Long live Qt 4.5!

1 files changed, 119 insertions, 0 deletions

diff --git a/doc/src/snippets/textblock-fragments/xmlwriter.cpp b/doc/src/snippets/textblock-fragments/xmlwriter.cpp
new file mode 100644
index 0000000..c96a36b
--- /dev/null
+++ b/doc/src/snippets/textblock-fragments/xmlwriter.cpp
@@ -0,0 +1,119 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the documentation 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 <QtGui>
+
+#include "xmlwriter.h"
+
+QDomDocument *XmlWriter::toXml()
+{
+    QDomImplementation implementation;
+    QDomDocumentType docType = implementation.createDocumentType(
+        "scribe-document", "scribe", "qtsoftware.com/scribe");
+
+    document = new QDomDocument(docType);
+
+    // ### This processing instruction is required to ensure that any kind
+    // of encoding is given when the document is written.
+    QDomProcessingInstruction process = document->createProcessingInstruction(
+        "xml", "version=\"1.0\" encoding=\"utf-8\"");
+    document->appendChild(process);
+
+    QDomElement documentElement = document->createElement("document");
+    document->appendChild(documentElement);
+
+//! [0]
+    QTextBlock currentBlock = textDocument->begin();
+
+    while (currentBlock.isValid()) {
+//! [0]
+        QDomElement blockElement = document->createElement("block");
+        document->appendChild(blockElement);
+
+        readFragment(currentBlock, blockElement, document);
+
+//! [1]
+        processBlock(currentBlock);
+//! [1]
+
+//! [2]
+        currentBlock = currentBlock.next();
+    }
+//! [2]
+
+    return document;
+}
+
+void XmlWriter::readFragment(const QTextBlock &currentBlock,
+                             QDomElement blockElement,
+                             QDomDocument *document)
+{
+//! [3] //! [4]
+    QTextBlock::iterator it;
+    for (it = currentBlock.begin(); !(it.atEnd()); ++it) {
+        QTextFragment currentFragment = it.fragment();
+        if (currentFragment.isValid())
+//! [3] //! [5]
+            processFragment(currentFragment);
+//! [4] //! [5]
+
+        if (currentFragment.isValid()) {
+            QDomElement fragmentElement = document->createElement("fragment");
+            blockElement.appendChild(fragmentElement);
+
+            fragmentElement.setAttribute("length", currentFragment.length());
+            QDomText fragmentText = document->createTextNode(currentFragment.text());
+
+            fragmentElement.appendChild(fragmentText);
+//! [6]
+        }
+//! [7]
+    }
+//! [6] //! [7]
+}
+
+void XmlWriter::processBlock(const QTextBlock &currentBlock)
+{
+}
+
+void XmlWriter::processFragment(const QTextFragment &currentFragment)
+{
+}