1 | /* |
1 | /* |
2 | parse_simple.c - Part of psiconv, a PSION 5 file formats converter |
2 | parse_simple.c - Part of psiconv, a PSION 5 file formats converter |
3 | Copyright (c) 1999, 2000 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. |
… | |
… | |
23 | #include <stdlib.h> |
23 | #include <stdlib.h> |
24 | #include <math.h> |
24 | #include <math.h> |
25 | |
25 | |
26 | #include "parse_routines.h" |
26 | #include "parse_routines.h" |
27 | #include "error.h" |
27 | #include "error.h" |
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28 | #include "unicode.h" |
28 | |
29 | |
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30 | #ifdef DMALLOC |
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31 | #include <dmalloc.h> |
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32 | #endif |
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33 | |
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34 | static psiconv_float_t pow2(int n); |
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35 | static psiconv_string_t psiconv_read_string_aux(const psiconv_config config, |
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36 | const psiconv_buffer buf,int lev, |
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37 | psiconv_u32 off,int *length, int *status, |
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38 | int kind); |
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39 | |
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40 | /* Very inefficient, but good enough for now. By implementing it ourselves, |
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41 | we do not have to link with -lm */ |
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42 | psiconv_float_t pow2(int n) |
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43 | { |
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44 | psiconv_float_t res=1.0; |
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45 | int i; |
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46 | |
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47 | for (i = 0; i < (n<0?-n:n); i++) |
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48 | res *= 2.0; |
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49 | |
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50 | return n<0?1/res:res; |
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51 | } |
29 | psiconv_u8 psiconv_read_u8(const psiconv_buffer buf,int lev,psiconv_u32 off, |
52 | psiconv_u8 psiconv_read_u8(const psiconv_config config,const psiconv_buffer buf,int lev,psiconv_u32 off, |
30 | int *status) |
53 | int *status) |
31 | { |
54 | { |
32 | psiconv_u8 *ptr; |
55 | psiconv_u8 *ptr; |
33 | ptr = psiconv_buffer_get(buf,off); |
56 | ptr = psiconv_buffer_get(buf,off); |
34 | if (!ptr) { |
57 | if (!ptr) { |
35 | psiconv_warn(lev,off,"Trying byte read past the end of the file"); |
58 | psiconv_error(config,lev,off,"Trying byte read past the end of the file"); |
36 | if (status) |
59 | if (status) |
37 | *status = -PSICONV_E_PARSE; |
60 | *status = -PSICONV_E_PARSE; |
38 | return 0; |
61 | return 0; |
39 | } |
62 | } |
40 | if (status) |
63 | if (status) |
41 | *status = 0; |
64 | *status = 0; |
42 | return *ptr; |
65 | return *ptr; |
43 | } |
66 | } |
44 | |
67 | |
45 | psiconv_u16 psiconv_read_u16(const psiconv_buffer buf,int lev,psiconv_u32 off, |
68 | psiconv_u16 psiconv_read_u16(const psiconv_config config,const psiconv_buffer buf,int lev,psiconv_u32 off, |
46 | int *status) |
69 | int *status) |
47 | { |
70 | { |
48 | psiconv_u8 *ptr0,*ptr1; |
71 | psiconv_u8 *ptr0,*ptr1; |
49 | ptr0 = psiconv_buffer_get(buf,off); |
72 | ptr0 = psiconv_buffer_get(buf,off); |
50 | ptr1 = psiconv_buffer_get(buf,off+1); |
73 | ptr1 = psiconv_buffer_get(buf,off+1); |
51 | if (!ptr0 || !ptr1) { |
74 | if (!ptr0 || !ptr1) { |
52 | psiconv_warn(lev,off,"Trying word read past the end of the file"); |
