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311 lines
9.1 KiB
311 lines
9.1 KiB
/* This file is part of the KDE project
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Copyright (C) 2003 Julian Rockey <linux@jrockey.com>
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Copyright (C) 2003 Alexander Dymo <cloudtemple@mksat.net>
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Copyright (C) 2003 Mario Scalas <mario.scalas@libero.it>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include "urlutil.h"
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#include <tqstringlist.h>
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#include <tqdir.h>
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#include <tqfileinfo.h>
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#include <kdebug.h>
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#include <unistd.h>
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#include <limits.h>
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#include <stdlib.h>
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#include <tdeversion.h>
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#if (TDE_VERSION_MINOR==0) && (TDE_VERSION_MAJOR==3)
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#include <kdevkurl.h>
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#endif
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///////////////////////////////////////////////////////////////////////////////
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// Namespace URLUtil
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///////////////////////////////////////////////////////////////////////////////
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TQString URLUtil::filename(const TQString & name) {
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int slashPos = name.findRev("/");
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return slashPos<0 ? name : name.mid(slashPos+1);
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}
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///////////////////////////////////////////////////////////////////////////////
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TQString URLUtil::directory(const TQString & name) {
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int slashPos = name.findRev("/");
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return slashPos<0 ? TQString("") : name.left(slashPos);
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}
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///////////////////////////////////////////////////////////////////////////////
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TQString URLUtil::relativePath(const KURL & parent, const KURL & child, uint slashPolicy) {
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bool slashPrefix = slashPolicy & SLASH_PREFIX;
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bool slashSuffix = slashPolicy & SLASH_SUFFIX;
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if (parent == child)
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return slashPrefix ? TQString("/") : TQString("");
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if (!parent.isParentOf(child)) return TQString();
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int a=slashPrefix ? -1 : 1;
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int b=slashSuffix ? 1 : -1;
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return child.path(b).mid(parent.path(a).length());
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}
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///////////////////////////////////////////////////////////////////////////////
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TQString URLUtil::relativePath(const TQString & parent, const TQString & child, uint slashPolicy) {
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return relativePath(KURL(parent), KURL(child), slashPolicy);
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}
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///////////////////////////////////////////////////////////////////////////////
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TQString URLUtil::upDir(const TQString & path, bool slashSuffix) {
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int slashPos = path.findRev("/");
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if (slashPos<1) return TQString();
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return path.mid(0,slashPos+ (slashSuffix ? 1 : 0) );
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}
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///////////////////////////////////////////////////////////////////////////////
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KURL URLUtil::mergeURL(const KURL & source, const KURL & dest, const KURL & child) {
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// if already a child of source, then fine
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if (source.isParentOf(child) || source == child) return child;
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// if not a child of dest, return blank URL (error)
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if (!dest.isParentOf(child) && dest != child) return KURL();
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// if child is same as dest, return source
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if (dest == child) return source;
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// calculate
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TQString childUrlStr = child.url(-1);
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TQString destStemStr = dest.url(1);
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TQString sourceStemStr = source.url(1);
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return KURL(sourceStemStr.append( childUrlStr.mid( destStemStr.length() ) ) );
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}
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///////////////////////////////////////////////////////////////////////////////
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TQString URLUtil::getExtension(const TQString & path) {
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int dotPos = path.findRev('.');
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if (dotPos<0) return TQString("");
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return path.mid(dotPos+1);
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}
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///////////////////////////////////////////////////////////////////////////////
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TQString URLUtil::extractPathNameRelative(const KURL &baseDirUrl, const KURL &url )
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{
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TQString absBase = extractPathNameAbsolute( baseDirUrl ),
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absRef = extractPathNameAbsolute( url );
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int i = absRef.find( absBase, 0, true );
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if (i == -1)
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return TQString();
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if (absRef == absBase)
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return TQString( "." );
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else
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return absRef.replace( 0, absBase.length(), TQString() );
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}
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///////////////////////////////////////////////////////////////////////////////
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TQString URLUtil::extractPathNameRelative(const TQString &basePath, const KURL &url )
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{
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#if (TDE_VERSION_MINOR!=0) || (TDE_VERSION_MAJOR!=3)
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KURL baseDirUrl = KURL::fromPathOrURL( basePath );
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#else
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KURL baseDirUrl = KdevKURL::fromPathOrURL( basePath );
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#endif
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return extractPathNameRelative( baseDirUrl, url );
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}
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///////////////////////////////////////////////////////////////////////////////
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TQString URLUtil::extractPathNameRelative(const TQString &basePath, const TQString &absFilePath )
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{
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#if (TDE_VERSION_MINOR!=0) || (TDE_VERSION_MAJOR!=3)
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KURL baseDirUrl = KURL::fromPathOrURL( basePath ),
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fileUrl = KURL::fromPathOrURL( absFilePath );
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#else
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KURL baseDirUrl = KdevKURL::fromPathOrURL( basePath ),
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fileUrl = KdevKURL::fromPathOrURL( absFilePath );
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#endif
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return extractPathNameRelative( baseDirUrl, fileUrl );
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}
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///////////////////////////////////////////////////////////////////////////////
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TQString URLUtil::extractPathNameAbsolute( const KURL &url )
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{
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if (isDirectory( url ))
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return url.path( +1 ); // with trailing "/" if none is present
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else
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{
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// Ok, this is an over-tight pre-condition on "url" since I hope nobody will never
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// stress this function with absurd cases ... but who knows?
