hxresmg.cpp
上传用户:zhongxx05
上传日期:2007-06-06
资源大小:33641k
文件大小:18k
- /* ***** BEGIN LICENSE BLOCK *****
- * Version: RCSL 1.0/RPSL 1.0
- *
- * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file, are
- * subject to the current version of the RealNetworks Public Source License
- * Version 1.0 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the RealNetworks Community Source License Version 1.0
- * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl,
- * in which case the RCSL will apply. You may also obtain the license terms
- * directly from RealNetworks. You may not use this file except in
- * compliance with the RPSL or, if you have a valid RCSL with RealNetworks
- * applicable to this file, the RCSL. Please see the applicable RPSL or
- * RCSL for the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the portions
- * it created.
- *
- * This file, and the files included with this file, is distributed and made
- * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- #include "hxcom.h"
- #include "hlxclib/stdio.h"
- #include "hlxclib/stdlib.h"
- #ifdef _WINDOWS
- #include <windows.h>
- #endif
- #if defined(_MACINTOSH) && !defined(_MAC_MACHO)
- #include <stat.h>
- #else
- #include "hlxclib/sys/stat.h"
- #endif
- #include "hxxrsmg.h"
- #include "hxplugn.h"
- #include "hxfiles.h"
- #include "hxcomm.h"
- #include "hxxres.h"
- #include "hxengin.h"
- #include "ihxpckts.h"
- #include "hxprefs.h"
- #include "hxmon.h"
- #include "hxslist.h"
- #include "hxstrutl.h"
- #include "chxpckts.h"
- #include "md5.h"
- #include "findfile.h"
- #include "hxresmg.h"
- #include "dllpath.h"
- #include "hxheap.h"
- #ifdef _DEBUG
- #undef HX_THIS_FILE
- static const char HX_THIS_FILE[] = __FILE__;
- #endif
- // IHXPreferences key defines
- #define EXT_RES_DIR "ExtResources"
- #define EXT_RES_DATA_KEY "ExternalResourcesData"
- #define FILE_INFO_KEY "FileInfo"
- #define CHECKSUM_KEY "XRSCheckSum"
- #define LANGUAGE_KEY "Language"
- #define LANG_ID_KEY "LangID"
- // for OS_SEPARATOR_CHAR and OS_SEPARATOR_STRING
- #include "hxdir.h"
- // static initializations
- #if !defined(HELIX_CONFIG_NOSTATICS)
- HXExternalResourceManager* HXExternalResourceManager::m_pResourceManager = NULL;
- #else
- #include "globals/hxglobals.h"
- const HXExternalResourceManager* const HXExternalResourceManager::m_pResourceManager = NULL;
- #endif
- // HXExternalResourceManager methods
- HXExternalResourceManager::HXExternalResourceManager(IUnknown* pContext):
- m_lRefCount(0)
- ,m_pResourceList(NULL)
- ,m_pContext(pContext)
- ,m_pHXXResPlugin(NULL)
- ,m_ulLanguageID(0x0409)
- ,m_pExternalResDir(NULL)
- ,m_pPrefs(NULL)
- ,m_pRegistry(NULL)
- {
- if(m_pContext)
- {
- m_pContext->AddRef();
- }
- Init();
- }
- HXExternalResourceManager::~HXExternalResourceManager()
- {
- delete[] m_pExternalResDir;
- if(m_pResourceList)
- {
- CHXSimpleList::Iterator i = m_pResourceList->Begin();
- for (; i != m_pResourceList->End(); ++i)
- {
- IHXXResFile* pRes = (IHXXResFile*)(*i);
- pRes->Close();
- pRes->Release();
- }
- }
- HX_DELETE(m_pResourceList);
- HX_RELEASE(m_pPrefs);
- HX_RELEASE(m_pRegistry);
- HX_RELEASE(m_pContext);
- HX_RELEASE(m_pHXXResPlugin);
- #if defined(HELIX_CONFIG_NOSTATICS)
- HXExternalResourceManager*& m_pResourceManager =
- (HXExternalResourceManager*&)HXGlobalPtr::Get(
