Geant4/externals/g4tools/include/tools/fileis

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Geant4/externals/g4tools/include/tools/fileis

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  1 // Copyright (C) 2010, Guy Barrand. All rights reserved.
  2 // See the file tools.license for terms.
  3 
  4 #ifndef tools_fileis
  5 #define tools_fileis
  6 
  7 #include "signature"
  8 #include <cstring>
  9 
 10 namespace tools {
 11 namespace file {
 12 
 13 inline bool is_zip(const std::string& a_file,bool& a_is){
 14   unsigned char head[4];
 15  {unsigned int num = 4;
 16   if(!signature(a_file,head,num)) {a_is = false;return false;}
 17   if(num!=4) {a_is = false;return true;}}
 18   if(head[0]!='P') {a_is = false;return true;}
 19   if(head[1]!='K') {a_is = false;return true;}
 20   if(head[2]!=3) {a_is = false;return true;}
 21   if(head[3]!=4) {a_is = false;return true;}
 22   a_is = true;
 23   return true;
 24 }
 25 
 26 inline bool is_jpeg(const std::string& a_file,bool& a_is){
 27   unsigned char head[4];
 28  {unsigned int num = 4;
 29   if(!signature(a_file,head,num)) {a_is = false;return false;}
 30   if(num!=4) {a_is = false;return true;}}
 31   if(head[0]!=255) {a_is = false;return true;}
 32   if(head[1]!=216) {a_is = false;return true;}
 33   if(head[2]!=255) {a_is = false;return true;}
 34   //if(head[3]!=224) {a_is = false;return true;} //LRI.jpg is 225 !
 35   a_is = true;
 36   return true;
 37 }
 38 
 39 inline bool is_ico(const std::string& a_file,bool& a_is){
 40   unsigned char head[4];
 41  {unsigned int num = 4;
 42   if(!signature(a_file,head,num)) {a_is = false;return false;}
 43   if(num!=4) {a_is = false;return true;}}
 44   if(head[0]!=0) {a_is = false;return true;}
 45   if(head[1]!=0) {a_is = false;return true;}
 46   if(head[2]!=1) {a_is = false;return true;}
 47   if(head[3]!=0) {a_is = false;return true;}
 48   a_is = true;
 49   return true;
 50 }
 51 
 52 inline bool is_png(const std::string& a_file,bool& a_is){
 53   unsigned char head[4];
 54  {unsigned int num = 4;
 55   if(!signature(a_file,head,num)) {a_is = false;return false;}
 56   if(num!=4) {a_is = false;return true;}}
 57   if(head[0]!=137) {a_is = false;return true;}
 58   if(head[1]!='P') {a_is = false;return true;}
 59   if(head[2]!='N') {a_is = false;return true;}
 60   if(head[3]!='G') {a_is = false;return true;}
 61   a_is = true;
 62   return true;
 63 }
 64 
 65 inline bool is_root(const std::string& a_file,bool& a_is){
 66   unsigned char head[4];
 67  {unsigned int num = 4;
 68   if(!signature(a_file,head,num)) {a_is = false;return false;}
 69   if(num!=4) {a_is = false;return true;}}
 70   if(head[0]!='r') {a_is = false;return true;}
 71   if(head[1]!='o') {a_is = false;return true;}
 72   if(head[2]!='o') {a_is = false;return true;}
 73   if(head[3]!='t') {a_is = false;return true;}
 74   a_is = true;
 75   return true;
