90 lines
2.4 KiB
C++
90 lines
2.4 KiB
C++
|
// Copyright (C) 1997-1998 Microsoft Corporation. All rights reserved.
|
||
|
|
|
||
|
|
#include "header.h"
|
||
|
|
#include <msi.h>
|
||
|
|
|
||
|
|
extern HMODULE g_hmodMSI; // msi.dll module handle
|
||
|
|
|
||
|
|
static const char txtMsiProvideQualifiedComponent[] = "MsiProvideQualifiedComponentA";
|
||
|
|
static const char txtMsiDll[] = "Msi.dll";
|
||
|
|
|
||
|
|
UINT (WINAPI *pMsiProvideQualifiedComponent)(LPCSTR szCategory, LPCSTR szQualifier, DWORD dwInstallMode, LPSTR lpPathBuf, DWORD *pcchPathBuf);
|
||
|
|
|
||
|
|
/***************************************************************************
|
||
|
|
|
||
|
|
FUNCTION: FindDarwinURL
|
||
|
|
|
||
|
|
PURPOSE: Given a GUID and CHM filename, find the full path to the
|
||
|
|
CHM file using Darwin.
|
||
|
|
|
||
|
|
PARAMETERS:
|
||
|
|
pszGUID
|
||
|
|
pszChmFile
|
||
|
|
cszResult
|
||
|
|
|
||
|
|
RETURNS:
|
||
|
|
|
||
|
|
COMMENTS:
|
||
|
|
|
||
|
|
MODIFICATION DATES:
|
||
|
|
01-Dec-1997 [ralphw]
|
||
|
|
|
||
|
|
***************************************************************************/
|
||
|
|
|
||
|
|
BOOL FindDarwinURL(PCSTR pszGUID, PCSTR pszChmFile, CStr* pcszResult)
|
||
|
|
{
|
||
|
|
if (!pMsiProvideQualifiedComponent) {
|
||
|
|
if (!g_hmodMSI) {
|
||
|
|
g_hmodMSI = LoadLibrary(txtMsiDll);
|
||
|
|
ASSERT_COMMENT(g_hmodMSI, "Cannot load msi.dll");
|
||
|
|
if (!g_hmodMSI)
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
(FARPROC&) pMsiProvideQualifiedComponent = GetProcAddress(g_hmodMSI,
|
||
|
|
txtMsiProvideQualifiedComponent);
|
||
|
|
ASSERT_COMMENT(pMsiProvideQualifiedComponent, "Cannot find the MsiProvideQualifiedComponent in msi.dll");
|
||
|
|
if (!pMsiProvideQualifiedComponent)
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
char szPath[MAX_PATH];
|
||
|
|
DWORD cb = sizeof(szPath);
|
||
|
|
|
||
|
|
// Office passes in the LCID on the end of the GUID. Ick. Parse out the LCID.
|
||
|
|
CStr szGUID(pszGUID) ;
|
||
|
|
CStr szLCID;
|
||
|
|
// Check last character for the ending bracket.
|
||
|
|
int len = szGUID.strlen() ;
|
||
|
|
if (szGUID.psz[len-1] != '}')
|
||
|
|
{
|
||
|
|
// No bracket. Assume we have a LCID.
|
||
|
|
char* pLcid = strchr(szGUID.psz, '}') ;
|
||
|
|
if (pLcid)
|
||
|
|
{
|
||
|
|
// Copy the LCID.
|
||
|
|
pLcid++ ;
|
||
|
|
szLCID = pLcid;
|
||
|
|
// Remove from the guid.
|
||
|
|
*pLcid = '\0' ;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
ASSERT(0) ;
|
||
|
|
return FALSE ;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Prepend the LCID to the CHM file name.
|
||
|
|
CStr szQualifier ;
|
||
|
|
szQualifier = szLCID.psz ;
|
||
|
|
szQualifier += "\\" ;
|
||
|
|
szQualifier += pszChmFile ;
|
||
|
|
|
||
|
|
// Ask for the file.
|
||
|
|
if (pMsiProvideQualifiedComponent(szGUID, szQualifier/*pszChmFile*/, INSTALLMODE_EXISTING,
|
||
|
|
szPath, &cb) != ERROR_SUCCESS)
|
||
|
|
return FALSE;
|
||
|
|
|
||
|
|
*pcszResult = szPath;
|
||
|
|
return TRUE;
|
||
|
|
}
|