/[public]/psiconv/trunk/lib/psiconv/parse_common.c
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Revision 20 Revision 168
1/* 1/*
2 parse_common.c - Part of psiconv, a PSION 5 file formats converter 2 parse_common.c - Part of psiconv, a PSION 5 file formats converter
3 Copyright (c) 1999 Frodo Looijaard <frodol@dds.nl> 3 Copyright (c) 1999, 2000 Frodo Looijaard <frodol@dds.nl>
4 4
5 This program is free software; you can redistribute it and/or modify 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 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 7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version. 8 (at your option) any later version.
20#include "config.h" 20#include "config.h"
21#include "compat.h" 21#include "compat.h"
22#include <stdlib.h> 22#include <stdlib.h>
23#include <string.h> 23#include <string.h>
24 24
25#include "data.h"
26#include "parse_routines.h" 25#include "parse_routines.h"
26#include "error.h"
27 27
28#ifdef DMALLOC
29#include <dmalloc.h>
30#endif
31
32
28static int psiconv_parse_layout_section(const psiconv_buffer buf, 33static int psiconv_parse_layout_section(const psiconv_config config,
34 const psiconv_buffer buf,
29 int lev,psiconv_u32 off, 35 int lev,psiconv_u32 off,
30 int *length, 36 int *length,
31 psiconv_text_and_layout result, 37 psiconv_text_and_layout result,
32 psiconv_word_styles_section styles, 38 psiconv_word_styles_section styles,
33 int with_styles); 39 int with_styles);
40static psiconv_file_type_t psiconv_determine_embedded_object_type
41 (const psiconv_config config,
42 const psiconv_buffer buf,int lev,
43 int *status);
34 44
35int psiconv_parse_header_section(const psiconv_buffer buf,int lev, 45int psiconv_parse_header_section(const psiconv_config config,
46 const psiconv_buffer buf,int lev,
36 psiconv_u32 off, int *length, 47 psiconv_u32 off, int *length,
37 psiconv_header_section *result) 48 psiconv_header_section *result)
38{ 49{
39 int res=0; 50 int res=0;
40 int len=0; 51 int len=0;
41 psiconv_u32 temp; 52 psiconv_u32 temp;
42 53
43 psiconv_progress(lev+1,off+len,"Going to read the header section"); 54 psiconv_progress(config,lev+1,off+len,"Going to read the header section");
44 (*result) = malloc(sizeof(**result)); 55 if (!((*result) = malloc(sizeof(**result))))
56 goto ERROR1;
45 57
46 psiconv_progress(lev+2,off+len,"Going to read UID1 to UID3"); 58 psiconv_progress(config,lev+2,off+len,"Going to read UID1 to UID3");
47 (*result)->uid1 = psiconv_read_u32(buf,lev+2,off+len); 59 (*result)->uid1 = psiconv_read_u32(config,buf,lev+2,off+len,&res);
60 if (res)
61 goto ERROR2;
48 psiconv_debug(lev+2,off+len,"UID1: %08x",(*result)->uid1); 62 psiconv_debug(config,lev+2,off+len,"UID1: %08x",(*result)->uid1);
63 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 psiconv_debug(config,lev+2,off+len,"File is a Clipart file");
71 goto DONE;
72 }
49 if ((*result)->uid1 != PSICONV_ID_PSION5) { 73 if ((*result)->uid1 != PSICONV_ID_PSION5) {
50 psiconv_warn(lev+2,off+len,"UID1 has unknown value. This is probably " 74 psiconv_warn(config,lev+2,off+len,
75 "UID1 has unknown value. This is probably "
51 "not a (parsable) Psion 5 file"); 76 "not a (parsable) Psion 5 file");
52 res = -1; 77 res = -PSICONV_E_PARSE;
78 goto ERROR2;
53 } 79 }
54 len += 4; 80 len += 4;
55 (*result)->uid2 = psiconv_read_u32(buf,lev+2,off+len); 81 (*result)->uid2 = psiconv_read_u32(config,buf,lev+2,off+len,&res);
82 if (res)
83 goto ERROR2;
56 psiconv_debug(lev+2,off+len,"UID2: %08x",(*result)->uid2); 84 psiconv_debug(config,lev+2,off+len,"UID2: %08x",(*result)->uid2);
57 len += 4; 85 len += 4;
58 (*result)->uid3 = psiconv_read_u32(buf,lev+2,off+len); 86 (*result)->uid3 = psiconv_read_u32(config,buf,lev+2,off+len,&res);
87 if (res)
88 goto ERROR2;
59 psiconv_debug(lev+2,off+len,"UID3: %08x",(*result)->uid3); 89 psiconv_debug(config,lev+2,off+len,"UID3: %08x",(*result)->uid3);
60 len += 4; 90 len += 4;
61 91
62 (*result)->file = psiconv_unknown_file; 92 (*result)->file = psiconv_unknown_file;
63 if ((*result)->uid1 == PSICONV_ID_PSION5) { 93 if ((*result)->uid1 == PSICONV_ID_PSION5) {
64 if ((*result)->uid2 == PSICONV_ID_DATA_FILE) { 94 if ((*result)->uid2 == PSICONV_ID_DATA_FILE) {
65 if ((*result)->uid3 == PSICONV_ID_WORD) { 95 if ((*result)->uid3 == PSICONV_ID_WORD) {
66 (*result)->file = psiconv_word_file; 96 (*result)->file = psiconv_word_file;
67 psiconv_debug(lev+2,off+len,"File is a Word file"); 97 psiconv_debug(config,lev+2,off+len,"File is a Word file");
68 } else if ((*result)->uid3 == PSICONV_ID_TEXTED) { 98 } else if ((*result)->uid3 == PSICONV_ID_TEXTED) {
69 (*result)->file = psiconv_texted_file; 99 (*result)->file = psiconv_texted_file;
70 psiconv_debug(lev+2,off+len,"File is a TextEd file"); 100 psiconv_debug(config,lev+2,off+len,"File is a TextEd file");
101 } else if ((*result)->uid3 == PSICONV_ID_SKETCH) {
102 (*result)->file = psiconv_sketch_file;
103 psiconv_debug(config,lev+2,off+len,"File is a Sketch file");
104 } else if ((*result)->uid3 == PSICONV_ID_SHEET) {
105 (*result)->file = psiconv_sheet_file;
106 psiconv_debug(config,lev+2,off+len,"File is a Sheet file");
71 } 107 }
72 } else if ((*result)->uid2 == PSICONV_ID_MBM_FILE) { 108 } else if ((*result)->uid2 == PSICONV_ID_MBM_FILE) {
73 (*result)->file = psiconv_mbm_file; 109 (*result)->file = psiconv_mbm_file;
74 if ((*result)->uid3 != 0x00) 110 if ((*result)->uid3 != 0x00)
75 psiconv_warn(lev+2,off+len,"UID3 set in MBM file?!?"); 111 psiconv_warn(config,lev+2,off+len,"UID3 set in MBM file?!?");
76 psiconv_debug(lev+2,off+len,"File is a MBM file"); 112 psiconv_debug(config,lev+2,off+len,"File is a MBM file");
77 } 113 }
78 } 114 }
79 if ((*result)->file == psiconv_unknown_file) { 115 if ((*result)->file == psiconv_unknown_file) {
80 psiconv_warn(lev+2,off+len,"Unknown file type"); 116 psiconv_warn(config,lev+2,off+len,"Unknown file type");
81 (*result)->file = psiconv_unknown_file; 117 (*result)->file = psiconv_unknown_file;
82 } 118 }
83 119
84 psiconv_progress(lev+2,off+len,"Checking UID4"); 120 psiconv_progress(config,lev+2,off+len,"Checking UID4");
85 temp = psiconv_read_u32(buf,lev+2,off+len); 121 temp = psiconv_read_u32(config,buf,lev+2,off+len,&res);
122 if (res)
123 goto ERROR2;
86 if (temp == psiconv_checkuid((*result)->uid1,(*result)->uid2, 124 if (temp == psiconv_checkuid((*result)->uid1,(*result)->uid2,
87 (*result)->uid3)) 125 (*result)->uid3))
88 psiconv_debug(lev+2,off+len,"Checksum %08x is correct",temp); 126 psiconv_debug(config,lev+2,off+len,"Checksum %08x is correct",temp);
89 else { 127 else {
90 psiconv_warn(lev+2,off+len,"Checksum failed, file corrupted!"); 128 psiconv_warn(config,lev+2,off+len,"Checksum failed, file corrupted!");
91 psiconv_debug(lev+2,off+len,"Expected checksum %08x, found %08x", 129 psiconv_debug(config,lev+2,off+len,"Expected checksum %08x, found %08x",
92 psiconv_checkuid((*result)->uid1,(*result)->uid2, 130 psiconv_checkuid((*result)->uid1,(*result)->uid2,
93 (*result)->uid3),temp); 131 (*result)->uid3),temp);
94 res = -1; 132 res = -PSICONV_E_PARSE;
133 goto ERROR2;
95 } 134 }
96 len += 4; 135 len += 4;
97 136
137DONE:
98 if (length) 138 if (length)
99 *length = len; 139 *length = len;
100 140
101 psiconv_progress(lev+1,off+len-1, 141 psiconv_progress(config,lev+1,off+len-1,
102 "End of Header Section (total length: %08x)",len); 142 "End of Header Section (total length: %08x)",len);
103 143
104 return res; 144 return res;
145
146ERROR2:
147 free(*result);
148ERROR1:
149 psiconv_warn(config,lev+1,off,"Reading of Header Section failed");
150 if (length)
151 *length = 0;
152 if (res == 0)
153 return -PSICONV_E_NOMEM;
154 else
155 return res;
105} 156}
106 157
