1 |
/* |
2 |
generate_common.c - Part of psiconv, a PSION 5 file formats converter |
3 |
Copyright (c) 2000 Frodo Looijaard <frodol@dds.nl> |
4 |
|
5 |
This program is free software; you can redistribute it and/or modify |
6 |
it under the terms of the GNU General Public License as published by |
7 |
the Free Software Foundation; either version 2 of the License, or |
8 |
(at your option) any later version. |
9 |
|
10 |
This program is distributed in the hope that it will be useful, |
11 |
but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
13 |
GNU General Public License for more details. |
14 |
|
15 |
You should have received a copy of the GNU General Public License |
16 |
along with this program; if not, write to the Free Software |
17 |
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
18 |
*/ |
19 |
|
20 |
#include "config.h" |
21 |
#include "compat.h" |
22 |
#include <stdlib.h> |
23 |
#include <string.h> |
24 |
|
25 |
#include "generate_routines.h" |
26 |
#include "error.h" |
27 |
|
28 |
static int psiconv_write_layout_section(psiconv_buffer buf, |
29 |
const psiconv_text_and_layout value, |
30 |
const psiconv_word_styles_section styles, |
31 |
int with_styles); |
32 |
|
33 |
/* Maybe use a psiconv_header_section variable instead? */ |
34 |
int psiconv_write_header_section(psiconv_buffer buf,psiconv_u32 uid1, |
35 |
psiconv_u32 uid2, psiconv_u32 uid3) |
36 |
{ |
37 |
int res; |
38 |
if ((res = psiconv_write_u32(buf,uid1))) |
39 |
return res; |
40 |
if ((res = psiconv_write_u32(buf,uid2))) |
41 |
return res; |
42 |
if ((res = psiconv_write_u32(buf,uid3))) |
43 |
return res; |
44 |
return psiconv_write_u32(buf,psiconv_checkuid(uid1,uid2,uid3)); |
45 |
} |
46 |
|
47 |
int psiconv_write_section_table_section(psiconv_buffer buf, |
48 |
const psiconv_section_table_section value) |
49 |
{ |
50 |
int res,i; |
51 |
psiconv_section_table_entry entry; |
52 |
|
53 |
if (!value) { |
54 |
psiconv_warn(0,psiconv_buffer_length(buf),"Null section table section"); |
55 |
return -PSICONV_E_GENERATE; |
56 |
} |
57 |
|
58 |
if ((res = psiconv_write_u8(buf,2 * psiconv_list_length(value)))) |
59 |
return res; |
60 |
for (i = 0; i < psiconv_list_length(value); i++) { |
61 |
if (!(entry = psiconv_list_get(value,i))) { |
62 |
psiconv_warn(0,psiconv_buffer_length(buf),"Massive memory corruption"); |
63 |
return -PSICONV_E_NOMEM; |
64 |
} |
65 |
if ((res = psiconv_write_u32(buf,entry->id))) |
66 |
return res; |
67 |
if ((res = psiconv_write_offset(buf,entry->offset))) |
68 |
return res; |
69 |
} |
70 |
return -PSICONV_E_OK; |
71 |
} |
72 |
|
73 |
int psiconv_write_application_id_section(psiconv_buffer buf,psiconv_u32 id, |
74 |
const psiconv_string_t text) |
75 |
{ |
76 |
int res; |
77 |
if ((res = psiconv_write_u32(buf,id))) |
78 |
return res; |
79 |
return psiconv_write_string(buf,text); |
80 |
} |
81 |
|
82 |
int psiconv_write_text_section(psiconv_buffer buf, |
83 |
const psiconv_text_and_layout value) |
84 |
{ |
85 |
int res; |
86 |
psiconv_buffer extra_buf; |
87 |
int i,j; |
88 |
psiconv_paragraph paragraph; |
