1 |
frodo |
73 |
/* |
2 |
|
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generate_common.c - Part of psiconv, a PSION 5 file formats converter |
3 |
|
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Copyright (c) 2000 Frodo Looijaard <frodol@dds.nl> |
4 |
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5 |
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This program is free software; you can redistribute it and/or modify |
6 |
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it under the terms of the GNU General Public License as published by |
7 |
|
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the Free Software Foundation; either version 2 of the License, or |
8 |
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(at your option) any later version. |
9 |
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|
10 |
|
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This program is distributed in the hope that it will be useful, |
11 |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 |
|
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
13 |
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GNU General Public License for more details. |
14 |
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|
15 |
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You should have received a copy of the GNU General Public License |
16 |
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along with this program; if not, write to the Free Software |
17 |
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
18 |
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*/ |
19 |
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|
20 |
|
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#include "config.h" |
21 |
|
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#include "compat.h" |
22 |
|
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#include <stdlib.h> |
23 |
|
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#include <string.h> |
24 |
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|
25 |
|
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#include "generate_routines.h" |
26 |
|
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#include "error.h" |
27 |
|
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|
28 |
frodo |
79 |
static int psiconv_write_layout_section(psiconv_buffer buf, |
29 |
|
|
const psiconv_text_and_layout value, |
30 |
|
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const psiconv_word_styles_section styles, |
31 |
|
|
int with_styles); |
32 |
frodo |
73 |
|
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 |
|
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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 |
|
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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 |
|
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if (!value) { |
54 |
frodo |
79 |
psiconv_warn(0,psiconv_buffer_length(buf),"Null section table section"); |
55 |
frodo |
73 |
return -PSICONV_E_GENERATE; |
56 |
|
|
} |
57 |
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|
58 |
frodo |
76 |
if ((res = psiconv_write_u8(buf,2 * psiconv_list_length(value)))) |
59 |
|
|
return res; |
60 |
frodo |
73 |
for (i = 0; i < psiconv_list_length(value); i++) { |
61 |
|
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if (!(entry = psiconv_list_get(value,i))) { |
62 |
frodo |
79 |
psiconv_warn(0,psiconv_buffer_length(buf),"Massive memory corruption"); |
63 |
frodo |
76 |
return -PSICONV_E_NOMEM; |
64 |
frodo |
73 |
} |
65 |
|
|
if ((res = psiconv_write_u32(buf,entry->id))) |
66 |
frodo |
76 |
return res; |
67 |
frodo |
80 |
if ((res = psiconv_write_offset(buf,entry->offset))) |
68 |
frodo |
76 |
return res; |
69 |
frodo |
73 |
} |
70 |
frodo |
76 |
return -PSICONV_E_OK; |
