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/****************************************************************************
**
** 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 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 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.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
//! [0]
QXmlNamePool namePool(query.namePool());
query.bindVariable(QXmlName(namePool, localName), value);
//! [0]
{
//! [1]
QByteArray myDocument;
QBuffer buffer(&myDocument); // This is a QIODevice.
buffer.open(QIODevice::ReadOnly);
QXmlQuery query;
query.bindVariable("myDocument", &buffer);
query.setQuery("doc($myDocument)");
//! [1]
}
{
QIODevice *device = 0;
//! [2]
QXmlNamePool namePool(query.namePool());
query.bindVariable(QXmlName(namePool, localName), device);
//! [2]
}
{
QIODevice *myOutputDevice = 0;
//! [3]
QFile xq("myquery.xq");
QXmlQuery query;
query.setQuery(&xq, QUrl::fromLocalFile(xq.fileName()));
QXmlSerializer serializer(query, myOutputDevice);
query.evaluateTo(&serializer);
//! [3]
}
{
QIODevice *myOutputDevice = 0;
//! [4]
QFile xq("myquery.xq");
QString fileName("the filename");
QString publisherName("the publisher");
qlonglong year = 1234;
QXmlQuery query;
query.bindVariable("file", QVariant(fileName));
query.bindVariable("publisher", QVariant(publisherName));
query.bindVariable("year", QVariant(year));
query.setQuery(&xq, QUrl::fromLocalFile(xq.fileName()));
QXmlSerializer serializer(query, myOutputDevice);
query.evaluateTo(&serializer);
//! [4]
}
{
//! [5]
QFile xq("myquery.xq");
QString fileName("the filename");
QString publisherName("the publisher");
qlonglong year = 1234;
QXmlQuery query;
query.bindVariable("file", QVariant(fileName));
query.bindVariable("publisher", QVariant(publisherName));
query.bindVariable("year", QVariant(year));
query.setQuery(&xq, QUrl::fromLocalFile(xq.fileName()));
QXmlResultItems result;
query.evaluateTo(&result);
QXmlItem item(result.next());
while (!item.isNull()) {
if (item.isAtomicValue()) {
QVariant v = item.toAtomicValue();
switch (v.type()) {
case QVariant::LongLong:
// xs:integer
break;
case QVariant::String:
// xs:string
break;
default:
// error
break;
}
}
else if (item.isNode()) {
QXmlNodeModelIndex i = item.toNodeModelIndex();
// process node
}
item = result.next();
}
//! [5]
}
{
//! [6]
QFile xq("myquery.xq");
QXmlQuery query;
query.setQuery(&xq, QUrl::fromLocalFile(xq.fileName()));
QXmlResultItems result;
query.evaluateTo(&result);
QXmlItem item(result.next());
while (!item.isNull()) {
if (item.isAtomicValue()) {
QVariant v = item.toAtomicValue();
switch (v.type()) {
case QVariant::LongLong:
// xs:integer
break;
case QVariant::String:
// xs:string
break;
default:
if (v.userType() == qMetaTypeId<QXmlName>()) {
QXmlName n = qVariantValue<QXmlName>(v);
// process QXmlName n...
}
else {
// error
}
break;
}
}
else if (item.isNode()) {
QXmlNodeModelIndex i = item.toNodeModelIndex();
// process node
}
item = result.next();
}
//! [6]
}
{
QIODevice *out = 0;
//! [7]
QXmlQuery query(QXmlQuery::XSLT20);
query.setFocus(QUrl("myInput.xml"));
query.setQuery(QUrl("myStylesheet.xsl"));
query.evaluateTo(out);
//! [7]
}
|
