2 * Builtin dlls resource support
4 * Copyright 2000 Alexandre Julliard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 #include <sys/types.h>
30 #ifdef HAVE_SYS_MMAN_H
35 #include "wine/unicode.h"
38 /* Unicode string or integer id */
41 WCHAR *str; /* ptr to Unicode string */
42 WORD id; /* integer id if str is NULL */
45 /* descriptor for a resource */
48 struct string_id type;
49 struct string_id name;
51 unsigned int data_size;
55 /* name level of the resource tree */
58 const struct string_id *name; /* name */
59 const struct resource *res; /* resource */
60 int nb_languages; /* number of languages */
63 /* type level of the resource tree */
66 const struct string_id *type; /* type name */
67 struct res_name *names; /* names array */
68 unsigned int nb_names; /* total number of names */
69 unsigned int nb_id_names; /* number of names that have a numeric id */
72 static struct resource *resources;
73 static int nb_resources;
75 static struct res_type *res_types;
76 static int nb_types; /* total number of types */
77 static int nb_id_types; /* number of types that have a numeric id */
79 static const unsigned char *file_pos; /* current position in resource file */
80 static const unsigned char *file_end; /* end of resource file */
81 static const char *file_name; /* current resource file name */
84 inline static struct resource *add_resource(void)
86 resources = xrealloc( resources, (nb_resources + 1) * sizeof(*resources) );
87 return &resources[nb_resources++];
90 static struct res_name *add_name( struct res_type *type, const struct resource *res )
92 struct res_name *name;
93 type->names = xrealloc( type->names, (type->nb_names + 1) * sizeof(*type->names) );
94 name = &type->names[type->nb_names++];
95 name->name = &res->name;
97 name->nb_languages = 1;
98 if (!name->name->str) type->nb_id_names++;
102 static struct res_type *add_type( const struct resource *res )
104 struct res_type *type;
105 res_types = xrealloc( res_types, (nb_types + 1) * sizeof(*res_types) );
106 type = &res_types[nb_types++];
107 type->type = &res->type;
110 type->nb_id_names = 0;
111 if (!type->type->str) nb_id_types++;
115 /* get the next word from the current resource file */
116 static WORD get_word(void)
118 WORD ret = *(WORD *)file_pos;
119 file_pos += sizeof(WORD);
120 if (file_pos > file_end) fatal_error( "%s is a truncated file\n", file_name );
124 /* get the next dword from the current resource file */
125 static DWORD get_dword(void)
127 DWORD ret = *(DWORD *)file_pos;
128 file_pos += sizeof(DWORD);
129 if (file_pos > file_end) fatal_error( "%s is a truncated file\n", file_name );
133 /* get a string from the current resource file */
134 static void get_string( struct string_id *str )
136 if (*(WCHAR *)file_pos == 0xffff)
138 get_word(); /* skip the 0xffff */
140 str->id = get_word();
144 WCHAR *p = xmalloc( (strlenW((WCHAR*)file_pos) + 1) * sizeof(WCHAR) );
147 while ((*p++ = get_word()));
151 /* check the file header */
152 /* all values must be zero except header size */
153 static void check_header(void)
155 if (get_dword()) goto error; /* data size */
156 if (get_dword() != 32) goto error; /* header size */
157 if (get_word() != 0xffff || get_word()) goto error; /* type, must be id 0 */
158 if (get_word() != 0xffff || get_word()) goto error; /* name, must be id 0 */
159 if (get_dword()) goto error; /* data version */
160 if (get_word()) goto error; /* mem options */
161 if (get_word()) goto error; /* language */
162 if (get_dword()) goto error; /* version */
163 if (get_dword()) goto error; /* characteristics */
166 fatal_error( "%s is not a valid Win32 resource file\n", file_name );
169 /* load the next resource from the current file */
170 static void load_next_resource(void)
173 struct resource *res = add_resource();
175 res->data_size = (get_dword() + 3) & ~3;
176 hdr_size = get_dword();
