tools/winebuild/res16.c - wine - Git at Google

 /*
  * Builtin dlls resource support
  *
  * Copyright 2000 Alexandre Julliard
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */

 #include "config.h"
 #include "wine/port.h"

 #include <assert.h>
 #include <ctype.h>
 #include <stdlib.h>
 #include <string.h>
 #include <stdarg.h>
 #include <stdio.h>
 #ifdef HAVE_SYS_TYPES_H
 # include <sys/types.h>
 #endif
 #include <fcntl.h>
 #ifdef HAVE_SYS_STAT_H
 # include <sys/stat.h>
 #endif
 #ifdef HAVE_SYS_MMAN_H
 #include <sys/mman.h>
 #endif

 #include "windef.h"
 #include "winbase.h"
 #include "build.h"

 /* Unicode string or integer id */
 struct string_id
 {
     char  *str;  /* ptr to string */
     WORD   id;   /* integer id if str is NULL */
 };

 /* descriptor for a resource */
 struct resource
 {
     struct string_id type;
     struct string_id name;
     const void      *data;
     unsigned int     data_size;
     WORD             memopt;
 };

 /* type level of the resource tree */
 struct res_type
 {
     const struct string_id  *type;         /* type name */
     const struct resource   *res;          /* first resource of this type */
     unsigned int             nb_names;     /* total number of names */
 };

 /* top level of the resource tree */
 struct res_tree
 {
     struct res_type *types;                /* types array */
     unsigned int     nb_types;             /* total number of types */
 };

 static const unsigned char *file_pos;   /* current position in resource file */
 static const unsigned char *file_end;   /* end of resource file */
 static const char *file_name;  /* current resource file name */


 inline static struct resource *add_resource( DLLSPEC *spec )
 {
     spec->resources = xrealloc( spec->resources, (spec->nb_resources + 1) * sizeof(*spec->resources) );
     return &spec->resources[spec->nb_resources++];
 }

 static struct res_type *add_type( struct res_tree *tree, const struct resource *res )
 {
     struct res_type *type;
     tree->types = xrealloc( tree->types, (tree->nb_types + 1) * sizeof(*tree->types) );
     type = &tree->types[tree->nb_types++];
     type->type        = &res->type;
     type->res         = res;
     type->nb_names    = 0;
     return type;
 }

 /* get the next byte from the current resource file */
 static unsigned char get_byte(void)
 {
     unsigned char ret = *file_pos++;
     if (file_pos > file_end) fatal_error( "%s is a truncated/corrupted file\n", file_name );
     return ret;
 }

 /* get the next word from the current resource file */
 static WORD get_word(void)
 {
     /* might not be aligned */
 #ifdef WORDS_BIGENDIAN
     unsigned char high = get_byte();
     unsigned char low = get_byte();
 #else
     unsigned char low = get_byte();
     unsigned char high = get_byte();
 #endif
     return low | (high << 8);
 }

 /* get the next dword from the current resource file */
 static DWORD get_dword(void)
 {
 #ifdef WORDS_BIGENDIAN
     WORD high = get_word();
     WORD low = get_word();
 #else
     WORD low = get_word();
     WORD high = get_word();
 #endif
     return low | (high << 16);
 }

 /* get a string from the current resource file */
 static void get_string( struct string_id *str )
 {
     if (*file_pos == 0xff)
     {
         get_byte();  /* skip the 0xff */
         str->str = NULL;
         str->id = get_word();
     }
     else
     {
         char *p = xmalloc( (strlen((char*)file_pos) + 1) );
         str->str = p;
         str->id = 0;
         while ((*p++ = get_byte()));
     }
 }

 /* load the next resource from the current file */
 static void load_next_resource( DLLSPEC *spec )
 {
     struct resource *res = add_resource( spec );

     get_string( &res->type );
     get_string( &res->name );
     res->memopt    = get_word();
     res->data_size = get_dword();
     res->data      = file_pos;
     file_pos += res->data_size;
     if (file_pos > file_end) fatal_error( "%s is a truncated/corrupted file\n", file_name );
 }

