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127 lines
2.8 KiB
127 lines
2.8 KiB
5 months ago
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#include "PathScanner.h"
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#include "FileSys.h"
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namespace SevenZip
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{
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namespace intl
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{
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void PathScanner::Scan( const TString& root, Callback& cb )
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{
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Scan( root, _T( "*" ), cb );
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}
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void PathScanner::Scan( const TString& root, const TString& searchPattern, Callback& cb )
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{
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std::deque< TString > directories;
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directories.push_back( root );
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while ( !directories.empty() )
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{
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TString directory = directories.front();
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directories.pop_front();
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if ( ExamineFiles( directory, searchPattern, cb ) )
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{
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break;
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}
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ExamineDirectories( directory, directories, cb );
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}
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}
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bool PathScanner::ExamineFiles( const TString& directory, const TString& searchPattern, Callback& cb )
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{
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TString findStr = FileSys::AppendPath( directory, searchPattern );
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bool exit = false;
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WIN32_FIND_DATA fdata;
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HANDLE hFile = FindFirstFile( findStr.c_str(), &fdata );
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if ( hFile == INVALID_HANDLE_VALUE )
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{
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return exit;
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}
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cb.EnterDirectory( directory );
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do
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{
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FilePathInfo fpInfo = ConvertFindInfo( directory, fdata );
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if ( !fpInfo.IsDirectory && !IsSpecialFileName( fpInfo.FileName ) )
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{
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cb.ExamineFile( fpInfo, exit );
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}
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}
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while ( !exit && FindNextFile( hFile, &fdata ) );
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if ( !exit )
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{
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cb.LeaveDirectory( directory );
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}
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FindClose( hFile );
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return exit;
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}
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void PathScanner::ExamineDirectories( const TString& directory, std::deque< TString >& subDirs, Callback& cb )
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{
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TString findStr = FileSys::AppendPath( directory, _T( "*" ) );
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WIN32_FIND_DATA fdata;
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HANDLE hFile = FindFirstFile( findStr.c_str(), &fdata );
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if ( hFile == INVALID_HANDLE_VALUE )
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{
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return;
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}
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do
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{
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FilePathInfo fpInfo = ConvertFindInfo( directory, fdata );
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if ( fpInfo.IsDirectory && !IsSpecialFileName( fpInfo.FileName ) && cb.ShouldDescend( fpInfo ) )
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{
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subDirs.push_back( fpInfo.FilePath );
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}
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}
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while ( FindNextFile( hFile, &fdata ) );
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FindClose( hFile );
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}
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bool PathScanner::IsAllFilesPattern( const TString& searchPattern )
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{
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return searchPattern == _T( "*" ) || searchPattern == _T( "*.*" );
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}
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bool PathScanner::IsSpecialFileName( const TString& fileName )
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{
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return fileName == _T( "." ) || fileName == _T( ".." );
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}
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bool PathScanner::IsDirectory( const WIN32_FIND_DATA& fdata )
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{
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return ( fdata.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY ) != 0;
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}
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FilePathInfo PathScanner::ConvertFindInfo( const TString& directory, const WIN32_FIND_DATA& fdata )
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{
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FilePathInfo file;
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file.FileName = fdata.cFileName;
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file.FilePath = FileSys::AppendPath( directory, file.FileName );
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file.LastWriteTime = fdata.ftLastWriteTime;
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file.CreationTime = fdata.ftCreationTime;
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file.LastAccessTime = fdata.ftLastAccessTime;
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file.Attributes = fdata.dwFileAttributes;
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file.IsDirectory = IsDirectory( fdata );
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ULARGE_INTEGER size;
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size.LowPart = fdata.nFileSizeLow;
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size.HighPart = fdata.nFileSizeHigh;
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file.Size = size.QuadPart;
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return file;
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}
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}
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}
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