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/*
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TQString path = url.path();
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TQFileInfo fi( path ); // Argh: TQFileInfo is back ;))
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return ( fi.exists()? path : TQString() );
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*/
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return url.path();
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}
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}
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///////////////////////////////////////////////////////////////////////////////
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bool URLUtil::isDirectory( const KURL &url )
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{
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return isDirectory( url.path() );
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}
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///////////////////////////////////////////////////////////////////////////////
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bool URLUtil::isDirectory( const TQString &absFilePath )
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{
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return TQDir( absFilePath ).exists();
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}
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///////////////////////////////////////////////////////////////////////////////
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void URLUtil::dump( const KURL::List &urls, const TQString &aMessage )
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{
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if (!aMessage.isNull())
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{
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kdDebug(9000) << aMessage << endl;
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}
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kdDebug(9000) << " List has " << urls.count() << " elements." << endl;
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for (size_t i = 0; i<urls.count(); ++i)
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{
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KURL url = urls[ i ];
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// kdDebug(9000) << " * Element = " << url.path() << endl;
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}
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}
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///////////////////////////////////////////////////////////////////////////////
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TQStringList URLUtil::toRelativePaths( const TQString &baseDir, const KURL::List &urls)
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{
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TQStringList paths;
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for (size_t i=0; i<urls.count(); ++i)
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{
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paths << extractPathNameRelative( baseDir, urls[i] );
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}
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return paths;
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}
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///////////////////////////////////////////////////////////////////////////////
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TQString URLUtil::relativePathToFile( const TQString & dirUrl, const TQString & fileUrl )
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{
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if (dirUrl.isEmpty() || (dirUrl == "/"))
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return fileUrl;
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TQStringList dir = TQStringList::split("/", dirUrl, false);
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TQStringList file = TQStringList::split("/", fileUrl, false);
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TQString resFileName = file.last();
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file.remove(file.last());
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uint i = 0;
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while ( (i < dir.count()) && (i < (file.count())) && (dir[i] == file[i]) )
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i++;
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TQString result_up;
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TQString result_down;
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TQString currDir;
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TQString currFile;
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do
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{
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i >= dir.count() ? currDir = "" : currDir = dir[i];
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i >= file.count() ? currFile = "" : currFile = file[i];
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qWarning("i = %d, currDir = %s, currFile = %s", i, currDir.latin1(), currFile.latin1());
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if (currDir.isEmpty() && currFile.isEmpty())
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break;
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else if (currDir.isEmpty())
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result_down += file[i] + '/';
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else if (currFile.isEmpty())
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result_up += "../";
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else
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{
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result_down += file[i] + '/';
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result_up += "../";
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}
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i++;
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}
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while ( (!currDir.isEmpty()) || (!currFile.isEmpty()) );
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return result_up + result_down + resFileName;
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}
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///////////////////////////////////////////////////////////////////////////////
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// code from qt-3.1.2 version of TQDir::canonicalPath()
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TQString URLUtil::canonicalPath( const TQString & path )
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{
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TQString r;
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char cur[PATH_MAX+1];
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if ( ::getcwd( cur, PATH_MAX ) )
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{
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char tmp[PATH_MAX+1];
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if( ::realpath( TQFile::encodeName( path ), tmp ) )
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{
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r = TQFile::decodeName( tmp );
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}
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//always make sure we go back to the current dir
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::chdir( cur );
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}
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return r;
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}
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///////////////////////////////////////////////////////////////////////////////
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//written by "Dawit A." <adawit@kde.org>
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//borrowed from his patch to KShell
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TQString URLUtil::envExpand ( const TQString& str )
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{
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uint len = str.length();
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if (len > 1 && str[0] == '$')
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{
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int pos = str.find ('/');
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if (pos < 0)
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pos = len;
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char* ret = getenv( TQConstString(str.tqunicode()+1, pos-1).string().local8Bit().data() );
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if (ret)
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{
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TQString expandedStr ( TQFile::decodeName( ret ) );
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if (pos < (int)len)
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expandedStr += str.mid(pos);
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return expandedStr;
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}
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}
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return str;
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}
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