5635823e17
As in the past, to avoid rewriting various autotests that contain line-number information, an extra blank line has been inserted at the end of the license text to ensure that this commit does not change the total number of lines in the license header. Change-Id: I311e001373776812699d6efc045b5f742890c689 Reviewed-by: Rohan McGovern <rohan.mcgovern@nokia.com>
379 lines
11 KiB
C++
379 lines
11 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/
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**
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** This file is part of the qmake application of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this
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** file. Please review the following information to ensure the GNU Lesser
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** General Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License version 3.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of this
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** file. Please review the following information to ensure the GNU General
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** Public License version 3.0 requirements will be met:
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** Other Usage
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "xmloutput.h"
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QT_BEGIN_NAMESPACE
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XmlOutput::XmlOutput(QTextStream &file, ConverstionType type)
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: xmlFile(file), indent("\t"), currentLevel(0), currentState(Bare), format(NewLine),
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conversion(type)
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{
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tagStack.clear();
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}
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XmlOutput::~XmlOutput()
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{
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closeAll();
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}
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// Settings ------------------------------------------------------------------
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void XmlOutput::setIndentString(const QString &indentString)
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{
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indent = indentString;
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}
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QString XmlOutput::indentString()
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{
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return indent;
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}
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void XmlOutput::setIndentLevel(int level)
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{
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currentLevel = level;
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}
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int XmlOutput::indentLevel()
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{
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return currentLevel;
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}
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void XmlOutput::setState(XMLState state)
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{
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currentState = state;
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}
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void XmlOutput::setFormat(XMLFormat newFormat)
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{
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format = newFormat;
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}
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XmlOutput::XMLState XmlOutput::state()
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{
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return currentState;
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}
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void XmlOutput::updateIndent()
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{
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currentIndent.clear();
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for (int i = 0; i < currentLevel; ++i)
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currentIndent.append(indent);
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}
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void XmlOutput::increaseIndent()
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{
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++currentLevel;
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updateIndent();
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}
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void XmlOutput::decreaseIndent()
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{
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if (currentLevel)
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--currentLevel;
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updateIndent();
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if (!currentLevel)
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currentState = Bare;
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}
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QString XmlOutput::doConversion(const QString &text)
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{
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if (!text.count())
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return QString();
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else if (conversion == NoConversion)
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return text;
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QString output;
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if (conversion == XMLConversion) {
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// this is a way to escape characters that shouldn't be converted
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for (int i=0; i<text.count(); ++i) {
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if (text.at(i) == QLatin1Char('&')) {
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if ( (i + 7) < text.count() &&
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text.at(i + 1) == QLatin1Char('#') &&
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text.at(i + 2) == QLatin1Char('x') &&
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text.at(i + 7) == QLatin1Char(';') ) {
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output += text.at(i);
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} else {
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output += QLatin1String("&");
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}
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} else {
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QChar c = text.at(i);
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if (c.unicode() < 0x20) {
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output += QString("&#x%1;").arg(c.unicode(), 2, 16, QLatin1Char('0'));
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} else {
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output += text.at(i);
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}
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}
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}
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} else {
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output = text;
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}
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if (conversion == XMLConversion) {
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output.replace('\"', """);
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output.replace('\'', "'");
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} else if (conversion == EscapeConversion) {
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output.replace('\"', "\\\"");
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output.replace('\'', "\\\'");
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}
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return output;
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}
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// Stream functions ----------------------------------------------------------
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XmlOutput& XmlOutput::operator<<(const QString& o)
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{
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return operator<<(data(o));
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}
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XmlOutput& XmlOutput::operator<<(const xml_output& o)
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{
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switch(o.xo_type) {
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case tNothing:
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break;
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case tRaw:
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addRaw(o.xo_text);
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break;
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case tDeclaration:
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addDeclaration(o.xo_text, o.xo_value);
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break;
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case tTag:
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newTagOpen(o.xo_text);
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break;
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case tTagValue:
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addRaw(QString("\n%1<%2>").arg(currentIndent).arg(o.xo_text));
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addRaw(QString("%1").arg(o.xo_value));
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addRaw(QString("</%1>").arg(o.xo_text));
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break;
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case tValueTag:
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addRaw(QString("%1").arg(doConversion(o.xo_text)));
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setFormat(NoNewLine);
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closeTag();
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setFormat(NewLine);
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break;
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case tImport:
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addRaw(QString("\n%1<Import %2=\"%3\" />").arg(currentIndent).arg(o.xo_text).arg(o.xo_value));
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break;
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case tCloseTag:
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if (o.xo_value.count())
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closeAll();
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else if (o.xo_text.count())
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closeTo(o.xo_text);
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else
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closeTag();
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break;
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case tAttribute:
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addAttribute(o.xo_text, o.xo_value);
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break;
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case tAttributeTag:
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addAttributeTag(o.xo_text, o.xo_value);
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break;
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case tData:
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{
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// Special case to be able to close tag in normal
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// way ("</tag>", not "/>") without using addRaw()..
