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

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Revision 142 - (hide annotations)
Tue Jan 29 18:38:38 2002 UTC (22 years, 2 months ago) by frodo
File MIME type: text/plain
File size: 14079 byte(s)
(Frodo) DMALLOC support

1 frodo 2 /*
2     parse_word.c - Part of psiconv, a PSION 5 file formats converter
3 frodo 63 Copyright (c) 1999, 2000 Frodo Looijaard <frodol@dds.nl>
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 71 #include "compat.h"
22    
23 frodo 2 #include <stdlib.h>
24 frodo 71
25 frodo 2 #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 frodo 2 int psiconv_parse_word_status_section(const psiconv_buffer buf, int lev,
33     psiconv_u32 off, int *length,
34     psiconv_word_status_section *result)
35     {
36     int res=0;
37     int len=0;
38     psiconv_u32 temp;
39     int leng;
40    
41     psiconv_progress(lev+1,off,"Going to read the word status section");
42 frodo 64 if (!(*result = malloc(sizeof(**result))))
43     goto ERROR1;
44 frodo 2
45     psiconv_progress(lev+2,off+len,
46     "Going to read the initial byte (%02x expected)",0x02);
47 frodo 64 temp = psiconv_read_u8(buf,lev+2,off+len,&res);
48     if (res)
49     goto ERROR2;
50 frodo 2 if (temp != 0x02) {
51     psiconv_warn(lev+2,off+len,
52 frodo 64 "Word status section initial byte unknown value (ignored)");
53 frodo 2 psiconv_debug(lev+2,off+len,"Initial byte: %02x",temp);
54     }
55     len ++;
56    
57     psiconv_progress(lev+2,off+len,
58     "Going to read the first byte of display flags");
59 frodo 64 temp = psiconv_read_u8(buf,lev+2,off+len,&res);
60     if (res)
61     goto ERROR2;
62 frodo 2
63     (*result)->show_tabs = temp&0x01 ? psiconv_bool_true : psiconv_bool_false;
64     psiconv_debug(lev+2,off+len,"Show tabs: %02x",(*result)->show_tabs);
65     (*result)->show_spaces = temp&0x02 ? psiconv_bool_true : psiconv_bool_false;
66     psiconv_debug(lev+2,off+len,"Show spaces: %02x",(*result)->show_spaces);
67     (*result)->show_paragraph_ends = temp &0x04 ? psiconv_bool_true :
68     psiconv_bool_false;
69     psiconv_debug(lev+2,off+len,"Show paragraph ends: %02x",
70     (*result)->show_paragraph_ends);
71     (*result)->show_line_breaks = temp & 0x08 ? psiconv_bool_true :
72     psiconv_bool_false;
73     psiconv_debug(lev+2,off+len,"Show line breaks: %02x",
74     (*result)->show_line_breaks);
75     (*result)->show_hard_minus = temp & 0x20 ? psiconv_bool_true :
76     psiconv_bool_false;
77     psiconv_debug(lev+2,off+len,"Show hard minus: %02x",
78     (*result)->show_hard_minus);
79     (*result)->show_hard_space = temp & 0x40 ? psiconv_bool_true :
80     psiconv_bool_false;
81     psiconv_debug(lev+2,off+len,"Show hard space: %02x",
82     (*result)->show_hard_space);
83     if (temp & 0x90) {
84     psiconv_warn(lev+2,off+len,"Word status section first byte of display "
85 frodo 64 "flags contains unknown flags (ignored)");
86 frodo 2 psiconv_debug(lev+2,off+len,"Unknown flags: %02x",temp & 0x90);
87     }
88     len ++;
89    
90     psiconv_progress(lev+2,off+len,"Going to read second byte of display flags");
91 frodo 64 temp = psiconv_read_u8(buf,lev+2,off+len,&res);
92     if (res)
93     goto ERROR2;
94 frodo 2
95     (*result)->show_full_pictures = temp & 0x01 ? psiconv_bool_true :
96     psiconv_bool_false;
97     psiconv_debug(lev+2,off+len,"Show full pictures: %02x",
98     (*result)->show_full_pictures);
99     (*result)->show_full_graphs = temp & 0x02 ? psiconv_bool_true :
100     psiconv_bool_false;
101     psiconv_debug(lev+2,off+len,"Show full graphs: %02x",
102     (*result)->show_full_graphs);
103     if (temp & 0xfc) {
104     psiconv_warn(lev+2,off+len,"Word status section second byte of display "
