/[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 13 - (show annotations)
Mon Oct 11 18:19:09 1999 UTC (22 years, 3 months ago) by frodo
File MIME type: text/plain
File size: 16027 byte(s)
(Frodo) Current status images: Parsing kind of works, but the number of
        pixels does not match. What am I doing wrong?

1 /*
2 parse_driver.c - Part of psiconv, a PSION 5 file formats converter
3 Copyright (c) 1999 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 <stdlib.h>
22
23 #include "parse.h"
24 #include "parse_routines.h"
25 #include "data.h"
26
27 psiconv_file_type_t psiconv_file_type(psiconv_buffer buf)
28 {
29 psiconv_header_section header;
30 psiconv_file_type_t res;
31
32 psiconv_parse_header_section(buf,0,0,NULL,&header);
33 res = header->file;
34 psiconv_free_header_section(header);
35 return res;
36 }
37
38 int psiconv_parse(const psiconv_buffer buf,psiconv_file *result)
39 {
40 int res=0;
41 int lev=0;
42 int off=0;
43
44 (*result) = malloc(sizeof(**result));
45
46 (*result)->type = psiconv_file_type(buf);
47 if ((*result)->type == psiconv_unknown_file) {
48 psiconv_warn(lev+1,off,"Unknown file type: can't parse!");
49 (*result)->file = NULL;
50 res = -1;
51 } else if ((*result)->type == psiconv_word_file)
52 res = psiconv_parse_word_file(buf,lev+2,off,
53 (psiconv_word_f *)(&((*result)->file)));
54 else if ((*result)->type == psiconv_texted_file)
55 res = psiconv_parse_texted_file(buf,lev+2,off,
56 (psiconv_texted_f *)(&((*result)->file)));
57 else if ((*result)->type == psiconv_mbm_file)
58 res = psiconv_parse_mbm_file(buf,lev+2,off,
59 (psiconv_mbm_f *)(&((*result)->file)));
60 else {
61 psiconv_warn(lev+1,off,"Can't parse this file yet!");
62 (*result)->file = NULL;
63 }
64 res = -1;
65
66 return res;
67 }
68
69 int psiconv_parse_mbm_file(const psiconv_buffer buf,int lev, psiconv_u32 off,
70 psiconv_mbm_f *result)
71 {
72 int res=0;
73 int i;
74 psiconv_mbm_jumptable_section table;
75 psiconv_paint_data_section paint;
76 psiconv_header_section header;
77 psiconv_u32 *entry;
78
79 psiconv_progress(lev+1,off,"Going to read a mbm file");
80 *result = malloc(sizeof(**result));
81
82 psiconv_progress(lev+2,off, "Going to read the header section");
83 res |= psiconv_parse_header_section(buf,lev+2,off,NULL,&header);
84
85 psiconv_progress(lev+2,off,"Going to read the MBM jumptable");
86 res |= psiconv_parse_mbm_jumptable_section(buf,lev+2,
87 header->section_table_offset,
88 NULL,&table);
89
90 psiconv_progress(lev+2,off,"Going to read the picture sections");
91 (*result)->sections = psiconv_list_new(sizeof(*paint));
92 for (i = 0; i < psiconv_list_length(table); i ++) {
93 entry = psiconv_list_get(table,i);
94 psiconv_progress(lev+3,off,"Going to read picture section %i",i);
95 psiconv_parse_paint_data_section(buf,lev+3,*entry,NULL,&paint);
96 psiconv_list_add((*result)->sections,paint);
97 }
98
99 psiconv_free_header_section(header);
100 psiconv_free_mbm_jumptable_section(table);
101 psiconv_progress(lev+1,off,"End of mbm file");
102 return res;
103 }
104
105 int psiconv_parse_texted_file(const psiconv_buffer buf,int lev, psiconv_u32 off,
106 psiconv_texted_f *result)
107 {
108 int res=0;
109 psiconv_header_section header;
110 psiconv_section_table_section table;
111 psiconv_application_id_section appl_id;
112 char *temp_str;
113 psiconv_character_layout base_char;
114 psiconv_paragraph_layout base_para;
115 psiconv_u32 page_sec = 0;
116 psiconv_u32 texted_sec = 0;
117 psiconv_u32 applid_sec = 0;
118 psiconv_section_table_entry entry;
119 int i;
120
121 psiconv_progress(lev+1,off,"Going to read a texted file");