107int psiconv_parse_section_table_section(const psiconv_buffer buf, int lev, 158int psiconv_parse_section_table_section(const psiconv_config config,
159 const psiconv_buffer buf, int lev,
108 psiconv_u32 off, int *length, 160 psiconv_u32 off, int *length,
109 psiconv_section_table_section *result) 161 psiconv_section_table_section *result)
110{ 162{
111 int res=0; 163 int res=0;
112 int len=0; 164 int len=0;
113 psiconv_section_table_entry entry; 165 psiconv_section_table_entry entry;
114 166
115 int i; 167 int i;
116 psiconv_u8 nr; 168 psiconv_u8 nr;
117 169
118 psiconv_progress(lev+1,off+len,"Going to read the section table section"); 170 psiconv_progress(config,lev+1,off+len,"Going to read the section table section");
119 *result = psiconv_list_new(sizeof(*entry)); 171 if (!(*result = psiconv_list_new(sizeof(*entry))))
172 goto ERROR1;
120 173
121 psiconv_progress(lev+2,off+len,"Going to read the section table length"); 174 psiconv_progress(config,lev+2,off+len,"Going to read the section table length");
122 nr = psiconv_read_u8(buf,lev+2,off+len); 175 nr = psiconv_read_u8(config,buf,lev+2,off+len,&res);
176 if (res)
177 goto ERROR2;
123 psiconv_debug(lev+2,off+len,"Length: %08x",nr); 178 psiconv_debug(config,lev+2,off+len,"Length: %08x",nr);
124 if (nr & 0x01) { 179 if (nr & 0x01) {
125 psiconv_warn(lev+2,off+len, 180 psiconv_warn(config,lev+2,off+len,
126 "Section table length odd - ignoring last entry"); 181 "Section table length odd - ignoring last entry");
127 res = -1;
128 } 182 }
129 len ++; 183 len ++;
130 184
131 psiconv_progress(lev+2,off+len,"Going to read the section table entries"); 185 psiconv_progress(config,lev+2,off+len,"Going to read the section table entries");
132 entry = malloc(sizeof(*entry)); 186 entry = malloc(sizeof(*entry));
133 for (i = 0; i < nr / 2; i++) { 187 for (i = 0; i < nr / 2; i++) {
134 entry->id = psiconv_read_u32(buf,lev+2,off + len); 188 entry->id = psiconv_read_u32(config,buf,lev+2,off + len,&res);
189 if (res)
190 goto ERROR3;
135 psiconv_debug(lev+2,off + len,"Entry %d: ID = %08x",i,entry->id); 191 psiconv_debug(config,lev+2,off + len,"Entry %d: ID = %08x",i,entry->id);
136 len += 0x04; 192 len += 0x04;
137 entry->offset = psiconv_read_u32(buf,lev+2,off + len); 193 entry->offset = psiconv_read_u32(config,buf,lev+2,off + len,&res);
194 if (res)
195 goto ERROR3;
138 psiconv_debug(lev+2,off +len,"Entry %d: Offset = %08x",i,entry->offset); 196 psiconv_debug(config,lev+2,off +len,"Entry %d: Offset = %08x",i,entry->offset);
139 len += 0x04; 197 len += 0x04;
140 psiconv_list_add(*result,entry); 198 if ((res=psiconv_list_add(*result,entry)))
199 goto ERROR3;
141 } 200 }
142 201
143 free(entry); 202 free(entry);
144 203
145 if (length) 204 if (length)
146 *length = len; 205 *length = len;
147 206
148 psiconv_progress(lev+1,off+len-1,"End of section table section " 207 psiconv_progress(config,lev+1,off+len-1,"End of section table section "
149 "(total length: %08x", len); 208 "(total length: %08x)", len);
150 209
210 return 0;
211ERROR3:
212 free(entry);
213ERROR2:
214 psiconv_list_free(*result);
215ERROR1:
216 psiconv_warn(config,lev+1,off,"Reading of Section Table Section failed");
217 if (length)
218 *length = 0;
219 if (res == 0)
220 return -PSICONV_E_NOMEM;
221 else
151 return res; 222 return res;
152} 223}
153 224
154int psiconv_parse_application_id_section(const psiconv_buffer buf, int lev, 225int psiconv_parse_application_id_section(const psiconv_config config,
226 const psiconv_buffer buf, int lev,
155 psiconv_u32 off, int *length, 227 psiconv_u32 off, int *length,
156 psiconv_application_id_section *result) 228 psiconv_application_id_section *result)
157{ 229{
158 int res=0; 230 int res=0;
159 int len=0; 231 int len=0;
160 int leng; 232 int leng;
161 233
162 psiconv_progress(lev+1,off,"Going to read the application id section"); 234 psiconv_progress(config,lev+1,off,"Going to read the application id section");
163 (*result) = malloc(sizeof(**result)); 235 if (!(*result = malloc(sizeof(**result))))
236 goto ERROR1;
164 237
165 psiconv_progress(lev+2,off+len,"Going to read the type identifier"); 238 psiconv_progress(config,lev+2,off+len,"Going to read the type identifier");
166 (*result)->id = psiconv_read_u32(buf,lev+2,off+len); 239 (*result)->id = psiconv_read_u32(config,buf,lev+2,off+len,&res);
240 if (res)
241 goto ERROR2;
167 psiconv_debug(lev+2,off+len,"Identifier: %08x",(*result)->id); 242 psiconv_debug(config,lev+2,off+len,"Identifier: %08x",(*result)->id);
168 len += 4; 243 len += 4;
169 244
170 psiconv_progress(lev+2,off+len,"Going to read the application id string"); 245 psiconv_progress(config,lev+2,off+len,"Going to read the application id string");
171 (*result)->name = psiconv_read_string(buf,lev+2,off+len,&leng); 246 (*result)->name = psiconv_read_string(config,buf,lev+2,off+len,&leng,&res);
247 if (res)
248 goto ERROR2;
172 len += leng; 249 len += leng;
173 250
174 if (length) 251 if (length)
175 *length = len; 252 *length = len;
176 253
177 psiconv_progress(lev+1,off+len-1,"End of application id section " 254 psiconv_progress(config,lev+1,off+len-1,"End of application id section "
178 "(total length: %08x", len); 255 "(total length: %08x", len);
179 256
180 return res; 257 return res;
258ERROR2:
259 free(*result);
260ERROR1:
261 psiconv_warn(config,lev+1,off,"Reading of Application ID Section failed");
262 if (length)
263 *length = 0;
264 if (res == 0)
265 return -PSICONV_E_NOMEM;
266 else
267 return res;
181} 268}
182 269
183int psiconv_parse_text_section(const psiconv_buffer buf,int lev,psiconv_u32 off, 270int psiconv_parse_text_section(const psiconv_config config,
271 const psiconv_buffer buf,int lev,psiconv_u32 off,
184 int *length,psiconv_text_and_layout *result) 272 int *length,psiconv_text_and_layout *result)
185{ 273{
186 274
187 int res = 0; 275 int res = 0;
188 int len=0; 276 int len=0;
189 277
190 psiconv_u32 text_len; 278 psiconv_u32 text_len;
191 psiconv_paragraph para; 279 psiconv_paragraph para;
192 280
193 int nr; 281 int nr;
194 int i,j,start,leng; 282 int i,j,start,leng,temp;
195 char *str_copy; 283 char *str_copy;
196 284
197 psiconv_progress(lev+1,off,"Going to parse the text section"); 285 psiconv_progress(config,lev+1,off,"Going to parse the text section");
198 psiconv_progress(lev+2,off,"Reading the text length"); 286 psiconv_progress(config,lev+2,off,"Reading the text length");
287
288 if(!(*result = psiconv_list_new(sizeof(*para))))
289 goto ERROR1;
290 if (!(para = malloc(sizeof(*para))))
291 goto ERROR2;
292
199 text_len = psiconv_read_X(buf,lev+2,off,&leng); 293 text_len = psiconv_read_X(config,buf,lev+2,off,&leng,&res);
294 if (res)
295 goto ERROR3;
200 psiconv_debug(lev+2,off,"Length: %08x",text_len); 296 psiconv_debug(config,lev+2,off,"Length: %08x",text_len);
201 len += leng; 297 len += leng;
202 298
203 *result = psiconv_list_new(sizeof(*para));
204 para = malloc(sizeof(*para));
205
206 psiconv_progress(lev+2,off+len,"Going to read all paragraph text"); 299 psiconv_progress(config,lev+2,off+len,"Going to read all paragraph text");
207 nr = 0; 300 nr = 0;
208 start = 0; 301 start = 0;
209 for (i = 0; i < text_len; i++) 302 for (i = 0; i < text_len; i++) {
210 if (psiconv_read_u8(buf,lev+2,off+len+i) == 0x06) { 303 temp = psiconv_read_u8(config,buf,lev+2,off+len+i,&res);
304 if (res)
305 goto ERROR3;
306 if (temp == 0x06) {
211 para->text = malloc(i - start + 1); 307 if (!(para->text = malloc(i - start + 1)))
308 goto ERROR3;
212 for (j = 0; j < i - start; j++) 309 for (j = 0; j < i - start; j++) {
213 para->text[j] = psiconv_read_u8(buf,lev+1,off + len + start + j); 310 temp = psiconv_read_u8(config,buf,lev+1,off + len + start + j,&res);
311 if (res)
312 goto ERROR4;
313 para->text[j] = temp;
314 }
214 para->text[j] = 0; 315 para->text[j] = 0;
