Long live Qt 4.5!

1 files changed, 340 insertions, 0 deletions

diff --git a/qmake/generators/xmloutput.cpp b/qmake/generators/xmloutput.cpp
new file mode 100644
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+++ b/qmake/generators/xmloutput.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the qmake application of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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;
+}
+
+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 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 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 != QString()) {
+        //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) << "\"";
+}
+
+QT_END_NAMESPACE