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mpv/loader/resource.c

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/*
* Resources
*
* Copyright 1993 Robert J. Amstadt
* Copyright 1995 Alexandre Julliard
*
* Modified for use with MPlayer, detailed changelog at
* http://svn.mplayerhq.hu/mplayer/trunk/
*
*/
#include "config.h"
#include "debug.h"
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include "wine/winbase.h"
#include "wine/windef.h"
#include "wine/winuser.h"
#include "wine/heap.h"
#include "wine/module.h"
#include "wine/debugtools.h"
#include "wine/winerror.h"
#include "loader.h"
#define CP_ACP 0
WORD WINE_LanguageId=0x409;//english
#define HRSRC_MAP_BLOCKSIZE 16
typedef struct HRSRC_ELEM
{
HANDLE hRsrc;
WORD type;
} HRSRC_ELEM;
typedef struct HRSRC_MAP
{
int nAlloc;
int nUsed;
HRSRC_ELEM *elem;
} HRSRC_MAP;
static HRSRC RES_FindResource2( HMODULE hModule, LPCSTR type,
LPCSTR name, WORD lang, int unicode)
{
HRSRC hRsrc = 0;
LPWSTR typeStr, nameStr;
WINE_MODREF *wm = MODULE32_LookupHMODULE( hModule );
if(!wm)
return 0;
/* 32-bit PE module */
if ( HIWORD( type ) && (!unicode))
typeStr = HEAP_strdupAtoW( GetProcessHeap(), 0, type );
else
typeStr = (LPWSTR)type;
if ( HIWORD( name ) && (!unicode))
nameStr = HEAP_strdupAtoW( GetProcessHeap(), 0, name );
else
nameStr = (LPWSTR)name;
hRsrc = PE_FindResourceExW( wm, nameStr, typeStr, lang );
if ( HIWORD( type ) && (!unicode))
HeapFree( GetProcessHeap(), 0, typeStr );
if ( HIWORD( name ) && (!unicode))
HeapFree( GetProcessHeap(), 0, nameStr );
return hRsrc;
}
/**********************************************************************
* RES_FindResource
*/
static HRSRC RES_FindResource( HMODULE hModule, LPCSTR type,
LPCSTR name, WORD lang, int unicode )
{
HRSRC hRsrc;
// __TRY
// {
hRsrc = RES_FindResource2(hModule, type, name, lang, unicode);
// }
// __EXCEPT(page_fault)
// {
// WARN("page fault\n");
// SetLastError(ERROR_INVALID_PARAMETER);
// return 0;
// }
// __ENDTRY
return hRsrc;
}
/**********************************************************************
* RES_SizeofResource
*/
static DWORD RES_SizeofResource( HMODULE hModule, HRSRC hRsrc)
{
DWORD size = 0;
// HRSRC hRsrc32;
// HMODULE16 hMod16 = MapHModuleLS( hModule );
// NE_MODULE *pModule = NE_GetPtr( hMod16 );
// WINE_MODREF *wm = pModule && pModule->module32?
// MODULE32_LookupHMODULE( pModule->module32 ) : NULL;
// WINE_MODREF *wm = MODULE32_LookupHMODULE( hModule );
if ( !hModule || !hRsrc ) return 0;
/* 32-bit PE module */
/* If we got a 16-bit hRsrc, convert it */
// hRsrc32 = HIWORD(hRsrc)? hRsrc : MapHRsrc16To32( pModule, hRsrc );
if(!HIWORD(hRsrc))
{
printf("16-bit hRsrcs not supported\n");
return 0;
}
size = PE_SizeofResource( hModule, hRsrc );
return size;
}
/**********************************************************************
* RES_AccessResource
*/
static HFILE RES_AccessResource( HMODULE hModule, HRSRC hRsrc )
{
HFILE hFile = HFILE_ERROR;
// WINE_MODREF *wm = MODULE32_LookupHMODULE( hModule );
if ( !hModule || !hRsrc ) return HFILE_ERROR;
/* 32-bit PE module */
FIXME("32-bit modules not yet supported.\n" );
hFile = HFILE_ERROR;
return hFile;
}
/**********************************************************************
* RES_LoadResource
*/
static HGLOBAL RES_LoadResource( HMODULE hModule, HRSRC hRsrc)
{
HGLOBAL hMem = 0;
// HRSRC hRsrc32;
WINE_MODREF *wm = MODULE32_LookupHMODULE( hModule );
if ( !hModule || !hRsrc ) return 0;
/* 32-bit PE module */
/* If we got a 16-bit hRsrc, convert it */
// hRsrc32 = HIWORD(hRsrc)? hRsrc : MapHRsrc16To32( pModule, hRsrc );
if(!HIWORD(hRsrc))
{
printf("16-bit hRsrcs not supported\n");
return 0;
}
hMem = PE_LoadResource( wm, hRsrc );
return hMem;
}
/**********************************************************************
* RES_LockResource
*/
static LPVOID RES_LockResource( HGLOBAL handle )
{
LPVOID bits = NULL;
TRACE("(%08x, %s)\n", handle, "PE" );
bits = (LPVOID)handle;
return bits;
}
/**********************************************************************
* RES_FreeResource
*/
static WIN_BOOL RES_FreeResource( HGLOBAL handle )
{
HGLOBAL retv = handle;
return (WIN_BOOL)retv;
}
/**********************************************************************