215 316
216 psiconv_list_add(*result,para); 317 if ((res = psiconv_list_add(*result,para)))
318 goto ERROR4;
217 319
218 str_copy = psiconv_make_printable(para->text); 320 if (!(str_copy = psiconv_make_printable(para->text)))
321 goto ERROR3;
219 psiconv_debug(lev+2,off+i+len,"Line %d: %d characters",nr, 322 psiconv_debug(config,lev+2,off+i+len,"Line %d: %d characters",nr,
220 strlen(str_copy) +1); 323 strlen(str_copy) +1);
221 psiconv_debug(lev+2,off+i+len,"Line %d: `%s'",nr,str_copy); 324 psiconv_debug(config,lev+2,off+i+len,"Line %d: `%s'",nr,str_copy);
222 free(str_copy); 325 free(str_copy);
223 326
224 start = i + 1; 327 start = i + 1;
225 nr ++; 328 nr ++;
226 } 329 }
330 }
227 331
228 if (start != text_len) { 332 if (start != text_len) {
229 res = -1;
230 psiconv_warn(lev+2,off+start+len, 333 psiconv_warn(config,lev+2,off+start+len,
231 "Last line does not end on EOL (%d characters left)", len - start); 334 "Last line does not end on EOL (%d characters left)", len - start);
232 para->text = malloc(text_len - start + 1); 335 if (!(para->text = malloc(text_len - start + 1)))
336 goto ERROR3;
233 for (j = 0; j < text_len - start; j++) 337 for (j = 0; j < text_len - start; j++) {
234 para->text[j] = psiconv_read_u8(buf,lev+2,off + start + j + len); 338 temp = psiconv_read_u8(config,buf,lev+2,off + start + j + len, &res);
339 if (res)
340 goto ERROR4;
341 para->text[j] = temp;
342 }
235 para->text[text_len - start] = 0; 343 para->text[text_len - start] = 0;
236 psiconv_list_add(*result,para); 344 if ((res = psiconv_list_add(*result,para)))
345 goto ERROR4;
237 str_copy = psiconv_make_printable(para->text); 346 if (!(str_copy = psiconv_make_printable(para->text)))
347 goto ERROR3;
238 psiconv_debug(lev+2,off+start+len,"Last line: %d characters",nr, 348 psiconv_debug(config,lev+2,off+start+len,"Last line: %d characters",nr,
239 strlen(str_copy)+1); 349 strlen(str_copy)+1);
240 psiconv_debug(lev+2,off+start+len,"Last line: `%s'",str_copy); 350 psiconv_debug(config,lev+2,off+start+len,"Last line: `%s'",str_copy);
241 free(str_copy); 351 free(str_copy);
242 } 352 }
243 353
244 free(para); 354 free(para);
245 355
246 /* Initialize the remaining parts of each paragraph */ 356 /* Initialize the remaining parts of each paragraph */
247 for (i = 0; i < psiconv_list_length(*result); i ++) { 357 for (i = 0; i < psiconv_list_length(*result); i ++) {
248 para = psiconv_list_get(*result,i); 358 if (!(para = psiconv_list_get(*result,i))) {
249 para->in_lines = psiconv_list_new(sizeof(struct psiconv_in_line_layout)); 359 psiconv_warn(config,lev+2,off+len,"Massive memory corruption");
250 para->replacements = psiconv_list_new(sizeof(struct psiconv_replacement)); 360 goto ERROR2_0;
361 }
362 if (!(para->in_lines = psiconv_list_new(sizeof(
363 struct psiconv_in_line_layout_s))))
364 goto ERROR2_0;
365 if (!(para->replacements = psiconv_list_new(sizeof(
366 struct psiconv_replacement_s))))
367 goto ERROR2_1;
368 if (!(para->base_character = psiconv_basic_character_layout()))
369 goto ERROR2_2;
370 if (!(para->base_paragraph = psiconv_basic_paragraph_layout()))
371 goto ERROR2_3;
251 para->base_style = 0; 372 para->base_style = 0;
252 para->base_character = psiconv_basic_character_layout();
253 para->base_paragraph = psiconv_basic_paragraph_layout();
254 } 373 }
255 374
256 375
257 len += text_len; 376 len += text_len;
258 377
259 if (length) 378 if (length)
260 *length = len; 379 *length = len;
261 380
262 psiconv_progress(lev+1,off+len-1,"End of text section (total length: %08x", 381 psiconv_progress(config,lev+1,off+len-1,"End of text section (total length: %08x",
263 len); 382 len);
264 383
265 return res; 384 return res;
385
386ERROR2_3:
387 psiconv_free_character_layout(para->base_character);
388ERROR2_2:
389 psiconv_list_free(para->replacements);
390ERROR2_1:
391 psiconv_list_free(para->in_lines);
392ERROR2_0:
393 for (j = 0; j < i; j++) {
394 if (!(para = psiconv_list_get(*result,j))) {
395 psiconv_warn(config,lev+1,off,"Massive memory corruption...");
396 break;
397 }
398 psiconv_list_free(para->in_lines);
399 psiconv_list_free(para->replacements);
400 psiconv_free_character_layout(para->base_character);
401 psiconv_free_paragraph_layout(para->base_paragraph);
402 }
403 goto ERROR2;
404
405ERROR4:
406 free(para->text);
407ERROR3:
408 free(para);
409ERROR2:
410 for (i = 0; i < psiconv_list_length(*result);i++) {
411 if (!(para = psiconv_list_get(*result,i))) {
412 psiconv_warn(config,lev+1,off,"Massive memory corruption...");
413 break;
414 }
415 free(para->text);
416 }
417 psiconv_list_free(*result);
418ERROR1:
419 psiconv_warn(config,lev+1,off,"Reading of Text Section failed");
420 if (length)
421 *length = 0;
422 if (!res)
423 return -PSICONV_E_NOMEM;
424 else
425 return res;
266} 426}
267 427
268/* First do a parse_text_section, or you will get into trouble here */ 428/* First do a parse_text_section, or you will get into trouble here */
269int psiconv_parse_layout_section(const psiconv_buffer buf, 429int psiconv_parse_layout_section(const psiconv_config config,
430 const psiconv_buffer buf,
270 int lev,psiconv_u32 off, 431 int lev,psiconv_u32 off,
271 int *length, 432 int *length,
272 psiconv_text_and_layout result, 433 psiconv_text_and_layout result,
273 psiconv_word_styles_section styles, 434 psiconv_word_styles_section styles,
274 int with_styles) 435 int with_styles)
276 int res = 0; 437 int res = 0;
277 int len = 0; 438 int len = 0;
278 psiconv_u32 temp; 439 psiconv_u32 temp;
279 int parse_styles,nr,i,j,total,leng,line_length; 440 int parse_styles,nr,i,j,total,leng,line_length;
280 441
281 typedef struct anon_style 442 typedef struct anon_style_s
282 { 443 {
283 int nr; 444 int nr;
284 psiconv_s16 base_style; 445 psiconv_s16 base_style;
285 psiconv_character_layout character; 446 psiconv_character_layout character;
286 psiconv_paragraph_layout paragraph; 447 psiconv_paragraph_layout paragraph;
287 } *anon_style; 448 } *anon_style;
288 449
289 typedef psiconv_list anon_style_list; /* of struct anon_style */ 450 typedef psiconv_list anon_style_list; /* of struct anon_style */
290 451
291 anon_style_list anon_styles; 452 anon_style_list anon_styles;
292 struct anon_style anon; 453 struct anon_style_s anon;
293 anon_style anon_ptr=NULL; 454 anon_style anon_ptr=NULL;
294 455
456 psiconv_character_layout temp_char;
457 psiconv_paragraph_layout temp_para;
458 psiconv_word_style temp_style;
295 psiconv_paragraph para; 459 psiconv_paragraph para;
296 struct psiconv_in_line_layout in_line; 460 struct psiconv_in_line_layout_s in_line;
297 461
298 int *inline_count; 462 int *inline_count;
299 463
300 464
301 psiconv_progress(lev+1,off,"Going to read the layout section"); 465 psiconv_progress(config,lev+1,off,"Going to read the layout section");
302 466
303 psiconv_progress(lev+2,off,"Going to read the section type"); 467 psiconv_progress(config,lev+2,off,"Going to read the section type");
304 temp = psiconv_read_u16(buf,lev+2,off+len); 468 temp = psiconv_read_u16(config,buf,lev+2,off+len,&res);
469 if (res)
470 goto ERROR1;
305 psiconv_debug(lev+2,off+len,"Type: %02x",temp); 471 psiconv_debug(config,lev+2,off+len,"Type: %02x",temp);
306 parse_styles = with_styles; 472 parse_styles = with_styles;
307 if ((temp == 0x0001) && !with_styles) { 473 if ((temp == 0x0001) && !with_styles) {
308 psiconv_warn(lev+2,off+len,"Styleless layout section expected, " 474 psiconv_warn(config,lev+2,off+len,"Styleless layout section expected, "
309 "but styled section found!"); 475 "but styled section found!");
310 parse_styles = 1; 476 parse_styles = 1;
311 res = -1;
312 } else if ((temp == 0x0000) && (with_styles)) { 477 } else if ((temp == 0x0000) && (with_styles)) {
