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Annotation of /psiconv/trunk/lib/psiconv/parse_common.c

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Revision 351 - (hide annotations)
Wed Oct 22 19:53:40 2014 UTC (9 years, 5 months ago) by frodo
File MIME type: text/plain
File size: 44064 byte(s)
(Frodo) Update copyright year in all source files

1 frodo 2 /*
2     parse_common.c - Part of psiconv, a PSION 5 file formats converter
3 frodo 351 Copyright (c) 1999-2014 Frodo Looijaard <frodo@frodo.looijaard.name>
4 frodo 2
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 frodo 20 #include "compat.h"
22 frodo 2 #include <stdlib.h>
23     #include <string.h>
24    
25     #include "parse_routines.h"
26 frodo 71 #include "error.h"
27 frodo 2
28 frodo 142 #ifdef DMALLOC
29     #include <dmalloc.h>
30     #endif
31    
32    
33 frodo 168 static int psiconv_parse_layout_section(const psiconv_config config,
34     const psiconv_buffer buf,
35 frodo 2 int lev,psiconv_u32 off,
36     int *length,
37     psiconv_text_and_layout result,
38     psiconv_word_styles_section styles,
39     int with_styles);
40 frodo 162 static psiconv_file_type_t psiconv_determine_embedded_object_type
41 frodo 168 (const psiconv_config config,
42     const psiconv_buffer buf,int lev,
43 frodo 162 int *status);
44 frodo 2
45 frodo 168 int psiconv_parse_header_section(const psiconv_config config,
46     const psiconv_buffer buf,int lev,
47 frodo 2 psiconv_u32 off, int *length,
48     psiconv_header_section *result)
49     {
50     int res=0;
51     int len=0;
52     psiconv_u32 temp;
53    
54 frodo 168 psiconv_progress(config,lev+1,off+len,"Going to read the header section");
55 frodo 64 if (!((*result) = malloc(sizeof(**result))))
56     goto ERROR1;
57 frodo 2
58 frodo 168 psiconv_progress(config,lev+2,off+len,"Going to read UID1 to UID3");
59     (*result)->uid1 = psiconv_read_u32(config,buf,lev+2,off+len,&res);
60 frodo 65 if (res)
61 frodo 64 goto ERROR2;
62 frodo 168 psiconv_debug(config,lev+2,off+len,"UID1: %08x",(*result)->uid1);
63 frodo 41 if ((*result)->uid1 == PSICONV_ID_CLIPART) {
64     /* That's all folks... */
65     (*result)->file = psiconv_clipart_file;
66     (*result)->uid2 = 0;
67     (*result)->uid3 = 0;
68     (*result)->checksum = 0;
69     len += 4;
70 frodo 168 psiconv_debug(config,lev+2,off+len,"File is a Clipart file");
71 frodo 41 goto DONE;
72     }
73 frodo 2 if ((*result)->uid1 != PSICONV_ID_PSION5) {
74 frodo 184 psiconv_error(config,lev+2,off+len,
75 frodo 168 "UID1 has unknown value. This is probably "
76 frodo 2 "not a (parsable) Psion 5 file");
77 frodo 64 res = -PSICONV_E_PARSE;
78     goto ERROR2;
79 frodo 2 }
80     len += 4;
81 frodo 168 (*result)->uid2 = psiconv_read_u32(config,buf,lev+2,off+len,&res);
82 frodo 64 if (res)
83     goto ERROR2;
84 frodo 168 psiconv_debug(config,lev+2,off+len,"UID2: %08x",(*result)->uid2);
85 frodo 2 len += 4;
86 frodo 168 (*result)->uid3 = psiconv_read_u32(config,buf,lev+2,off+len,&res);
87 frodo 64 if (res)
88     goto ERROR2;
89 frodo 168 psiconv_debug(config,lev+2,off+len,"UID3: %08x",(*result)->uid3);
90 frodo 2 len += 4;
91    
92     (*result)->file = psiconv_unknown_file;
93     if ((*result)->uid1 == PSICONV_ID_PSION5) {
94     if ((*result)->uid2 == PSICONV_ID_DATA_FILE) {
95     if ((*result)->uid3 == PSICONV_ID_WORD) {
96     (*result)->file = psiconv_word_file;
97 frodo 168 psiconv_debug(config,lev+2,off+len,"File is a Word file");
98 frodo 2 } else if ((*result)->uid3 == PSICONV_ID_TEXTED) {
99     (*result)->file = psiconv_texted_file;
100 frodo 168 psiconv_debug(config,lev+2,off+len,"File is a TextEd file");
101 frodo 24 } else if ((*result)->uid3 == PSICONV_ID_SKETCH) {
102     (*result)->file = psiconv_sketch_file;
103 frodo 168 psiconv_debug(config,lev+2,off+len,"File is a Sketch file");
104 frodo 94 } else if ((*result)->uid3 == PSICONV_ID_SHEET) {
105     (*result)->file = psiconv_sheet_file;
106 frodo 168 psiconv_debug(config,lev+2,off+len,"File is a Sheet file");
107 frodo 94 }
108 frodo 12 } else if ((*result)->uid2 == PSICONV_ID_MBM_FILE) {
109     (*result)->file = psiconv_mbm_file;
110     if ((*result)->uid3 != 0x00)
111 frodo 168 psiconv_warn(config,lev+2,off+len,"UID3 set in MBM file?!?");
112     psiconv_debug(config,lev+2,off+len,"File is a MBM file");
113 frodo 12 }
114 frodo 2 }
115     if ((*result)->file == psiconv_unknown_file) {
116 frodo 168 psiconv_warn(config,lev+2,off+len,"Unknown file type");
117 frodo 2 (*result)->file = psiconv_unknown_file;
118     }
119    
120 frodo 168 psiconv_progress(config,lev+2,off+len,"Checking UID4");
121     temp = psiconv_read_u32(config,buf,lev+2,off+len,&res);
122 frodo 64 if (res)
123     goto ERROR2;
124 frodo 2 if (temp == psiconv_checkuid((*result)->uid1,(*result)->uid2,
125     (*result)->uid3))
126 frodo 168 psiconv_debug(config,lev+2,off+len,"Checksum %08x is correct",temp);
127 frodo 2 else {
128 frodo 184 psiconv_error(config,lev+2,off+len,"Checksum failed, file corrupted!");
129 frodo 168 psiconv_debug(config,lev+2,off+len,"Expected checksum %08x, found %08x",
130 frodo 2 psiconv_checkuid((*result)->uid1,(*result)->uid2,
131     (*result)->uid3),temp);
132 frodo 64 res = -PSICONV_E_PARSE;
133     goto ERROR2;
134 frodo 2 }
135     len += 4;
136 frodo 41
137     DONE:
138 frodo 2 if (length)
139     *length = len;
140    
141 frodo 168 psiconv_progress(config,lev+1,off+len-1,
142 frodo 2 "End of Header Section (total length: %08x)",len);
143    
144     return res;
145 frodo 64
146     ERROR2:
147     free(*result);
148     ERROR1:
149 frodo 184 psiconv_error(config,lev+1,off,"Reading of Header Section failed");
150 frodo 64 if (length)
151     *length = 0;
152     if (res == 0)
153     return -PSICONV_E_NOMEM;
154     else
155     return res;
156 frodo 2 }
157    
158 frodo 168 int psiconv_parse_section_table_section(const psiconv_config config,
159     const psiconv_buffer buf, int lev,
160 frodo 2 psiconv_u32 off, int *length,
161     psiconv_section_table_section *result)
162     {
163     int res=0;
164     int len=0;
165     psiconv_section_table_entry entry;
166    
167     int i;
168     psiconv_u8 nr;
169    