75 | psiconv_error(config,lev,off,"Trying word read past the end of the file"); |
53 | if (status) |
76 | if (status) |
54 | *status = -PSICONV_E_PARSE; |
77 | *status = -PSICONV_E_PARSE; |
55 | return 0; |
78 | return 0; |
56 | } |
79 | } |
57 | if (status) |
80 | if (status) |
58 | *status = 0; |
81 | *status = 0; |
59 | return *ptr0 + (*ptr1 << 8); |
82 | return *ptr0 + (*ptr1 << 8); |
60 | } |
83 | } |
61 | |
84 | |
62 | psiconv_u32 psiconv_read_u32(const psiconv_buffer buf,int lev,psiconv_u32 off, |
85 | psiconv_u32 psiconv_read_u32(const psiconv_config config,const psiconv_buffer buf,int lev,psiconv_u32 off, |
63 | int *status) |
86 | int *status) |
64 | { |
87 | { |
65 | psiconv_u8 *ptr0,*ptr1,*ptr2,*ptr3; |
88 | psiconv_u8 *ptr0,*ptr1,*ptr2,*ptr3; |
66 | ptr0 = psiconv_buffer_get(buf,off); |
89 | ptr0 = psiconv_buffer_get(buf,off); |
67 | ptr1 = psiconv_buffer_get(buf,off+1); |
90 | ptr1 = psiconv_buffer_get(buf,off+1); |
68 | ptr2 = psiconv_buffer_get(buf,off+2); |
91 | ptr2 = psiconv_buffer_get(buf,off+2); |
69 | ptr3 = psiconv_buffer_get(buf,off+3); |
92 | ptr3 = psiconv_buffer_get(buf,off+3); |
70 | if (!ptr0 || !ptr1 || !ptr2 || !ptr3) { |
93 | if (!ptr0 || !ptr1 || !ptr2 || !ptr3) { |
71 | psiconv_warn(lev,off,"Trying long read past the end of the file"); |
94 | psiconv_error(config,lev,off,"Trying long read past the end of the file"); |
72 | if (status) |
95 | if (status) |
73 | *status = -PSICONV_E_PARSE; |
96 | *status = -PSICONV_E_PARSE; |
74 | return 0; |
97 | return 0; |
75 | } |
98 | } |
76 | if (status) |
99 | if (status) |
77 | *status = 0; |
100 | *status = 0; |
78 | return *ptr0 + (*ptr1 << 8) + (*ptr2 << 16) + (*ptr3 << 24); |
101 | return *ptr0 + (*ptr1 << 8) + (*ptr2 << 16) + (*ptr3 << 24); |
79 | } |
102 | } |
80 | |
103 | |
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104 | psiconv_s32 psiconv_read_sint(const psiconv_config config,const psiconv_buffer buf,int lev,psiconv_u32 off, |
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105 | int *length,int *status) |
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106 | { |
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107 | int localstatus; |
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108 | psiconv_u32 temp; |
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109 | |
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110 | temp=psiconv_read_u32(config,buf,lev,off,&localstatus); |
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111 | if (status) |
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112 | *status = localstatus; |
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113 | if (length) |
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114 | *length = localstatus?0:4; |
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115 | |
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116 | return localstatus?0:(temp & 0x7fffffff)*(temp&0x80000000?-1:1); |
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117 | } |
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118 | |
81 | psiconv_S_t psiconv_read_S(const psiconv_buffer buf, int lev, psiconv_u32 off, |
119 | psiconv_u32 psiconv_read_S(const psiconv_config config,const psiconv_buffer buf, int lev, psiconv_u32 off, |
82 | int *length,int *status) |
120 | int *length,int *status) |
83 | { |
121 | { |
84 | psiconv_u8 temp; |
122 | psiconv_u8 temp; |
85 | psiconv_S_t res; |
123 | psiconv_u32 res; |
86 | int len,localstatus; |
124 | int len,localstatus; |
87 | |
125 | |
88 | psiconv_progress(lev+1,off,"Going to read a S length indicator"); |
126 | psiconv_progress(config,lev+1,off,"Going to read a S length indicator"); |
89 | temp = psiconv_read_u8(buf,lev+2,off,&localstatus); |
127 | temp = psiconv_read_u8(config,buf,lev+2,off,&localstatus); |
90 | if (localstatus) |
128 | if (localstatus) |
91 | goto ERROR; |
129 | goto ERROR; |
92 | if ((temp & 0x03) == 0x02) { |