 76 }
 77 
 78 inline bool is_iv(const std::string& a_file,bool& a_is){
 79   unsigned char head[9];
 80  {unsigned int num = 9;
 81   if(!signature(a_file,head,num)) {a_is = false;return false;}
 82   if(num!=9) {a_is = false;return true;}}
 83   if(head[0]!='#') {a_is = false;return true;}
 84   if(head[1]!='I') {a_is = false;return true;}
 85   if(head[2]!='n') {a_is = false;return true;}
 86   if(head[3]!='v') {a_is = false;return true;}
 87   if(head[4]!='e') {a_is = false;return true;}
 88   if(head[5]!='n') {a_is = false;return true;}
 89   if(head[6]!='t') {a_is = false;return true;}
 90   if(head[7]!='o') {a_is = false;return true;}
 91   if(head[8]!='r') {a_is = false;return true;}
 92   a_is = true;
 93   return true;
 94 }
 95 
 96 inline bool is_wrl(const std::string& a_file,bool& a_is){
 97   unsigned char head[5];
 98  {unsigned int num = 5;
 99   if(!signature(a_file,head,num)) {a_is = false;return false;}
100   if(num!=5) {a_is = false;return true;}}
101   if(head[0]!='#') {a_is = false;return true;}
102   if(head[1]!='V') {a_is = false;return true;}
103   if(head[2]!='R') {a_is = false;return true;}
104   if(head[3]!='M') {a_is = false;return true;}
105   if(head[4]!='L') {a_is = false;return true;}
106   a_is = true;
107   return true;
108 }
109 
110 inline bool is_fog(const std::string& a_file,bool& a_is){
111   unsigned char head[256];
112  {unsigned int num = 256;
113   if(!signature(a_file,head,num)) {a_is = false;return false;}
114   if(num!=256) {a_is = false;return true;}}
115   head[255] = 0; //to have a C string.
116   a_is = ::strstr((const char*)head,"#nb super-volumes")?true:false;
117   return true;
118 }
119 
120 inline bool is_dot(const std::string& a_file,bool& a_is){
121   unsigned char head[8];
122  {unsigned int num = 7;
123   if(!signature(a_file,head,num)) {a_is = false;return false;}
124   if(num!=7) {a_is = false;return true;}}
125   head[7] = 0; //to have a C string.
126   a_is = ::strcmp((const char*)head,"digraph")?false:true;
127   return true;
128 }
129 
130 inline bool is_dcm(const std::string& a_file,bool& a_is){
131   unsigned char head[132];
132  {unsigned int num = 132;
133   if(!signature(a_file,head,num)) {a_is = false;return false;}
134   if(num!=132) {a_is = false;return true;}}
135   if(head[128]!='D') {a_is = false;return true;}
136   if(head[129]!='I') {a_is = false;return true;}
137   if(head[130]!='C') {a_is = false;return true;}
138   if(head[131]!='M') {a_is = false;return true;}
139   a_is = true;
140   return true;
141 }
142 
143 inline bool is_gdml(const std::string& a_file,bool& a_is){
144   //NOTE : it assumes that the file is not compressed.
145   unsigned char head[1024];
146  {unsigned int num = 1024;
147   if(!signature(a_file,head,num)) {a_is = false;return false;}
148   if(num!=1024) {a_is = false;return true;}}
149   head[1023] = 0; //to have a C string.
