1 | /* |
1 | /* |
2 | parse_texted.c - Part of psiconv, a PSION 5 file formats converter |
2 | parse_texted.c - Part of psiconv, a PSION 5 file formats converter |
3 | Copyright (c) 1999 Frodo Looijaard <frodol@dds.nl> |
3 | Copyright (c) 1999-2004 Frodo Looijaard <frodol@dds.nl> |
4 | |
4 | |
5 | This program is free software; you can redistribute it and/or modify |
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 |
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 |
7 | the Free Software Foundation; either version 2 of the License, or |
8 | (at your option) any later version. |
8 | (at your option) any later version. |
… | |
… | |
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" |
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21 | #include "compat.h" |
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22 | |
21 | #include <stdlib.h> |
23 | #include <stdlib.h> |
22 | |
24 | |
23 | #include "data.h" |
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24 | #include "parse_routines.h" |
25 | #include "parse_routines.h" |
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26 | #include "error.h" |
25 | |
27 | |
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28 | #ifdef DMALLOC |
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29 | #include <dmalloc.h> |
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30 | #endif |
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31 | |
26 | int psiconv_parse_texted_section(const psiconv_buffer buf,int lev, |
32 | int psiconv_parse_texted_section(const psiconv_config config, |
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33 | const psiconv_buffer buf,int lev, |
27 | psiconv_u32 off, int *length, |
34 | psiconv_u32 off, int *length, |
28 | psiconv_texted_section *result, |
35 | psiconv_texted_section *result, |
29 | psiconv_character_layout base_char, |
36 | psiconv_character_layout base_char, |
30 | psiconv_paragraph_layout base_para) |
37 | psiconv_paragraph_layout base_para) |
31 | { |
38 | { |
… | |
… | |
35 | psiconv_u32 unknown_sec = 0; |
42 | psiconv_u32 unknown_sec = 0; |
36 | psiconv_u32 replacement_sec = 0; |
43 | psiconv_u32 replacement_sec = 0; |
37 | psiconv_u32 temp; |
44 | psiconv_u32 temp; |
38 | int leng; |
45 | int leng; |
39 | |
46 | |
40 | psiconv_progress(lev+1,off,"Going to read a texted section"); |
47 | psiconv_progress(config,lev+1,off,"Going to read a texted section"); |
41 | (*result) = malloc(sizeof(**result)); |
48 | if (!((*result) = malloc(sizeof(**result)))) |
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49 | goto ERROR1; |
42 | |
50 | |
43 | psiconv_progress(lev+2,off+len,"Going to read section id"); |
51 | psiconv_progress(config,lev+2,off+len,"Going to read section id"); |
44 | temp = psiconv_read_u32(buf,lev+2,off+len); |
52 | temp = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
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53 | if (res) |
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54 | goto ERROR2; |
45 | if (temp != PSICONV_ID_TEXTED_BODY) { |
55 | if (temp != PSICONV_ID_TEXTED_BODY) { |
46 | psiconv_warn(lev+2,off+len, |
56 | psiconv_error(config,lev+2,off+len, |
47 | "Page header section body id not found"); |
57 | "Page header section body id not found"); |
48 | psiconv_debug(lev+2,off+len, |
58 | psiconv_debug(config,lev+2,off+len, |
49 | "Page body id: read %08x, expected %08x",temp, |
59 | "Page body id: read %08x, expected %08x",temp, |
50 | PSICONV_ID_TEXTED); |
60 | PSICONV_ID_TEXTED); |
51 | res = -1; |
61 | res = -PSICONV_E_PARSE; |
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62 | goto ERROR2; |
52 | } |
63 | } |
53 | len += 4; |
64 | len += 4; |
54 | |
65 | |
55 | psiconv_progress(lev+2,off+len,"Going to read the section jumptable"); |
66 | psiconv_progress(config,lev+2,off+len,"Going to read the section jumptable"); |
56 | while (temp = psiconv_read_u32(buf,lev+3,off+len), |
67 | while (temp = psiconv_read_u32(config,buf,lev+3,off+len,&res), |
57 | temp != PSICONV_ID_TEXTED_TEXT) { |
68 | !res && temp != PSICONV_ID_TEXTED_TEXT) { |
58 | len += 4; |
69 | len += 4; |
59 | if (temp == PSICONV_ID_TEXTED_LAYOUT) { |
70 | if (temp == PSICONV_ID_TEXTED_LAYOUT) { |
60 | layout_sec = psiconv_read_u32(buf,lev+3,off+len); |
71 | layout_sec = psiconv_read_u32(config,buf,lev+3,off+len,&res); |
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72 | if (res) |
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73 | goto ERROR2; |
61 | psiconv_debug(lev+3,off+len,"Found Layout section at %08x",layout_sec); |
74 | psiconv_debug(config,lev+3,off+len,"Found Layout section at %08x",layout_sec); |
62 | } else if (temp == PSICONV_ID_TEXTED_REPLACEMENT) { |
75 | } else if (temp == PSICONV_ID_TEXTED_REPLACEMENT) { |
63 | replacement_sec = psiconv_read_u32(buf,lev+3,off+len); |
76 | replacement_sec = psiconv_read_u32(config,buf,lev+3,off+len,&res); |
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77 | if (res) |