170 frodo 168 psiconv_progress(config,lev+1,off+len,"Going to read the section table section");
171 frodo 64 if (!(*result = psiconv_list_new(sizeof(*entry))))
172     goto ERROR1;
173 frodo 2
174 frodo 168 psiconv_progress(config,lev+2,off+len,"Going to read the section table length");
175     nr = psiconv_read_u8(config,buf,lev+2,off+len,&res);
176 frodo 64 if (res)
177     goto ERROR2;
178 frodo 168 psiconv_debug(config,lev+2,off+len,"Length: %08x",nr);
179 frodo 2 if (nr & 0x01) {
180 frodo 168 psiconv_warn(config,lev+2,off+len,
181 frodo 2 "Section table length odd - ignoring last entry");
182     }
183     len ++;
184    
185 frodo 168 psiconv_progress(config,lev+2,off+len,"Going to read the section table entries");
186 frodo 2 entry = malloc(sizeof(*entry));
187     for (i = 0; i < nr / 2; i++) {
188 frodo 168 entry->id = psiconv_read_u32(config,buf,lev+2,off + len,&res);
189 frodo 64 if (res)
190     goto ERROR3;
191 frodo 168 psiconv_debug(config,lev+2,off + len,"Entry %d: ID = %08x",i,entry->id);
192 frodo 2 len += 0x04;
193 frodo 168 entry->offset = psiconv_read_u32(config,buf,lev+2,off + len,&res);
194 frodo 64 if (res)
195     goto ERROR3;
196 frodo 168 psiconv_debug(config,lev+2,off +len,"Entry %d: Offset = %08x",i,entry->offset);
197 frodo 2 len += 0x04;
198 frodo 64 if ((res=psiconv_list_add(*result,entry)))
199     goto ERROR3;
200 frodo 2 }
201    
202     free(entry);
203    
204     if (length)
205     *length = len;
206    
207 frodo 168 psiconv_progress(config,lev+1,off+len-1,"End of section table section "
208 frodo 25 "(total length: %08x)", len);
209 frodo 2
210 frodo 64 return 0;
211     ERROR3:
212     free(entry);
213     ERROR2:
214     psiconv_list_free(*result);
215     ERROR1:
216 frodo 184 psiconv_error(config,lev+1,off,"Reading of Section Table Section failed");
217 frodo 64 if (length)
218     *length = 0;
219     if (res == 0)
220     return -PSICONV_E_NOMEM;
221     else
222     return res;
223 frodo 2 }
224    
225 frodo 168 int psiconv_parse_application_id_section(const psiconv_config config,
226     const psiconv_buffer buf, int lev,
227 frodo 2 psiconv_u32 off, int *length,
228     psiconv_application_id_section *result)
229     {
230     int res=0;
231     int len=0;
232     int leng;
233    
234 frodo 168 psiconv_progress(config,lev+1,off,"Going to read the application id section");
235 frodo 64 if (!(*result = malloc(sizeof(**result))))
236     goto ERROR1;
237 frodo 2
238 frodo 168 psiconv_progress(config,lev+2,off+len,"Going to read the type identifier");
239     (*result)->id = psiconv_read_u32(config,buf,lev+2,off+len,&res);
240 frodo 64 if (res)
241     goto ERROR2;
242 frodo 168 psiconv_debug(config,lev+2,off+len,"Identifier: %08x",(*result)->id);
243 frodo 2 len += 4;
244    
245 frodo 168 psiconv_progress(config,lev+2,off+len,"Going to read the application id string");
246     (*result)->name = psiconv_read_string(config,buf,lev+2,off+len,&leng,&res);
247 frodo 64 if (res)
248     goto ERROR2;
249 frodo 2 len += leng;
250    
251     if (length)
252     *length = len;
253    
254 frodo 168 psiconv_progress(config,lev+1,off+len-1,"End of application id section "
255 frodo 2 "(total length: %08x", len);
256    
257     return res;
258 frodo 64 ERROR2:
259     free(*result);
260     ERROR1:
261 frodo 184 psiconv_error(config,lev+1,off,"Reading of Application ID Section failed");
262 frodo 64 if (length)
263     *length = 0;
264     if (res == 0)
265     return -PSICONV_E_NOMEM;
266     else
267     return res;
268 frodo 2 }
269    
270 frodo 168 int psiconv_parse_text_section(const psiconv_config config,
271     const psiconv_buffer buf,int lev,psiconv_u32 off,
272 frodo 2 int *length,psiconv_text_and_layout *result)
273     {
274    
275     int res = 0;
276     int len=0;
277    
278     psiconv_u32 text_len;
279     psiconv_paragraph para;
280 frodo 217 psiconv_ucs2 temp;
281     psiconv_list line;
282 frodo 2
283     int nr;
284 frodo 268 int i,leng;
285 frodo 2 char *str_copy;
286    
287 frodo 168 psiconv_progress(config,lev+1,off,"Going to parse the text section");
288 frodo 64
289     if(!(*result = psiconv_list_new(sizeof(*para))))
290     goto ERROR1;
291     if (!(para = malloc(sizeof(*para))))
292     goto ERROR2;
293    
294 frodo 217 psiconv_progress(config,lev+2,off,"Reading the text length");
295 frodo 168 text_len = psiconv_read_X(config,buf,lev+2,off,&leng,&res);
296 frodo 65 if (res)
297 frodo 64 goto ERROR3;
298 frodo 168 psiconv_debug(config,lev+2,off,"Length: %08x",text_len);
299 frodo 2 len += leng;
300    
301 frodo 217 if (!(line = psiconv_list_new(sizeof(psiconv_ucs2))))
302     goto ERROR3;
303    
304     i = 0;
305 frodo 2 nr = 0;
306 frodo 217 while (i < text_len) {
307     temp = psiconv_unicode_read_char(config,buf,lev+2,off+len+i,&leng,&res);
308 frodo 64 if (res)
309 frodo 217 goto ERROR4;
310     if (i + leng > text_len) {
311     psiconv_error(config,lev+2,off+len+i,"Malformed text section");
312     res = PSICONV_E_PARSE;
313     goto ERROR4;
314     }
315     if ((temp == 0x06) || (i + leng == text_len)) {
316 frodo 238 if (!(para->text = psiconv_unicode_from_list(line)))
317 frodo 217 goto ERROR4;
318 frodo 2
319 frodo 184 if (!(str_copy = psiconv_make_printable(config,para->text)))
320 frodo 217 goto ERROR5;
321 frodo 168 psiconv_debug(config,lev+2,off+i+len,"Line %d: %d characters",nr,
322 frodo 2 strlen(str_copy) +1);
323 frodo 168 psiconv_debug(config,lev+2,off+i+len,"Line %d: `%s'",nr,str_copy);
324 frodo 2 free(str_copy);
325 frodo 217 i += leng;
326 frodo 2
327 frodo 217 if (!(para->in_lines = psiconv_list_new(sizeof(
328     struct psiconv_in_line_layout_s))))
329     goto ERROR5;
330     if (!(para->replacements = psiconv_list_new(sizeof(
331     struct psiconv_replacement_s))))
332     goto ERROR6;
333     if (!(para->base_character = psiconv_basic_character_layout()))
334     goto ERROR7;
335     if (!(para->base_paragraph = psiconv_basic_paragraph_layout()))
336     goto ERROR8;
337     para->base_style = 0;
338    
339     if ((res = psiconv_list_add(*result,para)))
340     goto ERROR9;
341     psiconv_progress(config,lev+2,off+len+i,"Starting a new line");
342     psiconv_list_empty(line);
343 frodo 2 nr ++;
