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/****************************************************************************
**
** Copyright (C) 2011 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.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
** the names of its contributors may be used to endorse or promote
** products derived from this software without specific prior written
** permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
** $QT_END_LICENSE$
**
****************************************************************************/
//! [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]
}
|