/**************************************************************************** ** ** 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 n = qVariantValue(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] }