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78 | goto ERROR2; |
64 | psiconv_debug(lev+3,off+len,"Found Replacement section at %08x", |
79 | psiconv_debug(config,lev+3,off+len,"Found Replacement section at %08x", |
65 | replacement_sec); |
80 | replacement_sec); |
66 | } else if (temp == PSICONV_ID_TEXTED_UNKNOWN) { |
81 | } else if (temp == PSICONV_ID_TEXTED_UNKNOWN) { |
67 | unknown_sec= psiconv_read_u32(buf,lev+3,off+len); |
82 | unknown_sec= psiconv_read_u32(config,buf,lev+3,off+len,&res); |
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83 | if (res) |
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84 | goto ERROR2; |
68 | if (unknown_sec) { |
85 | if (unknown_sec) { |
69 | psiconv_warn(lev+3,off+len, |
86 | psiconv_warn(config,lev+3,off+len, |
70 | "Unknown section in TextEd jumptable has real offset"); |
87 | "Unknown section in TextEd jumptable has real offset (ignoring)"); |
71 | res = -1; |
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72 | } |
88 | } |
73 | psiconv_debug(lev+3,off+len,"Found Unknown section at %08x", |
89 | psiconv_debug(config,lev+3,off+len,"Found Unknown section at %08x", |
74 | unknown_sec); |
90 | unknown_sec); |
75 | } else { |
91 | } else { |
76 | psiconv_warn(lev+3,off+len,"Unknown section in TextEd jumptable"); |
92 | psiconv_warn(config,lev+3,off+len, |
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93 | "Unknown section in TextEd jumptable (ignoring)"); |
77 | psiconv_debug(lev+3,off+len,"Section ID %08x at offset %08x",temp, |
94 | psiconv_debug(config,lev+3,off+len,"Section ID %08x at offset %08x",temp, |
78 | psiconv_read_u32(buf,lev+3,off+len)); |
95 | psiconv_read_u32(config,buf,lev+3,off+len,NULL)); |
79 | res = -1; |
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80 | } |
96 | } |
81 | len += 4; |
97 | len += 4; |
82 | } |
98 | } |
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99 | if (res) |
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100 | goto ERROR2; |
83 | |
101 | |
84 | len += 4; |
102 | len += 4; |
85 | psiconv_progress(lev+2,off+len,"Going to read the text"); |
103 | psiconv_progress(config,lev+2,off+len,"Going to read the text"); |
86 | psiconv_parse_text_section(buf,lev+2,off+len,&leng,&(*result)->paragraphs); |
104 | if ((res = psiconv_parse_text_section(config,buf,lev+2,off+len,&leng, |
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105 | &(*result)->paragraphs))) |
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106 | goto ERROR2; |
87 | len += leng; |
107 | len += leng; |
88 | |
108 | |
89 | if (layout_sec) { |
109 | if (layout_sec) { |
90 | psiconv_progress(lev+2,off+len,"Going to read the layout"); |
110 | psiconv_progress(config,lev+2,off+len,"Going to read the layout"); |
91 | psiconv_parse_styleless_layout_section(buf,lev+2,layout_sec,NULL, |
111 | if ((res = psiconv_parse_styleless_layout_section(config,buf,lev+2,layout_sec,NULL, |
92 | (*result)->paragraphs, |
112 | (*result)->paragraphs, |
93 | base_char,base_para); |
113 | base_char,base_para))) |
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114 | goto ERROR3; |
94 | } |
115 | } |
95 | |
116 | |
96 | #if 0 |
117 | #if 0 |
97 | if (replacement_sec) { |
118 | if (replacement_sec) { |
98 | psiconv_progress(lev+2,off+len,"Going to read the replacements"); |
119 | psiconv_progress(config,lev+2,off+len,"Going to read the replacements"); |
99 | /* WHATEVER */ |
120 | /* WHATEVER */ |
100 | } |
121 | } |
101 | #endif |
122 | #endif |
102 | |
123 | |
103 | if (length) |
124 | if (length) |
104 | *length = len; |
125 | *length = len; |
105 | |
126 | |
106 | psiconv_progress(lev+1,off+len-1,"End of TextEd section " |
127 | psiconv_progress(config,lev+1,off+len-1,"End of TextEd section " |
107 | "(total length: %08x", len); |
128 | "(total length: %08x", len); |
108 | |
129 | |
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130 | return 0; |
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131 | |
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132 | ERROR3: |
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133 | psiconv_free_text_and_layout((*result)->paragraphs); |
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134 | ERROR2: |
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135 | free (*result); |
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136 | ERROR1: |
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137 | psiconv_error(config,lev+1,off,"Reading of TextEd Section failed"); |
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138 | if (length) |
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139 | *length = 0; |
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140 | if (!res) |
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141 | return -PSICONV_E_NOMEM; |
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142 | else |
109 | return res; |
143 | return res; |
110 | } |
144 | } |
111 | |
145 | |
112 | |
146 | |