tools/porting/src/qtsimplexml.cpp
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/porting/src/qtsimplexml.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,278 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the qt3to4 porting 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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qtsimplexml.h"
+#include <QDomDocument>
+
+QT_BEGIN_NAMESPACE
+
+QtSimpleXml::QtSimpleXml(const QString &name)
+{
+    valid = false;
+    n = name;
+    parent = 0;
+}
+
+QtSimpleXml &QtSimpleXml::operator [](int index)
+{
+    if (index < 0)
+	return *this;
+
+    if (index > children.size()) {
+        static QtSimpleXml NIL;
+        qWarning("QtSimpleXml::operator[], Out of range access: size is %i, index is %i",
+                 children.size(), index);
+        return NIL;
+    }
+
+    if (index == children.size()) {
+        QtSimpleXml *item = new QtSimpleXml(QLatin1String("item"));
+        item->parent = this;
+        children.insert(item->name(), item);
+        return *item;
+    }
+
+    QMultiMap<QString, QtSimpleXml *>::Iterator it = children.begin();
+    while (index--) ++it;
+    return *it.value();
+}
+
+QtSimpleXml &QtSimpleXml::operator [](const QString &key)
+{
+    if (!children.contains(key)) {
+	QtSimpleXml *item = new QtSimpleXml(key);
+	item->parent = this;
+	children.insert(item->name(), item);
+        return *item;
+    }
+
+    return *children.find(key).value();
+}
+
+QtSimpleXml &QtSimpleXml::operator =(const QString &text)
+{
+    valid = true;
+    QtSimpleXml *p = parent;
+    while (p && !p->valid) {
+	p->valid = true;
+	p = p->parent;
+    }
+
+    s = text;
+    return *this;
+}
+
+QDomDocument QtSimpleXml::toDomDocument() const
+{
+    QDomDocument doc;
+    QString data = QLatin1String("version=\"1.0\" encoding=\"UTF-8\"");
+    doc.appendChild(doc.createProcessingInstruction(QLatin1String("xml"), data));
+
+    if (!valid)
+	return doc;
+
+    if(!s.isEmpty())
+        doc.appendChild(doc.createTextNode(s));
+
+    {
+        QMultiMap<QString, QtSimpleXml *>::ConstIterator it = children.constBegin();
+        for (; it != children.end(); ++it) {
+            QtSimpleXml *item = it.value();
+            if (item->valid) {
+                QDomNode node = item->toDomElement(&doc);
+                doc.appendChild(node);
+            }
+        }
+    }
+
+    return doc;
+}
+
+QDomElement QtSimpleXml::toDomElement(QDomDocument *doc) const
+{
+    QDomElement elem = doc->createElement(n);
+    QMap<QString, QString>::ConstIterator ita = attr.constBegin();
+    for (; ita != attr.constEnd(); ++ita)
+	elem.setAttribute(ita.key(), ita.value());
+
+    if(!s.isEmpty())
+        elem.appendChild(doc->createTextNode(s));
+
+    {
+        QMultiMap<QString, QtSimpleXml *>::ConstIterator it = children.constBegin();
+        for (; it != children.constEnd(); ++it) {
+            QtSimpleXml *item = it.value();
+            if (item->valid) {
+                QDomNode node = item->toDomElement(doc);
+                elem.appendChild(node);
+            }
+        }
+    }
+
+    return elem;
+}
+
+QString QtSimpleXml::name() const
+{
+    return n;
+}
+
+QString QtSimpleXml::text() const
+{
+    return s;
+}
+
+int QtSimpleXml::numChildren() const
+{
+    return children.count();
+}
+
+bool QtSimpleXml::isValid() const
+{
+    return valid;
+}
+
+void QtSimpleXml::setAttribute(const QString &key, const QString &value)
+{
+    attr.insert(key, QString(value));
+}
+
+QString QtSimpleXml::attribute(const QString &key)
+{
+    return attr[key];
+}
+
+bool QtSimpleXml::setContent(const QString &content)
+{
+    QDomDocument doc;
+    QString errorMsg;
+    int errorLine;
+    int errorColumn;
+
+    if (!doc.setContent(content, false, &errorMsg, &errorLine, &errorColumn)) {
+        errorStr = errorMsg;
+        errorStr += QLatin1String(" at ") + QString::number(errorLine) + QLatin1String(":") + QString::number(errorColumn);
+        return false;
+    }
+
+    parse(doc);
+    return true;
+}
+
+bool QtSimpleXml::setContent(QIODevice *device)
+{
+    QDomDocument doc;
+    QString errorMsg;
+    int errorLine;
+    int errorColumn;
+    if (!doc.setContent(device, false, &errorMsg, &errorLine, &errorColumn)) {
+        errorStr = errorMsg;
+        errorStr += QLatin1String(" at ") + QString::number(errorLine) + QLatin1String(":") + QString::number(errorColumn);
+        return false;
+    }
+
+    QDomNode child = doc.firstChild();
+    while (!child.isNull() && !child.isElement())
+        child = child.nextSibling();
+
+    while (!child.isNull()) {
+        QtSimpleXml *xmlNode = new QtSimpleXml;
+        xmlNode->parse(child);
+        xmlNode->parent=this;
+        children.insert(xmlNode->name(), xmlNode);
+        do {
+            child = child.nextSibling();
+        } while (!child.isNull() && !child.isElement());
+    }
+
+    return true;
+}
+
+
+void QtSimpleXml::parse(QDomNode node)
+{
+ //   puts("parse");
+    if (node.isNull())
+        return;
+
+    valid = true;
+    n = node.nodeName();
+    QDomElement element = node.toElement();
+
+    QDomNamedNodeMap attrs = element.attributes();
+    for (int i = 0; i < (int) attrs.count(); ++i) {
+        QDomAttr attribute = attrs.item(i).toAttr();
+        attr.insert(attribute.name(), attribute.value());
+    }
+
+    if (element.firstChild().isText()) {
+  //      printf("Got text %s\n", element.text().stripWhiteSpace().latin1());
+        s = element.text().trimmed();
+        return;
+    }
+
+    if (node.hasChildNodes()) {
+
+        // Skip to first element child
+        QDomNode child = node.firstChild();
+        while (!child.isNull() && !child.isElement())
+            child = child.nextSibling();
+
+        while (!child.isNull()) {
+            QtSimpleXml *xmlNode = new QtSimpleXml;
+            xmlNode->parse(child);
+            children.insert(xmlNode->name(), xmlNode);
+
+            node = node.nextSibling();
+
+            do {
+                child = child.nextSibling();
+            } while (!child.isNull() && !child.isElement());
+        }
+    }
+}
+
+QString QtSimpleXml::errorString() const
+{
+    return errorStr;
+}
+
+QT_END_NAMESPACE