344 frodo 217 } else {
345     if ((res = psiconv_list_add(line,&temp)))
346     goto ERROR4;
347     i += leng;
348 frodo 2 }
349 frodo 64 }
350 frodo 217
351     psiconv_list_free(line);
352 frodo 2 free(para);
353    
354     len += text_len;
355    
356     if (length)
357     *length = len;
358    
359 frodo 217 psiconv_progress(config,lev+1,off+len-1,
360     "End of text section (total length: %08x", len);
361 frodo 2
362     return res;
363 frodo 64
364 frodo 217 ERROR9:
365     psiconv_free_paragraph_layout(para->base_paragraph);
366     ERROR8:
367 frodo 64 psiconv_free_character_layout(para->base_character);
368 frodo 217 ERROR7:
369 frodo 64 psiconv_list_free(para->replacements);
370 frodo 217 ERROR6:
371 frodo 64 psiconv_list_free(para->in_lines);
372 frodo 217 ERROR5:
373     free(para->text);
374 frodo 64 ERROR4:
375 frodo 217 psiconv_list_free(line);
376 frodo 64 ERROR3:
377     free(para);
378     ERROR2:
379 frodo 217 psiconv_free_text_and_layout(*result);
380 frodo 64 ERROR1:
381 frodo 184 psiconv_error(config,lev+1,off,"Reading of Text Section failed");
382 frodo 64 if (length)
383     *length = 0;
384     if (!res)
385     return -PSICONV_E_NOMEM;
386     else
387     return res;
388 frodo 2 }
389    
390     /* First do a parse_text_section, or you will get into trouble here */
391 frodo 168 int psiconv_parse_layout_section(const psiconv_config config,
392     const psiconv_buffer buf,
393 frodo 2 int lev,psiconv_u32 off,
394     int *length,
395     psiconv_text_and_layout result,
396     psiconv_word_styles_section styles,
397     int with_styles)
398     {
399     int res = 0;
400     int len = 0;
401     psiconv_u32 temp;
402     int parse_styles,nr,i,j,total,leng,line_length;
403    
404 frodo 56 typedef struct anon_style_s
405 frodo 2 {
406     int nr;
407     psiconv_s16 base_style;
408     psiconv_character_layout character;
409     psiconv_paragraph_layout paragraph;
410     } *anon_style;
411    
412     typedef psiconv_list anon_style_list; /* of struct anon_style */
413    
414     anon_style_list anon_styles;
415 frodo 56 struct anon_style_s anon;
416 frodo 2 anon_style anon_ptr=NULL;
417    
418 frodo 64 psiconv_character_layout temp_char;
419     psiconv_paragraph_layout temp_para;
420     psiconv_word_style temp_style;
421 frodo 2 psiconv_paragraph para;
422 frodo 56 struct psiconv_in_line_layout_s in_line;
423 frodo 2
424     int *inline_count;
425    
426    
427 frodo 168 psiconv_progress(config,lev+1,off,"Going to read the layout section");
428 frodo 2
429 frodo 168 psiconv_progress(config,lev+2,off,"Going to read the section type");
430     temp = psiconv_read_u16(config,buf,lev+2,off+len,&res);
431 frodo 64 if (res)
432     goto ERROR1;
433 frodo 168 psiconv_debug(config,lev+2,off+len,"Type: %02x",temp);
434 frodo 2 parse_styles = with_styles;
435     if ((temp == 0x0001) && !with_styles) {
436 frodo 168 psiconv_warn(config,lev+2,off+len,"Styleless layout section expected, "
437 frodo 2 "but styled section found!");
438     parse_styles = 1;
439     } else if ((temp == 0x0000) && (with_styles)) {
440 frodo 168 psiconv_warn(config,lev+2,off+len,"Styled layout section expected, "
441 frodo 2 "but styleless section found!");
442     parse_styles = 0;
443     } else if ((temp != 0x0000) && (temp != 0x0001)) {
444 frodo 168 psiconv_warn(config,lev+2,off+len,
445 frodo 2 "Layout section type indicator has unknown value!");
446     }
447     len += 0x02;
448    
449 frodo 168 psiconv_progress(config,lev+2,off+len,"Going to read paragraph type list");
450 frodo 64 if (!(anon_styles = psiconv_list_new(sizeof(anon))))
451     goto ERROR1;
452 frodo 168 psiconv_progress(config,lev+3,off+len,"Going to read paragraph type list length");
453     nr = psiconv_read_u8(config,buf,lev+3,off+len,&res);
454 frodo 64 if (res)
455     goto ERROR2;
456 frodo 168 psiconv_debug(config,lev+3,off+len,"Length: %02x",nr);
457 frodo 2 len ++;
458    
459 frodo 168 psiconv_progress(config,lev+3,off+len,
460 frodo 2 "Going to read the paragraph type list elements");
461     for (i = 0; i < nr; i ++) {
462 frodo 168 psiconv_progress(config,lev+3,off+len,"Element %d",i);
463     anon.nr = psiconv_read_u32(config,buf,lev+4,off+len,&res);
464 frodo 64 if (res)
465     goto ERROR3;
466 frodo 168 psiconv_debug(config,lev+4,off+len,"Number: %08x",anon.nr);
467 frodo 2 len += 0x04;
468    
469 frodo 168 psiconv_progress(config,lev+4,off,"Going to determine the base style");
470 frodo 2 if (parse_styles) {
471 frodo 168 temp = psiconv_read_u32(config,buf,lev+4, off+len,&res);
472 frodo 64 if (res)
473     goto ERROR3;
474 frodo 168 anon.base_style = psiconv_read_u8(config,buf,lev+3, off+len+4+temp,&res);
475 frodo 64 if (res)
476     goto ERROR3;
477 frodo 168 psiconv_debug(config,lev+4,off+len+temp,
478 frodo 2 "Style indicator: %02x",anon.base_style);
479     } else
480     anon.base_style = 0;
481 frodo 64 if (!(temp_style = psiconv_get_style(styles,anon.base_style))) {
482 frodo 168 psiconv_warn(config,lev+4,off,"Unknown Style referenced");
483 frodo 64 if (!(temp_style = psiconv_get_style(styles,anon.base_style))) {
484 frodo 168 psiconv_warn(config,lev+4,off,"Base style unknown");
485 frodo 64 goto ERROR3;
486     }
487     }
488     if (!(anon.paragraph = psiconv_clone_paragraph_layout
489     (temp_style->paragraph)))
490     goto ERROR3;
491     if (!(anon.character = psiconv_clone_character_layout
492     (temp_style->character)))
493     goto ERROR3_1;
494 frodo 2
495 frodo 168 psiconv_progress(config,lev+4,off+len,"Going to read the paragraph layout");
496     if ((res = psiconv_parse_paragraph_layout_list(config,buf,lev+4,off+len,&leng,
497 frodo 64 anon.paragraph)))
498     goto ERROR3_2;
499 frodo 2 len += leng;
500     if (parse_styles)
501     len ++;
502    
503 frodo 168 psiconv_progress(config,lev+4,off+len,"Going to read the character layout");
504     if ((res = psiconv_parse_character_layout_list(config,buf,lev+4,off+len,&leng,
505 frodo 64 anon.character)))
506     goto ERROR3_2;
507 frodo 2 len += leng;
508 frodo 64 if ((res = psiconv_list_add(anon_styles,&anon)))
509     goto ERROR3_2;
510 frodo 2 }
511    
