DocumentServer/ActiveX/ASCOfficeUtils/ASCOfficeUtils/ZipUtils.cpp
nikolay ivanov a8be6b9e72 init repo
2014-07-05 18:22:49 +00:00

996 lines
23 KiB
C++

/*
* (c) Copyright Ascensio System SIA 2010-2014
*
* This program is a free software product. You can redistribute it and/or
* modify it under the terms of the GNU Affero General Public License (AGPL)
* version 3 as published by the Free Software Foundation. In accordance with
* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
* that Ascensio System SIA expressly excludes the warranty of non-infringement
* of any third-party rights.
*
* This program is distributed WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
* details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
*
* You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia,
* EU, LV-1021.
*
* The interactive user interfaces in modified source and object code versions
* of the Program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU AGPL version 3.
*
* Pursuant to Section 7(b) of the License you must retain the original Product
* logo when distributing the program. Pursuant to Section 7(e) we decline to
* grant you any rights under trademark law for use of our trademarks.
*
* All the Product's GUI elements, including illustrations and icon sets, as
* well as technical writing content are licensed under the terms of the
* Creative Commons Attribution-ShareAlike 4.0 International. See the License
* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
*
*/
#include "stdafx.h"
#include "ZipUtils.h"
#include <memory>
#include "atlsafe.h"
#define WRITEBUFFERSIZE 8192
#define READBUFFERSIZE 8192
namespace ZLibZipUtils
{
AVSOfficeCriticalSection criticalSection;
static void change_file_date( const char *filename, uLong dosdate, tm_unz tmu_date );
static int mymkdir( const char* dirname );
static int makedir( const char *newdir );
static int do_extract_currentfile( unzFile uf, const int* popt_extract_without_path, int* popt_overwrite, const char* password );
static int do_extract( unzFile uf, int opt_extract_without_path, int opt_overwrite, const char* password, const ProgressCallback* progress );
static bool is_file_in_archive(unzFile uf, const wchar_t *filename);
static bool current_file_is_find(unzFile uf, const wchar_t *filename);
static bool get_file_in_archive(unzFile uf, const wchar_t *filePathInZip, BYTE** fileInBytes );
static bool get_file(unzFile uf, BYTE** fileInBytes );
static unsigned int get_files_count( const WCHAR* dirname );
static void change_file_date( const char *filename, uLong dosdate, tm_unz tmu_date )
{
HANDLE hFile;
FILETIME ftm,ftLocal,ftCreate,ftLastAcc,ftLastWrite;
hFile = CreateFileA(filename,GENERIC_READ | GENERIC_WRITE,
0,NULL,OPEN_EXISTING,0,NULL);
GetFileTime(hFile,&ftCreate,&ftLastAcc,&ftLastWrite);
DosDateTimeToFileTime((WORD)(dosdate>>16),(WORD)dosdate,&ftLocal);
LocalFileTimeToFileTime(&ftLocal,&ftm);
SetFileTime(hFile,&ftm,&ftLastAcc,&ftm);
CloseHandle(hFile);
}
static int mymkdir( const char* dirname )
{
int ret=0;
ret = _mkdir(dirname);
return ret;
}
static int makedir( const char *newdir )
{
char *buffer ;
char *p;
int len = (int)strlen(newdir);
if (len <= 0)
return 0;
buffer = (char*)malloc(len+1);
strcpy_s(buffer, (len+1), newdir);
if (buffer[len-1] == '/') {
buffer[len-1] = '\0';