130 | if ((temp & 0x03) == 0x02) { |
93 | res = psiconv_read_u8(buf,lev+2,off,&localstatus) >> 2; |
131 | res = psiconv_read_u8(config,buf,lev+2,off,&localstatus) >> 2; |
94 | if (localstatus) |
132 | if (localstatus) |
95 | goto ERROR; |
133 | goto ERROR; |
96 | len = 1; |
134 | len = 1; |
97 | psiconv_debug(lev+2,off,"Indicator (1 byte): %02x",res); |
135 | psiconv_debug(config,lev+2,off,"Indicator (1 byte): %02x",res); |
98 | } else if ((temp & 0x07) == 0x03) { |
136 | } else if ((temp & 0x07) == 0x05) { |
99 | res = psiconv_read_u16(buf,lev+2,off,&localstatus) >> 3; |
137 | res = psiconv_read_u16(config,buf,lev+2,off,&localstatus) >> 3; |
100 | if (localstatus) |
138 | if (localstatus) |
101 | goto ERROR; |
139 | goto ERROR; |
102 | len = 2; |
140 | len = 2; |
103 | psiconv_debug(lev+2,off,"Indicator (2 bytes): %04x",res); |
141 | psiconv_debug(config,lev+2,off,"Indicator (2 bytes): %04x",res); |
104 | } else { |
142 | } else { |
105 | psiconv_warn(lev+2,off,"S indicator: unknown encoding!"); |
143 | psiconv_error(config,lev+2,off,"S indicator: unknown encoding!"); |
106 | psiconv_debug(lev+2,off,"Raw data first byte: %02x",temp); |
144 | psiconv_debug(config,lev+2,off,"Raw data first byte: %02x",temp); |
107 | goto ERROR; |
145 | goto ERROR; |
108 | } |
146 | } |
109 | |
147 | |
110 | if (length) |
148 | if (length) |
111 | *length = len; |
149 | *length = len; |
112 | if (status) |
150 | if (status) |
113 | *status = 0; |
151 | *status = 0; |
114 | |
152 | |
115 | psiconv_progress(lev+1,off+len-1, |
153 | psiconv_progress(config,lev+1,off+len-1, |
116 | "End of S length indicator (total length: %08x)", len); |
154 | "End of S length indicator (total length: %08x)", len); |
117 | |
155 | |
118 | return res; |
156 | return res; |
119 | |
157 | |
120 | ERROR: |
158 | ERROR: |
121 | psiconv_warn(lev+1,off,"Reading of S indicator failed"); |
159 | psiconv_error(config,lev+1,off,"Reading of S indicator failed"); |
122 | if (status) |
160 | if (status) |
123 | *status = localstatus; |
161 | *status = localstatus; |
124 | if (length) |
162 | if (length) |
125 | *length = 0; |
163 | *length = 0; |
126 | return 0; |
164 | return 0; |
127 | } |
165 | } |
128 | |
166 | |
129 | psiconv_X_t psiconv_read_X(const psiconv_buffer buf, int lev, psiconv_u32 off, |
167 | psiconv_u32 psiconv_read_X(const psiconv_config config,const psiconv_buffer buf, int lev, psiconv_u32 off, |
130 | int *length, int *status) |
168 | int *length, int *status) |
131 | { |
169 | { |
132 | psiconv_u8 temp; |
170 | psiconv_u8 temp; |
133 | psiconv_X_t res; |
171 | psiconv_u32 res; |
134 | int len,localstatus; |
172 | int len,localstatus; |
135 | |
173 | |
136 | psiconv_progress(lev+1,off,"Going to read a X length indicator"); |
174 | psiconv_progress(config,lev+1,off,"Going to read a X length indicator"); |
137 | temp = psiconv_read_u8(buf,lev+2,off,&localstatus); |
175 | temp = psiconv_read_u8(config,buf,lev+2,off,&localstatus); |
138 | if (localstatus) |
176 | if (localstatus) |
139 | goto ERROR; |
177 | goto ERROR; |
140 | if ((temp & 0x01) == 0x00) { |
178 | if ((temp & 0x01) == 0x00) { |
141 | res = psiconv_read_u8(buf,lev+2,off,&localstatus) >> 1; |
179 | res = psiconv_read_u8(config,buf,lev+2,off,&localstatus) >> 1; |
142 | if (localstatus) |
180 | if (localstatus) |
143 | goto ERROR; |
181 | goto ERROR; |
144 | len = 1; |
182 | len = 1; |
145 | psiconv_debug(lev+2,off,"Indicator (1 byte): %02x",res); |
183 | psiconv_debug(config,lev+2,off,"Indicator (1 byte): %02x",res); |
146 | } else if ((temp & 0x03) == 0x01) { |
184 | } else if ((temp & 0x03) == 0x01) { |
147 | res = psiconv_read_u16(buf,lev+2,off,&localstatus) >> 2; |
185 | res = psiconv_read_u16(config,buf,lev+2,off,&localstatus) >> 2; |
148 | if (localstatus) |
186 | if (localstatus) |
149 | goto ERROR; |
187 | goto ERROR; |
150 | len = 2; |
188 | len = 2; |
151 | psiconv_debug(lev+2,off,"Indicator (2 bytes): %04x",res); |
