/[public]/psiconv/trunk/lib/psiconv/parse_driver.c
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Contents of /psiconv/trunk/lib/psiconv/parse_driver.c

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Revision 142 - (show annotations)
Tue Jan 29 18:38:38 2002 UTC (17 years, 9 months ago) by frodo
File MIME type: text/plain
File size: 28673 byte(s)
(Frodo) DMALLOC support

1 /*
2 parse_driver.c - Part of psiconv, a PSION 5 file formats converter
3 Copyright (c) 1999, 2000 Frodo Looijaard <frodol@dds.nl>
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18 */
19
20 #include "config.h"
21 #include "compat.h"
22
23 #include <stdlib.h>
24
25 #include "parse.h"
26 #include "parse_routines.h"
27
28 #ifdef DMALLOC
29 #include <dmalloc.h>
30 #endif
31
32
33 psiconv_file_type_t psiconv_file_type(psiconv_buffer buf,int *length,
34 psiconv_header_section *result)
35 {
36 psiconv_header_section header;
37 psiconv_file_type_t res;
38 int leng;
39
40 if ((psiconv_parse_header_section(buf,0,0,&leng,&header)))
41 return psiconv_unknown_file;
42 res = header->file;
43 if (result)
44 *result = header;
45 else
46 psiconv_free_header_section(header);
47 if (length)
48 *length = leng;
49 return res;
50 }
51
52 int psiconv_parse(const psiconv_buffer buf,psiconv_file *result)
53 {
54 int res=0;
55 int lev=0;
56 int off=0;
57 int leng;
58
59 if (!((*result) = malloc(sizeof(**result))))
60 goto ERROR1;
61
62 (*result)->type = psiconv_file_type(buf,&leng,NULL);
63 if ((*result)->type == psiconv_unknown_file) {
64 psiconv_warn(lev+1,off,"Unknown file type: can't parse!");
65 (*result)->file = NULL;
66 } else if ((*result)->type == psiconv_word_file)
67 res = psiconv_parse_word_file(buf,lev+2,leng,
68 (psiconv_word_f *)(&((*result)->file)));
69 else if ((*result)->type == psiconv_texted_file)
70 res = psiconv_parse_texted_file(buf,lev+2,leng,
71 (psiconv_texted_f *)(&((*result)->file)));
72 else if ((*result)->type == psiconv_mbm_file)
73 res = psiconv_parse_mbm_file(buf,lev+2,leng,
74 (psiconv_mbm_f *)(&((*result)->file)));
75 else if ((*result)->type == psiconv_sketch_file)
76 res = psiconv_parse_sketch_file(buf,lev+2,leng,
77 (psiconv_sketch_f *)(&((*result)->file)));
78 else if ((*result)->type == psiconv_clipart_file)
79 res = psiconv_parse_clipart_file(buf,lev+2,leng,
80 (psiconv_clipart_f *)(&((*result)->file)));
81 else if ((*result)->type == psiconv_sheet_file)
82 res = psiconv_parse_sheet_file(buf,lev+2,leng,
83 (psiconv_sheet_f *)(&((*result)->file)));
84 else {
85 psiconv_warn(lev+1,off,"Can't parse this file yet!");
86 (*result)->file = NULL;
87 }
88 if (res)
89 goto ERROR2;
90 return 0;
91
92 ERROR2:
93 free(*result);
94 ERROR1:
95 psiconv_warn(lev+1,off,"Reading of Psion File failed");
96 if (res == 0)
97 return -PSICONV_E_NOMEM;
98 else
99 return res;
100 }
101
102 int psiconv_parse_clipart_file(const psiconv_buffer buf,int lev,
103 psiconv_u32 off, psiconv_clipart_f *result)
104 {
105 int res=0;
106 int i;
107 psiconv_jumptable_section table;
108 psiconv_clipart_section clipart;
109 psiconv_u32 *entry;
110
111 psiconv_progress(lev+1,off,"Going to read a clipart file");
112 if (!((*result) = malloc(sizeof(**result))))
113 goto ERROR1;
114
115 psiconv_progress(lev+2,off,"Going to read the MBM jumptable");
116 if ((res = psiconv_parse_jumptable_section(buf,lev+2,off, NULL,&table)))
117 goto ERROR2;
118
