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Geant4/externals/expat/src/xmltok.c

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Diff markup

Differences between /externals/expat/src/xmltok.c (Version 11.3.0) and /externals/expat/src/xmltok.c (Version 11.1.1)


  1 /*                                                  1 /*
  2                             __  __                  2                             __  __            _
  3                          ___\ \/ /_ __   __ _|      3                          ___\ \/ /_ __   __ _| |_
  4                         / _ \\  /| '_ \ / _` |      4                         / _ \\  /| '_ \ / _` | __|
  5                        |  __//  \| |_) | (_| |      5                        |  __//  \| |_) | (_| | |_
  6                         \___/_/\_\ .__/ \__,_|      6                         \___/_/\_\ .__/ \__,_|\__|
  7                                  |_| XML parse      7                                  |_| XML parser
  8                                                     8 
  9    Copyright (c) 1997-2000 Thai Open Source So      9    Copyright (c) 1997-2000 Thai Open Source Software Center Ltd
 10    Copyright (c) 2000      Clark Cooper <coope     10    Copyright (c) 2000      Clark Cooper <coopercc@users.sourceforge.net>
 11    Copyright (c) 2001-2003 Fred L. Drake, Jr.      11    Copyright (c) 2001-2003 Fred L. Drake, Jr. <fdrake@users.sourceforge.net>
 12    Copyright (c) 2002      Greg Stein <gstein@     12    Copyright (c) 2002      Greg Stein <gstein@users.sourceforge.net>
 13    Copyright (c) 2002-2016 Karl Waclawek <karl     13    Copyright (c) 2002-2016 Karl Waclawek <karl@waclawek.net>
 14    Copyright (c) 2005-2009 Steven Solie <steve     14    Copyright (c) 2005-2009 Steven Solie <steven@solie.ca>
 15    Copyright (c) 2016-2022 Sebastian Pipping <     15    Copyright (c) 2016-2022 Sebastian Pipping <sebastian@pipping.org>
 16    Copyright (c) 2016      Pascal Cuoq <cuoq@t     16    Copyright (c) 2016      Pascal Cuoq <cuoq@trust-in-soft.com>
 17    Copyright (c) 2016      Don Lewis <truckman     17    Copyright (c) 2016      Don Lewis <truckman@apache.org>
 18    Copyright (c) 2017      Rhodri James <rhodr     18    Copyright (c) 2017      Rhodri James <rhodri@wildebeest.org.uk>
 19    Copyright (c) 2017      Alexander Bluhm <al     19    Copyright (c) 2017      Alexander Bluhm <alexander.bluhm@gmx.net>
 20    Copyright (c) 2017      Benbuck Nason <bnas     20    Copyright (c) 2017      Benbuck Nason <bnason@netflix.com>
 21    Copyright (c) 2017      José Gutiérrez de     21    Copyright (c) 2017      José Gutiérrez de la Concha <jose@zeroc.com>
 22    Copyright (c) 2019      David Loffredo <lof     22    Copyright (c) 2019      David Loffredo <loffredo@steptools.com>
 23    Copyright (c) 2021      Dong-hee Na <donghe     23    Copyright (c) 2021      Dong-hee Na <donghee.na@python.org>
 24    Copyright (c) 2022      Martin Ettl <ettl.m     24    Copyright (c) 2022      Martin Ettl <ettl.martin78@googlemail.com>
 25    Licensed under the MIT license:                 25    Licensed under the MIT license:
 26                                                    26 
 27    Permission is  hereby granted,  free of cha     27    Permission is  hereby granted,  free of charge,  to any  person obtaining
 28    a  copy  of  this  software   and  associat     28    a  copy  of  this  software   and  associated  documentation  files  (the
 29    "Software"),  to  deal in  the  Software  w     29    "Software"),  to  deal in  the  Software  without restriction,  including
 30    without  limitation the  rights  to use,  c     30    without  limitation the  rights  to use,  copy,  modify, merge,  publish,
 31    distribute, sublicense, and/or sell copies      31    distribute, sublicense, and/or sell copies of the Software, and to permit
 32    persons  to whom  the Software  is  furnish     32    persons  to whom  the Software  is  furnished to  do so,  subject to  the
 33    following conditions:                           33    following conditions:
 34                                                    34 
 35    The above copyright  notice and this permis     35    The above copyright  notice and this permission notice  shall be included
 36    in all copies or substantial portions of th     36    in all copies or substantial portions of the Software.
 37                                                    37 
 38    THE  SOFTWARE  IS  PROVIDED  "AS  IS",  WIT     38    THE  SOFTWARE  IS  PROVIDED  "AS  IS",  WITHOUT  WARRANTY  OF  ANY  KIND,
 39    EXPRESS  OR IMPLIED,  INCLUDING  BUT  NOT L     39    EXPRESS  OR IMPLIED,  INCLUDING  BUT  NOT LIMITED  TO  THE WARRANTIES  OF
 40    MERCHANTABILITY, FITNESS FOR A PARTICULAR P     40    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
 41    NO EVENT SHALL THE AUTHORS OR  COPYRIGHT HO     41    NO EVENT SHALL THE AUTHORS OR  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
 42    DAMAGES OR  OTHER LIABILITY, WHETHER  IN AN     42    DAMAGES OR  OTHER LIABILITY, WHETHER  IN AN  ACTION OF CONTRACT,  TORT OR
 43    OTHERWISE, ARISING FROM, OUT OF OR IN CONNE     43    OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 44    USE OR OTHER DEALINGS IN THE SOFTWARE.          44    USE OR OTHER DEALINGS IN THE SOFTWARE.
 45 */                                                 45 */
 46                                                    46 
 47 #include <expat_config.h>                          47 #include <expat_config.h>
 48                                                    48 
 49 #include <stddef.h>                                49 #include <stddef.h>
 50 #include <string.h> /* memcpy */                   50 #include <string.h> /* memcpy */
 51 #include <stdbool.h>                               51 #include <stdbool.h>
 52                                                    52 
 53 #ifdef _WIN32                                      53 #ifdef _WIN32
 54 #  include "winconfig.h"                           54 #  include "winconfig.h"
 55 #endif                                             55 #endif
 56                                                    56 
 57 #include "expat_external.h"                        57 #include "expat_external.h"
 58 #include "internal.h"                              58 #include "internal.h"
 59 #include "xmltok.h"                                59 #include "xmltok.h"
 60 #include "nametab.h"                               60 #include "nametab.h"
 61                                                    61 
 62 #ifdef XML_DTD                                     62 #ifdef XML_DTD
 63 #  define IGNORE_SECTION_TOK_VTABLE , PREFIX(i     63 #  define IGNORE_SECTION_TOK_VTABLE , PREFIX(ignoreSectionTok)
 64 #else                                              64 #else
 65 #  define IGNORE_SECTION_TOK_VTABLE /* as noth     65 #  define IGNORE_SECTION_TOK_VTABLE /* as nothing */
 66 #endif                                             66 #endif
 67                                                    67 
 68 #define VTABLE1                                    68 #define VTABLE1                                                                \
 69   {PREFIX(prologTok), PREFIX(contentTok),          69   {PREFIX(prologTok), PREFIX(contentTok),                                      \
 70    PREFIX(cdataSectionTok) IGNORE_SECTION_TOK_     70    PREFIX(cdataSectionTok) IGNORE_SECTION_TOK_VTABLE},                         \
 71       {PREFIX(attributeValueTok), PREFIX(entit     71       {PREFIX(attributeValueTok), PREFIX(entityValueTok)},                     \
 72       PREFIX(nameMatchesAscii), PREFIX(nameLen     72       PREFIX(nameMatchesAscii), PREFIX(nameLength), PREFIX(skipS),             \
 73       PREFIX(getAtts), PREFIX(charRefNumber),      73       PREFIX(getAtts), PREFIX(charRefNumber), PREFIX(predefinedEntityName),    \
 74       PREFIX(updatePosition), PREFIX(isPublicI     74       PREFIX(updatePosition), PREFIX(isPublicId)
 75                                                    75 
 76 #define VTABLE VTABLE1, PREFIX(toUtf8), PREFIX     76 #define VTABLE VTABLE1, PREFIX(toUtf8), PREFIX(toUtf16)
 77                                                    77 
 78 #define UCS2_GET_NAMING(pages, hi, lo)             78 #define UCS2_GET_NAMING(pages, hi, lo)                                         \
 79   (namingBitmap[(pages[hi] << 3) + ((lo) >> 5)     79   (namingBitmap[(pages[hi] << 3) + ((lo) >> 5)] & (1u << ((lo)&0x1F)))
 80                                                    80 
 81 /* A 2 byte UTF-8 representation splits the ch     81 /* A 2 byte UTF-8 representation splits the characters 11 bits between
 82    the bottom 5 and 6 bits of the bytes.  We n     82    the bottom 5 and 6 bits of the bytes.  We need 8 bits to index into
 83    pages, 3 bits to add to that index and 5 bi     83    pages, 3 bits to add to that index and 5 bits to generate the mask.
 84 */                                                 84 */
 85 #define UTF8_GET_NAMING2(pages, byte)              85 #define UTF8_GET_NAMING2(pages, byte)                                          \
 86   (namingBitmap[((pages)[(((byte)[0]) >> 2) &      86   (namingBitmap[((pages)[(((byte)[0]) >> 2) & 7] << 3)                         \
 87                 + ((((byte)[0]) & 3) << 1) + (     87                 + ((((byte)[0]) & 3) << 1) + ((((byte)[1]) >> 5) & 1)]         \
 88    & (1u << (((byte)[1]) & 0x1F)))                 88    & (1u << (((byte)[1]) & 0x1F)))
 89                                                    89 
 90 /* A 3 byte UTF-8 representation splits the ch     90 /* A 3 byte UTF-8 representation splits the characters 16 bits between
 91    the bottom 4, 6 and 6 bits of the bytes.  W     91    the bottom 4, 6 and 6 bits of the bytes.  We need 8 bits to index
 92    into pages, 3 bits to add to that index and     92    into pages, 3 bits to add to that index and 5 bits to generate the
 93    mask.                                           93    mask.
 94 */                                                 94 */
 95 #define UTF8_GET_NAMING3(pages, byte)              95 #define UTF8_GET_NAMING3(pages, byte)                                          \
 96   (namingBitmap                                    96   (namingBitmap                                                                \
 97        [((pages)[((((byte)[0]) & 0xF) << 4) +      97        [((pages)[((((byte)[0]) & 0xF) << 4) + ((((byte)[1]) >> 2) & 0xF)]      \
 98          << 3)                                     98          << 3)                                                                 \
 99         + ((((byte)[1]) & 3) << 1) + ((((byte)     99         + ((((byte)[1]) & 3) << 1) + ((((byte)[2]) >> 5) & 1)]                 \
100    & (1u << (((byte)[2]) & 0x1F)))                100    & (1u << (((byte)[2]) & 0x1F)))
101                                                   101 
102 /* Detection of invalid UTF-8 sequences is bas    102 /* Detection of invalid UTF-8 sequences is based on Table 3.1B
103    of Unicode 3.2: http://www.unicode.org/unic    103    of Unicode 3.2: http://www.unicode.org/unicode/reports/tr28/
104    with the additional restriction of not allo    104    with the additional restriction of not allowing the Unicode
105    code points 0xFFFF and 0xFFFE (sequences EF    105    code points 0xFFFF and 0xFFFE (sequences EF,BF,BF and EF,BF,BE).
106    Implementation details:                        106    Implementation details:
107      (A & 0x80) == 0     means A < 0x80           107      (A & 0x80) == 0     means A < 0x80
108    and                                            108    and
109      (A & 0xC0) == 0xC0  means A > 0xBF           109      (A & 0xC0) == 0xC0  means A > 0xBF
110 */                                                110 */
111                                                   111 
112 #define UTF8_INVALID2(p)                          112 #define UTF8_INVALID2(p)                                                       \
113   ((*p) < 0xC2 || ((p)[1] & 0x80) == 0 || ((p)    113   ((*p) < 0xC2 || ((p)[1] & 0x80) == 0 || ((p)[1] & 0xC0) == 0xC0)
114                                                   114 
115 #define UTF8_INVALID3(p)                          115 #define UTF8_INVALID3(p)                                                       \
116   (((p)[2] & 0x80) == 0                           116   (((p)[2] & 0x80) == 0                                                        \
117    || ((*p) == 0xEF && (p)[1] == 0xBF ? (p)[2]    117    || ((*p) == 0xEF && (p)[1] == 0xBF ? (p)[2] > 0xBD                          \
118                                       : ((p)[2    118                                       : ((p)[2] & 0xC0) == 0xC0)               \
119    || ((*p) == 0xE0                               119    || ((*p) == 0xE0                                                            \
120            ? (p)[1] < 0xA0 || ((p)[1] & 0xC0)     120            ? (p)[1] < 0xA0 || ((p)[1] & 0xC0) == 0xC0                          \
121            : ((p)[1] & 0x80) == 0                 121            : ((p)[1] & 0x80) == 0                                              \
122                  || ((*p) == 0xED ? (p)[1] > 0    122                  || ((*p) == 0xED ? (p)[1] > 0x9F : ((p)[1] & 0xC0) == 0xC0)))
123                                                   123 
124 #define UTF8_INVALID4(p)                          124 #define UTF8_INVALID4(p)                                                       \
125   (((p)[3] & 0x80) == 0 || ((p)[3] & 0xC0) ==     125   (((p)[3] & 0x80) == 0 || ((p)[3] & 0xC0) == 0xC0 || ((p)[2] & 0x80) == 0     \
126    || ((p)[2] & 0xC0) == 0xC0                     126    || ((p)[2] & 0xC0) == 0xC0                                                  \
127    || ((*p) == 0xF0                               127    || ((*p) == 0xF0                                                            \
128            ? (p)[1] < 0x90 || ((p)[1] & 0xC0)     128            ? (p)[1] < 0x90 || ((p)[1] & 0xC0) == 0xC0                          \
129            : ((p)[1] & 0x80) == 0                 129            : ((p)[1] & 0x80) == 0                                              \
130                  || ((*p) == 0xF4 ? (p)[1] > 0    130                  || ((*p) == 0xF4 ? (p)[1] > 0x8F : ((p)[1] & 0xC0) == 0xC0)))
131                                                   131 
132 static int PTRFASTCALL                            132 static int PTRFASTCALL
133 isNever(const ENCODING *enc, const char *p) {     133 isNever(const ENCODING *enc, const char *p) {
134   UNUSED_P(enc);                                  134   UNUSED_P(enc);
135   UNUSED_P(p);                                    135   UNUSED_P(p);
136   return 0;                                       136   return 0;
137 }                                                 137 }
138                                                   138 
139 static int PTRFASTCALL                            139 static int PTRFASTCALL
140 utf8_isName2(const ENCODING *enc, const char *    140 utf8_isName2(const ENCODING *enc, const char *p) {
141   UNUSED_P(enc);                                  141   UNUSED_P(enc);
142   return UTF8_GET_NAMING2(namePages, (const un    142   return UTF8_GET_NAMING2(namePages, (const unsigned char *)p);
143 }                                                 143 }
144                                                   144 
145 static int PTRFASTCALL                            145 static int PTRFASTCALL
146 utf8_isName3(const ENCODING *enc, const char *    146 utf8_isName3(const ENCODING *enc, const char *p) {
147   UNUSED_P(enc);                                  147   UNUSED_P(enc);
148   return UTF8_GET_NAMING3(namePages, (const un    148   return UTF8_GET_NAMING3(namePages, (const unsigned char *)p);
149 }                                                 149 }
150                                                   150 
151 #define utf8_isName4 isNever                      151 #define utf8_isName4 isNever
152                                                   152 
153 static int PTRFASTCALL                            153 static int PTRFASTCALL
154 utf8_isNmstrt2(const ENCODING *enc, const char    154 utf8_isNmstrt2(const ENCODING *enc, const char *p) {
155   UNUSED_P(enc);                                  155   UNUSED_P(enc);
156   return UTF8_GET_NAMING2(nmstrtPages, (const     156   return UTF8_GET_NAMING2(nmstrtPages, (const unsigned char *)p);
157 }                                                 157 }
158                                                   158 
159 static int PTRFASTCALL                            159 static int PTRFASTCALL
160 utf8_isNmstrt3(const ENCODING *enc, const char    160 utf8_isNmstrt3(const ENCODING *enc, const char *p) {
161   UNUSED_P(enc);                                  161   UNUSED_P(enc);
162   return UTF8_GET_NAMING3(nmstrtPages, (const     162   return UTF8_GET_NAMING3(nmstrtPages, (const unsigned char *)p);
163 }                                                 163 }
164                                                   164 
165 #define utf8_isNmstrt4 isNever                    165 #define utf8_isNmstrt4 isNever
166                                                   166 
167 static int PTRFASTCALL                            167 static int PTRFASTCALL
168 utf8_isInvalid2(const ENCODING *enc, const cha    168 utf8_isInvalid2(const ENCODING *enc, const char *p) {
169   UNUSED_P(enc);                                  169   UNUSED_P(enc);
170   return UTF8_INVALID2((const unsigned char *)    170   return UTF8_INVALID2((const unsigned char *)p);
171 }                                                 171 }
172                                                   172 
173 static int PTRFASTCALL                            173 static int PTRFASTCALL
174 utf8_isInvalid3(const ENCODING *enc, const cha    174 utf8_isInvalid3(const ENCODING *enc, const char *p) {
175   UNUSED_P(enc);                                  175   UNUSED_P(enc);
176   return UTF8_INVALID3((const unsigned char *)    176   return UTF8_INVALID3((const unsigned char *)p);
177 }                                                 177 }
178                                                   178 
179 static int PTRFASTCALL                            179 static int PTRFASTCALL
180 utf8_isInvalid4(const ENCODING *enc, const cha    180 utf8_isInvalid4(const ENCODING *enc, const char *p) {
181   UNUSED_P(enc);                                  181   UNUSED_P(enc);
182   return UTF8_INVALID4((const unsigned char *)    182   return UTF8_INVALID4((const unsigned char *)p);
183 }                                                 183 }
184                                                   184 
185 struct normal_encoding {                          185 struct normal_encoding {
186   ENCODING enc;                                   186   ENCODING enc;
187   unsigned char type[256];                        187   unsigned char type[256];
188 #ifdef XML_MIN_SIZE                               188 #ifdef XML_MIN_SIZE