}
if (mymkdir(buffer) == 0)
{
free(buffer);
return 1;
}
p = buffer+1;
while (1)
{
char hold;
while(*p && *p != '\\' && *p != '/')
p++;
hold = *p;
*p = 0;
if ((mymkdir(buffer) == -1) && (errno == ENOENT))
{
free(buffer);
return 0;
}
if (hold == 0)
break;
*p++ = hold;
}
free(buffer);
return 1;
}
static int do_extract_currentfile( unzFile uf, const int* popt_extract_without_path, int* popt_overwrite, const char* password )
{
char filename_inzip[256];
char* filename_withoutpath;
char* p;
int err=UNZ_OK;
FILE *fout=NULL;
void* buf;
uInt size_buf;
unz_file_info file_info;
uLong ratio=0;
err = unzGetCurrentFileInfo(uf,&file_info,filename_inzip,sizeof(filename_inzip),NULL,0,NULL,0);
#ifdef CODEPAGE_ISSUE_FIX
{
UniversalString us( filename_inzip, CP_OEMCP );
us = UniversalString( (wchar_t*)us );
memset( filename_inzip, 0, ( 256 * sizeof(char) ) );
strcpy_s( filename_inzip, 256, (char*)us );
}
#endif
if (err!=UNZ_OK)
{
return err;
}
size_buf = WRITEBUFFERSIZE;
buf = (void*)malloc(size_buf);
if (buf==NULL)
{
return UNZ_INTERNALERROR;
}
p = filename_withoutpath = filename_inzip;
while ((*p) != '\0')
{
if (((*p)=='/') || ((*p)=='\\'))
filename_withoutpath = p+1;
p++;
}
if ((*filename_withoutpath)=='\0')
{
if ((*popt_extract_without_path)==0)
{
mymkdir(filename_inzip);
}
}
else
{
const char* write_filename;
int skip=0;
if ((*popt_extract_without_path)==0)
write_filename = filename_inzip;
else
write_filename = filename_withoutpath;
err = unzOpenCurrentFilePassword(uf,password);
if (((*popt_overwrite)==0) && (err==UNZ_OK))
{
char rep=0;
FILE* ftestexist = NULL;
fopen_s(&ftestexist, write_filename, "rb");
if (ftestexist!=NULL)
{
fclose(ftestexist);
}
if (rep == 'N')
skip = 1;
if (rep == 'A')
*popt_overwrite=1;
}
if ((skip==0) && (err==UNZ_OK))
{
fopen_s(&fout, write_filename, "wb");
if ((fout==NULL) && ((*popt_extract_without_path)==0) &&
(filename_withoutpath!=(char*)filename_inzip))
{
char c=*(filename_withoutpath-1);
*(filename_withoutpath-1)='\0';
makedir(write_filename);
*(filename_withoutpath-1)=c;
fopen_s(&fout, write_filename, "wb");
}
}
if (fout!=NULL)
{
do
{
err = unzReadCurrentFile(uf, buf, size_buf);
if (err<0)
{
break;
}
if (err>0)
if (fwrite(buf,err,1,fout)!=1)
{
err=UNZ_ERRNO;
break;
}
}
while (err>0);
if (fout)
fclose(fout);
if (err==0)
change_file_date(write_filename,file_info.dosDate,
file_info.tmu_date);
}
if (err==UNZ_OK)
{
err = unzCloseCurrentFile (uf);
}
else
unzCloseCurrentFile(uf);
}
free(buf);
return err;
}
static int do_extract( unzFile uf, int opt_extract_without_path, int opt_overwrite, const char* password, const ProgressCallback* progress )
{
uLong i;
unz_global_info gi;
int err;
FILE* fout=NULL;
err = unzGetGlobalInfo (uf,&gi);
for (i=0;i<gi.number_entry;i++)
{
if (do_extract_currentfile(uf,&opt_extract_without_path,
&opt_overwrite,
password) != UNZ_OK)
break;
if ( progress != NULL )
{
short cancel = 0;
long progressValue = ( 1000000 / gi.number_entry * i );
progress->OnProgress( progress->caller, UTILS_ONPROGRESSEVENT_ID, progressValue, &cancel );
if ( cancel != 0 )
{
return err;
}
}
if ((i+1)<gi.number_entry)
{
err = unzGoToNextFile(uf);
if (err!=UNZ_OK)
{
break;
}
}
}
if ( progress != NULL )
{
short cancel = 0;
long progressValue = 1000000;
progress->OnProgress( progress->caller, UTILS_ONPROGRESSEVENT_ID, progressValue, &cancel );