119 psiconv_progress(lev+2,off,"Going to read the clipart sections");
120 if (!((*result)->sections = psiconv_list_new(sizeof(*clipart))))
121 goto ERROR3;
122 for (i = 0; i < psiconv_list_length(table); i ++) {
123 if (!(entry = psiconv_list_get(table,i)))
124 goto ERROR4;
125 psiconv_progress(lev+3,off,"Going to read clipart section %i",i);
126 if ((res = psiconv_parse_clipart_section(buf,lev+3,*entry,NULL,&clipart)))
127 goto ERROR4;
128 if ((res = psiconv_list_add((*result)->sections,clipart)))
129 goto ERROR5;
130 }
131
132 psiconv_free_jumptable_section(table);
133 psiconv_progress(lev+1,off,"End of clipart file");
134 return res;
135 ERROR5:
136 psiconv_free_clipart_section(clipart);
137 ERROR4:
138 for (i = 0; i < psiconv_list_length((*result)->sections); i++) {
139 if (!(clipart = psiconv_list_get((*result)->sections,i))) {
140 psiconv_warn(lev+1,off,"Massive memory corruption");
141 goto ERROR3;
142 }
143 psiconv_free_clipart_section(clipart);
144 }
145 psiconv_list_free((*result)->sections);
146 ERROR3:
147 psiconv_free_jumptable_section(table);
148 ERROR2:
149 free(*result);
150 ERROR1:
151 psiconv_warn(lev+1,off,"Reading of Clipart File failed");
152 if (res == 0)
153 return -PSICONV_E_NOMEM;
154 else
155 return res;
156 }
157
158 int psiconv_parse_mbm_file(const psiconv_buffer buf,int lev, psiconv_u32 off,
159 psiconv_mbm_f *result)
160 {
161 int res=0;
162 int i;
163 psiconv_jumptable_section table;
164 psiconv_paint_data_section paint;
165 psiconv_u32 *entry;
166 psiconv_u32 sto;
167
168 psiconv_progress(lev+1,off,"Going to read a mbm file");
169 if (!(*result = malloc(sizeof(**result))))
170 goto ERROR1;
171
172 psiconv_progress(lev+2,off,"Going to read the offset of the MBM jumptable");
173 sto = psiconv_read_u32(buf,lev+2,off,&res);
174 if (res)
175 goto ERROR2;
176 psiconv_debug(lev+2,off,"Offset: %08x",sto);
177
178 psiconv_progress(lev+2,off,"Going to read the MBM jumptable");
179 if ((res = psiconv_parse_jumptable_section(buf,lev+2,sto, NULL,&table)))
180 goto ERROR2;
181
182 psiconv_progress(lev+2,off,"Going to read the picture sections");
183 if (!((*result)->sections = psiconv_list_new(sizeof(*paint))))
184 goto ERROR3;
185 for (i = 0; i < psiconv_list_length(table); i ++) {
186 if (!(entry = psiconv_list_get(table,i)))
187 goto ERROR4;
188 psiconv_progress(lev+3,off,"Going to read picture section %i",i);
189 if ((res = psiconv_parse_paint_data_section(buf,lev+3,*entry,NULL,
190 0,&paint)))
191 goto ERROR4;
192 if ((res = psiconv_list_add((*result)->sections,paint)))
193 goto ERROR5;
194 }
195
196 psiconv_free_jumptable_section(table);
197 psiconv_progress(lev+1,off,"End of mbm file");
198 return 0;
199 ERROR5:
200 psiconv_free_paint_data_section(paint);
201 ERROR4:
202 for (i = 0; i < psiconv_list_length((*result)->sections); i++) {
203 if (!(paint = psiconv_list_get((*result)->sections,i))) {
204 psiconv_warn(lev+1,off,"Massive memory corruption");
205 goto ERROR3;
206 }
207 psiconv_free_paint_data_section(paint);
208 }
209 psiconv_list_free((*result)->sections);
210 ERROR3:
211 psiconv_free_jumptable_section(table);
212 ERROR2:
213 free(*result);
214 ERROR1:
215 psiconv_warn(lev+1,off,"Reading of MBM File failed");
216 if (res == 0)
217 return -PSICONV_E_NOMEM;
218 else
219 return res;
220 }
221
222 int psiconv_parse_sketch_file(const psiconv_buffer buf,int lev,
223 psiconv_u32 off,
224 psiconv_sketch_f *result)
