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Diffstat (limited to 'libk3b/projects/datacd/k3bfileitem.cpp')
| -rw-r--r-- | libk3b/projects/datacd/k3bfileitem.cpp | 300 |
1 files changed, 300 insertions, 0 deletions
diff --git a/libk3b/projects/datacd/k3bfileitem.cpp b/libk3b/projects/datacd/k3bfileitem.cpp new file mode 100644 index 0000000..d9e288f --- /dev/null +++ b/libk3b/projects/datacd/k3bfileitem.cpp @@ -0,0 +1,300 @@ +/* + * + * $Id: k3bfileitem.cpp 619556 2007-01-03 17:38:12Z trueg $ + * Copyright (C) 2003 Sebastian Trueg <trueg@k3b.org> + * + * This file is part of the K3b project. + * Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * See the file "COPYING" for the exact licensing terms. + */ + +#include <config.h> +#include <k3bglobals.h> + +#include "k3bfileitem.h" +#include "k3bdatadoc.h" +#include "k3bdiritem.h" +#include "k3bisooptions.h" +#include <k3bglobals.h> + +#include <qfileinfo.h> +#include <qstring.h> +#include <qstringlist.h> +#include <qregexp.h> +#include <qfile.h> + +#include <kurl.h> +#include <kdebug.h> + +#include <errno.h> +#include <string.h> + + +bool operator==( const K3bFileItem::Id& id1, const K3bFileItem::Id& id2 ) +{ + return ( id1.device == id2.device && id1.inode == id2.inode ); +} + + +bool operator<( const K3bFileItem::Id& id1, const K3bFileItem::Id& id2 ) +{ + if( id1.device == id2.device ) + return ( id1.inode < id2.inode ); + else + return ( id1.device < id2.device ); +} + + +bool operator>( const K3bFileItem::Id& id1, const K3bFileItem::Id& id2 ) +{ + return !( id2 < id1 || id1 == id2 ); +} + + + +K3bFileItem::K3bFileItem( const QString& filePath, K3bDataDoc* doc, K3bDirItem* dir, const QString& k3bName, int flags ) + : K3bDataItem( doc, dir, flags ), + m_replacedItemFromOldSession(0), + m_localPath(filePath) +{ + if( k3bName.isEmpty() ) + m_k3bName = filePath.section( '/', -1 ); + else + m_k3bName = k3bName; + + // we determine the size here to avoid problems with removed or renamed files + // we need to use lstat here since for symlinks both KDE and QT return the size of the file pointed to + // instead the size of the link. + k3b_struct_stat statBuf; + if( k3b_lstat( QFile::encodeName(filePath), &statBuf ) ) { + m_size = K3b::filesize( filePath ); + m_id.inode = 0; + m_id.device = 0; + m_bSymLink = false; + + kdError() << "(KFileItem) lstat failed: " << strerror(errno) << endl; + + // since we have no proper inode info, disable the inode caching in the doc + if( doc ) { + K3bIsoOptions o( doc->isoOptions() ); + o.setDoNotCacheInodes( true ); + doc->setIsoOptions( o ); + } + } + else { + m_size = (KIO::filesize_t)statBuf.st_size; + + m_bSymLink = S_ISLNK(statBuf.st_mode); + + // + // integrate the device number into the inode since files on different + // devices may have the same inode number! + // + m_id.inode = statBuf.st_ino; + m_id.device = statBuf.st_dev; + } + + m_idFollowed = m_id; + m_sizeFollowed = m_size; + + if( isSymLink() ) { + k3b_struct_stat statBuf; + if( k3b_stat( QFile::encodeName(filePath), &statBuf ) == 0 ) { + m_idFollowed.inode = statBuf.st_ino; + m_idFollowed.device = statBuf.st_dev; + + m_sizeFollowed = (KIO::filesize_t)statBuf.st_size; + } + } + + // add automagically like a qlistviewitem + if( parent() ) + parent()->addDataItem( this ); +} + + +K3bFileItem::K3bFileItem( const k3b_struct_stat* stat, + const k3b_struct_stat* followedStat, + const QString& filePath, K3bDataDoc* doc, K3bDirItem* dir, const QString& k3bName ) + : K3bDataItem( doc, dir ), + m_replacedItemFromOldSession(0), + m_localPath(filePath) +{ + if( k3bName.isEmpty() ) + m_k3bName = filePath.section( '/', -1 ); + else + m_k3bName = k3bName; + + m_size = (KIO::filesize_t)stat->st_size; + m_bSymLink = S_ISLNK(stat->st_mode); + + // + // integrate the device number into the inode since files on different + // devices may have the same inode number! + // + m_id.inode = stat->st_ino; + m_id.device = stat->st_dev; + + if( isSymLink() ) { + m_idFollowed.inode = followedStat->st_ino; + m_idFollowed.device = followedStat->st_dev; + + m_sizeFollowed = (KIO::filesize_t)followedStat->st_size; + } + else { + m_idFollowed = m_id; + m_sizeFollowed = m_size; + } + + if( parent() ) + parent()->addDataItem( this ); +} + + +K3bFileItem::K3bFileItem( const K3bFileItem& item ) + : K3bDataItem( item ), + m_replacedItemFromOldSession(0), + m_size( item.m_size ), + m_sizeFollowed( item.m_sizeFollowed ), + m_id( item.m_id ), + m_idFollowed( item.m_idFollowed ), + m_localPath( item.m_localPath ), + m_bSymLink( item.m_bSymLink ) +{ +} + + +K3bFileItem::~K3bFileItem() +{ + // remove this from parentdir + take(); +} + + +K3bDataItem* K3bFileItem::copy() const +{ + return new K3bFileItem( *this ); +} + + +KIO::filesize_t K3bFileItem::itemSize( bool followSymlinks ) const +{ + if( followSymlinks ) + return m_sizeFollowed; + else + return m_size; +} + + +K3bFileItem::Id K3bFileItem::localId() const +{ + return localId( doc() ? doc()->isoOptions().followSymbolicLinks() || !doc()->isoOptions().createRockRidge() : false ); +} + + +K3bFileItem::Id K3bFileItem::localId( bool followSymlinks ) const +{ + if( followSymlinks ) + return m_idFollowed; + else + return m_id; +} + + +bool K3bFileItem::exists() const +{ + return true; +} + +QString K3bFileItem::absIsoPath() +{ + // return m_dir->absIsoPath() + m_isoName; + return QString::null; +} + + +QString K3bFileItem::localPath() const +{ + return m_localPath; +} + +K3bDirItem* K3bFileItem::getDirItem() const +{ + return getParent(); +} + + +bool K3bFileItem::isSymLink() const +{ + return m_bSymLink; +} + + +QString K3bFileItem::linkDest() const +{ + return QFileInfo( localPath() ).readLink(); +} + + +bool K3bFileItem::isValid() const +{ + if( isSymLink() ) { + + // this link is not valid if we cannot follow it if we want to + if( doc()->isoOptions().followSymbolicLinks() ) { + return QFile::exists( K3b::resolveLink( localPath() ) ); + } + + QString dest = linkDest(); + + if( dest[0] == '/' ) + return false; // absolut links can never be part of the compilation! + + // parse the link + K3bDirItem* dir = getParent(); + + QStringList tokens = QStringList::split( QRegExp("/+"), dest ); // two slashes or more do the same as one does! + + unsigned int i = 0; + while( i < tokens.size() ) { + if( tokens[i] == "." ) { + // ignore it + } + else if( tokens[i] == ".." ) { + // change the directory + dir = dir->parent(); + if( dir == 0 ) + return false; + } + else { + // search for the item in dir + K3bDataItem* d = dir->find( tokens[i] ); + if( d == 0 ) + return false; + + if( d->isDir() ) { + // change directory + dir = (K3bDirItem*)d; + } + else { + if( i+1 != tokens.size() ) + return false; // if di is a file we need to be at the last token + else + return (dest[dest.length()-1] != '/'); // if the link destination ends with a slash + // it can only point to a directory! + } + } + + i++; + } + + return true; + } + else + return true; +} |