177 if (hdr_size & 3) fatal_error( "%s header size not aligned\n", file_name );
179 res->data = file_pos - 2*sizeof(DWORD) + hdr_size;
180 get_string( &res->type );
181 get_string( &res->name );
182 if ((int)file_pos & 2) get_word(); /* align to dword boundary */
183 get_dword(); /* skip data version */
184 get_word(); /* skip mem options */
185 res->lang = get_word();
186 get_dword(); /* skip version */
187 get_dword(); /* skip characteristics */
189 file_pos = (char *)res->data + res->data_size;
190 if (file_pos > file_end) fatal_error( "%s is a truncated file\n", file_name );
193 /* load a Win32 .res file */
194 void load_res32_file( const char *name )
200 if ((fd = open( name, O_RDONLY )) == -1) fatal_perror( "Cannot open %s", name );
201 if ((fstat( fd, &st ) == -1)) fatal_perror( "Cannot stat %s", name );
202 if (!st.st_size) fatal_error( "%s is an empty file\n" );
204 if ((base = mmap( NULL, st.st_size, PROT_READ, MAP_PRIVATE, fd, 0 )) == (void*)-1)
205 #endif /* HAVE_MMAP */
207 base = xmalloc( st.st_size );
208 if (read( fd, base, st.st_size ) != st.st_size)
209 fatal_error( "Cannot read %s\n", name );
214 file_end = file_pos + st.st_size;
216 while (file_pos < file_end) load_next_resource();
219 /* compare two unicode strings/ids */
220 static int cmp_string( const struct string_id *str1, const struct string_id *str2 )
224 if (!str2->str) return str1->id - str2->id;
225 return 1; /* an id compares larger than a string */
227 if (!str2->str) return -1;
228 return strcmpiW( str1->str, str2->str );
231 /* compare two resources for sorting the resource directory */
232 /* resources are stored first by type, then by name, then by language */
233 static int cmp_res( const void *ptr1, const void *ptr2 )
235 const struct resource *res1 = ptr1;
236 const struct resource *res2 = ptr2;
239 if ((ret = cmp_string( &res1->type, &res2->type ))) return ret;
240 if ((ret = cmp_string( &res1->name, &res2->name ))) return ret;
241 return res1->lang - res2->lang;
244 /* build the 3-level (type,name,language) resource tree */
245 static void build_resource_tree(void)
248 struct res_type *type = NULL;
249 struct res_name *name = NULL;
251 qsort( resources, nb_resources, sizeof(*resources), cmp_res );
253 for (i = 0; i < nb_resources; i++)
255 if (!i || cmp_string( &resources[i].type, &resources[i-1].type )) /* new type */
257 type = add_type( &resources[i] );
258 name = add_name( type, &resources[i] );
260 else if (cmp_string( &resources[i].name, &resources[i-1].name )) /* new name */
262 name = add_name( type, &resources[i] );
264 else name->nb_languages++;
268 /* output a Unicode string */
269 static void output_string( FILE *outfile, const WCHAR *name )
271 int i, len = strlenW(name);
272 fprintf( outfile, "0x%04x", len );
273 for (i = 0; i < len; i++) fprintf( outfile, ", 0x%04x", name[i] );
274 fprintf( outfile, " /* " );
275 for (i = 0; i < len; i++) fprintf( outfile, "%c", isprint((char)name[i]) ? (char)name[i] : '?' );
276 fprintf( outfile, " */" );
279 /* output the resource definitions */
280 int output_resources( FILE *outfile )
284 const struct res_type *type;
285 const struct res_name *name;
286 const struct resource *res;
288 if (!nb_resources) return 0;
290 build_resource_tree();
294 for (i = 0, res = resources; i < nb_resources; i++, res++)
296 const unsigned int *p = res->data;
297 int size = res->data_size / 4;
298 /* dump data as ints to ensure correct alignment */
299 fprintf( outfile, "static const unsigned int res_%d[%d] = {\n ", i, size );
300 for (j = 0; j < size - 1; j++, p++)
302 fprintf( outfile, "0x%08x,", *p );
303 if ((j % 8) == 7) fprintf( outfile, "\n " );
305 fprintf( outfile, "0x%08x\n};\n\n", *p );
308 /* directory structures */
310 fprintf( outfile, "struct res_dir {\n" );
311 fprintf( outfile, " unsigned int Characteristics;\n" );
312 fprintf( outfile, " unsigned int TimeDateStamp;\n" );
313 fprintf( outfile, " unsigned short MajorVersion, MinorVersion;\n" );