89 |
|
90 |
if (!value) { |
91 |
psiconv_warn(0,psiconv_buffer_length(buf),"Null text section"); |
92 |
return -PSICONV_E_GENERATE; |
93 |
} |
94 |
|
95 |
if (!(extra_buf = psiconv_buffer_new())) |
96 |
return -PSICONV_E_NOMEM; |
97 |
for (i = 0; i < psiconv_list_length(value); i++) { |
98 |
if (!(paragraph = psiconv_list_get(value,i))) { |
99 |
psiconv_warn(0,psiconv_buffer_length(buf),"Massive memory corruption"); |
100 |
res = -PSICONV_E_OTHER; |
101 |
goto ERROR; |
102 |
} |
103 |
for (j = 0; j < strlen(paragraph->text); j++) |
104 |
if ((res = psiconv_write_u8(extra_buf,paragraph->text[j]))) |
105 |
goto ERROR; |
106 |
psiconv_write_u8(extra_buf,0x06); |
107 |
} |
108 |
if ((res = psiconv_write_X(buf,psiconv_buffer_length(extra_buf)))) |
109 |
goto ERROR; |
110 |
res = psiconv_buffer_concat(buf,extra_buf); |
111 |
|
112 |
ERROR: |
113 |
psiconv_buffer_free(extra_buf); |
114 |
return res; |
115 |
} |
116 |
|
117 |
int psiconv_write_layout_section(psiconv_buffer buf, |
118 |
const psiconv_text_and_layout value, |
119 |
const psiconv_word_styles_section styles, |
120 |
int with_styles) |
121 |
{ |
122 |
typedef struct psiconv_paragraph_type_list_s |
123 |
{ |
124 |
psiconv_character_layout character; |
125 |
psiconv_paragraph_layout paragraph; |
126 |
psiconv_u8 style; |
127 |
psiconv_u8 nr; |
128 |
} *psiconv_paragraph_type_list; |
129 |
psiconv_list paragraph_type_list; /* Of psiconv_paragraph_type_list_s */ |
130 |
psiconv_paragraph_type_list paragraph_type; |
131 |
struct psiconv_paragraph_type_list_s new_type; |
132 |
psiconv_buffer buf_types,buf_elements,buf_inlines; |
133 |
psiconv_paragraph paragraph; |
134 |
psiconv_in_line_layout in_line; |
135 |
psiconv_word_style style; |
136 |
int i,j,para_type,nr_of_inlines=0,res; |
137 |
|
138 |
if (!value) { |
139 |
psiconv_warn(0,psiconv_buffer_length(buf),"Null text section"); |
140 |
return -PSICONV_E_GENERATE; |
141 |
} |
142 |
|
143 |
if (!(paragraph_type_list = psiconv_list_new(sizeof(new_type)))) { |
144 |
res = -PSICONV_E_NOMEM; |
145 |
goto ERROR1; |
146 |
} |
147 |
|
148 |
if (!(buf_types = psiconv_buffer_new())) { |
149 |
res = -PSICONV_E_NOMEM; |
150 |
goto ERROR2; |
151 |
} |
152 |
|
153 |
if (!(buf_elements = psiconv_buffer_new())) { |
154 |
res = -PSICONV_E_NOMEM; |
155 |
goto ERROR3; |
156 |
} |
157 |
|
158 |
if (!(buf_inlines = psiconv_buffer_new())) { |
159 |
res = -PSICONV_E_NOMEM; |
160 |
goto ERROR4; |
161 |
} |
162 |
|
163 |
for (i = 0; i < psiconv_list_length(value); i++) { |
164 |
if (!(paragraph = psiconv_list_get(value,i))) { |
165 |
psiconv_warn(0,psiconv_buffer_length(buf),"Massive memory corruption"); |
166 |
res = -PSICONV_E_OTHER; |
167 |
goto ERROR5; |
168 |
} |
169 |
if ((res = psiconv_write_u32(buf_elements,strlen(paragraph->text)+1))) |
170 |
goto ERROR5; |
171 |
|
172 |
if (psiconv_list_length(paragraph->in_lines)) { |
173 |
/* Inline layouts, so we generate a paragraph element and inline |
174 |
elements */ |
175 |
if ((res = psiconv_write_u8(buf_elements,0x00))) |
176 |
goto ERROR5; |
177 |