- &HXExternalResourceManager::m_pResourceManager);
- #endif
- m_pResourceManager = NULL;
- }
- HXExternalResourceManager*
- HXExternalResourceManager::Instance(IUnknown* pContext)
- {
- #if defined(HELIX_CONFIG_NOSTATICS)
- HXExternalResourceManager*& m_pResourceManager =
- (HXExternalResourceManager*&)HXGlobalPtr::Get(
- &HXExternalResourceManager::m_pResourceManager);
- #endif
- if(!m_pResourceManager)
- {
- m_pResourceManager = new HXExternalResourceManager(pContext);
- }
- if (m_pResourceManager)
- {
- m_pResourceManager->AddRef();
- }
- return m_pResourceManager;
- }
- // IUnknown methods
- STDMETHODIMP
- HXExternalResourceManager::QueryInterface(REFIID riid, void** ppvObj)
- {
- QInterfaceList qiList[] =
- {
- { GET_IIDHANDLE(IID_IHXExternalResourceManager), (IHXExternalResourceManager*)this },
- { GET_IIDHANDLE(IID_IUnknown), (IUnknown*)(IHXExternalResourceManager*)this },
- };
-
- return ::QIFind(qiList, QILISTSIZE(qiList), riid, ppvObj);
- }
- STDMETHODIMP_(ULONG32)
- HXExternalResourceManager::AddRef()
- {
- return InterlockedIncrement(&m_lRefCount);
- }
- STDMETHODIMP_(ULONG32)
- HXExternalResourceManager::Release()
- {
- if (InterlockedDecrement(&m_lRefCount) > 0)
- {
- return m_lRefCount;
- }
- delete this;
- return 0;
- }
- // IHXExternalResourceManager methods
- STDMETHODIMP
- HXExternalResourceManager::Init()
- {
- HX_RESULT rc = GetHXXResPlugin();
- if(HXR_OK == rc)
- {
- // get language and res directory preferences/reg entries
- if (HXR_OK == m_pContext->QueryInterface(IID_IHXPreferences,
- (void**)&m_pPrefs) &&
- HXR_OK == m_pContext->QueryInterface(IID_IHXRegistry,
- (void**)&m_pRegistry))
- {
- IHXBuffer* pBuffer = NULL;
- CHXString strTemp;
- strTemp.Format("%s.%s",HXREGISTRY_PREFPROPNAME, "LangID");
- if(HXR_OK == m_pRegistry->GetStrByName(strTemp, pBuffer))
- {
- const char* pActualLangID = (const char*)pBuffer->GetBuffer();
- m_ulLanguageID = strtol(pActualLangID, NULL, 10);
- HX_RELEASE(pBuffer);
- }
- const char* pPath = NULL;
- // Get the plugin directory from the Dll Access Paths
- if (GetDLLAccessPath() &&
- (pPath = GetDLLAccessPath()->GetPath(DLLTYPE_PLUGIN)) &&
- *pPath)
- {
- UINT32 ulBufLen = strlen(pPath) + 1 + strlen(EXT_RES_DIR) + 1;
- m_pExternalResDir = new char[ulBufLen];
- SafeStrCpy(m_pExternalResDir, pPath, ulBufLen);
- if (m_pExternalResDir[strlen(m_pExternalResDir)-1] != OS_SEPARATOR_CHAR)
- {
- SafeStrCat(m_pExternalResDir, OS_SEPARATOR_STRING, ulBufLen);
- }
- SafeStrCat(m_pExternalResDir, EXT_RES_DIR, ulBufLen);
- rc = LoadResourceFiles();
- }
- }
- }
- return rc;
- }
- STDMETHODIMP
- HXExternalResourceManager::CreateExternalResourceReader(
- const char* pShortName,
- REF(IHXExternalResourceReader*) pReader)
- {
- HX_RESULT rc = HXR_OK;
- HXExternalResourceReader* pHXReader = new HXExternalResourceReader(this);
- if(!pHXReader)
- {
- return HXR_OUTOFMEMORY;
- }
- pHXReader->AddRef();
- pHXReader->Init(pShortName, m_pResourceList);
- pReader = pHXReader;
- return rc;
- }
- // HXExternalResourceManager private methods
- HX_RESULT
- HXExternalResourceManager::GetHXXResPlugin()
- {
- HX_RESULT rc = HXR_FAILED;
- IUnknown* pUnk = NULL;
- IUnknown* pUnknownInstance = NULL;
- IHXCommonClassFactory* pCommonClassFactory = NULL;
