… | |
… | |
23 | #include <stdlib.h> |
23 | #include <stdlib.h> |
24 | #include <math.h> |
24 | #include <math.h> |
25 | |
25 | |
26 | #include "parse_routines.h" |
26 | #include "parse_routines.h" |
27 | #include "error.h" |
27 | #include "error.h" |
|
|
28 | #include "unicode.h" |
28 | |
29 | |
29 | #ifdef DMALLOC |
30 | #ifdef DMALLOC |
30 | #include <dmalloc.h> |
31 | #include <dmalloc.h> |
31 | #endif |
32 | #endif |
32 | |
33 | |
33 | static psiconv_float_t pow2(int n); |
34 | static psiconv_float_t pow2(int n); |
|
|
35 | static psiconv_string_t psiconv_read_string_aux(const psiconv_config config, |
|
|
36 | const psiconv_buffer buf,int lev, |
|
|
37 | psiconv_u32 off,int *length, int *status, |
|
|
38 | int kind); |
34 | |
39 | |
35 | /* Very inefficient, but good enough for now. By implementing it ourselves, |
40 | /* Very inefficient, but good enough for now. By implementing it ourselves, |
36 | we do not have to link with -lm */ |
41 | we do not have to link with -lm */ |
37 | psiconv_float_t pow2(int n) |
42 | psiconv_float_t pow2(int n) |
38 | { |
43 | { |
… | |
… | |
48 | int *status) |
53 | int *status) |
49 | { |
54 | { |
50 | psiconv_u8 *ptr; |
55 | psiconv_u8 *ptr; |
51 | ptr = psiconv_buffer_get(buf,off); |
56 | ptr = psiconv_buffer_get(buf,off); |
52 | if (!ptr) { |
57 | if (!ptr) { |
53 | psiconv_warn(config,lev,off,"Trying byte read past the end of the file"); |
58 | psiconv_error(config,lev,off,"Trying byte read past the end of the file"); |
54 | if (status) |
59 | if (status) |
55 | *status = -PSICONV_E_PARSE; |
60 | *status = -PSICONV_E_PARSE; |
56 | return 0; |
61 | return 0; |
57 | } |
62 | } |
58 | if (status) |
63 | if (status) |
… | |
… | |
65 | { |
70 | { |
66 | psiconv_u8 *ptr0,*ptr1; |
71 | psiconv_u8 *ptr0,*ptr1; |
67 | ptr0 = psiconv_buffer_get(buf,off); |
72 | ptr0 = psiconv_buffer_get(buf,off); |
68 | ptr1 = psiconv_buffer_get(buf,off+1); |
73 | ptr1 = psiconv_buffer_get(buf,off+1); |
69 | if (!ptr0 || !ptr1) { |
74 | if (!ptr0 || !ptr1) { |
70 | psiconv_warn(config,lev,off,"Trying word read past the end of the file"); |
75 | psiconv_error(config,lev,off,"Trying word read past the end of the file"); |
71 | if (status) |
76 | if (status) |
72 | *status = -PSICONV_E_PARSE; |
77 | *status = -PSICONV_E_PARSE; |
73 | return 0; |
78 | return 0; |
74 | } |
79 | } |
75 | if (status) |
80 | if (status) |
… | |
… | |
84 | ptr0 = psiconv_buffer_get(buf,off); |
89 | ptr0 = psiconv_buffer_get(buf,off); |
85 | ptr1 = psiconv_buffer_get(buf,off+1); |
90 | ptr1 = psiconv_buffer_get(buf,off+1); |
86 | ptr2 = psiconv_buffer_get(buf,off+2); |
91 | ptr2 = psiconv_buffer_get(buf,off+2); |
87 | ptr3 = psiconv_buffer_get(buf,off+3); |
92 | ptr3 = psiconv_buffer_get(buf,off+3); |
88 | if (!ptr0 || !ptr1 || !ptr2 || !ptr3) { |
93 | if (!ptr0 || !ptr1 || !ptr2 || !ptr3) { |
89 | psiconv_warn(config,lev,off,"Trying long read past the end of the file"); |
94 | psiconv_error(config,lev,off,"Trying long read past the end of the file"); |
90 | if (status) |
95 | if (status) |
91 | *status = -PSICONV_E_PARSE; |
96 | *status = -PSICONV_E_PARSE; |
92 | return 0; |
97 | return 0; |
93 | } |
98 | } |
94 | if (status) |
99 | if (status) |
… | |
… | |
109 | *length = localstatus?0:4; |
114 | *length = localstatus?0:4; |
110 | |
115 | |
111 | return localstatus?0:(temp & 0x7fffffff)*(temp&0x80000000?-1:1); |