314 fprintf( outfile, " unsigned short NumerOfNamedEntries, NumberOfIdEntries;\n};\n\n" );
315 fprintf( outfile, "struct res_dir_entry {\n" );
316 fprintf( outfile, " unsigned int Name;\n" );
317 fprintf( outfile, " unsigned int OffsetToData;\n};\n\n" );
318 fprintf( outfile, "struct res_data_entry {\n" );
319 fprintf( outfile, " const unsigned int *OffsetToData;\n" );
320 fprintf( outfile, " unsigned int Size;\n" );
321 fprintf( outfile, " unsigned int CodePage;\n" );
322 fprintf( outfile, " unsigned int ResourceHandle;\n};\n\n" );
324 /* resource directory definition */
326 fprintf( outfile, "#define OFFSETOF(field) ((char*)&((struct res_struct *)0)->field - (char*)((struct res_struct *) 0))\n" );
327 fprintf( outfile, "static struct res_struct{\n" );
328 fprintf( outfile, " struct res_dir type_dir;\n" );
329 fprintf( outfile, " struct res_dir_entry type_entries[%d];\n", nb_types );
331 for (i = 0, type = res_types; i < nb_types; i++, type++)
333 fprintf( outfile, " struct res_dir name_%d_dir;\n", i );
334 fprintf( outfile, " struct res_dir_entry name_%d_entries[%d];\n", i, type->nb_names );
335 for (n = 0, name = type->names; n < type->nb_names; n++, name++)
337 fprintf( outfile, " struct res_dir lang_%d_%d_dir;\n", i, n );
338 fprintf( outfile, " struct res_dir_entry lang_%d_%d_entries[%d];\n",
339 i, n, name->nb_languages );
343 fprintf( outfile, " struct res_data_entry data_entries[%d];\n", nb_resources );
345 for (i = 0, type = res_types; i < nb_types; i++, type++)
348 fprintf( outfile, " unsigned short type_%d_name[%d];\n",
349 i, strlenW(type->type->str)+1 );
350 for (n = 0, name = type->names; n < type->nb_names; n++, name++)
353 fprintf( outfile, " unsigned short name_%d_%d_name[%d];\n",
354 i, n, strlenW(name->name->str)+1 );
358 /* resource directory contents */
360 fprintf( outfile, "} resources = {\n" );
361 fprintf( outfile, " { 0, 0, 0, 0, %d, %d },\n", nb_types - nb_id_types, nb_id_types );
363 /* dump the type directory */
364 fprintf( outfile, " {\n" );
365 for (i = 0, type = res_types; i < nb_types; i++, type++)
367 if (!type->type->str)
368 fprintf( outfile, " { 0x%04x, OFFSETOF(name_%d_dir) | 0x80000000 },\n",
371 fprintf( outfile, " { OFFSETOF(type_%d_name) | 0x80000000, OFFSETOF(name_%d_dir) | 0x80000000 },\n",
374 fprintf( outfile, " },\n" );
376 /* dump the names and languages directories */
377 for (i = 0, type = res_types; i < nb_types; i++, type++)
379 fprintf( outfile, " { 0, 0, 0, 0, %d, %d }, /* name_%d_dir */\n {\n",
380 type->nb_names - type->nb_id_names, type->nb_id_names, i );
381 for (n = 0, name = type->names; n < type->nb_names; n++, name++)
383 if (!name->name->str)
384 fprintf( outfile, " { 0x%04x, OFFSETOF(lang_%d_%d_dir) | 0x80000000 },\n",
385 name->name->id, i, n );
387 fprintf( outfile, " { OFFSETOF(name_%d_%d_name) | 0x80000000, OFFSETOF(lang_%d_%d_dir) | 0x80000000 },\n",
390 fprintf( outfile, " },\n" );
392 for (n = 0, name = type->names; n < type->nb_names; n++, name++)
394 fprintf( outfile, " { 0, 0, 0, 0, 0, %d }, /* lang_%d_%d_dir */\n {\n",
395 name->nb_languages, i, n );
396 for (k = 0, res = name->res; k < name->nb_languages; k++, res++)
398 fprintf( outfile, " { 0x%04x, OFFSETOF(data_entries[%d]) },\n",
399 res->lang, res - resources );
401 fprintf( outfile, " },\n" );
405 /* dump the resource data entries */
406 fprintf( outfile, " {\n" );
407 for (i = 0, res = resources; i < nb_resources; i++, res++)
409 fprintf( outfile, " { res_%d, sizeof(res_%d), 0, 0 },\n", i, i );
412 /* dump the name strings */
413 for (i = 0, type = res_types; i < nb_types; i++, type++)
417 fprintf( outfile, " },\n { " );
418 output_string( outfile, type->type->str );
420 for (n = 0, name = type->names; n < type->nb_names; n++, name++)
424 fprintf( outfile, " },\n { " );
425 output_string( outfile, name->name->str );
429 fprintf( outfile, " }\n};\n#undef OFFSETOF\n\n" );