71 |
frodo |
73 |
} |
72 |
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|
73 |
|
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int psiconv_write_application_id_section(psiconv_buffer buf,psiconv_u32 id, |
74 |
|
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const psiconv_string_t text) |
75 |
|
|
{ |
76 |
|
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int res; |
77 |
|
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if ((res = psiconv_write_u32(buf,id))) |
78 |
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return res; |
79 |
|
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return psiconv_write_string(buf,text); |
80 |
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} |
81 |
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|
82 |
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int psiconv_write_text_section(psiconv_buffer buf, |
83 |
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const psiconv_text_and_layout value) |
84 |
|
|
{ |
85 |
|
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int res; |
86 |
|
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psiconv_buffer extra_buf; |
87 |
|
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int i,j; |
88 |
|
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psiconv_paragraph paragraph; |
89 |
|
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|
90 |
|
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if (!value) { |
91 |
frodo |
79 |
psiconv_warn(0,psiconv_buffer_length(buf),"Null text section"); |
92 |
frodo |
73 |
return -PSICONV_E_GENERATE; |
93 |
|
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} |
94 |
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|
95 |
frodo |
88 |
if (psiconv_list_length(value)) { |
96 |
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if (!(extra_buf = psiconv_buffer_new())) |
97 |
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return -PSICONV_E_NOMEM; |
98 |
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for (i = 0; i < psiconv_list_length(value); i++) { |
99 |
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if (!(paragraph = psiconv_list_get(value,i))) { |
100 |
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psiconv_warn(0,psiconv_buffer_length(buf),"Massive memory corruption"); |
101 |
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res = -PSICONV_E_OTHER; |
102 |
|
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goto ERROR; |
103 |
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|
} |
104 |
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for (j = 0; j < strlen(paragraph->text); j++) |
105 |
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if ((res = psiconv_write_u8(extra_buf,paragraph->text[j]))) |
106 |
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|
goto ERROR; |
107 |
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psiconv_write_u8(extra_buf,0x06); |
108 |
|
|
} |
109 |
|
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if ((res = psiconv_write_X(buf,psiconv_buffer_length(extra_buf)))) |
110 |
frodo |
73 |
goto ERROR; |
111 |
frodo |
88 |
res = psiconv_buffer_concat(buf,extra_buf); |
112 |
|
|
} else |
113 |
|
|
/* Hack: empty text sections are just not allowed */ |
114 |
|
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return psiconv_write_u16(buf,0x0602); |
115 |
frodo |
73 |
|
116 |
|
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ERROR: |
117 |
frodo |
79 |
psiconv_buffer_free(extra_buf); |
118 |
frodo |
75 |
return res; |
119 |
frodo |
73 |
} |
120 |
frodo |
79 |
|
121 |
|
|
int psiconv_write_layout_section(psiconv_buffer buf, |
122 |
|
|
const psiconv_text_and_layout value, |
123 |
|
|
const psiconv_word_styles_section styles, |
124 |
|
|
int with_styles) |
125 |
|
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{ |
