tools/winebuild/res16.c

   1 /*
   2  * Builtin dlls resource support
   3  *
   4  * Copyright 2000 Alexandre Julliard
   5  *
   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.
  10  *
  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.
  15  *
  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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "config.h"
  22 #include "wine/port.h"
  23
  24 #include <assert.h>
  25 #include <ctype.h>
  26 #include <stdlib.h>
  27 #include <string.h>
  28 #include <stdarg.h>
  29 #include <stdio.h>
  30 #ifdef HAVE_SYS_TYPES_H
  31 # include <sys/types.h>
  32 #endif
  33 #include <fcntl.h>
  34
  35 #include "build.h"
  36
  37 /* Unicode string or integer id */
  38 struct string_id
  39 {
  40     char  *str;  /* ptr to string */
  41     unsigned short id;   /* integer id if str is NULL */
  42 };
  43
  44 /* descriptor for a resource */
  45 struct resource
  46 {
  47     struct string_id type;
  48     struct string_id name;
  49     const void      *data;
  50     unsigned int     name_offset;
  51     unsigned int     data_size;
  52     unsigned int     memopt;
  53 };
  54
  55 /* type level of the resource tree */
  56 struct res_type
  57 {
  58     const struct string_id  *type;         /* type name */
  59     struct resource         *res;          /* first resource of this type */
  60     unsigned int             name_offset;  /* name offset if string */
  61     unsigned int             nb_names;     /* total number of names */
  62 };
  63
  64 /* top level of the resource tree */
  65 struct res_tree
  66 {
  67     struct res_type *types;                /* types array */
  68     unsigned int     nb_types;             /* total number of types */
  69 };
  70
  71
  72 static inline struct resource *add_resource( DLLSPEC *spec )
  73 {
  74     spec->resources = xrealloc( spec->resources, (spec->nb_resources + 1) * sizeof(*spec->resources) );
  75     return &spec->resources[spec->nb_resources++];
  76 }
  77
  78 static struct res_type *add_type( struct res_tree *tree, struct resource *res )
  79 {
  80     struct res_type *type;
  81     tree->types = xrealloc( tree->types, (tree->nb_types + 1) * sizeof(*tree->types) );
  82     type = &tree->types[tree->nb_types++];
  83     type->type        = &res->type;
  84     type->res         = res;
  85     type->nb_names    = 0;
  86     return type;
  87 }
  88
  89 /* get a string from the current resource file */
  90 static void get_string( struct string_id *str )
  91 {
  92     unsigned char c = get_byte();
  93
  94     if (c == 0xff)
  95     {
  96         str->str = NULL;
  97         str->id = get_word();
  98     }
  99     else
 100     {
 101         str->str = (char *)input_buffer + input_buffer_pos - 1;
 102         str->id = 0;
 103         while (get_byte()) /* nothing */;
 104     }
 105 }
 106
 107 /* load the next resource from the current file */
 108 static void load_next_resource( DLLSPEC *spec )
 109 {
 110     struct resource *res = add_resource( spec );
 111
 112     get_string( &res->type );
 113     get_string( &res->name );
 114     res->memopt    = get_word();
 115     res->data_size = get_dword();
 116     res->data      = input_buffer + input_buffer_pos;
 117     input_buffer_pos += res->data_size;
 118     if (input_buffer_pos > input_buffer_size)
 119         fatal_error( "%s is a truncated/corrupted file\n", input_buffer_filename );
 120 }
 121
 122 /* load a Win16 .res file */
 123 void load_res16_file( const char *name, DLLSPEC *spec )
 124 {
 125     init_input_buffer( name );
 126     while (input_buffer_pos < input_buffer_size) load_next_resource( spec );
 127 }
 128
 129 /* compare two strings/ids */
 130 static int cmp_string( const struct string_id *str1, const struct string_id *str2 )
 131 {
 132     if (!str1->str)
 133     {
 134         if (!str2->str) return str1->id - str2->id;
 135         return 1;  /* an id compares larger than a string */
 136     }
 137     if (!str2->str) return -1;
 138     return strcasecmp( str1->str, str2->str );
 139 }
 140
 141 /* compare two resources for sorting the resource directory */
 142 /* resources are stored first by type, then by name */
 143 static int cmp_res( const void *ptr1, const void *ptr2 )
 144 {
 145     const struct resource *res1 = ptr1;
 146     const struct resource *res2 = ptr2;
 147     int ret;
 148
 149     if ((ret = cmp_string( &res1->type, &res2->type ))) return ret;
 150     return cmp_string( &res1->name, &res2->name );
 151 }
 152
 153 /* build the 2-level (type,name) resource tree */
 154 static struct res_tree *build_resource_tree( DLLSPEC *spec )
 155 {
 156     unsigned int i, j, offset;
 157     struct res_tree *tree;
 158     struct res_type *type = NULL;
 159     struct resource *res;
 160
 161     qsort( spec->resources, spec->nb_resources, sizeof(*spec->resources), cmp_res );
 162
 163     offset = 2;  /* alignment */
 164     tree = xmalloc( sizeof(*tree) );
 165     tree->types = NULL;
 166     tree->nb_types = 0;
 167
 168     for (i = 0; i < spec->nb_resources; i++)
 169     {
 170         if (!i || cmp_string( &spec->resources[i].type, &spec->resources[i-1].type ))  /* new type */
 171         {
 172             type = add_type( tree, &spec->resources[i] );
 173             offset += 8;
 174         }
 175         type->nb_names++;