- IHXPluginGroupEnumerator* pGroupEnumerator = NULL;
- UINT32 ulNumPlugins = 0;
- // enumerate the plugins
- if (HXR_OK != m_pContext->QueryInterface(
- IID_IHXCommonClassFactory,
- (void**)&pCommonClassFactory))
- {
- goto cleanup;
- }
- if (HXR_OK != pCommonClassFactory->CreateInstance(
- CLSID_IHXPluginGroupEnumerator,
- (void**)&pUnk))
- {
- goto cleanup;
- }
- if (HXR_OK != pUnk->QueryInterface(IID_IHXPluginGroupEnumerator,
- (void**)&pGroupEnumerator))
- {
- goto cleanup;
- }
- if (HXR_OK != pGroupEnumerator->Init(IID_IHXXResFile))
- {
- goto cleanup;
- }
- ulNumPlugins = pGroupEnumerator->GetNumOfPlugins();
- if(ulNumPlugins > 0)
- {
- if (HXR_OK == pGroupEnumerator->GetPlugin(0, pUnknownInstance))
- {
- m_pHXXResPlugin = pUnknownInstance;
- m_pHXXResPlugin->AddRef();
- rc = HXR_OK;
- }
- }
- cleanup:
- HX_RELEASE(pUnk);
- HX_RELEASE(pUnknownInstance);
- HX_RELEASE(pCommonClassFactory);
- HX_RELEASE(pGroupEnumerator);
- return rc;
- }
- BOOL
- HXExternalResourceManager::ContainsCurrentLanguage(IHXXResFile* pResFile)
- {
- BOOL rc = FALSE;
- if(!pResFile)
- {
- return rc;
- }
- UINT32 ulLangID = 0;
- BOOL bFound = FALSE;
- rc = pResFile->GetFirstResourceLanguage(ulLangID);
- while(HXR_OK == rc)
- {
- if(m_ulLanguageID == ulLangID)
- {
- rc = TRUE;
- break;
- }
- rc = pResFile->GetNextResourceLanguage(ulLangID);
- };
- return rc;
- }
- IHXXResFile*
- HXExternalResourceManager::MakeResFileObject(const char* pPath)
- {
- IHXXResFile* pResFile = NULL;
- if(m_pHXXResPlugin &&
- HXR_OK == m_pHXXResPlugin->QueryInterface(IID_IHXXResFile,
- (void**)&pResFile))
- {
- HX_RESULT rc = HXR_OK;
- // open res file and see if it contains any resources with the
- // current language ID
- pResFile->Open(pPath);
- if(ContainsCurrentLanguage(pResFile))
- {
- pResFile->SetLanguage(m_ulLanguageID);
- }
- else
- {
- HX_RELEASE(pResFile); // don't want this one
- }
- }
- return pResFile;
- }
- HX_RESULT
- HXExternalResourceManager::Stat(const char* pPath, struct stat* pStatBuffer)
- {
- HX_RESULT rc = HXR_OK;
- memset(pStatBuffer,0,sizeof(*pStatBuffer));
-
- if(stat((const char*)pPath, pStatBuffer) < 0)
- {
- rc = HXR_FAIL;
- }
- return rc;
- }
- IHXBuffer*
- HXExternalResourceManager::ConvertToAsciiString(char* pBuffer, UINT32 nBuffLen)
- {
- char* pOut = new char[nBuffLen*2+1];
- char* pStartOut = pOut;
- char Nibble;
- IHXBuffer* pOutBuffer = new CHXBuffer;
- pOutBuffer->AddRef();
- for (int i = 0; i < (int)nBuffLen; i++)
- {
- Nibble = (*pBuffer >> 4) & 15;
- *pOut= (Nibble > 9 ) ? Nibble + 55 : Nibble + 48;
- pOut++;
- Nibble = *pBuffer & 15;
- *pOut= (Nibble > 9 ) ? Nibble + 55 : Nibble + 48;
- pOut++;
- pBuffer++;
- }
- *pOut = 0;
- pOutBuffer->Set((UCHAR*)pStartOut, strlen(pStartOut)+1);
- delete[] pStartOut;
- return pOutBuffer;
- }
- IHXBuffer*
- HXExternalResourceManager::ChecksumFile(const char* pPath)
- {
- struct stat stat_struct;
- md5_state_t MD5_data;
- UCHAR tempbuf[16];
- md5_init(&MD5_data);
- if (HXR_OK != Stat(pPath, &stat_struct))
- {
- md5_finish(tempbuf, &MD5_data);
- return NULL;
- }
- md5_append(&MD5_data,(UCHAR*)&(stat_struct),sizeof(stat_struct));
- md5_finish(tempbuf, &MD5_data);
- return ConvertToAsciiString((char*)tempbuf, sizeof(tempbuf));
- }
- HX_RESULT
- HXExternalResourceManager::SaveFileInfo(const char* pFileName,