313 psiconv_warn(lev+2,off+len,"Styled layout section expected, " 478 psiconv_warn(config,lev+2,off+len,"Styled layout section expected, "
314 "but styleless section found!"); 479 "but styleless section found!");
315 parse_styles = 0; 480 parse_styles = 0;
316 res = -1;
317 } else if ((temp != 0x0000) && (temp != 0x0001)) { 481 } else if ((temp != 0x0000) && (temp != 0x0001)) {
318 psiconv_warn(lev+2,off+len, 482 psiconv_warn(config,lev+2,off+len,
319 "Layout section type indicator has unknown value!"); 483 "Layout section type indicator has unknown value!");
320 res = -1;
321 } 484 }
322 len += 0x02; 485 len += 0x02;
323 486
324 psiconv_progress(lev+2,off+len,"Going to read paragraph type list"); 487 psiconv_progress(config,lev+2,off+len,"Going to read paragraph type list");
325 anon_styles = psiconv_list_new(sizeof(anon)); 488 if (!(anon_styles = psiconv_list_new(sizeof(anon))))
489 goto ERROR1;
326 psiconv_progress(lev+3,off+len,"Going to read paragraph type list length"); 490 psiconv_progress(config,lev+3,off+len,"Going to read paragraph type list length");
327 nr = psiconv_read_u8(buf,lev+3,off+len); 491 nr = psiconv_read_u8(config,buf,lev+3,off+len,&res);
492 if (res)
493 goto ERROR2;
328 psiconv_debug(lev+3,off+len,"Length: %02x",nr); 494 psiconv_debug(config,lev+3,off+len,"Length: %02x",nr);
329 len ++; 495 len ++;
330 496
331 psiconv_progress(lev+3,off+len, 497 psiconv_progress(config,lev+3,off+len,
332 "Going to read the paragraph type list elements"); 498 "Going to read the paragraph type list elements");
333 for (i = 0; i < nr; i ++) { 499 for (i = 0; i < nr; i ++) {
334 psiconv_progress(lev+3,off+len,"Element %d",i); 500 psiconv_progress(config,lev+3,off+len,"Element %d",i);
335 anon.nr = psiconv_read_u32(buf,lev+4,off+len); 501 anon.nr = psiconv_read_u32(config,buf,lev+4,off+len,&res);
502 if (res)
503 goto ERROR3;
336 psiconv_debug(lev+4,off+len,"Number: %08x",anon.nr); 504 psiconv_debug(config,lev+4,off+len,"Number: %08x",anon.nr);
337 len += 0x04; 505 len += 0x04;
338 506
339 psiconv_progress(lev+4,off,"Going to determine the base style"); 507 psiconv_progress(config,lev+4,off,"Going to determine the base style");
340 if (parse_styles) { 508 if (parse_styles) {
509 temp = psiconv_read_u32(config,buf,lev+4, off+len,&res);
510 if (res)
511 goto ERROR3;
341 anon.base_style = psiconv_read_u8(buf,lev+3, 512 anon.base_style = psiconv_read_u8(config,buf,lev+3, off+len+4+temp,&res);
342 off+len+4+psiconv_read_u32(buf,lev+4, 513 if (res)
343 off+len)); 514 goto ERROR3;
344 psiconv_debug(lev+4,off+len+psiconv_read_u32(buf,lev+4,off+len), 515 psiconv_debug(config,lev+4,off+len+temp,
345 "Style indicator: %02x",anon.base_style); 516 "Style indicator: %02x",anon.base_style);
346 } else 517 } else
347 anon.base_style = 0; 518 anon.base_style = 0;
519 if (!(temp_style = psiconv_get_style(styles,anon.base_style))) {
520 psiconv_warn(config,lev+4,off,"Unknown Style referenced");
521 if (!(temp_style = psiconv_get_style(styles,anon.base_style))) {
522 psiconv_warn(config,lev+4,off,"Base style unknown");
523 goto ERROR3;
524 }
525 }
348 anon.paragraph = psiconv_clone_paragraph_layout(psiconv_get_style 526 if (!(anon.paragraph = psiconv_clone_paragraph_layout
349 (styles,anon.base_style)->paragraph); 527 (temp_style->paragraph)))
528 goto ERROR3;
350 anon.character = psiconv_clone_character_layout(psiconv_get_style 529 if (!(anon.character = psiconv_clone_character_layout
351 (styles,anon.base_style)->character); 530 (temp_style->character)))
531 goto ERROR3_1;
352 532
353 psiconv_progress(lev+4,off+len,"Going to read the paragraph layout"); 533 psiconv_progress(config,lev+4,off+len,"Going to read the paragraph layout");
354 res |= psiconv_parse_paragraph_layout_list(buf,lev+4,off+len,&leng, 534 if ((res = psiconv_parse_paragraph_layout_list(config,buf,lev+4,off+len,&leng,
355 anon.paragraph); 535 anon.paragraph)))
536 goto ERROR3_2;
356 len += leng; 537 len += leng;
357 if (parse_styles) 538 if (parse_styles)
358 len ++; 539 len ++;
359 540
360 psiconv_progress(lev+4,off+len,"Going to read the character layout"); 541 psiconv_progress(config,lev+4,off+len,"Going to read the character layout");
361 res |= psiconv_parse_character_layout_list(buf,lev+4,off+len,&leng, 542 if ((res = psiconv_parse_character_layout_list(config,buf,lev+4,off+len,&leng,
362 anon.character); 543 anon.character)))
544 goto ERROR3_2;
363 len += leng; 545 len += leng;
364 psiconv_list_add(anon_styles,&anon); 546 if ((res = psiconv_list_add(anon_styles,&anon)))
547 goto ERROR3_2;
365 } 548 }
366 549
367 psiconv_progress(lev+2,off+len,"Going to parse the paragraph element list"); 550 psiconv_progress(config,lev+2,off+len,"Going to parse the paragraph element list");
368 psiconv_progress(lev+3,off+len,"Going to read the number of paragraphs"); 551 psiconv_progress(config,lev+3,off+len,"Going to read the number of paragraphs");
369 nr = psiconv_read_u32(buf,lev+3,off+len); 552 nr = psiconv_read_u32(config,buf,lev+3,off+len,&res);
553 if (res)
554 goto ERROR3;
370 if (nr != psiconv_list_length(result)) { 555 if (nr != psiconv_list_length(result)) {
371 psiconv_warn(lev+3,off+len, 556 psiconv_warn(config,lev+3,off+len,
372 "Number of text paragraphs and paragraph elements does not match"); 557 "Number of text paragraphs and paragraph elements does not match");
373 psiconv_debug(lev+3,off+len, 558 psiconv_debug(config,lev+3,off+len,
374 "%d text paragraphs, %d paragraph elements", 559 "%d text paragraphs, %d paragraph elements",
375 psiconv_list_length(result),nr); 560 psiconv_list_length(result),nr);
376 } 561 }
377 psiconv_debug(lev+3,off+len,"Number of paragraphs: %d",nr); 562 psiconv_debug(config,lev+3,off+len,"Number of paragraphs: %d",nr);
378 len += 4; 563 len += 4;
379 inline_count = malloc(nr * sizeof(*inline_count)); 564 if (!(inline_count = malloc(nr * sizeof(*inline_count))))
565 goto ERROR3;
380 566
381 psiconv_progress(lev+3,off+len,"Going to read the paragraph elements"); 567 psiconv_progress(config,lev+3,off+len,"Going to read the paragraph elements");
382 for (i = 0; i < nr; i ++) { 568 for (i = 0; i < nr; i ++) {
383 psiconv_progress(lev+3,off+len,"Element %d",i); 569 psiconv_progress(config,lev+3,off+len,"Element %d",i);
384 if (i >= psiconv_list_length(result)) { 570 if (i >= psiconv_list_length(result)) {
385 psiconv_debug(lev+4,off+len,"Going to allocate a new element"); 571 psiconv_debug(config,lev+4,off+len,"Going to allocate a new element");
386 para = malloc(sizeof(*para)); 572 if (!(para = malloc(sizeof(*para))))
387 para->in_lines = psiconv_list_new(sizeof(struct psiconv_in_line_layout)); 573 goto ERROR4;
574 if (!(para->in_lines = psiconv_list_new(sizeof(
575 struct psiconv_in_line_layout_s))))
576 goto ERROR4_1;
388 para->base_style = 0; 577 para->base_style = 0;
389 para->base_character = psiconv_basic_character_layout(); 578 if (!(para->base_character = psiconv_basic_character_layout()))
579 goto ERROR4_2;
390 para->base_paragraph = psiconv_basic_paragraph_layout(); 580 if (!(para->base_paragraph = psiconv_basic_paragraph_layout()))
581 goto ERROR4_3;
582 if ((res = psiconv_list_add(result,para)))
583 goto ERROR4_4;
391 free(para); 584 free(para);
392 } 585 }
393 para = psiconv_list_get(result,i); 586 if (!(para = psiconv_list_get(result,i)))
587 goto ERROR4;
394 588
395 psiconv_progress(lev+4,off+len,"Going to read the paragraph length"); 589 psiconv_progress(config,lev+4,off+len,"Going to read the paragraph length");
396 temp = psiconv_read_u32(buf,lev+4,off+len); 590 temp = psiconv_read_u32(config,buf,lev+4,off+len,&res);
591 if (res)
592 goto ERROR4;
397 if (temp != strlen(para->text)+1) { 593 if (temp != strlen(para->text)+1) {
398 res = -1;
399 psiconv_warn(lev+4,off+len, 594 psiconv_warn(config,lev+4,off+len,
