/[public]/psiconv/trunk/lib/psiconv/parse_page.c
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Diff of /psiconv/trunk/lib/psiconv/parse_page.c

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Revision 65 Revision 111
… …
16 along with this program; if not, write to the Free Software 16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18*/ 18*/
19 19
20#include "config.h" 20#include "config.h"
21#include "compat.h"
22
21#include <stdlib.h> 23#include <stdlib.h>
22#include <string.h> 24#include <string.h>
23 25
24#include "data.h"
25#include "parse_routines.h" 26#include "parse_routines.h"
27#include "error.h"
26 28
27int psiconv_parse_page_header(const psiconv_buffer buf,int lev,psiconv_u32 off, 29int psiconv_parse_page_header(const psiconv_buffer buf,int lev,psiconv_u32 off,
28 int *length,psiconv_page_header *result) 30 int *length,psiconv_page_header *result)
29{ 31{
30 int res = 0; 32 int res = 0;
31 int len = 0; 33 int len = 0;
32 int i,leng; 34 int i,leng,has_content;
33 psiconv_u32 temp; 35 psiconv_u32 temp;
34 36
35 psiconv_progress(lev+1,off,"Going to read a page header (or footer)"); 37 psiconv_progress(lev+1,off,"Going to read a page header (or footer)");
36 if (!(*result = malloc(sizeof(**result)))) 38 if (!(*result = malloc(sizeof(**result))))
37 goto ERROR1; 39 goto ERROR1;
38 40
39 psiconv_progress(lev+2,off+len, 41 psiconv_progress(lev+2,off+len,
40 "Going to read the first byte (0x01 expected)"); 42 "Going to read the has_content flag");
41 temp = psiconv_read_u8(buf,lev+2,off+len,&res); 43 temp = psiconv_read_u8(buf,lev+2,off+len,&res);
42 if (res) 44 if (res)
43 goto ERROR2; 45 goto ERROR2;
44 if (temp != 0x01) { 46 if (temp == 0x00)
45 psiconv_warn(lev+2,off+len,"Page header first byte mismatch"); 47 has_content = 0;
46 psiconv_debug(lev+2,off+len,"First byte: read %02x, expected %02x", 48 else if (temp == 0x01)
47 temp,0x01); 49 has_content = 1;
50 else {
51 psiconv_warn(lev+2,off+len,
52 "Page header has_content flag unknown value (assumed default)");
53 psiconv_debug(lev+2,off+len,"Flag: %02x",temp);
54 has_content = 1;
48 } 55 }
56 psiconv_debug(lev+2,off+len,"Has_content flag: %02x",has_content);
49 len += 1; 57 len += 1;
50 58
51 psiconv_progress(lev+2,off+len,"Going to read displayed-on-first-page flag"); 59 psiconv_progress(lev+2,off+len,"Going to read displayed-on-first-page flag");
52 if ((res = psiconv_parse_bool(buf,lev+2,off+len,&leng, 60 if ((res = psiconv_parse_bool(buf,lev+2,off+len,&leng,
53 &(*result)->on_first_page))) 61 &(*result)->on_first_page)))
… …
68 } 76 }
69 77
70 psiconv_progress(lev+2,off+len,"Going to read base paragraph layout"); 78 psiconv_progress(lev+2,off+len,"Going to read base paragraph layout");
71 if (!((*result)->base_paragraph_layout = psiconv_basic_paragraph_layout())) 79 if (!((*result)->base_paragraph_layout = psiconv_basic_paragraph_layout()))
72 goto ERROR2; 80 goto ERROR2;
81
82 if (has_content) {
73 if ((res = psiconv_parse_paragraph_layout_list(buf,lev+2,off+len,&leng, 83 if ((res = psiconv_parse_paragraph_layout_list(buf,lev+2,off+len,&leng,
74 (*result)->base_paragraph_layout))) 84 (*result)->base_paragraph_layout)))
75 goto ERROR3; 85 goto ERROR3;
76 len += leng; 86 len += leng;
87 }
77 88
78 psiconv_progress(lev+2,off+len,"Going to read base character layout"); 89 psiconv_progress(lev+2,off+len,"Going to read base character layout");
79 if (!((*result)->base_character_layout = psiconv_basic_character_layout())) 90 if (!((*result)->base_character_layout = psiconv_basic_character_layout()))