189   int(PTRFASTCALL *byteType)(const ENCODING *,    189   int(PTRFASTCALL *byteType)(const ENCODING *, const char *);
190   int(PTRFASTCALL *isNameMin)(const ENCODING *    190   int(PTRFASTCALL *isNameMin)(const ENCODING *, const char *);
191   int(PTRFASTCALL *isNmstrtMin)(const ENCODING    191   int(PTRFASTCALL *isNmstrtMin)(const ENCODING *, const char *);
192   int(PTRFASTCALL *byteToAscii)(const ENCODING    192   int(PTRFASTCALL *byteToAscii)(const ENCODING *, const char *);
193   int(PTRCALL *charMatches)(const ENCODING *,     193   int(PTRCALL *charMatches)(const ENCODING *, const char *, int);
194 #endif /* XML_MIN_SIZE */                         194 #endif /* XML_MIN_SIZE */
195   int(PTRFASTCALL *isName2)(const ENCODING *,     195   int(PTRFASTCALL *isName2)(const ENCODING *, const char *);
196   int(PTRFASTCALL *isName3)(const ENCODING *,     196   int(PTRFASTCALL *isName3)(const ENCODING *, const char *);
197   int(PTRFASTCALL *isName4)(const ENCODING *,     197   int(PTRFASTCALL *isName4)(const ENCODING *, const char *);
198   int(PTRFASTCALL *isNmstrt2)(const ENCODING *    198   int(PTRFASTCALL *isNmstrt2)(const ENCODING *, const char *);
199   int(PTRFASTCALL *isNmstrt3)(const ENCODING *    199   int(PTRFASTCALL *isNmstrt3)(const ENCODING *, const char *);
200   int(PTRFASTCALL *isNmstrt4)(const ENCODING *    200   int(PTRFASTCALL *isNmstrt4)(const ENCODING *, const char *);
201   int(PTRFASTCALL *isInvalid2)(const ENCODING     201   int(PTRFASTCALL *isInvalid2)(const ENCODING *, const char *);
202   int(PTRFASTCALL *isInvalid3)(const ENCODING     202   int(PTRFASTCALL *isInvalid3)(const ENCODING *, const char *);
203   int(PTRFASTCALL *isInvalid4)(const ENCODING     203   int(PTRFASTCALL *isInvalid4)(const ENCODING *, const char *);
204 };                                                204 };
205                                                   205 
206 #define AS_NORMAL_ENCODING(enc) ((const struct    206 #define AS_NORMAL_ENCODING(enc) ((const struct normal_encoding *)(enc))
207                                                   207 
208 #ifdef XML_MIN_SIZE                               208 #ifdef XML_MIN_SIZE
209                                                   209 
210 #  define STANDARD_VTABLE(E)                      210 #  define STANDARD_VTABLE(E)                                                   \
211     E##byteType, E##isNameMin, E##isNmstrtMin,    211     E##byteType, E##isNameMin, E##isNmstrtMin, E##byteToAscii, E##charMatches,
212                                                   212 
213 #else                                             213 #else
214                                                   214 
215 #  define STANDARD_VTABLE(E) /* as nothing */     215 #  define STANDARD_VTABLE(E) /* as nothing */
216                                                   216 
217 #endif                                            217 #endif
218                                                   218 
219 #define NORMAL_VTABLE(E)                          219 #define NORMAL_VTABLE(E)                                                       \
220   E##isName2, E##isName3, E##isName4, E##isNms    220   E##isName2, E##isName3, E##isName4, E##isNmstrt2, E##isNmstrt3,              \
221       E##isNmstrt4, E##isInvalid2, E##isInvali    221       E##isNmstrt4, E##isInvalid2, E##isInvalid3, E##isInvalid4
222                                                   222 
223 #define NULL_VTABLE                               223 #define NULL_VTABLE                                                            \
224   /* isName2 */ NULL, /* isName3 */ NULL, /* i    224   /* isName2 */ NULL, /* isName3 */ NULL, /* isName4 */ NULL,                  \
225       /* isNmstrt2 */ NULL, /* isNmstrt3 */ NU    225       /* isNmstrt2 */ NULL, /* isNmstrt3 */ NULL, /* isNmstrt4 */ NULL,        \
226       /* isInvalid2 */ NULL, /* isInvalid3 */     226       /* isInvalid2 */ NULL, /* isInvalid3 */ NULL, /* isInvalid4 */ NULL
227                                                   227 
228 static int FASTCALL checkCharRefNumber(int);      228 static int FASTCALL checkCharRefNumber(int);
229                                                   229 
230 #include "xmltok_impl.h"                          230 #include "xmltok_impl.h"
231 #include "ascii.h"                                231 #include "ascii.h"
232                                                   232 
233 #ifdef XML_MIN_SIZE                               233 #ifdef XML_MIN_SIZE
234 #  define sb_isNameMin isNever                    234 #  define sb_isNameMin isNever
235 #  define sb_isNmstrtMin isNever                  235 #  define sb_isNmstrtMin isNever
236 #endif                                            236 #endif
237                                                   237 
238 #ifdef XML_MIN_SIZE                               238 #ifdef XML_MIN_SIZE
239 #  define MINBPC(enc) ((enc)->minBytesPerChar)    239 #  define MINBPC(enc) ((enc)->minBytesPerChar)
240 #else                                             240 #else
241 /* minimum bytes per character */                 241 /* minimum bytes per character */
242 #  define MINBPC(enc) 1                           242 #  define MINBPC(enc) 1
243 #endif                                            243 #endif
244                                                   244 
245 #define SB_BYTE_TYPE(enc, p)                      245 #define SB_BYTE_TYPE(enc, p)                                                   \
246   (((struct normal_encoding *)(enc))->type[(un    246   (((struct normal_encoding *)(enc))->type[(unsigned char)*(p)])
247                                                   247 
248 #ifdef XML_MIN_SIZE                               248 #ifdef XML_MIN_SIZE
249 static int PTRFASTCALL                            249 static int PTRFASTCALL
250 sb_byteType(const ENCODING *enc, const char *p    250 sb_byteType(const ENCODING *enc, const char *p) {
251   return SB_BYTE_TYPE(enc, p);                    251   return SB_BYTE_TYPE(enc, p);
252 }                                                 252 }
253 #  define BYTE_TYPE(enc, p) (AS_NORMAL_ENCODIN    253 #  define BYTE_TYPE(enc, p) (AS_NORMAL_ENCODING(enc)->byteType(enc, p))
254 #else                                             254 #else
255 #  define BYTE_TYPE(enc, p) SB_BYTE_TYPE(enc,     255 #  define BYTE_TYPE(enc, p) SB_BYTE_TYPE(enc, p)
256 #endif                                            256 #endif
257                                                   257 
258 #ifdef XML_MIN_SIZE                               258 #ifdef XML_MIN_SIZE
259 #  define BYTE_TO_ASCII(enc, p) (AS_NORMAL_ENC    259 #  define BYTE_TO_ASCII(enc, p) (AS_NORMAL_ENCODING(enc)->byteToAscii(enc, p))
260 static int PTRFASTCALL                            260 static int PTRFASTCALL
261 sb_byteToAscii(const ENCODING *enc, const char    261 sb_byteToAscii(const ENCODING *enc, const char *p) {
262   UNUSED_P(enc);                                  262   UNUSED_P(enc);
263   return *p;                                      263   return *p;
264 }                                                 264 }
265 #else                                             265 #else
266 #  define BYTE_TO_ASCII(enc, p) (*(p))            266 #  define BYTE_TO_ASCII(enc, p) (*(p))
267 #endif                                            267 #endif
268                                                   268 
269 #define IS_NAME_CHAR(enc, p, n) (AS_NORMAL_ENC    269 #define IS_NAME_CHAR(enc, p, n) (AS_NORMAL_ENCODING(enc)->isName##n(enc, p))
270 #define IS_NMSTRT_CHAR(enc, p, n) (AS_NORMAL_E    270 #define IS_NMSTRT_CHAR(enc, p, n) (AS_NORMAL_ENCODING(enc)->isNmstrt##n(enc, p))
271 #ifdef XML_MIN_SIZE                               271 #ifdef XML_MIN_SIZE
272 #  define IS_INVALID_CHAR(enc, p, n)              272 #  define IS_INVALID_CHAR(enc, p, n)                                           \
273     (AS_NORMAL_ENCODING(enc)->isInvalid##n        273     (AS_NORMAL_ENCODING(enc)->isInvalid##n                                     \
274      && AS_NORMAL_ENCODING(enc)->isInvalid##n(    274      && AS_NORMAL_ENCODING(enc)->isInvalid##n(enc, p))
275 #else                                             275 #else
276 #  define IS_INVALID_CHAR(enc, p, n)              276 #  define IS_INVALID_CHAR(enc, p, n)                                           \
277     (AS_NORMAL_ENCODING(enc)->isInvalid##n(enc    277     (AS_NORMAL_ENCODING(enc)->isInvalid##n(enc, p))
278 #endif                                            278 #endif
279                                                   279 
280 #ifdef XML_MIN_SIZE                               280 #ifdef XML_MIN_SIZE
281 #  define IS_NAME_CHAR_MINBPC(enc, p)             281 #  define IS_NAME_CHAR_MINBPC(enc, p)                                          \
282     (AS_NORMAL_ENCODING(enc)->isNameMin(enc, p    282     (AS_NORMAL_ENCODING(enc)->isNameMin(enc, p))
283 #  define IS_NMSTRT_CHAR_MINBPC(enc, p)           283 #  define IS_NMSTRT_CHAR_MINBPC(enc, p)                                        \
284     (AS_NORMAL_ENCODING(enc)->isNmstrtMin(enc,    284     (AS_NORMAL_ENCODING(enc)->isNmstrtMin(enc, p))
285 #else                                             285 #else
286 #  define IS_NAME_CHAR_MINBPC(enc, p) (0)         286 #  define IS_NAME_CHAR_MINBPC(enc, p) (0)
287 #  define IS_NMSTRT_CHAR_MINBPC(enc, p) (0)       287 #  define IS_NMSTRT_CHAR_MINBPC(enc, p) (0)
288 #endif                                            288 #endif
289                                                   289 
290 #ifdef XML_MIN_SIZE                               290 #ifdef XML_MIN_SIZE
291 #  define CHAR_MATCHES(enc, p, c)                 291 #  define CHAR_MATCHES(enc, p, c)                                              \
292     (AS_NORMAL_ENCODING(enc)->charMatches(enc,    292     (AS_NORMAL_ENCODING(enc)->charMatches(enc, p, c))
293 static int PTRCALL                                293 static int PTRCALL
294 sb_charMatches(const ENCODING *enc, const char    294 sb_charMatches(const ENCODING *enc, const char *p, int c) {
295   UNUSED_P(enc);                                  295   UNUSED_P(enc);
296   return *p == c;                                 296   return *p == c;
297 }                                                 297 }
298 #else                                             298 #else
299 /* c is an ASCII character */                     299 /* c is an ASCII character */
300 #  define CHAR_MATCHES(enc, p, c) (*(p) == (c)    300 #  define CHAR_MATCHES(enc, p, c) (*(p) == (c))
301 #endif                                            301 #endif
302                                                   302 
303 #define PREFIX(ident) normal_##ident              303 #define PREFIX(ident) normal_##ident
304 #define XML_TOK_IMPL_C                            304 #define XML_TOK_IMPL_C
305 #include "xmltok_impl.c"                          305 #include "xmltok_impl.c"
306 #undef XML_TOK_IMPL_C                             306 #undef XML_TOK_IMPL_C
307                                                   307 
308 #undef MINBPC                                     308 #undef MINBPC
309 #undef BYTE_TYPE                                  309 #undef BYTE_TYPE
310 #undef BYTE_TO_ASCII                              310 #undef BYTE_TO_ASCII
311 #undef CHAR_MATCHES                               311 #undef CHAR_MATCHES
312 #undef IS_NAME_CHAR                               312 #undef IS_NAME_CHAR
313 #undef IS_NAME_CHAR_MINBPC                        313 #undef IS_NAME_CHAR_MINBPC
314 #undef IS_NMSTRT_CHAR                             314 #undef IS_NMSTRT_CHAR
315 #undef IS_NMSTRT_CHAR_MINBPC                      315 #undef IS_NMSTRT_CHAR_MINBPC
316 #undef IS_INVALID_CHAR                            316 #undef IS_INVALID_CHAR
317                                                   317 
318 enum { /* UTF8_cvalN is value of masked first     318 enum { /* UTF8_cvalN is value of masked first byte of N byte sequence */
319        UTF8_cval1 = 0x00,                         319        UTF8_cval1 = 0x00,
320        UTF8_cval2 = 0xc0,                         320        UTF8_cval2 = 0xc0,
321        UTF8_cval3 = 0xe0,                         321        UTF8_cval3 = 0xe0,
322        UTF8_cval4 = 0xf0                          322        UTF8_cval4 = 0xf0
323 };                                                323 };
324                                                   324 
325 void                                              325 void
326 _INTERNAL_trim_to_complete_utf8_characters(con    326 _INTERNAL_trim_to_complete_utf8_characters(const char *from,
327                                            con    327                                            const char **fromLimRef) {
328   const char *fromLim = *fromLimRef;              328   const char *fromLim = *fromLimRef;
329   size_t walked = 0;                              329   size_t walked = 0;
330   for (; fromLim > from; fromLim--, walked++)     330   for (; fromLim > from; fromLim--, walked++) {
331     const unsigned char prev = (unsigned char)    331     const unsigned char prev = (unsigned char)fromLim[-1];
332     if ((prev & 0xf8u)                            332     if ((prev & 0xf8u)
333         == 0xf0u) { /* 4-byte character, lead     333         == 0xf0u) { /* 4-byte character, lead by 0b11110xxx byte */
334       if (walked + 1 >= 4) {                      334       if (walked + 1 >= 4) {
335         fromLim += 4 - 1;                         335         fromLim += 4 - 1;
336         break;                                    336         break;
337       } else {                                    337       } else {
338         walked = 0;                               338         walked = 0;
339       }                                           339       }
340     } else if ((prev & 0xf0u)                     340     } else if ((prev & 0xf0u)
341                == 0xe0u) { /* 3-byte character    341                == 0xe0u) { /* 3-byte character, lead by 0b1110xxxx byte */
342       if (walked + 1 >= 3) {                      342       if (walked + 1 >= 3) {
343         fromLim += 3 - 1;                         343         fromLim += 3 - 1;
344         break;                                    344         break;
345       } else {                                    345       } else {
346         walked = 0;                               346         walked = 0;
347       }                                           347       }
348     } else if ((prev & 0xe0u)                     348     } else if ((prev & 0xe0u)
349                == 0xc0u) { /* 2-byte character    349                == 0xc0u) { /* 2-byte character, lead by 0b110xxxxx byte */
350       if (walked + 1 >= 2) {                      350       if (walked + 1 >= 2) {
351         fromLim += 2 - 1;                         351         fromLim += 2 - 1;
352         break;                                    352         break;
353       } else {                                    353       } else {
354         walked = 0;                               354         walked = 0;
355       }                                           355       }
356     } else if ((prev & 0x80u)                     356     } else if ((prev & 0x80u)
357                == 0x00u) { /* 1-byte character    357                == 0x00u) { /* 1-byte character, matching 0b0xxxxxxx */
358       break;                                      358       break;
359     }                                             359     }
360   }                                               360   }
361   *fromLimRef = fromLim;                          361   *fromLimRef = fromLim;
362 }                                                 362 }
363                                                   363 
364 static enum XML_Convert_Result PTRCALL            364 static enum XML_Convert_Result PTRCALL
365 utf8_toUtf8(const ENCODING *enc, const char **    365 utf8_toUtf8(const ENCODING *enc, const char **fromP, const char *fromLim,
366             char **toP, const char *toLim) {      366             char **toP, const char *toLim) {
367   bool input_incomplete = false;                  367   bool input_incomplete = false;
368   bool output_exhausted = false;                  368   bool output_exhausted = false;
369                                                   369 
370   /* Avoid copying partial characters (due to     370   /* Avoid copying partial characters (due to limited space). */
371   const ptrdiff_t bytesAvailable = fromLim - *    371   const ptrdiff_t bytesAvailable = fromLim - *fromP;
372   const ptrdiff_t bytesStorable = toLim - *toP    372   const ptrdiff_t bytesStorable = toLim - *toP;
373   UNUSED_P(enc);                                  373   UNUSED_P(enc);
374   if (bytesAvailable > bytesStorable) {           374   if (bytesAvailable > bytesStorable) {
375     fromLim = *fromP + bytesStorable;             375     fromLim = *fromP + bytesStorable;
376     output_exhausted = true;                      376     output_exhausted = true;
377   }                                               377   }
378                                                   378 
379   /* Avoid copying partial characters (from in    379   /* Avoid copying partial characters (from incomplete input). */
380   {                                               380   {
381     const char *const fromLimBefore = fromLim;    381     const char *const fromLimBefore = fromLim;
382     _INTERNAL_trim_to_complete_utf8_characters    382     _INTERNAL_trim_to_complete_utf8_characters(*fromP, &fromLim);
383     if (fromLim < fromLimBefore) {                383     if (fromLim < fromLimBefore) {
384       input_incomplete = true;                    384       input_incomplete = true;
385     }                                             385     }
386   }                                               386   }
387                                                   387 
388   {                                               388   {
389     const ptrdiff_t bytesToCopy = fromLim - *f    389     const ptrdiff_t bytesToCopy = fromLim - *fromP;
390     memcpy(*toP, *fromP, bytesToCopy);            390     memcpy(*toP, *fromP, bytesToCopy);
391     *fromP += bytesToCopy;                        391     *fromP += bytesToCopy;
392     *toP += bytesToCopy;                          392     *toP += bytesToCopy;
393   }                                               393   }
394                                                   394 
395   if (output_exhausted) /* needs to go first *    395   if (output_exhausted) /* needs to go first */
396     return XML_CONVERT_OUTPUT_EXHAUSTED;          396     return XML_CONVERT_OUTPUT_EXHAUSTED;
397   else if (input_incomplete)                      397   else if (input_incomplete)
398     return XML_CONVERT_INPUT_INCOMPLETE;          398     return XML_CONVERT_INPUT_INCOMPLETE;
399   else                                            399   else
400     return XML_CONVERT_COMPLETED;                 400     return XML_CONVERT_COMPLETED;