400 "Disagreement of the length of paragraph in layout section"); 595 "Disagreement of the length of paragraph in layout section");
401 psiconv_debug(lev+4,off+len, 596 psiconv_debug(config,lev+4,off+len,
402 "Paragraph length: layout section says %d, counted %d", 597 "Paragraph length: layout section says %d, counted %d",
403 temp,strlen(para->text)+1); 598 temp,strlen(para->text)+1);
404 } else 599 } else
405 psiconv_debug(lev+4,off+len,"Paragraph length: %d",temp); 600 psiconv_debug(config,lev+4,off+len,"Paragraph length: %d",temp);
406 len += 4; 601 len += 4;
407 602
408 psiconv_progress(lev+4,off+len,"Going to read the paragraph type"); 603 psiconv_progress(config,lev+4,off+len,"Going to read the paragraph type");
409 temp = psiconv_read_u8(buf,lev+4,off+len); 604 temp = psiconv_read_u8(config,buf,lev+4,off+len,&res);
605 if (res)
606 goto ERROR4;
410 if (temp != 0x00) { 607 if (temp != 0x00) {
411 psiconv_debug(lev+4,off+len,"Type: %02x",temp); 608 psiconv_debug(config,lev+4,off+len,"Type: %02x",temp);
412 for (j = 0; j < psiconv_list_length(anon_styles); j++) { 609 for (j = 0; j < psiconv_list_length(anon_styles); j++) {
413 anon_ptr = psiconv_list_get(anon_styles,j); 610 if (!(anon_ptr = psiconv_list_get(anon_styles,j))) {
611 psiconv_warn(config,lev+4,off+len,"Massive memory curruption");
612 goto ERROR4;
613 }
414 if (temp == anon_ptr->nr) 614 if (temp == anon_ptr->nr)
415 break; 615 break;
416 } 616 }
417 if (j == psiconv_list_length(anon_styles)) { 617 if (j == psiconv_list_length(anon_styles)) {
418 psiconv_warn(lev+4,off+len,"Layout section paragraph type unknown"); 618 psiconv_warn(config,lev+4,off+len,"Layout section paragraph type unknown");
419 psiconv_debug(lev+4,off+len,"Unknown type - using base styles instead"); 619 psiconv_debug(config,lev+4,off+len,"Unknown type - using base styles instead");
420 para->base_style = 0; 620 para->base_style = 0;
621 if (!(temp_style = psiconv_get_style(styles,0))) {
622 psiconv_warn(config,lev+4,off,"Base style unknown");
623 goto ERROR4;
624 }
625 if (!(temp_para = psiconv_clone_paragraph_layout
626 (temp_style->paragraph)))
627 goto ERROR4;
421 psiconv_free_paragraph_layout(para->base_paragraph); 628 psiconv_free_paragraph_layout(para->base_paragraph);
629 para->base_paragraph = temp_para;
630
631 if (!(temp_char = psiconv_clone_character_layout
632 (temp_style->character)))
633 goto ERROR4;
422 psiconv_free_character_layout(para->base_character); 634 psiconv_free_character_layout(para->base_character);
423 para->base_paragraph = psiconv_clone_paragraph_layout(psiconv_get_style 635 para->base_character = temp_char;
424 (styles,0)->paragraph);
425 para->base_character = psiconv_clone_character_layout(psiconv_get_style
426 (styles,0)->character);
427 } else { 636 } else {
428 para->base_style = anon_ptr->base_style; 637 para->base_style = anon_ptr->base_style;
638 if (!(temp_para = psiconv_clone_paragraph_layout (anon_ptr->paragraph)))
639 goto ERROR4;
429 psiconv_free_paragraph_layout(para->base_paragraph); 640 psiconv_free_paragraph_layout(para->base_paragraph);
641 para->base_paragraph = temp_para;
642
643 if (!(temp_char = psiconv_clone_character_layout (anon_ptr->character)))
644 goto ERROR4;
430 psiconv_free_character_layout(para->base_character); 645 psiconv_free_character_layout(para->base_character);
431 para->base_paragraph = psiconv_clone_paragraph_layout 646 para->base_character = temp_char;
432 (anon_ptr->paragraph);
433 para->base_character = psiconv_clone_character_layout
434 (anon_ptr->character);
435 } 647 }
436 inline_count[i] = 0; 648 inline_count[i] = 0;
437 len += 0x01; 649 len += 0x01;
438 } else { 650 } else {
439 psiconv_debug(lev+4,off+len,"Type: %02x (not based on a paragraph type)" 651 psiconv_debug(config,lev+4,off+len,"Type: %02x (not based on a paragraph type)"
440 ,temp); 652 ,temp);
441 len += 0x01; 653 len += 0x01;
442 if (parse_styles) { 654 if (parse_styles) {
443 psiconv_progress(lev+4,off+len+psiconv_read_u32(buf,lev+4,off+len), 655 temp = psiconv_read_u32(config,buf,lev+4,off+len,&res);
656 if (res)
657 goto ERROR4;
658 psiconv_progress(config,lev+4,off+len+temp+4,
444 "Going to read the paragraph element base style"); 659 "Going to read the paragraph element base style");
445 temp = psiconv_read_u8(buf,lev+4, 660 temp = psiconv_read_u8(config,buf,lev+4, off+len+temp+4,&res);
446 off+len+psiconv_read_u32(buf,lev+4,off+len)); 661 if (res)
447 psiconv_debug(lev+4,off+len+psiconv_read_u32(buf,lev+4,off+len), 662 goto ERROR4;
448 "Style: %02x",temp); 663 psiconv_debug(config,lev+4,off+len+temp+4, "Style: %02x",temp);
449 } else 664 } else
450 temp = 0x00; 665 temp = 0x00;
666
667 if (!(temp_style = psiconv_get_style (styles,temp))) {
668 psiconv_warn(config,lev+4,off,"Unknown Style referenced");
669 if (!(temp_style = psiconv_get_style(styles,0))) {
670 psiconv_warn(config,lev+4,off,"Base style unknown");
671 goto ERROR4;
672 }
673 }
674
675 if (!(temp_para = psiconv_clone_paragraph_layout(temp_style->paragraph)))
676 goto ERROR4;
451 psiconv_free_paragraph_layout(para->base_paragraph); 677 psiconv_free_paragraph_layout(para->base_paragraph);
678 para->base_paragraph = temp_para;
679
680 if (!(temp_char = psiconv_clone_character_layout(temp_style->character)))
681 goto ERROR4;
452 psiconv_free_character_layout(para->base_character); 682 psiconv_free_character_layout(para->base_character);
453 para->base_paragraph = psiconv_clone_paragraph_layout(psiconv_get_style 683 para->base_character = temp_char;
454 (styles,temp)->paragraph); 684
455 para->base_character = psiconv_clone_character_layout(psiconv_get_style
456 (styles,temp)->character);
457 para->base_style = temp; 685 para->base_style = temp;
458 psiconv_progress(lev+4,off+len,"Going to read paragraph layout"); 686 psiconv_progress(config,lev+4,off+len,"Going to read paragraph layout");
459 psiconv_parse_paragraph_layout_list(buf,lev+4,off+len,&leng, 687 if ((res = psiconv_parse_paragraph_layout_list(config,buf,lev+4,off+len,&leng,
460 para->base_paragraph); 688 para->base_paragraph)))
689 goto ERROR4;
461 len += leng; 690 len += leng;
462 if (parse_styles) 691 if (parse_styles)
463 len += 1; 692 len += 1;
464 psiconv_progress(lev+4,off+len,"Going to read number of in-line " 693 psiconv_progress(config,lev+4,off+len,"Going to read number of in-line "
465 "layout elements"); 694 "layout elements");
466 inline_count[i] = psiconv_read_u32(buf,lev+4,off+len); 695 inline_count[i] = psiconv_read_u32(config,buf,lev+4,off+len,&res);
696 if (res)
697 goto ERROR4;
467 psiconv_debug(lev+4,off+len,"Nr: %08x",inline_count[i]); 698 psiconv_debug(config,lev+4,off+len,"Nr: %08x",inline_count[i]);
468 len += 4; 699 len += 4;
469 } 700 }
470 } 701 }
471 702
472 psiconv_progress(lev+2,off+len,"Going to read the text layout inline list"); 703 psiconv_progress(config,lev+2,off+len,"Going to read the text layout inline list");
473 704
474 psiconv_progress(lev+3,off+len,"Going to read the number of elements"); 705 psiconv_progress(config,lev+3,off+len,"Going to read the number of elements");
475 nr = psiconv_read_u32(buf,lev+3,off+len); 706 nr = psiconv_read_u32(config,buf,lev+3,off+len,&res);
707 if (res)
708 goto ERROR4;
476 psiconv_debug(lev+3,off,"Elements: %08x",nr); 709 psiconv_debug(config,lev+3,off+len,"Elements: %08x",nr);
477 len += 0x04; 710 len += 0x04;
478 711
479 psiconv_progress(lev+3,off+len, 712 psiconv_progress(config,lev+3,off+len,
480 "Going to read the text layout inline elements"); 713 "Going to read the text layout inline elements");
481 total = 0; 714 total = 0;
482 for (i = 0; i < psiconv_list_length(result); i++) { 715 for (i = 0; i < psiconv_list_length(result); i++) {
483 para = psiconv_list_get(result,i); 716 if (!(para = psiconv_list_get(result,i))) {