122 *result = malloc(sizeof(**result));
123
124 psiconv_progress(lev+2,off, "Going to read the header section");
125 res |= psiconv_parse_header_section(buf,lev+2,off,NULL,&header);
126
127 psiconv_progress(lev+2,header->section_table_offset,
128 "Going to read the section table section");
129 res |= psiconv_parse_section_table_section(buf,lev+2,
130 header->section_table_offset,
131 NULL,&table);
132
133 for (i = 0; i < psiconv_list_length(table); i ++) {
134 psiconv_progress(lev+2,header->section_table_offset,
135 "Going to read entry %d",i);
136 entry = psiconv_list_get(table,i);
137 if (entry->id == PSICONV_ID_APPL_ID_SECTION) {
138 applid_sec = entry->offset;
139 psiconv_debug(lev+3,header->section_table_offset,
140 "Found the Application ID section at %08x",applid_sec);
141 } else if (entry->id == PSICONV_ID_PAGE_LAYOUT_SECTION) {
142 page_sec = entry->offset;
143 psiconv_debug(lev+3,header->section_table_offset,
144 "Found the Page Layout section at %08x",page_sec);
145 } else if (entry->id == PSICONV_ID_TEXTED) {
146 texted_sec = entry->offset;
147 psiconv_debug(lev+3,header->section_table_offset,
148 "Found the TextEd section at %08x",texted_sec);
149 } else {
150 psiconv_warn(lev+3,header->section_table_offset,
151 "Found unknown section in the Section Table");
152 psiconv_debug(lev+3,header->section_table_offset,
153 "Section ID %08x, offset %08x",entry->id,entry->offset);
154 res = -1;
155 }
156 }
157
158 psiconv_progress(lev+2,header->section_table_offset,
159 "Looking for the Application ID section");
160 if (! applid_sec) {
161 psiconv_warn(lev+2,header->section_table_offset,
162 "Application ID section not found in the section table");
163 res = -1;
164 } else {
165 psiconv_debug(lev+2,header->section_table_offset,
166 "Application ID section at offset %08x",applid_sec);
167 res |= psiconv_parse_application_id_section(buf,lev+2,applid_sec,NULL,
168 &appl_id);
169 }
170 if ((appl_id->id != PSICONV_ID_TEXTED) ||
171 strcmp(appl_id->name,"TextEd.app")) {
172 psiconv_warn(lev+2,applid_sec,
173 "Application ID section contains unexpected data");
174 psiconv_debug(lev+2,applid_sec,"ID: %08x expected, %08x found",
175 PSICONV_ID_TEXTED,appl_id->id);
176 temp_str = psiconv_make_printable(appl_id->name);
177 psiconv_debug(lev+2,applid_sec,"Name: `%s' expected, `%s' found",
178 PSICONV_ID_TEXTED,temp_str);
179 free(temp_str);
180 }
181
182 psiconv_progress(lev+2,header->section_table_offset,
183 "Looking for the Page layout section");
184 if (! page_sec) {
185 psiconv_warn(lev+2,header->section_table_offset,
186 "Page layout section not found in the section table");
187 (*result)->page_sec = NULL;
188 res = -1;
189 } else {
190 psiconv_debug(lev+2,header->section_table_offset,
191 "Page layout section at offset %08x",page_sec);
192 res |= psiconv_parse_page_layout_section(buf,lev+2,page_sec,NULL,
193 &(*result)->page_sec);
194 }
195
196 base_char = psiconv_basic_character_layout();
197 base_para = psiconv_basic_paragraph_layout();
198
199 psiconv_progress(lev+2,header->section_table_offset,
200 "Looking for the TextEd section");
201 if (! texted_sec) {
202 psiconv_warn(lev+2,header->section_table_offset,
203 "TextEd section not found in the section table");
204 (*result)->texted_sec = NULL;
205 res = -1;
206 } else {
207 psiconv_debug(lev+2,header->section_table_offset,
208 "TextEd section at offset %08x",texted_sec);
209 res |= psiconv_parse_texted_section(buf,lev+2,texted_sec,NULL,
210 &(*result)->texted_sec,
211 base_char,base_para);
212 }
213 psiconv_free_character_layout(base_char);