512 frodo 168 psiconv_progress(config,lev+2,off+len,"Going to parse the paragraph element list");
513     psiconv_progress(config,lev+3,off+len,"Going to read the number of paragraphs");
514     nr = psiconv_read_u32(config,buf,lev+3,off+len,&res);
515 frodo 64 if (res)
516     goto ERROR3;
517 frodo 2 if (nr != psiconv_list_length(result)) {
518 frodo 168 psiconv_warn(config,lev+3,off+len,
519 frodo 2 "Number of text paragraphs and paragraph elements does not match");
520 frodo 168 psiconv_debug(config,lev+3,off+len,
521 frodo 2 "%d text paragraphs, %d paragraph elements",
522     psiconv_list_length(result),nr);
523     }
524 frodo 168 psiconv_debug(config,lev+3,off+len,"Number of paragraphs: %d",nr);
525 frodo 2 len += 4;
526 frodo 64 if (!(inline_count = malloc(nr * sizeof(*inline_count))))
527     goto ERROR3;
528 frodo 2
529 frodo 168 psiconv_progress(config,lev+3,off+len,"Going to read the paragraph elements");
530 frodo 2 for (i = 0; i < nr; i ++) {
531 frodo 168 psiconv_progress(config,lev+3,off+len,"Element %d",i);
532 frodo 2 if (i >= psiconv_list_length(result)) {
533 frodo 168 psiconv_debug(config,lev+4,off+len,"Going to allocate a new element");
534 frodo 64 if (!(para = malloc(sizeof(*para))))
535     goto ERROR4;
536     if (!(para->in_lines = psiconv_list_new(sizeof(
537     struct psiconv_in_line_layout_s))))
538     goto ERROR4_1;
539 frodo 2 para->base_style = 0;
540 frodo 64 if (!(para->base_character = psiconv_basic_character_layout()))
541     goto ERROR4_2;
542     if (!(para->base_paragraph = psiconv_basic_paragraph_layout()))
543     goto ERROR4_3;
544     if ((res = psiconv_list_add(result,para)))
545     goto ERROR4_4;
546 frodo 2 free(para);
547     }
548 frodo 64 if (!(para = psiconv_list_get(result,i)))
549     goto ERROR4;
550 frodo 2
551 frodo 168 psiconv_progress(config,lev+4,off+len,"Going to read the paragraph length");
552     temp = psiconv_read_u32(config,buf,lev+4,off+len,&res);
553 frodo 65 if (res)
554 frodo 64 goto ERROR4;
555 frodo 184 if (temp != psiconv_unicode_strlen(para->text)+1) {
556 frodo 168 psiconv_warn(config,lev+4,off+len,
557 frodo 2 "Disagreement of the length of paragraph in layout section");
558 frodo 168 psiconv_debug(config,lev+4,off+len,
559 frodo 2 "Paragraph length: layout section says %d, counted %d",
560 frodo 184 temp,psiconv_unicode_strlen(para->text)+1);
561 frodo 2 } else
562 frodo 168 psiconv_debug(config,lev+4,off+len,"Paragraph length: %d",temp);
563 frodo 2 len += 4;
564    
565 frodo 168 psiconv_progress(config,lev+4,off+len,"Going to read the paragraph type");
566     temp = psiconv_read_u8(config,buf,lev+4,off+len,&res);
567 frodo 65 if (res)
568 frodo 64 goto ERROR4;
569 frodo 2 if (temp != 0x00) {
570 frodo 168 psiconv_debug(config,lev+4,off+len,"Type: %02x",temp);
571 frodo 2 for (j = 0; j < psiconv_list_length(anon_styles); j++) {
572 frodo 64 if (!(anon_ptr = psiconv_list_get(anon_styles,j))) {
573 frodo 233 psiconv_error(config,lev+4,off+len,"Data structure corruption");
574 frodo 64 goto ERROR4;
575     }
576 frodo 2 if (temp == anon_ptr->nr)
577     break;
578     }
579     if (j == psiconv_list_length(anon_styles)) {
580 frodo 168 psiconv_warn(config,lev+4,off+len,"Layout section paragraph type unknown");
581     psiconv_debug(config,lev+4,off+len,"Unknown type - using base styles instead");
582 frodo 2 para->base_style = 0;
583 frodo 64 if (!(temp_style = psiconv_get_style(styles,0))) {
584 frodo 184 psiconv_error(config,lev+4,off,"Base style unknown");
585 frodo 64 goto ERROR4;
586     }
587     if (!(temp_para = psiconv_clone_paragraph_layout
588     (temp_style->paragraph)))
589     goto ERROR4;
590 frodo 2 psiconv_free_paragraph_layout(para->base_paragraph);
591 frodo 64 para->base_paragraph = temp_para;
592    
593     if (!(temp_char = psiconv_clone_character_layout
594     (temp_style->character)))
595     goto ERROR4;
596 frodo 2 psiconv_free_character_layout(para->base_character);
597 frodo 64 para->base_character = temp_char;
598 frodo 2 } else {
599     para->base_style = anon_ptr->base_style;
600 frodo 64 if (!(temp_para = psiconv_clone_paragraph_layout (anon_ptr->paragraph)))
601     goto ERROR4;
602 frodo 2 psiconv_free_paragraph_layout(para->base_paragraph);
603 frodo 64 para->base_paragraph = temp_para;
604    
605     if (!(temp_char = psiconv_clone_character_layout (anon_ptr->character)))
606     goto ERROR4;
607 frodo 2 psiconv_free_character_layout(para->base_character);
608 frodo 64 para->base_character = temp_char;
609 frodo 2 }
610     inline_count[i] = 0;
611     len += 0x01;
612     } else {
613 frodo 168 psiconv_debug(config,lev+4,off+len,"Type: %02x (not based on a paragraph type)"
614 frodo 2 ,temp);
615     len += 0x01;
616     if (parse_styles) {
617 frodo 168 temp = psiconv_read_u32(config,buf,lev+4,off+len,&res);
618 frodo 64 if (res)
619     goto ERROR4;
620 frodo 168 psiconv_progress(config,lev+4,off+len+temp+4,
621 frodo 2 "Going to read the paragraph element base style");
622 frodo 168 temp = psiconv_read_u8(config,buf,lev+4, off+len+temp+4,&res);
623 frodo 64 if (res)
624     goto ERROR4;
625 frodo 168 psiconv_debug(config,lev+4,off+len+temp+4, "Style: %02x",temp);
626 frodo 2 } else
627     temp = 0x00;
628 frodo 64
629     if (!(temp_style = psiconv_get_style (styles,temp))) {
630 frodo 168 psiconv_warn(config,lev+4,off,"Unknown Style referenced");
631 frodo 64 if (!(temp_style = psiconv_get_style(styles,0))) {
632 frodo 184 psiconv_error(config,lev+4,off,"Base style unknown");
633 frodo 64 goto ERROR4;
634     }
635     }
636    
637     if (!(temp_para = psiconv_clone_paragraph_layout(temp_style->paragraph)))
638     goto ERROR4;
639 frodo 2 psiconv_free_paragraph_layout(para->base_paragraph);
640 frodo 64 para->base_paragraph = temp_para;
641    
642     if (!(temp_char = psiconv_clone_character_layout(temp_style->character)))
643     goto ERROR4;
644 frodo 2 psiconv_free_character_layout(para->base_character);
645 frodo 64 para->base_character = temp_char;
646    
647 frodo 2 para->base_style = temp;
648 frodo 168 psiconv_progress(config,lev+4,off+len,"Going to read paragraph layout");
649     if ((res = psiconv_parse_paragraph_layout_list(config,buf,lev+4,off+len,&leng,
650 frodo 64 para->base_paragraph)))
