diff options
author | toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2009-11-25 17:56:58 +0000 |
---|---|---|
committer | toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2009-11-25 17:56:58 +0000 |
commit | 37333bf25ad9a4c538250f5af2f9f1d666362883 (patch) | |
tree | c45e8df5b9efbffe07eb3d9340df7811c7e16943 /kdat/File.cpp | |
download | tdeadmin-37333bf25ad9a4c538250f5af2f9f1d666362883.tar.gz tdeadmin-37333bf25ad9a4c538250f5af2f9f1d666362883.zip |
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923
git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdeadmin@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'kdat/File.cpp')
-rw-r--r-- | kdat/File.cpp | 287 |
1 files changed, 287 insertions, 0 deletions
diff --git a/kdat/File.cpp b/kdat/File.cpp new file mode 100644 index 0000000..7fc8f97 --- /dev/null +++ b/kdat/File.cpp @@ -0,0 +1,287 @@ +// KDat - a tar-based DAT archiver +// Copyright (C) 1998-2000 Sean Vyain, svyain@mail.tds.net +// Copyright (C) 2001-2002 Lawrence Widman, kdat@cardiothink.com +// +// 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. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program; if not, write to the Free Software +// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + +#include <assert.h> +#include <values.h> + +#include "File.h" + +File::File( File* parent, int size, int mtime, int startRecord, int endRecord, const QString & name ) + : _stubbed( FALSE ), + _name( name ), + _parent( parent ) +{ + assert( endRecord >= startRecord ); + + _union._data._size = size; + _union._data._mtime = mtime; + _union._data._startRecord = startRecord; + _union._data._endRecord = endRecord; +} + +File::File( File* parent, FILE* fptr, int offset ) + : _stubbed( TRUE ), + _parent( parent ) +{ + _union._stub._fptr = fptr; + _union._stub._offset = offset; +} + +File::~File() +{ + while ( _children.first() ) { + delete _children.first(); + _children.removeFirst(); + } +} + +void File::read( int version ) +{ + if ( !_stubbed ) { + return; + } + + _stubbed = FALSE; + + FILE* fptr = _union._stub._fptr; + + fseek( fptr, _union._stub._offset, SEEK_SET ); + + // File name (4 bytes + n chars). + int ival; + fread( &ival, sizeof( ival ), 1, fptr ); + + char * buf = new char[ival+1]; + buf[ival] = '\0'; + fread( buf, sizeof( char ), ival, fptr ); + _name = buf; + + delete [] buf; + + // File size (4 bytes). + fread( &ival, sizeof( ival ), 1, fptr ); + _union._data._size = ival; + + // File modification time (4 bytes). + fread( &ival, sizeof( ival ), 1, fptr ); + _union._data._mtime = ival; + + // Start record number. + fread( &ival, sizeof( ival ), 1, fptr ); + _union._data._startRecord = ival; + + // End record number. + fread( &ival, sizeof( ival ), 1, fptr ); + _union._data._endRecord = ival; + + //%%% This is a kludge to cope with some screwed up tape indexes. + //%%% Hopefully the file with the zero end record is *always* at + //%%% the end of the archive. + if ( ( _union._data._endRecord <= 0 ) && ( _union._data._startRecord != _union._data._endRecord ) ) { + _union._data._endRecord = MAXINT; + } + + if ( version > 3 ) { + fread( &ival, sizeof( ival ), 1, fptr ); + int rc = ival; + int start = 0; + int end = 0; + for ( int ii = 0; ii < rc; ii++ ) { + fread( &ival, sizeof( ival ), 1, fptr ); + start = ival; + fread( &ival, sizeof( ival ), 1, fptr ); + end = ival; + _ranges.addRange( start, end ); + } + } + + //===== Read files ===== + fread( &ival, sizeof( ival ), 1, fptr ); + for ( int count = ival; count > 0; count-- ) { + fread( &ival, sizeof( ival ), 1, fptr ); + addChild( new File( this, fptr, ival ) ); + } +} + +void File::readAll( int version ) +{ + read( version ); + + QPtrListIterator<File> i( getChildren() ); + for ( ; i.current(); ++i ) { + i.current()->readAll( version ); + } +} + +void File::write( FILE* fptr ) +{ + int zero = 0; + + // File name (4 bytes + n chars). + int ival = getName().length(); + fwrite( &ival, sizeof( ival ), 1, fptr ); + fwrite( getName().ascii(), sizeof( char ), ival, fptr ); + + // File size (4 bytes). + ival = getSize(); + fwrite( &ival, sizeof( ival ), 1, fptr ); + + // File modification time (4 bytes). + ival = getMTime(); + fwrite( &ival, sizeof( ival ), 1, fptr ); + + // Start record number. + ival = getStartRecord(); + fwrite( &ival, sizeof( ival ), 1, fptr ); + + // End record number. + ival = getEndRecord(); + fwrite( &ival, sizeof( ival ), 1, fptr ); + + // Child range list. + ival = _ranges.getRanges().count(); + fwrite( &ival, sizeof( ival ), 1, fptr ); + QPtrListIterator<Range> it( _ranges.getRanges() ); + for ( ; it.current(); ++it ) { + ival = it.current()->getStart(); + fwrite( &ival, sizeof( ival ), 1, fptr ); + ival = it.current()->getEnd(); + fwrite( &ival, sizeof( ival ), 1, fptr ); + } + + // Number of immediate children (4 bytes). + ival = getChildren().count(); + fwrite( &ival, sizeof( ival ), 1, fptr ); + + // Fill in file offsets later... + int fileTable = ftell( fptr ); + for ( ; ival > 0; ival-- ) { + fwrite( &zero, sizeof( zero ), 1, fptr ); + } + + //===== Write files ===== + ival = _children.count(); + fwrite( &ival, sizeof( ival ), 1, fptr ); + + QPtrListIterator<File> i( _children ); + int count = 0; + for ( ; i.current(); ++i, count++ ) { + // Fill in the file offset. + int here = ftell( fptr ); + fseek( fptr, fileTable + 4*count, SEEK_SET ); + fwrite( &here, sizeof( here ), 1, fptr ); + fseek( fptr, here, SEEK_SET ); + + i.current()->write( fptr ); + } +} + +bool File::isDirectory() +{ + read(); + + return _name[ _name.length() - 1 ] == '/'; +} + +int File::getSize() +{ + read(); + + return _union._data._size; +} + +int File::getMTime() +{ + read(); + + return _union._data._mtime; +} + +int File::getStartRecord() +{ + read(); + + return _union._data._startRecord; +} + +int File::getEndRecord() +{ + read(); + + return _union._data._endRecord; +} + +QString File::getName() +{ + read(); + + return _name; +} + +QString File::getFullPathName() +{ + QString tmp = _name.copy(); + for ( File* parent = getParent(); parent; parent = parent->getParent() ) { + tmp.prepend( parent->getName() ); + } + + return tmp; +} + +File* File::getParent() +{ + return _parent; +} + +const QPtrList<File>& File::getChildren() +{ + read(); + + return _children; +} + +const QPtrList<Range>& File::getRanges() +{ + read(); + + return _ranges.getRanges(); +} + +void File::addChild( File* file ) +{ + read(); + + _children.append( file ); +} + +void File::calcRanges() +{ + assert( !_stubbed ); + + _ranges.clear(); + _ranges.addRange( getStartRecord(), getEndRecord() ); + + QPtrListIterator<File> it( getChildren() ); + for ( ; it.current(); ++it ) { + it.current()->calcRanges(); + QPtrListIterator<Range> it2( it.current()->getRanges() ); + for ( ; it2.current(); ++it2 ) { + _ranges.addRange( it2.current()->getStart(), it2.current()->getEnd() ); + } + } +} |