if (!(style = psiconv_get_style(styles,paragraph->base_style))) { |
178 |
psiconv_warn(0,psiconv_buffer_length(buf),"Unknown style"); |
179 |
res = -PSICONV_E_GENERATE; |
180 |
goto ERROR5; |
181 |
} |
182 |
if ((res = psiconv_write_paragraph_layout_list(buf_elements, |
183 |
paragraph->base_paragraph, |
184 |
style->paragraph))) |
185 |
goto ERROR5; |
186 |
if (with_styles) |
187 |
if ((res = psiconv_write_u8(buf_elements,paragraph->base_style))) |
188 |
goto ERROR5; |
189 |
if ((res = psiconv_write_u32(buf_elements, |
190 |
psiconv_list_length(paragraph->in_lines)))) |
191 |
goto ERROR5; |
192 |
|
193 |
/* Generate the inlines. NB: Against what are all settings relative?!? */ |
194 |
for (j = 0; j < psiconv_list_length(paragraph->in_lines); j++) { |
195 |
nr_of_inlines ++; |
196 |
if (!(in_line = psiconv_list_get(paragraph->in_lines,j))) { |
197 |
psiconv_warn(0,psiconv_buffer_length(buf),"Massive memory corruption"); |
198 |
res = -PSICONV_E_OTHER; |
199 |
goto ERROR5; |
200 |
} |
201 |
if ((res = psiconv_write_u8(buf_inlines,0x00))) |
202 |
goto ERROR5; |
203 |
if ((res = psiconv_write_u32(buf_inlines,in_line->length))) |
204 |
goto ERROR5; |
205 |
if ((res = psiconv_write_character_layout_list(buf_inlines, |
206 |
in_line->layout, |
207 |
style->character))) |
208 |
goto ERROR5; |
209 |
} |
210 |
} else { |
211 |
/* No inline layouts, so we generate a paragraph type list */ |
212 |
para_type = 0; |
213 |
for (j = 0; j < psiconv_list_length(paragraph_type_list); j++) { |
214 |
if (!(paragraph_type = psiconv_list_get(paragraph_type_list,j))) { |
215 |
psiconv_warn(0,psiconv_buffer_length(buf),"Massive memory corruption"); |
216 |
res = -PSICONV_E_OTHER; |
217 |
goto ERROR5; |
218 |
} |
219 |
if ((paragraph->base_style == paragraph_type->style) && |
220 |
!psiconv_compare_character_layout(paragraph->base_character, |
221 |
paragraph_type->character) && |
222 |
!psiconv_compare_paragraph_layout(paragraph->base_paragraph, |
223 |
paragraph_type->paragraph)) { |
224 |
para_type = paragraph_type->nr; |
225 |
break; |
226 |
} |
227 |
} |
228 |
if (!para_type) { |
229 |
/* We need to add a new entry */ |
230 |
para_type = new_type.nr = j+1; |
231 |
/* No need to copy them, we won't change them anyway */ |
232 |
new_type.paragraph = paragraph->base_paragraph; |
233 |
new_type.character = paragraph->base_character; |
234 |
new_type.style = paragraph->base_style; |
235 |
paragraph_type = &new_type; |
236 |
if ((res = psiconv_list_add(paragraph_type_list,paragraph_type))) |
237 |
goto ERROR5; |
238 |
if ((res = psiconv_write_u32(buf_types,paragraph_type->nr))) |
239 |
goto ERROR5; |
240 |
if (!(style = psiconv_get_style(styles,paragraph_type->style))) { |
241 |
psiconv_warn(0,psiconv_buffer_length(buf),"Unknown style"); |
242 |
res = -PSICONV_E_GENERATE; |
243 |
goto ERROR5; |
244 |
} |
245 |
if ((res = psiconv_write_paragraph_layout_list(buf_types, |
246 |
paragraph_type->paragraph,style->paragraph))) |
247 |
goto ERROR5; |
248 |
if (with_styles) |
249 |
if ((res = psiconv_write_u8(buf_types,paragraph_type->style))) |