717 psiconv_warn(config,lev+3,off+len,"Massive memory corruption");
718 goto ERROR4;
719 }
484 line_length = -1; 720 line_length = -1;
485 for (j = 0; j < inline_count[i]; j++) { 721 for (j = 0; j < inline_count[i]; j++) {
486 psiconv_progress(lev+3,off+len,"Element %d: Paragraph %d, element %d", 722 psiconv_progress(config,lev+3,off+len,"Element %d: Paragraph %d, element %d",
487 total,i,j); 723 total,i,j);
488 if (total >= nr) { 724 if (total >= nr) {
489 psiconv_warn(lev+3,off+len, 725 psiconv_warn(config,lev+3,off+len,
490 "Layout section inlines: not enough element"); 726 "Layout section inlines: not enough element");
491 res = -1;
492 psiconv_debug(lev+3,off+len,"Can't read element!"); 727 psiconv_debug(config,lev+3,off+len,"Can't read element!");
493 } else { 728 } else {
494 total ++; 729 total ++;
730 in_line.object = NULL;
731 in_line.layout = NULL;
495 in_line.layout = psiconv_clone_character_layout(para->base_character); 732 if (!(in_line.layout = psiconv_clone_character_layout
733 (para->base_character)))
734 goto ERROR4;
496 psiconv_progress(lev+4,off+len,"Going to read the element type"); 735 psiconv_progress(config,lev+4,off+len,"Going to read the element type");
497 temp = psiconv_read_u8(buf,lev+4,len+off); 736 temp = psiconv_read_u8(config,buf,lev+4,len+off,&res);
737 if (res)
738 goto ERROR5;
498 len += 1; 739 len += 1;
499 psiconv_debug(lev+4,off,"Type: %02x",temp); 740 psiconv_debug(config,lev+4,off+len,"Type: %02x",temp);
500 psiconv_progress(lev+4,off, 741 psiconv_progress(config,lev+4,off+len,
501 "Going to read the number of characters it applies to"); 742 "Going to read the number of characters it applies to");
502 in_line.length = psiconv_read_u32(buf,lev+4,len+off); 743 in_line.length = psiconv_read_u32(config,buf,lev+4,len+off,&res);
744 if (res)
745 goto ERROR5;
503 psiconv_debug(lev+4,off+len,"Length: %02x",in_line.length); 746 psiconv_debug(config,lev+4,off+len,"Length: %02x",in_line.length);
504 len += 4; 747 len += 4;
505 psiconv_progress(lev+4,off+len,"Going to read the character layout"); 748 psiconv_progress(config,lev+4,off+len,"Going to read the character layout");
506 res |= psiconv_parse_character_layout_list(buf,lev+4,off+len,&leng, 749 if ((res = psiconv_parse_character_layout_list(config,buf,lev+4,off+len,&leng,
507 in_line.layout); 750 in_line.layout)))
751 goto ERROR5;
508 len += leng; 752 len += leng;
509 753
510 if (temp == 0x01) { 754 if (temp == 0x01) {
511 psiconv_debug(lev+4,off+len,"Skipping object data"); 755 psiconv_debug(config,lev+4,off+len,"Found an embedded object");
512 len += 0x10; 756 psiconv_progress(config,lev+4,off+len,"Going to read the object marker "
757 "(0x%08x expected)",PSICONV_ID_OBJECT);
758 temp = psiconv_read_u32(config,buf,lev+4,off+len,&res);
759 if (res)
760 goto ERROR5;
761 if (temp != PSICONV_ID_OBJECT) {
762 psiconv_warn(config,lev+4,off+len,"Unknown id marks embedded object");
763 psiconv_debug(config,lev+4,off+len,"Marker: read %08x, expected %08x",
764 temp,PSICONV_ID_OBJECT);
765 }
766 len += 4;
767 psiconv_progress(config,lev+4,off+len,
768 "Going to read the Embedded Object Section offset");
769 temp = psiconv_read_u32(config,buf,lev+4,off+len,&res);
770 if (res)
771 goto ERROR5;
772 psiconv_debug(config,lev+4,off+len, "Offset: %08x",temp);
773 len += 4;
774 psiconv_progress(config,lev+4,off+len,
775 "Going to parse the Embedded Object Section");
776 if ((res = psiconv_parse_embedded_object_section(config,buf,lev+4,temp,
777 NULL,&(in_line.object))))
778 goto ERROR5;
779 psiconv_progress(config,lev+4,off+len,
780 "Going to read the object width");
781 in_line.object_width = psiconv_read_length(config,buf,lev+4,off+len,
782 &leng,&res);
783 if (res)
784 goto ERROR5;
785 psiconv_debug(config,lev+4,off+len,"Object width: %f cm",
786 in_line.object_width);
787 len += leng;
788 psiconv_progress(config,lev+4,off+len,
789 "Going to read the object height");
790 in_line.object_height = psiconv_read_length(config,buf,lev+4,off+len,&leng,
791 &res);
792 if (res)
793 goto ERROR5;
794 psiconv_debug(config,lev+4,off+len,"Object height: %f cm",
795 in_line.object_height);
796 len += leng;
513 } else if (temp != 0x00) { 797 } else if (temp != 0x00) {
514 psiconv_warn(lev+4,off+len,"Layout section unknown inline type"); 798 psiconv_warn(config,lev+4,off+len,"Layout section unknown inline type");
515 res = -1;
516 } 799 }
517 if (line_length + in_line.length > strlen(para->text)) { 800 if (line_length + in_line.length > strlen(para->text)) {
518 psiconv_warn(lev+4,off+len, 801 psiconv_warn(config,lev+4,off+len,
519 "Layout section inlines: line length mismatch"); 802 "Layout section inlines: line length mismatch");
520 res = -1; 803 res = -1;
521 in_line.length = strlen(para->text) - line_length; 804 in_line.length = strlen(para->text) - line_length;
522 } 805 }
523 line_length += in_line.length; 806 line_length += in_line.length;
524 psiconv_list_add(para->in_lines,&in_line); 807 if ((res = psiconv_list_add(para->in_lines,&in_line)))
808 goto ERROR5;
525 } 809 }
526 } 810 }
527 } 811 }
528 812
529 if (total != nr) { 813 if (total != nr) {
530 psiconv_warn(lev+4,off+len, 814 psiconv_warn(config,lev+4,off+len,
531 "Layout section too many inlines, skipping remaining"); 815 "Layout section too many inlines, skipping remaining");
532 } 816 }
533 817
534 free(inline_count); 818 free(inline_count);
535 819
536 for (i = 0 ; i < psiconv_list_length(anon_styles); i ++) { 820 for (i = 0 ; i < psiconv_list_length(anon_styles); i ++) {
537 anon_ptr = psiconv_list_get(anon_styles,i); 821 if (!(anon_ptr = psiconv_list_get(anon_styles,i))) {
822 psiconv_warn(config,lev+4,off+len,"Massive memory corruption");
823 goto ERROR2;
824 }
538 psiconv_free_character_layout(anon_ptr->character); 825 psiconv_free_character_layout(anon_ptr->character);
539 psiconv_free_paragraph_layout(anon_ptr->paragraph); 826 psiconv_free_paragraph_layout(anon_ptr->paragraph);
540 } 827 }
541 psiconv_list_free(anon_styles); 828 psiconv_list_free(anon_styles);
542 829
543 if (length) 830 if (length)
544 *length = len; 831 *length = len;
545 832
546 psiconv_progress(lev+1,off+len-1,"End of layout section (total length: %08x", 833 psiconv_progress(config,lev+1,off+len-1,"End of layout section (total length: %08x)",
547 len); 834 len);
548 835
836 return 0;
837
838ERROR4_4:
839 psiconv_free_paragraph_layout(para->base_paragraph);
840ERROR4_3:
841 psiconv_free_character_layout(para->base_character);
842ERROR4_2:
843 psiconv_list_free(para->in_lines);
844ERROR4_1:
845 free(para);
846 goto ERROR4;
847
848ERROR3_2:
849 psiconv_free_character_layout(anon.character);
850ERROR3_1:
851 psiconv_free_paragraph_layout(anon.paragraph);
852 goto ERROR3;
853
854ERROR5:
855 if (in_line.layout)
856 psiconv_free_character_layout(in_line.layout);
857 if (in_line.object)
858 psiconv_free_embedded_object_section(in_line.object);
859ERROR4:
860 free(inline_count);
861ERROR3:
862 for (i = 0; i < psiconv_list_length(anon_styles); i++) {
863 if (!(anon_ptr = psiconv_list_get(anon_styles,i))) {
864 psiconv_warn(config,lev+1,off,"Massive memory corruption");
865 break;
866 }
867 psiconv_free_paragraph_layout(anon_ptr->paragraph);
868 psiconv_free_character_layout(anon_ptr->character);
869 }
870
871ERROR2:
872 psiconv_list_free(anon_styles);
873ERROR1:
874 psiconv_warn(config,lev+1,off,"Reading of Layout Section failed");
875 if (length)
876 *length = 0;
877 if (!res)
878 return -PSICONV_E_NOMEM;
879 else
549 return res; 880 return res;
550} 881}
551 882
552int psiconv_parse_styled_layout_section(const psiconv_buffer buf, 883int psiconv_parse_styled_layout_section(const psiconv_config config,
884 const psiconv_buffer buf,
