lib/psiconv/parse_texted.c

/*
    parse_texted.c - Part of psiconv, a PSION 5 file formats converter
    Copyright (c) 1999  Frodo Looijaard <frodol@dds.nl>

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#include "config.h"
#include <stdlib.h>

#include "data.h"
#include "parse_routines.h"

int psiconv_parse_texted_section(const psiconv_buffer buf,int lev,
                                 psiconv_u32 off, int *length,
                                 psiconv_texted_section *result,
                                 psiconv_character_layout base_char,
                                 psiconv_paragraph_layout base_para)
{
  int res = 0;
  int len = 0;
  psiconv_u32 layout_sec = 0;
  psiconv_u32 unknown_sec = 0;
  psiconv_u32 replacement_sec = 0;
  psiconv_u32 temp;
  int leng;

  psiconv_progress(lev+1,off,"Going to read a texted section");
  (*result) = malloc(sizeof(**result));

  psiconv_progress(lev+2,off+len,"Going to read section id");
  temp = psiconv_read_u32(buf,lev+2,off+len);
  if (temp != PSICONV_ID_TEXTED_BODY) {
    psiconv_warn(lev+2,off+len,
                 "Page header section body id not found");
    psiconv_debug(lev+2,off+len,
                  "Page body id: read %08x, expected %08x",temp,
                  PSICONV_ID_TEXTED);
    res = -1;
  }
  len += 4;

  psiconv_progress(lev+2,off+len,"Going to read the section jumptable");
  while (temp = psiconv_read_u32(buf,lev+3,off+len), 
         temp != PSICONV_ID_TEXTED_TEXT) {
    len += 4;
    if (temp == PSICONV_ID_TEXTED_LAYOUT) {
      layout_sec = psiconv_read_u32(buf,lev+3,off+len);
      psiconv_debug(lev+3,off+len,"Found Layout section at %08x",layout_sec);
    } else if (temp == PSICONV_ID_TEXTED_REPLACEMENT) {
      replacement_sec = psiconv_read_u32(buf,lev+3,off+len);
      psiconv_debug(lev+3,off+len,"Found Replacement section at %08x",
                    replacement_sec);
    } else if (temp == PSICONV_ID_TEXTED_UNKNOWN) {
      unknown_sec= psiconv_read_u32(buf,lev+3,off+len);
      if (unknown_sec) {
        psiconv_warn(lev+3,off+len,
                     "Unknown section in TextEd jumptable has real offset");
        res = -1;
      }
      psiconv_debug(lev+3,off+len,"Found Unknown section at %08x",
                    unknown_sec);
    } else {
      psiconv_warn(lev+3,off+len,"Unknown section in TextEd jumptable");
      psiconv_debug(lev+3,off+len,"Section ID %08x at offset %08x",temp,
                    psiconv_read_u32(buf,lev+3,off+len));
      res = -1;
    }
    len += 4;
  }
  
  len += 4;
  psiconv_progress(lev+2,off+len,"Going to read the text");
  psiconv_parse_text_section(buf,lev+2,off+len,&leng,&(*result)->paragraphs);
  len += leng;
  
  if (layout_sec) {
    psiconv_progress(lev+2,off+len,"Going to read the layout");
    psiconv_parse_styleless_layout_section(buf,lev+2,layout_sec,NULL,
                                           (*result)->paragraphs,
                                           base_char,base_para);
  }

#if 0
  if (replacement_sec) {
    psiconv_progress(lev+2,off+len,"Going to read the replacements");
    /* WHATEVER */
   }
#endif
    
  if (length)
    *length = len;

  psiconv_progress(lev+1,off+len-1,"End of TextEd section "
                   "(total length: %08x", len);

  return res;
}


1	/*
2	parse_texted.c - Part of psiconv, a PSION 5 file formats converter
3	Copyright (c) 1999 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 <stdlib.h>
22
23	#include "data.h"
24	#include "parse_routines.h"
25
26	int psiconv_parse_texted_section(const psiconv_buffer buf,int lev,
27	psiconv_u32 off, int *length,
28	psiconv_texted_section *result,
29	psiconv_character_layout base_char,
30	psiconv_paragraph_layout base_para)
31	{
32	int res = 0;
33	int len = 0;
34	psiconv_u32 layout_sec = 0;
35	psiconv_u32 unknown_sec = 0;
36	psiconv_u32 replacement_sec = 0;
37	psiconv_u32 temp;
38	int leng;
39
40	psiconv_progress(lev+1,off,"Going to read a texted section");
41	(result) = malloc(sizeof(*result));
42
43	psiconv_progress(lev+2,off+len,"Going to read section id");
44	temp = psiconv_read_u32(buf,lev+2,off+len);
45	if (temp != PSICONV_ID_TEXTED_BODY) {
46	psiconv_warn(lev+2,off+len,
47	"Page header section body id not found");
48	psiconv_debug(lev+2,off+len,
49	"Page body id: read %08x, expected %08x",temp,
50	PSICONV_ID_TEXTED);
51	res = -1;
52	}
53	len += 4;
54
55	psiconv_progress(lev+2,off+len,"Going to read the section jumptable");
56	while (temp = psiconv_read_u32(buf,lev+3,off+len),
57	temp != PSICONV_ID_TEXTED_TEXT) {
58	len += 4;
59	if (temp == PSICONV_ID_TEXTED_LAYOUT) {
60	layout_sec = psiconv_read_u32(buf,lev+3,off+len);
61	psiconv_debug(lev+3,off+len,"Found Layout section at %08x",layout_sec);
62	} else if (temp == PSICONV_ID_TEXTED_REPLACEMENT) {
63	replacement_sec = psiconv_read_u32(buf,lev+3,off+len);
64	psiconv_debug(lev+3,off+len,"Found Replacement section at %08x",
65	replacement_sec);
66	} else if (temp == PSICONV_ID_TEXTED_UNKNOWN) {
67	unknown_sec= psiconv_read_u32(buf,lev+3,off+len);
68	if (unknown_sec) {
69	psiconv_warn(lev+3,off+len,
70	"Unknown section in TextEd jumptable has real offset");
71	res = -1;
72	}
73	psiconv_debug(lev+3,off+len,"Found Unknown section at %08x",
74	unknown_sec);
75	} else {
76	psiconv_warn(lev+3,off+len,"Unknown section in TextEd jumptable");
77	psiconv_debug(lev+3,off+len,"Section ID %08x at offset %08x",temp,
78	psiconv_read_u32(buf,lev+3,off+len));
79	res = -1;
80	}
81	len += 4;
82	}
83
84	len += 4;
85	psiconv_progress(lev+2,off+len,"Going to read the text");
86	psiconv_parse_text_section(buf,lev+2,off+len,&leng,&(*result)->paragraphs);
87	len += leng;
88
89	if (layout_sec) {
90	psiconv_progress(lev+2,off+len,"Going to read the layout");
91	psiconv_parse_styleless_layout_section(buf,lev+2,layout_sec,NULL,
92	(*result)->paragraphs,
93	base_char,base_para);
94	}
95
96	#if 0
97	if (replacement_sec) {
98	psiconv_progress(lev+2,off+len,"Going to read the replacements");
99	/* WHATEVER */
100	}
101	#endif
102
103	if (length)
104	*length = len;
105
106	psiconv_progress(lev+1,off+len-1,"End of TextEd section "
107	"(total length: %08x", len);
108
109	return res;
110	}
111
112
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