}
return 0;
}
static bool is_file_in_archive(unzFile uf, const wchar_t *filename)
{
uLong i;
unz_global_info gi;
int err;
err = unzGetGlobalInfo (uf,&gi);
for (i = 0; i < gi.number_entry; i++)
{
if (current_file_is_find(uf, filename) == true)
return true;
if ((i + 1) < gi.number_entry)
{
err = unzGoToNextFile(uf);
if (err != UNZ_OK)
break;
}
}
return false;
}
static bool current_file_is_find(unzFile uf, const wchar_t *filename)
{
char filename_inzip[256];
int err = UNZ_OK;
unz_file_info file_info;
err = unzGetCurrentFileInfo(uf, &file_info, filename_inzip, sizeof(filename_inzip), NULL, 0, NULL, 0);
UniversalString us( filename_inzip, CP_OEMCP );
us = UniversalString( (wchar_t*)us );
UniversalString findFile( filename, CP_OEMCP );
if (us == findFile)
return true;
return false;
}
static const _bstr_t get_filename_from_unzfile(unzFile unzip_file_handle)
{
static char filename_OEM[MAX_PATH];
static wchar_t filename_ANSI[MAX_PATH];
if (UNZ_OK == unzGetCurrentFileInfo(unzip_file_handle, NULL, filename_OEM, sizeof(filename_OEM), NULL, 0, NULL, 0))
{
OemToChar(filename_OEM, filename_ANSI);
return _bstr_t(filename_ANSI);
}
return _bstr_t(L"");
}
static bool get_file_in_archive(unzFile uf, const wchar_t *filePathInZip, BYTE** fileInBytes)
{
unz_global_info gi;
int err;
err = unzGetGlobalInfo (uf,&gi);
for (uLong i = 0; i < gi.number_entry; i++)
{
if (current_file_is_find(uf, filePathInZip) == true)
{
get_file(uf, fileInBytes);
return true;
}
if ((i + 1) < gi.number_entry)
{
err = unzGoToNextFile(uf);
if (err != UNZ_OK)
break;
}
}
return false;
}
static bool get_file(unzFile uf, BYTE** fileInBytes)
{
int err = UNZ_OK;
uInt size_buf = WRITEBUFFERSIZE;
bool flag = false;
void* buf;
buf = (void*)malloc(size_buf);
err = unzOpenCurrentFilePassword(uf, NULL);
err = unzReadCurrentFile(uf, buf, size_buf);
if (err > 0)
{
*fileInBytes = (BYTE*)::HeapAlloc(GetProcessHeap(), NULL, err);
memcpy(*fileInBytes, static_cast<BYTE*>(buf), err);
flag = true;
}
if (err == UNZ_OK)
err = unzCloseCurrentFile (uf);
else
unzCloseCurrentFile(uf);
free(buf);
return flag;
}
static bool get_file(unzFile unzip_file_handle, SAFEARRAY* arr, uInt array_size)
{
if(UNZ_OK == unzOpenCurrentFile(unzip_file_handle))
{
int data_read_size = unzReadCurrentFile(unzip_file_handle, arr->pvData, array_size);
unzCloseCurrentFile(unzip_file_handle);
return data_read_size == array_size ? true : false;
}
return false;
}
int ZipDir( const WCHAR* dir, const WCHAR* outputFile, const ProgressCallback* progress, int compressionLevel )
{
criticalSection.Enter();
int err = -1;
if ( ( dir != NULL ) && ( outputFile != NULL ) )
{
WIN32_FIND_DATA ffd;
HANDLE hFind = INVALID_HANDLE_VALUE;
BOOL bNextFile = FALSE;
deque<wstring> StringDeque;
deque<wstring> zipDeque;
StringDeque.push_back( wstring( dir ) );
wstring zipDir;
wstring file;
wstring zipFileName;
wstring szText;
wstring szCurText;
zipFile zf = zipOpen( UniversalString( outputFile ), APPEND_STATUS_CREATE );
zip_fileinfo zi;
zi.tmz_date.tm_sec = zi.tmz_date.tm_min = zi.tmz_date.tm_hour =
zi.tmz_date.tm_mday = zi.tmz_date.tm_mon = zi.tmz_date.tm_year = 0;
zi.dosDate = 0;
zi.internal_fa = 0;
zi.external_fa = 0;
SYSTEMTIME currTime;
GetLocalTime( &currTime );
zi.tmz_date.tm_sec = currTime.wSecond;
zi.tmz_date.tm_min = currTime.wMinute;