225 {
226 psiconv_section_table_section table;
227 psiconv_application_id_section appl_id;
228 psiconv_u32 applid_sec = 0;
229 psiconv_u32 sketch_sec = 0;
230 psiconv_u32 sto;
231 psiconv_section_table_entry entry;
232 int i;
233 int res=0;
234 char *temp_str;
235
236 psiconv_progress(lev+1,off,"Going to read a sketch file");
237 if (!(*result = malloc(sizeof(**result))))
238 goto ERROR1;
239
240 psiconv_progress(lev+2,off,
241 "Going to read the offset of the section table section");
242 sto = psiconv_read_u32(buf,lev+2,off,&res);
243 if (res)
244 goto ERROR2;
245 psiconv_debug(lev+2,off,"Offset: %08x",sto);
246
247 psiconv_progress(lev+2,sto, "Going to read the section table section");
248 if ((res = psiconv_parse_section_table_section(buf,lev+2,sto, NULL,&table)))
249 goto ERROR2;
250
251 for (i = 0; i < psiconv_list_length(table); i ++) {
252 psiconv_progress(lev+2,sto, "Going to read entry %d",i);
253 if (!(entry = psiconv_list_get(table,i)))
254 goto ERROR3;
255 if (entry->id == PSICONV_ID_APPL_ID_SECTION) {
256 applid_sec = entry->offset;
257 psiconv_debug(lev+3,sto,
258 "Found the Application ID section at %08x",applid_sec);
259 } else if (entry->id == PSICONV_ID_SKETCH_SECTION) {
260 sketch_sec = entry->offset;
261 psiconv_debug(lev+3,sto,
262 "Found the Sketch section at %08x",sketch_sec);
263 } else {
264 psiconv_warn(lev+3,sto,
265 "Found unknown section in the Section Table (ignoring)");
266 psiconv_debug(lev+3,sto,
267 "Section ID %08x, offset %08x",entry->id,entry->offset);
268 }
269 }
270
271 psiconv_progress(lev+2,sto, "Looking for the Application ID section");
272 if (! applid_sec) {
273 psiconv_warn(lev+2,sto,
274 "Application ID section not found in the section table");
275 res = -PSICONV_E_PARSE;
276 goto ERROR3;
277 } else {
278 psiconv_debug(lev+2,sto,
279 "Application ID section at offset %08x",applid_sec);
280 if ((res = psiconv_parse_application_id_section(buf,lev+2,applid_sec,NULL,
281 &appl_id)))
282 goto ERROR3;
283 }
284 if ((appl_id->id != PSICONV_ID_SKETCH) ||
285 strcmp(appl_id->name,"Paint.app")) {
286 psiconv_warn(lev+2,applid_sec,
287 "Application ID section contains unexpected data");
288 psiconv_debug(lev+2,applid_sec,"ID: %08x expected, %08x found",
289 PSICONV_ID_SKETCH,appl_id->id);
290 if (!(temp_str = psiconv_make_printable(appl_id->name)))
291 goto ERROR4;
292 psiconv_debug(lev+2,applid_sec,"Name: `%s' expected, `%s' found",
293 "Paint.app",temp_str);
294 free(temp_str);
295 res = -PSICONV_E_PARSE;
296 goto ERROR4;
297 }
298
299 psiconv_progress(lev+2,sto, "Looking for the Sketch section");
300 if (! sketch_sec) {
301 psiconv_warn(lev+2,sto,
302 "Sketch section not found in the section table");
303 } else {
304 psiconv_debug(lev+2,sto,
305 "Sketch section at offset %08x",applid_sec);
306 if ((res = psiconv_parse_sketch_section(buf,lev+2,sketch_sec,NULL,0,
307 &(*result)->sketch_sec)))
308 goto ERROR4;
309 }
310
311 psiconv_free_application_id_section(appl_id);
312 psiconv_free_section_table_section(table);
313
314 psiconv_progress(lev+1,off,"End of word file");
315 return res;
316
317 ERROR4:
318 psiconv_free_application_id_section(appl_id);
319 ERROR3:
320 free(table);
321 ERROR2:
322 free(*result);
323 ERROR1:
324 psiconv_warn(lev+1,off,"Reading of Scketch File failed");
325 if (res == 0)
326 return -PSICONV_E_NOMEM;
327 else
328 return res;
329 }
330
331