553 int lev,psiconv_u32 off, 885 int lev,psiconv_u32 off,
554 int *length, 886 int *length,
555 psiconv_text_and_layout result, 887 psiconv_text_and_layout result,
556 psiconv_word_styles_section styles) 888 psiconv_word_styles_section styles)
557{ 889{
558 return psiconv_parse_layout_section(buf,lev,off,length,result,styles,1); 890 return psiconv_parse_layout_section(config,buf,lev,off,length,result,styles,1);
559} 891}
560 892
561int psiconv_parse_styleless_layout_section(const psiconv_buffer buf, 893int psiconv_parse_styleless_layout_section(const psiconv_config config,
894 const psiconv_buffer buf,
562 int lev,psiconv_u32 off, 895 int lev,psiconv_u32 off,
563 int *length, 896 int *length,
564 psiconv_text_and_layout result, 897 psiconv_text_and_layout result,
565 psiconv_character_layout base_char, 898 const psiconv_character_layout base_char,
566 psiconv_paragraph_layout base_para) 899 const psiconv_paragraph_layout base_para)
567{ 900{
568 int res; 901 int res = 0;
569 psiconv_word_styles_section styles_section; 902 psiconv_word_styles_section styles_section;
570 903
571 styles_section = malloc(sizeof(*styles_section)); 904 if (!(styles_section = malloc(sizeof(*styles_section))))
905 goto ERROR1;
572 styles_section->normal = malloc(sizeof(*styles_section->normal)); 906 if (!(styles_section->normal = malloc(sizeof(*styles_section->normal))))
573 styles_section->normal->character = psiconv_clone_character_layout(base_char); 907 goto ERROR2;
574 styles_section->normal->paragraph = psiconv_clone_paragraph_layout(base_para); 908 if (!(styles_section->normal->character =
909 psiconv_clone_character_layout(base_char)))
910 goto ERROR3;
911 if (!(styles_section->normal->paragraph =
912 psiconv_clone_paragraph_layout(base_para)))
913 goto ERROR4;
575 styles_section->normal->hotkey = 0; 914 styles_section->normal->hotkey = 0;
576 styles_section->normal->name = strdup(""); 915 if (!(styles_section->normal->name = strdup("")))
916 goto ERROR5;
577 styles_section->styles = psiconv_list_new(sizeof(struct psiconv_word_style)); 917 if (!(styles_section->styles = psiconv_list_new(sizeof(
918 struct psiconv_word_style_s))))
919 goto ERROR6;
578 920
579 res = psiconv_parse_layout_section(buf,lev,off,length,result, 921 res = psiconv_parse_layout_section(config,buf,lev,off,length,result,
580 styles_section,0); 922 styles_section,0);
581 923
582 psiconv_free_word_styles_section(styles_section); 924 psiconv_free_word_styles_section(styles_section);
583 return res; 925 return res;
926
927ERROR6:
928 free(styles_section->normal->name);
929ERROR5:
930 psiconv_free_paragraph_layout(styles_section->normal->paragraph);
931ERROR4:
932 psiconv_free_character_layout(styles_section->normal->character);
933ERROR3:
934 free(styles_section->normal);
935ERROR2:
936 free(styles_section);
937ERROR1:
938 psiconv_warn(config,lev+1,off,"Reading of Styleless Layout Section failed");
939 if (length)
940 *length = 0;
941 if (!res)
942 return -PSICONV_E_NOMEM;
943 else
944 return res;
584} 945}
585 946
947int psiconv_parse_embedded_object_section(const psiconv_config config,
948 const psiconv_buffer buf, int lev,
949 psiconv_u32 off, int *length,
950 psiconv_embedded_object_section *result)
951{
952 int res=0;
953 int len=0;
954 int leng,i;
955 psiconv_section_table_section table;
956 psiconv_section_table_entry entry;
957 psiconv_u32 icon_sec=0,display_sec=0,table_sec=0;
958 psiconv_buffer subbuf;
959
960 psiconv_progress(config,lev+1,off+len,"Going to read an Embedded Object");
961 if (!(*result = malloc(sizeof(**result))))
962 goto ERROR1;
963
964 psiconv_progress(config,lev+2,off+len,"Going to read the Embedded Object Section");
965 psiconv_parse_section_table_section(config,buf,lev+2,off+len,&leng,&table);
966 len += leng;
967
968 for (i = 0; i < psiconv_list_length(table); i++) {
969 psiconv_progress(config,lev+2,off+len,"Going to read entry %d",i);
970 if (!(entry = psiconv_list_get(table,i)))
971 goto ERROR2;
972 if (entry->id == PSICONV_ID_OBJECT_DISPLAY_SECTION) {
973 display_sec = entry->offset;
974 psiconv_debug(config,lev+3,off+len,"Found the Object Display Section at %08x",
975 display_sec);
976 } else if (entry->id == PSICONV_ID_OBJECT_ICON_SECTION) {
977 icon_sec = entry->offset;
978 psiconv_debug(config,lev+3,off+len,"Found the Object Icon Section at %08x",
979 icon_sec);
980 } else if (entry->id == PSICONV_ID_OBJECT_SECTION_TABLE_SECTION) {
981 table_sec = entry->offset;
982 psiconv_debug(config,lev+3,off+len,"Found the Object Section Table Section at %08x",
983 table_sec);
984 } else {
985 psiconv_warn(config,lev+3,off+len,
986 "Found unknown section in the Object Display Section "
987 "(ignoring)");
988 psiconv_debug(config,lev+3,off+len,"Section ID %08x, offset %08x",
989 entry->id, entry->offset);
990 }
991 }
992
993 psiconv_progress(config,lev+2,off+len,"Looking for the Object Display Section");
994 if (!icon_sec) {
995 psiconv_warn(config,lev+2,off+len,"Object Display Section not found");
996 (*result)->display = NULL;
997 } else {
998 psiconv_debug(config,lev+2,off+len,"Object Display Section at offset %08x",
999 display_sec);
1000 if ((res = psiconv_parse_object_display_section(config,buf,lev+2,display_sec,NULL,
1001 &(*result)->display)))
1002 goto ERROR2;
1003 }
1004
1005 psiconv_progress(config,lev+2,off+len,"Looking for the Object Icon Section");
1006 if (!icon_sec) {
1007 psiconv_warn(config,lev+2,off+len,"Object Icon Section not found");
1008 (*result)->icon = NULL;
1009 } else {
1010 psiconv_debug(config,lev+2,off+len,"Object Icon Section at offset %08x",icon_sec);
1011 if ((res = psiconv_parse_object_icon_section(config,buf,lev+2,icon_sec,NULL,
1012 &(*result)->icon)))
1013 goto ERROR3;
1014 }
1015
1016 psiconv_progress(config,lev+2,off+len,
1017 "Looking for the Section Table Offset Section");
1018 if (!table_sec) {
1019 psiconv_warn(config,lev+2,off+len,
1020 "Embedded Section Table Offset Section not found");
1021 (*result)->object = NULL;
1022 } else {
1023 psiconv_progress(config,lev+2,off+len,
1024 "Extracting object: add %08x to all following offsets",
1025 table_sec);
1026 /* We can't determine the length of the object, so we just take it all */
1027 if ((res = psiconv_buffer_subbuffer(&subbuf,buf,table_sec,
1028 psiconv_buffer_length(buf)-table_sec)))
1029 goto ERROR4;
1030
1031 if (!((*result)->object = malloc(sizeof(*(*result)->object))))
1032 goto ERROR5;
1033
1034 /* We need to find the file type, but we don't have a normal header */
1035 /* So we try to find the Application ID Section and hope for the best */
1036 psiconv_progress(config,lev+3,0,"Trying to determine the file type");
1037 (*result)->object->type = psiconv_determine_embedded_object_type
1038 (config,subbuf,lev+3,&res);
1039 switch ((*result)->object->type) {
1040 case psiconv_word_file:
1041 if ((res = psiconv_parse_word_file(config,subbuf,lev+3,0,
1042 ((psiconv_word_f *) &(*result)->object->file))))
1043 goto ERROR6;
1044 break;
1045 case psiconv_texted_file:
1046 if ((res = psiconv_parse_texted_file(config,subbuf,lev+3,0,
1047 ((psiconv_texted_f *) &(*result)->object->file))))
1048 goto ERROR6;
1049 break;
1050 case psiconv_sheet_file:
1051 if ((res = psiconv_parse_sheet_file(config,subbuf,lev+3,0,
1052 ((psiconv_sheet_f *) &(*result)->object->file))))
1053 goto ERROR6;
1054 break;
1055 case psiconv_sketch_file:
1056 if ((res = psiconv_parse_sketch_file(config,subbuf,lev+3,0,
1057 ((psiconv_sketch_f *) &(*result)->object->file))))
1058 goto ERROR6;
1059 break;
1060 default:
1061 psiconv_warn(config,lev+3,0,"Can't parse embedded object (still continuing)");
1062 (*result)->object->file = NULL;
1063 }
1064 }
1065
1066 if (length)
1067 *length = len;
1068
1069 psiconv_progress(config,lev+1,off+len-1,"End of Embedded Object Section "