zi.tmz_date.tm_hour = currTime.wHour;
zi.tmz_date.tm_mday = currTime.wDay;
zi.tmz_date.tm_mon = currTime.wMonth;
zi.tmz_date.tm_year = currTime.wYear;
unsigned int filesCount = get_files_count( dir );
unsigned int currentFileIndex = 0;
while ( ( !StringDeque.empty() ) || ( bNextFile ) )
{
if ( ( !bNextFile ) && ( !StringDeque.empty() ) )
{
szText = StringDeque.front() + wstring( _T( "\\" ) );
szCurText = szText + wstring( _T( "*" ) );
if ( hFind != INVALID_HANDLE_VALUE )
{
FindClose( hFind );
zipDir = zipDeque.front() + wstring( _T( "/" ) );
zipDeque.pop_front();
}
StringDeque.pop_front();
hFind = FindFirstFile( szCurText.c_str(), &ffd );
}
if ( ffd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY )
{
if ( ( wcscmp( ffd.cFileName, _T( "." ) ) != 0 ) && ( wcscmp( ffd.cFileName, _T( ".." ) ) != 0 ) )
{
StringDeque.push_back( szText + wstring( ffd.cFileName ) );
zipDeque.push_back( zipDir + wstring( ffd.cFileName ) );
}
}
else
{
file = szText + wstring( ffd.cFileName );
zipFileName = zipDir + wstring( ffd.cFileName );
string xstr;
ifstream xfile( file.c_str(), ios::binary );
xfile.seekg( 0, ios_base::end );
xstr.resize( xfile.tellg() );
xfile.seekg( 0, ios_base::beg );
xfile.read( const_cast<char*>( xstr.data() ), (streamsize)xstr.size() );
err = zipOpenNewFileInZip( zf, UniversalString( zipFileName.c_str(), CP_OEMCP ), &zi, NULL, 0, NULL, 0, NULL, Z_DEFLATED, compressionLevel );
err = zipWriteInFileInZip( zf, xstr.data(), (unsigned int)xstr.size() );
err = zipCloseFileInZip( zf );
xfile.close();
if ( progress != NULL )
{
short cancel = 0;
long progressValue = ( 1000000 / filesCount * currentFileIndex );
progress->OnProgress( progress->caller, UTILS_ONPROGRESSEVENT_ID, progressValue, &cancel );
if ( cancel != 0 )
{
FindClose( hFind );
err = zipClose( zf, NULL );
return err;
}
}
currentFileIndex++;
}
bNextFile = FindNextFile( hFind, &ffd );
}
FindClose( hFind );
err = zipClose( zf, NULL );
if ( progress != NULL )
{
short cancel = 0;
long progressValue = 1000000;
progress->OnProgress( progress->caller, UTILS_ONPROGRESSEVENT_ID, progressValue, &cancel );
}
}
criticalSection.Leave();
return err;
}
int ZipFile( const WCHAR* inputFile, const WCHAR* outputFile, int compressionLevel )
{
criticalSection.Enter();
int err = -1;
if ( ( inputFile != NULL ) && ( outputFile != NULL ) )
{
string istr;
ifstream ifile( inputFile, std::ios::binary );
ifile.seekg( 0, ios_base::end );
istr.resize( ifile.tellg() );
ifile.seekg( 0, ios_base::beg );
ifile.read( const_cast<char*>( istr.data() ), (streamsize)istr.size() );
ifile.close();
zipFile zf = zipOpen( UniversalString( outputFile ), APPEND_STATUS_CREATE );
zip_fileinfo zi;
zi.tmz_date.tm_sec = zi.tmz_date.tm_min = zi.tmz_date.tm_hour =
zi.tmz_date.tm_mday = zi.tmz_date.tm_mon = zi.tmz_date.tm_year = 0;
zi.dosDate = 0;
zi.internal_fa = 0;
zi.external_fa = 0;
SYSTEMTIME currTime;
GetLocalTime( &currTime );
zi.tmz_date.tm_sec = currTime.wSecond;
zi.tmz_date.tm_min = currTime.wMinute;
zi.tmz_date.tm_hour = currTime.wHour;
zi.tmz_date.tm_mday = currTime.wDay;
zi.tmz_date.tm_mon = currTime.wMonth;
zi.tmz_date.tm_year = currTime.wYear;
wstring inputFileName( inputFile );
wstring::size_type pos = 0;
static const wstring::size_type npos = -1;
pos = inputFileName.find_last_of( _T( '\\' ) );
