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 *
 * Licensed to the Apache Software Foundation (ASF) under one
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 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_l10ntools.hxx"
#include <l10ntools/directory.hxx>
#include "tools/string.hxx"
#include <iostream>
#include <vector>
#include <algorithm>

namespace transex
{

Directory::Directory( const rtl::OUString sFullpath ) : bSkipLinks( false )
{
    sFullName = sFullpath;
}

Directory::Directory( const rtl::OUString sFullPath , const rtl::OUString sEntry ) : bSkipLinks( false )
{
    sFullName       = sFullPath;
    sDirectoryName  = sEntry;
}


Directory::Directory( const ByteString sFullPath ) : bSkipLinks( false )
{
    sDirectoryName = rtl::OUString( sFullPath.GetBuffer() , RTL_TEXTENCODING_UTF8 , sFullPath.Len() );
}

bool Directory::lessDir ( const Directory& rKey1, const Directory& rKey2 )
{
    rtl::OUString sName1( ( static_cast< Directory >( rKey1 ) ).getDirectoryName() );
    rtl::OUString sName2( ( static_cast< Directory >( rKey2 ) ).getDirectoryName() );

    return sName1.compareTo( sName2 ) < 0 ;
}


void Directory::dump()
{

    for( std::vector< transex::File >::iterator iter = aFileVec.begin() ; iter != aFileVec.end() ; ++iter )
    {
        std::cout << "FILE " << rtl::OUStringToOString( (*iter).getFullName().getStr() , RTL_TEXTENCODING_UTF8 , (*iter).getFullName().getLength() ).getStr() << "\n";
    }

    for( std::vector< transex::Directory >::iterator iter = aDirVec.begin() ; iter != aDirVec.end() ; ++iter )
    {
        std::cout << "DIR " << rtl::OUStringToOString( (*iter).getFullName().getStr() , RTL_TEXTENCODING_UTF8 , (*iter).getFullName().getLength() ).getStr() << "\n";
    }

}

void Directory::scanSubDir( int nLevels )
{
    readDirectory( sFullName );
    dump();
    if( nLevels > 0 ) {
        for( std::vector< transex::Directory >::iterator iter = aDirVec.begin() ; iter != aDirVec.end() || nLevels > 0 ; ++iter , nLevels-- )
        {
            ( *iter ).scanSubDir();
        }
    }
}

void Directory::setSkipLinks( bool is_skipped )
{
    bSkipLinks = is_skipped;
}

void Directory::readDirectory()
{
    readDirectory( sFullName );
}

#ifdef WNT
#include <tools/prewin.h>
#include <windows.h>
#include <tools/postwin.h>

void Directory::readDirectory ( const rtl::OUString& sFullpath )
{
    sal_Bool            fFinished;
    HANDLE          hList;
    TCHAR           szDir[MAX_PATH+1];
    TCHAR           szSubDir[MAX_PATH+1];
    WIN32_FIND_DATA FileData;

    rtl::OString sFullpathext = rtl::OUStringToOString( sFullpath , RTL_TEXTENCODING_UTF8 , sFullpath.getLength() );
    const char *dirname = sFullpathext.getStr();

    // Get the proper directory path
	sprintf(szDir, "%s\\*", dirname);

    // Get the first file
    hList = FindFirstFile(szDir, &FileData);
    if (hList == INVALID_HANDLE_VALUE)
    {
        //FindClose(hList);
        //printf("No files found %s\n", szDir ); return;
    }
    else
    {
        fFinished = sal_False;
        while (!fFinished)
        {

			sprintf(szSubDir, "%s\\%s", dirname, FileData.cFileName);
			rtl::OString myfile( FileData.cFileName );
			rtl::OString mydir( szSubDir );

            if (FileData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
            {
                if ( (strcmp(FileData.cFileName, ".") != 0 ) &&
					 (strcmp(FileData.cFileName, "..") != 0 ) )
                {
	                //sprintf(szSubDir, "%s\\%s", dirname, FileData.cFileName);
					transex::Directory aDir(	rtl::OStringToOUString( mydir , RTL_TEXTENCODING_UTF8 , mydir.getLength() ),
												rtl::OStringToOUString( myfile , RTL_TEXTENCODING_UTF8 , myfile.getLength() ) );
					aDirVec.push_back( aDir );
                }
            }
			else
			{
				transex::File aFile(	rtl::OStringToOUString( mydir , RTL_TEXTENCODING_UTF8 , mydir.getLength() ),
										rtl::OStringToOUString( myfile , RTL_TEXTENCODING_UTF8 , myfile.getLength() ) );
                aFileVec.push_back( aFile );
			}
            if (!FindNextFile(hList, &FileData))
            {
                if (GetLastError() == ERROR_NO_MORE_FILES)
                {
                    fFinished = sal_True;
                }
            }
        }
    }