 176         offset += 12;
 177     }
 178     offset += 2;  /* terminator */
 179
 180     for (i = 0, type = tree->types; i < tree->nb_types; i++, type++)
 181     {
 182         if (type->type->str)
 183         {
 184             type->name_offset = offset;
 185             offset += strlen(type->type->str) + 1;
 186         }
 187         else type->name_offset = type->type->id | 0x8000;
 188
 189         for (j = 0, res = type->res; j < type->nb_names; j++, res++)
 190         {
 191             if (res->name.str)
 192             {
 193                 res->name_offset = offset;
 194                 offset += strlen(res->name.str) + 1;
 195             }
 196             else res->name_offset = res->name.id | 0x8000;
 197         }
 198     }
 199     return tree;
 200 }
 201
 202 /* free the resource tree */
 203 static void free_resource_tree( struct res_tree *tree )
 204 {
 205     free( tree->types );
 206     free( tree );
 207 }
 208
 209 /* output a string preceded by its length */
 210 static void output_string( const char *str )
 211 {
 212     unsigned int i, len = strlen(str);
 213     output( "\t.byte 0x%02x", len );
 214     for (i = 0; i < len; i++) output( ",0x%02x", (unsigned char)str[i] );
 215     output( " /* %s */\n", str );
 216 }
 217
 218 /* output a string preceded by its length in binary format*/
 219 static void output_bin_string( const char *str )
 220 {
 221     put_byte( strlen(str) );
 222     while (*str) put_byte( *str++ );
 223 }
 224
 225 /* output the resource data */
 226 void output_res16_data( DLLSPEC *spec )
 227 {
 228     const struct resource *res;
 229     unsigned int i;
 230
 231     for (i = 0, res = spec->resources; i < spec->nb_resources; i++, res++)
 232     {
 233         output( ".L__wine_spec_resource_%u:\n", i );
 234         dump_bytes( res->data, res->data_size );
 235     }
 236 }
 237
 238 /* output the resource definitions */
 239 void output_res16_directory( DLLSPEC *spec )
 240 {
 241     unsigned int i, j;
 242     struct res_tree *tree;
 243     const struct res_type *type;
 244     const struct resource *res;
 245
 246     tree = build_resource_tree( spec );
 247
 248     output( "\n.L__wine_spec_ne_rsrctab:\n" );
 249     output( "\t%s 0\n", get_asm_short_keyword() );  /* alignment */
 250
 251     /* type and name structures */
 252
 253     for (i = 0, type = tree->types; i < tree->nb_types; i++, type++)
 254     {
 255         output( "\t%s 0x%04x,%u,0,0\n", get_asm_short_keyword(), type->name_offset, type->nb_names );
 256
 257         for (j = 0, res = type->res; j < type->nb_names; j++, res++)
 258         {
 259             output( "\t%s .L__wine_spec_resource_%lu-.L__wine_spec_dos_header,%u\n",
 260                     get_asm_short_keyword(), (unsigned long)(res - spec->resources), res->data_size );
 261             output( "\t%s 0x%04x,0x%04x,0,0\n", get_asm_short_keyword(), res->memopt, res->name_offset );
 262         }
 263     }
 264     output( "\t%s 0\n", get_asm_short_keyword() );  /* terminator */
 265
 266     /* name strings */
 267
 268     for (i = 0, type = tree->types; i < tree->nb_types; i++, type++)
 269     {
 270         if (type->type->str) output_string( type->type->str );
 271         for (j = 0, res = type->res; j < type->nb_names; j++, res++)
 272             if (res->name.str) output_string( res->name.str );
 273     }
 274     output( "\t.byte 0\n" );  /* names terminator */
 275
 276     free_resource_tree( tree );
 277 }
 278
 279 /* output the resource data in binary format */
 280 void output_bin_res16_data( DLLSPEC *spec )
 281 {
 282     const struct resource *res;
 283     unsigned int i;
 284
 285     for (i = 0, res = spec->resources; i < spec->nb_resources; i++, res++)
 286         put_data( res->data, res->data_size );
 287 }
 288
 289 /* output the resource definitions in binary format */
 290 void output_bin_res16_directory( DLLSPEC *spec, unsigned int data_offset )
 291 {
 292     unsigned int i, j;
 293     struct res_tree *tree;
 294     const struct res_type *type;
 295     const struct resource *res;
 296
 297     tree = build_resource_tree( spec );
 298
 299     put_word( 0 );  /* alignment */
 300
 301     /* type and name structures */
 302
 303     for (i = 0, type = tree->types; i < tree->nb_types; i++, type++)
 304     {
 305         put_word( type->name_offset );
 306         put_word( type->nb_names );
 307         put_word( 0 );
 308         put_word( 0 );
 309
 310         for (j = 0, res = type->res; j < type->nb_names; j++, res++)
 311         {
 312             put_word( data_offset );
 313             put_word( res->data_size );
 314             put_word( res->memopt );
 315             put_word( res->name_offset );
 316             put_word( 0 );
 317             put_word( 0 );
 318             data_offset += res->data_size;
 319         }
 320     }
 321     put_word( 0 );  /* terminator */
 322
 323     /* name strings */
 324
 325     for (i = 0, type = tree->types; i < tree->nb_types; i++, type++)
 326     {
 327         if (type->type->str) output_bin_string( type->type->str );
 328         for (j = 0, res = type->res; j < type->nb_names; j++, res++)
 329             if (res->name.str) output_bin_string( res->name.str );
 330     }
 331     put_byte( 0 );  /* names terminator */
 332
 333     free_resource_tree( tree );
 334 }