1 |
/* |
2 |
parse_word.c - Part of psiconv, a PSION 5 file formats converter |
3 |
Copyright (c) 1999, 2000 Frodo Looijaard <frodol@dds.nl> |
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|
5 |
This program is free software; you can redistribute it and/or modify |
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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. |
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|
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
18 |
*/ |
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|
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#include "config.h" |
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#include "compat.h" |
22 |
|
23 |
#include <stdlib.h> |
24 |
|
25 |
#include "parse_routines.h" |
26 |
#include "error.h" |
27 |
|
28 |
#ifdef DMALLOC |
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#include <dmalloc.h> |
30 |
#endif |
31 |
|
32 |
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; |
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int len=0; |
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psiconv_u32 temp; |
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int leng; |
40 |
|
41 |
psiconv_progress(lev+1,off,"Going to read the word status section"); |
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if (!(*result = malloc(sizeof(**result)))) |
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goto ERROR1; |
44 |
|
45 |
psiconv_progress(lev+2,off+len, |
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"Going to read the initial byte (%02x expected)",0x02); |
47 |
temp = psiconv_read_u8(buf,lev+2,off+len,&res); |
48 |
if (res) |
49 |
goto ERROR2; |
50 |
if (temp != 0x02) { |
51 |
psiconv_warn(lev+2,off+len, |
52 |
"Word status section initial byte unknown value (ignored)"); |
53 |
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 |
temp = psiconv_read_u8(buf,lev+2,off+len,&res); |
60 |
if (res) |
61 |
goto ERROR2; |
62 |
|
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(*result)->show_tabs = temp&0x01 ? psiconv_bool_true : psiconv_bool_false; |
64 |
psiconv_debug(lev+2,off+len,"Show tabs: %02x",(*result)->show_tabs); |
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(*result)->show_spaces = temp&0x02 ? psiconv_bool_true : psiconv_bool_false; |
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psiconv_debug(lev+2,off+len,"Show spaces: %02x",(*result)->show_spaces); |
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(*result)->show_paragraph_ends = temp &0x04 ? psiconv_bool_true : |
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psiconv_bool_false; |
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psiconv_debug(lev+2,off+len,"Show paragraph ends: %02x", |
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(*result)->show_paragraph_ends); |
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(*result)->show_line_breaks = temp & 0x08 ? psiconv_bool_true : |
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psiconv_bool_false; |
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psiconv_debug(lev+2,off+len,"Show line breaks: %02x", |
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(*result)->show_line_breaks); |
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(*result)->show_hard_minus = temp & 0x20 ? psiconv_bool_true : |
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psiconv_bool_false; |
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psiconv_debug(lev+2,off+len,"Show hard minus: %02x", |
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(*result)->show_hard_minus); |
79 |
(*result)->show_hard_space = temp & 0x40 ? psiconv_bool_true : |
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psiconv_bool_false; |
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psiconv_debug(lev+2,off+len,"Show hard space: %02x", |
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(*result)->show_hard_space); |
83 |
if (temp & 0x90) { |
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psiconv_warn(lev+2,off+len,"Word status section first byte of display " |
85 |
"flags contains unknown flags (ignored)"); |
86 |
psiconv_debug(lev+2,off+len,"Unknown flags: %02x",temp & 0x90); |
87 |
} |
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len ++; |
89 |
|
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psiconv_progress(lev+2,off+len,"Going to read second byte of display flags"); |
91 |
temp = psiconv_read_u8(buf,lev+2,off+len,&res); |
92 |
if (res) |
93 |
goto ERROR2; |
94 |
|
95 |
(*result)->show_full_pictures = temp & 0x01 ? psiconv_bool_true : |
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psiconv_bool_false; |
97 |
psiconv_debug(lev+2,off+len,"Show full pictures: %02x", |
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(*result)->show_full_pictures); |