401 }                                                 401 }
402                                                   402 
403 static enum XML_Convert_Result PTRCALL            403 static enum XML_Convert_Result PTRCALL
404 utf8_toUtf16(const ENCODING *enc, const char *    404 utf8_toUtf16(const ENCODING *enc, const char **fromP, const char *fromLim,
405              unsigned short **toP, const unsig    405              unsigned short **toP, const unsigned short *toLim) {
406   enum XML_Convert_Result res = XML_CONVERT_CO    406   enum XML_Convert_Result res = XML_CONVERT_COMPLETED;
407   unsigned short *to = *toP;                      407   unsigned short *to = *toP;
408   const char *from = *fromP;                      408   const char *from = *fromP;
409   while (from < fromLim && to < toLim) {          409   while (from < fromLim && to < toLim) {
410     switch (((struct normal_encoding *)enc)->t    410     switch (((struct normal_encoding *)enc)->type[(unsigned char)*from]) {
411     case BT_LEAD2:                                411     case BT_LEAD2:
412       if (fromLim - from < 2) {                   412       if (fromLim - from < 2) {
413         res = XML_CONVERT_INPUT_INCOMPLETE;       413         res = XML_CONVERT_INPUT_INCOMPLETE;
414         goto after;                               414         goto after;
415       }                                           415       }
416       *to++ = (unsigned short)(((from[0] & 0x1    416       *to++ = (unsigned short)(((from[0] & 0x1f) << 6) | (from[1] & 0x3f));
417       from += 2;                                  417       from += 2;
418       break;                                      418       break;
419     case BT_LEAD3:                                419     case BT_LEAD3:
420       if (fromLim - from < 3) {                   420       if (fromLim - from < 3) {
421         res = XML_CONVERT_INPUT_INCOMPLETE;       421         res = XML_CONVERT_INPUT_INCOMPLETE;
422         goto after;                               422         goto after;
423       }                                           423       }
424       *to++ = (unsigned short)(((from[0] & 0xf    424       *to++ = (unsigned short)(((from[0] & 0xf) << 12) | ((from[1] & 0x3f) << 6)
425                                | (from[2] & 0x    425                                | (from[2] & 0x3f));
426       from += 3;                                  426       from += 3;
427       break;                                      427       break;
428     case BT_LEAD4: {                              428     case BT_LEAD4: {
429       unsigned long n;                            429       unsigned long n;
430       if (toLim - to < 2) {                       430       if (toLim - to < 2) {
431         res = XML_CONVERT_OUTPUT_EXHAUSTED;       431         res = XML_CONVERT_OUTPUT_EXHAUSTED;
432         goto after;                               432         goto after;
433       }                                           433       }
434       if (fromLim - from < 4) {                   434       if (fromLim - from < 4) {
435         res = XML_CONVERT_INPUT_INCOMPLETE;       435         res = XML_CONVERT_INPUT_INCOMPLETE;
436         goto after;                               436         goto after;
437       }                                           437       }
438       n = ((from[0] & 0x7) << 18) | ((from[1]     438       n = ((from[0] & 0x7) << 18) | ((from[1] & 0x3f) << 12)
439           | ((from[2] & 0x3f) << 6) | (from[3]    439           | ((from[2] & 0x3f) << 6) | (from[3] & 0x3f);
440       n -= 0x10000;                               440       n -= 0x10000;
441       to[0] = (unsigned short)((n >> 10) | 0xD    441       to[0] = (unsigned short)((n >> 10) | 0xD800);
442       to[1] = (unsigned short)((n & 0x3FF) | 0    442       to[1] = (unsigned short)((n & 0x3FF) | 0xDC00);
443       to += 2;                                    443       to += 2;
444       from += 4;                                  444       from += 4;
445     } break;                                      445     } break;
446     default:                                      446     default:
447       *to++ = *from++;                            447       *to++ = *from++;
448       break;                                      448       break;
449     }                                             449     }
450   }                                               450   }
451   if (from < fromLim)                             451   if (from < fromLim)
452     res = XML_CONVERT_OUTPUT_EXHAUSTED;           452     res = XML_CONVERT_OUTPUT_EXHAUSTED;
453 after:                                            453 after:
454   *fromP = from;                                  454   *fromP = from;
455   *toP = to;                                      455   *toP = to;
456   return res;                                     456   return res;
457 }                                                 457 }
458                                                   458 
459 #ifdef XML_NS                                     459 #ifdef XML_NS
460 static const struct normal_encoding utf8_encod    460 static const struct normal_encoding utf8_encoding_ns
461     = {{VTABLE1, utf8_toUtf8, utf8_toUtf16, 1,    461     = {{VTABLE1, utf8_toUtf8, utf8_toUtf16, 1, 1, 0},
462        {                                          462        {
463 #  include "asciitab.h"                           463 #  include "asciitab.h"
464 #  include "utf8tab.h"                            464 #  include "utf8tab.h"
465        },                                         465        },
466        STANDARD_VTABLE(sb_) NORMAL_VTABLE(utf8    466        STANDARD_VTABLE(sb_) NORMAL_VTABLE(utf8_)};
467 #endif                                            467 #endif
468                                                   468 
469 static const struct normal_encoding utf8_encod    469 static const struct normal_encoding utf8_encoding
470     = {{VTABLE1, utf8_toUtf8, utf8_toUtf16, 1,    470     = {{VTABLE1, utf8_toUtf8, utf8_toUtf16, 1, 1, 0},
471        {                                          471        {
472 #define BT_COLON BT_NMSTRT                        472 #define BT_COLON BT_NMSTRT
473 #include "asciitab.h"                             473 #include "asciitab.h"
474 #undef BT_COLON                                   474 #undef BT_COLON
475 #include "utf8tab.h"                              475 #include "utf8tab.h"
476        },                                         476        },
477        STANDARD_VTABLE(sb_) NORMAL_VTABLE(utf8    477        STANDARD_VTABLE(sb_) NORMAL_VTABLE(utf8_)};
478                                                   478 
479 #ifdef XML_NS                                     479 #ifdef XML_NS
480                                                   480 
481 static const struct normal_encoding internal_u    481 static const struct normal_encoding internal_utf8_encoding_ns
482     = {{VTABLE1, utf8_toUtf8, utf8_toUtf16, 1,    482     = {{VTABLE1, utf8_toUtf8, utf8_toUtf16, 1, 1, 0},
483        {                                          483        {
484 #  include "iasciitab.h"                          484 #  include "iasciitab.h"
485 #  include "utf8tab.h"                            485 #  include "utf8tab.h"
486        },                                         486        },
487        STANDARD_VTABLE(sb_) NORMAL_VTABLE(utf8    487        STANDARD_VTABLE(sb_) NORMAL_VTABLE(utf8_)};
488                                                   488 
489 #endif                                            489 #endif
490                                                   490 
491 static const struct normal_encoding internal_u    491 static const struct normal_encoding internal_utf8_encoding
492     = {{VTABLE1, utf8_toUtf8, utf8_toUtf16, 1,    492     = {{VTABLE1, utf8_toUtf8, utf8_toUtf16, 1, 1, 0},
493        {                                          493        {
494 #define BT_COLON BT_NMSTRT                        494 #define BT_COLON BT_NMSTRT
495 #include "iasciitab.h"                            495 #include "iasciitab.h"
496 #undef BT_COLON                                   496 #undef BT_COLON
497 #include "utf8tab.h"                              497 #include "utf8tab.h"
498        },                                         498        },
499        STANDARD_VTABLE(sb_) NORMAL_VTABLE(utf8    499        STANDARD_VTABLE(sb_) NORMAL_VTABLE(utf8_)};
500                                                   500 
501 static enum XML_Convert_Result PTRCALL            501 static enum XML_Convert_Result PTRCALL
502 latin1_toUtf8(const ENCODING *enc, const char     502 latin1_toUtf8(const ENCODING *enc, const char **fromP, const char *fromLim,
503               char **toP, const char *toLim) {    503               char **toP, const char *toLim) {
504   UNUSED_P(enc);                                  504   UNUSED_P(enc);
505   for (;;) {                                      505   for (;;) {
506     unsigned char c;                              506     unsigned char c;
507     if (*fromP == fromLim)                        507     if (*fromP == fromLim)
508       return XML_CONVERT_COMPLETED;               508       return XML_CONVERT_COMPLETED;
509     c = (unsigned char)**fromP;                   509     c = (unsigned char)**fromP;
510     if (c & 0x80) {                               510     if (c & 0x80) {
511       if (toLim - *toP < 2)                       511       if (toLim - *toP < 2)
512         return XML_CONVERT_OUTPUT_EXHAUSTED;      512         return XML_CONVERT_OUTPUT_EXHAUSTED;
513       *(*toP)++ = (char)((c >> 6) | UTF8_cval2    513       *(*toP)++ = (char)((c >> 6) | UTF8_cval2);
514       *(*toP)++ = (char)((c & 0x3f) | 0x80);      514       *(*toP)++ = (char)((c & 0x3f) | 0x80);
515       (*fromP)++;                                 515       (*fromP)++;
516     } else {                                      516     } else {
517       if (*toP == toLim)                          517       if (*toP == toLim)
518         return XML_CONVERT_OUTPUT_EXHAUSTED;      518         return XML_CONVERT_OUTPUT_EXHAUSTED;
519       *(*toP)++ = *(*fromP)++;                    519       *(*toP)++ = *(*fromP)++;
520     }                                             520     }
521   }                                               521   }
522 }                                                 522 }
523                                                   523 
524 static enum XML_Convert_Result PTRCALL            524 static enum XML_Convert_Result PTRCALL
525 latin1_toUtf16(const ENCODING *enc, const char    525 latin1_toUtf16(const ENCODING *enc, const char **fromP, const char *fromLim,
526                unsigned short **toP, const uns    526                unsigned short **toP, const unsigned short *toLim) {
527   UNUSED_P(enc);                                  527   UNUSED_P(enc);
528   while (*fromP < fromLim && *toP < toLim)        528   while (*fromP < fromLim && *toP < toLim)
529     *(*toP)++ = (unsigned char)*(*fromP)++;       529     *(*toP)++ = (unsigned char)*(*fromP)++;
530                                                   530 
531   if ((*toP == toLim) && (*fromP < fromLim))      531   if ((*toP == toLim) && (*fromP < fromLim))
532     return XML_CONVERT_OUTPUT_EXHAUSTED;          532     return XML_CONVERT_OUTPUT_EXHAUSTED;
533   else                                            533   else
534     return XML_CONVERT_COMPLETED;                 534     return XML_CONVERT_COMPLETED;
535 }                                                 535 }
536                                                   536 
537 #ifdef XML_NS                                     537 #ifdef XML_NS
538                                                   538 
539 static const struct normal_encoding latin1_enc    539 static const struct normal_encoding latin1_encoding_ns
540     = {{VTABLE1, latin1_toUtf8, latin1_toUtf16    540     = {{VTABLE1, latin1_toUtf8, latin1_toUtf16, 1, 0, 0},
541        {                                          541        {
542 #  include "asciitab.h"                           542 #  include "asciitab.h"
543 #  include "latin1tab.h"                          543 #  include "latin1tab.h"
544        },                                         544        },
545        STANDARD_VTABLE(sb_) NULL_VTABLE};         545        STANDARD_VTABLE(sb_) NULL_VTABLE};
546                                                   546 
547 #endif                                            547 #endif
548                                                   548 
549 static const struct normal_encoding latin1_enc    549 static const struct normal_encoding latin1_encoding
550     = {{VTABLE1, latin1_toUtf8, latin1_toUtf16    550     = {{VTABLE1, latin1_toUtf8, latin1_toUtf16, 1, 0, 0},
551        {                                          551        {
552 #define BT_COLON BT_NMSTRT                        552 #define BT_COLON BT_NMSTRT
553 #include "asciitab.h"                             553 #include "asciitab.h"
554 #undef BT_COLON                                   554 #undef BT_COLON
555 #include "latin1tab.h"                            555 #include "latin1tab.h"
556        },                                         556        },
557        STANDARD_VTABLE(sb_) NULL_VTABLE};         557        STANDARD_VTABLE(sb_) NULL_VTABLE};
558                                                   558 
559 static enum XML_Convert_Result PTRCALL            559 static enum XML_Convert_Result PTRCALL
560 ascii_toUtf8(const ENCODING *enc, const char *    560 ascii_toUtf8(const ENCODING *enc, const char **fromP, const char *fromLim,
561              char **toP, const char *toLim) {     561              char **toP, const char *toLim) {
562   UNUSED_P(enc);                                  562   UNUSED_P(enc);
563   while (*fromP < fromLim && *toP < toLim)        563   while (*fromP < fromLim && *toP < toLim)
564     *(*toP)++ = *(*fromP)++;                      564     *(*toP)++ = *(*fromP)++;
565                                                   565 
566   if ((*toP == toLim) && (*fromP < fromLim))      566   if ((*toP == toLim) && (*fromP < fromLim))
567     return XML_CONVERT_OUTPUT_EXHAUSTED;          567     return XML_CONVERT_OUTPUT_EXHAUSTED;
568   else                                            568   else
569     return XML_CONVERT_COMPLETED;                 569     return XML_CONVERT_COMPLETED;
570 }                                                 570 }
571                                                   571 
572 #ifdef XML_NS                                     572 #ifdef XML_NS
573                                                   573 
574 static const struct normal_encoding ascii_enco    574 static const struct normal_encoding ascii_encoding_ns
575     = {{VTABLE1, ascii_toUtf8, latin1_toUtf16,    575     = {{VTABLE1, ascii_toUtf8, latin1_toUtf16, 1, 1, 0},
576        {                                          576        {
577 #  include "asciitab.h"                           577 #  include "asciitab.h"
578            /* BT_NONXML == 0 */                   578            /* BT_NONXML == 0 */
579        },                                         579        },
580        STANDARD_VTABLE(sb_) NULL_VTABLE};         580        STANDARD_VTABLE(sb_) NULL_VTABLE};
581                                                   581 
582 #endif                                            582 #endif
583                                                   583 
584 static const struct normal_encoding ascii_enco    584 static const struct normal_encoding ascii_encoding
585     = {{VTABLE1, ascii_toUtf8, latin1_toUtf16,    585     = {{VTABLE1, ascii_toUtf8, latin1_toUtf16, 1, 1, 0},
586        {                                          586        {
587 #define BT_COLON BT_NMSTRT                        587 #define BT_COLON BT_NMSTRT
588 #include "asciitab.h"                             588 #include "asciitab.h"
589 #undef BT_COLON                                   589 #undef BT_COLON
590            /* BT_NONXML == 0 */                   590            /* BT_NONXML == 0 */
591        },                                         591        },
592        STANDARD_VTABLE(sb_) NULL_VTABLE};         592        STANDARD_VTABLE(sb_) NULL_VTABLE};
593                                                   593 
594 static int PTRFASTCALL                            594 static int PTRFASTCALL
595 unicode_byte_type(char hi, char lo) {             595 unicode_byte_type(char hi, char lo) {
596   switch ((unsigned char)hi) {                    596   switch ((unsigned char)hi) {
597   /* 0xD800-0xDBFF first 16-bit code unit or h    597   /* 0xD800-0xDBFF first 16-bit code unit or high surrogate (W1) */
598   case 0xD8:                                      598   case 0xD8:
599   case 0xD9:                                      599   case 0xD9:
600   case 0xDA:                                      600   case 0xDA:
601   case 0xDB:                                      601   case 0xDB:
602     return BT_LEAD4;                              602     return BT_LEAD4;
603   /* 0xDC00-0xDFFF second 16-bit code unit or     603   /* 0xDC00-0xDFFF second 16-bit code unit or low surrogate (W2) */
604   case 0xDC:                                      604   case 0xDC:
605   case 0xDD:                                      605   case 0xDD:
606   case 0xDE:                                      606   case 0xDE:
607   case 0xDF:                                      607   case 0xDF:
608     return BT_TRAIL;                              608     return BT_TRAIL;
609   case 0xFF:                                      609   case 0xFF:
610     switch ((unsigned char)lo) {                  610     switch ((unsigned char)lo) {
611     case 0xFF: /* noncharacter-FFFF */            611     case 0xFF: /* noncharacter-FFFF */
612     case 0xFE: /* noncharacter-FFFE */            612     case 0xFE: /* noncharacter-FFFE */
613       return BT_NONXML;                           613       return BT_NONXML;
614     }                                             614     }
615     break;                                        615     break;
616   }                                               616   }
617   return BT_NONASCII;                             617   return BT_NONASCII;
618 }                                                 618 }
619                                                   619 
620 #define DEFINE_UTF16_TO_UTF8(E)                   620 #define DEFINE_UTF16_TO_UTF8(E)                                                \
621   static enum XML_Convert_Result PTRCALL E##to    621   static enum XML_Convert_Result PTRCALL E##toUtf8(                            \
622       const ENCODING *enc, const char **fromP,    622       const ENCODING *enc, const char **fromP, const char *fromLim,            \
623       char **toP, const char *toLim) {            623       char **toP, const char *toLim) {                                         \
624     const char *from = *fromP;                    624     const char *from = *fromP;                                                 \