651     goto ERROR4;
652 frodo 2 len += leng;
653     if (parse_styles)
654     len += 1;
655 frodo 168 psiconv_progress(config,lev+4,off+len,"Going to read number of in-line "
656 frodo 2 "layout elements");
657 frodo 168 inline_count[i] = psiconv_read_u32(config,buf,lev+4,off+len,&res);
658 frodo 64 if (res)
659     goto ERROR4;
660 frodo 168 psiconv_debug(config,lev+4,off+len,"Nr: %08x",inline_count[i]);
661 frodo 2 len += 4;
662     }
663     }
664    
665 frodo 168 psiconv_progress(config,lev+2,off+len,"Going to read the text layout inline list");
666 frodo 2
667 frodo 168 psiconv_progress(config,lev+3,off+len,"Going to read the number of elements");
668     nr = psiconv_read_u32(config,buf,lev+3,off+len,&res);
669 frodo 64 if (res)
670     goto ERROR4;
671 frodo 168 psiconv_debug(config,lev+3,off+len,"Elements: %08x",nr);
672 frodo 2 len += 0x04;
673    
674 frodo 168 psiconv_progress(config,lev+3,off+len,
675 frodo 2 "Going to read the text layout inline elements");
676     total = 0;
677     for (i = 0; i < psiconv_list_length(result); i++) {
678 frodo 64 if (!(para = psiconv_list_get(result,i))) {
679 frodo 233 psiconv_error(config,lev+3,off+len,"Data structure corruption");
680 frodo 64 goto ERROR4;
681     }
682 frodo 2 line_length = -1;
683     for (j = 0; j < inline_count[i]; j++) {
684 frodo 168 psiconv_progress(config,lev+3,off+len,"Element %d: Paragraph %d, element %d",
685 frodo 2 total,i,j);
686     if (total >= nr) {
687 frodo 168 psiconv_warn(config,lev+3,off+len,
688 frodo 2 "Layout section inlines: not enough element");
689 frodo 168 psiconv_debug(config,lev+3,off+len,"Can't read element!");
690 frodo 2 } else {
691     total ++;
692 frodo 159 in_line.object = NULL;
693 frodo 160 in_line.layout = NULL;
694 frodo 64 if (!(in_line.layout = psiconv_clone_character_layout
695     (para->base_character)))
696     goto ERROR4;
697 frodo 168 psiconv_progress(config,lev+4,off+len,"Going to read the element type");
698     temp = psiconv_read_u8(config,buf,lev+4,len+off,&res);
699 frodo 64 if (res)
700 frodo 160 goto ERROR5;
701 frodo 2 len += 1;
702 frodo 168 psiconv_debug(config,lev+4,off+len,"Type: %02x",temp);
703     psiconv_progress(config,lev+4,off+len,
704 frodo 64 "Going to read the number of characters it applies to");
705 frodo 168 in_line.length = psiconv_read_u32(config,buf,lev+4,len+off,&res);
706 frodo 64 if (res)
707 frodo 160 goto ERROR5;
708 frodo 168 psiconv_debug(config,lev+4,off+len,"Length: %02x",in_line.length);
709 frodo 2 len += 4;
710 frodo 168 psiconv_progress(config,lev+4,off+len,"Going to read the character layout");
711     if ((res = psiconv_parse_character_layout_list(config,buf,lev+4,off+len,&leng,
712 frodo 64 in_line.layout)))
713 frodo 160 goto ERROR5;
714 frodo 2 len += leng;
715    
716     if (temp == 0x01) {
717 frodo 168 psiconv_debug(config,lev+4,off+len,"Found an embedded object");
718     psiconv_progress(config,lev+4,off+len,"Going to read the object marker "
719 frodo 160 "(0x%08x expected)",PSICONV_ID_OBJECT);
720 frodo 168 temp = psiconv_read_u32(config,buf,lev+4,off+len,&res);
721 frodo 160 if (res)
722     goto ERROR5;
723     if (temp != PSICONV_ID_OBJECT) {
724 frodo 168 psiconv_warn(config,lev+4,off+len,"Unknown id marks embedded object");
725     psiconv_debug(config,lev+4,off+len,"Marker: read %08x, expected %08x",
726 frodo 160 temp,PSICONV_ID_OBJECT);
727     }
728     len += 4;
729 frodo 168 psiconv_progress(config,lev+4,off+len,
730 frodo 160 "Going to read the Embedded Object Section offset");
731 frodo 168 temp = psiconv_read_u32(config,buf,lev+4,off+len,&res);
732 frodo 160 if (res)
733     goto ERROR5;
734 frodo 168 psiconv_debug(config,lev+4,off+len, "Offset: %08x",temp);
735 frodo 160 len += 4;
736 frodo 168 psiconv_progress(config,lev+4,off+len,
737 frodo 167 "Going to parse the Embedded Object Section");
738 frodo 168 if ((res = psiconv_parse_embedded_object_section(config,buf,lev+4,temp,
739 frodo 160 NULL,&(in_line.object))))
740     goto ERROR5;
741 frodo 168 psiconv_progress(config,lev+4,off+len,
742 frodo 160 "Going to read the object width");
743 frodo 168 in_line.object_width = psiconv_read_length(config,buf,lev+4,off+len,
744 frodo 160 &leng,&res);
745     if (res)
746     goto ERROR5;
747 frodo 168 psiconv_debug(config,lev+4,off+len,"Object width: %f cm",
748 frodo 160 in_line.object_width);
749     len += leng;
750 frodo 168 psiconv_progress(config,lev+4,off+len,
751 frodo 160 "Going to read the object height");
752 frodo 168 in_line.object_height = psiconv_read_length(config,buf,lev+4,off+len,&leng,
753 frodo 160 &res);
754     if (res)
755     goto ERROR5;
756 frodo 168 psiconv_debug(config,lev+4,off+len,"Object height: %f cm",
757 frodo 160 in_line.object_height);
758     len += leng;
759 frodo 2 } else if (temp != 0x00) {
760 frodo 168 psiconv_warn(config,lev+4,off+len,"Layout section unknown inline type");
761 frodo 2 }
762 frodo 184 if (line_length + in_line.length > psiconv_unicode_strlen(para->text)) {
763 frodo 168 psiconv_warn(config,lev+4,off+len,
764 frodo 2 "Layout section inlines: line length mismatch");
765     res = -1;
766 frodo 184 in_line.length = psiconv_unicode_strlen(para->text) - line_length;
767 frodo 2 }
768     line_length += in_line.length;
769 frodo 64 if ((res = psiconv_list_add(para->in_lines,&in_line)))
770 frodo 160 goto ERROR5;
771 frodo 2 }
772     }
773     }
774    
775     if (total != nr) {
776 frodo 168 psiconv_warn(config,lev+4,off+len,
777 frodo 2 "Layout section too many inlines, skipping remaining");
778     }
779    
780     free(inline_count);
781    
782     for (i = 0 ; i < psiconv_list_length(anon_styles); i ++) {
783 frodo 64 if (!(anon_ptr = psiconv_list_get(anon_styles,i))) {
784 frodo 233 psiconv_error(config,lev+4,off+len,"Data structure corruption");
785 frodo 64 goto ERROR2;
786     }
787 frodo 2 psiconv_free_character_layout(anon_ptr->character);
788     psiconv_free_paragraph_layout(anon_ptr->paragraph);
789     }
790     psiconv_list_free(anon_styles);
791    
792     if (length)
793     *length = len;
794    
795 frodo 168 psiconv_progress(config,lev+1,off+len-1,"End of layout section (total length: %08x)",
796 frodo 2 len);