 /* load a Win16 .res file */
 void load_res16_file( const char *name, DLLSPEC *spec )
 {
     int fd;
     void *base;
     struct stat st;

     if ((fd = open( name, O_RDONLY )) == -1) fatal_perror( "Cannot open %s", name );
     if ((fstat( fd, &st ) == -1)) fatal_perror( "Cannot stat %s", name );
     if (!st.st_size) fatal_error( "%s is an empty file\n", name );
 #ifdef	HAVE_MMAP
     if ((base = mmap( NULL, st.st_size, PROT_READ, MAP_PRIVATE, fd, 0 )) == (void*)-1)
 #endif	/* HAVE_MMAP */
     {
         base = xmalloc( st.st_size );
         if (read( fd, base, st.st_size ) != st.st_size)
             fatal_error( "Cannot read %s\n", name );
     }

     file_name = name;
     file_pos  = base;
     file_end  = file_pos + st.st_size;
     while (file_pos < file_end) load_next_resource( spec );
 }

 /* compare two strings/ids */
 static int cmp_string( const struct string_id *str1, const struct string_id *str2 )
 {
     if (!str1->str)
     {
         if (!str2->str) return str1->id - str2->id;
         return 1;  /* an id compares larger than a string */
     }
     if (!str2->str) return -1;
     return strcasecmp( str1->str, str2->str );
 }

 /* compare two resources for sorting the resource directory */
 /* resources are stored first by type, then by name */
 static int cmp_res( const void *ptr1, const void *ptr2 )
 {
     const struct resource *res1 = ptr1;
     const struct resource *res2 = ptr2;
     int ret;

     if ((ret = cmp_string( &res1->type, &res2->type ))) return ret;
     return cmp_string( &res1->name, &res2->name );
 }

 /* build the 2-level (type,name) resource tree */
 static struct res_tree *build_resource_tree( DLLSPEC *spec )
 {
     unsigned int i;
     struct res_tree *tree;
     struct res_type *type = NULL;

     qsort( spec->resources, spec->nb_resources, sizeof(*spec->resources), cmp_res );

     tree = xmalloc( sizeof(*tree) );
     tree->types = NULL;
     tree->nb_types = 0;

     for (i = 0; i < spec->nb_resources; i++)
     {
         if (!i || cmp_string( &spec->resources[i].type, &spec->resources[i-1].type ))  /* new type */
             type = add_type( tree, &spec->resources[i] );
         type->nb_names++;
     }
     return tree;
 }

 /* free the resource tree */
 static void free_resource_tree( struct res_tree *tree )
 {
     free( tree->types );
     free( tree );
 }

 /* output a string preceded by its length */
 static void output_string( FILE *outfile, const char *str )
 {
     unsigned int i, len = strlen(str);
     fprintf( outfile, "\t.byte 0x%02x", len );
     for (i = 0; i < len; i++) fprintf( outfile, ",0x%02x", (unsigned char)str[i] );
     fprintf( outfile, " /* %s */\n", str );
 }

 /* output the resource data */
 void output_res16_data( FILE *outfile, DLLSPEC *spec )
 {
     const struct resource *res;
     unsigned int i;

     if (!spec->nb_resources) return;

     for (i = 0, res = spec->resources; i < spec->nb_resources; i++, res++)
     {
         fprintf( outfile, ".L__wine_spec_resource_%u:\n", i );
         dump_bytes( outfile, res->data, res->data_size );
         fprintf( outfile, ".L__wine_spec_resource_%u_end:\n", i );
     }
 }

 /* output the resource definitions */
 void output_res16_directory( FILE *outfile, DLLSPEC *spec, const char *header_name )
 {
     unsigned int i, j;
     struct res_tree *tree;
     const struct res_type *type;
     const struct resource *res;

     tree = build_resource_tree( spec );

     fprintf( outfile, "\n.L__wine_spec_ne_rsrctab:\n" );
     fprintf( outfile, "\t%s 0\n", get_asm_short_keyword() );  /* alignment */