105 frodo 64 "flags contains unknown flags (ignored)");
106 frodo 2 psiconv_debug(lev+2,off+len,"Unknown flags: %02x",temp & 0xfc);
107     }
108     len ++;
109    
110     psiconv_progress(lev+2,off+len,"Going to read top toolbar setting");
111 frodo 64 if ((res = psiconv_parse_bool(buf,lev+2,off+len,&leng,
112     &(*result)->show_top_toolbar)))
113     goto ERROR2;
114 frodo 2 len += leng;
115    
116     psiconv_progress(lev+2,off+len,"Going to read side toolbar setting");
117 frodo 64 if ((res = psiconv_parse_bool(buf,lev+2,off+len,&leng,
118     &(*result)->show_side_toolbar)))
119     goto ERROR2;
120 frodo 2 len += leng;
121    
122     psiconv_progress(lev+2,off+len,"Going to read operational flags");
123 frodo 64 temp = psiconv_read_u8(buf,lev+2,off+len,&res);
124     if (res)
125     goto ERROR2;
126 frodo 2 (*result)->fit_lines_to_screen = temp & 0x08 ? psiconv_bool_true :
127     psiconv_bool_false;
128     psiconv_debug(lev+2,off+len,"Fit lines to screen: %02x",
129     (*result)->fit_lines_to_screen);
130     if (temp & 0xf7) {
131     psiconv_warn(lev+2,off+len,"Word status section operational flags "
132 frodo 64 "contains unknown flags (ignored)");
133 frodo 2 psiconv_debug(lev+2,off+len,"Unknown flags: %02x",temp & 0xfc);
134     }
135     len ++;
136    
137     psiconv_progress(lev+2,off+len,"Going to read cursor position");
138 frodo 64 (*result)->cursor_position = psiconv_read_u32(buf,lev+2,off + len,&res);
139     if (res)
140     goto ERROR2;
141 frodo 2 psiconv_debug(lev+2,off+len,"Cursor position: %08x",
142     (*result)->cursor_position);
143     len += 0x04;
144    
145     psiconv_progress(lev+2,off+len,"Going to read display size");
146 frodo 82 (*result)->display_size = psiconv_read_u32(buf,lev+2,off + len,&res);
147 frodo 64 if (res)
148     goto ERROR2;
149 frodo 2 psiconv_debug(lev+2,off+len,"Display size: %08x",
150 frodo 82 (*result)->display_size);
151 frodo 2 len += 0x04;
152    
153     if (length)
154     *length = len;
155    
156     psiconv_progress(lev,off+len-1,
157     "End of word status section (total length: %08x)", len);
158 frodo 64 return 0;
159 frodo 2
160 frodo 64 ERROR2:
161     free (*result);
162     ERROR1:
163     psiconv_warn(lev+1,off,"Reading of Word Status Section failed");
164     if (length)
165     *length = 0;
166     if (!res)
167     return -PSICONV_E_NOMEM;
168     else
169     return res;
170 frodo 2 }
171    
172     int psiconv_parse_word_styles_section(const psiconv_buffer buf, int lev,
173     psiconv_u32 off, int *length,
174     psiconv_word_styles_section *result)
175     {
176     int res=0;
177     int len=0;
178 frodo 64 int leng,i,nr,j;
179 frodo 2 psiconv_word_style style;
180     psiconv_u32 temp;
181    
182     psiconv_progress(lev+1,off,"Going to read the word styles section");
183 frodo 64 if (!(*result = malloc(sizeof(**result))))
184     goto ERROR1;
185 frodo 2
186     psiconv_progress(lev+2,off+len,"Going to read style normal");
187 frodo 64 if (!(style = malloc(sizeof(*style))))
188     goto ERROR2;
189 frodo 2 style->name = NULL;
190 frodo 64 if (!(style->paragraph = psiconv_basic_paragraph_layout()))
191     goto ERROR2_1;
192 frodo 2 psiconv_progress(lev+3,off+len,"Going to read the paragraph codes");
193 frodo 64 if ((res = psiconv_parse_paragraph_layout_list(buf,lev+3,off+len,&leng,
194     style->paragraph)))
195     goto ERROR2_2;
196 frodo 2 len += leng;
197     psiconv_progress(lev+3,off+len,"Going to read the character codes");
198 frodo 64 if (!(style->character = psiconv_basic_character_layout()))
199     goto ERROR2_2;
200     if ((res = psiconv_parse_character_layout_list(buf,lev+3,off+len,&leng,
201     style->character)))
202     goto ERROR2_3;
203 frodo 2 len += leng;