116 | return localstatus?0:(temp & 0x7fffffff)*(temp&0x80000000?-1:1); |
112 | } |
117 | } |
113 | |
118 | |
114 | psiconv_S_t psiconv_read_S(const psiconv_config config,const psiconv_buffer buf, int lev, psiconv_u32 off, |
119 | psiconv_u32 psiconv_read_S(const psiconv_config config,const psiconv_buffer buf, int lev, psiconv_u32 off, |
115 | int *length,int *status) |
120 | int *length,int *status) |
116 | { |
121 | { |
117 | psiconv_u8 temp; |
122 | psiconv_u8 temp; |
118 | psiconv_S_t res; |
123 | psiconv_u32 res; |
119 | int len,localstatus; |
124 | int len,localstatus; |
120 | |
125 | |
121 | psiconv_progress(config,lev+1,off,"Going to read a S length indicator"); |
126 | psiconv_progress(config,lev+1,off,"Going to read a S length indicator"); |
122 | temp = psiconv_read_u8(config,buf,lev+2,off,&localstatus); |
127 | temp = psiconv_read_u8(config,buf,lev+2,off,&localstatus); |
123 | if (localstatus) |
128 | if (localstatus) |
… | |
… | |
133 | if (localstatus) |
138 | if (localstatus) |
134 | goto ERROR; |
139 | goto ERROR; |
135 | len = 2; |
140 | len = 2; |
136 | psiconv_debug(config,lev+2,off,"Indicator (2 bytes): %04x",res); |
141 | psiconv_debug(config,lev+2,off,"Indicator (2 bytes): %04x",res); |
137 | } else { |
142 | } else { |
138 | psiconv_warn(config,lev+2,off,"S indicator: unknown encoding!"); |
143 | psiconv_error(config,lev+2,off,"S indicator: unknown encoding!"); |
139 | psiconv_debug(config,lev+2,off,"Raw data first byte: %02x",temp); |
144 | psiconv_debug(config,lev+2,off,"Raw data first byte: %02x",temp); |
140 | goto ERROR; |
145 | goto ERROR; |
141 | } |
146 | } |
142 | |
147 | |
143 | if (length) |
148 | if (length) |
… | |
… | |
149 | "End of S length indicator (total length: %08x)", len); |
154 | "End of S length indicator (total length: %08x)", len); |
150 | |
155 | |
151 | return res; |
156 | return res; |
152 | |
157 | |
153 | ERROR: |
158 | ERROR: |
154 | psiconv_warn(config,lev+1,off,"Reading of S indicator failed"); |
159 | psiconv_error(config,lev+1,off,"Reading of S indicator failed"); |
155 | if (status) |
160 | if (status) |
156 | *status = localstatus; |
161 | *status = localstatus; |
157 | if (length) |
162 | if (length) |
158 | *length = 0; |
163 | *length = 0; |
159 | return 0; |
164 | return 0; |
160 | } |
165 | } |
161 | |
166 | |
162 | psiconv_X_t psiconv_read_X(const psiconv_config config,const psiconv_buffer buf, int lev, psiconv_u32 off, |
167 | psiconv_u32 psiconv_read_X(const psiconv_config config,const psiconv_buffer buf, int lev, psiconv_u32 off, |
163 | int *length, int *status) |
168 | int *length, int *status) |
164 | { |
169 | { |
165 | psiconv_u8 temp; |
170 | psiconv_u8 temp; |
166 | psiconv_X_t res; |
171 | psiconv_u32 res; |
167 | int len,localstatus; |
172 | int len,localstatus; |
168 | |
173 | |
169 | psiconv_progress(config,lev+1,off,"Going to read a X length indicator"); |
174 | psiconv_progress(config,lev+1,off,"Going to read a X length indicator"); |
170 | temp = psiconv_read_u8(config,buf,lev+2,off,&localstatus); |
175 | temp = psiconv_read_u8(config,buf,lev+2,off,&localstatus); |
171 | if (localstatus) |
176 | if (localstatus) |
… | |
… | |
187 | if (localstatus) |
192 | if (localstatus) |
188 | goto ERROR; |
193 | goto ERROR; |
189 | len = 4; |
194 | len = 4; |
190 | psiconv_debug(config,lev+2,off,"Indicator (4 bytes): %08x",res); |
195 | psiconv_debug(config,lev+2,off,"Indicator (4 bytes): %08x",res); |