     /* type and name structures */

     for (i = 0, type = tree->types; i < tree->nb_types; i++, type++)
     {
         if (type->type->str)
             fprintf( outfile, "\t%s .L__wine_spec_restype_%u-.L__wine_spec_ne_rsrctab\n",
                      get_asm_short_keyword(), i );
         else
             fprintf( outfile, "\t%s 0x%04x\n", get_asm_short_keyword(), type->type->id | 0x8000 );

         fprintf( outfile, "\t%s %u,0,0\n", get_asm_short_keyword(), type->nb_names );

         for (j = 0, res = type->res; j < type->nb_names; j++, res++)
         {
             fprintf( outfile, "\t%s .L__wine_spec_resource_%u-%s\n",
                      get_asm_short_keyword(), res - spec->resources, header_name );
             fprintf( outfile, "\t%s .L__wine_spec_resource_%u_end-.L__wine_spec_resource_%u\n",
                      get_asm_short_keyword(), res - spec->resources, res - spec->resources );
             fprintf( outfile, "\t%s 0x%04x\n", get_asm_short_keyword(), res->memopt );
             if (res->name.str)
                 fprintf( outfile, "\t%s .L__wine_spec_resname_%u_%u-.L__wine_spec_ne_rsrctab\n",
                          get_asm_short_keyword(), i, j );
             else
                 fprintf( outfile, "\t%s 0x%04x\n", get_asm_short_keyword(), res->name.id | 0x8000 );

             fprintf( outfile, "\t%s 0,0\n", get_asm_short_keyword() );
         }
     }
     fprintf( outfile, "\t%s 0\n", get_asm_short_keyword() );  /* terminator */

     /* name strings */

     for (i = 0, type = tree->types; i < tree->nb_types; i++, type++)
     {
         if (type->type->str)
         {
             fprintf( outfile, ".L__wine_spec_restype_%u:\n", i );
             output_string( outfile, type->type->str );
         }
         for (j = 0, res = type->res; j < type->nb_names; j++, res++)
         {
             if (res->name.str)
             {
                 fprintf( outfile, ".L__wine_spec_resname_%u_%u:\n", i, j );
                 output_string( outfile, res->name.str );
             }
         }
     }
     fprintf( outfile, "\t.byte 0\n" );  /* names terminator */

     free_resource_tree( tree );
 }
	/*
	* Builtin dlls resource support
	*
	* Copyright 2000 Alexandre Julliard
	*
	* This library is free software; you can redistribute it and/or
	* modify it under the terms of the GNU Lesser General Public
	* License as published by the Free Software Foundation; either
	* version 2.1 of the License, or (at your option) any later version.
	*
	* This library is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	* Lesser General Public License for more details.
	*
	* You should have received a copy of the GNU Lesser General Public
	* License along with this library; if not, write to the Free Software
	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	*/

	#include "config.h"
	#include "wine/port.h"

	#include <assert.h>
	#include <ctype.h>
	#include <stdlib.h>
	#include <string.h>
	#include <stdarg.h>
	#include <stdio.h>
	#ifdef HAVE_SYS_TYPES_H
	# include <sys/types.h>
	#endif
	#include <fcntl.h>
	#ifdef HAVE_SYS_STAT_H
	# include <sys/stat.h>
	#endif
	#ifdef HAVE_SYS_MMAN_H
	#include <sys/mman.h>
	#endif

	#include "windef.h"
	#include "winbase.h"
	#include "build.h"

	/* Unicode string or integer id */
	struct string_id
	{
	char str; / ptr to string */
	WORD id; /* integer id if str is NULL */
	};

	/* descriptor for a resource */
	struct resource
	{
	struct string_id type;
	struct string_id name;
	const void *data;
	unsigned int data_size;
	WORD memopt;
	};

	/* type level of the resource tree */
	struct res_type
	{
	const struct string_id type; / type name */
	const struct resource res; / first resource of this type */
	unsigned int nb_names; /* total number of names */
	};

	/* top level of the resource tree */
	struct res_tree
	{
	struct res_type types; / types array */
	unsigned int nb_types; /* total number of types */
	};

	static const unsigned char file_pos; / current position in resource file */
	static const unsigned char file_end; / end of resource file */
	static const char file_name; / current resource file name */


	inline static struct resource add_resource( DLLSPEC spec )
	{
	spec->resources = xrealloc( spec->resources, (spec->nb_resources + 1) * sizeof(*spec->resources) );
	return &spec->resources[spec->nb_resources++];
	}

	static struct res_type add_type( struct res_tree tree, const struct resource *res )
	{
	struct res_type *type;
	tree->types = xrealloc( tree->types, (tree->nb_types + 1) * sizeof(*tree->types) );
	type = &tree->types[tree->nb_types++];
	type->type = &res->type;
	type->res = res;
	type->nb_names = 0;
	return type;
	}