214 psiconv_free_paragraph_layout(base_para);
215
216 psiconv_free_application_id_section(appl_id);
217 psiconv_free_header_section(header);
218 psiconv_free_section_table_section(table);
219
220 psiconv_progress(lev+1,off,"End of word file");
221 return res;
222 }
223
224 int psiconv_parse_word_file(const psiconv_buffer buf,int lev, psiconv_u32 off,
225 psiconv_word_f *result)
226 {
227 int res=0;
228 psiconv_header_section header;
229 psiconv_section_table_section table;
230 psiconv_application_id_section appl_id;
231 char *temp_str;
232 psiconv_u32 pwd_sec = 0;
233 psiconv_u32 status_sec = 0;
234 psiconv_u32 styles_sec = 0;
235 psiconv_u32 page_sec = 0;
236 psiconv_u32 text_sec = 0;
237 psiconv_u32 layout_sec = 0;
238 psiconv_u32 applid_sec = 0;
239 psiconv_section_table_entry entry;
240 int i;
241
242 psiconv_progress(lev+1,off,"Going to read a word file");
243 *result = malloc(sizeof(**result));
244
245 psiconv_progress(lev+2,off, "Going to read the header section");
246 res |= psiconv_parse_header_section(buf,lev+2,off,NULL,&header);
247
248 psiconv_progress(lev+2,header->section_table_offset,
249 "Going to read the section table section");
250 res |= psiconv_parse_section_table_section(buf,lev+2,
251 header->section_table_offset,
252 NULL,&table);
253
254 for (i = 0; i < psiconv_list_length(table); i ++) {
255 psiconv_progress(lev+2,header->section_table_offset,
256 "Going to read entry %d",i);
257 entry = psiconv_list_get(table,i);
258 if (entry->id == PSICONV_ID_APPL_ID_SECTION) {
259 applid_sec = entry->offset;
260 psiconv_debug(lev+3,header->section_table_offset,
261 "Found the Application ID section at %08x",applid_sec);
262 } else if (entry->id == PSICONV_ID_PAGE_LAYOUT_SECTION) {
263 page_sec = entry->offset;
264 psiconv_debug(lev+3,header->section_table_offset,
265 "Found the Page Layout section at %08x",page_sec);
266 } else if (entry->id == PSICONV_ID_TEXT_SECTION) {
267 text_sec = entry->offset;
268 psiconv_debug(lev+3,header->section_table_offset,
269 "Found the Text section at %08x",text_sec);
270 } else if (entry->id == PSICONV_ID_PASSWORD_SECTION) {
271 pwd_sec = entry->offset;
272 psiconv_debug(lev+3,header->section_table_offset,
273 "Found the Password section at %08x",pwd_sec);
274 psiconv_warn(lev+3,header->section_table_offset,
275 "Password section found - can't read encrypted data");
276 res = -1;
277 } else if (entry->id == PSICONV_ID_WORD_STATUS_SECTION) {
278 status_sec = entry->offset;
279 psiconv_debug(lev+3,header->section_table_offset,
280 "Found the Word Status section at %08x",status_sec);
281 } else if (entry->id == PSICONV_ID_WORD_STYLES_SECTION) {
282 styles_sec = entry->offset;
283 psiconv_debug(lev+3,header->section_table_offset,
284 "Found the Word Styles section at %08x",styles_sec);
285 } else if (entry->id == PSICONV_ID_LAYOUT_SECTION) {
286 layout_sec = entry->offset;
287 psiconv_debug(lev+3,header->section_table_offset,
288 "Found the Layout section at %08x",layout_sec);
289 } else {
290 psiconv_warn(lev+3,header->section_table_offset,
291 "Found unknown section in the Section Table");
292 psiconv_debug(lev+3,header->section_table_offset,
293 "Section ID %08x, offset %08x",entry->id,entry->offset);
294 res = -1;
295 }
296 }
297
298
299 psiconv_progress(lev+2,header->section_table_offset,
300 "Looking for the Status section");
301 if (!status_sec) {
302 psiconv_warn(lev+2,header->section_table_offset,
303 "Status section not found in the section table");
304 res = -1;
305 } else {
306 psiconv_debug(lev+2,header->section_table_offset,
307 "Status section at offset %08x",status_sec);