191 | } else { |
196 | } else { |
192 | psiconv_warn(config,lev+2,off,"X indicator: unknown encoding!"); |
197 | psiconv_error(config,lev+2,off,"X indicator: unknown encoding!"); |
193 | psiconv_debug(config,lev+2,off,"Raw data first byte: %02x",temp); |
198 | psiconv_debug(config,lev+2,off,"Raw data first byte: %02x",temp); |
194 | goto ERROR; |
199 | goto ERROR; |
195 | } |
200 | } |
196 | |
201 | |
197 | if (length) |
202 | if (length) |
… | |
… | |
203 | "End of X length indicator (total length: %08x)", len); |
208 | "End of X length indicator (total length: %08x)", len); |
204 | |
209 | |
205 | return res; |
210 | return res; |
206 | |
211 | |
207 | ERROR: |
212 | ERROR: |
208 | psiconv_warn(config,lev+1,off,"Reading of X indicator failed"); |
213 | psiconv_error(config,lev+1,off,"Reading of X indicator failed"); |
209 | if (status) |
214 | if (status) |
210 | *status = localstatus; |
215 | *status = localstatus; |
211 | if (length) |
216 | if (length) |
212 | *length = 0; |
217 | *length = 0; |
213 | return 0; |
218 | return 0; |
… | |
… | |
220 | int localstatus; |
225 | int localstatus; |
221 | |
226 | |
222 | res = (2.54/1440.0) * ((psiconv_s32) psiconv_read_u32(config,buf,lev,off, |
227 | res = (2.54/1440.0) * ((psiconv_s32) psiconv_read_u32(config,buf,lev,off, |
223 | &localstatus)); |
228 | &localstatus)); |
224 | if (localstatus) { |
229 | if (localstatus) { |
225 | psiconv_warn(config,lev+1,off,"Reading of length failed"); |
230 | psiconv_error(config,lev+1,off,"Reading of length failed"); |
226 | if (length) |
231 | if (length) |
227 | *length = 0; |
232 | *length = 0; |
228 | if (status) |
233 | if (status) |
229 | *status = localstatus; |
234 | *status = localstatus; |
230 | return 0; |
235 | return 0; |
… | |
… | |
242 | { |
247 | { |
243 | psiconv_size_t res; |
248 | psiconv_size_t res; |
244 | int localstatus; |
249 | int localstatus; |
245 | res = ((psiconv_s32) psiconv_read_u32(config,buf,lev,off,&localstatus)) / 20.0; |
250 | res = ((psiconv_s32) psiconv_read_u32(config,buf,lev,off,&localstatus)) / 20.0; |
246 | if (localstatus) { |
251 | if (localstatus) { |
247 | psiconv_warn(config,lev+1,off,"Reading of size failed"); |
252 | psiconv_error(config,lev+1,off,"Reading of size failed"); |
248 | if (length) |
253 | if (length) |
249 | *length = 0; |
254 | *length = 0; |
250 | if (status) |
255 | if (status) |
251 | *status = localstatus; |
256 | *status = localstatus; |
252 | return 0; |
257 | return 0; |
… | |
… | |
264 | { |
269 | { |
265 | psiconv_u8 temp; |
270 | psiconv_u8 temp; |
266 | int localstatus; |
271 | int localstatus; |
267 | temp = psiconv_read_u8(config,buf,lev,off,&localstatus); |
272 | temp = psiconv_read_u8(config,buf,lev,off,&localstatus); |
268 | if (localstatus) { |
273 | if (localstatus) { |
269 | psiconv_warn(config,lev+1,off,"Reading of bool failed"); |
274 | psiconv_error(config,lev+1,off,"Reading of bool failed"); |
270 | if (length) |
275 | if (length) |
271 | *length = 0; |
276 | *length = 0; |
272 | return localstatus; |
277 | return localstatus; |
273 | } |
278 | } |
274 | if (length) |
279 | if (length) |
… | |
… | |
284 | psiconv_debug(config,lev+1,off,"Boolean value: %02x",temp); |
289 | psiconv_debug(config,lev+1,off,"Boolean value: %02x",temp); |
285 | *result = psiconv_bool_true; |
290 | *result = psiconv_bool_true; |
286 | return 0; |
291 | return 0; |
287 | } |