332 int psiconv_parse_texted_file(const psiconv_buffer buf,int lev,
333 psiconv_u32 off,
334 psiconv_texted_f *result)
335 {
336 int res=0;
337 psiconv_section_table_section table;
338 psiconv_application_id_section appl_id;
339 char *temp_str;
340 psiconv_character_layout base_char;
341 psiconv_paragraph_layout base_para;
342 psiconv_u32 page_sec = 0;
343 psiconv_u32 texted_sec = 0;
344 psiconv_u32 applid_sec = 0;
345 psiconv_u32 sto;
346 psiconv_section_table_entry entry;
347 int i;
348
349 psiconv_progress(lev+1,off,"Going to read a texted file");
350 if (!(*result = malloc(sizeof(**result))))
351 goto ERROR1;
352
353 psiconv_progress(lev+2,off,
354 "Going to read the offset of the section table section");
355 sto = psiconv_read_u32(buf,lev+2,off,&res);
356 if (res)
357 goto ERROR2;
358 psiconv_debug(lev+2,off,"Offset: %08x",sto);
359
360 psiconv_progress(lev+2,sto, "Going to read the section table section");
361 if ((res = psiconv_parse_section_table_section(buf,lev+2,sto, NULL,&table)))
362 goto ERROR2;
363
364 for (i = 0; i < psiconv_list_length(table); i ++) {
365 psiconv_progress(lev+2,sto, "Going to read entry %d",i);
366 if (!(entry = psiconv_list_get(table,i)))
367 goto ERROR3;
368 if (entry->id == PSICONV_ID_APPL_ID_SECTION) {
369 applid_sec = entry->offset;
370 psiconv_debug(lev+3,sto,
371 "Found the Application ID section at %08x",applid_sec);
372 } else if (entry->id == PSICONV_ID_PAGE_LAYOUT_SECTION) {
373 page_sec = entry->offset;
374 psiconv_debug(lev+3,sto,
375 "Found the Page Layout section at %08x",page_sec);
376 } else if (entry->id == PSICONV_ID_TEXTED) {
377 texted_sec = entry->offset;
378 psiconv_debug(lev+3,sto,
379 "Found the TextEd section at %08x",texted_sec);
380 } else {
381 psiconv_warn(lev+3,sto,
382 "Found unknown section in the Section Table (ignoring)");
383 psiconv_debug(lev+3,sto,
384 "Section ID %08x, offset %08x",entry->id,entry->offset);
385 }
386 }
387
388 psiconv_progress(lev+2,sto, "Looking for the Application ID section");
389 if (! applid_sec) {
390 psiconv_warn(lev+2,sto,
391 "Application ID section not found in the section table");
392 res = -PSICONV_E_PARSE;
393 goto ERROR3;
394 } else {
395 psiconv_debug(lev+2,sto,
396 "Application ID section at offset %08x",applid_sec);
397 if ((res = psiconv_parse_application_id_section(buf,lev+2,applid_sec,NULL,
398 &appl_id)))
399 goto ERROR3;
400 }
401 if ((appl_id->id != PSICONV_ID_TEXTED) ||
402 strcmp(appl_id->name,"TextEd.app")) {
403 psiconv_warn(lev+2,applid_sec,
404 "Application ID section contains unexpected data");
405 psiconv_debug(lev+2,applid_sec,"ID: %08x expected, %08x found",
406 PSICONV_ID_TEXTED,appl_id->id);
407 if (!(temp_str = psiconv_make_printable(appl_id->name)))
408 goto ERROR4;
409 psiconv_debug(lev+2,applid_sec,"Name: `%s' expected, `%s' found",
410 "TextEd.app",temp_str);
411 free(temp_str);
412 res = -PSICONV_E_PARSE;
413 goto ERROR4;
414 }
415
416 psiconv_progress(lev+2,sto,
417 "Looking for the Page layout section");
418 if (! page_sec) {
419 psiconv_warn(lev+2,sto,
420 "Page layout section not found in the section table");
421 res = -PSICONV_E_PARSE;
422 goto ERROR4;
423 } else {
424 psiconv_debug(lev+2,sto,
425 "Page layout section at offset %08x",page_sec);
426 if ((res = psiconv_parse_page_layout_section(buf,lev+2,page_sec,NULL,
427 &(*result)->page_sec)))
428 goto ERROR4;
429 }
430