625     UNUSED_P(enc);                                625     UNUSED_P(enc);                                                             \
626     fromLim = from + (((fromLim - from) >> 1)     626     fromLim = from + (((fromLim - from) >> 1) << 1); /* shrink to even */      \
627     for (; from < fromLim; from += 2) {           627     for (; from < fromLim; from += 2) {                                        \
628       int plane;                                  628       int plane;                                                               \
629       unsigned char lo2;                          629       unsigned char lo2;                                                       \
630       unsigned char lo = GET_LO(from);            630       unsigned char lo = GET_LO(from);                                         \
631       unsigned char hi = GET_HI(from);            631       unsigned char hi = GET_HI(from);                                         \
632       switch (hi) {                               632       switch (hi) {                                                            \
633       case 0:                                     633       case 0:                                                                  \
634         if (lo < 0x80) {                          634         if (lo < 0x80) {                                                       \
635           if (*toP == toLim) {                    635           if (*toP == toLim) {                                                 \
636             *fromP = from;                        636             *fromP = from;                                                     \
637             return XML_CONVERT_OUTPUT_EXHAUSTE    637             return XML_CONVERT_OUTPUT_EXHAUSTED;                               \
638           }                                       638           }                                                                    \
639           *(*toP)++ = lo;                         639           *(*toP)++ = lo;                                                      \
640           break;                                  640           break;                                                               \
641         }                                         641         }                                                                      \
642         /* fall through */                        642         /* fall through */                                                     \
643       case 0x1:                                   643       case 0x1:                                                                \
644       case 0x2:                                   644       case 0x2:                                                                \
645       case 0x3:                                   645       case 0x3:                                                                \
646       case 0x4:                                   646       case 0x4:                                                                \
647       case 0x5:                                   647       case 0x5:                                                                \
648       case 0x6:                                   648       case 0x6:                                                                \
649       case 0x7:                                   649       case 0x7:                                                                \
650         if (toLim - *toP < 2) {                   650         if (toLim - *toP < 2) {                                                \
651           *fromP = from;                          651           *fromP = from;                                                       \
652           return XML_CONVERT_OUTPUT_EXHAUSTED;    652           return XML_CONVERT_OUTPUT_EXHAUSTED;                                 \
653         }                                         653         }                                                                      \
654         *(*toP)++ = ((lo >> 6) | (hi << 2) | U    654         *(*toP)++ = ((lo >> 6) | (hi << 2) | UTF8_cval2);                      \
655         *(*toP)++ = ((lo & 0x3f) | 0x80);         655         *(*toP)++ = ((lo & 0x3f) | 0x80);                                      \
656         break;                                    656         break;                                                                 \
657       default:                                    657       default:                                                                 \
658         if (toLim - *toP < 3) {                   658         if (toLim - *toP < 3) {                                                \
659           *fromP = from;                          659           *fromP = from;                                                       \
660           return XML_CONVERT_OUTPUT_EXHAUSTED;    660           return XML_CONVERT_OUTPUT_EXHAUSTED;                                 \
661         }                                         661         }                                                                      \
662         /* 16 bits divided 4, 6, 6 amongst 3 b    662         /* 16 bits divided 4, 6, 6 amongst 3 bytes */                          \
663         *(*toP)++ = ((hi >> 4) | UTF8_cval3);     663         *(*toP)++ = ((hi >> 4) | UTF8_cval3);                                  \
664         *(*toP)++ = (((hi & 0xf) << 2) | (lo >    664         *(*toP)++ = (((hi & 0xf) << 2) | (lo >> 6) | 0x80);                    \
665         *(*toP)++ = ((lo & 0x3f) | 0x80);         665         *(*toP)++ = ((lo & 0x3f) | 0x80);                                      \
666         break;                                    666         break;                                                                 \
667       case 0xD8:                                  667       case 0xD8:                                                               \
668       case 0xD9:                                  668       case 0xD9:                                                               \
669       case 0xDA:                                  669       case 0xDA:                                                               \
670       case 0xDB:                                  670       case 0xDB:                                                               \
671         if (toLim - *toP < 4) {                   671         if (toLim - *toP < 4) {                                                \
672           *fromP = from;                          672           *fromP = from;                                                       \
673           return XML_CONVERT_OUTPUT_EXHAUSTED;    673           return XML_CONVERT_OUTPUT_EXHAUSTED;                                 \
674         }                                         674         }                                                                      \
675         if (fromLim - from < 4) {                 675         if (fromLim - from < 4) {                                              \
676           *fromP = from;                          676           *fromP = from;                                                       \
677           return XML_CONVERT_INPUT_INCOMPLETE;    677           return XML_CONVERT_INPUT_INCOMPLETE;                                 \
678         }                                         678         }                                                                      \
679         plane = (((hi & 0x3) << 2) | ((lo >> 6    679         plane = (((hi & 0x3) << 2) | ((lo >> 6) & 0x3)) + 1;                   \
680         *(*toP)++ = (char)((plane >> 2) | UTF8    680         *(*toP)++ = (char)((plane >> 2) | UTF8_cval4);                         \
681         *(*toP)++ = (((lo >> 2) & 0xF) | ((pla    681         *(*toP)++ = (((lo >> 2) & 0xF) | ((plane & 0x3) << 4) | 0x80);         \
682         from += 2;                                682         from += 2;                                                             \
683         lo2 = GET_LO(from);                       683         lo2 = GET_LO(from);                                                    \
684         *(*toP)++ = (((lo & 0x3) << 4) | ((GET    684         *(*toP)++ = (((lo & 0x3) << 4) | ((GET_HI(from) & 0x3) << 2)           \
685                      | (lo2 >> 6) | 0x80);        685                      | (lo2 >> 6) | 0x80);                                     \
686         *(*toP)++ = ((lo2 & 0x3f) | 0x80);        686         *(*toP)++ = ((lo2 & 0x3f) | 0x80);                                     \
687         break;                                    687         break;                                                                 \
688       }                                           688       }                                                                        \
689     }                                             689     }                                                                          \
690     *fromP = from;                                690     *fromP = from;                                                             \
691     if (from < fromLim)                           691     if (from < fromLim)                                                        \
692       return XML_CONVERT_INPUT_INCOMPLETE;        692       return XML_CONVERT_INPUT_INCOMPLETE;                                     \
693     else                                          693     else                                                                       \
694       return XML_CONVERT_COMPLETED;               694       return XML_CONVERT_COMPLETED;                                            \
695   }                                               695   }
696                                                   696 
697 #define DEFINE_UTF16_TO_UTF16(E)                  697 #define DEFINE_UTF16_TO_UTF16(E)                                               \
698   static enum XML_Convert_Result PTRCALL E##to    698   static enum XML_Convert_Result PTRCALL E##toUtf16(                           \
699       const ENCODING *enc, const char **fromP,    699       const ENCODING *enc, const char **fromP, const char *fromLim,            \
700       unsigned short **toP, const unsigned sho    700       unsigned short **toP, const unsigned short *toLim) {                     \
701     enum XML_Convert_Result res = XML_CONVERT_    701     enum XML_Convert_Result res = XML_CONVERT_COMPLETED;                       \
702     UNUSED_P(enc);                                702     UNUSED_P(enc);                                                             \
703     fromLim = *fromP + (((fromLim - *fromP) >>    703     fromLim = *fromP + (((fromLim - *fromP) >> 1) << 1); /* shrink to even */  \
704     /* Avoid copying first half only of surrog    704     /* Avoid copying first half only of surrogate */                           \
705     if (fromLim - *fromP > ((toLim - *toP) <<     705     if (fromLim - *fromP > ((toLim - *toP) << 1)                               \
706         && (GET_HI(fromLim - 2) & 0xF8) == 0xD    706         && (GET_HI(fromLim - 2) & 0xF8) == 0xD8) {                             \
707       fromLim -= 2;                               707       fromLim -= 2;                                                            \
708       res = XML_CONVERT_INPUT_INCOMPLETE;         708       res = XML_CONVERT_INPUT_INCOMPLETE;                                      \
709     }                                             709     }                                                                          \
710     for (; *fromP < fromLim && *toP < toLim; *    710     for (; *fromP < fromLim && *toP < toLim; *fromP += 2)                      \
711       *(*toP)++ = (GET_HI(*fromP) << 8) | GET_    711       *(*toP)++ = (GET_HI(*fromP) << 8) | GET_LO(*fromP);                      \
712     if ((*toP == toLim) && (*fromP < fromLim))    712     if ((*toP == toLim) && (*fromP < fromLim))                                 \
713       return XML_CONVERT_OUTPUT_EXHAUSTED;        713       return XML_CONVERT_OUTPUT_EXHAUSTED;                                     \
714     else                                          714     else                                                                       \
715       return res;                                 715       return res;                                                              \
716   }                                               716   }
717                                                   717 
718 #define SET2(ptr, ch) (((ptr)[0] = ((ch)&0xff)    718 #define SET2(ptr, ch) (((ptr)[0] = ((ch)&0xff)), ((ptr)[1] = ((ch) >> 8)))
719 #define GET_LO(ptr) ((unsigned char)(ptr)[0])     719 #define GET_LO(ptr) ((unsigned char)(ptr)[0])
720 #define GET_HI(ptr) ((unsigned char)(ptr)[1])     720 #define GET_HI(ptr) ((unsigned char)(ptr)[1])
721                                                   721 
722 DEFINE_UTF16_TO_UTF8(little2_)                    722 DEFINE_UTF16_TO_UTF8(little2_)
723 DEFINE_UTF16_TO_UTF16(little2_)                   723 DEFINE_UTF16_TO_UTF16(little2_)
724                                                   724 
725 #undef SET2                                       725 #undef SET2
726 #undef GET_LO                                     726 #undef GET_LO
727 #undef GET_HI                                     727 #undef GET_HI
728                                                   728 
729 #define SET2(ptr, ch) (((ptr)[0] = ((ch) >> 8)    729 #define SET2(ptr, ch) (((ptr)[0] = ((ch) >> 8)), ((ptr)[1] = ((ch)&0xFF)))
730 #define GET_LO(ptr) ((unsigned char)(ptr)[1])     730 #define GET_LO(ptr) ((unsigned char)(ptr)[1])
731 #define GET_HI(ptr) ((unsigned char)(ptr)[0])     731 #define GET_HI(ptr) ((unsigned char)(ptr)[0])
732                                                   732 
733 DEFINE_UTF16_TO_UTF8(big2_)                       733 DEFINE_UTF16_TO_UTF8(big2_)
734 DEFINE_UTF16_TO_UTF16(big2_)                      734 DEFINE_UTF16_TO_UTF16(big2_)
735                                                   735 
736 #undef SET2                                       736 #undef SET2
737 #undef GET_LO                                     737 #undef GET_LO
738 #undef GET_HI                                     738 #undef GET_HI
739                                                   739 
740 #define LITTLE2_BYTE_TYPE(enc, p)                 740 #define LITTLE2_BYTE_TYPE(enc, p)                                              \
741   ((p)[1] == 0 ? ((struct normal_encoding *)(e    741   ((p)[1] == 0 ? ((struct normal_encoding *)(enc))->type[(unsigned char)*(p)]  \
742                : unicode_byte_type((p)[1], (p)    742                : unicode_byte_type((p)[1], (p)[0]))
743 #define LITTLE2_BYTE_TO_ASCII(p) ((p)[1] == 0     743 #define LITTLE2_BYTE_TO_ASCII(p) ((p)[1] == 0 ? (p)[0] : -1)
744 #define LITTLE2_CHAR_MATCHES(p, c) ((p)[1] ==     744 #define LITTLE2_CHAR_MATCHES(p, c) ((p)[1] == 0 && (p)[0] == (c))
745 #define LITTLE2_IS_NAME_CHAR_MINBPC(p)            745 #define LITTLE2_IS_NAME_CHAR_MINBPC(p)                                         \
746   UCS2_GET_NAMING(namePages, (unsigned char)p[    746   UCS2_GET_NAMING(namePages, (unsigned char)p[1], (unsigned char)p[0])
747 #define LITTLE2_IS_NMSTRT_CHAR_MINBPC(p)          747 #define LITTLE2_IS_NMSTRT_CHAR_MINBPC(p)                                       \
748   UCS2_GET_NAMING(nmstrtPages, (unsigned char)    748   UCS2_GET_NAMING(nmstrtPages, (unsigned char)p[1], (unsigned char)p[0])
749                                                   749 
750 #ifdef XML_MIN_SIZE                               750 #ifdef XML_MIN_SIZE
751                                                   751 
752 static int PTRFASTCALL                            752 static int PTRFASTCALL
753 little2_byteType(const ENCODING *enc, const ch    753 little2_byteType(const ENCODING *enc, const char *p) {
754   return LITTLE2_BYTE_TYPE(enc, p);               754   return LITTLE2_BYTE_TYPE(enc, p);
755 }                                                 755 }
756                                                   756 
757 static int PTRFASTCALL                            757 static int PTRFASTCALL
758 little2_byteToAscii(const ENCODING *enc, const    758 little2_byteToAscii(const ENCODING *enc, const char *p) {
759   UNUSED_P(enc);                                  759   UNUSED_P(enc);
760   return LITTLE2_BYTE_TO_ASCII(p);                760   return LITTLE2_BYTE_TO_ASCII(p);
761 }                                                 761 }
762                                                   762 
763 static int PTRCALL                                763 static int PTRCALL
764 little2_charMatches(const ENCODING *enc, const    764 little2_charMatches(const ENCODING *enc, const char *p, int c) {
765   UNUSED_P(enc);                                  765   UNUSED_P(enc);
766   return LITTLE2_CHAR_MATCHES(p, c);              766   return LITTLE2_CHAR_MATCHES(p, c);
767 }                                                 767 }
768                                                   768 
769 static int PTRFASTCALL                            769 static int PTRFASTCALL
770 little2_isNameMin(const ENCODING *enc, const c    770 little2_isNameMin(const ENCODING *enc, const char *p) {
771   UNUSED_P(enc);                                  771   UNUSED_P(enc);
772   return LITTLE2_IS_NAME_CHAR_MINBPC(p);          772   return LITTLE2_IS_NAME_CHAR_MINBPC(p);
773 }                                                 773 }
774                                                   774 
775 static int PTRFASTCALL                            775 static int PTRFASTCALL
776 little2_isNmstrtMin(const ENCODING *enc, const    776 little2_isNmstrtMin(const ENCODING *enc, const char *p) {
777   UNUSED_P(enc);                                  777   UNUSED_P(enc);
778   return LITTLE2_IS_NMSTRT_CHAR_MINBPC(p);        778   return LITTLE2_IS_NMSTRT_CHAR_MINBPC(p);
779 }                                                 779 }
780                                                   780 
781 #  undef VTABLE                                   781 #  undef VTABLE
782 #  define VTABLE VTABLE1, little2_toUtf8, litt    782 #  define VTABLE VTABLE1, little2_toUtf8, little2_toUtf16
783                                                   783 
784 #else /* not XML_MIN_SIZE */                      784 #else /* not XML_MIN_SIZE */
785                                                   785 
786 #  undef PREFIX                                   786 #  undef PREFIX
787 #  define PREFIX(ident) little2_##ident           787 #  define PREFIX(ident) little2_##ident
788 #  define MINBPC(enc) 2                           788 #  define MINBPC(enc) 2
789 /* CHAR_MATCHES is guaranteed to have MINBPC b    789 /* CHAR_MATCHES is guaranteed to have MINBPC bytes available. */
790 #  define BYTE_TYPE(enc, p) LITTLE2_BYTE_TYPE(    790 #  define BYTE_TYPE(enc, p) LITTLE2_BYTE_TYPE(enc, p)