wstring zipFileName;
if ( pos != npos )
{
zipFileName = wstring( ( inputFileName.begin() + pos + 1 ), inputFileName.end() );
}
else
{
zipFileName = wstring( inputFileName.begin(), inputFileName.end() );
}
err = zipOpenNewFileInZip( zf, UniversalString( zipFileName.c_str(), CP_OEMCP ), &zi, NULL, 0, NULL, 0, NULL, Z_DEFLATED, compressionLevel );
err = zipWriteInFileInZip( zf, istr.data(), (unsigned int)istr.size() );
err = zipCloseFileInZip( zf );
err = zipClose( zf, NULL );
}
criticalSection.Leave();
return false;
}
bool ClearDirectory( const WCHAR* dir, bool delDir )
{
criticalSection.Enter();
bool result = false;
if ( dir != NULL )
{
unsigned int size = (unsigned int)wcslen( dir );
WCHAR* _dir = new WCHAR[size + 2];
wcsncpy_s( _dir, size + 2, dir, size );
_dir[size++] = L'\0';
_dir[size] = L'\0';
SHFILEOPSTRUCT lpFileOp;
lpFileOp.hwnd = NULL;
lpFileOp.wFunc = FO_DELETE;
lpFileOp.pFrom = _dir;
lpFileOp.pTo = NULL;
lpFileOp.fFlags = FOF_NOERRORUI | FOF_NOCONFIRMATION | FOF_SILENT;
lpFileOp.fAnyOperationsAborted = FALSE;
lpFileOp.hNameMappings = NULL;
lpFileOp.lpszProgressTitle = NULL;
int err = SHFileOperation( &lpFileOp );
if ( !delDir )
{
CreateDirectory( dir, NULL );
}
if ( _dir != NULL )
{
delete []_dir;
_dir = NULL;
}
result = true;
}
else
{
result = false;
}
criticalSection.Leave();
return result;
}
int UnzipToDir( const WCHAR* zipFile, const WCHAR* unzipDir, const ProgressCallback* progress, const WCHAR* password, bool opt_extract_without_path, bool clearOutputDirectory )
{
criticalSection.Enter();
unzFile uf = NULL;
int err = -1;
if ( ( zipFile != NULL ) && ( unzipDir != NULL ) )
{
uf = unzOpen (zipFile);
}
if ( uf != NULL )
{
if ( clearOutputDirectory )
{
ClearDirectory( unzipDir );
}
char* buffer = NULL;
buffer = _getcwd( NULL, 0 );
err = _wchdir (unzipDir);
if ( err == 0 )
{
err = do_extract( uf, opt_extract_without_path, 1, UniversalString( password ), progress );
}
if ( err == UNZ_OK )
{
err = unzClose( uf );
}
if ( buffer != NULL )
{
err = _chdir( UniversalString( buffer ) );
free( buffer );
buffer = NULL;
}
}
criticalSection.Leave();
return err;
}
int UncompressBytes( BYTE* destBuf, ULONG* destSize, const BYTE* sourceBuf, ULONG sourceSize )
{
criticalSection.Enter();
int err = -1;
err = uncompress( destBuf, destSize, sourceBuf, sourceSize );
criticalSection.Leave();
return err;
}
int CompressBytes( BYTE* destBuf, ULONG* destSize, const BYTE* sourceBuf, ULONG sourceSize, SHORT level )
{
criticalSection.Enter();
int err = -1;
err = compress2( destBuf, destSize, sourceBuf, sourceSize, level );
criticalSection.Leave();
return err;
}
bool IsArchive(const WCHAR* filename)
{
criticalSection.Enter();
unzFile uf = NULL;
bool isZIP = false;
if (( filename != NULL ))
uf = unzOpen( UniversalString( filename ) );
if ( uf != NULL )
{
isZIP = true;
unzClose( uf );
}
criticalSection.Leave();
return isZIP;
}
bool IsFileExistInArchive(const WCHAR* zipFile, const WCHAR* filePathInZip)
{
criticalSection.Enter();
unzFile uf = NULL;
bool isIn = false;
if ( ( zipFile != NULL ) && ( filePathInZip != NULL ) )
uf = unzOpen( UniversalString( zipFile ) );
if ( uf != NULL )
{
isIn = is_file_in_archive( uf, filePathInZip );
unzClose( uf );
}
criticalSection.Leave();
return isIn;
}
bool LoadFileFromArchive(const WCHAR* zipFile, const WCHAR* filePathInZip, BYTE** fileInBytes)