292 | } |
288 | |
293 | |
289 | psiconv_string_t psiconv_read_string(const psiconv_config config,const psiconv_buffer buf,int lev, |
294 | psiconv_string_t psiconv_read_string(const psiconv_config config, |
|
|
295 | const psiconv_buffer buf,int lev, |
290 | psiconv_u32 off,int *length, int *status) |
296 | psiconv_u32 off,int *length, int *status) |
|
|
297 | { |
|
|
298 | return psiconv_read_string_aux(config,buf,lev,off,length,status,-1); |
|
|
299 | } |
|
|
300 | |
|
|
301 | psiconv_string_t psiconv_read_short_string(const psiconv_config config, |
|
|
302 | const psiconv_buffer buf,int lev, |
|
|
303 | psiconv_u32 off,int *length, int *status) |
|
|
304 | { |
|
|
305 | return psiconv_read_string_aux(config,buf,lev,off,length,status,-2); |
|
|
306 | } |
|
|
307 | |
|
|
308 | psiconv_string_t psiconv_read_charlist(const psiconv_config config, |
|
|
309 | const psiconv_buffer buf, int lev, |
|
|
310 | psiconv_u32 off, int nrofchars, |
|
|
311 | int *status) |
|
|
312 | { |
|
|
313 | int length; |
|
|
314 | if (nrofchars <= 0) { |
|
|
315 | psiconv_error(config,lev,off, |
|
|
316 | "psiconv_read_charlist called with non-positive nrofchars"); |
|
|
317 | if (status) |
|
|
318 | *status = -PSICONV_E_OTHER; |
|
|
319 | return NULL; |
|
|
320 | } |
|
|
321 | return psiconv_read_string_aux(config,buf,lev,off,&length,status,nrofchars); |
|
|
322 | } |
|
|
323 | |
|
|
324 | |
|
|
325 | psiconv_string_t psiconv_read_string_aux(const psiconv_config config, |
|
|
326 | const psiconv_buffer buf,int lev, |
|
|
327 | psiconv_u32 off,int *length, int *status, |
|
|
328 | int kind) |
291 | { |
329 | { |
292 | int stringlen,i,leng,len,localstatus; |
330 | int stringlen,i,leng,len,localstatus; |
293 | psiconv_string_t result; |
331 | psiconv_string_t result; |
294 | char *res_copy; |
332 | char *res_copy; |
|
|
333 | psiconv_u8 temp; |
295 | |
334 | |
296 | psiconv_progress(config,lev+1,off,"Going to read a string"); |
335 | psiconv_progress(config,lev+1,off,"Going to read a string"); |
297 | |
336 | |
|
|
337 | if (kind == -1) |
298 | stringlen = psiconv_read_S(config,buf,lev+2,off,&leng,&localstatus); |
338 | stringlen = psiconv_read_S(config,buf,lev+2,off,&leng,&localstatus); |
|
|
339 | else if (kind == -2) { |
|
|
340 | stringlen = psiconv_read_u8(config,buf,lev+2,off,&localstatus); |
|
|
341 | leng = 1; |
|
|
342 | } else { |
|
|
343 | stringlen = kind; |
|
|
344 | leng = 0; |
|
|
345 | localstatus = 0; |
|
|
346 | } |
299 | if (localstatus) |
347 | if (localstatus) |
300 | goto ERROR1; |
348 | goto ERROR1; |
301 | psiconv_debug(config,lev+2,off,"Length: %i",stringlen); |
349 | psiconv_debug(config,lev+2,off,"Length: %i",stringlen); |
302 | len = leng; |
350 | len = leng; |
303 | |
351 | |
304 | result = malloc(stringlen + 1); |
352 | result = malloc(sizeof(*result) * (stringlen + 1)); |
305 | if (!result) |
353 | if (!result) |
306 | goto ERROR1; |
354 | goto ERROR1; |
307 | for (i = 0; (i < stringlen) && !localstatus; i++) |
355 | for (i = 0; i < stringlen; i++) { |
308 | result[i] = psiconv_read_u8(config,buf,lev,off+i+len,&localstatus); |
356 | temp = psiconv_read_u8(config,buf,lev,off+i+len,&localstatus); |
309 | if (localstatus) |
357 | if (localstatus) |
310 | goto ERROR2; |
358 | goto ERROR2; |
|
|
359 | result[i] = psiconv_unicode_from_char(config,temp); |
|
|
360 | } |
311 | result[stringlen] = 0; |
361 | result[stringlen] = 0; |