126 |
|
|
typedef struct psiconv_paragraph_type_list_s |
127 |
|
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{ |
128 |
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psiconv_character_layout character; |
129 |
|
|
psiconv_paragraph_layout paragraph; |
130 |
|
|
psiconv_u8 style; |
131 |
|
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psiconv_u8 nr; |
132 |
|
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} *psiconv_paragraph_type_list; |
133 |
|
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psiconv_list paragraph_type_list; /* Of psiconv_paragraph_type_list_s */ |
134 |
|
|
psiconv_paragraph_type_list paragraph_type; |
135 |
|
|
struct psiconv_paragraph_type_list_s new_type; |
136 |
|
|
psiconv_buffer buf_types,buf_elements,buf_inlines; |
137 |
|
|
psiconv_paragraph paragraph; |
138 |
|
|
psiconv_in_line_layout in_line; |
139 |
|
|
psiconv_word_style style; |
140 |
frodo |
89 |
psiconv_character_layout para_charlayout; |
141 |
|
|
int i,j,para_type,nr_of_inlines=0,res,ptl_length,pel_length,thislen,paralen; |
142 |
frodo |
79 |
|
143 |
|
|
if (!value) { |
144 |
|
|
psiconv_warn(0,psiconv_buffer_length(buf),"Null text section"); |
145 |
|
|
return -PSICONV_E_GENERATE; |
146 |
|
|
} |
147 |
|
|
|
148 |
|
|
if (!(paragraph_type_list = psiconv_list_new(sizeof(new_type)))) { |
149 |
|
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res = -PSICONV_E_NOMEM; |
150 |
|
|
goto ERROR1; |
151 |
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|
} |
152 |
|
|
|
153 |
frodo |
80 |
if (!(buf_types = psiconv_buffer_new())) { |
154 |
frodo |
79 |
res = -PSICONV_E_NOMEM; |
155 |
|
|
goto ERROR2; |
156 |
|
|
} |
157 |
|
|
|
158 |
frodo |
80 |
if (!(buf_elements = psiconv_buffer_new())) { |
159 |
frodo |
79 |
res = -PSICONV_E_NOMEM; |
160 |
|
|
goto ERROR3; |
161 |
|
|
} |
162 |
|
|
|
163 |
frodo |
80 |
if (!(buf_inlines = psiconv_buffer_new())) { |
164 |
frodo |
79 |
res = -PSICONV_E_NOMEM; |
165 |
|
|
goto ERROR4; |
166 |
|
|
} |
167 |
|
|
|
168 |
|
|
for (i = 0; i < psiconv_list_length(value); i++) { |
169 |
|
|
if (!(paragraph = psiconv_list_get(value,i))) { |
170 |
|
|
psiconv_warn(0,psiconv_buffer_length(buf),"Massive memory corruption"); |
171 |
|
|
res = -PSICONV_E_OTHER; |
172 |
|
|
goto ERROR5; |
173 |
|
|
} |
174 |
|
|
if ((res = psiconv_write_u32(buf_elements,strlen(paragraph->text)+1))) |
175 |
|
|
goto ERROR5; |
176 |
|
|
|
177 |
frodo |
89 |
if (psiconv_list_length(paragraph->in_lines) > 1) { |
178 |
frodo |
79 |
/* Inline layouts, so we generate a paragraph element and inline |
179 |
|
|
elements */ |
180 |
frodo |
80 |
if ((res = psiconv_write_u8(buf_elements,0x00))) |
181 |
frodo |
79 |
goto ERROR5; |
182 |
|
|
if (!(style = psiconv_get_style(styles,paragraph->base_style))) { |
183 |
|
|
psiconv_warn(0,psiconv_buffer_length(buf),"Unknown style"); |
184 |
|
|
res = -PSICONV_E_GENERATE; |
185 |
|
|
goto ERROR5; |
186 |
|
|
} |
187 |
|
|
if ((res = psiconv_write_paragraph_layout_list(buf_elements, |
188 |
|
|
paragraph->base_paragraph, |
189 |
|
|
style->paragraph))) |
190 |
|
|
goto ERROR5; |
191 |
|
|
if (with_styles) |
192 |
|
|
if ((res = psiconv_write_u8(buf_elements,paragraph->base_style))) |
193 |
|
|
goto ERROR5; |
194 |
|
|
if ((res = psiconv_write_u32(buf_elements, |
195 |
|
|
psiconv_list_length(paragraph->in_lines)))) |
196 |
|
|
goto ERROR5; |
197 |
|
|
|
198 |
|
|
/* Generate the inlines. NB: Against what are all settings relative?!? */ |
199 |
frodo |
89 |
paralen = 0; |
200 |
frodo |
79 |
for (j = 0; j < psiconv_list_length(paragraph->in_lines); j++) { |
201 |
|
|
nr_of_inlines ++; |
202 |
|
|
if (!(in_line = psiconv_list_get(paragraph->in_lines,j))) { |
203 |
frodo |
89 |
psiconv_warn(0,psiconv_buffer_length(buf), |
204 |
|
|
"Massive memory corruption"); |
205 |
frodo |
79 |
res = -PSICONV_E_OTHER; |
206 |
|
|
goto ERROR5; |
207 |