150   a_is = ::strstr((const char*)head,"<gdml")?true:false;
151   return true;
152 }
153 
154 inline bool is_exsg(unsigned int a_sz,const char* a_buffer){
155   if(a_sz<5) return false;
156   if(a_buffer[0]!='<') return false;
157   if(a_buffer[1]!='e') return false;
158   if(a_buffer[2]!='x') return false;
159   if(a_buffer[3]!='s') return false;
160   if(a_buffer[4]!='g') return false;
161   return true;
162 }
163 
164 inline bool is_exsg(const std::string& a_file,bool& a_is){
165   unsigned char head[5];
166  {unsigned int num = 5;
167   if(!signature(a_file,head,num)) {a_is = false;return false;}
168   if(num!=5) {a_is = false;return true;}}
169   a_is = is_exsg(5,(const char*)head);
170   return true;
171 }
172 
173 inline bool is_bsg(unsigned int a_sz,const char* a_buffer){
174   if(a_sz<7) return false;
175   if(a_buffer[0]!='i') return false;
176   if(a_buffer[1]!='n') return false;
177   if(a_buffer[2]!='e') return false;
178   if(a_buffer[3]!='x') return false;
179   if(a_buffer[4]!='b') return false;
180   if(a_buffer[5]!='s') return false;
181   if(a_buffer[6]!='g') return false;
182   return true;
183 }
184 
185 inline bool is_bsg(const std::string& a_file,bool& a_is){
186   unsigned char head[7];
187  {unsigned int num = 7;
188   if(!signature(a_file,head,num)) {a_is = false;return false;}
189   if(num!=7) {a_is = false;return true;}}
190   a_is = is_bsg(7,(const char*)head);
191   return true;
192 }
193 
194 inline bool is_scenarios(const std::string& a_file,bool& a_is){
195   unsigned char head[10];
196  {unsigned int num = 10;
197   if(!signature(a_file,head,num)) {a_is = false;return false;}
198   if(num!=10) {a_is = false;return true;}}
199   if(head[0]!='<') {a_is = false;return true;}
200   if(head[1]!='s') {a_is = false;return true;}
201   if(head[2]!='c') {a_is = false;return true;}
202   if(head[3]!='e') {a_is = false;return true;}
203   if(head[4]!='n') {a_is = false;return true;}
204   if(head[5]!='a') {a_is = false;return true;}
205   if(head[6]!='r') {a_is = false;return true;}
206   if(head[7]!='i') {a_is = false;return true;}
207   if(head[8]!='o') {a_is = false;return true;}
208   if(head[9]!='s') {a_is = false;return true;}
209   a_is = true;
210   return true;
211 }
212 
213 inline bool is_slides(const std::string& a_file,bool& a_is){
214   unsigned char head[7];
215  {unsigned int num = 7;
216   if(!signature(a_file,head,num)) {a_is = false;return false;}
217   if(num!=7) {a_is = false;return true;}}
218   if(head[0]!='<') {a_is = false;return true;}
219   if(head[1]!='s') {a_is = false;return true;}
220   if(head[2]!='l') {a_is = false;return true;}
221   if(head[3]!='i') {a_is = false;return true;}
222   if(head[4]!='d') {a_is = false;return true;}
223   if(head[5]!='e') {a_is = false;return true;}
224   if(head[6]!='s') {a_is = false;return true;}
225   a_is = true;
226   return true;
227 }
228 
229 inline bool is_fits(const std::string& a_file,bool& a_is){
230   unsigned char head[6];
231  {unsigned int num = 6;
232   if(!signature(a_file,head,num)) {a_is = false;return false;}
233   if(num!=6) {a_is = false;return true;}}
234   if(head[0]!='S') {a_is = false;return true;}
235   if(head[1]!='I') {a_is = false;return true;}
236   if(head[2]!='M') {a_is = false;return true;}
237   if(head[3]!='P') {a_is = false;return true;}
238   if(head[4]!='L') {a_is = false;return true;}
239   if(head[5]!='E') {a_is = false;return true;}
240   a_is = true;
241   return true;
242 }
243 
244 inline bool is_hdf(const std::string& a_file,bool& a_is){
245   unsigned char head[4];
246  {unsigned int num = 4;
247   if(!signature(a_file,head,num)) {a_is = false;return false;}
248   if(num!=4) {a_is = false;return true;}}
249   if(head[0]!=137) {a_is = false;return true;}
250   if(head[1]!='H') {a_is = false;return true;}
251   if(head[2]!='D') {a_is = false;return true;}
252   if(head[3]!='F') {a_is = false;return true;}