797    
798 frodo 64 return 0;
799    
800     ERROR4_4:
801     psiconv_free_paragraph_layout(para->base_paragraph);
802     ERROR4_3:
803     psiconv_free_character_layout(para->base_character);
804     ERROR4_2:
805     psiconv_list_free(para->in_lines);
806     ERROR4_1:
807     free(para);
808     goto ERROR4;
809    
810     ERROR3_2:
811     psiconv_free_character_layout(anon.character);
812     ERROR3_1:
813     psiconv_free_paragraph_layout(anon.paragraph);
814     goto ERROR3;
815    
816 frodo 160 ERROR5:
817     if (in_line.layout)
818     psiconv_free_character_layout(in_line.layout);
819     if (in_line.object)
820 frodo 167 psiconv_free_embedded_object_section(in_line.object);
821 frodo 64 ERROR4:
822     free(inline_count);
823     ERROR3:
824     for (i = 0; i < psiconv_list_length(anon_styles); i++) {
825     if (!(anon_ptr = psiconv_list_get(anon_styles,i))) {
826 frodo 233 psiconv_error(config,lev+1,off,"Data structure corruption");
827 frodo 64 break;
828     }
829     psiconv_free_paragraph_layout(anon_ptr->paragraph);
830     psiconv_free_character_layout(anon_ptr->character);
831     }
832    
833     ERROR2:
834     psiconv_list_free(anon_styles);
835     ERROR1:
836 frodo 184 psiconv_error(config,lev+1,off,"Reading of Layout Section failed");
837 frodo 64 if (length)
838     *length = 0;
839     if (!res)
840     return -PSICONV_E_NOMEM;
841     else
842     return res;
843 frodo 2 }
844    
845 frodo 168 int psiconv_parse_styled_layout_section(const psiconv_config config,
846     const psiconv_buffer buf,
847 frodo 2 int lev,psiconv_u32 off,
848     int *length,
849     psiconv_text_and_layout result,
850     psiconv_word_styles_section styles)
851     {
852 frodo 168 return psiconv_parse_layout_section(config,buf,lev,off,length,result,styles,1);
853 frodo 2 }
854    
855 frodo 168 int psiconv_parse_styleless_layout_section(const psiconv_config config,
856     const psiconv_buffer buf,
857 frodo 79 int lev,psiconv_u32 off,
858     int *length,
859     psiconv_text_and_layout result,
860     const psiconv_character_layout base_char,
861     const psiconv_paragraph_layout base_para)
862 frodo 2 {
863 frodo 64 int res = 0;
864 frodo 2 psiconv_word_styles_section styles_section;
865    
866 frodo 64 if (!(styles_section = malloc(sizeof(*styles_section))))
867     goto ERROR1;
868     if (!(styles_section->normal = malloc(sizeof(*styles_section->normal))))
869     goto ERROR2;
870     if (!(styles_section->normal->character =
871     psiconv_clone_character_layout(base_char)))
872     goto ERROR3;
873     if (!(styles_section->normal->paragraph =
874     psiconv_clone_paragraph_layout(base_para)))
875     goto ERROR4;
876 frodo 2 styles_section->normal->hotkey = 0;
877 frodo 217
878     if (!(styles_section->normal->name = psiconv_unicode_empty_string()))
879 frodo 64 goto ERROR5;
880     if (!(styles_section->styles = psiconv_list_new(sizeof(
881     struct psiconv_word_style_s))))
882     goto ERROR6;
883 frodo 2
884 frodo 168 res = psiconv_parse_layout_section(config,buf,lev,off,length,result,
885 frodo 2 styles_section,0);
886    
887     psiconv_free_word_styles_section(styles_section);
888     return res;
889 frodo 64
890     ERROR6:
891     free(styles_section->normal->name);
892     ERROR5:
893     psiconv_free_paragraph_layout(styles_section->normal->paragraph);
894     ERROR4:
895     psiconv_free_character_layout(styles_section->normal->character);
896     ERROR3:
897     free(styles_section->normal);
898     ERROR2:
899     free(styles_section);
900     ERROR1:
901 frodo 184 psiconv_error(config,lev+1,off,"Reading of Styleless Layout Section failed");
902 frodo 64 if (length)
903     *length = 0;
904     if (!res)
905     return -PSICONV_E_NOMEM;
906     else
907     return res;
908 frodo 2 }
909    
910 frodo 168 int psiconv_parse_embedded_object_section(const psiconv_config config,
911     const psiconv_buffer buf, int lev,
912 frodo 160 psiconv_u32 off, int *length,
913 frodo 167 psiconv_embedded_object_section *result)
914 frodo 160 {
915     int res=0;
916     int len=0;
917     int leng,i;
918     psiconv_section_table_section table;
919     psiconv_section_table_entry entry;
920 frodo 161 psiconv_u32 icon_sec=0,display_sec=0,table_sec=0;
921 frodo 162 psiconv_buffer subbuf;
922 frodo 160
923 frodo 168 psiconv_progress(config,lev+1,off+len,"Going to read an Embedded Object");
924 frodo 160 if (!(*result = malloc(sizeof(**result))))
925     goto ERROR1;
926    
927 frodo 168 psiconv_progress(config,lev+2,off+len,"Going to read the Embedded Object Section");
928     psiconv_parse_section_table_section(config,buf,lev+2,off+len,&leng,&table);
929 frodo 160 len += leng;
930    
931     for (i = 0; i < psiconv_list_length(table); i++) {
932 frodo 168 psiconv_progress(config,lev+2,off+len,"Going to read entry %d",i);
933 frodo 160 if (!(entry = psiconv_list_get(table,i)))
934     goto ERROR2;
935     if (entry->id == PSICONV_ID_OBJECT_DISPLAY_SECTION) {
936     display_sec = entry->offset;
937 frodo 168 psiconv_debug(config,lev+3,off+len,"Found the Object Display Section at %08x",
938 frodo 160 display_sec);
939     } else if (entry->id == PSICONV_ID_OBJECT_ICON_SECTION) {
940     icon_sec = entry->offset;
941 frodo 168 psiconv_debug(config,lev+3,off+len,"Found the Object Icon Section at %08x",
942 frodo 160 icon_sec);
943     } else if (entry->id == PSICONV_ID_OBJECT_SECTION_TABLE_SECTION) {
944     table_sec = entry->offset;
945 frodo 168 psiconv_debug(config,lev+3,off+len,"Found the Object Section Table Section at %08x",
946 frodo 160 table_sec);
947     } else {
948 frodo 168 psiconv_warn(config,lev+3,off+len,
949 frodo 160 "Found unknown section in the Object Display Section "
950     "(ignoring)");
951 frodo 168 psiconv_debug(config,lev+3,off+len,"Section ID %08x, offset %08x",
952 frodo 160 entry->id, entry->offset);
953     }
954     }
955    
956 frodo 168 psiconv_progress(config,lev+2,off+len,"Looking for the Object Display Section");
957 frodo 161 if (!icon_sec) {
958 frodo 168 psiconv_warn(config,lev+2,off+len,"Object Display Section not found");
959 frodo 161 (*result)->display = NULL;
960     } else {