    FindClose(hList);

    ::std::sort( aFileVec.begin() , aFileVec.end() , File::lessFile );
    ::std::sort( aDirVec.begin()  , aDirVec.end()  , Directory::lessDir  );
}

#else

class dirholder
{
private:
    DIR *mpDir;
public:
    dirholder(DIR *pDir) : mpDir(pDir) {}
    int close() { int nRet = mpDir ? closedir(mpDir) : 0; mpDir = NULL; return nRet; }
    ~dirholder() { close(); }
};

void Directory::readDirectory( const rtl::OUString& sFullpath )
{
    struct stat     statbuf;
    struct stat     statbuf2;
    struct dirent   *dirp;
    DIR             *dir;

    if( sFullpath.getLength() < 1 ) return;

    rtl::OString   sFullpathext = rtl::OUStringToOString( sFullpath , RTL_TEXTENCODING_UTF8 , sFullpath.getLength() ).getStr();

    // stat
	if( stat( sFullpathext.getStr()  , &statbuf ) < 0 ){   printf("warning: Can not stat %s" , sFullpathext.getStr() ); return; } // error }

    if( S_ISDIR(statbuf.st_mode ) == 0 ) {  return; }// error }   return; // not dir

    if( (dir = opendir( sFullpathext.getStr() ) ) == NULL  ) {printf("readerror 2 in %s \n",sFullpathext.getStr()); return; } // error } return; // error

    dirholder aHolder(dir);

    sFullpathext += rtl::OString( "/" );

    const rtl::OString sDot ( "." ) ;
    const rtl::OString sDDot( ".." );

    if ( chdir( sFullpathext.getStr() ) == -1 ) { printf("chdir error in %s \n",sFullpathext.getStr()); return; } // error

    while(  ( dirp = readdir( dir ) ) != NULL )
    {
        rtl::OString sEntryName(  dirp->d_name );

        if( sEntryName.equals( sDot )  || sEntryName.equals( sDDot ) )
            continue;

        // add dir entry
        rtl::OString sEntity = sFullpathext;
        sEntity += sEntryName;

        // stat new entry
        if( lstat( sEntity.getStr() , &statbuf2 ) < 0 )
        {
            printf("error on entry %s\n" , sEntity.getStr() ) ; // error
            continue;
        }

        // add file / dir to vector
        switch( statbuf2.st_mode & S_IFMT )
        {
            case S_IFREG:
						{
                            rtl::OString sFile = sFullpathext;
                            sFile += sEntryName ;
                            transex::File aFile( rtl::OStringToOUString( sEntity , RTL_TEXTENCODING_UTF8 , sEntity.getLength() ) ,
                                                 rtl::OStringToOUString( sEntryName , RTL_TEXTENCODING_UTF8 , sEntryName.getLength() )
                                               );

							aFileVec.push_back( aFile ) ;
                            break;
                         }
            case S_IFLNK:
                        {
                            if( bSkipLinks )    break;
                        }
            case S_IFDIR:
						{
                            rtl::OString sDir = sFullpathext;
                            sDir += sEntryName ;

                            transex::Directory aDir(
                                                     rtl::OStringToOUString( sEntity , RTL_TEXTENCODING_UTF8 , sEntity.getLength() ) ,
                                                     rtl::OStringToOUString( sEntryName , RTL_TEXTENCODING_UTF8 , sEntryName.getLength() )
                                                   ) ;
                            aDirVec.push_back( aDir ) ;
                            break;
                         }
        }
    }
    if ( chdir( ".." ) == -1 ) { printf("chdir error in .. \n"); return; } // error
    if( aHolder.close() < 0 )   return ; // error

    std::sort( aFileVec.begin() , aFileVec.end() , File::lessFile );
    std::sort( aDirVec.begin()  , aDirVec.end()  , Directory::lessDir  );

}

#endif
}