1 /****************************************************************************
3 ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
4 ** All rights reserved.
5 ** Contact: Nokia Corporation (qt-info@nokia.com)
7 ** This file is part of the tools applications of the Qt Toolkit.
9 ** $QT_BEGIN_LICENSE:LGPL$
10 ** GNU Lesser General Public License Usage
11 ** This file may be used under the terms of the GNU Lesser General Public
12 ** License version 2.1 as published by the Free Software Foundation and
13 ** appearing in the file LICENSE.LGPL included in the packaging of this
14 ** file. Please review the following information to ensure the GNU Lesser
15 ** General Public License version 2.1 requirements will be met:
16 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
18 ** In addition, as a special exception, Nokia gives you certain additional
19 ** rights. These rights are described in the Nokia Qt LGPL Exception
20 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
22 ** GNU General Public License Usage
23 ** Alternatively, this file may be used under the terms of the GNU General
24 ** Public License version 3.0 as published by the Free Software Foundation
25 ** and appearing in the file LICENSE.GPL included in the packaging of this
26 ** file. Please review the following information to ensure the GNU General
27 ** Public License version 3.0 requirements will be met:
28 ** http://www.gnu.org/copyleft/gpl.html.
31 ** Alternatively, this file may be used in accordance with the terms and
32 ** conditions contained in a signed written agreement between you and Nokia.
40 ****************************************************************************/
42 #include "qmlstreamwriter.h"
44 #include <QtCore/QBuffer>
45 #include <QtCore/QStringList>
47 QmlStreamWriter::QmlStreamWriter(QByteArray *array)
49 , m_pendingLineLength(0)
50 , m_maybeOneline(false)
51 , m_stream(new QBuffer(array))
53 m_stream->open(QIODevice::WriteOnly);
56 void QmlStreamWriter::writeStartDocument()
60 void QmlStreamWriter::writeEndDocument()
64 void QmlStreamWriter::writeLibraryImport(const QString &uri, int majorVersion, int minorVersion, const QString &as)
66 m_stream->write(QString("import %1 %2.%3").arg(uri, QString::number(majorVersion), QString::number(minorVersion)).toUtf8());
68 m_stream->write(QString(" as %1").arg(as).toUtf8());
69 m_stream->write("\n");
72 void QmlStreamWriter::writeStartObject(const QString &component)
74 flushPotentialLinesWithNewlines();
76 m_stream->write(QString("%1 {").arg(component).toUtf8());
78 m_maybeOneline = true;
81 void QmlStreamWriter::writeEndObject()
83 if (m_maybeOneline && !m_pendingLines.isEmpty()) {
85 for (int i = 0; i < m_pendingLines.size(); ++i) {
87 m_stream->write(m_pendingLines.at(i).trimmed());
88 if (i != m_pendingLines.size() - 1)
91 m_stream->write(" }\n");
92 m_pendingLines.clear();
93 m_pendingLineLength = 0;
94 m_maybeOneline = false;
97 flushPotentialLinesWithNewlines();
100 m_stream->write("}\n");
104 void QmlStreamWriter::writeScriptBinding(const QString &name, const QString &rhs)
106 writePotentialLine(QString("%1: %2").arg(name, rhs).toUtf8());
109 void QmlStreamWriter::writeArrayBinding(const QString &name, const QStringList &elements)
111 flushPotentialLinesWithNewlines();
114 // try to use a single line
116 singleLine += QString("%1: [").arg(name);
117 for (int i = 0; i < elements.size(); ++i) {
118 singleLine += elements.at(i);
119 if (i != elements.size() - 1)
120 singleLine += QLatin1String(", ");
122 singleLine += QLatin1String("]\n");
123 if (singleLine.size() + m_indentDepth * 4 < 80) {
124 m_stream->write(singleLine.toUtf8());
129 m_stream->write(QString("%1: [\n").arg(name).toUtf8());
131 for (int i = 0; i < elements.size(); ++i) {
133 m_stream->write(elements.at(i).toUtf8());
134 if (i != elements.size() - 1) {
135 m_stream->write(",\n");
137 m_stream->write("\n");
142 m_stream->write("]\n");
145 void QmlStreamWriter::write(const QString &data)
147 flushPotentialLinesWithNewlines();
148 m_stream->write(data.toUtf8());
151 void QmlStreamWriter::writeScriptObjectLiteralBinding(const QString &name, const QList<QPair<QString, QString> > &keyValue)
153 flushPotentialLinesWithNewlines();
155 m_stream->write(QString("%1: {\n").arg(name).toUtf8());
157 for (int i = 0; i < keyValue.size(); ++i) {
158 const QString key = keyValue.at(i).first;
159 const QString value = keyValue.at(i).second;
161 m_stream->write(QString("%1: %2").arg(key, value).toUtf8());
162 if (i != keyValue.size() - 1) {
163 m_stream->write(",\n");
165 m_stream->write("\n");
170 m_stream->write("}\n");
173 void QmlStreamWriter::writeIndent()
175 m_stream->write(QByteArray(m_indentDepth * 4, ' '));
178 void QmlStreamWriter::writePotentialLine(const QByteArray &line)
180 m_pendingLines.append(line);
181 m_pendingLineLength += line.size();
182 if (m_pendingLineLength >= 80) {
183 flushPotentialLinesWithNewlines();
187 void QmlStreamWriter::flushPotentialLinesWithNewlines()
190 m_stream->write("\n");
191 foreach (const QByteArray &line, m_pendingLines) {
193 m_stream->write(line);
194 m_stream->write("\n");
196 m_pendingLines.clear();
197 m_pendingLineLength = 0;
198 m_maybeOneline = false;