961 frodo 168 psiconv_debug(config,lev+2,off+len,"Object Display Section at offset %08x",
962 frodo 161 display_sec);
963 frodo 168 if ((res = psiconv_parse_object_display_section(config,buf,lev+2,display_sec,NULL,
964 frodo 161 &(*result)->display)))
965     goto ERROR2;
966     }
967    
968 frodo 168 psiconv_progress(config,lev+2,off+len,"Looking for the Object Icon Section");
969 frodo 161 if (!icon_sec) {
970 frodo 168 psiconv_warn(config,lev+2,off+len,"Object Icon Section not found");
971 frodo 161 (*result)->icon = NULL;
972     } else {
973 frodo 168 psiconv_debug(config,lev+2,off+len,"Object Icon Section at offset %08x",icon_sec);
974     if ((res = psiconv_parse_object_icon_section(config,buf,lev+2,icon_sec,NULL,
975 frodo 161 &(*result)->icon)))
976 frodo 162 goto ERROR3;
977 frodo 161 }
978    
979 frodo 168 psiconv_progress(config,lev+2,off+len,
980 frodo 162 "Looking for the Section Table Offset Section");
981     if (!table_sec) {
982 frodo 168 psiconv_warn(config,lev+2,off+len,
983 frodo 162 "Embedded Section Table Offset Section not found");
984     (*result)->object = NULL;
985     } else {
986 frodo 168 psiconv_progress(config,lev+2,off+len,
987 frodo 162 "Extracting object: add %08x to all following offsets",
988     table_sec);
989     /* We can't determine the length of the object, so we just take it all */
990     if ((res = psiconv_buffer_subbuffer(&subbuf,buf,table_sec,
991     psiconv_buffer_length(buf)-table_sec)))
992     goto ERROR4;
993    
994     if (!((*result)->object = malloc(sizeof(*(*result)->object))))
995     goto ERROR5;
996    
997     /* We need to find the file type, but we don't have a normal header */
998     /* So we try to find the Application ID Section and hope for the best */
999 frodo 168 psiconv_progress(config,lev+3,0,"Trying to determine the file type");
1000 frodo 162 (*result)->object->type = psiconv_determine_embedded_object_type
1001 frodo 168 (config,subbuf,lev+3,&res);
1002 frodo 162 switch ((*result)->object->type) {
1003     case psiconv_word_file:
1004 frodo 168 if ((res = psiconv_parse_word_file(config,subbuf,lev+3,0,
1005 frodo 162 ((psiconv_word_f *) &(*result)->object->file))))
1006     goto ERROR6;
1007     break;
1008     case psiconv_texted_file:
1009 frodo 168 if ((res = psiconv_parse_texted_file(config,subbuf,lev+3,0,
1010 frodo 162 ((psiconv_texted_f *) &(*result)->object->file))))
1011     goto ERROR6;
1012     break;
1013     case psiconv_sheet_file:
1014 frodo 168 if ((res = psiconv_parse_sheet_file(config,subbuf,lev+3,0,
1015 frodo 162 ((psiconv_sheet_f *) &(*result)->object->file))))
1016     goto ERROR6;
1017     break;
1018     case psiconv_sketch_file:
1019 frodo 168 if ((res = psiconv_parse_sketch_file(config,subbuf,lev+3,0,
1020 frodo 162 ((psiconv_sketch_f *) &(*result)->object->file))))
1021     goto ERROR6;
1022     break;
1023     default:
1024 frodo 168 psiconv_warn(config,lev+3,0,"Can't parse embedded object (still continuing)");
1025 frodo 162 (*result)->object->file = NULL;
1026     }
1027     }
1028    
1029 frodo 208 psiconv_buffer_free(subbuf);
1030     psiconv_free_section_table_section(table);
1031    
1032 frodo 161 if (length)
1033     *length = len;
1034    
1035 frodo 168 psiconv_progress(config,lev+1,off+len-1,"End of Embedded Object Section "
1036 frodo 160 "(total length: %08x)",len);
1037 frodo 161
1038 frodo 160 return res;
1039    
1040 frodo 162
1041     ERROR6:
1042     free((*result)->object);
1043     ERROR5:
1044     psiconv_buffer_free(subbuf);
1045     ERROR4:
1046     psiconv_free_object_icon_section((*result)->icon);
1047     ERROR3:
1048     psiconv_free_object_display_section((*result)->display);
1049 frodo 160 ERROR2:
1050     psiconv_free_section_table_section(table);
1051     ERROR1:
1052 frodo 184 psiconv_error(config,lev+1,off,"Reading Embedded Object failed");
1053 frodo 161
1054 frodo 160 if (length)
1055     *length = 0;
1056 frodo 161
1057 frodo 160 if (res == 0)
1058     return -PSICONV_E_NOMEM;
1059     else
1060     return res;
1061     }
1062 frodo 161
1063 frodo 162 psiconv_file_type_t psiconv_determine_embedded_object_type
1064 frodo 168 (const psiconv_config config,
1065     const psiconv_buffer buf,int lev,
1066 frodo 162 int *status)
1067     {
1068     psiconv_u32 off;
1069     psiconv_section_table_section table;
1070     int res,i;
1071     psiconv_file_type_t file_type = psiconv_unknown_file;
1072     psiconv_section_table_entry entry;
1073     psiconv_application_id_section applid;
1074    
1075 frodo 168 psiconv_progress(config,lev+1,0,"Going to determine embedded object file type");
1076     psiconv_progress(config,lev+2,0,"Going to read the Section Table Offset Section");
1077     off = psiconv_read_u32(config,buf,lev,0,&res);
1078 frodo 162 if (res)
1079     goto ERROR1;
1080 frodo 168 psiconv_debug(config,lev+2,0,"Offset: %08x",off);
1081 frodo 162
1082 frodo 168 psiconv_progress(config,lev+2,off,"Going to read the Section Table Section");
1083     if ((res = psiconv_parse_section_table_section(config,buf,lev+2,off,NULL,&table)))
1084 frodo 162 goto ERROR1;
1085    
1086 frodo 168 psiconv_progress(config,lev+2,off,"Going to search the Section Table Section "
1087 frodo 162 "for the Application ID Section");
1088     for (i=0; i < psiconv_list_length(table); i++) {
1089 frodo 168 psiconv_progress(config,lev+3,off,"Going to read entry %d",i);
1090 frodo 162 if (!(entry = psiconv_list_get(table,i)))
1091     goto ERROR2;
1092     if (entry->id == PSICONV_ID_APPL_ID_SECTION) {
1093 frodo 168 psiconv_progress(config,lev+3,off,
1094 frodo 162 "Found the Application ID Section at offset %08x",
1095     entry->offset);
1096     off = entry->offset;
1097     break;
1098     }
1099     }
1100     if (i == psiconv_list_length(table)) {
1101 frodo 184 psiconv_error(config,lev+2,off,"No Application ID Section found");
1102 frodo 162 res = PSICONV_E_PARSE;
1103     goto ERROR2;
1104     }
1105    
1106 frodo 168 psiconv_progress(config,lev+2,off,"Going to read the Application ID Section");
1107     if ((res = psiconv_parse_application_id_section(config,buf,lev+2,off,NULL,&applid)))
1108 frodo 162 goto ERROR2;
1109    
1110     switch (applid->id) {
