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301 lines
6.7 KiB
301 lines
6.7 KiB
/*
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*
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* $Id: k3bfileitem.cpp 619556 2007-01-03 17:38:12Z trueg $
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* Copyright (C) 2003 Sebastian Trueg <trueg@k3b.org>
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*
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* This file is part of the K3b project.
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* Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* See the file "COPYING" for the exact licensing terms.
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*/
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#include <config.h>
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#include <k3bglobals.h>
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#include "k3bfileitem.h"
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#include "k3bdatadoc.h"
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#include "k3bdiritem.h"
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#include "k3bisooptions.h"
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#include <k3bglobals.h>
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#include <tqfileinfo.h>
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#include <tqstring.h>
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#include <tqstringlist.h>
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#include <tqregexp.h>
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#include <tqfile.h>
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#include <kurl.h>
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#include <kdebug.h>
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#include <errno.h>
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#include <string.h>
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bool operator==( const K3bFileItem::Id& id1, const K3bFileItem::Id& id2 )
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{
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return ( id1.device == id2.device && id1.inode == id2.inode );
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}
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bool operator<( const K3bFileItem::Id& id1, const K3bFileItem::Id& id2 )
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{
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if( id1.device == id2.device )
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return ( id1.inode < id2.inode );
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else
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return ( id1.device < id2.device );
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}
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bool operator>( const K3bFileItem::Id& id1, const K3bFileItem::Id& id2 )
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{
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return !( id2 < id1 || id1 == id2 );
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}
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K3bFileItem::K3bFileItem( const TQString& filePath, K3bDataDoc* doc, K3bDirItem* dir, const TQString& k3bName, int flags )
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: K3bDataItem( doc, dir, flags ),
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m_replacedItemFromOldSession(0),
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m_localPath(filePath)
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{
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if( k3bName.isEmpty() )
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m_k3bName = filePath.section( '/', -1 );
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else
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m_k3bName = k3bName;
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// we determine the size here to avoid problems with removed or renamed files
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// we need to use lstat here since for symlinks both KDE and QT return the size of the file pointed to
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// instead the size of the link.
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k3b_struct_stat statBuf;
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if( k3b_lstat( TQFile::encodeName(filePath), &statBuf ) ) {
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m_size = K3b::filesize( filePath );
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m_id.inode = 0;
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m_id.device = 0;
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m_bSymLink = false;
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kdError() << "(KFileItem) lstat failed: " << strerror(errno) << endl;
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// since we have no proper inode info, disable the inode caching in the doc
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if( doc ) {
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K3bIsoOptions o( doc->isoOptions() );
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o.setDoNotCacheInodes( true );
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doc->setIsoOptions( o );
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}
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}
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else {
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m_size = (TDEIO::filesize_t)statBuf.st_size;
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m_bSymLink = S_ISLNK(statBuf.st_mode);
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//
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// integrate the device number into the inode since files on different
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// devices may have the same inode number!
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//
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m_id.inode = statBuf.st_ino;
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m_id.device = statBuf.st_dev;
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}
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m_idFollowed = m_id;
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m_sizeFollowed = m_size;
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if( isSymLink() ) {
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k3b_struct_stat statBuf;
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if( k3b_stat( TQFile::encodeName(filePath), &statBuf ) == 0 ) {
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m_idFollowed.inode = statBuf.st_ino;
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m_idFollowed.device = statBuf.st_dev;
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m_sizeFollowed = (TDEIO::filesize_t)statBuf.st_size;
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}
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}
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// add automagically like a qlistviewitem
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if( parent() )
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parent()->addDataItem( this );
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}
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K3bFileItem::K3bFileItem( const k3b_struct_stat* stat,
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const k3b_struct_stat* followedStat,
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const TQString& filePath, K3bDataDoc* doc, K3bDirItem* dir, const TQString& k3bName )
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: K3bDataItem( doc, dir ),
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m_replacedItemFromOldSession(0),
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m_localPath(filePath)
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{
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if( k3bName.isEmpty() )
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m_k3bName = filePath.section( '/', -1 );
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else
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m_k3bName = k3bName;
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m_size = (TDEIO::filesize_t)stat->st_size;
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m_bSymLink = S_ISLNK(stat->st_mode);
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//
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// integrate the device number into the inode since files on different
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// devices may have the same inode number!
