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/****************************************************************************
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**
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** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of the Qt Script Generator project on Trolltech Labs.
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**
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** This file may be used under the terms of the GNU General Public
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** License version 2.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of
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** this file. Please review the following information to ensure GNU
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** General Public Licensing requirements will be met:
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** http://www.trolltech.com/products/qt/opensource.html
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**
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** If you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://www.trolltech.com/products/qt/licensing.html or contact the
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** sales department at sales@trolltech.com.
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**
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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**
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****************************************************************************/
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#ifndef MAIN_H
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#define MAIN_H
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#include "pp.h"
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#include <QFile>
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#include <QDir>
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struct Preprocess
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{
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static bool preprocess(const QString &sourceFile, const QString &targetFile, const QString &commandLineIncludes = QString())
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{
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rpp::pp_environment env;
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rpp::pp preprocess(env);
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rpp::pp_null_output_iterator null_out;
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const char *ppconfig = ":/trolltech/generator/parser/rpp/pp-qt-configuration";
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QFile file(ppconfig);
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if (!file.open(QFile::ReadOnly)) {
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fprintf(stderr, "Preprocessor configuration file not found '%s'\n", ppconfig);
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return false;
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}
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QByteArray ba = file.readAll();
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file.close();
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preprocess.operator() (ba.constData(), ba.constData() + ba.size(), null_out);
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QStringList includes;
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includes << QString(".");
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#if defined(Q_OS_WIN32)
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char *path_splitter = ";";
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#else
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const char *path_splitter = ":";
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#endif
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// Environment INCLUDE
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QString includePath = getenv("INCLUDE");
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if (!includePath.isEmpty())
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includes += includePath.split(path_splitter);
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// Includes from the command line
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if (!commandLineIncludes.isEmpty())
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includes += commandLineIncludes.split(path_splitter);
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// Include Qt
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QString qtdir = getenv ("QTDIR");
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if (qtdir.isEmpty()) {
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#if defined(Q_OS_MAC)
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qWarning("QTDIR environment variable not set. Assuming standard binary install using frameworks.");
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QString frameworkDir = "/Library/Frameworks";
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includes << (frameworkDir + "/QtXml.framework/Headers");
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includes << (frameworkDir + "/QtNetwork.framework/Headers");
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includes << (frameworkDir + "/QtCore.framework/Headers");
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includes << (frameworkDir + "/QtGui.framework/Headers");
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includes << (frameworkDir + "/QtOpenGL.framework/Headers");
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includes << frameworkDir;
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#else
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qWarning("QTDIR environment variable not set. This may cause problems with finding the necessary include files.");
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#endif
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} else {
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qtdir += "/include";
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includes << (qtdir + "/QtXml");
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includes << (qtdir + "/QtNetwork");
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includes << (qtdir + "/QtCore");
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includes << (qtdir + "/QtGui");
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includes << (qtdir + "/QtOpenGL");
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includes << qtdir;
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}
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foreach (QString include, includes)
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preprocess.push_include_path(QDir::convertSeparators(include).toStdString());
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QString currentDir = QDir::current().absolutePath();
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QFileInfo sourceInfo(sourceFile);
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QDir::setCurrent(sourceInfo.absolutePath());
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std::string result;
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result.reserve (20 * 1024); // 20K
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result += "# 1 \"builtins\"\n";
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result += "# 1 \"";
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result += sourceFile.toStdString();
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result += "\"\n";
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preprocess.file (sourceInfo.fileName().toStdString(),
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rpp::pp_output_iterator<std::string> (result));
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QDir::setCurrent(currentDir);
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QFile f(targetFile);
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if (!f.open(QIODevice::WriteOnly | QIODevice::Text)) {
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fprintf(stderr, "Failed to write preprocessed file: %s\n", qPrintable(targetFile));
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}
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f.write(result.c_str(), result.length());
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return true;
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}
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};
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#endif // MAIN_H
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