1 /*
2 generate_simple.c - Part of psiconv, a PSION 5 file formats converter
3 Copyright (c) 2000-2014 Frodo Looijaard <frodo@frodo.looijaard.name>
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
21 #include "config.h"
22 #include "compat.h"
23
24 #include <string.h>
25 #include <stdlib.h>
26
27 #include "generate_routines.h"
28 #include "error.h"
29
30 #ifdef DMALLOC
31 #include <dmalloc.h>
32 #endif
33
34 static int psiconv_write_string_aux(const psiconv_config config,
35 psiconv_buffer buf, int lev,
36 const psiconv_string_t value,int kind);
37
psiconv_write_u8(const psiconv_config config,psiconv_buffer buf,int lev,const psiconv_u8 value)38 int psiconv_write_u8(const psiconv_config config,psiconv_buffer buf,
39 int lev,const psiconv_u8 value)
40 {
41 int res;
42 psiconv_progress(config,lev,0,"Writing u8");
43 psiconv_debug(config,lev+1,0,"Value: %02x",value);
44 res = psiconv_buffer_add(buf,value);
45 if (res)
46 psiconv_error(config,lev,0,"Out of memory error");
47 return res;
48 }
49
psiconv_write_u16(const psiconv_config config,psiconv_buffer buf,int lev,const psiconv_u16 value)50 int psiconv_write_u16(const psiconv_config config,psiconv_buffer buf,
51 int lev,const psiconv_u16 value)
52 {
53 int res;
54 psiconv_progress(config,lev,0,"Writing u16");
55 psiconv_debug(config,lev+1,0,"Value: %04x",value);
56 if ((res = psiconv_buffer_add(buf,value & 0xff)))
57 goto ERROR;
58 if ((res = psiconv_buffer_add(buf,(value & 0xff00) >> 8)))
59 goto ERROR;
60 ERROR:
61 if (res)
62 psiconv_error(config,lev,0,"Out of memory error");
63 return res;
64 }
65
psiconv_write_u32(const psiconv_config config,psiconv_buffer buf,int lev,const psiconv_u32 value)66 int psiconv_write_u32(const psiconv_config config,psiconv_buffer buf,
67 int lev,const psiconv_u32 value)
68 {
69 int res;
70 psiconv_progress(config,lev,0,"Writing u32");
71 psiconv_debug(config,lev+1,0,"Value: %08x",value);
72
73 if ((res = psiconv_buffer_add(buf,value & 0xff)))
74 goto ERROR;
75 if ((res = psiconv_buffer_add(buf,(value & 0xff00) >> 8)))
76 goto ERROR;
77 if ((res = psiconv_buffer_add(buf,(value & 0xff0000) >> 16)))
78 goto ERROR;
79 if ((res = psiconv_buffer_add(buf,(value & 0xff000000) >> 24)))
80 goto ERROR;
81 ERROR:
82 if (res)
83 psiconv_error(config,lev,0,"Out of memory error");
84 return res;
85 }
86
psiconv_write_S(const psiconv_config config,psiconv_buffer buf,int lev,const psiconv_u32 value)87 int psiconv_write_S(const psiconv_config config,psiconv_buffer buf,
88 int lev,const psiconv_u32 value)
89 {
90 int res;
91
92 psiconv_progress(config,lev,0,"Writing S");
93 psiconv_debug(config,lev+1,0,"Value: %08x",value);
94 if (value < 0x40)
95 res = psiconv_write_u8(config,buf,lev+2,value * 4 + 2);
96 else if (value < 0x2000)
97 res = psiconv_write_u16(config,buf,lev+2,value * 8 + 3);
98 else {
99 psiconv_error(config,0,psiconv_buffer_length(buf),
100 "Don't know how to write S value larger than 0x2000 "
101 "(trying %x)",value);
102 res = -PSICONV_E_GENERATE;
103 }
104 if (res)
105 psiconv_error(config,lev,0,"Writing of S failed");
106 else
107 psiconv_progress(config,lev,0,"End of S");
108 return res;
109 }
110
psiconv_write_X(const psiconv_config config,psiconv_buffer buf,int lev,const psiconv_u32 value)111 int psiconv_write_X(const psiconv_config config,psiconv_buffer buf,
112 int lev, const psiconv_u32 value)
113 {
114 int res;
115 psiconv_progress(config,lev,0,"Writing X");
116 psiconv_debug(config,lev+1,0,"Value: %08x",value);
117 if (value < 0x80)
118 res = psiconv_write_u8(config,buf,lev+2,value * 2);
119 else if (value < 0x4000)
120 res = psiconv_write_u16(config,buf,lev+2,value * 4 + 1);
121 else if (value < 0x20000000)
122 res = psiconv_write_u16(config,buf,lev+2,value * 8 + 3);
123 else {
124 psiconv_error(config,lev,0,
125 "Don't know how to write X value larger than 0x20000000 "
126 "(trying %x)",value);
127 res = -PSICONV_E_GENERATE;
128 }
129 if (res)
130 psiconv_error(config,lev,0,"Writing of X failed");
131 else
132 psiconv_progress(config,lev,0,"End of X");
133 return res;
134 }
135
psiconv_write_length(const psiconv_config config,psiconv_buffer buf,int lev,const psiconv_length_t value)136 int psiconv_write_length(const psiconv_config config,psiconv_buffer buf,
137 int lev,const psiconv_length_t value)
138 {
139 int res;
140 psiconv_progress(config,lev,0,"Writing length");
141 psiconv_debug(config,lev+1,0,"Value: %f",value);
142 res = psiconv_write_u32(config,buf,lev+2,value * (1440.0/2.54) + 0.5);
143 if (res)
144 psiconv_error(config,lev,0,"Writing of length failed");