250 |
goto ERROR5; |
251 |
if ((res = psiconv_write_character_layout_list(buf_types, |
252 |
paragraph_type->character,style->character))) |
253 |
goto ERROR5; |
254 |
} |
255 |
if ((res = psiconv_write_u8(buf_elements,para_type))) |
256 |
goto ERROR5; |
257 |
} |
258 |
} |
259 |
|
260 |
/* Now append everything */ |
261 |
if ((res = psiconv_write_u16(buf,with_styles?0x0001:0x0000))) |
262 |
goto ERROR5; |
263 |
if ((res = psiconv_write_u8(buf,psiconv_list_length(paragraph_type_list)))) |
264 |
goto ERROR5; |
265 |
if ((res = psiconv_buffer_concat(buf,buf_types))) |
266 |
goto ERROR5; |
267 |
if ((res = psiconv_write_u32(buf,psiconv_list_length(value)))) |
268 |
goto ERROR5; |
269 |
if ((res = psiconv_buffer_concat(buf,buf_elements))) |
270 |
goto ERROR5; |
271 |
if ((res = psiconv_write_u32(buf,nr_of_inlines))) |
272 |
goto ERROR5; |
273 |
res = psiconv_buffer_concat(buf,buf_inlines); |
274 |
|
275 |
ERROR5: |
276 |
psiconv_buffer_free(buf_inlines); |
277 |
ERROR4: |
278 |
psiconv_buffer_free(buf_elements); |
279 |
ERROR3: |
280 |
psiconv_buffer_free(buf_types); |
281 |
ERROR2: |
282 |
psiconv_list_free(paragraph_type_list); |
283 |
ERROR1: |
284 |
return res; |
285 |
} |
286 |
|
287 |
int psiconv_write_styled_layout_section(psiconv_buffer buf, |
288 |
psiconv_text_and_layout result, |
289 |
psiconv_word_styles_section styles) |
290 |
{ |
291 |
return psiconv_write_layout_section(buf,result,styles,1); |
292 |
} |
293 |
|
294 |
int psiconv_write_styleless_layout_section(psiconv_buffer buf, |
295 |
const psiconv_text_and_layout value, |
296 |
const psiconv_character_layout base_char, |
297 |
const psiconv_paragraph_layout base_para) |
298 |
{ |
299 |
int res = 0; |
300 |
psiconv_word_styles_section styles_section; |
301 |
|
302 |
if (!(styles_section = malloc(sizeof(*styles_section)))) |
303 |
goto ERROR1; |
304 |
if (!(styles_section->normal = malloc(sizeof(*styles_section->normal)))) |
305 |
goto ERROR2; |
306 |
if (!(styles_section->normal->character = |
307 |
psiconv_clone_character_layout(base_char))) |
308 |
goto ERROR3; |
309 |
if (!(styles_section->normal->paragraph = |
310 |
psiconv_clone_paragraph_layout(base_para))) |
311 |
goto ERROR4; |
312 |
styles_section->normal->hotkey = 0; |
313 |
if (!(styles_section->normal->name = strdup(""))) |
314 |
goto ERROR5; |
315 |
if (!(styles_section->styles = psiconv_list_new(sizeof( |
316 |
struct psiconv_word_style_s)))) |
317 |
goto ERROR6; |
318 |
|
319 |
res = psiconv_write_layout_section(buf,value,styles_section,0); |
320 |
psiconv_free_word_styles_section(styles_section); |
321 |
return res; |
322 |
|
323 |
ERROR6: |
324 |
free(styles_section->normal->name); |
325 |
ERROR5: |
326 |
psiconv_free_paragraph_layout(styles_section->normal->paragraph); |
327 |
ERROR4: |
328 |
psiconv_free_character_layout(styles_section->normal->character); |
329 |
ERROR3: |
330 |
free(styles_section->normal); |
331 |
ERROR2: |
332 |
free(styles_section); |
333 |
ERROR1: |
334 |
if (!res) |
335 |
return -PSICONV_E_NOMEM; |
336 |
else |
337 |
return res; |
338 |
} |