	/* get the next byte from the current resource file */
	static unsigned char get_byte(void)
	{
	unsigned char ret = *file_pos++;
	if (file_pos > file_end) fatal_error( "%s is a truncated/corrupted file\n", file_name );
	return ret;
	}

	/* get the next word from the current resource file */
	static WORD get_word(void)
	{
	/* might not be aligned */
	#ifdef WORDS_BIGENDIAN
	unsigned char high = get_byte();
	unsigned char low = get_byte();
	#else
	unsigned char low = get_byte();
	unsigned char high = get_byte();
	#endif
	return low \| (high << 8);
	}

	/* get the next dword from the current resource file */
	static DWORD get_dword(void)
	{
	#ifdef WORDS_BIGENDIAN
	WORD high = get_word();
	WORD low = get_word();
	#else
	WORD low = get_word();
	WORD high = get_word();
	#endif
	return low \| (high << 16);
	}

	/* get a string from the current resource file */
	static void get_string( struct string_id *str )
	{
	if (*file_pos == 0xff)
	{
	get_byte(); /* skip the 0xff */
	str->str = NULL;
	str->id = get_word();
	}
	else
	{
	char p = xmalloc( (strlen((char)file_pos) + 1) );
	str->str = p;
	str->id = 0;
	while ((*p++ = get_byte()));
	}
	}

	/* load the next resource from the current file */
	static void load_next_resource( DLLSPEC *spec )
	{
	struct resource *res = add_resource( spec );

	get_string( &res->type );
	get_string( &res->name );
	res->memopt = get_word();
	res->data_size = get_dword();
	res->data = file_pos;
	file_pos += res->data_size;
	if (file_pos > file_end) fatal_error( "%s is a truncated/corrupted file\n", file_name );
	}

	/* load a Win16 .res file */
	void load_res16_file( const char name, DLLSPEC spec )
	{
	int fd;
	void *base;
	struct stat st;

	if ((fd = open( name, O_RDONLY )) == -1) fatal_perror( "Cannot open %s", name );
	if ((fstat( fd, &st ) == -1)) fatal_perror( "Cannot stat %s", name );
	if (!st.st_size) fatal_error( "%s is an empty file\n", name );
	#ifdef HAVE_MMAP
	if ((base = mmap( NULL, st.st_size, PROT_READ, MAP_PRIVATE, fd, 0 )) == (void*)-1)
	#endif /* HAVE_MMAP */
	{
	base = xmalloc( st.st_size );
	if (read( fd, base, st.st_size ) != st.st_size)
	fatal_error( "Cannot read %s\n", name );
	}

	file_name = name;
	file_pos = base;
	file_end = file_pos + st.st_size;
	while (file_pos < file_end) load_next_resource( spec );
	}

	/* compare two strings/ids */
	static int cmp_string( const struct string_id str1, const struct string_id str2 )
	{
	if (!str1->str)
	{
	if (!str2->str) return str1->id - str2->id;
	return 1; /* an id compares larger than a string */
	}
	if (!str2->str) return -1;
	return strcasecmp( str1->str, str2->str );
	}

	/* compare two resources for sorting the resource directory */
	/* resources are stored first by type, then by name */
	static int cmp_res( const void ptr1, const void ptr2 )
	{
	const struct resource *res1 = ptr1;
	const struct resource *res2 = ptr2;
	int ret;

	if ((ret = cmp_string( &res1->type, &res2->type ))) return ret;
	return cmp_string( &res1->name, &res2->name );
	}