|
|
} |
208 |
|
|
if ((res = psiconv_write_u8(buf_inlines,0x00))) |
209 |
|
|
goto ERROR5; |
210 |
frodo |
89 |
thislen = in_line->length; |
211 |
|
|
paralen += thislen; |
212 |
|
|
/* If this is the last in_line, we need to make sure that the |
213 |
|
|
complete length of all inlines equals the text length */ |
214 |
|
|
if (j == psiconv_list_length(paragraph->in_lines)-1) { |
215 |
|
|
if (paralen > strlen(paragraph->text)+1) { |
216 |
|
|
res = -PSICONV_E_GENERATE; |
217 |
|
|
goto ERROR5; |
218 |
|
|
} |
219 |
|
|
thislen += strlen(paragraph->text)+1-paralen; |
220 |
|
|
} |
221 |
|
|
if ((res = psiconv_write_u32(buf_inlines,thislen))) |
222 |
frodo |
79 |
goto ERROR5; |
223 |
frodo |
80 |
if ((res = psiconv_write_character_layout_list(buf_inlines, |
224 |
frodo |
79 |
in_line->layout, |
225 |
|
|
style->character))) |
226 |
|
|
goto ERROR5; |
227 |
|
|
} |
228 |
|
|
} else { |
229 |
frodo |
89 |
/* No inline layouts (or only 1), so we generate a paragraph type list */ |
230 |
frodo |
79 |
para_type = 0; |
231 |
frodo |
89 |
/* Set para_charlayout to the correct character-level layout */ |
232 |
|
|
if (psiconv_list_length(paragraph->in_lines) == 0) |
233 |
|
|
para_charlayout = paragraph->base_character; |
234 |
|
|
else { |
235 |
|
|
if (!(in_line = psiconv_list_get(paragraph->in_lines,0))) { |
236 |
|
|
psiconv_warn(0,psiconv_buffer_length(buf), |
237 |
|
|
"Massive memory corruption"); |
238 |
|
|
res = -PSICONV_E_OTHER; |
239 |
|
|
goto ERROR5; |
240 |
|
|
} |
241 |
|
|
para_charlayout = in_line->layout; |
242 |
|
|
} |
243 |
frodo |
79 |
for (j = 0; j < psiconv_list_length(paragraph_type_list); j++) { |
244 |
|
|
if (!(paragraph_type = psiconv_list_get(paragraph_type_list,j))) { |
245 |
frodo |
89 |
psiconv_warn(0,psiconv_buffer_length(buf), |
246 |
|
|
"Massive memory corruption"); |
247 |
frodo |
79 |
res = -PSICONV_E_OTHER; |
248 |
|
|
goto ERROR5; |
249 |
|
|
} |
250 |
|
|
if ((paragraph->base_style == paragraph_type->style) && |
251 |
frodo |
89 |
!psiconv_compare_character_layout(para_charlayout, |
252 |
frodo |
79 |
paragraph_type->character) && |
253 |
|
|
!psiconv_compare_paragraph_layout(paragraph->base_paragraph, |
254 |
|
|
paragraph_type->paragraph)) { |
255 |
|
|
para_type = paragraph_type->nr; |
256 |
|
|
break; |
257 |
|
|
} |
258 |
|
|
} |
259 |
|
|
if (!para_type) { |
260 |
|
|
/* We need to add a new entry */ |
261 |
|
|
para_type = new_type.nr = j+1; |
262 |
|
|
/* No need to copy them, we won't change them anyway */ |
263 |
|
|
new_type.paragraph = paragraph->base_paragraph; |
264 |
frodo |
89 |
new_type.character = para_charlayout; |
265 |
frodo |
79 |
new_type.style = paragraph->base_style; |
266 |
|
|
paragraph_type = &new_type; |
267 |
|
|
if ((res = psiconv_list_add(paragraph_type_list,paragraph_type))) |
268 |
|
|
goto ERROR5; |
269 |
|
|
if ((res = psiconv_write_u32(buf_types,paragraph_type->nr))) |
270 |
|
|
goto ERROR5; |
271 |
|
|
if (!(style = psiconv_get_style(styles,paragraph_type->style))) { |
272 |
|
|
psiconv_warn(0,psiconv_buffer_length(buf),"Unknown style"); |
273 |
|
|
res = -PSICONV_E_GENERATE; |
274 |
|
|
goto ERROR5; |
275 |
|
|
} |
276 |
|
|
if ((res = psiconv_write_paragraph_layout_list(buf_types, |
277 |
|
|
paragraph_type->paragraph,style->paragraph))) |
278 |
|
|
goto ERROR5; |
279 |
|
|
if (with_styles) |
280 |
|
|
if ((res = psiconv_write_u8(buf_types,paragraph_type->style))) |
281 |
|
|
goto ERROR5; |
282 |
|
|
if ((res = psiconv_write_character_layout_list(buf_types, |
283 |
|
|
paragraph_type->character,style->character))) |
284 |
|
|
goto ERROR5; |
285 |
|
|
} |
286 |
|
|
if ((res = psiconv_write_u8(buf_elements,para_type))) |
287 |
|
|
goto ERROR5; |
288 |
|
|
} |
289 |
|
|
} |
290 |
|
|
|
291 |
frodo |
88 |
/* HACK: special case: no paragraphs at all. We need to improvize. */ |
292 |
|
|
if (!psiconv_list_length(value)) { |