791 #  define BYTE_TO_ASCII(enc, p) LITTLE2_BYTE_T    791 #  define BYTE_TO_ASCII(enc, p) LITTLE2_BYTE_TO_ASCII(p)
792 #  define CHAR_MATCHES(enc, p, c) LITTLE2_CHAR    792 #  define CHAR_MATCHES(enc, p, c) LITTLE2_CHAR_MATCHES(p, c)
793 #  define IS_NAME_CHAR(enc, p, n) 0               793 #  define IS_NAME_CHAR(enc, p, n) 0
794 #  define IS_NAME_CHAR_MINBPC(enc, p) LITTLE2_    794 #  define IS_NAME_CHAR_MINBPC(enc, p) LITTLE2_IS_NAME_CHAR_MINBPC(p)
795 #  define IS_NMSTRT_CHAR(enc, p, n) (0)           795 #  define IS_NMSTRT_CHAR(enc, p, n) (0)
796 #  define IS_NMSTRT_CHAR_MINBPC(enc, p) LITTLE    796 #  define IS_NMSTRT_CHAR_MINBPC(enc, p) LITTLE2_IS_NMSTRT_CHAR_MINBPC(p)
797                                                   797 
798 #  define XML_TOK_IMPL_C                          798 #  define XML_TOK_IMPL_C
799 #  include "xmltok_impl.c"                        799 #  include "xmltok_impl.c"
800 #  undef XML_TOK_IMPL_C                           800 #  undef XML_TOK_IMPL_C
801                                                   801 
802 #  undef MINBPC                                   802 #  undef MINBPC
803 #  undef BYTE_TYPE                                803 #  undef BYTE_TYPE
804 #  undef BYTE_TO_ASCII                            804 #  undef BYTE_TO_ASCII
805 #  undef CHAR_MATCHES                             805 #  undef CHAR_MATCHES
806 #  undef IS_NAME_CHAR                             806 #  undef IS_NAME_CHAR
807 #  undef IS_NAME_CHAR_MINBPC                      807 #  undef IS_NAME_CHAR_MINBPC
808 #  undef IS_NMSTRT_CHAR                           808 #  undef IS_NMSTRT_CHAR
809 #  undef IS_NMSTRT_CHAR_MINBPC                    809 #  undef IS_NMSTRT_CHAR_MINBPC
810 #  undef IS_INVALID_CHAR                          810 #  undef IS_INVALID_CHAR
811                                                   811 
812 #endif /* not XML_MIN_SIZE */                     812 #endif /* not XML_MIN_SIZE */
813                                                   813 
814 #ifdef XML_NS                                     814 #ifdef XML_NS
815                                                   815 
816 static const struct normal_encoding little2_en    816 static const struct normal_encoding little2_encoding_ns
817     = {{VTABLE, 2, 0,                             817     = {{VTABLE, 2, 0,
818 #  if BYTEORDER == 1234                           818 #  if BYTEORDER == 1234
819         1                                         819         1
820 #  else                                           820 #  else
821         0                                         821         0
822 #  endif                                          822 #  endif
823        },                                         823        },
824        {                                          824        {
825 #  include "asciitab.h"                           825 #  include "asciitab.h"
826 #  include "latin1tab.h"                          826 #  include "latin1tab.h"
827        },                                         827        },
828        STANDARD_VTABLE(little2_) NULL_VTABLE};    828        STANDARD_VTABLE(little2_) NULL_VTABLE};
829                                                   829 
830 #endif                                            830 #endif
831                                                   831 
832 static const struct normal_encoding little2_en    832 static const struct normal_encoding little2_encoding
833     = {{VTABLE, 2, 0,                             833     = {{VTABLE, 2, 0,
834 #if BYTEORDER == 1234                             834 #if BYTEORDER == 1234
835         1                                         835         1
836 #else                                             836 #else
837         0                                         837         0
838 #endif                                            838 #endif
839        },                                         839        },
840        {                                          840        {
841 #define BT_COLON BT_NMSTRT                        841 #define BT_COLON BT_NMSTRT
842 #include "asciitab.h"                             842 #include "asciitab.h"
843 #undef BT_COLON                                   843 #undef BT_COLON
844 #include "latin1tab.h"                            844 #include "latin1tab.h"
845        },                                         845        },
846        STANDARD_VTABLE(little2_) NULL_VTABLE};    846        STANDARD_VTABLE(little2_) NULL_VTABLE};
847                                                   847 
848 #if BYTEORDER != 4321                             848 #if BYTEORDER != 4321
849                                                   849 
850 #  ifdef XML_NS                                   850 #  ifdef XML_NS
851                                                   851 
852 static const struct normal_encoding internal_l    852 static const struct normal_encoding internal_little2_encoding_ns
853     = {{VTABLE, 2, 0, 1},                         853     = {{VTABLE, 2, 0, 1},
854        {                                          854        {
855 #    include "iasciitab.h"                        855 #    include "iasciitab.h"
856 #    include "latin1tab.h"                        856 #    include "latin1tab.h"
857        },                                         857        },
858        STANDARD_VTABLE(little2_) NULL_VTABLE};    858        STANDARD_VTABLE(little2_) NULL_VTABLE};
859                                                   859 
860 #  endif                                          860 #  endif
861                                                   861 
862 static const struct normal_encoding internal_l    862 static const struct normal_encoding internal_little2_encoding
863     = {{VTABLE, 2, 0, 1},                         863     = {{VTABLE, 2, 0, 1},
864        {                                          864        {
865 #  define BT_COLON BT_NMSTRT                      865 #  define BT_COLON BT_NMSTRT
866 #  include "iasciitab.h"                          866 #  include "iasciitab.h"
867 #  undef BT_COLON                                 867 #  undef BT_COLON
868 #  include "latin1tab.h"                          868 #  include "latin1tab.h"
869        },                                         869        },
870        STANDARD_VTABLE(little2_) NULL_VTABLE};    870        STANDARD_VTABLE(little2_) NULL_VTABLE};
871                                                   871 
872 #endif                                            872 #endif
873                                                   873 
874 #define BIG2_BYTE_TYPE(enc, p)                    874 #define BIG2_BYTE_TYPE(enc, p)                                                 \
875   ((p)[0] == 0                                    875   ((p)[0] == 0                                                                 \
876        ? ((struct normal_encoding *)(enc))->ty    876        ? ((struct normal_encoding *)(enc))->type[(unsigned char)(p)[1]]        \
877        : unicode_byte_type((p)[0], (p)[1]))       877        : unicode_byte_type((p)[0], (p)[1]))
878 #define BIG2_BYTE_TO_ASCII(p) ((p)[0] == 0 ? (    878 #define BIG2_BYTE_TO_ASCII(p) ((p)[0] == 0 ? (p)[1] : -1)
879 #define BIG2_CHAR_MATCHES(p, c) ((p)[0] == 0 &    879 #define BIG2_CHAR_MATCHES(p, c) ((p)[0] == 0 && (p)[1] == (c))
880 #define BIG2_IS_NAME_CHAR_MINBPC(p)               880 #define BIG2_IS_NAME_CHAR_MINBPC(p)                                            \
881   UCS2_GET_NAMING(namePages, (unsigned char)p[    881   UCS2_GET_NAMING(namePages, (unsigned char)p[0], (unsigned char)p[1])
882 #define BIG2_IS_NMSTRT_CHAR_MINBPC(p)             882 #define BIG2_IS_NMSTRT_CHAR_MINBPC(p)                                          \
883   UCS2_GET_NAMING(nmstrtPages, (unsigned char)    883   UCS2_GET_NAMING(nmstrtPages, (unsigned char)p[0], (unsigned char)p[1])
884                                                   884 
885 #ifdef XML_MIN_SIZE                               885 #ifdef XML_MIN_SIZE
886                                                   886 
887 static int PTRFASTCALL                            887 static int PTRFASTCALL
888 big2_byteType(const ENCODING *enc, const char     888 big2_byteType(const ENCODING *enc, const char *p) {
889   return BIG2_BYTE_TYPE(enc, p);                  889   return BIG2_BYTE_TYPE(enc, p);
890 }                                                 890 }
891                                                   891 
892 static int PTRFASTCALL                            892 static int PTRFASTCALL
893 big2_byteToAscii(const ENCODING *enc, const ch    893 big2_byteToAscii(const ENCODING *enc, const char *p) {
894   UNUSED_P(enc);                                  894   UNUSED_P(enc);
895   return BIG2_BYTE_TO_ASCII(p);                   895   return BIG2_BYTE_TO_ASCII(p);
896 }                                                 896 }
897                                                   897 
898 static int PTRCALL                                898 static int PTRCALL
899 big2_charMatches(const ENCODING *enc, const ch    899 big2_charMatches(const ENCODING *enc, const char *p, int c) {
900   UNUSED_P(enc);                                  900   UNUSED_P(enc);
901   return BIG2_CHAR_MATCHES(p, c);                 901   return BIG2_CHAR_MATCHES(p, c);
902 }                                                 902 }
903                                                   903 
904 static int PTRFASTCALL                            904 static int PTRFASTCALL
905 big2_isNameMin(const ENCODING *enc, const char    905 big2_isNameMin(const ENCODING *enc, const char *p) {
906   UNUSED_P(enc);                                  906   UNUSED_P(enc);
907   return BIG2_IS_NAME_CHAR_MINBPC(p);             907   return BIG2_IS_NAME_CHAR_MINBPC(p);
908 }                                                 908 }
909                                                   909 
910 static int PTRFASTCALL                            910 static int PTRFASTCALL
911 big2_isNmstrtMin(const ENCODING *enc, const ch    911 big2_isNmstrtMin(const ENCODING *enc, const char *p) {
912   UNUSED_P(enc);                                  912   UNUSED_P(enc);
913   return BIG2_IS_NMSTRT_CHAR_MINBPC(p);           913   return BIG2_IS_NMSTRT_CHAR_MINBPC(p);
914 }                                                 914 }
915                                                   915 
916 #  undef VTABLE                                   916 #  undef VTABLE
917 #  define VTABLE VTABLE1, big2_toUtf8, big2_to    917 #  define VTABLE VTABLE1, big2_toUtf8, big2_toUtf16
918                                                   918 
919 #else /* not XML_MIN_SIZE */                      919 #else /* not XML_MIN_SIZE */
920                                                   920 
921 #  undef PREFIX                                   921 #  undef PREFIX
922 #  define PREFIX(ident) big2_##ident              922 #  define PREFIX(ident) big2_##ident
923 #  define MINBPC(enc) 2                           923 #  define MINBPC(enc) 2
924 /* CHAR_MATCHES is guaranteed to have MINBPC b    924 /* CHAR_MATCHES is guaranteed to have MINBPC bytes available. */
925 #  define BYTE_TYPE(enc, p) BIG2_BYTE_TYPE(enc    925 #  define BYTE_TYPE(enc, p) BIG2_BYTE_TYPE(enc, p)
926 #  define BYTE_TO_ASCII(enc, p) BIG2_BYTE_TO_A    926 #  define BYTE_TO_ASCII(enc, p) BIG2_BYTE_TO_ASCII(p)
927 #  define CHAR_MATCHES(enc, p, c) BIG2_CHAR_MA    927 #  define CHAR_MATCHES(enc, p, c) BIG2_CHAR_MATCHES(p, c)
928 #  define IS_NAME_CHAR(enc, p, n) 0               928 #  define IS_NAME_CHAR(enc, p, n) 0
929 #  define IS_NAME_CHAR_MINBPC(enc, p) BIG2_IS_    929 #  define IS_NAME_CHAR_MINBPC(enc, p) BIG2_IS_NAME_CHAR_MINBPC(p)
930 #  define IS_NMSTRT_CHAR(enc, p, n) (0)           930 #  define IS_NMSTRT_CHAR(enc, p, n) (0)
931 #  define IS_NMSTRT_CHAR_MINBPC(enc, p) BIG2_I    931 #  define IS_NMSTRT_CHAR_MINBPC(enc, p) BIG2_IS_NMSTRT_CHAR_MINBPC(p)
932                                                   932 
933 #  define XML_TOK_IMPL_C                          933 #  define XML_TOK_IMPL_C
934 #  include "xmltok_impl.c"                        934 #  include "xmltok_impl.c"
935 #  undef XML_TOK_IMPL_C                           935 #  undef XML_TOK_IMPL_C
936                                                   936 
937 #  undef MINBPC                                   937 #  undef MINBPC
938 #  undef BYTE_TYPE                                938 #  undef BYTE_TYPE
939 #  undef BYTE_TO_ASCII                            939 #  undef BYTE_TO_ASCII
940 #  undef CHAR_MATCHES                             940 #  undef CHAR_MATCHES
941 #  undef IS_NAME_CHAR                             941 #  undef IS_NAME_CHAR
942 #  undef IS_NAME_CHAR_MINBPC                      942 #  undef IS_NAME_CHAR_MINBPC
943 #  undef IS_NMSTRT_CHAR                           943 #  undef IS_NMSTRT_CHAR
944 #  undef IS_NMSTRT_CHAR_MINBPC                    944 #  undef IS_NMSTRT_CHAR_MINBPC
945 #  undef IS_INVALID_CHAR                          945 #  undef IS_INVALID_CHAR
946                                                   946 
947 #endif /* not XML_MIN_SIZE */                     947 #endif /* not XML_MIN_SIZE */
948                                                   948 
949 #ifdef XML_NS                                     949 #ifdef XML_NS
950                                                   950 
951 static const struct normal_encoding big2_encod    951 static const struct normal_encoding big2_encoding_ns
952     = {{VTABLE, 2, 0,                             952     = {{VTABLE, 2, 0,
953 #  if BYTEORDER == 4321                           953 #  if BYTEORDER == 4321
954         1                                         954         1
955 #  else                                           955 #  else
956         0                                         956         0
957 #  endif                                          957 #  endif
958        },                                         958        },
959        {                                          959        {
960 #  include "asciitab.h"                           960 #  include "asciitab.h"
961 #  include "latin1tab.h"                          961 #  include "latin1tab.h"
962        },                                         962        },
963        STANDARD_VTABLE(big2_) NULL_VTABLE};       963        STANDARD_VTABLE(big2_) NULL_VTABLE};
964                                                   964 
965 #endif                                            965 #endif
966                                                   966 
967 static const struct normal_encoding big2_encod    967 static const struct normal_encoding big2_encoding
968     = {{VTABLE, 2, 0,                             968     = {{VTABLE, 2, 0,
969 #if BYTEORDER == 4321                             969 #if BYTEORDER == 4321
970         1                                         970         1
971 #else                                             971 #else
972         0                                         972         0
973 #endif                                            973 #endif
974        },                                         974        },
975        {                                          975        {
976 #define BT_COLON BT_NMSTRT                        976 #define BT_COLON BT_NMSTRT
977 #include "asciitab.h"                             977 #include "asciitab.h"
978 #undef BT_COLON                                   978 #undef BT_COLON
979 #include "latin1tab.h"                            979 #include "latin1tab.h"
980        },                                         980        },
981        STANDARD_VTABLE(big2_) NULL_VTABLE};       981        STANDARD_VTABLE(big2_) NULL_VTABLE};
982                                                   982 
983 #if BYTEORDER != 1234                             983 #if BYTEORDER != 1234
984                                                   984 
985 #  ifdef XML_NS                                   985 #  ifdef XML_NS
986                                                   986 
987 static const struct normal_encoding internal_b    987 static const struct normal_encoding internal_big2_encoding_ns
988     = {{VTABLE, 2, 0, 1},                         988     = {{VTABLE, 2, 0, 1},
989        {                                          989        {
990 #    include "iasciitab.h"                        990 #    include "iasciitab.h"
991 #    include "latin1tab.h"                        991 #    include "latin1tab.h"
992        },                                         992        },
993        STANDARD_VTABLE(big2_) NULL_VTABLE};       993        STANDARD_VTABLE(big2_) NULL_VTABLE};
994                                                   994 
995 #  endif                                          995 #  endif
996                                                   996 
997 static const struct normal_encoding internal_b    997 static const struct normal_encoding internal_big2_encoding
998     = {{VTABLE, 2, 0, 1},                         998     = {{VTABLE, 2, 0, 1},
999        {                                          999        {
1000 #  define BT_COLON BT_NMSTRT                     1000 #  define BT_COLON BT_NMSTRT
1001 #  include "iasciitab.h"                         1001 #  include "iasciitab.h"
1002 #  undef BT_COLON                                1002 #  undef BT_COLON
1003 #  include "latin1tab.h"                         1003 #  include "latin1tab.h"
1004        },                                        1004        },
1005        STANDARD_VTABLE(big2_) NULL_VTABLE};      1005        STANDARD_VTABLE(big2_) NULL_VTABLE};
1006                                                  1006 
1007 #endif                                           1007 #endif
1008                                                  1008 
1009 #undef PREFIX                                    1009 #undef PREFIX
1010                                                  1010 
1011 static int FASTCALL                              1011 static int FASTCALL
1012 streqci(const char *s1, const char *s2) {        1012 streqci(const char *s1, const char *s2) {
1013   for (;;) {                                     1013   for (;;) {
1014     char c1 = *s1++;                             1014     char c1 = *s1++;
1015     char c2 = *s2++;                             1015     char c2 = *s2++;
1016     if (ASCII_a <= c1 && c1 <= ASCII_z)          1016     if (ASCII_a <= c1 && c1 <= ASCII_z)
1017       c1 += ASCII_A - ASCII_a;                   1017       c1 += ASCII_A - ASCII_a;
1018     if (ASCII_a <= c2 && c2 <= ASCII_z)          1018     if (ASCII_a <= c2 && c2 <= ASCII_z)
1019       /* The following line will never get ex    1019       /* The following line will never get executed.  streqci() is
1020        * only called from two places, both of    1020        * only called from two places, both of which guarantee to put
1021        * upper-case strings into s2.             1021        * upper-case strings into s2.
