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krusader/krusader/krservices.cpp

217 lines
5.8 KiB

/***************************************************************************
krservices.cpp - description
-------------------
begin : Thu Aug 8 2002
copyright : (C) 2002 by Shie Erlich & Rafi Yanai
email :
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#include <stdlib.h>
#include <unistd.h>
// QT includes
#include <qdir.h>
// KDE includes
#include <kdebug.h>
// Krusader includes
#include "krservices.h"
#include "krusader.h"
QMap<QString,QString>* KrServices::slaveMap=0;
bool KrServices::cmdExist(QString cmdName)
{
QString lastGroup = krConfig->group();
krConfig->setGroup( "Dependencies" );
if( QFile( krConfig->readEntry( cmdName, QString::null )).exists() )
{
krConfig->setGroup( lastGroup );
return true;
}
krConfig->setGroup( lastGroup );
return !detectFullPathName( cmdName ).isEmpty();
}
QString KrServices::detectFullPathName(QString name)
{
QStringList path = QStringList::split(":",getenv("PATH"));
for ( QStringList::Iterator it = path.begin(); it != path.end(); ++it )
{
if( QDir(*it).exists( name ) )
{
QString dir = *it;
if( !dir.endsWith( "/" ) )
dir+="/";
return dir+name;
}
}
return "";
}
QString KrServices::fullPathName( QString name, QString confName )
{
QString lastGroup = krConfig->group();
QString supposedName;
if( confName.isNull() )
confName = name;
krConfig->setGroup( "Dependencies" );
if( QFile( supposedName = krConfig->readEntry( confName, "" )).exists() )
{
krConfig->setGroup( lastGroup );
return supposedName;
}
if( ( supposedName = detectFullPathName( name ) ).isEmpty() )
{
krConfig->setGroup( lastGroup );
return "";
}
krConfig->writeEntry( confName, supposedName );
krConfig->setGroup( lastGroup );
return supposedName;
}
// TODO: Document me!
QStringList KrServices::separateArgs( QString args )
{
QStringList argList;
int pointer = 0, tokenStart, len = args.length();
bool quoted = false;
QChar quoteCh;
do{
while( pointer < len && args[ pointer ].isSpace() )
pointer++;
if( pointer >= len )
break;
tokenStart = pointer;
QString result="";
for(; pointer < len && ( quoted || !args[ pointer ].isSpace()) ; pointer++)
{
if( !quoted && ( args[pointer] == '"' || args[pointer] == '\'' ) ) {
quoted = true, quoteCh = args[pointer];
continue;
}
else if( quoted && args[pointer] == quoteCh ) {
quoted = false;
continue;
}
else if( !quoted && args[pointer] == '\\' )
{
pointer++;
if(pointer>=len) break;
}
result += args[pointer];
}
argList.append( result );
}while( pointer < len );
return argList;
}
QString KrServices::registerdProtocol(QString mimetype){
if( slaveMap == 0 ){
slaveMap = new QMap<QString,QString>();
krConfig->setGroup( "Protocols" );
QStringList protList = krConfig->readListEntry( "Handled Protocols" );
for( QStringList::Iterator it = protList.begin(); it != protList.end(); it++ ){
QStringList mimes = krConfig->readListEntry( QString( "Mimes For %1" ).arg( *it ) );
for( QStringList::Iterator it2 = mimes.begin(); it2 != mimes.end(); it2++ )
(*slaveMap)[*it2] = *it;
}
}
return (*slaveMap)[mimetype];
}
void KrServices::clearProtocolCache()
{
if( slaveMap )
delete slaveMap;
slaveMap = 0;
}
bool KrServices::fileToStringList(QTextStream *stream, QStringList& target, bool keepEmptyLines) {
if (!stream) return false;
QString line;
while ( !stream->atEnd() ) {
line = stream->readLine().stripWhiteSpace();
if (keepEmptyLines || !line.isEmpty()) target.append(line);
}
return true;
}
QString KrServices::quote( QString name ) {
if( !name.contains( '\'' ) )
return "'" + name + "'";
if( !name.contains( '"' ) && !name.contains( '$' ) )
return "\"" + name + "\"";
return escape( name );
}
QStringList KrServices::quote( const QStringList& names ) {
QStringList result;
for (unsigned i=0; i<names.size(); ++i)
result.append(quote(names[i]));
return result;
}
QString KrServices::escape( QString name ) {
const QString evilstuff = "\\\"'`()[]{}!?;$&<>| \t\r\n"; // stuff that should get escaped
for ( unsigned int i = 0; i < evilstuff.length(); ++i )
name.replace( evilstuff[ i ], ('\\' + evilstuff[ i ]) );
return name;
}
// ------- KEasyProcess
KEasyProcess::KEasyProcess(QObject *parent, const char *name): KProcess(parent, name) {
init();
}
KEasyProcess::KEasyProcess(): KProcess() {
init();
}
void KEasyProcess::init() {
connect(this, SIGNAL(receivedStdout(KProcess *, char *, int)),
this, SLOT(receivedStdout(KProcess *, char *, int)));
connect(this, SIGNAL(receivedStderr(KProcess *, char *, int)),
this, SLOT(receivedStderr(KProcess *, char *, int)));
}
void KEasyProcess::receivedStdout (KProcess * /* proc */, char *buffer, int buflen) {
_stdout+=QString::fromLocal8Bit(buffer, buflen);
}
void KEasyProcess::receivedStderr (KProcess * /* proc */, char *buffer, int buflen) {
_stderr+=QString::fromLocal8Bit(buffer, buflen);
}