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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** Commercial Usage
**
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
**
**************************************************************************/
#include "snippetsparser.h"
#include <QtCore/QFile>
#include <QtCore/QFileInfo>
#include <QtCore/QLatin1String>
#include <QtCore/QLatin1Char>
#include <QtCore/QVariant>
#include <QtCore/QXmlStreamReader>
#include <QtCore/QDebug>
using namespace TextEditor;
SnippetsParser::SnippetsParser(const QString &fileName) : m_fileName(fileName)
{}
const QList<CompletionItem> &SnippetsParser::execute(ICompletionCollector *collector,
const QIcon &icon,
int order)
{
const QDateTime &lastModified = QFileInfo(m_fileName).lastModified();
if (m_lastTrackedFileChange.isNull() || m_lastTrackedFileChange != lastModified) {
m_snippets.clear();
QFile file(m_fileName);
file.open(QIODevice::ReadOnly);
QXmlStreamReader xml(&file);
if (xml.readNextStartElement()) {
if (xml.name() == QLatin1String("snippets")) {
while (xml.readNextStartElement()) {
if (xml.name() == QLatin1String("snippet")) {
TextEditor::CompletionItem item(collector);
QString title;
QString data;
QString description = xml.attributes().value("description").toString();
while (!xml.atEnd()) {
xml.readNext();
if (xml.isEndElement()) {
int i = 0;
while (i < data.size() && data.at(i).isLetterOrNumber())
++i;
title = data.left(i);
item.text = title;
if (!description.isEmpty()) {
item.text += QLatin1Char(' ');
item.text += description;
}
item.data = QVariant::fromValue(data);
QString infotip = data;
while (infotip.size() && infotip.at(infotip.size()-1).isSpace())
infotip.chop(1);
infotip.replace(QLatin1Char('\n'), QLatin1String("<br>"));
infotip.replace(QLatin1Char(' '), QLatin1String(" "));
{
QString s = QLatin1String("<nobr>");
int count = 0;
for (int i = 0; i < infotip.count(); ++i) {
if (infotip.at(i) != QChar::ObjectReplacementCharacter) {
s += infotip.at(i);
continue;
}
if (++count % 2) {
s += QLatin1String("<b>");
} else {
if (infotip.at(i-1) == QChar::ObjectReplacementCharacter)
s += QLatin1String("...");
s += QLatin1String("</b>");
}
}
infotip = s;
}
item.details = infotip;
item.icon = icon;
item.order = order;
item.isSnippet = true;
m_snippets.append(item);
break;
}
if (xml.isCharacters())
data += xml.text();
else if (xml.isStartElement()) {
if (xml.name() != QLatin1String("tab"))
xml.raiseError(QLatin1String("invalid snippets file"));
else {
data += QChar::ObjectReplacementCharacter;
data += xml.readElementText();
data += QChar::ObjectReplacementCharacter;
}
}
}
} else {
xml.skipCurrentElement();
}
}
} else {
xml.skipCurrentElement();
}
}
if (xml.hasError())
qWarning() << m_fileName << xml.errorString() << xml.lineNumber() << xml.columnNumber();
file.close();
m_lastTrackedFileChange = lastModified;
}
return m_snippets;
}