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/****************************************************************************
**
** Copyright (C) 2007-2008 Trolltech ASA. All rights reserved.
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** This file is part of the documentation of the Qt Toolkit.
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#include <QtCore/QCoreApplication>
#include <QtCore/QFile>
#include <QtCore/QLibraryInfo>
#include <QtCore/QStringList>
#include <QtCore/QTextStream>
#include <QtXmlPatterns/QXmlNamePool>
#include <QtXmlPatterns/QXmlQuery>
#include <QtXmlPatterns/QXmlSerializer>
#include "filetree.h"
int main(int argc, char **argv)
{
enum {
WrongArguments = 1,
FileError,
InvalidQuery
};
QCoreApplication app(argc, argv);
if (app.arguments().count() < 2) {
QTextStream(stderr) << "No query file or directory provided." << endl
<< "filetree file.xq dir_path" << endl;
return WrongArguments;
}
if (app.arguments().count() > 3) {
QTextStream(stderr) << "Too many arguments." << endl
<< "filetree file.xq dir_path" << endl;
return WrongArguments;
}
QFile file(app.arguments().at(1));
if (!file.open(QIODevice::ReadOnly)) {
QTextStream(stderr) << "Failed to open " << file.fileName() << endl;
return FileError;
}
QXmlQuery query;
FileTree fileTree(query.namePool());
query.setQuery(&file, QUrl::fromLocalFile(file.fileName()));
QString dir;
if (app.arguments().count() == 2)
dir = QLibraryInfo::location(QLibraryInfo::ExamplesPath);
else
dir = app.arguments().at(2);
query.bindVariable(QLatin1String("exampleDirectory"),fileTree.nodeFor(dir));
if(!query.isValid())
return InvalidQuery;
QFile out;
out.open(stdout, QIODevice::WriteOnly);
QXmlSerializerPointer serializer(new QXmlSerializer(query, &out));
query.evaluateToReceiver(serializer);
return 0;
}
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