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/* This file is part of the KDE project
Copyright (C) 2003 Julian Rockey <[email protected]>
Copyright (C) 2003 Alexander Dymo <[email protected]>
Copyright (C) 2003 Mario Scalas <[email protected]>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <qstringlist.h>
#include <qdir.h>
#include <qfileinfo.h>
#include <kdebug.h>
#include <unistd.h>
#include <limits.h>
#include <stdlib.h>
#include "urlutil.h"
#include <kdeversion.h>
///////////////////////////////////////////////////////////////////////////////
// Namespace URLUtil
///////////////////////////////////////////////////////////////////////////////
QString URLUtil::filename(const QString & name) {
int slashPos = name.findRev("/");
return slashPos<0 ? name : name.mid(slashPos+1);
}
///////////////////////////////////////////////////////////////////////////////
QString URLUtil::directory(const QString & name) {
int slashPos = name.findRev("/");
return slashPos<0 ? QString("") : name.left(slashPos);
}
///////////////////////////////////////////////////////////////////////////////
QString URLUtil::getRelativePath(const QString& basepath, const QString& destpath)
{
QString relpath = ".";
if (!QFile::exists(basepath) ||
!QFile::exists(destpath))
return "";
QStringList basedirs = QStringList::split(QString( QChar( QDir::separator() ) ),basepath);
QStringList destdirs = QStringList::split(QString( QChar( QDir::separator() ) ),destpath);
int maxCompare=0;
if (basedirs.count()>=destdirs.count())
maxCompare=destdirs.count();
else
maxCompare=basedirs.count();
int lastCommonDir=-1;
for (int i=0; i<maxCompare; i++)
{
if (basedirs[i] != destdirs[i])
break;
lastCommonDir=i;
}
for (uint i=0;i<basedirs.count()-(lastCommonDir+1); i++)
relpath += QString( QChar( QDir::separator() ) )+QString("..");
for (int i=0; i<lastCommonDir+1; i++)
destdirs.pop_front();
if (destdirs.count())
relpath += QString( QChar( QDir::separator() ) )+destdirs.join( QChar( QDir::separator() ) );
return QDir::cleanDirPath(relpath);
}
///////////////////////////////////////////////////////////////////////////////
QString URLUtil::relativePath(const KURL & parent, const KURL & child, uint slashPolicy) {
bool slashPrefix = slashPolicy & SLASH_PREFIX;
bool slashSuffix = slashPolicy & SLASH_SUFFIX;
if (parent.equals(child,true))
return slashPrefix ? QString("/") : QString("");
if (!parent.isParentOf(child)) return QString();
int a=slashPrefix ? -1 : 1;
int b=slashSuffix ? 1 : -1;
return child.path(b).mid(parent.path(a).length());
}
///////////////////////////////////////////////////////////////////////////////
QString URLUtil::relativePath(const QString & parent, const QString & child, uint slashPolicy) {
return relativePath(KURL(parent), KURL(child), slashPolicy);
}
///////////////////////////////////////////////////////////////////////////////
QString URLUtil::upDir(const QString & path, bool slashSuffix) {
int slashPos = path.findRev("/");
if (slashPos<1) return QString::null;
return path.mid(0,slashPos+ (slashSuffix ? 1 : 0) );
}
///////////////////////////////////////////////////////////////////////////////
KURL URLUtil::mergeURL(const KURL & source, const KURL & dest, const KURL & child) {
// if already a child of source, then fine
if (source.isParentOf(child) || source.equals(child,true)) return child;
// if not a child of dest, return blank URL (error)
if (!dest.isParentOf(child) && !dest.equals(child,true)) return KURL();
// if child is same as dest, return source
if (dest.equals(child,true)) return source;
// calculate
QString childUrlStr = child.url(-1);
QString destStemStr = dest.url(1);
QString sourceStemStr = source.url(1);
return KURL(sourceStemStr.append( childUrlStr.mid( destStemStr.length() ) ) );
}
///////////////////////////////////////////////////////////////////////////////
QString URLUtil::getExtension(const QString & path) {
int dotPos = path.findRev('.');
if (dotPos<0) return QString("");
return path.mid(dotPos+1);
}
///////////////////////////////////////////////////////////////////////////////
QString URLUtil::extractPathNameRelative(const KURL &baseDirUrl, const KURL &url )
{
QString absBase = extractPathNameAbsolute( baseDirUrl ),
absRef = extractPathNameAbsolute( url );
int i = absRef.find( absBase, 0, true );
if (i == -1)
return QString();
if (absRef == absBase)
return QString( "." );
else
return absRef.replace( 0, absBase.length(), QString() );
}
///////////////////////////////////////////////////////////////////////////////
QString URLUtil::extractPathNameRelative(const QString &basePath, const KURL &url )
{
KURL baseDirUrl = KURL::fromPathOrURL( basePath );
return extractPathNameRelative( baseDirUrl, url );
}
///////////////////////////////////////////////////////////////////////////////
QString URLUtil::extractPathNameRelative(const QString &basePath, const QString &absFilePath )
{
KURL baseDirUrl = KURL::fromPathOrURL( basePath ),
fileUrl = KURL::fromPathOrURL( absFilePath );
return extractPathNameRelative( baseDirUrl, fileUrl );
}
///////////////////////////////////////////////////////////////////////////////
QString URLUtil::extractPathNameAbsolute( const KURL &url )
{
if (isDirectory( url ))
return url.path( +1 ); // with trailing "/" if none is present
else
{
// Ok, this is an over-tight pre-condition on "url" since I hope nobody will never
// stress this function with absurd cases ... but who knows?