80 goto ERROR3; 91 goto ERROR3;
92 if (has_content) {
81 if ((res = psiconv_parse_character_layout_list(buf,lev+2,off+len,&leng, 93 if ((res = psiconv_parse_character_layout_list(buf,lev+2,off+len,&leng,
82 (*result)->base_character_layout))) 94 (*result)->base_character_layout)))
83 goto ERROR4; 95 goto ERROR4;
96 }
84 len += leng; 97 len += leng;
85 98
86 99
87 psiconv_progress(lev+2,off+len,"Going to read the TextEd section"); 100 psiconv_progress(lev+2,off+len,"Going to read the TextEd section");
101 if (has_content) {
88 if ((res = psiconv_parse_texted_section(buf,lev+2,off+len,&leng, 102 if ((res = psiconv_parse_texted_section(buf,lev+2,off+len,&leng,
89 &(*result)->text, 103 &(*result)->text,
90 (*result)->base_character_layout, 104 (*result)->base_character_layout,
91 (*result)->base_paragraph_layout))) 105 (*result)->base_paragraph_layout)))
92 goto ERROR4; 106 goto ERROR4;
93 len += leng; 107 len += leng;
108 }
94 109
95 if (length) 110 if (length)
96 *length = len; 111 *length = len;
97 112
98 psiconv_progress(lev+1,off+len-1,"End of page header" 113 psiconv_progress(lev+1,off+len-1,"End of page header"
… …
192 207
193 psiconv_progress(lev+2,off+len,"Going to read page dimensions id"); 208 psiconv_progress(lev+2,off+len,"Going to read page dimensions id");
194 temp = psiconv_read_u32(buf,lev+2,off+len,&res); 209 temp = psiconv_read_u32(buf,lev+2,off+len,&res);
195 if (res) 210 if (res)
196 goto ERROR4; 211 goto ERROR4;
197 if (temp != PSICONV_ID_PAGE_DIMENSIONS) { 212 if ((temp != PSICONV_ID_PAGE_DIMENSIONS1) &&
213 (temp != PSICONV_ID_PAGE_DIMENSIONS2)) {
198 psiconv_warn(lev+2,off+len, 214 psiconv_warn(lev+2,off+len,
199 "Page layout section page dimensions marker not found"); 215 "Page layout section page dimensions marker not found");
200 psiconv_debug(lev+2,off+len, 216 psiconv_debug(lev+2,off+len,
201 "Page dimensions marker: read %08x, expected %08x",temp, 217 "Page dimensions marker: read %08x, expected %08x or %08x",
218 temp, PSICONV_ID_PAGE_DIMENSIONS1,
202 PSICONV_ID_PAGE_DIMENSIONS); 219 PSICONV_ID_PAGE_DIMENSIONS2);
203 } 220 }
204 len += 4; 221 len += 4;
205 222
206 psiconv_progress(lev+2,off+len,"Going to read the page width"); 223 psiconv_progress(lev+2,off+len,"Going to read the page width");
207 (*result)->page_width = psiconv_read_length(buf,lev+2,off+len,&leng,&res); 224 (*result)->page_width = psiconv_read_length(buf,lev+2,off+len,&leng,&res);
… …
214 (*result)->page_height = psiconv_read_length(buf,lev+2,off+len,&leng,&res); 231 (*result)->page_height = psiconv_read_length(buf,lev+2,off+len,&leng,&res);
215 if (res) 232 if (res)
216 goto ERROR4; 233 goto ERROR4;
217 psiconv_debug(lev+2,off+len,"Page height: %6.3f",(*result)->page_height); 234 psiconv_debug(lev+2,off+len,"Page height: %6.3f",(*result)->page_height);
218 len += leng; 235 len += leng;
236
237 psiconv_progress(lev+2,off+len,"Going to read page portrait/landscape");
238 if ((res = psiconv_parse_bool(buf,lev+2,off+len,&leng,&(*result)->landscape)))
239 goto ERROR4;
240 psiconv_debug(lev+2,off+len,"Landscape: %d",(*result)->landscape);
241 len += leng;
242
219 243
220 if (length) 244 if (length)
221 *length = len; 245 *length = len;
222 246
223 psiconv_progress(lev,off+len-1,"End of page section (total length: %08x)", 247 psiconv_progress(lev,off+len-1,"End of page section (total length: %08x)",
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