| /**************************************************************************** |
| ** |
| ** Copyright (C) 2017 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the documentation of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:BSD$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
| ** Software or, alternatively, in accordance with the terms contained in |
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| ** and conditions see https://www.qt.io/terms-conditions. For further |
| ** information use the contact form at https://www.qt.io/contact-us. |
| ** |
| ** BSD License Usage |
| ** Alternatively, 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 |
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| ** * 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. |
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| ** 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 |
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| ** 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()) { |
| #ifdef qdoc |
| QXmlNodeModelIndex i = item.toNodeModelIndex(); |
| // process node |
| #endif // qdoc |
| } |
| 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>()) { |
| #ifdef qdoc |
| QXmlName n = qvariant_cast<QXmlName>(v); |
| // process QXmlName n... |
| #endif // qdoc |
| } |
| else { |
| // error |
| } |
| break; |
| } |
| } |
| else if (item.isNode()) { |
| #ifdef qdoc |
| QXmlNodeModelIndex i = item.toNodeModelIndex(); |
| // process node |
| #endif // qdoc |
| } |
| 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] |
| } |