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//
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m_id.inode = stat->st_ino;
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m_id.device = stat->st_dev;
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if( isSymLink() ) {
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m_idFollowed.inode = followedStat->st_ino;
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m_idFollowed.device = followedStat->st_dev;
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m_sizeFollowed = (TDEIO::filesize_t)followedStat->st_size;
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}
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else {
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m_idFollowed = m_id;
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m_sizeFollowed = m_size;
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}
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if( parent() )
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parent()->addDataItem( this );
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}
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K3bFileItem::K3bFileItem( const K3bFileItem& item )
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: K3bDataItem( item ),
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m_replacedItemFromOldSession(0),
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m_size( item.m_size ),
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m_sizeFollowed( item.m_sizeFollowed ),
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m_id( item.m_id ),
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m_idFollowed( item.m_idFollowed ),
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m_localPath( item.m_localPath ),
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m_bSymLink( item.m_bSymLink )
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{
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}
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K3bFileItem::~K3bFileItem()
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{
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// remove this from parentdir
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take();
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}
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K3bDataItem* K3bFileItem::copy() const
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{
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return new K3bFileItem( *this );
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}
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TDEIO::filesize_t K3bFileItem::itemSize( bool followSymlinks ) const
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{
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if( followSymlinks )
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return m_sizeFollowed;
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else
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return m_size;
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}
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K3bFileItem::Id K3bFileItem::localId() const
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{
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return localId( doc() ? doc()->isoOptions().followSymbolicLinks() || !doc()->isoOptions().createRockRidge() : false );
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}
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K3bFileItem::Id K3bFileItem::localId( bool followSymlinks ) const
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{
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if( followSymlinks )
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return m_idFollowed;
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else
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return m_id;
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}
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bool K3bFileItem::exists() const
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{
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return true;
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}
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TQString K3bFileItem::absIsoPath()
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{
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// return m_dir->absIsoPath() + m_isoName;
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return TQString();
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}
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TQString K3bFileItem::localPath() const
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{
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return m_localPath;
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}
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K3bDirItem* K3bFileItem::getDirItem() const
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{
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return getParent();
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}
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bool K3bFileItem::isSymLink() const
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{
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return m_bSymLink;
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}
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TQString K3bFileItem::linkDest() const
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{
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return TQFileInfo( localPath() ).readLink();
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}
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bool K3bFileItem::isValid() const
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{
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if( isSymLink() ) {
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// this link is not valid if we cannot follow it if we want to
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if( doc()->isoOptions().followSymbolicLinks() ) {
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return TQFile::exists( K3b::resolveLink( localPath() ) );
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}
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TQString dest = linkDest();
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if( dest[0] == '/' )
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return false; // absolut links can never be part of the compilation!
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// parse the link
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K3bDirItem* dir = getParent();
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TQStringList tokens = TQStringList::split( TQRegExp("/+"), dest ); // two slashes or more do the same as one does!
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unsigned int i = 0;
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while( i < tokens.size() ) {
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if( tokens[i] == "." ) {
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// ignore it
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}
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else if( tokens[i] == ".." ) {
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// change the directory
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dir = dir->parent();
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if( dir == 0 )
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return false;
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}
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else {
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// search for the item in dir
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K3bDataItem* d = dir->find( tokens[i] );
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if( d == 0 )
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return false;
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if( d->isDir() ) {
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// change directory
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dir = (K3bDirItem*)d;
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}
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else {
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if( i+1 != tokens.size() )
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return false; // if di is a file we need to be at the last token
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else
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return (dest[dest.length()-1] != '/'); // if the link destination ends with a slash
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// it can only point to a directory!
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}
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}
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i++;
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}
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return true;
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}
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else
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return true;
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}
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