253   a_is = true;
254   return true;
255 }
256 
257 inline bool is_ps(const std::string& a_file,bool& a_is){
258   unsigned char head[4];
259  {unsigned int num = 4;
260   if(!signature(a_file,head,num)) {a_is = false;return false;}
261   if(num!=4) {a_is = false;return true;}}
262   if(head[0]!='%') {a_is = false;return true;}
263   if(head[1]!='!') {a_is = false;return true;}
264   if(head[2]!='P') {a_is = false;return true;}
265   if(head[3]!='S') {a_is = false;return true;}
266   a_is = true;
267   return true;
268 }
269 
270 inline bool is_simbad(const std::string& a_file,bool& a_is){
271   unsigned char head[10];
272  {unsigned int num = 10;
273   if(!signature(a_file,head,num)) {a_is = false;return false;}
274   if(num!=10) {a_is = false;return true;}}
275   if(head[0]!=':') {a_is = false;return true;}
276   if(head[1]!=':') {a_is = false;return true;}
277   if(head[2]!='s') {a_is = false;return true;}
278   if(head[3]!='c') {a_is = false;return true;}
279   if(head[4]!='r') {a_is = false;return true;}
280   if(head[5]!='i') {a_is = false;return true;}
281   if(head[6]!='p') {a_is = false;return true;}
282   if(head[7]!='t') {a_is = false;return true;}
283   if(head[8]!=':') {a_is = false;return true;}
284   if(head[9]!=':') {a_is = false;return true;}
285   a_is = true;
286   return true;
287 }
288 
289 }}
290 
291 #include "fsize"
292 
293 namespace tools {
294 namespace file {
295 
296 inline bool is_aida(const std::string& a_file,bool& a_is){
297   long sz;
298   if(!size(a_file,sz)) {a_is = false;return false;}
299 
300   //NOTE : it assumes that the file is not compressed.
301   unsigned char head[1024];
302  {unsigned int num = 1024;
303   if(!signature(a_file,head,num)) {a_is = false;return false;}
304   if(num!=1024) {a_is = false;return true;}}
305   head[1023] = 0; //to have a C string.
306   a_is = ::strstr((const char*)head,"<aida")?true:false;
307   return true;
308 }
309 
310 inline bool is_jive(const std::string& a_file,bool& a_is){
311   long sz;
312   if(!size(a_file,sz)) {a_is = false;return false;}
313 
314   //NOTE : it assumes that the file is not compressed.
315   unsigned char head[1024];
316  {unsigned int num = 1024;
317   if(!signature(a_file,head,num)) {a_is = false;return false;}
318   if(num!=1024) {a_is = false;return true;}}
319   head[1023] = 0; //to have a C string.
320   if(::strstr((const char*)head,"<?ATLAS")) {a_is = true;return true;}
321   a_is = ::strstr((const char*)head,"<!DOCTYPE Event")?true:false;
322   return true;
323 }
324 
325 inline bool is_heprep(const std::string& a_file,bool& a_is){
326   long sz;
327   if(!size(a_file,sz)) {a_is = false;return false;}
328 
329   //NOTE : it assumes that the file is not compressed.
330   unsigned char head[1024];
331  {unsigned int num = 1024;
332   if(!signature(a_file,head,num)) {a_is = false;return false;}
333   if(num!=1024) {a_is = false;return true;}}
334   head[1023] = 0; //to have a C string.
335   a_is = ::strstr((const char*)head,"<heprep")?true:false;
336   return true;
337 }
338 
339 }}
340 
341 #include <climits>
342 
343 namespace tools {
344 namespace file {
345 
346 inline bool is_shp(const std::string& a_file,bool& a_is){
347   long sz;
348   if(!size(a_file,sz)) {a_is = false;return false;}
349   // below logic from shapelib-1.5.0/shpopen.c.
350   unsigned char head[100];
351  {unsigned int num = 100;
352   if(!signature(a_file,head,num)) {a_is = false;return false;}
353   if(num!=100) {a_is = false;return true;}}
354   unsigned int _sz = (static_cast<unsigned int>(head[24])<<24)|(head[25]<<16)|(head[26]<<8)|head[27];
355   if(_sz<(UINT_MAX/2)) _sz *= 2;
356   else                 _sz = (UINT_MAX/2)*2;
357   a_is = sz==long(_sz)?true:false;
358   return true;
359 }
360 
361 }}
362 
363 #endif
Cross-Referencing Geant4 Geant4/externals/g4tools/include/tools/fileis

Cross-Referencing Geant4
Geant4/externals/g4tools/include/tools/fileis