189 | psiconv_debug(config,lev+2,off,"Indicator (2 bytes): %04x",res); |
152 | } else if ((temp & 0x07) == 0x03) { |
190 | } else if ((temp & 0x07) == 0x03) { |
153 | res = psiconv_read_u32(buf,lev+2,off,&localstatus) >> 3; |
191 | res = psiconv_read_u32(config,buf,lev+2,off,&localstatus) >> 3; |
154 | if (localstatus) |
192 | if (localstatus) |
155 | goto ERROR; |
193 | goto ERROR; |
156 | len = 4; |
194 | len = 4; |
157 | psiconv_debug(lev+2,off,"Indicator (4 bytes): %08x",res); |
195 | psiconv_debug(config,lev+2,off,"Indicator (4 bytes): %08x",res); |
158 | } else { |
196 | } else { |
159 | psiconv_warn(lev+2,off,"X indicator: unknown encoding!"); |
197 | psiconv_error(config,lev+2,off,"X indicator: unknown encoding!"); |
160 | psiconv_debug(lev+2,off,"Raw data first byte: %02x",temp); |
198 | psiconv_debug(config,lev+2,off,"Raw data first byte: %02x",temp); |
161 | goto ERROR; |
199 | goto ERROR; |
162 | } |
200 | } |
163 | |
201 | |
164 | if (length) |
202 | if (length) |
165 | *length = len; |
203 | *length = len; |
166 | if (status) |
204 | if (status) |
167 | *status = 0; |
205 | *status = 0; |
168 | |
206 | |
169 | psiconv_progress(lev+1,off+len-1, |
207 | psiconv_progress(config,lev+1,off+len-1, |
170 | "End of X length indicator (total length: %08x)", len); |
208 | "End of X length indicator (total length: %08x)", len); |
171 | |
209 | |
172 | return res; |
210 | return res; |
173 | |
211 | |
174 | ERROR: |
212 | ERROR: |
175 | psiconv_warn(lev+1,off,"Reading of X indicator failed"); |
213 | psiconv_error(config,lev+1,off,"Reading of X indicator failed"); |
176 | if (status) |
214 | if (status) |
177 | *status = localstatus; |
215 | *status = localstatus; |
178 | if (length) |
216 | if (length) |
179 | *length = 0; |
217 | *length = 0; |
180 | return 0; |
218 | return 0; |
181 | } |
219 | } |
182 | |
220 | |
183 | psiconv_length_t psiconv_read_length(const psiconv_buffer buf, int lev, |
221 | psiconv_length_t psiconv_read_length(const psiconv_config config,const psiconv_buffer buf, int lev, |
184 | psiconv_u32 off, int *length, int *status) |
222 | psiconv_u32 off, int *length, int *status) |
185 | { |
223 | { |
186 | psiconv_length_t res; |
224 | psiconv_length_t res; |
187 | int localstatus; |
225 | int localstatus; |
188 | |
226 | |
189 | res = (2.54/1440.0) * ((psiconv_s32) psiconv_read_u32(buf,lev,off, |
227 | res = (2.54/1440.0) * ((psiconv_s32) psiconv_read_u32(config,buf,lev,off, |
190 | &localstatus)); |
228 | &localstatus)); |
191 | if (localstatus) { |
229 | if (localstatus) { |
192 | psiconv_warn(lev+1,off,"Reading of length failed"); |
230 | psiconv_error(config,lev+1,off,"Reading of length failed"); |
193 | if (length) |
231 | if (length) |
194 | *length = 0; |
232 | *length = 0; |
195 | if (status) |
233 | if (status) |
196 | *status = localstatus; |
234 | *status = localstatus; |
197 | return 0; |
235 | return 0; |
198 | } |
236 | } |
199 | psiconv_debug(lev+1,off,"Length: %f",res); |
237 | psiconv_debug(config,lev+1,off,"Length: %f",res); |
200 | if (length) |
238 | if (length) |
201 | *length = 4; |
239 | *length = 4; |
202 | if (status) |
240 | if (status) |
203 | *status = 0; |
241 | *status = 0; |
204 | return res; |
242 | return res; |
205 | } |
243 | } |
206 | |
244 | |
207 | psiconv_size_t psiconv_read_size(const psiconv_buffer buf, int lev, |
245 | psiconv_size_t psiconv_read_size(const psiconv_config config,const psiconv_buffer buf, int lev, |
208 | psiconv_u32 off, int *length, int *status) |
246 | psiconv_u32 off, int *length, int *status) |
209 | { |
247 | { |
210 | psiconv_size_t res; |
248 | psiconv_size_t res; |
211 | int localstatus; |
249 | int localstatus; |
212 | res = ((psiconv_s32) psiconv_read_u32(buf,lev,off,&localstatus)) / 20.0; |
250 | res = ((psiconv_s32) psiconv_read_u32(config,buf,lev,off,&localstatus)) / 20.0; |
213 | if (localstatus) { |
251 | if (localstatus) { |
