source: trunk/qmake/main.cpp@ 184

/****************************************************************************
** $Id: main.cpp 8 2005-11-16 19:36:46Z dmik $
**
** ???
**
** Copyright (C) 1992-2003 Trolltech AS.  All rights reserved.
**
** This file is part of qmake.
**
** This file may be distributed under the terms of the Q Public License
** as defined by Trolltech AS of Norway and appearing in the file
** LICENSE.QPL included in the packaging of this file.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** Licensees holding valid Qt Enterprise Edition licenses may use this
** file in accordance with the Qt Commercial License Agreement provided
** with the Software.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
**   information about Qt Commercial License Agreements.
** See http://www.trolltech.com/qpl/ for QPL licensing information.
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/

#include "project.h"
#include "property.h"
#include "option.h"
#include "makefile.h"
#include <qnamespace.h>
#include <qregexp.h>
#include <qdir.h>
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>

// for Borland, main is defined to qMain which breaks qmake
#undef main
#ifdef Q_OS_MAC
// for qurl
bool qt_resolve_symlinks = FALSE;
#endif

int main(int argc, char **argv)
{
    /* parse command line */
    if(!Option::parseCommandLine(argc, argv))
        return 666;

    QDir sunworkshop42workaround = QDir::current();
    QString oldpwd = sunworkshop42workaround.currentDirPath();
#if defined(Q_WS_WIN) || defined(Q_OS_OS2) 
    if(!(oldpwd.length() == 3 && oldpwd[0].isLetter() && oldpwd.endsWith(":/") ) )
#endif
    {
        if(oldpwd.right(1) != QString(QChar(QDir::separator())))
            oldpwd += QDir::separator();
    }
    Option::output_dir = oldpwd; //for now this is the output dir

    if(Option::output.name() != "-") {
        QFileInfo fi(Option::output);
        QString dir;
        if(fi.isDir()) {
            dir = fi.filePath();
        } else {
            QString tmp_dir = fi.dirPath();
            if(!tmp_dir.isEmpty() && QFile::exists(tmp_dir))
                dir = tmp_dir;
        }
        if(!dir.isNull() && dir != ".") 
            Option::output_dir = dir;
        if(QDir::isRelativePath(Option::output_dir))
            Option::output_dir.prepend(oldpwd);
    }

    QMakeProperty prop;
    if(Option::qmake_mode == Option::QMAKE_QUERY_PROPERTY || Option::qmake_mode == Option::QMAKE_SET_PROPERTY) 
        return prop.exec() ? 0 : 101;

    QMakeProject proj(&prop);
    int exit_val = 0;
    QStringList files;
    if(Option::qmake_mode == Option::QMAKE_GENERATE_PROJECT)
        files << "(*hack*)"; //we don't even use files, but we do the for() body once
    else
        files = Option::mkfile::project_files;
    for(QStringList::Iterator pfile = files.begin(); pfile != files.end(); pfile++) {
        if(Option::qmake_mode == Option::QMAKE_GENERATE_MAKEFILE ||
           Option::qmake_mode == Option::QMAKE_GENERATE_PRL) {
            QString fn = Option::fixPathToLocalOS((*pfile));

            //setup pwd properly
            debug_msg(1, "Resetting dir to: %s", oldpwd.latin1());
            QDir::setCurrent(oldpwd); //reset the old pwd
            int di = fn.findRev(Option::dir_sep);
            if(di != -1) {
                debug_msg(1, "Changing dir to: %s", fn.left(di).latin1());
                if(!QDir::setCurrent(fn.left(di)))
                    fprintf(stderr, "Cannot find directory: %s\n", fn.left(di).latin1());
                fn = fn.right(fn.length() - di - 1);
            }

            /* read project.. */
            if(!proj.read(fn, oldpwd)) {
                fprintf(stderr, "Error processing project file: %s\n", 
                        fn == "-" ? "(stdin)" : (*pfile).latin1());
                exit_val = 2;
                continue;
            }
            if(Option::mkfile::do_preprocess) //no need to create makefile
                continue;
            
            /* let Option post-process */
            if(!Option::postProcessProject(&proj)) {
                fprintf(stderr, "Error post-processing project file: %s", 
                        fn == "-" ? "(stdin)" : (*pfile).latin1());
                exit_val = 8;
                continue;
            }
        }

        bool using_stdout = FALSE;
        MakefileGenerator *mkfile = MakefileGenerator::create(&proj); //figure out generator
        if(mkfile && (Option::qmake_mode == Option::QMAKE_GENERATE_MAKEFILE ||
                      Option::qmake_mode == Option::QMAKE_GENERATE_PROJECT)) {
            //open output
            if(!(Option::output.state() & IO_Open)) {
                if(Option::output.name() == "-") {
                    Option::output.setName("");
                    Option::output_dir = QDir::currentDirPath();
                    Option::output.open(IO_WriteOnly | IO_Translate, stdout);
                    using_stdout = TRUE;
                } else {
                    if(Option::output.name().isEmpty() && Option::qmake_mode == Option::QMAKE_GENERATE_MAKEFILE)
                        Option::output.setName(proj.first("QMAKE_MAKEFILE"));
                    Option::output_dir = oldpwd;
                    if(!mkfile->openOutput(Option::output)) {
                        fprintf(stderr, "Failure to open file: %s\n",
                                Option::output.name().isEmpty() ? "(stdout)" : Option::output.name().latin1());
                        return 5;
                    }
                }
            }
        } else {
            using_stdout = TRUE; //kind of..
        }
        if(mkfile && !mkfile->write()) {
            if(Option::qmake_mode == Option::QMAKE_GENERATE_PROJECT)
                fprintf(stderr, "Unable to generate project file.\n");
            else
                fprintf(stderr, "Unable to generate makefile for: %s\n", (*pfile).latin1());
            if(!using_stdout)
                QFile::remove(Option::output.name());
            exit_val = 6;
        }
        delete mkfile;
        mkfile = NULL;

        /* debugging */
        if(Option::debug_level) {
            QMap<QString, QStringList> &vars = proj.variables();
            for(QMap<QString, QStringList>::Iterator it = vars.begin(); it != vars.end(); ++it) {
                if(!it.key().startsWith(".") && !it.data().isEmpty())
                    debug_msg(1, "%s === %s", it.key().latin1(), it.data().join(" :: ").latin1());
            }
        }
    }
    return exit_val;
}