/[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 95 - (show annotations)
Wed Jan 17 12:04:12 2001 UTC (19 years, 4 months ago) by frodo
File MIME type: text/plain
File size: 28628 byte(s)
(Frodo) A little more sheet work. Added a Sheet Workbook section, though
        nothing is really put into it yet.

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

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