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(*result)->show_full_graphs = temp & 0x02 ? psiconv_bool_true : |
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psiconv_bool_false; |
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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 |
"flags contains unknown flags (ignored)"); |
106 |
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"); |
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if ((res = psiconv_parse_bool(buf,lev+2,off+len,&leng, |
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&(*result)->show_top_toolbar))) |
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goto ERROR2; |
114 |
len += leng; |
115 |
|
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psiconv_progress(lev+2,off+len,"Going to read side toolbar setting"); |
117 |
if ((res = psiconv_parse_bool(buf,lev+2,off+len,&leng, |
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&(*result)->show_side_toolbar))) |
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goto ERROR2; |
120 |
len += leng; |
121 |
|
122 |
psiconv_progress(lev+2,off+len,"Going to read operational flags"); |
123 |
temp = psiconv_read_u8(buf,lev+2,off+len,&res); |
124 |
if (res) |
125 |
goto ERROR2; |
126 |
(*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 |
"contains unknown flags (ignored)"); |
133 |
psiconv_debug(lev+2,off+len,"Unknown flags: %02x",temp & 0xfc); |
134 |
} |
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len ++; |
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|
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psiconv_progress(lev+2,off+len,"Going to read cursor position"); |
138 |
(*result)->cursor_position = psiconv_read_u32(buf,lev+2,off + len,&res); |
139 |
if (res) |
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goto ERROR2; |
141 |
psiconv_debug(lev+2,off+len,"Cursor position: %08x", |
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(*result)->cursor_position); |
143 |
len += 0x04; |
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|
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psiconv_progress(lev+2,off+len,"Going to read display size"); |
146 |
(*result)->display_size = psiconv_read_u32(buf,lev+2,off + len,&res); |
147 |
if (res) |
148 |
goto ERROR2; |
149 |
psiconv_debug(lev+2,off+len,"Display size: %08x", |
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(*result)->display_size); |
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len += 0x04; |
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|
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if (length) |
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*length = len; |
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|
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psiconv_progress(lev,off+len-1, |
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"End of word status section (total length: %08x)", len); |
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return 0; |
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|
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ERROR2: |
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free (*result); |
162 |
ERROR1: |
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psiconv_warn(lev+1,off,"Reading of Word Status Section failed"); |
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if (length) |
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*length = 0; |
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if (!res) |
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return -PSICONV_E_NOMEM; |
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else |
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return res; |
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} |
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|
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int psiconv_parse_word_styles_section(const psiconv_buffer buf, int lev, |
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psiconv_u32 off, int *length, |
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psiconv_word_styles_section *result) |
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{ |
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int res=0; |
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int len=0; |
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int leng,i,nr,j; |
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psiconv_word_style style; |
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psiconv_u32 temp; |
181 |
|
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psiconv_progress(lev+1,off,"Going to read the word styles section"); |
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if (!(*result = malloc(sizeof(**result)))) |
184 |