204     psiconv_progress(lev+3,off+len,"Going to read the hotkey");
205 frodo 64 temp = psiconv_read_u32(buf,lev+3,off+len,&res);
206     if (res)
207     goto ERROR2_3;
208 frodo 2 if (temp & 0xffffff00) {
209 frodo 64 psiconv_warn(lev+3,off+len,
210     "Normal style hotkey has unknown value (ignored)");
211 frodo 2 psiconv_debug(lev+3,off+len,"Hotkey value %08x",temp);
212     temp = 0;
213     }
214 frodo 64 style->hotkey = temp & 0x000000ff;
215 frodo 2 if ((style->hotkey >= 32) && (style->hotkey < 127))
216     psiconv_debug(lev+3,off+len,"Hotkey: %c",style->hotkey);
217     else if (style->hotkey == 0x00)
218     psiconv_debug(lev+3,off+len,"Hotkey: <none>");
219     else
220     psiconv_debug(lev+3,off+len,"Hotkey: %02x",style->hotkey);
221     (*result)->normal = style;
222     len += 0x04;
223    
224     psiconv_progress(lev+2,off+len,"Going to read hotkeys list");
225 frodo 64 if (!((*result)->styles = psiconv_list_new(sizeof(*style))))
226     goto ERROR3;
227     if (!(style = malloc(sizeof(*style)))) {
228     goto ERROR3_1;
229     }
230    
231 frodo 2 psiconv_progress(lev+3,off+len,"Going to read the number of entries");
232 frodo 64 nr = psiconv_read_u8(buf,lev+3,off+len,&res);
233     if (res)
234     goto ERROR3_2;
235 frodo 2 len ++;
236     psiconv_debug(lev+3,off+len,"Nummer of hotkeys: %02x",nr);
237     for (i = 0; i < nr; i ++) {
238 frodo 64 temp = psiconv_read_u32(buf,lev+2,off+len,&res);
239     if (res)
240     goto ERROR3_2;
241 frodo 2 if (temp & 0xffffff00) {
242 frodo 64 psiconv_warn(lev+3,off+len,"Style hotkey has unknown value (ignored)");
243 frodo 2 psiconv_debug(lev+3,off+len,"Hotkey %d value %08x",i,temp);
244     temp = 0;
245     }
246 frodo 64 style->hotkey = temp & 0x000000ff;
247 frodo 2 if ((style->hotkey >= 32) && (style->hotkey < 127))
248     psiconv_debug(lev+3,off+len,"Hotkey %d: %c",i,style->hotkey);
249     else if (style->hotkey == 0x00)
250     psiconv_debug(lev+3,off+len,"Hotkey %d: <none>",i);
251     else
252     psiconv_debug(lev+3,off+len,"Hotkey %d: %02x",i,style->hotkey);
253 frodo 64 if ((res = psiconv_list_add((*result)->styles,style)))
254     goto ERROR3_2;
255 frodo 2 len += 0x04;
256     }
257     free(style);
258    
259     psiconv_progress(lev+2,off+len,"Going to read all other styles");
260     psiconv_progress(lev+2,off+len,"Going to read the number of styles");
261 frodo 64 nr = psiconv_read_u8(buf,lev+3,off+len,&res);
262     if (res)
263     goto ERROR4;
264 frodo 2 if (nr != psiconv_list_length((*result)->styles)) {
265     psiconv_warn(lev+3,off+len,"Number of styles and hotkeys do not match");
266     psiconv_debug(lev+3,off+len,"%d hotkeys, %d styles",
267     psiconv_list_length((*result)->styles), nr);
268     }
269     len ++;
270    
271     for (i = 0; i < nr; i++) {
272     psiconv_progress(lev+2,off+len,"Next style: %d",i);
273     if (i >= psiconv_list_length((*result)->styles)) {
274 frodo 64 if (!(style = malloc(sizeof(*style))))
275     goto ERROR5;
276 frodo 2 style->hotkey = 0;
277 frodo 64 if (!(psiconv_list_add((*result)->styles,style))) {
278     free(style);
279     goto ERROR5;
280     }
281 frodo 2 psiconv_debug(lev+3,off+len,"New entry added in list");
282     free(style);
283     }
284 frodo 64 if (!(style = psiconv_list_get((*result)->styles,i)))
285     goto ERROR5;
286 frodo 2 psiconv_progress(lev+3,off+len,"Going to read the style name");
287 frodo 64 style->name = psiconv_read_string(buf,lev+3,off+len,&leng,&res);
288     if (res)
289     goto ERROR5;
290 frodo 2 len += leng;
291     psiconv_progress(lev+3,off+len,
292     "Going to read whether this style is built-in");
293 frodo 64 temp = psiconv_read_u32(buf,lev+2,off+len,&res);
294     if (res)
295     goto ERROR6;
296    