* FindResourceA (KERNEL32.128)
*/
HANDLE WINAPI FindResourceA( HMODULE hModule, LPCSTR name, LPCSTR type )
{
return RES_FindResource( hModule, type, name,
WINE_LanguageId, 0);
}
HANDLE WINAPI FindResourceW( HMODULE hModule, LPCWSTR name, LPCWSTR type )
{
return RES_FindResource( hModule, (LPCSTR)type, (LPCSTR)name,
WINE_LanguageId, 1);
}
/**********************************************************************
* FindResourceExA (KERNEL32.129)
*/
HANDLE WINAPI FindResourceExA( HMODULE hModule,
LPCSTR type, LPCSTR name, WORD lang )
{
return RES_FindResource( hModule, type, name,
lang, 0 );
}
HANDLE WINAPI FindResourceExW( HMODULE hModule,
LPCWSTR type, LPCWSTR name, WORD lang )
{
return RES_FindResource( hModule, (LPCSTR)type, (LPCSTR)name,
lang, 1 );
}
/**********************************************************************
* LockResource (KERNEL32.384)
*/
LPVOID WINAPI LockResource( HGLOBAL handle )
{
return RES_LockResource( handle );
}
/**********************************************************************
* FreeResource (KERNEL32.145)
*/
WIN_BOOL WINAPI FreeResource( HGLOBAL handle )
{
return RES_FreeResource( handle );
}
/**********************************************************************
* AccessResource (KERNEL32.64)
*/
INT WINAPI AccessResource( HMODULE hModule, HRSRC hRsrc )
{
return RES_AccessResource( hModule, hRsrc );
}
/**********************************************************************
* SizeofResource (KERNEL32.522)
*/
DWORD WINAPI SizeofResource( HINSTANCE hModule, HRSRC hRsrc )
{
return RES_SizeofResource( hModule, hRsrc );
}
INT WINAPI LoadStringW( HINSTANCE instance, UINT resource_id,
LPWSTR buffer, INT buflen );
/**********************************************************************
* LoadStringA (USER32.375)
*/
INT WINAPI LoadStringA( HINSTANCE instance, UINT resource_id,
LPSTR buffer, INT buflen )
{
INT retval;
INT wbuflen;
INT abuflen;
LPWSTR wbuf = NULL;
LPSTR abuf = NULL;
if ( buffer != NULL && buflen > 0 )
*buffer = 0;
wbuflen = LoadStringW(instance,resource_id,NULL,0);
if ( !wbuflen )
return 0;
wbuflen ++;
retval = 0;
wbuf = (LPWSTR) HeapAlloc( GetProcessHeap(), 0, wbuflen * sizeof(WCHAR) );
wbuflen = LoadStringW(instance,resource_id,wbuf,wbuflen);
if ( wbuflen > 0 )
{
abuflen = WideCharToMultiByte(CP_ACP,0,wbuf,wbuflen,NULL,0,NULL,NULL);
if ( abuflen > 0 )
{
if ( buffer == NULL || buflen == 0 )
retval = abuflen;
else
{
abuf = (LPSTR) HeapAlloc( GetProcessHeap(), 0, abuflen * sizeof(CHAR) );
abuflen = WideCharToMultiByte(CP_ACP,0,wbuf,wbuflen,abuf,abuflen,NULL,NULL);
if ( abuflen > 0 )
{
abuflen = min(abuflen,buflen - 1);
memcpy( buffer, abuf, abuflen );
buffer[abuflen] = 0;
retval = abuflen;
}
HeapFree( GetProcessHeap(), 0, abuf );
}
}
}
HeapFree( GetProcessHeap(), 0, wbuf );
return retval;
}
/**********************************************************************
* LoadStringW (USER32.376)
*/
INT WINAPI LoadStringW( HINSTANCE instance, UINT resource_id,
LPWSTR buffer, INT buflen )
{
HGLOBAL hmem;
HRSRC hrsrc;
WCHAR *p;
int string_num;
int i;
if (HIWORD(resource_id)==0xFFFF) /* netscape 3 passes this */
resource_id = (UINT)(-((INT)resource_id));
TRACE("instance = %04x, id = %04x, buffer = %08x, "
"length = %d\n", instance, (int)resource_id, (int) buffer, buflen);
/* Use bits 4 - 19 (incremented by 1) as resourceid, mask out
* 20 - 31. */
hrsrc = FindResourceW( instance, (LPCWSTR)(((resource_id>>4)&0xffff)+1),
RT_STRINGW );
if (!hrsrc) return 0;
hmem = LoadResource( instance, hrsrc );
if (!hmem) return 0;
p = (WCHAR*) LockResource(hmem);
string_num = resource_id & 0x000f;
for (i = 0; i < string_num; i++)
p += *p + 1;
TRACE("strlen = %d\n", (int)*p );
if (buffer == NULL) return *p;
i = min(buflen - 1, *p);
if (i > 0) {
memcpy(buffer, p + 1, i * sizeof (WCHAR));
buffer[i] = (WCHAR) 0;
} else {
if (buflen > 1) {
buffer[0] = (WCHAR) 0;
return 0;
}
#if 0
WARN("Don't know why caller give buflen=%d *p=%d trying to obtain string '%s'\n", buflen, *p, p + 1);
#endif
}
TRACE("String loaded !\n");
return i;
}
/* Messages...used by FormatMessage32* (KERNEL32.something)
*
* They can be specified either directly or using a message ID and
* loading them from the resource.