- const char* pPath)
- {
- HX_RESULT rc = HXR_OK;
- // set/reset cache info
- if(!m_pPrefs)
- {
- return HXR_FAIL;
- }
- IHXBuffer* pStatInfo = ChecksumFile(pPath);
- if(pStatInfo)
- {
- CHXString prefString;
- prefString.Format("%s\%s\%s\%s",
- EXT_RES_DATA_KEY,
- FILE_INFO_KEY,
- pFileName,
- CHECKSUM_KEY);
- m_pPrefs->WritePref(prefString, pStatInfo);
- HX_RELEASE(pStatInfo);
- }
- // now write out the langages supported in the resource file
- IHXXResFile* pResFile;
- if(HXR_OK == m_pHXXResPlugin->QueryInterface(IID_IHXXResFile,
- (void**)&pResFile))
- {
- HX_RESULT rc = HXR_OK;
- // open res file and iterate through all of the languages
- // it supports
- pResFile->Open(pPath);
- UINT32 ulLangID = 0;
- rc = pResFile->GetFirstResourceLanguage(ulLangID);
- while(HXR_OK == rc)
- {
- CHXString prefString;
- IHXBuffer* pBuffer = new CHXBuffer;
- prefString.Format("%s\%s\%s\%s\%ld",
- EXT_RES_DATA_KEY,
- FILE_INFO_KEY,
- pFileName,
- LANGUAGE_KEY,
- ulLangID);
- pBuffer->Set((BYTE*)"", 1);
- m_pPrefs->WritePref(prefString, pBuffer);
- HX_RELEASE(pBuffer);
- rc = pResFile->GetNextResourceLanguage(ulLangID);
- };
- HX_RELEASE(pResFile);
- }
- return rc;
- }
- HX_RESULT
- HXExternalResourceManager::LoadResourceFile(const char* pPath)
- {
- HX_RESULT rc = HXR_OK;
- // MakeResFileObject only returns an IHXXResFile
- // if there are any resources in the current language
- IHXXResFile* pResFile = MakeResFileObject(pPath);
- if (pResFile)
- {
- if(!m_pResourceList)
- {
- m_pResourceList = new CHXSimpleList;
- }
- m_pResourceList->AddTail(pResFile);
- }
- return rc;
- }
- BOOL
- HXExternalResourceManager::FileInfoCurrent(const char* pFileName,
- const char* pPath)
- {
- BOOL rc = FALSE;
- IHXBuffer* pStatInfo = ChecksumFile(pPath);
- if(pStatInfo)
- {
- IHXBuffer* pPrefValue = NULL;
- CHXString prefString;
- prefString.Format("%s\%s\%s\%s",
- EXT_RES_DATA_KEY,
- FILE_INFO_KEY,
- pFileName,
- CHECKSUM_KEY);
- if(HXR_OK == m_pPrefs->ReadPref(prefString, pPrefValue) &&
- pPrefValue)
- {
- const char* pActualPrefValue = (const char*)pPrefValue->GetBuffer();
- const char* pActualStatInfo = (const char*)pStatInfo->GetBuffer();
- if(strcmp(pActualPrefValue, pActualStatInfo) == 0)
- {
- rc = TRUE;
- }
- HX_RELEASE(pPrefValue);
- }
- HX_RELEASE(pStatInfo);
- }
- return rc;
- }
- BOOL
- HXExternalResourceManager::ContainsCurrentLanguage(const char* pFileName,
- const char* pPath)
- {
- #if defined (_MACINTOSH) || defined (_UNIX)
- /* Temporary - Mac Installer does not write this pref yet -- XXXRA */
- return TRUE;
- #endif
- BOOL rc = FALSE;
- IHXBuffer* pLangInfo = NULL;
- CHXString prefString;
- prefString.Format("%s\%s\%s\%s\%ld",
- EXT_RES_DATA_KEY,
- FILE_INFO_KEY,
- pFileName,
- LANGUAGE_KEY,
- m_ulLanguageID);
- if(HXR_OK == m_pPrefs->ReadPref(prefString, pLangInfo))
- {
- rc = TRUE;
- HX_RELEASE(pLangInfo);
- }
- return rc;
- }
- HX_RESULT
- HXExternalResourceManager::LoadResourceFiles()
- {
- CFindFile* pFileFinder = NULL;
- char* pResFile = NULL;
- const char* pFileExtension = "*.xrs";
- HX_RESULT rc = HXR_OK;
- // find plugins with specified pattern
- pFileFinder = CFindFile::CreateFindFile(m_pExternalResDir, 0,
- pFileExtension);
- if (NULL == pFileFinder)
- {
- rc = HXR_FAIL;
- goto cleanup;
- }
- // collect plugin info.