312 | len += stringlen; |
362 | len += stringlen; |
313 | |
363 | |
314 | res_copy = psiconv_make_printable(result); |
364 | res_copy = psiconv_make_printable(config,result); |
315 | if (!res_copy) |
365 | if (!res_copy) |
316 | goto ERROR2; |
366 | goto ERROR2; |
317 | psiconv_debug(config,lev+2,off,"Contents: `%s'",res_copy); |
367 | psiconv_debug(config,lev+2,off,"Contents: `%s'",res_copy); |
318 | free(res_copy); |
368 | free(res_copy); |
319 | |
369 | |
… | |
… | |
328 | return result; |
378 | return result; |
329 | |
379 | |
330 | ERROR2: |
380 | ERROR2: |
331 | free(result); |
381 | free(result); |
332 | ERROR1: |
382 | ERROR1: |
333 | psiconv_warn(config,lev+1,off,"Reading of string failed"); |
383 | psiconv_error(config,lev+1,off,"Reading of string failed"); |
334 | if (status) |
|
|
335 | *status = localstatus; |
|
|
336 | if (length) |
|
|
337 | *length = 0; |
|
|
338 | return NULL; |
|
|
339 | } |
|
|
340 | |
|
|
341 | psiconv_string_t psiconv_read_short_string(const psiconv_config config, const psiconv_buffer buf, |
|
|
342 | int lev, |
|
|
343 | psiconv_u32 off,int *length, int *status) |
|
|
344 | { |
|
|
345 | int stringlen,i,len,localstatus; |
|
|
346 | psiconv_string_t result; |
|
|
347 | char *res_copy; |
|
|
348 | |
|
|
349 | psiconv_progress(config,lev+1,off,"Going to read a short string"); |
|
|
350 | |
|
|
351 | stringlen = psiconv_read_u8(config,buf,lev+2,off,&localstatus); |
|
|
352 | if (localstatus) |
|
|
353 | goto ERROR1; |
|
|
354 | psiconv_debug(config,lev+2,off,"Length: %i",stringlen); |
|
|
355 | len = 1; |
|
|
356 | |
|
|
357 | result = malloc(stringlen + 1); |
|
|
358 | if (!result) |
|
|
359 | goto ERROR1; |
|
|
360 | for (i = 0; (i < stringlen) && !localstatus; i++) |
|
|
361 | result[i] = psiconv_read_u8(config,buf,lev,off+i+len,&localstatus); |
|
|
362 | if (localstatus) |
|
|
363 | goto ERROR2; |
|
|
364 | result[stringlen] = 0; |
|
|
365 | len += stringlen; |
|
|
366 | |
|
|
367 | res_copy = psiconv_make_printable(result); |
|
|
368 | if (!res_copy) |
|
|
369 | goto ERROR2; |
|
|
370 | psiconv_debug(config,lev+2,off,"Contents: `%s'",res_copy); |
|
|
371 | free(res_copy); |
|
|
372 | |
|
|
373 | if (length) |
|
|
374 | *length = len; |
|
|
375 | |
|
|
376 | if (status) |
|
|
377 | *status = 0; |
|
|
378 | |
|
|
379 | psiconv_progress(config,lev+1,off+len-1,"End of short string (total length: %08x)", |
|
|
380 | len); |
|
|
381 | |
|
|
382 | return result; |
|
|
383 | |
|
|
384 | |
|
|
385 | ERROR2: |
|
|
386 | free(result); |
|
|
387 | ERROR1: |
|
|
388 | psiconv_warn(config,lev+1,off,"Reading of short string failed"); |
|
|
389 | if (status) |
384 | if (status) |
390 | *status = localstatus; |
385 | *status = localstatus; |
391 | if (length) |
386 | if (length) |
392 | *length = 0; |
387 | *length = 0; |
393 | return NULL; |
388 | return NULL; |
… | |
… | |
425 | *length = 8; |
420 | *length = 8; |
426 | if (*status) |
421 | if (*status) |
427 | *status = res; |
422 | *status = res; |
428 | return result; |
423 | return result; |
429 | ERROR: |
424 | ERROR: |
430 | psiconv_warn(config,lev+1,off,"Reading of float failed"); |
425 | psiconv_error(config,lev+1,off,"Reading of float failed"); |
431 | if (length) |
426 | if (length) |
432 | *length = 0; |
427 | *length = 0; |
433 | if (*status) |
428 | if (*status) |
434 | *status = res; |
429 | *status = res; |
435 | return 0.0; |
430 | return 0.0; |