145 else
146 psiconv_progress(config,lev,0,"End of length");
147 return res;
148 }
149
psiconv_write_size(const psiconv_config config,psiconv_buffer buf,int lev,psiconv_size_t value)150 int psiconv_write_size(const psiconv_config config,psiconv_buffer buf,
151 int lev, psiconv_size_t value)
152 {
153 int res;
154 psiconv_progress(config,lev,0,"Writing size");
155 psiconv_debug(config,lev+1,0,"Value: %f",value);
156 res = psiconv_write_u32(config,buf,lev+2,value * 20.0 + 0.5);
157 if (res)
158 psiconv_error(config,lev,0,"Writing of size failed");
159 else
160 psiconv_progress(config,lev,0,"End of size");
161 return res;
162 }
163
psiconv_write_bool(const psiconv_config config,psiconv_buffer buf,int lev,const psiconv_bool_t value)164 int psiconv_write_bool(const psiconv_config config,psiconv_buffer buf,
165 int lev,const psiconv_bool_t value)
166 {
167 int res;
168 psiconv_progress(config,lev,0,"Writing bool");
169 psiconv_debug(config,lev+1,0,"Value: %s",
170 value == psiconv_bool_false?"False":"True");
171 if ((value != psiconv_bool_true) && (value != psiconv_bool_false))
172 psiconv_warn(config,0,psiconv_buffer_length(buf),
173 "Boolean has non-enum value (found %d, used true)",value);
174 res = psiconv_write_u8(config,buf,lev+2,value == psiconv_bool_false?0:1);
175 if (res)
176 psiconv_error(config,lev,0,"Writing of bool failed");
177 else
178 psiconv_progress(config,lev,0,"End of bool");
179 return res;
180 }
181
psiconv_write_string(const psiconv_config config,psiconv_buffer buf,int lev,const psiconv_string_t value)182 int psiconv_write_string(const psiconv_config config,psiconv_buffer buf,
183 int lev, const psiconv_string_t value)
184 {
185 int res;
186 psiconv_progress(config,lev,0,"Writing string");
187 res = psiconv_write_string_aux(config,buf,lev+1,value,-1);
188 if (res)
189 psiconv_error(config,lev,0,"Writing of string failed");
190 else
191 psiconv_progress(config,lev,0,"End of string");
192 return res;
193 }
194
psiconv_write_short_string(const psiconv_config config,psiconv_buffer buf,int lev,const psiconv_string_t value)195 int psiconv_write_short_string(const psiconv_config config,psiconv_buffer buf,
196 int lev,const psiconv_string_t value)
197 {
198 int res;
199 psiconv_progress(config,lev,0,"Writing short string");
200 res = psiconv_write_string_aux(config,buf,lev+1,value,-2);
201 if (res)
202 psiconv_error(config,lev,0,"Writing of short string failed");
203 else
204 psiconv_progress(config,lev,0,"End of short string");
205 return res;
206 }
207
psiconv_write_charlist(const psiconv_config config,psiconv_buffer buf,int lev,const psiconv_string_t value)208 int psiconv_write_charlist(const psiconv_config config,psiconv_buffer buf,
209 int lev,const psiconv_string_t value)
210 {
211 int res;
212 psiconv_progress(config,lev,0,"Writing charlist");
213 res = psiconv_write_string_aux(config,buf,lev+1,value,0);
214 if (res)
215 psiconv_error(config,lev,0,"Writing of charlist failed");
216 else
217 psiconv_progress(config,lev,0,"End of charlist");
218 return res;
219 }
220
221
psiconv_write_string_aux(const psiconv_config config,psiconv_buffer buf,int lev,const psiconv_string_t value,int kind)222 int psiconv_write_string_aux(const psiconv_config config,psiconv_buffer buf,
223 int lev, const psiconv_string_t value,int kind)
224 {
225 int res,i,len;
226 char *printable;
227
228 len = psiconv_unicode_strlen(value);
229 if (!value) {
230 psiconv_error(config,lev,0, "NULL string");
231 return -PSICONV_E_GENERATE;
232 }
233
234 if (!(printable = psiconv_make_printable(config,value))) {
235 psiconv_error(config,lev,0,"Out of memory error");
236 return -PSICONV_E_NOMEM;
237 }
238 psiconv_debug(config,lev+1,0,"Value: %s",printable);
239 free(printable);
240
241 if (kind == -1)
242 res = psiconv_write_S(config,buf,lev+2,len);
243 else if (kind == -2)
244 res = psiconv_write_u8(config,buf,lev+2,len);
245 else
246 res = 0;
247 if (res)
248 return res;
249
250 for (i = 0; i < len; i++)
251 if ((res = psiconv_unicode_write_char(config,buf,lev+2,value[i])))
252 return res;
253 return -PSICONV_E_OK;
254 }
255
psiconv_write_offset(const psiconv_config config,psiconv_buffer buf,int lev,psiconv_u32 id)256 int psiconv_write_offset(const psiconv_config config,psiconv_buffer buf,
257 int lev,psiconv_u32 id)
258 {
259 int res;
260 psiconv_progress(config,lev,0,"Writing offset");
261 psiconv_debug(config,lev+1,0,"ID: %08x",id);
262 res = psiconv_buffer_add_reference(buf,id);
263 if (res)
264 psiconv_error(config,lev,0,"Out of memory error");
265 return res;
266 }
267