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41
42 #include "qmlstreamwriter.h"
43
44 #include <QtCore/QBuffer>
45 #include <QtCore/QStringList>
46
QmlStreamWriter(QByteArray * array)47 QmlStreamWriter::QmlStreamWriter(QByteArray *array)
48 : m_indentDepth(0)
49 , m_pendingLineLength(0)
50 , m_maybeOneline(false)
51 , m_stream(new QBuffer(array))
52 {
53 m_stream->open(QIODevice::WriteOnly);
54 }
55
writeStartDocument()56 void QmlStreamWriter::writeStartDocument()
57 {
58 }
59
writeEndDocument()60 void QmlStreamWriter::writeEndDocument()
61 {
62 }
63
writeLibraryImport(const QString & uri,int majorVersion,int minorVersion,const QString & as)64 void QmlStreamWriter::writeLibraryImport(const QString &uri, int majorVersion, int minorVersion, const QString &as)
65 {
66 m_stream->write(QString("import %1 %2.%3").arg(uri, QString::number(majorVersion), QString::number(minorVersion)).toUtf8());
67 if (!as.isEmpty())
68 m_stream->write(QString(" as %1").arg(as).toUtf8());
69 m_stream->write("\n");
70 }
71
writeStartObject(const QString & component)72 void QmlStreamWriter::writeStartObject(const QString &component)
73 {
74 flushPotentialLinesWithNewlines();
75 writeIndent();
76 m_stream->write(QString("%1 {").arg(component).toUtf8());
77 ++m_indentDepth;
78 m_maybeOneline = true;
79 }
80
writeEndObject()81 void QmlStreamWriter::writeEndObject()
82 {
83 if (m_maybeOneline && !m_pendingLines.isEmpty()) {
84 --m_indentDepth;
85 for (int i = 0; i < m_pendingLines.size(); ++i) {
86 m_stream->write(" ");
87 m_stream->write(m_pendingLines.at(i).trimmed());
88 if (i != m_pendingLines.size() - 1)
89 m_stream->write(";");
90 }
91 m_stream->write(" }\n");
92 m_pendingLines.clear();
93 m_pendingLineLength = 0;
94 m_maybeOneline = false;
95 } else {
96 flushPotentialLinesWithNewlines();
97 --m_indentDepth;
98 writeIndent();
99 m_stream->write("}\n");
100 }
101 }
102
writeScriptBinding(const QString & name,const QString & rhs)103 void QmlStreamWriter::writeScriptBinding(const QString &name, const QString &rhs)
104 {
105 writePotentialLine(QString("%1: %2").arg(name, rhs).toUtf8());
106 }
107
writeArrayBinding(const QString & name,const QStringList & elements)108 void QmlStreamWriter::writeArrayBinding(const QString &name, const QStringList &elements)
109 {
110 flushPotentialLinesWithNewlines();
111 writeIndent();
112 m_stream->write(QString("%1: [\n").arg(name).toUtf8());
113 ++m_indentDepth;
114 for (int i = 0; i < elements.size(); ++i) {
115 writeIndent();
116 m_stream->write(elements.at(i).toUtf8());
117 if (i != elements.size() - 1) {
118 m_stream->write(",\n");
119 } else {
120 m_stream->write("\n");
121 }
122 }
123 --m_indentDepth;
124 writeIndent();
125 m_stream->write("]\n");
126 }
127
write(const QString & data)128 void QmlStreamWriter::write(const QString &data)
129 {
130 flushPotentialLinesWithNewlines();
131 m_stream->write(data.toUtf8());
132 }
133
writeScriptObjectLiteralBinding(const QString & name,const QList<QPair<QString,QString>> & keyValue)134 void QmlStreamWriter::writeScriptObjectLiteralBinding(const QString &name, const QList<QPair<QString, QString> > &keyValue)
135 {
136 flushPotentialLinesWithNewlines();
137 writeIndent();
138 m_stream->write(QString("%1: {\n").arg(name).toUtf8());
139 ++m_indentDepth;
140 for (int i = 0; i < keyValue.size(); ++i) {
141 const QString key = keyValue.at(i).first;
142 const QString value = keyValue.at(i).second;
143 writeIndent();
144 m_stream->write(QString("%1: %2").arg(key, value).toUtf8());
145 if (i != keyValue.size() - 1) {
146 m_stream->write(",\n");
147 } else {
148 m_stream->write("\n");
149 }
150 }
151 --m_indentDepth;
152 writeIndent();
153 m_stream->write("}\n");
154 }
155
writeIndent()156 void QmlStreamWriter::writeIndent()
157 {
158 m_stream->write(QByteArray(m_indentDepth * 4, ' '));
159 }
160
writePotentialLine(const QByteArray & line)161 void QmlStreamWriter::writePotentialLine(const QByteArray &line)
162 {
163 m_pendingLines.append(line);
164 m_pendingLineLength += line.size();
165 if (m_pendingLineLength >= 80) {
166 flushPotentialLinesWithNewlines();
167 }
168 }
169
flushPotentialLinesWithNewlines()170 void QmlStreamWriter::flushPotentialLinesWithNewlines()
171 {
172 if (m_maybeOneline)
173 m_stream->write("\n");
174 foreach (const QByteArray &line, m_pendingLines) {
175 writeIndent();
176 m_stream->write(line);
177 m_stream->write("\n");
178 }
179 m_pendingLines.clear();
180 m_pendingLineLength = 0;
181 m_maybeOneline = false;
182 }
183