431 if (!(base_char = psiconv_basic_character_layout()))
432 goto ERROR5;
433 if (!(base_para = psiconv_basic_paragraph_layout()))
434 goto ERROR6;
435
436 psiconv_progress(lev+2,sto,
437 "Looking for the TextEd section");
438 if (! texted_sec) {
439 psiconv_warn(lev+2,sto,
440 "TextEd section not found in the section table");
441 res = -PSICONV_E_PARSE;
442 goto ERROR7;
443 } else {
444 psiconv_debug(lev+2,sto, "TextEd section at offset %08x",texted_sec);
445 if ((res = psiconv_parse_texted_section(buf,lev+2,texted_sec,NULL,
446 &(*result)->texted_sec,
447 base_char,base_para)))
448 goto ERROR7;
449 }
450 psiconv_free_character_layout(base_char);
451 psiconv_free_paragraph_layout(base_para);
452
453 psiconv_free_application_id_section(appl_id);
454 psiconv_free_section_table_section(table);
455
456 psiconv_progress(lev+1,off,"End of TextEd file");
457 return 0;
458
459 ERROR7:
460 psiconv_free_paragraph_layout(base_para);
461 ERROR6:
462 psiconv_free_character_layout(base_char);
463 ERROR5:
464 psiconv_free_page_layout_section((*result)->page_sec);
465 ERROR4:
466 psiconv_free_application_id_section(appl_id);
467 ERROR3:
468 psiconv_free_section_table_section(table);
469 ERROR2:
470 free(*result);
471 ERROR1:
472 psiconv_warn(lev+1,off,"Reading of TextEd File failed");
473 if (res == 0)
474 return -PSICONV_E_NOMEM;
475 else
476 return res;
477 }
478
479 int psiconv_parse_word_file(const psiconv_buffer buf,int lev, psiconv_u32 off,
480 psiconv_word_f *result)
481 {
482 int res=0;
483 psiconv_section_table_section table;
484 psiconv_application_id_section appl_id;
485 char *temp_str;
486 psiconv_u32 pwd_sec = 0;
487 psiconv_u32 status_sec = 0;
488 psiconv_u32 styles_sec = 0;
489 psiconv_u32 page_sec = 0;
490 psiconv_u32 text_sec = 0;
491 psiconv_u32 layout_sec = 0;
492 psiconv_u32 applid_sec = 0;
493 psiconv_section_table_entry entry;
494 psiconv_u32 sto;
495 int i;
496
497 psiconv_progress(lev+1,off,"Going to read a word file");
498 if (!(*result = malloc(sizeof(**result))))
499 goto ERROR1;
500
501 psiconv_progress(lev+2,off,
502 "Going to read the offset of the section table section");
503 sto = psiconv_read_u32(buf,lev+2,off,&res);
504 if (res)
505 goto ERROR2;
506 psiconv_debug(lev+2,off,"Offset: %08x",sto);
507
508 psiconv_progress(lev+2,sto,
509 "Going to read the section table section");
510 if ((res = psiconv_parse_section_table_section(buf,lev+2,sto, NULL,&table)))
511 goto ERROR2;
512
513 for (i = 0; i < psiconv_list_length(table); i ++) {
514 psiconv_progress(lev+2,sto, "Going to read entry %d",i);
515 if (!(entry = psiconv_list_get(table,i)))
516 goto ERROR3;
517 if (entry->id == PSICONV_ID_APPL_ID_SECTION) {
518 applid_sec = entry->offset;
519 psiconv_debug(lev+3,sto,
520 "Found the Application ID section at %08x",applid_sec);
521 } else if (entry->id == PSICONV_ID_PAGE_LAYOUT_SECTION) {
522 page_sec = entry->offset;
523 psiconv_debug(lev+3,sto,
524 "Found the Page Layout section at %08x",page_sec);
525 } else if (entry->id == PSICONV_ID_TEXT_SECTION) {
526 text_sec = entry->offset;
527 psiconv_debug(lev+3,sto, "Found the Text section at %08x",text_sec);
528 } else if (entry->id == PSICONV_ID_PASSWORD_SECTION) {
529 pwd_sec = entry->offset;
530 psiconv_debug(lev+3,sto,
531 "Found the Password section at %08x",pwd_sec);
532 psiconv_warn(lev+3,sto,
533 "Password section found - can't read encrypted data");
534 res = -PSICONV_E_PARSE;