/*
QString path = url.path();
QFileInfo fi( path ); // Argh: QFileInfo is back ;))
return ( fi.exists()? path : QString() );
*/
return url.path();
}
}
///////////////////////////////////////////////////////////////////////////////
bool URLUtil::isDirectory( const KURL &url )
{
return isDirectory( url.path() );
}
///////////////////////////////////////////////////////////////////////////////
bool URLUtil::isDirectory( const QString &absFilePath )
{
return QDir( absFilePath ).exists();
}
///////////////////////////////////////////////////////////////////////////////
void URLUtil::dump( const KURL::List &urls, const QString &aMessage )
{
if (!aMessage.isNull())
{
kdDebug(9000) << aMessage << endl;
}
kdDebug(9000) << " List has " << urls.count() << " elements." << endl;
for (size_t i = 0; i<urls.count(); ++i)
{
KURL url = urls[ i ];
// kdDebug(9000) << " * Element = " << url.path() << endl;
}
}
///////////////////////////////////////////////////////////////////////////////
QStringList URLUtil::toRelativePaths( const QString &baseDir, const KURL::List &urls)
{
QStringList paths;
for (size_t i=0; i<urls.count(); ++i)
{
paths << extractPathNameRelative( baseDir, urls[i] );
}
return paths;
}
///////////////////////////////////////////////////////////////////////////////
QString URLUtil::relativePathToFile( const QString & dirUrl, const QString & fileUrl )
{
if (dirUrl.isEmpty() || (dirUrl == "/"))
return fileUrl;
QStringList dir = QStringList::split("/", dirUrl, false);
QStringList file = QStringList::split("/", fileUrl, false);
QString resFileName = file.last();
file.remove(file.last());
uint i = 0;
while ( (i < dir.count()) && (i < (file.count())) && (dir[i] == file[i]) )
i++;
QString result_up;
QString result_down;
QString currDir;
QString currFile;
do
{
i >= dir.count() ? currDir = "" : currDir = dir[i];
i >= file.count() ? currFile = "" : currFile = file[i];
//qWarning("i = %d, currDir = %s, currFile = %s", i, currDir.latin1(), currFile.latin1());
if (currDir.isEmpty() && currFile.isEmpty())
break;
else if (currDir.isEmpty())
result_down += file[i] + "/";
else if (currFile.isEmpty())
result_up += "../";
else
{
result_down += file[i] + "/";
result_up += "../";
}
i++;
}
while ( (!currDir.isEmpty()) || (!currFile.isEmpty()) );
return result_up + result_down + resFileName;
}
///////////////////////////////////////////////////////////////////////////////
//TODO: remove for KDE4
QString URLUtil::canonicalPath( const QString & path )
{
QDir dir(path);
return dir.canonicalPath();
}
///////////////////////////////////////////////////////////////////////////////
//written by "Dawit A." <[email protected]>
//borrowed from his patch to KShell
QString URLUtil::envExpand ( const QString& str )
{
uint len = str.length();
if (len > 1 && str[0] == '$')
{
int pos = str.find ('/');
if (pos < 0)
pos = len;
char* ret = getenv( QConstString(str.unicode()+1, pos-1).string().local8Bit().data() );
if (ret)
{
QString expandedStr ( QFile::decodeName( ret ) );
if (pos < (int)len)
expandedStr += str.mid(pos);
return expandedStr;
}
}
return str;
}
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