*
* The resourcedata has following format:
* start:
* 0: DWORD nrofentries
* nrofentries * subentry:
* 0: DWORD firstentry
* 4: DWORD lastentry
* 8: DWORD offset from start to the stringentries
*
* (lastentry-firstentry) * stringentry:
* 0: WORD len (0 marks end)
* 2: WORD flags
* 4: CHAR[len-4]
* (stringentry i of a subentry refers to the ID 'firstentry+i')
*
* Yes, ANSI strings in win32 resources. Go figure.
*/
/**********************************************************************
* LoadMessageA (internal)
*/
INT WINAPI LoadMessageA( HMODULE instance, UINT id, WORD lang,
LPSTR buffer, INT buflen )
{
HGLOBAL hmem;
HRSRC hrsrc;
PMESSAGE_RESOURCE_DATA mrd;
PMESSAGE_RESOURCE_BLOCK mrb;
PMESSAGE_RESOURCE_ENTRY mre;
int i,slen;
TRACE("instance = %08lx, id = %08lx, buffer = %p, length = %ld\n", (DWORD)instance, (DWORD)id, buffer, (DWORD)buflen);
/*FIXME: I am not sure about the '1' ... But I've only seen those entries*/
hrsrc = FindResourceExW(instance,RT_MESSAGELISTW,(LPWSTR)1,lang);
if (!hrsrc) return 0;
hmem = LoadResource( instance, hrsrc );
if (!hmem) return 0;
mrd = (PMESSAGE_RESOURCE_DATA)LockResource(hmem);
mre = NULL;
mrb = &(mrd->Blocks[0]);
for (i=mrd->NumberOfBlocks;i--;) {
if ((id>=mrb->LowId) && (id<=mrb->HighId)) {
mre = (PMESSAGE_RESOURCE_ENTRY)(((char*)mrd)+mrb->OffsetToEntries);
id -= mrb->LowId;
break;
}
mrb++;
}
if (!mre)
return 0;
for (i=id;i--;) {
if (!mre->Length)
return 0;
mre = (PMESSAGE_RESOURCE_ENTRY)(((char*)mre)+(mre->Length));
}
slen=mre->Length;
TRACE(" - strlen=%d\n",slen);
i = min(buflen - 1, slen);
if (buffer == NULL)
return slen;
if (i>0) {
lstrcpynA(buffer,(char*)mre->Text,i);
buffer[i]=0;
} else {
if (buflen>1) {
buffer[0]=0;
return 0;
}
}
if (buffer)
TRACE("'%s' copied !\n", buffer);
return i;
}
/**********************************************************************
* EnumResourceTypesA (KERNEL32.90)
*/
WIN_BOOL WINAPI EnumResourceTypesA( HMODULE hmodule,ENUMRESTYPEPROCA lpfun,
LONG lParam)
{
/* FIXME: move WINE_MODREF stuff here */
return PE_EnumResourceTypesA(hmodule,lpfun,lParam);
}
/**********************************************************************
* EnumResourceNamesA (KERNEL32.88)
*/
WIN_BOOL WINAPI EnumResourceNamesA( HMODULE hmodule, LPCSTR type,
ENUMRESNAMEPROCA lpfun, LONG lParam )
{
/* FIXME: move WINE_MODREF stuff here */
return PE_EnumResourceNamesA(hmodule,type,lpfun,lParam);
}
/**********************************************************************
* EnumResourceLanguagesA (KERNEL32.86)
*/
WIN_BOOL WINAPI EnumResourceLanguagesA( HMODULE hmodule, LPCSTR type,
LPCSTR name, ENUMRESLANGPROCA lpfun,
LONG lParam)
{
/* FIXME: move WINE_MODREF stuff here */
return PE_EnumResourceLanguagesA(hmodule,type,name,lpfun,lParam);
}
/**********************************************************************
* LoadResource (KERNEL32.370)
*/
HGLOBAL WINAPI LoadResource( HINSTANCE hModule, HRSRC hRsrc )
{
return RES_LoadResource( hModule, hRsrc);
}
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