535 goto ERROR3;
536 } else if (entry->id == PSICONV_ID_WORD_STATUS_SECTION) {
537 status_sec = entry->offset;
538 psiconv_debug(lev+3,sto,
539 "Found the Word Status section at %08x",status_sec);
540 } else if (entry->id == PSICONV_ID_WORD_STYLES_SECTION) {
541 styles_sec = entry->offset;
542 psiconv_debug(lev+3,sto,
543 "Found the Word Styles section at %08x",styles_sec);
544 } else if (entry->id == PSICONV_ID_LAYOUT_SECTION) {
545 layout_sec = entry->offset;
546 psiconv_debug(lev+3,sto,
547 "Found the Layout section at %08x",layout_sec);
548 } else {
549 psiconv_warn(lev+3,sto,
550 "Found unknown section in the Section Table (ignoring)");
551 psiconv_debug(lev+3,sto,
552 "Section ID %08x, offset %08x",entry->id,entry->offset);
553 }
554 }
555
556
557 psiconv_progress(lev+2,sto,
558 "Looking for the Status section");
559 if (!status_sec) {
560 psiconv_warn(lev+2,sto, "Status section not found in the section table");
561 res = -PSICONV_E_PARSE;
562 goto ERROR3;
563 } else {
564 psiconv_debug(lev+2,sto, "Status section at offset %08x",status_sec);
565 if ((res = psiconv_parse_word_status_section(buf,lev+2,status_sec,NULL,
566 &((*result)->status_sec))))
567 goto ERROR3;
568 }
569
570 psiconv_progress(lev+2,sto, "Looking for the Application ID section");
571 if (! applid_sec) {
572 psiconv_warn(lev+2,sto,
573 "Application ID section not found in the section table");
574 res = -PSICONV_E_PARSE;
575 goto ERROR4;
576 } else {
577 psiconv_debug(lev+2,sto,
578 "Application ID section at offset %08x",applid_sec);
579 if ((res = psiconv_parse_application_id_section(buf,lev+2,applid_sec,NULL,
580 &appl_id)))
581 goto ERROR4;
582 }
583 if ((appl_id->id != PSICONV_ID_WORD) ||
584 strcmp(appl_id->name,"Word.app")) {
585 psiconv_warn(lev+2,applid_sec,
586 "Application ID section contains unexpected data");
587 psiconv_debug(lev+2,applid_sec,"ID: %08x expected, %08x found",
588 PSICONV_ID_WORD,appl_id->id);
589 if (!(temp_str = psiconv_make_printable(appl_id->name)))
590 goto ERROR5;
591 psiconv_debug(lev+2,applid_sec,"Name: `%s' expected, `%s' found",
592 "Word.app",temp_str);
593 free(temp_str);
594 res = -PSICONV_E_PARSE;
595 goto ERROR5;
596 }
597
598 psiconv_progress(lev+2,sto,
599 "Looking for the Page layout section");
600 if (! page_sec) {
601 psiconv_warn(lev+2,sto,
602 "Page layout section not found in the section table");
603 res = -PSICONV_E_PARSE;
604 goto ERROR5;
605 } else {
606 psiconv_debug(lev+2,sto,
607 "Page layout section at offset %08x",page_sec);
608 if ((res = psiconv_parse_page_layout_section(buf,lev+2,page_sec,NULL,
609 &(*result)->page_sec)))
610 goto ERROR5;
611 }
612
613 psiconv_progress(lev+2,sto,
614 "Looking for the Word Style section");
615 if (!styles_sec) {
616 psiconv_warn(lev+2,sto,
617 "Word styles section not found in the section table");
618 res = -PSICONV_E_PARSE;
619 goto ERROR6;
620 } else {
621 psiconv_debug(lev+2,sto,
622 "Word styles section at offset %08x",styles_sec);
623 if ((res = psiconv_parse_word_styles_section(buf,lev+2,styles_sec,NULL,
624 &(*result)->styles_sec)))
625 goto ERROR6;
626 }
627
628 psiconv_progress(lev+2,sto,
629 "Looking for the Text section");
630 if (!text_sec) {
631 psiconv_warn(lev+2,sto, "Text section not found in the section table");
632 res = -PSICONV_E_PARSE;
633 goto ERROR7;
634 } else {
635 psiconv_debug(lev+2,sto,
636 "Text section at offset %08x",text_sec);