293 |
|
|
if ((res = psiconv_write_u32(buf_types,1))) |
294 |
|
|
goto ERROR5; |
295 |
|
|
if ((res = psiconv_write_u32(buf_types,0))) |
296 |
|
|
goto ERROR5; |
297 |
|
|
if (with_styles) |
298 |
|
|
if ((res = psiconv_write_u8(buf_types,0))) |
299 |
|
|
goto ERROR5; |
300 |
|
|
if ((res = psiconv_write_u32(buf_types,0))) |
301 |
|
|
goto ERROR5; |
302 |
|
|
|
303 |
|
|
if ((res = psiconv_write_u32(buf_elements,1))) |
304 |
|
|
goto ERROR5; |
305 |
|
|
if ((res = psiconv_write_u8(buf_elements,1))) |
306 |
|
|
goto ERROR5; |
307 |
|
|
pel_length = 1; |
308 |
|
|
ptl_length = 1; |
309 |
|
|
} else { |
310 |
|
|
pel_length = psiconv_list_length(value); |
311 |
|
|
ptl_length = psiconv_list_length(paragraph_type_list); |
312 |
|
|
} |
313 |
|
|
|
314 |
frodo |
79 |
/* Now append everything */ |
315 |
frodo |
80 |
if ((res = psiconv_write_u16(buf,with_styles?0x0001:0x0000))) |
316 |
frodo |
79 |
goto ERROR5; |
317 |
frodo |
88 |
if ((res = psiconv_write_u8(buf, ptl_length))) |
318 |
frodo |
79 |
goto ERROR5; |
319 |
|
|
if ((res = psiconv_buffer_concat(buf,buf_types))) |
320 |
|
|
goto ERROR5; |
321 |
frodo |
88 |
if ((res = psiconv_write_u32(buf,pel_length))) |
322 |
frodo |
79 |
goto ERROR5; |
323 |
|
|
if ((res = psiconv_buffer_concat(buf,buf_elements))) |
324 |
|
|
goto ERROR5; |
325 |
|
|
if ((res = psiconv_write_u32(buf,nr_of_inlines))) |
326 |
|
|
goto ERROR5; |
327 |
|
|
res = psiconv_buffer_concat(buf,buf_inlines); |
328 |
|
|
|
329 |
|
|
ERROR5: |
330 |
|
|
psiconv_buffer_free(buf_inlines); |
331 |
|
|
ERROR4: |
332 |
|
|
psiconv_buffer_free(buf_elements); |
333 |
|
|
ERROR3: |
334 |
|
|
psiconv_buffer_free(buf_types); |
335 |
|
|
ERROR2: |
336 |
|
|
psiconv_list_free(paragraph_type_list); |
337 |
|
|
ERROR1: |
338 |
|
|
return res; |
339 |
|
|
} |
340 |
|
|
|
341 |
|
|
int psiconv_write_styled_layout_section(psiconv_buffer buf, |
342 |
|
|
psiconv_text_and_layout result, |
343 |
|
|
psiconv_word_styles_section styles) |
344 |
|
|
{ |
345 |
|
|
return psiconv_write_layout_section(buf,result,styles,1); |
346 |
|
|
} |
347 |
|
|
|
348 |
|
|
int psiconv_write_styleless_layout_section(psiconv_buffer buf, |
349 |
|
|
const psiconv_text_and_layout value, |
350 |
|
|
const psiconv_character_layout base_char, |
351 |
|
|
const psiconv_paragraph_layout base_para) |
352 |
|
|
{ |
353 |
|
|
int res = 0; |
354 |
|
|
psiconv_word_styles_section styles_section; |
355 |
|
|
|
356 |
|
|
if (!(styles_section = malloc(sizeof(*styles_section)))) |
357 |
|
|
goto ERROR1; |
358 |
|
|
if (!(styles_section->normal = malloc(sizeof(*styles_section->normal)))) |
359 |
|
|
goto ERROR2; |
360 |
|
|
if (!(styles_section->normal->character = |
361 |
|
|
psiconv_clone_character_layout(base_char))) |
362 |
|
|
goto ERROR3; |
363 |
|
|
if (!(styles_section->normal->paragraph = |
364 |
|
|
psiconv_clone_paragraph_layout(base_para))) |
365 |
|
|
goto ERROR4; |
366 |
|
|
styles_section->normal->hotkey = 0; |
367 |
|
|
if (!(styles_section->normal->name = strdup(""))) |
368 |
|
|
goto ERROR5; |
369 |
|
|
if (!(styles_section->styles = psiconv_list_new(sizeof( |
370 |
|
|
struct psiconv_word_style_s)))) |
371 |
|
|
goto ERROR6; |
372 |
|
|
|
373 |
|
|
res = psiconv_write_layout_section(buf,value,styles_section,0); |
374 |
|
|
psiconv_free_word_styles_section(styles_section); |
375 |
|
|
return res; |
376 |
|
|
|
377 |
|
|
ERROR6: |
378 |
|
|
free(styles_section->normal->name); |
379 |
|
|
ERROR5: |
380 |
|
|
psiconv_free_paragraph_layout(styles_section->normal->paragraph); |
381 |
|
|
ERROR4: |
382 |
|
|
psiconv_free_character_layout(styles_section->normal->character); |
383 |
|
|
ERROR3: |
384 |
|
|
free(styles_section->normal); |
385 |
|
|
ERROR2: |
386 |
|
|
free(styles_section); |
387 |
|
|
ERROR1: |
388 |
|
|
if (!res) |
389 |
|
|
return -PSICONV_E_NOMEM; |
390 |
|
|
else |
391 |
|
|
return res; |
392 |
|
|
} |