214 | psiconv_warn(lev+1,off,"Reading of size failed"); |
252 | psiconv_error(config,lev+1,off,"Reading of size failed"); |
215 | if (length) |
253 | if (length) |
216 | *length = 0; |
254 | *length = 0; |
217 | if (status) |
255 | if (status) |
218 | *status = localstatus; |
256 | *status = localstatus; |
219 | return 0; |
257 | return 0; |
220 | } |
258 | } |
221 | psiconv_debug(lev+1,off,"Size: %f",res); |
259 | psiconv_debug(config,lev+1,off,"Size: %f",res); |
222 | if (status) |
260 | if (status) |
223 | *status = 0; |
261 | *status = 0; |
224 | if (length) |
262 | if (length) |
225 | *length = 4; |
263 | *length = 4; |
226 | return res; |
264 | return res; |
227 | } |
265 | } |
228 | |
266 | |
229 | int psiconv_parse_bool(const psiconv_buffer buf, int lev, psiconv_u32 off, |
267 | int psiconv_parse_bool(const psiconv_config config,const psiconv_buffer buf, int lev, psiconv_u32 off, |
230 | int *length, psiconv_bool_t *result) |
268 | int *length, psiconv_bool_t *result) |
231 | { |
269 | { |
232 | psiconv_u8 temp; |
270 | psiconv_u8 temp; |
233 | int localstatus; |
271 | int localstatus; |
234 | temp = psiconv_read_u8(buf,lev,off,&localstatus); |
272 | temp = psiconv_read_u8(config,buf,lev,off,&localstatus); |
235 | if (localstatus) { |
273 | if (localstatus) { |
236 | psiconv_warn(lev+1,off,"Reading of bool failed"); |
274 | psiconv_error(config,lev+1,off,"Reading of bool failed"); |
237 | if (length) |
275 | if (length) |
238 | *length = 0; |
276 | *length = 0; |
239 | return localstatus; |
277 | return localstatus; |
240 | } |
278 | } |
241 | if (length) |
279 | if (length) |
… | |
… | |
245 | return 0; |
283 | return 0; |
246 | } else if (temp == 1) { |
284 | } else if (temp == 1) { |
247 | *result = psiconv_bool_true; |
285 | *result = psiconv_bool_true; |
248 | return 0; |
286 | return 0; |
249 | } |
287 | } |
250 | psiconv_warn(lev+1,off,"Unknown value for boolean"); |
288 | psiconv_warn(config,lev+1,off,"Unknown value for boolean"); |
251 | psiconv_debug(lev+1,off,"Boolean value: %02x",temp); |
289 | psiconv_debug(config,lev+1,off,"Boolean value: %02x",temp); |
252 | *result = psiconv_bool_true; |
290 | *result = psiconv_bool_true; |
253 | return 0; |
291 | return 0; |
254 | } |
292 | } |
255 | |
293 | |
256 | psiconv_string_t psiconv_read_string(const psiconv_buffer buf,int lev, |
294 | psiconv_string_t psiconv_read_string(const psiconv_config config, |
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295 | const psiconv_buffer buf,int lev, |
257 | psiconv_u32 off,int *length, int *status) |
296 | psiconv_u32 off,int *length, int *status) |
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297 | { |
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298 | return psiconv_read_string_aux(config,buf,lev,off,length,status,-1); |
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299 | } |
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300 | |
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301 | psiconv_string_t psiconv_read_short_string(const psiconv_config config, |
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302 | const psiconv_buffer buf,int lev, |
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303 | psiconv_u32 off,int *length, int *status) |
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304 | { |
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305 | return psiconv_read_string_aux(config,buf,lev,off,length,status,-2); |
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306 | } |
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307 | |
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308 | psiconv_string_t psiconv_read_charlist(const psiconv_config config, |
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309 | const psiconv_buffer buf, int lev, |
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310 | psiconv_u32 off, int nrofchars, |
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311 | int *status) |