- pResFile = pFileFinder->FindFirst();
- while (pResFile)
- {
- BOOL bLoadFile = FALSE;
- const char* pResPath = pFileFinder->GetCurFilePath();
- // only load the file if it has resources that reflect
- // the current system language ID
- if(!FileInfoCurrent(pResFile, pResPath))
- {
- SaveFileInfo(pResFile, pResPath);
- }
-
- if(ContainsCurrentLanguage(pResFile, pResPath))
- {
- rc = LoadResourceFile(pResPath);
- }
- if(HXR_OK != rc)
- {
- // error - log it and keep on?
- }
- pResFile = pFileFinder->FindNext();
- }
- delete pFileFinder;
- cleanup:
- return rc;
- }
- // HXExternalResourceReader methods
- HXExternalResourceReader::HXExternalResourceReader(
- HXExternalResourceManager* pMgr):
- m_lRefCount(0)
- ,m_pResManager(pMgr)
- ,m_pResourceList(NULL)
- ,m_pDefaultRes(NULL)
- {
- }
- HXExternalResourceReader::~HXExternalResourceReader()
- {
- HX_DELETE(m_pResourceList);
- HX_RELEASE(m_pDefaultRes);
- }
- // IUnknown methods
- STDMETHODIMP
- HXExternalResourceReader::QueryInterface(REFIID riid, void** ppvObj)
- {
- QInterfaceList qiList[] =
- {
- { GET_IIDHANDLE(IID_IHXExternalResourceReader), (IHXExternalResourceReader*)this },
- { GET_IIDHANDLE(IID_IUnknown), (IUnknown*)(IHXExternalResourceReader*)this },
- };
-
- return ::QIFind(qiList, QILISTSIZE(qiList), riid, ppvObj);
- }
- STDMETHODIMP_(ULONG32)
- HXExternalResourceReader::AddRef()
- {
- return InterlockedIncrement(&m_lRefCount);
- }
- STDMETHODIMP_(ULONG32)
- HXExternalResourceReader::Release()
- {
- if (InterlockedDecrement(&m_lRefCount) > 0)
- {
- return m_lRefCount;
- }
- delete this;
- return 0;
- }
- STDMETHODIMP
- HXExternalResourceReader::SetDefaultResourceFile(
- const char* pResourcePath)
- {
- HX_RESULT rc = HXR_OK;
- m_pDefaultRes = m_pResManager->MakeResFileObject(pResourcePath);
- return rc;
- }
- IHXXResource*
- HXExternalResourceReader::GetResource(IHXXResFile* pResFile,
- UINT32 ulResourceType,
- UINT32 ulResourceID)
- {
- IHXXResource* pRes = NULL;
- switch(ulResourceType)
- {
- case HX_RT_STRING:
- {
- pRes = pResFile->GetString(ulResourceID);
- }
- break;
- case HX_RT_DIALOG:
- {
- pRes = pResFile->GetDialog(ulResourceID);
- }
- break;
- case HX_RT_BITMAP:
- {
- pRes = pResFile->GetBitmap(ulResourceID);
- }
- break;
- default:
- break;
- }
- return pRes;
- }
- STDMETHODIMP_(IHXXResource*)
- HXExternalResourceReader::GetResource(UINT32 ulResourceType,
- UINT32 ulResourceID)
- {
- IHXXResource* pRes = NULL;
- if(m_pResourceList)
- {
- CHXSimpleList::Iterator i = m_pResourceList->Begin();
- for (; i != m_pResourceList->End(); ++i)
- {
- IHXXResFile* pResFile = (IHXXResFile*)(*i);
- pRes = GetResource(pResFile, ulResourceType, ulResourceID);
- if(pRes)
- {
- break;
- }
- }
- }
- if(!pRes &&
- m_pDefaultRes) // check default
- {
- pRes = GetResource(m_pDefaultRes, ulResourceType, ulResourceID);
- }
- return pRes;
- }
- HX_RESULT
- HXExternalResourceReader::Init(const char* pShortName,
- CHXSimpleList* pResList)
- {
- HX_RESULT rc = HXR_OK;
- if(pResList)
- {
- CHXSimpleList::Iterator i = pResList->Begin();
- for (; i != pResList->End(); ++i)
- {
- IHXXResFile* pResFile = (IHXXResFile*)(*i);
- if(pResFile->IncludesShortName(pShortName))
- {
- if(!m_pResourceList)
- {
- m_pResourceList = new CHXSimpleList;
- }
- m_pResourceList->AddTail(pResFile);
- }
- }
- }
- return rc;
- }