637 if ((res = psiconv_parse_text_section(buf,lev+2,text_sec,NULL,
638 &(*result)->paragraphs)))
639 goto ERROR7;
640 }
641
642 psiconv_progress(lev+2,sto, "Looking for the Layout section");
643 if (!layout_sec) {
644 psiconv_debug(lev+2,sto, "No layout section today");
645 } else {
646 psiconv_debug(lev+2,sto,
647 "Layout section at offset %08x",layout_sec);
648 if ((res = psiconv_parse_styled_layout_section(buf,lev+2,layout_sec,NULL,
649 (*result)->paragraphs,
650 (*result)->styles_sec)))
651 goto ERROR8;
652 }
653
654 psiconv_free_application_id_section(appl_id);
655 psiconv_free_section_table_section(table);
656
657 psiconv_progress(lev+1,off,"End of word file");
658 return 0;
659
660
661 ERROR8:
662 psiconv_free_text_and_layout((*result)->paragraphs);
663 ERROR7:
664 psiconv_free_word_styles_section((*result)->styles_sec);
665 ERROR6:
666 psiconv_free_page_layout_section((*result)->page_sec);
667 ERROR5:
668 psiconv_free_application_id_section(appl_id);
669 ERROR4:
670 psiconv_free_word_status_section((*result)->status_sec);
671 ERROR3:
672 psiconv_free_section_table_section(table);
673 ERROR2:
674 free(*result);
675 ERROR1:
676 psiconv_warn(lev+1,off,"Reading of Word File failed");
677 if (res == 0)
678 return -PSICONV_E_NOMEM;
679 else
680 return res;
681 }
682
683 int psiconv_parse_sheet_file(const psiconv_buffer buf,int lev, psiconv_u32 off,
684 psiconv_sheet_f *result)
685 {
686 int res=0;
687 psiconv_section_table_section table;
688 psiconv_application_id_section appl_id;
689 char *temp_str;
690 psiconv_u32 pwd_sec = 0;
691 psiconv_u32 status_sec = 0;
692 psiconv_u32 page_sec = 0;
693 psiconv_u32 applid_sec = 0;
694 psiconv_u32 workbook_sec = 0;
695 psiconv_section_table_entry entry;
696 psiconv_u32 sto;
697 int i;
698
699 psiconv_progress(lev+1,off,"Going to read a sheet file");
700 if (!(*result = malloc(sizeof(**result))))
701 goto ERROR1;
702
703 psiconv_progress(lev+2,off,
704 "Going to read the offset of the section table section");
705 sto = psiconv_read_u32(buf,lev+2,off,&res);
706 if (res)
707 goto ERROR2;
708 psiconv_debug(lev+2,off,"Offset: %08x",sto);
709
710 psiconv_progress(lev+2,sto,
711 "Going to read the section table section");
712 if ((res = psiconv_parse_section_table_section(buf,lev+2,sto, NULL,&table)))
713 goto ERROR2;
714
715 for (i = 0; i < psiconv_list_length(table); i ++) {
716 psiconv_progress(lev+2,sto, "Going to read entry %d",i);
717 if (!(entry = psiconv_list_get(table,i)))
718 goto ERROR3;
719 if (entry->id == PSICONV_ID_APPL_ID_SECTION) {
720 applid_sec = entry->offset;
721 psiconv_debug(lev+3,sto,
722 "Found the Application ID section at %08x",applid_sec);
723 } else if (entry->id == PSICONV_ID_PAGE_LAYOUT_SECTION) {
724 page_sec = entry->offset;
725 psiconv_debug(lev+3,sto,
726 "Found the Page Layout section at %08x",page_sec);
727 } else if (entry->id == PSICONV_ID_PASSWORD_SECTION) {
728 pwd_sec = entry->offset;
729 psiconv_debug(lev+3,sto,
730 "Found the Password section at %08x",pwd_sec);
731 psiconv_warn(lev+3,sto,
732 "Password section found - can't read encrypted data");
733 res = -PSICONV_E_PARSE;
734 goto ERROR3;
735 } else if (entry->id == PSICONV_ID_SHEET_WORKBOOK_SECTION) {
736 workbook_sec = entry->offset;
737 psiconv_debug(lev+3,sto,
738 "Found the Sheet Workbook section at %08x",workbook_sec);
739 } else if (entry->id == PSICONV_ID_SHEET_STATUS_SECTION) {
