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08f6af608a
qt5base-lts/qmake/generators/xmloutput.cpp
Jani Heikkinen 83a5694dc2 Update copyright headers 
Qt copyrights are now in The Qt Company, so we could update the source
code headers accordingly. In the same go we should also fix the links to
point to qt.io.

Outdated header.LGPL removed (use header.LGPL21 instead)

Old header.LGPL3 renamed to header.LGPL3-COMM to match actual licensing
combination. New header.LGPL-COMM taken in the use file which were
using old header.LGPL3 (src/plugins/platforms/android/extract.cpp)

Added new header.LGPL3 containing Commercial + LGPLv3 + GPLv2 license
combination

Change-Id: I6f49b819a8a20cc4f88b794a8f6726d975e8ffbe
Reviewed-by: Matti Paaso <matti.paaso@theqtcompany.com>
2015-02-11 06:49:51 +00:00

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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the qmake application of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "xmloutput.h"
QT_BEGIN_NAMESPACE
XmlOutput::XmlOutput(QTextStream &file, ConverstionType type)
: xmlFile(file), indent("\t"), currentLevel(0), currentState(Bare), format(NewLine),
conversion(type)
{
tagStack.clear();
}
XmlOutput::~XmlOutput()
{
closeAll();
}
// Settings ------------------------------------------------------------------
void XmlOutput::setIndentString(const QString &indentString)
{
indent = indentString;
}
QString XmlOutput::indentString()
{
return indent;
}
void XmlOutput::setIndentLevel(int level)
{
currentLevel = level;
}
int XmlOutput::indentLevel()
{
return currentLevel;
}
void XmlOutput::setState(XMLState state)
{
currentState = state;
}
void XmlOutput::setFormat(XMLFormat newFormat)
{
format = newFormat;
}
XmlOutput::XMLState XmlOutput::state()
{
return currentState;
}
void XmlOutput::updateIndent()
{
currentIndent.clear();
for (int i = 0; i < currentLevel; ++i)
currentIndent.append(indent);
}
void XmlOutput::increaseIndent()
{
++currentLevel;
updateIndent();
}
void XmlOutput::decreaseIndent()
{
if (currentLevel)
--currentLevel;
updateIndent();
if (!currentLevel)
currentState = Bare;
}
QString XmlOutput::doConversion(const QString &text)
{
if (!text.count())
return QString();
else if (conversion == NoConversion)
return text;
QString output;
if (conversion == XMLConversion) {
// this is a way to escape characters that shouldn't be converted
for (int i=0; i<text.count(); ++i) {
if (text.at(i) == QLatin1Char('&')) {
if ( (i + 7) < text.count() &&
text.at(i + 1) == QLatin1Char('#') &&
text.at(i + 2) == QLatin1Char('x') &&
text.at(i + 7) == QLatin1Char(';') ) {
output += text.at(i);
} else {
output += QLatin1String("&amp;");
}
} else {
QChar c = text.at(i);
if (c.unicode() < 0x20) {
output += QString("&#x%1;").arg(c.unicode(), 2, 16, QLatin1Char('0'));
} else {
output += text.at(i);
}
}
}
} else {
output = text;
}
if (conversion == XMLConversion) {
output.replace('\"', "&quot;");
output.replace('\'', "&apos;");
} else if (conversion == EscapeConversion) {
output.replace('\"', "\\\"");
output.replace('\'', "\\\'");
}
return output;
}
// Stream functions ----------------------------------------------------------
XmlOutput& XmlOutput::operator<<(const QString& o)
{
return operator<<(data(o));
}
XmlOutput& XmlOutput::operator<<(const xml_output& o)
{
switch(o.xo_type) {
case tNothing:
break;
case tRaw:
addRaw(o.xo_text);
break;
case tDeclaration:
addDeclaration(o.xo_text, o.xo_value);
break;
case tTag:
newTagOpen(o.xo_text);
break;
case tTagValue:
addRaw(QString("\n%1<%2>").arg(currentIndent).arg(o.xo_text));
addRaw(doConversion(o.xo_value));
addRaw(QString("</%1>").arg(o.xo_text));
break;
case tValueTag:
addRaw(doConversion(o.xo_text));
setFormat(NoNewLine);
closeTag();
setFormat(NewLine);
break;
case tImport:
addRaw(QString("\n%1<Import %2=\"%3\" />").arg(currentIndent).arg(o.xo_text).arg(o.xo_value));
break;
case tCloseTag:
if (o.xo_value.count())
closeAll();
else if (o.xo_text.count())
closeTo(o.xo_text);
else
closeTag();
break;
case tAttribute:
addAttribute(o.xo_text, o.xo_value);
break;
case tAttributeTag:
addAttributeTag(o.xo_text, o.xo_value);
break;
case tData:
{
// Special case to be able to close tag in normal