1111     case PSICONV_ID_WORD: file_type = psiconv_word_file;
1112 frodo 168 psiconv_debug(config,lev+2,off,"Found a Word file");
1113 frodo 162 break;
1114     case PSICONV_ID_TEXTED: file_type = psiconv_texted_file;
1115 frodo 168 psiconv_debug(config,lev+2,off,"Found a TextEd file");
1116 frodo 162 break;
1117     case PSICONV_ID_SKETCH: file_type = psiconv_sketch_file;
1118 frodo 168 psiconv_debug(config,lev+2,off,"Found a Sketch file");
1119 frodo 162 break;
1120     case PSICONV_ID_SHEET: file_type = psiconv_sheet_file;
1121 frodo 168 psiconv_debug(config,lev+2,off,"Found a Sheet file");
1122 frodo 162 break;
1123 frodo 168 default: psiconv_warn(config,lev+2,off,"Found an unknown file type");
1124     psiconv_debug(config,lev+2,off,"Found ID %08x",applid->id);
1125 frodo 162 }
1126    
1127     ERROR2:
1128     psiconv_free_application_id_section(applid);
1129     ERROR1:
1130     psiconv_free_section_table_section(table);
1131     if (status)
1132     *status = res;
1133     return file_type;
1134    
1135     }
1136    
1137 frodo 168 int psiconv_parse_object_display_section(const psiconv_config config,
1138     const psiconv_buffer buf,int lev,
1139 frodo 161 psiconv_u32 off, int *length,
1140     psiconv_object_display_section *result)
1141     {
1142     int res = 0;
1143     int len = 0;
1144     int leng;
1145     psiconv_u32 temp;
1146    
1147 frodo 168 psiconv_progress(config,lev+1,off,"Going to read the Object Display Section");
1148 frodo 161 if (!(*result = malloc(sizeof(**result))))
1149     goto ERROR1;
1150    
1151 frodo 168 psiconv_progress(config,lev+2,off+len,"Going to read the display as icon flag "
1152 frodo 161 "(expecting 0x00 or 0x01)");
1153 frodo 168 temp = psiconv_read_u8(config,buf,lev+2,off+len,&res);
1154 frodo 161 if (res)
1155     goto ERROR2;
1156     if (temp == 0x00) {
1157     (*result)->show_icon = psiconv_bool_true;
1158 frodo 168 psiconv_debug(config,lev+2,off+len,"Displayed as icon");
1159 frodo 161 } else if (temp == 0x01) {
1160     (*result)->show_icon = psiconv_bool_false;
1161 frodo 168 psiconv_debug(config,lev+2,off+len,"Displayed as full document");
1162 frodo 161 } else {
1163 frodo 168 psiconv_warn(config,lev+2,off+len,"Unknown Object Display Section Icon Flag");
1164     psiconv_debug(config,lev+2,off+len,"Icon flag found: %02x",temp);
1165 frodo 161 /* Improvise */
1166     (*result)->show_icon = (temp & 0x01?psiconv_bool_false:psiconv_bool_true);
1167     }
1168     len ++;
1169    
1170 frodo 168 psiconv_progress(config,lev+2,off+len,"Going to read the display width");
1171     (*result)->width = psiconv_read_length(config,buf,lev+2,off+len,&leng,&res);
1172 frodo 161 if (res)
1173     goto ERROR2;
1174 frodo 168 psiconv_debug(config,lev+2,off+len,"Display width: %f cm",(*result)->width);
1175 frodo 161 len += leng;
1176    
1177 frodo 168 psiconv_progress(config,lev+2,off+len,"Going to read the display height");
1178     (*result)->height = psiconv_read_length(config,buf,lev+2,off+len,&leng,&res);
1179 frodo 161 if (res)
1180     goto ERROR2;
1181 frodo 168 psiconv_debug(config,lev+2,off+len,"Display length: %f cm",(*result)->height);
1182 frodo 161 len += leng;
1183    
1184 frodo 168 psiconv_progress(config,lev+2,off+len,"Going to read unknown long (%08x expected)",
1185 frodo 161 0);
1186 frodo 168 temp = psiconv_read_u32(config,buf,lev+2,off+len,&res);
1187 frodo 161 if (temp != 0) {
1188 frodo 168 psiconv_warn(config,lev+2,off+len,"Unknown Object Display Section final long");
1189     psiconv_debug(config,lev+2,off+len,"Long read: %08x",temp);
1190 frodo 161 }
1191     len += 4;
1192    
1193     if (length)
1194     *length = len;
1195    
1196 frodo 168 psiconv_progress(config,lev+1,off+len-1,"End of Object Display Section "
1197 frodo 161 "(total length: %08x",len);
1198     return res;
1199    
1200     ERROR2:
1201     free(*result);
1202     ERROR1:
1203 frodo 184 psiconv_error(config,lev+1,off+len,"Reading of Object Display Section failed");
1204 frodo 161 if (length)
1205     *length=0;
1206     if (!res)
1207     return -PSICONV_E_NOMEM;
1208     else
1209     return res;
1210     }
1211    
1212 frodo 168 int psiconv_parse_object_icon_section(const psiconv_config config,
1213     const psiconv_buffer buf,int lev,
1214 frodo 161 psiconv_u32 off, int *length,
1215     psiconv_object_icon_section *result)
1216     {
1217     int res = 0;
1218     int len = 0;
1219     int leng;
1220    
1221 frodo 168 psiconv_progress(config,lev+1,off,"Going to read the Object Icon Section");
1222 frodo 161 if (!(*result = malloc(sizeof(**result))))
1223     goto ERROR1;
1224    
1225 frodo 168 psiconv_progress(config,lev+2,off+len,"Going to read the icon name");
1226     (*result)->icon_name = psiconv_read_string(config,buf,lev+2,off+len,&leng,&res);
1227 frodo 161 if (res)
1228     goto ERROR2;
1229     len += leng;
1230    
1231 frodo 168 psiconv_progress(config,lev+2,off+len,"Going to read the icon width");
1232     (*result)->icon_width = psiconv_read_length(config,buf,lev+2,off+len,&leng,&res);
1233 frodo 161 if (res)
1234     goto ERROR3;
1235 frodo 168 psiconv_debug(config,lev+2,off+len,"Icon width: %f cm",(*result)->icon_width);
1236 frodo 161 len += leng;
1237    
1238 frodo 168 psiconv_progress(config,lev+2,off+len,"Going to read the icon height");
1239     (*result)->icon_height = psiconv_read_length(config,buf,lev+2,off+len,&leng,&res);
1240 frodo 161 if (res)
1241     goto ERROR3;
1242 frodo 168 psiconv_debug(config,lev+2,off+len,"Icon length: %f cm",(*result)->icon_height);
1243 frodo 161 len += leng;
1244    
1245     if (length)
1246     *length = len;
1247    
1248 frodo 168 psiconv_progress(config,lev+1,off+len-1,"End of Object Icon Section"
1249 frodo 161 "(total length: %08x",len);
1250     return res;
1251    
1252     ERROR3:
1253     free((*result)->icon_name);
1254     ERROR2:
1255     free(*result);
1256     ERROR1:
1257 frodo 184 psiconv_error(config,lev+1,off+len,"Reading of Object Icon Section failed");
1258 frodo 161 if (length)
1259     *length=0;
1260     if (!res)
1261     return -PSICONV_E_NOMEM;
1262     else
1263     return res;
1264     }

frodo@frodo.looijaard.name
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