308 res |= psiconv_parse_word_status_section(buf,lev+2,status_sec,NULL,
309 &((*result)->status_sec));
310 }
311
312 psiconv_progress(lev+2,header->section_table_offset,
313 "Looking for the Application ID section");
314 if (! applid_sec) {
315 psiconv_warn(lev+2,header->section_table_offset,
316 "Application ID section not found in the section table");
317 res = -1;
318 } else {
319 psiconv_debug(lev+2,header->section_table_offset,
320 "Application ID section at offset %08x",applid_sec);
321 res |= psiconv_parse_application_id_section(buf,lev+2,applid_sec,NULL,
322 &appl_id);
323 }
324 if ((appl_id->id != PSICONV_ID_WORD) ||
325 strcmp(appl_id->name,"Word.app")) {
326 psiconv_warn(lev+2,applid_sec,
327 "Application ID section contains unexpected data");
328 psiconv_debug(lev+2,applid_sec,"ID: %08x expected, %08x found",
329 PSICONV_ID_WORD,appl_id->id);
330 temp_str = psiconv_make_printable(appl_id->name);
331 psiconv_debug(lev+2,applid_sec,"Name: `%s' expected, `%s' found",
332 PSICONV_ID_WORD,temp_str);
333 free(temp_str);
334 }
335
336 psiconv_progress(lev+2,header->section_table_offset,
337 "Looking for the Page layout section");
338 if (! page_sec) {
339 psiconv_warn(lev+2,header->section_table_offset,
340 "Page layout section not found in the section table");
341 (*result)->page_sec = NULL;
342 res = -1;
343 } else {
344 psiconv_debug(lev+2,header->section_table_offset,
345 "Page layout section at offset %08x",page_sec);
346 res |= psiconv_parse_page_layout_section(buf,lev+2,page_sec,NULL,
347 &(*result)->page_sec);
348 }
349
350 psiconv_progress(lev+2,header->section_table_offset,
351 "Looking for the Word Style section");
352 if (!styles_sec) {
353 psiconv_warn(lev+2,header->section_table_offset,
354 "Word styles section not found in the section table");
355 (*result)->styles_sec = NULL;
356 res = -1;
357 } else {
358 psiconv_debug(lev+2,header->section_table_offset,
359 "Word styles section at offset %08x",styles_sec);
360 res |= psiconv_parse_word_styles_section(buf,lev+2,styles_sec,NULL,
361 &(*result)->styles_sec);
362 }
363
364 psiconv_progress(lev+2,header->section_table_offset,
365 "Looking for the Text section");
366 if (!text_sec) {
367 psiconv_warn(lev+2,header->section_table_offset,
368 "Text section not found in the section table");
369 (*result)->paragraphs = NULL;
370 res = -1;
371 } else {
372 psiconv_debug(lev+2,header->section_table_offset,
373 "Text section at offset %08x",text_sec);
374 res |= psiconv_parse_text_section(buf,lev+2,text_sec,NULL,
375 &(*result)->paragraphs);
376 }
377
378 if (((*result)->paragraphs) && ((*result)->styles_sec)) {
379 psiconv_progress(lev+2,header->section_table_offset,
380 "Looking for the Layout section");
381 if (!layout_sec) {
382 psiconv_debug(lev+2,header->section_table_offset,
383 "Layout section not found in the section table");
384 res = -1;
385 } else {
386 psiconv_debug(lev+2,header->section_table_offset,
387 "Layout section at offset %08x",layout_sec);
388 res |= psiconv_parse_styled_layout_section(buf,lev+2,layout_sec,NULL,
389 (*result)->paragraphs,
390 (*result)->styles_sec);
391 }
392 } else
393 psiconv_debug(lev+2,header->section_table_offset,
394 "Skipping search for Layout section, as either the "
395 "text or the word styles section was not found");
396
397 psiconv_free_application_id_section(appl_id);
398 psiconv_free_header_section(header);
399 psiconv_free_section_table_section(table);
400
401 psiconv_progress(lev+1,off,"End of word file");
402 return res;
403 }

frodo@frodo.looijaard.name
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