4 files changed, 299 insertions, 0 deletions
diff --git a/doc/src/snippets/xml/simpleparse/handler.cpp b/doc/src/snippets/xml/simpleparse/handler.cpp
new file mode 100644
index 0000000..440f6be
--- /dev/null
+++ b/doc/src/snippets/xml/simpleparse/handler.cpp
@@ -0,0 +1,139 @@
+/****************************************************************************
+**
+** 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.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*
+handler.cpp
+
+Provides a handler for processing XML elements found by the reader.
+
+The handler stores the names of elements it finds and their indentation
+levels. The indentation level is initially set to zero.
+When a starting element is found, the indentation level is increased;
+when an ending element is found, the indentation level is decreased.
+*/
+
+#include <QDebug>
+#include "handler.h"
+
+/*!
+    Reset the state of the handler to ensure that new documents are
+    read correctly.
+
+    We return true to indicate that parsing should continue.
+*/
+
+bool Handler::startDocument()
+{
+    elementName.clear();
+    elementIndentation.clear();
+    indentationLevel = 0;
+
+    return true;
+}
+
+/*!
+    Process each starting element in the XML document.
+
+    Append the element name to the list of elements found; add its
+    corresponding indentation level to the list of indentation levels.
+
+    Increase the level of indentation by one column.
+
+    We return true to indicate that parsing should continue.
+*/
+
+bool Handler::startElement(const QString &, const QString &,
+    const QString & qName, const QXmlAttributes &)
+{
+    elementName.append(qName);
+    elementIndentation.append(indentationLevel);
+    indentationLevel += 1;
+
+    return true;
+}
+
+/*!
+    Process each ending element in the XML document.
+
+    Decrease the level of indentation by one column.
+
+    We return true to indicate that parsing should continue.
+*/
+
+bool Handler::endElement(const QString &, const QString &,
+    const QString &)
+{
+    indentationLevel -= 1;
+
+    return true;
+}
+
+/*!
+    Report a fatal parsing error, and return false to indicate to the reader
+    that parsing should stop.
+*/
+
+bool Handler::fatalError (const QXmlParseException & exception)
+{
+    qWarning() << QString("Fatal error on line %1, column %2: %3").arg(
+        exception.lineNumber()).arg(exception.columnNumber()).arg(
+        exception.message());
+
+    return false;
+}
+
+/*!
+    Return the list of element names found.
+*/
+
+QStringList& Handler::names ()
+{
+    return elementName;
+}
+
+/*!
+    Return the list of indentations used for each element found.
+*/
+
+QList<int>& Handler::indentations ()
+{
+    return elementIndentation;
+}
diff --git a/doc/src/snippets/xml/simpleparse/handler.h b/doc/src/snippets/xml/simpleparse/handler.h
new file mode 100644
index 0000000..c69c919
--- /dev/null
+++ b/doc/src/snippets/xml/simpleparse/handler.h
@@ -0,0 +1,68 @@
+/****************************************************************************
+**
+** 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.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef HANDLER_H
+#define HANDLER_H
+
+#include <qstring.h>
+#include <qxml.h>
+
+class Handler : public QXmlDefaultHandler
+{
+public:
+    bool startDocument();
+    bool startElement(const QString &, const QString &, const QString &qName,
+                       const QXmlAttributes &);
+    bool endElement(const QString &, const QString &, const QString &);
+
+    bool fatalError(const QXmlParseException &exception);
+
+    QStringList& names();
+    QList<int>& indentations();
+
+private:
+    int indentationLevel;
+    QStringList elementName;
+    QList<int> elementIndentation;
+};
+
+#endif
+
diff --git a/doc/src/snippets/xml/simpleparse/main.cpp b/doc/src/snippets/xml/simpleparse/main.cpp
new file mode 100644
index 0000000..e3a7b32
--- /dev/null
+++ b/doc/src/snippets/xml/simpleparse/main.cpp
@@ -0,0 +1,88 @@
+/****************************************************************************
+**
+** 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 <qfile.h>
+#include <qxml.h>
+#include "handler.h"
+
+#include <iostream>
+
+int main(int argc, char **argv)
+{
+    if (argc != 2) {
+        std::cout << "Usage: " << argv[0] << " <filename>" << std::endl;
+        return 1;
+    }
+
+    QFile *file = new QFile(argv[1]);
+
+//! [0]
+    QXmlSimpleReader xmlReader;
+    QXmlInputSource *source = new QXmlInputSource(file);
+//! [0]
+
+//! [1]
+    Handler *handler = new Handler;
+    xmlReader.setContentHandler(handler);
+    xmlReader.setErrorHandler(handler);
+//! [1]
+
+//! [2]
+    bool ok = xmlReader.parse(source);
+
+    if (!ok)
+        std::cout << "Parsing failed." << std::endl;
+//! [2]
+    else {
+        QStringList names = handler->names();
+        QList<int> indentations = handler->indentations();
+
+        int items = names.count();
+
+        for (int i = 0; i < items; ++i) {
+            for (int j = 0; j < indentations[i]; ++j)
+                std::cout << " ";
+            std::cout << names[i].toLocal8Bit().constData() << std::endl;
+        }
+    }
+
+    return 0;
+}
diff --git a/doc/src/snippets/xml/simpleparse/simpleparse.pro b/doc/src/snippets/xml/simpleparse/simpleparse.pro
new file mode 100644
index 0000000..fbea770
--- /dev/null
+++ b/doc/src/snippets/xml/simpleparse/simpleparse.pro
@@ -0,0 +1,4 @@
+HEADERS     = handler.h
+SOURCES     = handler.cpp \
+              main.cpp
+QT         += xml