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if (!o.xo_text.count()) {
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closeOpen();
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break;
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}
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QString output = doConversion(o.xo_text);
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output.replace('\n', "\n" + currentIndent);
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addRaw(QString("\n%1%2").arg(currentIndent).arg(output));
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}
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break;
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case tComment:
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{
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QString output("<!--%1-->");
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addRaw(output.arg(o.xo_text));
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}
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break;
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case tCDATA:
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{
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QString output("<![CDATA[\n%1\n]]>");
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addRaw(output.arg(o.xo_text));
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}
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break;
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}
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return *this;
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}
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// Output functions ----------------------------------------------------------
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void XmlOutput::newTag(const QString &tag)
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{
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Q_ASSERT_X(tag.count(), "XmlOutput", "Cannot open an empty tag");
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newTagOpen(tag);
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closeOpen();
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}
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void XmlOutput::newTagOpen(const QString &tag)
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{
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Q_ASSERT_X(tag.count(), "XmlOutput", "Cannot open an empty tag");
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closeOpen();
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if (format == NewLine)
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xmlFile << endl << currentIndent;
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xmlFile << '<' << doConversion(tag);
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currentState = Attribute;
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tagStack.append(tag);
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increaseIndent(); // ---> indent
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}
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void XmlOutput::closeOpen()
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{
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switch(currentState) {
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case Bare:
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case Tag:
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return;
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case Attribute:
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break;
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}
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xmlFile << '>';
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currentState = Tag;
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}
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void XmlOutput::closeTag()
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{
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switch(currentState) {
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case Bare:
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if (tagStack.count())
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//warn_msg(WarnLogic, "<Root>: Cannot close tag in Bare state, %d tags on stack", tagStack.count());
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qDebug("<Root>: Cannot close tag in Bare state, %d tags on stack", tagStack.count());
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else
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//warn_msg(WarnLogic, "<Root>: Cannot close tag, no tags on stack");
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qDebug("<Root>: Cannot close tag, no tags on stack");
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return;
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case Tag:
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decreaseIndent(); // <--- Pre-decrease indent
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if (format == NewLine)
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xmlFile << endl << currentIndent;
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xmlFile << "</" << doConversion(tagStack.last()) << '>';
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tagStack.pop_back();
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break;
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case Attribute:
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xmlFile << " />";
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tagStack.pop_back();
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currentState = Tag;
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decreaseIndent(); // <--- Post-decrease indent
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break;
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}
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}
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void XmlOutput::closeTo(const QString &tag)
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{
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bool cont = true;
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if (!tagStack.contains(tag) && !tag.isNull()) {
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//warn_msg(WarnLogic, "<%s>: Cannot close to tag <%s>, not on stack", tagStack.last().latin1(), tag.latin1());
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qDebug("<%s>: Cannot close to tag <%s>, not on stack", tagStack.last().toLatin1().constData(), tag.toLatin1().constData());
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return;
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}
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int left = tagStack.count();
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while (left-- && cont) {
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cont = tagStack.last().compare(tag) != 0;
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closeTag();
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}
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}
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void XmlOutput::closeAll()
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{
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if (!tagStack.count())
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return;
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closeTo(QString());
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}
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void XmlOutput::addDeclaration(const QString &version, const QString &encoding)
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{
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switch(currentState) {
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case Bare:
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break;
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case Tag:
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case Attribute:
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//warn_msg(WarnLogic, "<%s>: Cannot add declaration when not in bare state", tagStack.last().toLatin1().constData());
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qDebug("<%s>: Cannot add declaration when not in bare state", tagStack.last().toLatin1().constData());
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return;
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}
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QString outData = QString("<?xml version=\"%1\" encoding=\"%2\"?>")
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.arg(doConversion(version))
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.arg(doConversion(encoding));
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addRaw(outData);
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}
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void XmlOutput::addRaw(const QString &rawText)
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{
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closeOpen();
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xmlFile << rawText;
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}
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void XmlOutput::addAttribute(const QString &attribute, const QString &value)
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{
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switch(currentState) {
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case Bare:
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case Tag:
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//warn_msg(WarnLogic, "<%s>: Cannot add attribute since tags not open", tagStack.last().toLatin1().constData());
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qDebug("<%s>: Cannot add attribute (%s) since tag's not open",
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(tagStack.count() ? tagStack.last().toLatin1().constData() : "Root"),
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attribute.toLatin1().constData());
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return;
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case Attribute:
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break;
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}
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if (format == NewLine)
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xmlFile << endl;
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xmlFile << currentIndent << doConversion(attribute) << "=\"" << doConversion(value) << "\"";
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}
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void XmlOutput::addAttributeTag(const QString &attribute, const QString &value)
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{
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switch(currentState) {
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case Bare:
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case Tag:
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//warn_msg(WarnLogic, "<%s>: Cannot add attribute since tags not open", tagStack.last().toLatin1().constData());
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qDebug("<%s>: Cannot add attribute (%s) since tag's not open",
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(tagStack.count() ? tagStack.last().toLatin1().constData() : "Root"),
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attribute.toLatin1().constData());
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return;
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case Attribute:
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break;
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}
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xmlFile << " " << doConversion(attribute) << "=\"" << doConversion(value) << "\"";
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}
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QT_END_NAMESPACE
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