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Kross

main.cpp

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00001 /***************************************************************************
00002  * main.cpp
00003  * This file is part of the KDE project
00004  * copyright (C)2006 by Sebastian Sauer (mail@dipe.org)
00005  *
00006  * This program is free software; you can redistribute it and/or
00007  * modify it under the terms of the GNU Library General Public
00008  * License as published by the Free Software Foundation; either
00009  * version 2 of the License, or (at your option) any later version.
00010  * This program is distributed in the hope that it will be useful,
00011  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013  * Library General Public License for more details.
00014  * You should have received a copy of the GNU Library General Public License
00015  * along with this program; see the file COPYING.  If not, write to
00016  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00017  * Boston, MA 02110-1301, USA.
00018  ***************************************************************************/
00019 
00020 // for std namespace
00021 #include <iostream>
00022 
00023 // Qt
00024 
00025 #include <QtCore/QFile>
00026 
00027 // KDE
00028 #include <kapplication.h>
00029 #include <kcmdlineargs.h>
00030 #include <kaboutdata.h>
00031 #include <kurl.h>
00032 
00033 // Kross
00034 #include "../core/manager.h"
00035 #include "../core/action.h"
00036 #include "../core/interpreter.h"
00037 
00038 #define ERROR_OK 0
00039 #define ERROR_HELP -1
00040 #define ERROR_NOSUCHFILE -2
00041 #define ERROR_OPENFAILED -3
00042 #define ERROR_NOINTERPRETER -4
00043 #define ERROR_EXCEPTION -6
00044 
00045 KApplication* app = 0;
00046 
00047 int runScriptFile(const QString& scriptfile)
00048 {
00049     // Read the scriptfile
00050     QFile f(scriptfile);
00051     if(! f.exists()) {
00052         std::cerr << "No such scriptfile: " << scriptfile.toLatin1().data() << std::endl;
00053         return ERROR_NOSUCHFILE;
00054     }
00055     if(! f.open(QIODevice::ReadOnly)) {
00056         std::cerr << "Failed to open scriptfile: " << scriptfile.toLatin1().data() << std::endl;
00057         return ERROR_OPENFAILED;
00058     }
00059     QByteArray scriptcode = f.readAll();
00060     f.close();
00061 
00062     // Determinate the matching interpreter
00063     Kross::InterpreterInfo* interpreterinfo = Kross::Manager::self().interpreterInfo( Kross::Manager::self().interpreternameForFile(scriptfile) );
00064     if(! interpreterinfo) {
00065         std::cerr << "No interpreter for file: " << scriptfile.toLatin1().data() << std::endl;
00066         return ERROR_NOINTERPRETER;
00067     }
00068 
00069     // First we need a Action and fill it.
00070     Kross::Action* action = new Kross::Action(0 /*no parent*/, KUrl(scriptfile));
00071     action->setInterpreter( interpreterinfo->interpreterName() );
00072     action->setCode(scriptcode);
00073 
00074     // Now execute the Action.
00075     action->trigger();
00076 
00077     if(action->hadError()) {
00078         // We had an exception.
00079         std::cerr << QString("%2\n%1").arg(action->errorTrace()).arg(action->errorMessage()).toLatin1().data() << std::endl;
00080         delete action;
00081         return ERROR_EXCEPTION;
00082     }
00083 
00084     delete action;
00085     return ERROR_OK;
00086 }
00087 
00088 int main(int argc, char **argv)
00089 {
00090     int result = ERROR_OK;
00091 
00092     KAboutData about("kross",
00093                      "kdelibs4",
00094                      ki18n("Kross"),
00095                      "0.1",
00096                      ki18n("KDE application to run Kross scripts."),
00097                      KAboutData::License_LGPL,
00098                      ki18n("(C) 2006 Sebastian Sauer"),
00099                      ki18n("Run Kross scripts."),
00100                      "http://kross.dipe.org",
00101                      "kross@dipe.org");
00102     about.addAuthor(ki18n("Sebastian Sauer"), ki18n("Author"), "mail@dipe.org");
00103 
00104     // Initialize command line args
00105     KCmdLineArgs::init(argc, argv, &about);
00106     // Tell which options are supported and parse them.
00107     KCmdLineOptions options;
00108     options.add("+file", ki18n("Scriptfile"));
00109 
00110     KCmdLineArgs::addCmdLineOptions(options);
00111     KCmdLineArgs *args = KCmdLineArgs::parsedArgs();
00112 
00113     // If no options are defined.
00114     if(args->count() < 1) {
00115         std::cout << "Syntax: " << KCmdLineArgs::appName().toLocal8Bit().constData() << " scriptfile1 [scriptfile2] [scriptfile3] ..." << std::endl;
00116         return ERROR_HELP;
00117     }
00118 
00119     // Create KApplication instance.
00120     app = new KApplication( /* GUIenabled */ true );
00121 
00122     // Each argument is a scriptfile to open
00123     for(int i = 0; i < args->count(); i++) {
00124         result = runScriptFile(args->arg(i));
00125         if(result != ERROR_OK)
00126             break;
00127     }
00128 
00129     // Free the KApplication instance and exit the program.
00130     delete app;
00131     return result;
00132 }

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