1022        */                                        1022        */
1023       c2 += ASCII_A - ASCII_a; /* LCOV_EXCL_L    1023       c2 += ASCII_A - ASCII_a; /* LCOV_EXCL_LINE */
1024     if (c1 != c2)                                1024     if (c1 != c2)
1025       return 0;                                  1025       return 0;
1026     if (! c1)                                    1026     if (! c1)
1027       break;                                     1027       break;
1028   }                                              1028   }
1029   return 1;                                      1029   return 1;
1030 }                                                1030 }
1031                                                  1031 
1032 static void PTRCALL                              1032 static void PTRCALL
1033 initUpdatePosition(const ENCODING *enc, const    1033 initUpdatePosition(const ENCODING *enc, const char *ptr, const char *end,
1034                    POSITION *pos) {              1034                    POSITION *pos) {
1035   UNUSED_P(enc);                                 1035   UNUSED_P(enc);
1036   normal_updatePosition(&utf8_encoding.enc, p    1036   normal_updatePosition(&utf8_encoding.enc, ptr, end, pos);
1037 }                                                1037 }
1038                                                  1038 
1039 static int                                       1039 static int
1040 toAscii(const ENCODING *enc, const char *ptr,    1040 toAscii(const ENCODING *enc, const char *ptr, const char *end) {
1041   char buf[1];                                   1041   char buf[1];
1042   char *p = buf;                                 1042   char *p = buf;
1043   XmlUtf8Convert(enc, &ptr, end, &p, p + 1);     1043   XmlUtf8Convert(enc, &ptr, end, &p, p + 1);
1044   if (p == buf)                                  1044   if (p == buf)
1045     return -1;                                   1045     return -1;
1046   else                                           1046   else
1047     return buf[0];                               1047     return buf[0];
1048 }                                                1048 }
1049                                                  1049 
1050 static int FASTCALL                              1050 static int FASTCALL
1051 isSpace(int c) {                                 1051 isSpace(int c) {
1052   switch (c) {                                   1052   switch (c) {
1053   case 0x20:                                     1053   case 0x20:
1054   case 0xD:                                      1054   case 0xD:
1055   case 0xA:                                      1055   case 0xA:
1056   case 0x9:                                      1056   case 0x9:
1057     return 1;                                    1057     return 1;
1058   }                                              1058   }
1059   return 0;                                      1059   return 0;
1060 }                                                1060 }
1061                                                  1061 
1062 /* Return 1 if there's just optional white sp    1062 /* Return 1 if there's just optional white space or there's an S
1063    followed by name=val.                         1063    followed by name=val.
1064 */                                               1064 */
1065 static int                                       1065 static int
1066 parsePseudoAttribute(const ENCODING *enc, con    1066 parsePseudoAttribute(const ENCODING *enc, const char *ptr, const char *end,
1067                      const char **namePtr, co    1067                      const char **namePtr, const char **nameEndPtr,
1068                      const char **valPtr, con    1068                      const char **valPtr, const char **nextTokPtr) {
1069   int c;                                         1069   int c;
1070   char open;                                     1070   char open;
1071   if (ptr == end) {                              1071   if (ptr == end) {
1072     *namePtr = NULL;                             1072     *namePtr = NULL;
1073     return 1;                                    1073     return 1;
1074   }                                              1074   }
1075   if (! isSpace(toAscii(enc, ptr, end))) {       1075   if (! isSpace(toAscii(enc, ptr, end))) {
1076     *nextTokPtr = ptr;                           1076     *nextTokPtr = ptr;
1077     return 0;                                    1077     return 0;
1078   }                                              1078   }
1079   do {                                           1079   do {
1080     ptr += enc->minBytesPerChar;                 1080     ptr += enc->minBytesPerChar;
1081   } while (isSpace(toAscii(enc, ptr, end)));     1081   } while (isSpace(toAscii(enc, ptr, end)));
1082   if (ptr == end) {                              1082   if (ptr == end) {
1083     *namePtr = NULL;                             1083     *namePtr = NULL;
1084     return 1;                                    1084     return 1;
1085   }                                              1085   }
1086   *namePtr = ptr;                                1086   *namePtr = ptr;
1087   for (;;) {                                     1087   for (;;) {
1088     c = toAscii(enc, ptr, end);                  1088     c = toAscii(enc, ptr, end);
1089     if (c == -1) {                               1089     if (c == -1) {
1090       *nextTokPtr = ptr;                         1090       *nextTokPtr = ptr;
1091       return 0;                                  1091       return 0;
1092     }                                            1092     }
1093     if (c == ASCII_EQUALS) {                     1093     if (c == ASCII_EQUALS) {
1094       *nameEndPtr = ptr;                         1094       *nameEndPtr = ptr;
1095       break;                                     1095       break;
1096     }                                            1096     }
1097     if (isSpace(c)) {                            1097     if (isSpace(c)) {
1098       *nameEndPtr = ptr;                         1098       *nameEndPtr = ptr;
1099       do {                                       1099       do {
1100         ptr += enc->minBytesPerChar;             1100         ptr += enc->minBytesPerChar;
1101       } while (isSpace(c = toAscii(enc, ptr,     1101       } while (isSpace(c = toAscii(enc, ptr, end)));
1102       if (c != ASCII_EQUALS) {                   1102       if (c != ASCII_EQUALS) {
1103         *nextTokPtr = ptr;                       1103         *nextTokPtr = ptr;
1104         return 0;                                1104         return 0;
1105       }                                          1105       }
1106       break;                                     1106       break;
1107     }                                            1107     }
1108     ptr += enc->minBytesPerChar;                 1108     ptr += enc->minBytesPerChar;
1109   }                                              1109   }
1110   if (ptr == *namePtr) {                         1110   if (ptr == *namePtr) {
1111     *nextTokPtr = ptr;                           1111     *nextTokPtr = ptr;
1112     return 0;                                    1112     return 0;
1113   }                                              1113   }
1114   ptr += enc->minBytesPerChar;                   1114   ptr += enc->minBytesPerChar;
1115   c = toAscii(enc, ptr, end);                    1115   c = toAscii(enc, ptr, end);
1116   while (isSpace(c)) {                           1116   while (isSpace(c)) {
1117     ptr += enc->minBytesPerChar;                 1117     ptr += enc->minBytesPerChar;
1118     c = toAscii(enc, ptr, end);                  1118     c = toAscii(enc, ptr, end);
1119   }                                              1119   }
1120   if (c != ASCII_QUOT && c != ASCII_APOS) {      1120   if (c != ASCII_QUOT && c != ASCII_APOS) {
1121     *nextTokPtr = ptr;                           1121     *nextTokPtr = ptr;
1122     return 0;                                    1122     return 0;
1123   }                                              1123   }
1124   open = (char)c;                                1124   open = (char)c;
1125   ptr += enc->minBytesPerChar;                   1125   ptr += enc->minBytesPerChar;
1126   *valPtr = ptr;                                 1126   *valPtr = ptr;
1127   for (;; ptr += enc->minBytesPerChar) {         1127   for (;; ptr += enc->minBytesPerChar) {
1128     c = toAscii(enc, ptr, end);                  1128     c = toAscii(enc, ptr, end);
1129     if (c == open)                               1129     if (c == open)
1130       break;                                     1130       break;
1131     if (! (ASCII_a <= c && c <= ASCII_z) && !    1131     if (! (ASCII_a <= c && c <= ASCII_z) && ! (ASCII_A <= c && c <= ASCII_Z)
1132         && ! (ASCII_0 <= c && c <= ASCII_9) &    1132         && ! (ASCII_0 <= c && c <= ASCII_9) && c != ASCII_PERIOD
1133         && c != ASCII_MINUS && c != ASCII_UND    1133         && c != ASCII_MINUS && c != ASCII_UNDERSCORE) {
1134       *nextTokPtr = ptr;                         1134       *nextTokPtr = ptr;
1135       return 0;                                  1135       return 0;
1136     }                                            1136     }
1137   }                                              1137   }
1138   *nextTokPtr = ptr + enc->minBytesPerChar;      1138   *nextTokPtr = ptr + enc->minBytesPerChar;
1139   return 1;                                      1139   return 1;
1140 }                                                1140 }
1141                                                  1141 
1142 static const char KW_version[]                   1142 static const char KW_version[]
1143     = {ASCII_v, ASCII_e, ASCII_r, ASCII_s, AS    1143     = {ASCII_v, ASCII_e, ASCII_r, ASCII_s, ASCII_i, ASCII_o, ASCII_n, '\0'};
1144                                                  1144 
1145 static const char KW_encoding[] = {ASCII_e, A    1145 static const char KW_encoding[] = {ASCII_e, ASCII_n, ASCII_c, ASCII_o, ASCII_d,
1146                                    ASCII_i, A    1146                                    ASCII_i, ASCII_n, ASCII_g, '\0'};
1147                                                  1147 
1148 static const char KW_standalone[]                1148 static const char KW_standalone[]
1149     = {ASCII_s, ASCII_t, ASCII_a, ASCII_n, AS    1149     = {ASCII_s, ASCII_t, ASCII_a, ASCII_n, ASCII_d, ASCII_a,
1150        ASCII_l, ASCII_o, ASCII_n, ASCII_e, '\    1150        ASCII_l, ASCII_o, ASCII_n, ASCII_e, '\0'};
1151                                                  1151 
1152 static const char KW_yes[] = {ASCII_y, ASCII_    1152 static const char KW_yes[] = {ASCII_y, ASCII_e, ASCII_s, '\0'};
1153                                                  1153 
1154 static const char KW_no[] = {ASCII_n, ASCII_o    1154 static const char KW_no[] = {ASCII_n, ASCII_o, '\0'};
1155                                                  1155 
1156 static int                                       1156 static int
1157 doParseXmlDecl(const ENCODING *(*encodingFind    1157 doParseXmlDecl(const ENCODING *(*encodingFinder)(const ENCODING *, const char *,
1158                                                  1158                                                  const char *),
1159                int isGeneralTextEntity, const    1159                int isGeneralTextEntity, const ENCODING *enc, const char *ptr,
1160                const char *end, const char **    1160                const char *end, const char **badPtr, const char **versionPtr,
1161                const char **versionEndPtr, co    1161                const char **versionEndPtr, const char **encodingName,
1162                const ENCODING **encoding, int    1162                const ENCODING **encoding, int *standalone) {
1163   const char *val = NULL;                        1163   const char *val = NULL;
1164   const char *name = NULL;                       1164   const char *name = NULL;
1165   const char *nameEnd = NULL;                    1165   const char *nameEnd = NULL;
1166   ptr += 5 * enc->minBytesPerChar;               1166   ptr += 5 * enc->minBytesPerChar;
1167   end -= 2 * enc->minBytesPerChar;               1167   end -= 2 * enc->minBytesPerChar;
1168   if (! parsePseudoAttribute(enc, ptr, end, &    1168   if (! parsePseudoAttribute(enc, ptr, end, &name, &nameEnd, &val, &ptr)
1169       || ! name) {                               1169       || ! name) {
1170     *badPtr = ptr;                               1170     *badPtr = ptr;
1171     return 0;                                    1171     return 0;
1172   }                                              1172   }
1173   if (! XmlNameMatchesAscii(enc, name, nameEn    1173   if (! XmlNameMatchesAscii(enc, name, nameEnd, KW_version)) {
1174     if (! isGeneralTextEntity) {                 1174     if (! isGeneralTextEntity) {
1175       *badPtr = name;                            1175       *badPtr = name;
1176       return 0;                                  1176       return 0;
1177     }                                            1177     }
1178   } else {                                       1178   } else {
1179     if (versionPtr)                              1179     if (versionPtr)
1180       *versionPtr = val;                         1180       *versionPtr = val;
1181     if (versionEndPtr)                           1181     if (versionEndPtr)
1182       *versionEndPtr = ptr;                      1182       *versionEndPtr = ptr;
1183     if (! parsePseudoAttribute(enc, ptr, end,    1183     if (! parsePseudoAttribute(enc, ptr, end, &name, &nameEnd, &val, &ptr)) {
1184       *badPtr = ptr;                             1184       *badPtr = ptr;
1185       return 0;                                  1185       return 0;
1186     }                                            1186     }
1187     if (! name) {                                1187     if (! name) {
1188       if (isGeneralTextEntity) {                 1188       if (isGeneralTextEntity) {
1189         /* a TextDecl must have an EncodingDe    1189         /* a TextDecl must have an EncodingDecl */
1190         *badPtr = ptr;                           1190         *badPtr = ptr;
1191         return 0;                                1191         return 0;
1192       }                                          1192       }
1193       return 1;                                  1193       return 1;
1194     }                                            1194     }
1195   }                                              1195   }
1196   if (XmlNameMatchesAscii(enc, name, nameEnd,    1196   if (XmlNameMatchesAscii(enc, name, nameEnd, KW_encoding)) {
1197     int c = toAscii(enc, val, end);              1197     int c = toAscii(enc, val, end);
1198     if (! (ASCII_a <= c && c <= ASCII_z) && !    1198     if (! (ASCII_a <= c && c <= ASCII_z) && ! (ASCII_A <= c && c <= ASCII_Z)) {
1199       *badPtr = val;                             1199       *badPtr = val;
1200       return 0;                                  1200       return 0;
1201     }                                            1201     }
1202     if (encodingName)                            1202     if (encodingName)
1203       *encodingName = val;                       1203       *encodingName = val;
1204     if (encoding)                                1204     if (encoding)
1205       *encoding = encodingFinder(enc, val, pt    1205       *encoding = encodingFinder(enc, val, ptr - enc->minBytesPerChar);
1206     if (! parsePseudoAttribute(enc, ptr, end,    1206     if (! parsePseudoAttribute(enc, ptr, end, &name, &nameEnd, &val, &ptr)) {
1207       *badPtr = ptr;                             1207       *badPtr = ptr;
1208       return 0;                                  1208       return 0;
1209     }                                            1209     }
1210     if (! name)                                  1210     if (! name)
1211       return 1;                                  1211       return 1;
1212   }                                              1212   }
1213   if (! XmlNameMatchesAscii(enc, name, nameEn    1213   if (! XmlNameMatchesAscii(enc, name, nameEnd, KW_standalone)
1214       || isGeneralTextEntity) {                  1214       || isGeneralTextEntity) {
1215     *badPtr = name;                              1215     *badPtr = name;
1216     return 0;                                    1216     return 0;
1217   }                                              1217   }
1218   if (XmlNameMatchesAscii(enc, val, ptr - enc    1218   if (XmlNameMatchesAscii(enc, val, ptr - enc->minBytesPerChar, KW_yes)) {
1219     if (standalone)                              1219     if (standalone)
1220       *standalone = 1;                           1220       *standalone = 1;
1221   } else if (XmlNameMatchesAscii(enc, val, pt    1221   } else if (XmlNameMatchesAscii(enc, val, ptr - enc->minBytesPerChar, KW_no)) {
1222     if (standalone)                              1222     if (standalone)
1223       *standalone = 0;                           1223       *standalone = 0;
1224   } else {                                       1224   } else {
1225     *badPtr = val;                               1225     *badPtr = val;
1226     return 0;                                    1226     return 0;
1227   }                                              1227   }
1228   while (isSpace(toAscii(enc, ptr, end)))        1228   while (isSpace(toAscii(enc, ptr, end)))
1229     ptr += enc->minBytesPerChar;                 1229     ptr += enc->minBytesPerChar;
1230   if (ptr != end) {                              1230   if (ptr != end) {
1231     *badPtr = ptr;                               1231     *badPtr = ptr;
1232     return 0;                                    1232     return 0;
1233   }                                              1233   }
1234   return 1;                                      1234   return 1;
1235 }                                                1235 }
1236                                                  1236 
1237 static int FASTCALL                              1237 static int FASTCALL
1238 checkCharRefNumber(int result) {                 1238 checkCharRefNumber(int result) {
1239   switch (result >> 8) {                         1239   switch (result >> 8) {
1240   case 0xD8:                                     1240   case 0xD8:
1241   case 0xD9:                                     1241   case 0xD9:
1242   case 0xDA:                                     1242   case 0xDA:
1243   case 0xDB:                                     1243   case 0xDB:
1244   case 0xDC:                                     1244   case 0xDC:
1245   case 0xDD:                                     1245   case 0xDD:
1246   case 0xDE:                                     1246   case 0xDE:
1247   case 0xDF:                                     1247   case 0xDF:
1248     return -1;                                   1248     return -1;
1249   case 0:                                        1249   case 0:
1250     if (latin1_encoding.type[result] == BT_NO    1250     if (latin1_encoding.type[result] == BT_NONXML)
1251       return -1;                                 1251       return -1;
1252     break;                                       1252     break;
1253   case 0xFF:                                     1253   case 0xFF:
1254     if (result == 0xFFFE || result == 0xFFFF)    1254     if (result == 0xFFFE || result == 0xFFFF)
1255       return -1;                                 1255       return -1;
1256     break;                                       1256     break;
1257   }                                              1257   }
1258   return result;                                 1258   return result;
1259 }                                                1259 }
1260                                                  1260 
1261 int FASTCALL                                     1261 int FASTCALL
1262 XmlUtf8Encode(int c, char *buf) {                1262 XmlUtf8Encode(int c, char *buf) {
1263   enum {                                         1263   enum {
1264     /* minN is minimum legal resulting value     1264     /* minN is minimum legal resulting value for N byte sequence */
1265     min2 = 0x80,                                 1265     min2 = 0x80,
1266     min3 = 0x800,                                1266     min3 = 0x800,
1267     min4 = 0x10000                               1267     min4 = 0x10000
1268   };                                             1268   };
1269                                                  1269 
1270   if (c < 0)                                     1270   if (c < 0)
1271     return 0; /* LCOV_EXCL_LINE: this case is    1271     return 0; /* LCOV_EXCL_LINE: this case is always eliminated beforehand */
1272   if (c < min2) {                                1272   if (c < min2) {
1273     buf[0] = (char)(c | UTF8_cval1);             1273     buf[0] = (char)(c | UTF8_cval1);
1274     return 1;                                    1274     return 1;
1275   }                                              1275   }
1276   if (c < min3) {                                1276   if (c < min3) {
1277     buf[0] = (char)((c >> 6) | UTF8_cval2);      1277     buf[0] = (char)((c >> 6) | UTF8_cval2);
1278     buf[1] = (char)((c & 0x3f) | 0x80);          1278     buf[1] = (char)((c & 0x3f) | 0x80);
1279     return 2;                                    1279     return 2;
1280   }                                              1280   }
1281   if (c < min4) {                                1281   if (c < min4) {
