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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
// WARNING: This code is shared with the qmlplugindump tool code in Qt.
// Modifications to this file need to be applied there.
#include "qmlstreamwriter.h"
#include <QBuffer>
#include <QStringList>
QmlStreamWriter::QmlStreamWriter(QByteArray *array)
: m_indentDepth(0)
, m_pendingLineLength(0)
, m_maybeOneline(false)
, m_stream(new QBuffer(array))
{
m_stream->open(QIODevice::WriteOnly);
}
void QmlStreamWriter::writeStartDocument()
{
}
void QmlStreamWriter::writeEndDocument()
{
}
void QmlStreamWriter::writeLibraryImport(const QString &uri, int majorVersion, int minorVersion, const QString &as)
{
m_stream->write(QString("import %1 %2.%3").arg(uri, QString::number(majorVersion), QString::number(minorVersion)).toUtf8());
if (!as.isEmpty())
m_stream->write(QString(" as %1").arg(as).toUtf8());
m_stream->write("\n");
}
void QmlStreamWriter::writeStartObject(const QString &component)
{
flushPotentialLinesWithNewlines();
writeIndent();
m_stream->write(QString("%1 {").arg(component).toUtf8());
++m_indentDepth;
m_maybeOneline = true;
}
void QmlStreamWriter::writeEndObject()
{
if (m_maybeOneline && !m_pendingLines.isEmpty()) {
--m_indentDepth;
for (int i = 0; i < m_pendingLines.size(); ++i) {
m_stream->write(" ");
m_stream->write(m_pendingLines.at(i).trimmed());
if (i != m_pendingLines.size() - 1)
m_stream->write(";");
}
m_stream->write(" }\n");
m_pendingLines.clear();
m_pendingLineLength = 0;
m_maybeOneline = false;
} else {
if (m_maybeOneline)
flushPotentialLinesWithNewlines();
--m_indentDepth;
writeIndent();
m_stream->write("}\n");
}
}
void QmlStreamWriter::writeScriptBinding(const QString &name, const QString &rhs)
{
writePotentialLine(QString("%1: %2").arg(name, rhs).toUtf8());
}
void QmlStreamWriter::writeArrayBinding(const QString &name, const QStringList &elements)
{
flushPotentialLinesWithNewlines();
writeIndent();
m_stream->write(QString("%1: [\n").arg(name).toUtf8());
++m_indentDepth;
for (int i = 0; i < elements.size(); ++i) {
writeIndent();
m_stream->write(elements.at(i).toUtf8());
if (i != elements.size() - 1) {
m_stream->write(",\n");
} else {
m_stream->write("\n");
}
}
--m_indentDepth;
writeIndent();
m_stream->write("]\n");
}
void QmlStreamWriter::write(const QString &data)
{
flushPotentialLinesWithNewlines();
m_stream->write(data.toUtf8());
}
void QmlStreamWriter::writeScriptObjectLiteralBinding(const QString &name, const QList<QPair<QString, QString> > &keyValue)
{
flushPotentialLinesWithNewlines();
writeIndent();
m_stream->write(QString("%1: {\n").arg(name).toUtf8());
++m_indentDepth;
for (int i = 0; i < keyValue.size(); ++i) {
const QString key = keyValue.at(i).first;
const QString value = keyValue.at(i).second;
writeIndent();
m_stream->write(QString("%1: %2").arg(key, value).toUtf8());
if (i != keyValue.size() - 1) {
m_stream->write(",\n");
} else {
m_stream->write("\n");
}
}
--m_indentDepth;
writeIndent();
m_stream->write("}\n");
}
void QmlStreamWriter::writeIndent()
{
m_stream->write(QByteArray(m_indentDepth * 4, ' '));
}
void QmlStreamWriter::writePotentialLine(const QByteArray &line)
{
m_pendingLines.append(line);
m_pendingLineLength += line.size();
if (m_pendingLineLength >= 80) {
flushPotentialLinesWithNewlines();
}
}
void QmlStreamWriter::flushPotentialLinesWithNewlines()
{
if (m_maybeOneline)
m_stream->write("\n");
foreach (const QByteArray &line, m_pendingLines) {
writeIndent();
m_stream->write(line);
m_stream->write("\n");
}
m_pendingLines.clear();
m_pendingLineLength = 0;
m_maybeOneline = false;
}
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