740 status_sec = entry->offset;
741 psiconv_debug(lev+3,sto,
742 "Found the Sheet Status section at %08x",status_sec);
743 } else {
744 psiconv_warn(lev+3,sto,
745 "Found unknown section in the Section Table (ignoring)");
746 psiconv_debug(lev+3,sto,
747 "Section ID %08x, offset %08x",entry->id,entry->offset);
748 }
749 }
750
751
752 psiconv_progress(lev+2,sto,
753 "Looking for the Status section");
754 if (!status_sec) {
755 psiconv_warn(lev+2,sto, "Status section not found in the section table");
756 res = -PSICONV_E_PARSE;
757 goto ERROR3;
758 } else {
759 psiconv_debug(lev+2,sto, "Status section at offset %08x",status_sec);
760 if ((res = psiconv_parse_sheet_status_section(buf,lev+2,status_sec,NULL,
761 &((*result)->status_sec))))
762 goto ERROR3;
763 }
764
765 psiconv_progress(lev+2,sto, "Looking for the Application ID section");
766 if (! applid_sec) {
767 psiconv_warn(lev+2,sto,
768 "Application ID section not found in the section table");
769 res = -PSICONV_E_PARSE;
770 goto ERROR4;
771 } else {
772 psiconv_debug(lev+2,sto,
773 "Application ID section at offset %08x",applid_sec);
774 if ((res = psiconv_parse_application_id_section(buf,lev+2,applid_sec,NULL,
775 &appl_id)))
776 goto ERROR4;
777 }
778 if ((appl_id->id != PSICONV_ID_SHEET) ||
779 strcmp(appl_id->name,"Sheet.app")) {
780 psiconv_warn(lev+2,applid_sec,
781 "Application ID section contains unexpected data");
782 psiconv_debug(lev+2,applid_sec,"ID: %08x expected, %08x found",
783 PSICONV_ID_SHEET,appl_id->id);
784 if (!(temp_str = psiconv_make_printable(appl_id->name)))
785 goto ERROR5;
786 psiconv_debug(lev+2,applid_sec,"Name: `%s' expected, `%s' found",
787 "Sheet.app",temp_str);
788 free(temp_str);
789 res = -PSICONV_E_PARSE;
790 goto ERROR5;
791 }
792
793 psiconv_progress(lev+2,sto,
794 "Looking for the Page layout section");
795 if (! page_sec) {
796 psiconv_warn(lev+2,sto,
797 "Page layout section not found in the section table");
798 res = -PSICONV_E_PARSE;
799 goto ERROR5;
800 } else {
801 psiconv_debug(lev+2,sto,
802 "Page layout section at offset %08x",page_sec);
803 if ((res = psiconv_parse_page_layout_section(buf,lev+2,page_sec,NULL,
804 &(*result)->page_sec)))
805 goto ERROR5;
806 }
807
808 psiconv_progress(lev+2,sto,
809 "Looking for the Sheet Workbook section");
810 if (! workbook_sec) {
811 psiconv_warn(lev+2,sto,
812 "Sheet workbook section not found in the section table");
813 res = -PSICONV_E_PARSE;
814 goto ERROR6;
815 } else {
816 psiconv_debug(lev+2,sto,
817 "Sheet workbook section at offset %08x",page_sec);
818 if ((res = psiconv_parse_sheet_workbook_section(buf,lev+2,workbook_sec,NULL,
819 &(*result)->workbook_sec)))
820 goto ERROR6;
821 }
822
823 psiconv_free_application_id_section(appl_id);
824 psiconv_free_section_table_section(table);
825
826 psiconv_progress(lev+1,off,"End of Sheet file");
827 return 0;
828
829 ERROR6:
830 psiconv_free_page_layout_section((*result)->page_sec);
831 ERROR5:
832 psiconv_free_application_id_section(appl_id);
833 ERROR4:
834 psiconv_free_sheet_status_section((*result)->status_sec);
835 ERROR3:
836 psiconv_free_section_table_section(table);
837 ERROR2:
838 free(*result);
839 ERROR1:
840 psiconv_warn(lev+1,off,"Reading of Sheet File failed");
841 if (res == 0)
842 return -PSICONV_E_NOMEM;
843 else
844 return res;
845 }

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