{
criticalSection.Enter();
unzFile uf = NULL;
bool isIn = false;
if ( ( zipFile != NULL ) && ( filePathInZip != NULL ) )
uf = unzOpen( UniversalString( zipFile ) );
if ( uf != NULL )
{
isIn = get_file_in_archive( uf, filePathInZip, fileInBytes);
unzClose( uf );
}
criticalSection.Leave();
return isIn;
}
bool ExtractFiles(const _bstr_t zip_file_path, ExtractedFileCallback& callback)
{
CSLocker locker(criticalSection);
unzFile unzip_file_handle = unzOpen(static_cast<wchar_t*>(zip_file_path));
if ( unzip_file_handle != NULL )
{
do
{
unz_file_info file_info;
unzGetCurrentFileInfo(unzip_file_handle, &file_info, NULL, 0, NULL, 0, NULL, 0);
CComSafeArray<BYTE> arr(file_info.uncompressed_size);
if(file_info.uncompressed_size == 0 || get_file(unzip_file_handle, arr.m_psa, file_info.uncompressed_size))
{
callback.Invoke(get_filename_from_unzfile(unzip_file_handle), arr.GetSafeArrayPtr());
}
} while (UNZ_OK == unzGoToNextFile(unzip_file_handle));
unzClose( unzip_file_handle );
return true;
}
return false;
}
bool CompressFiles(_bstr_t zip_file_path, RequestFileCallback& callback, int compression_level)
{
CSLocker locker(criticalSection);
zipFile zip_file_handle = zipOpen(zip_file_path, APPEND_STATUS_CREATE);
if(NULL != zip_file_handle)
{
zip_fileinfo zi = {0};
SYSTEMTIME currTime;
GetLocalTime( &currTime );
zi.tmz_date.tm_sec = currTime.wSecond;
zi.tmz_date.tm_min = currTime.wMinute;
zi.tmz_date.tm_hour = currTime.wHour;
zi.tmz_date.tm_mday = currTime.wDay;
zi.tmz_date.tm_mon = currTime.wMonth;
zi.tmz_date.tm_year = currTime.wYear;
SAFEARRAY* arr;
BSTR in_zip_filename;
while(callback.Invoke(&in_zip_filename, &arr))
{
_bstr_t in_zip_filename_wrapper(in_zip_filename, false);
CComSafeArray<BYTE> arr_wrapper;
arr_wrapper.Attach(arr);
static char in_zip_filename_OEM[MAX_PATH];
CharToOemW(static_cast<wchar_t*>(in_zip_filename_wrapper), in_zip_filename_OEM);
if (ZIP_OK != zipOpenNewFileInZip( zip_file_handle, in_zip_filename_OEM, &zi, NULL, 0, NULL, 0, NULL, Z_DEFLATED, compression_level ) ||
ZIP_OK != zipWriteInFileInZip(zip_file_handle, arr_wrapper.m_psa->pvData, arr_wrapper.GetCount()) ||
ZIP_OK != zipCloseFileInZip(zip_file_handle))
{
zipClose(zip_file_handle, NULL);
return false;
}
}
zipClose(zip_file_handle, NULL);
return true;
}
return false;
}
static unsigned int get_files_count( const WCHAR* dirname )
{
unsigned int filescount = 0;
if ( dirname != NULL )
{
WIN32_FIND_DATA ffd;
HANDLE hFind = INVALID_HANDLE_VALUE;
BOOL bNextFile = FALSE;
deque<wstring> StringDeque;
StringDeque.push_back( dirname );
wstring file;
wstring szText;
wstring szCurText;
while ( ( !StringDeque.empty() ) || ( bNextFile ) )
{
if ( ( !bNextFile ) && ( !StringDeque.empty() ) )
{
szText = StringDeque.front() + wstring( _T( "\\" ) );
szCurText = szText + wstring( _T( "*" ) );
if ( hFind != INVALID_HANDLE_VALUE )
{
FindClose( hFind );
}
StringDeque.pop_front();
hFind = FindFirstFile( szCurText.c_str(), &ffd );
}
if ( ffd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY )
{
if ( ( wcscmp( ffd.cFileName, _T( "." ) ) != 0 ) && ( wcscmp( ffd.cFileName, _T( ".." ) ) != 0 ) )
{
StringDeque.push_back( szText + wstring( ffd.cFileName ) );
}
}
else
{
filescount++;
}
bNextFile = FindNextFile( hFind, &ffd );
}
FindClose( hFind );
}
return filescount;
}
}