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