1282     buf[0] = (char)((c >> 12) | UTF8_cval3);     1282     buf[0] = (char)((c >> 12) | UTF8_cval3);
1283     buf[1] = (char)(((c >> 6) & 0x3f) | 0x80)    1283     buf[1] = (char)(((c >> 6) & 0x3f) | 0x80);
1284     buf[2] = (char)((c & 0x3f) | 0x80);          1284     buf[2] = (char)((c & 0x3f) | 0x80);
1285     return 3;                                    1285     return 3;
1286   }                                              1286   }
1287   if (c < 0x110000) {                            1287   if (c < 0x110000) {
1288     buf[0] = (char)((c >> 18) | UTF8_cval4);     1288     buf[0] = (char)((c >> 18) | UTF8_cval4);
1289     buf[1] = (char)(((c >> 12) & 0x3f) | 0x80    1289     buf[1] = (char)(((c >> 12) & 0x3f) | 0x80);
1290     buf[2] = (char)(((c >> 6) & 0x3f) | 0x80)    1290     buf[2] = (char)(((c >> 6) & 0x3f) | 0x80);
1291     buf[3] = (char)((c & 0x3f) | 0x80);          1291     buf[3] = (char)((c & 0x3f) | 0x80);
1292     return 4;                                    1292     return 4;
1293   }                                              1293   }
1294   return 0; /* LCOV_EXCL_LINE: this case too     1294   return 0; /* LCOV_EXCL_LINE: this case too is eliminated before calling */
1295 }                                                1295 }
1296                                                  1296 
1297 int FASTCALL                                     1297 int FASTCALL
1298 XmlUtf16Encode(int charNum, unsigned short *b    1298 XmlUtf16Encode(int charNum, unsigned short *buf) {
1299   if (charNum < 0)                               1299   if (charNum < 0)
1300     return 0;                                    1300     return 0;
1301   if (charNum < 0x10000) {                       1301   if (charNum < 0x10000) {
1302     buf[0] = (unsigned short)charNum;            1302     buf[0] = (unsigned short)charNum;
1303     return 1;                                    1303     return 1;
1304   }                                              1304   }
1305   if (charNum < 0x110000) {                      1305   if (charNum < 0x110000) {
1306     charNum -= 0x10000;                          1306     charNum -= 0x10000;
1307     buf[0] = (unsigned short)((charNum >> 10)    1307     buf[0] = (unsigned short)((charNum >> 10) + 0xD800);
1308     buf[1] = (unsigned short)((charNum & 0x3F    1308     buf[1] = (unsigned short)((charNum & 0x3FF) + 0xDC00);
1309     return 2;                                    1309     return 2;
1310   }                                              1310   }
1311   return 0;                                      1311   return 0;
1312 }                                                1312 }
1313                                                  1313 
1314 struct unknown_encoding {                        1314 struct unknown_encoding {
1315   struct normal_encoding normal;                 1315   struct normal_encoding normal;
1316   CONVERTER convert;                             1316   CONVERTER convert;
1317   void *userData;                                1317   void *userData;
1318   unsigned short utf16[256];                     1318   unsigned short utf16[256];
1319   char utf8[256][4];                             1319   char utf8[256][4];
1320 };                                               1320 };
1321                                                  1321 
1322 #define AS_UNKNOWN_ENCODING(enc) ((const stru    1322 #define AS_UNKNOWN_ENCODING(enc) ((const struct unknown_encoding *)(enc))
1323                                                  1323 
1324 int                                              1324 int
1325 XmlSizeOfUnknownEncoding(void) {                 1325 XmlSizeOfUnknownEncoding(void) {
1326   return sizeof(struct unknown_encoding);        1326   return sizeof(struct unknown_encoding);
1327 }                                                1327 }
1328                                                  1328 
1329 static int PTRFASTCALL                           1329 static int PTRFASTCALL
1330 unknown_isName(const ENCODING *enc, const cha    1330 unknown_isName(const ENCODING *enc, const char *p) {
1331   const struct unknown_encoding *uenc = AS_UN    1331   const struct unknown_encoding *uenc = AS_UNKNOWN_ENCODING(enc);
1332   int c = uenc->convert(uenc->userData, p);      1332   int c = uenc->convert(uenc->userData, p);
1333   if (c & ~0xFFFF)                               1333   if (c & ~0xFFFF)
1334     return 0;                                    1334     return 0;
1335   return UCS2_GET_NAMING(namePages, c >> 8, c    1335   return UCS2_GET_NAMING(namePages, c >> 8, c & 0xFF);
1336 }                                                1336 }
1337                                                  1337 
1338 static int PTRFASTCALL                           1338 static int PTRFASTCALL
1339 unknown_isNmstrt(const ENCODING *enc, const c    1339 unknown_isNmstrt(const ENCODING *enc, const char *p) {
1340   const struct unknown_encoding *uenc = AS_UN    1340   const struct unknown_encoding *uenc = AS_UNKNOWN_ENCODING(enc);
1341   int c = uenc->convert(uenc->userData, p);      1341   int c = uenc->convert(uenc->userData, p);
1342   if (c & ~0xFFFF)                               1342   if (c & ~0xFFFF)
1343     return 0;                                    1343     return 0;
1344   return UCS2_GET_NAMING(nmstrtPages, c >> 8,    1344   return UCS2_GET_NAMING(nmstrtPages, c >> 8, c & 0xFF);
1345 }                                                1345 }
1346                                                  1346 
1347 static int PTRFASTCALL                           1347 static int PTRFASTCALL
1348 unknown_isInvalid(const ENCODING *enc, const     1348 unknown_isInvalid(const ENCODING *enc, const char *p) {
1349   const struct unknown_encoding *uenc = AS_UN    1349   const struct unknown_encoding *uenc = AS_UNKNOWN_ENCODING(enc);
1350   int c = uenc->convert(uenc->userData, p);      1350   int c = uenc->convert(uenc->userData, p);
1351   return (c & ~0xFFFF) || checkCharRefNumber(    1351   return (c & ~0xFFFF) || checkCharRefNumber(c) < 0;
1352 }                                                1352 }
1353                                                  1353 
1354 static enum XML_Convert_Result PTRCALL           1354 static enum XML_Convert_Result PTRCALL
1355 unknown_toUtf8(const ENCODING *enc, const cha    1355 unknown_toUtf8(const ENCODING *enc, const char **fromP, const char *fromLim,
1356                char **toP, const char *toLim)    1356                char **toP, const char *toLim) {
1357   const struct unknown_encoding *uenc = AS_UN    1357   const struct unknown_encoding *uenc = AS_UNKNOWN_ENCODING(enc);
1358   char buf[XML_UTF8_ENCODE_MAX];                 1358   char buf[XML_UTF8_ENCODE_MAX];
1359   for (;;) {                                     1359   for (;;) {
1360     const char *utf8;                            1360     const char *utf8;
1361     int n;                                       1361     int n;
1362     if (*fromP == fromLim)                       1362     if (*fromP == fromLim)
1363       return XML_CONVERT_COMPLETED;              1363       return XML_CONVERT_COMPLETED;
1364     utf8 = uenc->utf8[(unsigned char)**fromP]    1364     utf8 = uenc->utf8[(unsigned char)**fromP];
1365     n = *utf8++;                                 1365     n = *utf8++;
1366     if (n == 0) {                                1366     if (n == 0) {
1367       int c = uenc->convert(uenc->userData, *    1367       int c = uenc->convert(uenc->userData, *fromP);
1368       n = XmlUtf8Encode(c, buf);                 1368       n = XmlUtf8Encode(c, buf);
1369       if (n > toLim - *toP)                      1369       if (n > toLim - *toP)
1370         return XML_CONVERT_OUTPUT_EXHAUSTED;     1370         return XML_CONVERT_OUTPUT_EXHAUSTED;
1371       utf8 = buf;                                1371       utf8 = buf;
1372       *fromP += (AS_NORMAL_ENCODING(enc)->typ    1372       *fromP += (AS_NORMAL_ENCODING(enc)->type[(unsigned char)**fromP]
1373                  - (BT_LEAD2 - 2));              1373                  - (BT_LEAD2 - 2));
1374     } else {                                     1374     } else {
1375       if (n > toLim - *toP)                      1375       if (n > toLim - *toP)
1376         return XML_CONVERT_OUTPUT_EXHAUSTED;     1376         return XML_CONVERT_OUTPUT_EXHAUSTED;
1377       (*fromP)++;                                1377       (*fromP)++;
1378     }                                            1378     }
1379     memcpy(*toP, utf8, n);                       1379     memcpy(*toP, utf8, n);
1380     *toP += n;                                   1380     *toP += n;
1381   }                                              1381   }
1382 }                                                1382 }
1383                                                  1383 
1384 static enum XML_Convert_Result PTRCALL           1384 static enum XML_Convert_Result PTRCALL
1385 unknown_toUtf16(const ENCODING *enc, const ch    1385 unknown_toUtf16(const ENCODING *enc, const char **fromP, const char *fromLim,
1386                 unsigned short **toP, const u    1386                 unsigned short **toP, const unsigned short *toLim) {
1387   const struct unknown_encoding *uenc = AS_UN    1387   const struct unknown_encoding *uenc = AS_UNKNOWN_ENCODING(enc);
1388   while (*fromP < fromLim && *toP < toLim) {     1388   while (*fromP < fromLim && *toP < toLim) {
1389     unsigned short c = uenc->utf16[(unsigned     1389     unsigned short c = uenc->utf16[(unsigned char)**fromP];
1390     if (c == 0) {                                1390     if (c == 0) {
1391       c = (unsigned short)uenc->convert(uenc-    1391       c = (unsigned short)uenc->convert(uenc->userData, *fromP);
1392       *fromP += (AS_NORMAL_ENCODING(enc)->typ    1392       *fromP += (AS_NORMAL_ENCODING(enc)->type[(unsigned char)**fromP]
1393                  - (BT_LEAD2 - 2));              1393                  - (BT_LEAD2 - 2));
1394     } else                                       1394     } else
1395       (*fromP)++;                                1395       (*fromP)++;
1396     *(*toP)++ = c;                               1396     *(*toP)++ = c;
1397   }                                              1397   }
1398                                                  1398 
1399   if ((*toP == toLim) && (*fromP < fromLim))     1399   if ((*toP == toLim) && (*fromP < fromLim))
1400     return XML_CONVERT_OUTPUT_EXHAUSTED;         1400     return XML_CONVERT_OUTPUT_EXHAUSTED;
1401   else                                           1401   else
1402     return XML_CONVERT_COMPLETED;                1402     return XML_CONVERT_COMPLETED;
1403 }                                                1403 }
1404                                                  1404 
1405 ENCODING *                                       1405 ENCODING *
1406 XmlInitUnknownEncoding(void *mem, int *table,    1406 XmlInitUnknownEncoding(void *mem, int *table, CONVERTER convert,
1407                        void *userData) {         1407                        void *userData) {
1408   int i;                                         1408   int i;
1409   struct unknown_encoding *e = (struct unknow    1409   struct unknown_encoding *e = (struct unknown_encoding *)mem;
1410   memcpy(mem, &latin1_encoding, sizeof(struct    1410   memcpy(mem, &latin1_encoding, sizeof(struct normal_encoding));
1411   for (i = 0; i < 128; i++)                      1411   for (i = 0; i < 128; i++)
1412     if (latin1_encoding.type[i] != BT_OTHER      1412     if (latin1_encoding.type[i] != BT_OTHER
1413         && latin1_encoding.type[i] != BT_NONX    1413         && latin1_encoding.type[i] != BT_NONXML && table[i] != i)
1414       return 0;                                  1414       return 0;
1415   for (i = 0; i < 256; i++) {                    1415   for (i = 0; i < 256; i++) {
1416     int c = table[i];                            1416     int c = table[i];
1417     if (c == -1) {                               1417     if (c == -1) {
1418       e->normal.type[i] = BT_MALFORM;            1418       e->normal.type[i] = BT_MALFORM;
1419       /* This shouldn't really get used. */      1419       /* This shouldn't really get used. */
1420       e->utf16[i] = 0xFFFF;                      1420       e->utf16[i] = 0xFFFF;
1421       e->utf8[i][0] = 1;                         1421       e->utf8[i][0] = 1;
1422       e->utf8[i][1] = 0;                         1422       e->utf8[i][1] = 0;
1423     } else if (c < 0) {                          1423     } else if (c < 0) {
1424       if (c < -4)                                1424       if (c < -4)
1425         return 0;                                1425         return 0;
1426       /* Multi-byte sequences need a converte    1426       /* Multi-byte sequences need a converter function */
1427       if (! convert)                             1427       if (! convert)
1428         return 0;                                1428         return 0;
1429       e->normal.type[i] = (unsigned char)(BT_    1429       e->normal.type[i] = (unsigned char)(BT_LEAD2 - (c + 2));
1430       e->utf8[i][0] = 0;                         1430       e->utf8[i][0] = 0;
1431       e->utf16[i] = 0;                           1431       e->utf16[i] = 0;
1432     } else if (c < 0x80) {                       1432     } else if (c < 0x80) {
1433       if (latin1_encoding.type[c] != BT_OTHER    1433       if (latin1_encoding.type[c] != BT_OTHER
1434           && latin1_encoding.type[c] != BT_NO    1434           && latin1_encoding.type[c] != BT_NONXML && c != i)
1435         return 0;                                1435         return 0;
1436       e->normal.type[i] = latin1_encoding.typ    1436       e->normal.type[i] = latin1_encoding.type[c];
1437       e->utf8[i][0] = 1;                         1437       e->utf8[i][0] = 1;
1438       e->utf8[i][1] = (char)c;                   1438       e->utf8[i][1] = (char)c;
1439       e->utf16[i] = (unsigned short)(c == 0 ?    1439       e->utf16[i] = (unsigned short)(c == 0 ? 0xFFFF : c);
1440     } else if (checkCharRefNumber(c) < 0) {      1440     } else if (checkCharRefNumber(c) < 0) {
1441       e->normal.type[i] = BT_NONXML;             1441       e->normal.type[i] = BT_NONXML;
1442       /* This shouldn't really get used. */      1442       /* This shouldn't really get used. */
1443       e->utf16[i] = 0xFFFF;                      1443       e->utf16[i] = 0xFFFF;
1444       e->utf8[i][0] = 1;                         1444       e->utf8[i][0] = 1;
1445       e->utf8[i][1] = 0;                         1445       e->utf8[i][1] = 0;
1446     } else {                                     1446     } else {
1447       if (c > 0xFFFF)                            1447       if (c > 0xFFFF)
1448         return 0;                                1448         return 0;
1449       if (UCS2_GET_NAMING(nmstrtPages, c >> 8    1449       if (UCS2_GET_NAMING(nmstrtPages, c >> 8, c & 0xff))
1450         e->normal.type[i] = BT_NMSTRT;           1450         e->normal.type[i] = BT_NMSTRT;
1451       else if (UCS2_GET_NAMING(namePages, c >    1451       else if (UCS2_GET_NAMING(namePages, c >> 8, c & 0xff))
1452         e->normal.type[i] = BT_NAME;             1452         e->normal.type[i] = BT_NAME;
1453       else                                       1453       else
1454         e->normal.type[i] = BT_OTHER;            1454         e->normal.type[i] = BT_OTHER;
1455       e->utf8[i][0] = (char)XmlUtf8Encode(c,     1455       e->utf8[i][0] = (char)XmlUtf8Encode(c, e->utf8[i] + 1);
1456       e->utf16[i] = (unsigned short)c;           1456       e->utf16[i] = (unsigned short)c;
1457     }                                            1457     }
1458   }                                              1458   }
1459   e->userData = userData;                        1459   e->userData = userData;
1460   e->convert = convert;                          1460   e->convert = convert;
1461   if (convert) {                                 1461   if (convert) {
1462     e->normal.isName2 = unknown_isName;          1462     e->normal.isName2 = unknown_isName;
1463     e->normal.isName3 = unknown_isName;          1463     e->normal.isName3 = unknown_isName;
1464     e->normal.isName4 = unknown_isName;          1464     e->normal.isName4 = unknown_isName;
1465     e->normal.isNmstrt2 = unknown_isNmstrt;      1465     e->normal.isNmstrt2 = unknown_isNmstrt;
1466     e->normal.isNmstrt3 = unknown_isNmstrt;      1466     e->normal.isNmstrt3 = unknown_isNmstrt;
1467     e->normal.isNmstrt4 = unknown_isNmstrt;      1467     e->normal.isNmstrt4 = unknown_isNmstrt;
1468     e->normal.isInvalid2 = unknown_isInvalid;    1468     e->normal.isInvalid2 = unknown_isInvalid;
1469     e->normal.isInvalid3 = unknown_isInvalid;    1469     e->normal.isInvalid3 = unknown_isInvalid;
1470     e->normal.isInvalid4 = unknown_isInvalid;    1470     e->normal.isInvalid4 = unknown_isInvalid;
1471   }                                              1471   }
1472   e->normal.enc.utf8Convert = unknown_toUtf8;    1472   e->normal.enc.utf8Convert = unknown_toUtf8;
1473   e->normal.enc.utf16Convert = unknown_toUtf1    1473   e->normal.enc.utf16Convert = unknown_toUtf16;
1474   return &(e->normal.enc);                       1474   return &(e->normal.enc);
1475 }                                                1475 }
1476                                                  1476 
1477 /* If this enumeration is changed, getEncodin    1477 /* If this enumeration is changed, getEncodingIndex and encodings
1478 must also be changed. */                         1478 must also be changed. */
1479 enum {                                           1479 enum {
1480   UNKNOWN_ENC = -1,                              1480   UNKNOWN_ENC = -1,
1481   ISO_8859_1_ENC = 0,                            1481   ISO_8859_1_ENC = 0,
1482   US_ASCII_ENC,                                  1482   US_ASCII_ENC,
1483   UTF_8_ENC,                                     1483   UTF_8_ENC,
1484   UTF_16_ENC,                                    1484   UTF_16_ENC,
1485   UTF_16BE_ENC,                                  1485   UTF_16BE_ENC,
1486   UTF_16LE_ENC,                                  1486   UTF_16LE_ENC,
1487   /* must match encodingNames up to here */      1487   /* must match encodingNames up to here */
1488   NO_ENC                                         1488   NO_ENC
1489 };                                               1489 };
1490                                                  1490 
1491 static const char KW_ISO_8859_1[]                1491 static const char KW_ISO_8859_1[]
1492     = {ASCII_I, ASCII_S, ASCII_O,     ASCII_M    1492     = {ASCII_I, ASCII_S, ASCII_O,     ASCII_MINUS, ASCII_8, ASCII_8,
1493        ASCII_5, ASCII_9, ASCII_MINUS, ASCII_1    1493        ASCII_5, ASCII_9, ASCII_MINUS, ASCII_1,     '\0'};
1494 static const char KW_US_ASCII[]                  1494 static const char KW_US_ASCII[]
1495     = {ASCII_U, ASCII_S, ASCII_MINUS, ASCII_A    1495     = {ASCII_U, ASCII_S, ASCII_MINUS, ASCII_A, ASCII_S,
1496        ASCII_C, ASCII_I, ASCII_I,     '\0'};     1496        ASCII_C, ASCII_I, ASCII_I,     '\0'};
1497 static const char KW_UTF_8[]                     1497 static const char KW_UTF_8[]
1498     = {ASCII_U, ASCII_T, ASCII_F, ASCII_MINUS    1498     = {ASCII_U, ASCII_T, ASCII_F, ASCII_MINUS, ASCII_8, '\0'};
1499 static const char KW_UTF_16[]                    1499 static const char KW_UTF_16[]
1500     = {ASCII_U, ASCII_T, ASCII_F, ASCII_MINUS    1500     = {ASCII_U, ASCII_T, ASCII_F, ASCII_MINUS, ASCII_1, ASCII_6, '\0'};
1501 static const char KW_UTF_16BE[]                  1501 static const char KW_UTF_16BE[]
1502     = {ASCII_U, ASCII_T, ASCII_F, ASCII_MINUS    1502     = {ASCII_U, ASCII_T, ASCII_F, ASCII_MINUS, ASCII_1,
1503        ASCII_6, ASCII_B, ASCII_E, '\0'};         1503        ASCII_6, ASCII_B, ASCII_E, '\0'};
1504 static const char KW_UTF_16LE[]                  1504 static const char KW_UTF_16LE[]
1505     = {ASCII_U, ASCII_T, ASCII_F, ASCII_MINUS    1505     = {ASCII_U, ASCII_T, ASCII_F, ASCII_MINUS, ASCII_1,
1506        ASCII_6, ASCII_L, ASCII_E, '\0'};         1506        ASCII_6, ASCII_L, ASCII_E, '\0'};
1507                                                  1507 
1508 static int FASTCALL                              1508 static int FASTCALL
1509 getEncodingIndex(const char *name) {             1509 getEncodingIndex(const char *name) {
1510   static const char *const encodingNames[] =     1510   static const char *const encodingNames[] = {
1511       KW_ISO_8859_1, KW_US_ASCII, KW_UTF_8, K    1511       KW_ISO_8859_1, KW_US_ASCII, KW_UTF_8, KW_UTF_16, KW_UTF_16BE, KW_UTF_16LE,
1512   };                                             1512   };
1513   int i;                                         1513   int i;
1514   if (name == NULL)                              1514   if (name == NULL)
1515     return NO_ENC;                               1515     return NO_ENC;
1516   for (i = 0; i < (int)(sizeof(encodingNames)    1516   for (i = 0; i < (int)(sizeof(encodingNames) / sizeof(encodingNames[0])); i++)
1517     if (streqci(name, encodingNames[i]))         1517     if (streqci(name, encodingNames[i]))
1518       return i;                                  1518       return i;
1519   return UNKNOWN_ENC;                            1519   return UNKNOWN_ENC;
1520 }                                                1520 }
1521                                                  1521 
1522 /* For binary compatibility, we store the ind    1522 /* For binary compatibility, we store the index of the encoding
1523    specified at initialization in the isUtf16    1523    specified at initialization in the isUtf16 member.