297 frodo 2 if (temp == PSICONV_ID_STYLE_BUILT_IN) {
298     style->built_in = psiconv_bool_true;
299     psiconv_debug(lev+3,off+len,"Built-in style");
300     } else if (temp == PSICONV_ID_STYLE_REMOVABLE) {
301     style->built_in = psiconv_bool_false;
302     psiconv_debug(lev+3,off+len,"Removable style");
303     } else {
304 frodo 64 psiconv_warn(lev+3,off+len,
305     "Word styles section unknown style id (treated as built-in)");
306 frodo 2 psiconv_debug(lev+3,off+len,"Unknown id: %08x",temp);
307     style->built_in = psiconv_bool_false;
308     }
309     len += 4;
310 frodo 27 psiconv_progress(lev+3,off+len,"Going to read outline level");
311 frodo 64 style->outline_level = psiconv_read_u32(buf,lev+3,off+len,&res);
312     if (res)
313     goto ERROR6;
314 frodo 27 psiconv_debug(lev+3,off+len,"Outline Level: %08x", style->outline_level);
315 frodo 2 len += 4;
316     psiconv_progress(lev+3,off+len,"Going to read the character codes");
317 frodo 70 if (!(style->character = psiconv_clone_character_layout((*result)->normal->character)))
318 frodo 64 goto ERROR6;
319     if ((res = psiconv_parse_character_layout_list(buf,lev+3,off+len,&leng,
320     style->character)))
321     goto ERROR7;
322 frodo 2 len += leng;
323     psiconv_progress(lev+3,off+len,"Going to read the paragraph codes");
324 frodo 70 if (!(style->paragraph = psiconv_clone_paragraph_layout((*result)->normal->paragraph)))
325 frodo 64 goto ERROR7;
326     if ((res = psiconv_parse_paragraph_layout_list(buf,lev+3,off+len,&leng,
327     style->paragraph)))
328     goto ERROR8;
329 frodo 2 len += leng;
330     }
331    
332 frodo 82 psiconv_progress(lev+2,off+len,"Reading trailing bytes");
333 frodo 83 for (i = 0; i < psiconv_list_length((*result)->styles); i++) {
334 frodo 82 temp = psiconv_read_u8(buf,lev+3,off+len,&res);
335     if (res)
336     goto ERROR4;
337     if (temp != 0xff) {
338     psiconv_warn(lev+3,off+len,"Unknown trailing style byte");
339     psiconv_debug(lev+3,off+len,"Trailing byte: %02x expected, read %02x",
340     0xff,temp);
341     } else
342     psiconv_debug(lev+3,off+len,"Read trailing byte 0xff");
343     len++;
344     }
345    
346 frodo 2 if (length)
347     *length = len;
348    
349     psiconv_progress(lev,off+len-1,
350     "End of word styles section (total length: %08x)", len);
351    
352     return res;
353 frodo 64
354    
355     ERROR3_2:
356     free(style);
357     ERROR3_1:
358     psiconv_list_free((*result)->styles);
359     goto ERROR3;
360    
361     ERROR2_3:
362     psiconv_free_character_layout(style->character);
363     ERROR2_2:
364     psiconv_free_paragraph_layout(style->paragraph);
365     ERROR2_1:
366     free (style);
367     goto ERROR2;
368    
369     ERROR8:
370     psiconv_free_paragraph_layout(style->paragraph);
371     ERROR7:
372     psiconv_free_character_layout(style->character);
373     ERROR6:
374     free(style->name);
375     ERROR5:
376     for (j = 0; j < i ;j++) {
377     if (!(style = psiconv_list_get((*result)->styles,j))) {
378     psiconv_warn(lev+1,off,"Massive memory corruption");
379     goto ERROR4;
380     }
381     psiconv_free_character_layout(style->character);
382     psiconv_free_paragraph_layout(style->paragraph);
383     free(style->name);
384     }
385     ERROR4:
386     psiconv_list_free((*result)->styles);
387     ERROR3:
388     psiconv_free_word_style((*result)->normal);
389     ERROR2:
390     free (*result);
391     ERROR1:
392     psiconv_warn(lev+1,off,"Reading of Word Status Section failed");
393     if (length)
394     *length = 0;
395     if (!res)
396     return -PSICONV_E_NOMEM;
397     else
398     return res;
399 frodo 2 }
400    
401    
402 frodo 64

frodo@frodo.looijaard.name
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