	/* build the 2-level (type,name) resource tree */
	static struct res_tree build_resource_tree( DLLSPEC spec )
	{
	unsigned int i;
	struct res_tree *tree;
	struct res_type *type = NULL;

	qsort( spec->resources, spec->nb_resources, sizeof(*spec->resources), cmp_res );

	tree = xmalloc( sizeof(*tree) );
	tree->types = NULL;
	tree->nb_types = 0;

	for (i = 0; i < spec->nb_resources; i++)
	{
	if (!i \|\| cmp_string( &spec->resources[i].type, &spec->resources[i-1].type )) /* new type */
	type = add_type( tree, &spec->resources[i] );
	type->nb_names++;
	}
	return tree;
	}

	/* free the resource tree */
	static void free_resource_tree( struct res_tree *tree )
	{
	free( tree->types );
	free( tree );
	}

	/* output a string preceded by its length */
	static void output_string( FILE outfile, const char str )
	{
	unsigned int i, len = strlen(str);
	fprintf( outfile, "\t.byte 0x%02x", len );
	for (i = 0; i < len; i++) fprintf( outfile, ",0x%02x", (unsigned char)str[i] );
	fprintf( outfile, " /* %s */\n", str );
	}

	/* output the resource data */
	void output_res16_data( FILE outfile, DLLSPEC spec )
	{
	const struct resource *res;
	unsigned int i;

	if (!spec->nb_resources) return;

	for (i = 0, res = spec->resources; i < spec->nb_resources; i++, res++)
	{
	fprintf( outfile, ".L__wine_spec_resource_%u:\n", i );
	dump_bytes( outfile, res->data, res->data_size );
	fprintf( outfile, ".L__wine_spec_resource_%u_end:\n", i );
	}
	}

	/* output the resource definitions */
	void output_res16_directory( FILE outfile, DLLSPEC spec, const char *header_name )
	{
	unsigned int i, j;
	struct res_tree *tree;
	const struct res_type *type;
	const struct resource *res;

	tree = build_resource_tree( spec );

	fprintf( outfile, "\n.L__wine_spec_ne_rsrctab:\n" );
	fprintf( outfile, "\t%s 0\n", get_asm_short_keyword() ); /* alignment */

	/* type and name structures */

	for (i = 0, type = tree->types; i < tree->nb_types; i++, type++)
	{
	if (type->type->str)
	fprintf( outfile, "\t%s .L__wine_spec_restype_%u-.L__wine_spec_ne_rsrctab\n",
	get_asm_short_keyword(), i );
	else
	fprintf( outfile, "\t%s 0x%04x\n", get_asm_short_keyword(), type->type->id \| 0x8000 );

	fprintf( outfile, "\t%s %u,0,0\n", get_asm_short_keyword(), type->nb_names );

	for (j = 0, res = type->res; j < type->nb_names; j++, res++)
	{
	fprintf( outfile, "\t%s .L__wine_spec_resource_%u-%s\n",
	get_asm_short_keyword(), res - spec->resources, header_name );
	fprintf( outfile, "\t%s .L__wine_spec_resource_%u_end-.L__wine_spec_resource_%u\n",
	get_asm_short_keyword(), res - spec->resources, res - spec->resources );
	fprintf( outfile, "\t%s 0x%04x\n", get_asm_short_keyword(), res->memopt );
	if (res->name.str)
	fprintf( outfile, "\t%s .L__wine_spec_resname_%u_%u-.L__wine_spec_ne_rsrctab\n",
	get_asm_short_keyword(), i, j );
	else
	fprintf( outfile, "\t%s 0x%04x\n", get_asm_short_keyword(), res->name.id \| 0x8000 );

	fprintf( outfile, "\t%s 0,0\n", get_asm_short_keyword() );
	}
	}
	fprintf( outfile, "\t%s 0\n", get_asm_short_keyword() ); /* terminator */

	/* name strings */

	for (i = 0, type = tree->types; i < tree->nb_types; i++, type++)
	{
	if (type->type->str)
	{
	fprintf( outfile, ".L__wine_spec_restype_%u:\n", i );
	output_string( outfile, type->type->str );
	}
	for (j = 0, res = type->res; j < type->nb_names; j++, res++)
	{
	if (res->name.str)
	{
	fprintf( outfile, ".L__wine_spec_resname_%u_%u:\n", i, j );
	output_string( outfile, res->name.str );
	}
	}
	}
	fprintf( outfile, "\t.byte 0\n" ); /* names terminator */

	free_resource_tree( tree );
	}