fixed #917: implement CCFileUtils::getFileDataFromZip() on iOS

This commit is contained in:
minggo 2011-12-20 14:18:53 +08:00
parent a8d5b6544a
commit 28d0737bf3
1 changed files with 42 additions and 0 deletions

View File

@ -369,6 +369,48 @@ namespace cocos2d {
strRet.append("/");
return strRet;
}
unsigned char* CCFileUtils::getFileDataFromZip(const char* pszZipFilePath, const char* pszFileName, unsigned long * pSize)
{
unsigned char * pBuffer = NULL;
unzFile pFile = NULL;
*pSize = 0;
do
{
CC_BREAK_IF(!pszZipFilePath || !pszFileName);
CC_BREAK_IF(strlen(pszZipFilePath) == 0);
pFile = unzOpen(pszZipFilePath);
CC_BREAK_IF(!pFile);
int nRet = unzLocateFile(pFile, pszFileName, 1);
CC_BREAK_IF(UNZ_OK != nRet);
char szFilePathA[260];
unz_file_info FileInfo;
nRet = unzGetCurrentFileInfo(pFile, &FileInfo, szFilePathA, sizeof(szFilePathA), NULL, 0, NULL, 0);
CC_BREAK_IF(UNZ_OK != nRet);
nRet = unzOpenCurrentFile(pFile);
CC_BREAK_IF(UNZ_OK != nRet);
pBuffer = new unsigned char[FileInfo.uncompressed_size];
int nSize = 0;
nSize = unzReadCurrentFile(pFile, pBuffer, FileInfo.uncompressed_size);
CCAssert(nSize == 0 || nSize == (int)FileInfo.uncompressed_size, "the file size is wrong");
*pSize = FileInfo.uncompressed_size;
unzCloseCurrentFile(pFile);
} while (0);
if (pFile)
{
unzClose(pFile);
}
return pBuffer;
}
}//namespace cocos2d