goto ERROR1; |
185 |
|
186 |
psiconv_progress(lev+2,off+len,"Going to read style normal"); |
187 |
if (!(style = malloc(sizeof(*style)))) |
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goto ERROR2; |
189 |
style->name = NULL; |
190 |
if (!(style->paragraph = psiconv_basic_paragraph_layout())) |
191 |
goto ERROR2_1; |
192 |
psiconv_progress(lev+3,off+len,"Going to read the paragraph codes"); |
193 |
if ((res = psiconv_parse_paragraph_layout_list(buf,lev+3,off+len,&leng, |
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style->paragraph))) |
195 |
goto ERROR2_2; |
196 |
len += leng; |
197 |
psiconv_progress(lev+3,off+len,"Going to read the character codes"); |
198 |
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 |
len += leng; |
204 |
psiconv_progress(lev+3,off+len,"Going to read the hotkey"); |
205 |
temp = psiconv_read_u32(buf,lev+3,off+len,&res); |
206 |
if (res) |
207 |
goto ERROR2_3; |
208 |
if (temp & 0xffffff00) { |
209 |
psiconv_warn(lev+3,off+len, |
210 |
"Normal style hotkey has unknown value (ignored)"); |
211 |
psiconv_debug(lev+3,off+len,"Hotkey value %08x",temp); |
212 |
temp = 0; |
213 |
} |
214 |
style->hotkey = temp & 0x000000ff; |
215 |
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 |
if (!((*result)->styles = psiconv_list_new(sizeof(*style)))) |
226 |
goto ERROR3; |
227 |
if (!(style = malloc(sizeof(*style)))) { |
228 |
goto ERROR3_1; |
229 |
} |
230 |
|
231 |
psiconv_progress(lev+3,off+len,"Going to read the number of entries"); |
232 |
nr = psiconv_read_u8(buf,lev+3,off+len,&res); |
233 |
if (res) |
234 |
goto ERROR3_2; |
235 |
len ++; |
236 |
psiconv_debug(lev+3,off+len,"Nummer of hotkeys: %02x",nr); |
237 |
for (i = 0; i < nr; i ++) { |
238 |
temp = psiconv_read_u32(buf,lev+2,off+len,&res); |
239 |
if (res) |
240 |
goto ERROR3_2; |
241 |
if (temp & 0xffffff00) { |
242 |
psiconv_warn(lev+3,off+len,"Style hotkey has unknown value (ignored)"); |
243 |
psiconv_debug(lev+3,off+len,"Hotkey %d value %08x",i,temp); |
244 |
temp = 0; |
245 |
} |
246 |
style->hotkey = temp & 0x000000ff; |
247 |
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 |
if ((res = psiconv_list_add((*result)->styles,style))) |
254 |
goto ERROR3_2; |
255 |
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 |
nr = psiconv_read_u8(buf,lev+3,off+len,&res); |
262 |
if (res) |
263 |
goto ERROR4; |
264 |
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 |
if (!(style = malloc(sizeof(*style)))) |
275 |
goto ERROR5; |
276 |
style->hotkey = 0; |
277 |
if (!(psiconv_list_add((*result)->styles,style))) { |
278 |
free(style); |
279 |
goto ERROR5; |
280 |
} |
281 |
psiconv_debug(lev+3,off+len,"New entry added in list"); |
282 |
free(style); |
283 |
} |
284 |
if (!(style = psiconv_list_get((*result)->styles,i))) |
285 |
goto ERROR5; |
286 |
psiconv_progress(lev+3,off+len,"Going to read the style name"); |
287 |
style->name = psiconv_read_string(buf,lev+3,off+len,&leng,&res); |
288 |
if (res) |
289 |
goto ERROR5; |
290 |
len += leng; |
291 |
psiconv_progress(lev+3,off+len, |
292 |
"Going to read whether this style is built-in"); |
293 |
temp = psiconv_read_u32(buf,lev+2,off+len,&res); |
294 |
if (res) |
295 |
goto ERROR6; |
296 |
|
297 |
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 |
psiconv_warn(lev+3,off+len, |
305 |
"Word styles section unknown style id (treated as built-in)"); |
306 |
psiconv_debug(lev+3,off+len,"Unknown id: %08x",temp); |
307 |
style->built_in = psiconv_bool_false; |
308 |
} |
309 |
len += 4; |
310 |
psiconv_progress(lev+3,off+len,"Going to read outline level"); |
311 |
style->outline_level = psiconv_read_u32(buf,lev+3,off+len,&res); |
312 |
if (res) |
313 |
goto ERROR6; |
314 |
psiconv_debug(lev+3,off+len,"Outline Level: %08x", style->outline_level); |
315 |
len += 4; |
316 |
psiconv_progress(lev+3,off+len,"Going to read the character codes"); |
317 |
if (!(style->character = psiconv_clone_character_layout((*result)->normal->character))) |
318 |
goto ERROR6; |
319 |
if ((res = psiconv_parse_character_layout_list(buf,lev+3,off+len,&leng, |
320 |
style->character))) |
321 |
goto ERROR7; |
322 |
len += leng; |
323 |
psiconv_progress(lev+3,off+len,"Going to read the paragraph codes"); |
324 |
if (!(style->paragraph = psiconv_clone_paragraph_layout((*result)->normal->paragraph))) |
325 |
goto ERROR7; |
326 |
if ((res = psiconv_parse_paragraph_layout_list(buf,lev+3,off+len,&leng, |
327 |
style->paragraph))) |
328 |
goto ERROR8; |
329 |
len += leng; |
330 |
} |
331 |
|
332 |
psiconv_progress(lev+2,off+len,"Reading trailing bytes"); |
333 |
for (i = 0; i < psiconv_list_length((*result)->styles); i++) { |
334 |
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 |
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 |
|
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 |
} |
400 |
|
401 |
|
402 |
|