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312 | { |
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313 | int length; |
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314 | if (nrofchars <= 0) { |
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315 | psiconv_error(config,lev,off, |
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316 | "psiconv_read_charlist called with non-positive nrofchars"); |
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317 | if (status) |
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318 | *status = -PSICONV_E_OTHER; |
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319 | return NULL; |
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320 | } |
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321 | return psiconv_read_string_aux(config,buf,lev,off,&length,status,nrofchars); |
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322 | } |
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323 | |
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324 | |
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325 | psiconv_string_t psiconv_read_string_aux(const psiconv_config config, |
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326 | const psiconv_buffer buf,int lev, |
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327 | psiconv_u32 off,int *length, int *status, |
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328 | int kind) |
258 | { |
329 | { |
259 | int stringlen,i,leng,len,localstatus; |
330 | int stringlen,i,leng,len,localstatus; |
260 | psiconv_string_t result; |
331 | psiconv_string_t result; |
261 | char *res_copy; |
332 | char *res_copy; |
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333 | psiconv_u8 temp; |
262 | |
334 | |
263 | psiconv_progress(lev+1,off,"Going to read a string"); |
335 | psiconv_progress(config,lev+1,off,"Going to read a string"); |
264 | |
336 | |
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337 | if (kind == -1) |
265 | stringlen = psiconv_read_S(buf,lev+2,off,&leng,&localstatus); |
338 | stringlen = psiconv_read_S(config,buf,lev+2,off,&leng,&localstatus); |
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339 | else if (kind == -2) { |
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340 | stringlen = psiconv_read_u8(config,buf,lev+2,off,&localstatus); |
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341 | leng = 1; |
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342 | } else { |
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343 | stringlen = kind; |
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344 | leng = 0; |
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345 | localstatus = 0; |
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346 | } |
266 | if (localstatus) |
347 | if (localstatus) |
267 | goto ERROR1; |
348 | goto ERROR1; |
268 | psiconv_debug(lev+2,off,"Length: %i",stringlen); |
349 | psiconv_debug(config,lev+2,off,"Length: %i",stringlen); |
269 | len = leng; |
350 | len = leng; |
270 | |
351 | |
271 | result = malloc(stringlen + 1); |
352 | result = malloc(sizeof(*result) * (stringlen + 1)); |
272 | if (!result) |
353 | if (!result) |
273 | goto ERROR1; |
354 | goto ERROR1; |
274 | for (i = 0; (i < stringlen) && !localstatus; i++) |
355 | for (i = 0; i < stringlen; i++) { |
275 | result[i] = psiconv_read_u8(buf,lev,off+i+len,&localstatus); |
356 | temp = psiconv_read_u8(config,buf,lev,off+i+len,&localstatus); |
276 | if (localstatus) |
357 | if (localstatus) |
277 | goto ERROR2; |
358 | goto ERROR2; |
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359 | result[i] = psiconv_unicode_from_char(config,temp); |
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360 | } |
278 | result[stringlen] = 0; |
361 | result[stringlen] = 0; |
279 | len += stringlen; |
362 | len += stringlen; |
280 | |
363 | |