1070 "(total length: %08x)",len);
1071
1072 return res;
1073
1074
1075ERROR6:
1076 free((*result)->object);
1077ERROR5:
1078 psiconv_buffer_free(subbuf);
1079ERROR4:
1080 psiconv_free_object_icon_section((*result)->icon);
1081ERROR3:
1082 psiconv_free_object_display_section((*result)->display);
1083ERROR2:
1084 psiconv_free_section_table_section(table);
1085ERROR1:
1086 psiconv_warn(config,lev+1,off,"Reading Embedded Object failed");
1087
1088 if (length)
1089 *length = 0;
1090
1091 if (res == 0)
1092 return -PSICONV_E_NOMEM;
1093 else
1094 return res;
1095}
1096
1097psiconv_file_type_t psiconv_determine_embedded_object_type
1098 (const psiconv_config config,
1099 const psiconv_buffer buf,int lev,
1100 int *status)
1101{
1102 psiconv_u32 off;
1103 psiconv_section_table_section table;
1104 int res,i;
1105 psiconv_file_type_t file_type = psiconv_unknown_file;
1106 psiconv_section_table_entry entry;
1107 psiconv_application_id_section applid;
1108
1109 psiconv_progress(config,lev+1,0,"Going to determine embedded object file type");
1110 psiconv_progress(config,lev+2,0,"Going to read the Section Table Offset Section");
1111 off = psiconv_read_u32(config,buf,lev,0,&res);
1112 if (res)
1113 goto ERROR1;
1114 psiconv_debug(config,lev+2,0,"Offset: %08x",off);
1115
1116 psiconv_progress(config,lev+2,off,"Going to read the Section Table Section");
1117 if ((res = psiconv_parse_section_table_section(config,buf,lev+2,off,NULL,&table)))
1118 goto ERROR1;
1119
1120 psiconv_progress(config,lev+2,off,"Going to search the Section Table Section "
1121 "for the Application ID Section");
1122 for (i=0; i < psiconv_list_length(table); i++) {
1123 psiconv_progress(config,lev+3,off,"Going to read entry %d",i);
1124 if (!(entry = psiconv_list_get(table,i)))
1125 goto ERROR2;
1126 if (entry->id == PSICONV_ID_APPL_ID_SECTION) {
1127 psiconv_progress(config,lev+3,off,
1128 "Found the Application ID Section at offset %08x",
1129 entry->offset);
1130 off = entry->offset;
1131 break;
1132 }
1133 }
1134 if (i == psiconv_list_length(table)) {
1135 psiconv_warn(config,lev+2,off,"No Application ID Section found");
1136 res = PSICONV_E_PARSE;
1137 goto ERROR2;
1138 }
1139
1140 psiconv_progress(config,lev+2,off,"Going to read the Application ID Section");
1141 if ((res = psiconv_parse_application_id_section(config,buf,lev+2,off,NULL,&applid)))
1142 goto ERROR2;
1143
1144 switch (applid->id) {
1145 case PSICONV_ID_WORD: file_type = psiconv_word_file;
1146 psiconv_debug(config,lev+2,off,"Found a Word file");
1147 break;
1148 case PSICONV_ID_TEXTED: file_type = psiconv_texted_file;
1149 psiconv_debug(config,lev+2,off,"Found a TextEd file");
1150 break;
1151 case PSICONV_ID_SKETCH: file_type = psiconv_sketch_file;
1152 psiconv_debug(config,lev+2,off,"Found a Sketch file");
1153 break;
1154 case PSICONV_ID_SHEET: file_type = psiconv_sheet_file;
1155 psiconv_debug(config,lev+2,off,"Found a Sheet file");
1156 break;
1157 default: psiconv_warn(config,lev+2,off,"Found an unknown file type");
1158 psiconv_debug(config,lev+2,off,"Found ID %08x",applid->id);
1159 }
1160
1161ERROR2:
1162 psiconv_free_application_id_section(applid);
1163ERROR1:
1164 psiconv_free_section_table_section(table);
1165 if (status)
1166 *status = res;
1167 return file_type;
1168
1169}
1170
1171int psiconv_parse_object_display_section(const psiconv_config config,
1172 const psiconv_buffer buf,int lev,
1173 psiconv_u32 off, int *length,
1174 psiconv_object_display_section *result)
1175{
1176 int res = 0;
1177 int len = 0;
1178 int leng;
1179 psiconv_u32 temp;
1180
1181 psiconv_progress(config,lev+1,off,"Going to read the Object Display Section");
1182 if (!(*result = malloc(sizeof(**result))))
1183 goto ERROR1;
1184
1185 psiconv_progress(config,lev+2,off+len,"Going to read the display as icon flag "
1186 "(expecting 0x00 or 0x01)");
1187 temp = psiconv_read_u8(config,buf,lev+2,off+len,&res);
1188 if (res)
1189 goto ERROR2;
1190 if (temp == 0x00) {
1191 (*result)->show_icon = psiconv_bool_true;
1192 psiconv_debug(config,lev+2,off+len,"Displayed as icon");
1193 } else if (temp == 0x01) {
1194 (*result)->show_icon = psiconv_bool_false;
1195 psiconv_debug(config,lev+2,off+len,"Displayed as full document");
1196 } else {
1197 psiconv_warn(config,lev+2,off+len,"Unknown Object Display Section Icon Flag");
1198 psiconv_debug(config,lev+2,off+len,"Icon flag found: %02x",temp);
1199 /* Improvise */
1200 (*result)->show_icon = (temp & 0x01?psiconv_bool_false:psiconv_bool_true);
1201 }
1202 len ++;
1203
1204 psiconv_progress(config,lev+2,off+len,"Going to read the display width");
1205 (*result)->width = psiconv_read_length(config,buf,lev+2,off+len,&leng,&res);
1206 if (res)
1207 goto ERROR2;
1208 psiconv_debug(config,lev+2,off+len,"Display width: %f cm",(*result)->width);
1209 len += leng;
1210
1211 psiconv_progress(config,lev+2,off+len,"Going to read the display height");
1212 (*result)->height = psiconv_read_length(config,buf,lev+2,off+len,&leng,&res);
1213 if (res)
1214 goto ERROR2;
1215 psiconv_debug(config,lev+2,off+len,"Display length: %f cm",(*result)->height);
1216 len += leng;
1217
1218 psiconv_progress(config,lev+2,off+len,"Going to read unknown long (%08x expected)",
1219 0);
1220 temp = psiconv_read_u32(config,buf,lev+2,off+len,&res);
1221 if (temp != 0) {
1222 psiconv_warn(config,lev+2,off+len,"Unknown Object Display Section final long");
1223 psiconv_debug(config,lev+2,off+len,"Long read: %08x",temp);
1224 }
1225 len += 4;
1226
1227 if (length)
1228 *length = len;
1229
1230 psiconv_progress(config,lev+1,off+len-1,"End of Object Display Section "
1231 "(total length: %08x",len);
1232 return res;
1233
1234ERROR2:
1235 free(*result);
1236ERROR1:
1237 psiconv_warn(config,lev+1,off+len,"Reading of Object Display Section failed");
1238 if (length)
1239 *length=0;
1240 if (!res)
1241 return -PSICONV_E_NOMEM;
1242 else
1243 return res;
1244}
1245
1246int psiconv_parse_object_icon_section(const psiconv_config config,
1247 const psiconv_buffer buf,int lev,
1248 psiconv_u32 off, int *length,
1249 psiconv_object_icon_section *result)
1250{
1251 int res = 0;
1252 int len = 0;
1253 int leng;
1254
1255 psiconv_progress(config,lev+1,off,"Going to read the Object Icon Section");
1256 if (!(*result = malloc(sizeof(**result))))
1257 goto ERROR1;
1258
1259 psiconv_progress(config,lev+2,off+len,"Going to read the icon name");
1260 (*result)->icon_name = psiconv_read_string(config,buf,lev+2,off+len,&leng,&res);
1261 if (res)
1262 goto ERROR2;
1263 psiconv_debug(config,lev+2,off+len,"Icon name: %s",(*result)->icon_name);
1264 len += leng;
1265
1266 psiconv_progress(config,lev+2,off+len,"Going to read the icon width");
1267 (*result)->icon_width = psiconv_read_length(config,buf,lev+2,off+len,&leng,&res);
1268 if (res)
1269 goto ERROR3;
1270 psiconv_debug(config,lev+2,off+len,"Icon width: %f cm",(*result)->icon_width);
1271 len += leng;
1272
1273 psiconv_progress(config,lev+2,off+len,"Going to read the icon height");
1274 (*result)->icon_height = psiconv_read_length(config,buf,lev+2,off+len,&leng,&res);
1275 if (res)
1276 goto ERROR3;
1277 psiconv_debug(config,lev+2,off+len,"Icon length: %f cm",(*result)->icon_height);
1278 len += leng;
1279
1280 if (length)
1281 *length = len;
1282
1283 psiconv_progress(config,lev+1,off+len-1,"End of Object Icon Section"
1284 "(total length: %08x",len);
1285 return res;
1286
1287ERROR3:
1288 free((*result)->icon_name);
1289ERROR2:
1290 free(*result);
1291ERROR1:
1292 psiconv_warn(config,lev+1,off+len,"Reading of Object Icon Section failed");
1293 if (length)
1294 *length=0;
1295 if (!res)
1296 return -PSICONV_E_NOMEM;
1297 else
1298 return res;
1299}

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