1524 */                                               1524 */
1525                                                  1525 
1526 #define INIT_ENC_INDEX(enc) ((int)(enc)->init    1526 #define INIT_ENC_INDEX(enc) ((int)(enc)->initEnc.isUtf16)
1527 #define SET_INIT_ENC_INDEX(enc, i) ((enc)->in    1527 #define SET_INIT_ENC_INDEX(enc, i) ((enc)->initEnc.isUtf16 = (char)i)
1528                                                  1528 
1529 /* This is what detects the encoding.  encodi    1529 /* This is what detects the encoding.  encodingTable maps from
1530    encoding indices to encodings; INIT_ENC_IN    1530    encoding indices to encodings; INIT_ENC_INDEX(enc) is the index of
1531    the external (protocol) specified encoding    1531    the external (protocol) specified encoding; state is
1532    XML_CONTENT_STATE if we're parsing an exte    1532    XML_CONTENT_STATE if we're parsing an external text entity, and
1533    XML_PROLOG_STATE otherwise.                   1533    XML_PROLOG_STATE otherwise.
1534 */                                               1534 */
1535                                                  1535 
1536 static int                                       1536 static int
1537 initScan(const ENCODING *const *encodingTable    1537 initScan(const ENCODING *const *encodingTable, const INIT_ENCODING *enc,
1538          int state, const char *ptr, const ch    1538          int state, const char *ptr, const char *end, const char **nextTokPtr) {
1539   const ENCODING **encPtr;                       1539   const ENCODING **encPtr;
1540                                                  1540 
1541   if (ptr >= end)                                1541   if (ptr >= end)
1542     return XML_TOK_NONE;                         1542     return XML_TOK_NONE;
1543   encPtr = enc->encPtr;                          1543   encPtr = enc->encPtr;
1544   if (ptr + 1 == end) {                          1544   if (ptr + 1 == end) {
1545     /* only a single byte available for auto-    1545     /* only a single byte available for auto-detection */
1546 #ifndef XML_DTD /* FIXME */                      1546 #ifndef XML_DTD /* FIXME */
1547     /* a well-formed document entity must hav    1547     /* a well-formed document entity must have more than one byte */
1548     if (state != XML_CONTENT_STATE)              1548     if (state != XML_CONTENT_STATE)
1549       return XML_TOK_PARTIAL;                    1549       return XML_TOK_PARTIAL;
1550 #endif                                           1550 #endif
1551     /* so we're parsing an external text enti    1551     /* so we're parsing an external text entity... */
1552     /* if UTF-16 was externally specified, th    1552     /* if UTF-16 was externally specified, then we need at least 2 bytes */
1553     switch (INIT_ENC_INDEX(enc)) {               1553     switch (INIT_ENC_INDEX(enc)) {
1554     case UTF_16_ENC:                             1554     case UTF_16_ENC:
1555     case UTF_16LE_ENC:                           1555     case UTF_16LE_ENC:
1556     case UTF_16BE_ENC:                           1556     case UTF_16BE_ENC:
1557       return XML_TOK_PARTIAL;                    1557       return XML_TOK_PARTIAL;
1558     }                                            1558     }
1559     switch ((unsigned char)*ptr) {               1559     switch ((unsigned char)*ptr) {
1560     case 0xFE:                                   1560     case 0xFE:
1561     case 0xFF:                                   1561     case 0xFF:
1562     case 0xEF: /* possibly first byte of UTF-    1562     case 0xEF: /* possibly first byte of UTF-8 BOM */
1563       if (INIT_ENC_INDEX(enc) == ISO_8859_1_E    1563       if (INIT_ENC_INDEX(enc) == ISO_8859_1_ENC && state == XML_CONTENT_STATE)
1564         break;                                   1564         break;
1565       /* fall through */                         1565       /* fall through */
1566     case 0x00:                                   1566     case 0x00:
1567     case 0x3C:                                   1567     case 0x3C:
1568       return XML_TOK_PARTIAL;                    1568       return XML_TOK_PARTIAL;
1569     }                                            1569     }
1570   } else {                                       1570   } else {
1571     switch (((unsigned char)ptr[0] << 8) | (u    1571     switch (((unsigned char)ptr[0] << 8) | (unsigned char)ptr[1]) {
1572     case 0xFEFF:                                 1572     case 0xFEFF:
1573       if (INIT_ENC_INDEX(enc) == ISO_8859_1_E    1573       if (INIT_ENC_INDEX(enc) == ISO_8859_1_ENC && state == XML_CONTENT_STATE)
1574         break;                                   1574         break;
1575       *nextTokPtr = ptr + 2;                     1575       *nextTokPtr = ptr + 2;
1576       *encPtr = encodingTable[UTF_16BE_ENC];     1576       *encPtr = encodingTable[UTF_16BE_ENC];
1577       return XML_TOK_BOM;                        1577       return XML_TOK_BOM;
1578     /* 00 3C is handled in the default case *    1578     /* 00 3C is handled in the default case */
1579     case 0x3C00:                                 1579     case 0x3C00:
1580       if ((INIT_ENC_INDEX(enc) == UTF_16BE_EN    1580       if ((INIT_ENC_INDEX(enc) == UTF_16BE_ENC
1581            || INIT_ENC_INDEX(enc) == UTF_16_E    1581            || INIT_ENC_INDEX(enc) == UTF_16_ENC)
1582           && state == XML_CONTENT_STATE)         1582           && state == XML_CONTENT_STATE)
1583         break;                                   1583         break;
1584       *encPtr = encodingTable[UTF_16LE_ENC];     1584       *encPtr = encodingTable[UTF_16LE_ENC];
1585       return XmlTok(*encPtr, state, ptr, end,    1585       return XmlTok(*encPtr, state, ptr, end, nextTokPtr);
1586     case 0xFFFE:                                 1586     case 0xFFFE:
1587       if (INIT_ENC_INDEX(enc) == ISO_8859_1_E    1587       if (INIT_ENC_INDEX(enc) == ISO_8859_1_ENC && state == XML_CONTENT_STATE)
1588         break;                                   1588         break;
1589       *nextTokPtr = ptr + 2;                     1589       *nextTokPtr = ptr + 2;
1590       *encPtr = encodingTable[UTF_16LE_ENC];     1590       *encPtr = encodingTable[UTF_16LE_ENC];
1591       return XML_TOK_BOM;                        1591       return XML_TOK_BOM;
1592     case 0xEFBB:                                 1592     case 0xEFBB:
1593       /* Maybe a UTF-8 BOM (EF BB BF) */         1593       /* Maybe a UTF-8 BOM (EF BB BF) */
1594       /* If there's an explicitly specified (    1594       /* If there's an explicitly specified (external) encoding
1595          of ISO-8859-1 or some flavour of UTF    1595          of ISO-8859-1 or some flavour of UTF-16
1596          and this is an external text entity,    1596          and this is an external text entity,
1597          don't look for the BOM,                 1597          don't look for the BOM,
1598          because it might be a legal data.       1598          because it might be a legal data.
1599       */                                         1599       */
1600       if (state == XML_CONTENT_STATE) {          1600       if (state == XML_CONTENT_STATE) {
1601         int e = INIT_ENC_INDEX(enc);             1601         int e = INIT_ENC_INDEX(enc);
1602         if (e == ISO_8859_1_ENC || e == UTF_1    1602         if (e == ISO_8859_1_ENC || e == UTF_16BE_ENC || e == UTF_16LE_ENC
1603             || e == UTF_16_ENC)                  1603             || e == UTF_16_ENC)
1604           break;                                 1604           break;
1605       }                                          1605       }
1606       if (ptr + 2 == end)                        1606       if (ptr + 2 == end)
1607         return XML_TOK_PARTIAL;                  1607         return XML_TOK_PARTIAL;
1608       if ((unsigned char)ptr[2] == 0xBF) {       1608       if ((unsigned char)ptr[2] == 0xBF) {
1609         *nextTokPtr = ptr + 3;                   1609         *nextTokPtr = ptr + 3;
1610         *encPtr = encodingTable[UTF_8_ENC];      1610         *encPtr = encodingTable[UTF_8_ENC];
1611         return XML_TOK_BOM;                      1611         return XML_TOK_BOM;
1612       }                                          1612       }
1613       break;                                     1613       break;
1614     default:                                     1614     default:
1615       if (ptr[0] == '\0') {                      1615       if (ptr[0] == '\0') {
1616         /* 0 isn't a legal data character. Fu    1616         /* 0 isn't a legal data character. Furthermore a document
1617            entity can only start with ASCII c    1617            entity can only start with ASCII characters.  So the only
1618            way this can fail to be big-endian    1618            way this can fail to be big-endian UTF-16 if it it's an
1619            external parsed general entity tha    1619            external parsed general entity that's labelled as
1620            UTF-16LE.                             1620            UTF-16LE.
1621         */                                       1621         */
1622         if (state == XML_CONTENT_STATE && INI    1622         if (state == XML_CONTENT_STATE && INIT_ENC_INDEX(enc) == UTF_16LE_ENC)
1623           break;                                 1623           break;
1624         *encPtr = encodingTable[UTF_16BE_ENC]    1624         *encPtr = encodingTable[UTF_16BE_ENC];
1625         return XmlTok(*encPtr, state, ptr, en    1625         return XmlTok(*encPtr, state, ptr, end, nextTokPtr);
1626       } else if (ptr[1] == '\0') {               1626       } else if (ptr[1] == '\0') {
1627         /* We could recover here in the case:    1627         /* We could recover here in the case:
1628             - parsing an external entity         1628             - parsing an external entity
1629             - second byte is 0                   1629             - second byte is 0
1630             - no externally specified encodin    1630             - no externally specified encoding
1631             - no encoding declaration            1631             - no encoding declaration
1632            by assuming UTF-16LE.  But we don'    1632            by assuming UTF-16LE.  But we don't, because this would mean when
1633            presented just with a single byte,    1633            presented just with a single byte, we couldn't reliably determine
1634            whether we needed further bytes.      1634            whether we needed further bytes.
1635         */                                       1635         */
1636         if (state == XML_CONTENT_STATE)          1636         if (state == XML_CONTENT_STATE)
1637           break;                                 1637           break;
1638         *encPtr = encodingTable[UTF_16LE_ENC]    1638         *encPtr = encodingTable[UTF_16LE_ENC];
1639         return XmlTok(*encPtr, state, ptr, en    1639         return XmlTok(*encPtr, state, ptr, end, nextTokPtr);
1640       }                                          1640       }
1641       break;                                     1641       break;
1642     }                                            1642     }
1643   }                                              1643   }
1644   *encPtr = encodingTable[INIT_ENC_INDEX(enc)    1644   *encPtr = encodingTable[INIT_ENC_INDEX(enc)];
1645   return XmlTok(*encPtr, state, ptr, end, nex    1645   return XmlTok(*encPtr, state, ptr, end, nextTokPtr);
1646 }                                                1646 }
1647                                                  1647 
1648 #define NS(x) x                                  1648 #define NS(x) x
1649 #define ns(x) x                                  1649 #define ns(x) x
1650 #define XML_TOK_NS_C                             1650 #define XML_TOK_NS_C
1651 #include "xmltok_ns.c"                           1651 #include "xmltok_ns.c"
1652 #undef XML_TOK_NS_C                              1652 #undef XML_TOK_NS_C
1653 #undef NS                                        1653 #undef NS
1654 #undef ns                                        1654 #undef ns
1655                                                  1655 
1656 #ifdef XML_NS                                    1656 #ifdef XML_NS
1657                                                  1657 
1658 #  define NS(x) x##NS                            1658 #  define NS(x) x##NS
1659 #  define ns(x) x##_ns                           1659 #  define ns(x) x##_ns
1660                                                  1660 
1661 #  define XML_TOK_NS_C                           1661 #  define XML_TOK_NS_C
1662 #  include "xmltok_ns.c"                         1662 #  include "xmltok_ns.c"
1663 #  undef XML_TOK_NS_C                            1663 #  undef XML_TOK_NS_C
1664                                                  1664 
1665 #  undef NS                                      1665 #  undef NS
1666 #  undef ns                                      1666 #  undef ns
1667                                                  1667 
1668 ENCODING *                                       1668 ENCODING *
1669 XmlInitUnknownEncodingNS(void *mem, int *tabl    1669 XmlInitUnknownEncodingNS(void *mem, int *table, CONVERTER convert,
1670                          void *userData) {       1670                          void *userData) {
1671   ENCODING *enc = XmlInitUnknownEncoding(mem,    1671   ENCODING *enc = XmlInitUnknownEncoding(mem, table, convert, userData);
1672   if (enc)                                       1672   if (enc)
1673     ((struct normal_encoding *)enc)->type[ASC    1673     ((struct normal_encoding *)enc)->type[ASCII_COLON] = BT_COLON;
1674   return enc;                                    1674   return enc;
1675 }                                                1675 }
1676                                                  1676 
1677 #endif /* XML_NS */                              1677 #endif /* XML_NS */
1678                                                  1678