// way ("</tag>", not "/>") without using addRaw()..
if (!o.xo_text.count()) {
closeOpen();
break;
}
QString output = doConversion(o.xo_text);
output.replace('\n', "\n" + currentIndent);
addRaw(QString("\n%1%2").arg(currentIndent).arg(output));
}
break;
case tComment:
{
QString output("<!--%1-->");
addRaw(output.arg(o.xo_text));
}
break;
case tCDATA:
{
QString output("<![CDATA[\n%1\n]]>");
addRaw(output.arg(o.xo_text));
}
break;
}
return *this;
}
// Output functions ----------------------------------------------------------
void XmlOutput::newTag(const QString &tag)
{
Q_ASSERT_X(tag.count(), "XmlOutput", "Cannot open an empty tag");
newTagOpen(tag);
closeOpen();
}
void XmlOutput::newTagOpen(const QString &tag)
{
Q_ASSERT_X(tag.count(), "XmlOutput", "Cannot open an empty tag");
closeOpen();
if (format == NewLine)
xmlFile << endl << currentIndent;
xmlFile << '<' << doConversion(tag);
currentState = Attribute;
tagStack.append(tag);
increaseIndent(); // ---> indent
}
void XmlOutput::closeOpen()
{
switch(currentState) {
case Bare:
case Tag:
return;
case Attribute:
break;
}
xmlFile << '>';
currentState = Tag;
}
void XmlOutput::closeTag()
{
switch(currentState) {
case Bare:
if (tagStack.count())
//warn_msg(WarnLogic, "<Root>: Cannot close tag in Bare state, %d tags on stack", tagStack.count());
qDebug("<Root>: Cannot close tag in Bare state, %d tags on stack", tagStack.count());
else
//warn_msg(WarnLogic, "<Root>: Cannot close tag, no tags on stack");
qDebug("<Root>: Cannot close tag, no tags on stack");
return;
case Tag:
decreaseIndent(); // <--- Pre-decrease indent
if (format == NewLine)
xmlFile << endl << currentIndent;
xmlFile << "</" << doConversion(tagStack.last()) << '>';
tagStack.pop_back();
break;
case Attribute:
xmlFile << " />";
tagStack.pop_back();
currentState = Tag;
decreaseIndent(); // <--- Post-decrease indent
break;
}
}
void XmlOutput::closeTo(const QString &tag)
{
bool cont = true;
if (!tagStack.contains(tag) && !tag.isNull()) {
//warn_msg(WarnLogic, "<%s>: Cannot close to tag <%s>, not on stack", tagStack.last().latin1(), tag.latin1());
qDebug("<%s>: Cannot close to tag <%s>, not on stack", tagStack.last().toLatin1().constData(), tag.toLatin1().constData());
return;
}
int left = tagStack.count();
while (left-- && cont) {
cont = tagStack.last().compare(tag) != 0;
closeTag();
}
}
void XmlOutput::closeAll()
{
if (!tagStack.count())
return;
closeTo(QString());
}
void XmlOutput::addDeclaration(const QString &version, const QString &encoding)
{
switch(currentState) {
case Bare:
break;
case Tag:
case Attribute:
//warn_msg(WarnLogic, "<%s>: Cannot add declaration when not in bare state", tagStack.last().toLatin1().constData());
qDebug("<%s>: Cannot add declaration when not in bare state", tagStack.last().toLatin1().constData());
return;
}
QString outData = QString("<?xml version=\"%1\" encoding=\"%2\"?>")
.arg(doConversion(version))
.arg(doConversion(encoding));
addRaw(outData);
}
void XmlOutput::addRaw(const QString &rawText)
{
closeOpen();
xmlFile << rawText;
}
void XmlOutput::addAttribute(const QString &attribute, const QString &value)
{
switch(currentState) {
case Bare:
case Tag:
//warn_msg(WarnLogic, "<%s>: Cannot add attribute since tags not open", tagStack.last().toLatin1().constData());
qDebug("<%s>: Cannot add attribute (%s) since tag's not open",
(tagStack.count() ? tagStack.last().toLatin1().constData() : "Root"),
attribute.toLatin1().constData());
return;
case Attribute:
break;
}
if (format == NewLine)
xmlFile << endl;
xmlFile << currentIndent << doConversion(attribute) << "=\"" << doConversion(value) << "\"";
}
void XmlOutput::addAttributeTag(const QString &attribute, const QString &value)
{
switch(currentState) {
case Bare:
case Tag:
//warn_msg(WarnLogic, "<%s>: Cannot add attribute since tags not open", tagStack.last().toLatin1().constData());
qDebug("<%s>: Cannot add attribute (%s) since tag's not open",
(tagStack.count() ? tagStack.last().toLatin1().constData() : "Root"),
attribute.toLatin1().constData());
return;
case Attribute:
break;
}
xmlFile << " " << doConversion(attribute) << "=\"" << doConversion(value) << "\"";
}
QT_END_NAMESPACE
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