281 | res_copy = psiconv_make_printable(result); |
364 | res_copy = psiconv_make_printable(config,result); |
282 | if (!res_copy) |
365 | if (!res_copy) |
283 | goto ERROR2; |
366 | goto ERROR2; |
284 | psiconv_debug(lev+2,off,"Contents: `%s'",res_copy); |
367 | psiconv_debug(config,lev+2,off,"Contents: `%s'",res_copy); |
285 | free(res_copy); |
368 | free(res_copy); |
286 | |
369 | |
287 | if (length) |
370 | if (length) |
288 | *length = len; |
371 | *length = len; |
289 | |
372 | |
290 | if (status) |
373 | if (status) |
291 | *status = 0; |
374 | *status = 0; |
292 | |
375 | |
293 | psiconv_progress(lev+1,off+len-1,"End of string (total length: %08x)",len); |
376 | psiconv_progress(config,lev+1,off+len-1,"End of string (total length: %08x)",len); |
294 | |
377 | |
295 | return result; |
378 | return result; |
296 | |
379 | |
297 | ERROR2: |
380 | ERROR2: |
298 | free(result); |
381 | free(result); |
299 | ERROR1: |
382 | ERROR1: |
300 | psiconv_warn(lev+1,off,"Reading of string failed"); |
383 | psiconv_error(config,lev+1,off,"Reading of string failed"); |
301 | if (status) |
384 | if (status) |
302 | *status = localstatus; |
385 | *status = localstatus; |
303 | if (length) |
386 | if (length) |
304 | *length = 0; |
387 | *length = 0; |
305 | return NULL; |
388 | return NULL; |
306 | } |
389 | } |
307 | |
390 | |
308 | psiconv_float_t psiconv_read_float(const psiconv_buffer buf, int lev, |
391 | psiconv_float_t psiconv_read_float(const psiconv_config config,const psiconv_buffer buf, int lev, |
309 | psiconv_u32 off, int *length, int *status) |
392 | psiconv_u32 off, int *length, int *status) |
310 | { |
393 | { |
311 | psiconv_float_t result,bitvalue; |
394 | psiconv_float_t result,bitvalue; |
312 | int res,bit; |
395 | int res,bit; |
313 | psiconv_u32 temp=0; |
396 | psiconv_u32 temp=0; |
314 | |
397 | |
315 | psiconv_progress(lev+1,off,"Going to read a float"); |
398 | psiconv_progress(config,lev+1,off,"Going to read a float"); |
316 | |
399 | |
317 | bitvalue = 0.5; |
400 | bitvalue = 0.5; |
318 | result = 1.0; |
401 | result = 1.0; |
319 | for (bit = 0x33; bit > 0; bit--) { |
402 | for (bit = 0x33; bit > 0; bit--) { |
320 | if ((bit == 0x33) || ((bit & 0x07) == 0x07)) |
403 | if ((bit == 0x33) || ((bit & 0x07) == 0x07)) |
321 | temp = psiconv_read_u8(buf,lev+2,off+ (bit >> 3),&res); |
404 | temp = psiconv_read_u8(config,buf,lev+2,off+ (bit >> 3),&res); |
322 | if (res) |
405 | if (res) |
323 | goto ERROR; |
406 | goto ERROR; |
324 | if (temp & (0x01 << (bit & 0x07))) |
407 | if (temp & (0x01 << (bit & 0x07))) |
325 | result += bitvalue; |
408 | result += bitvalue; |
326 | bitvalue /= 2.0; |
409 | bitvalue /= 2.0; |
327 | } |
410 | } |
328 | temp = psiconv_read_u16(buf,lev+2,off+6,&res); |
411 | temp = psiconv_read_u16(config,buf,lev+2,off+6,&res); |
329 | if (res) |
412 | if (res) |
330 | goto ERROR; |
413 | goto ERROR; |
331 | if (temp & 0x8000) |
414 | if (temp & 0x8000) |
332 | result = -result; |
415 | result = -result; |
333 | temp = (temp & 0x7ff0) >> 4; |
416 | temp = (temp & 0x7ff0) >> 4; |
334 | result *= pow(2.0,((int) temp)-0x3ff); |
417 | result *= pow2(((int) temp)-0x3ff); |
335 | psiconv_debug(lev+1,off,"Float value: %f",result); |
418 | psiconv_debug(config,lev+1,off,"Float value: %f",result); |
336 | if (length) |
419 | if (length) |
337 | *length = 8; |
420 | *length = 8; |
338 | if (*status) |
421 | if (*status) |
339 | *status = res; |
422 | *status = res; |
340 | return result; |
423 | return result; |
341 | ERROR: |
424 | ERROR: |
342 | psiconv_warn(lev+1,off,"Reading of float failed"); |
425 | psiconv_error(config,lev+1,off,"Reading of float failed"); |
343 | if (length) |
426 | if (length) |
344 | *length = 0; |
427 | *length = 0; |
345 | if (*status) |
428 | if (*status) |
346 | *status = res; |
429 | *status = res; |
347 | return 0.0; |
430 | return 0.0; |
348 | } |
431 | } |
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432 | |