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author | Tobias Koenig <tokoe@kde.org> | 2009-05-16 10:19:10 (GMT) |
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committer | Tobias Koenig <tokoe@kde.org> | 2009-05-16 10:19:10 (GMT) |
commit | 135a028d9dc9a28a0a072665a7dc43b7e9e187be (patch) | |
tree | d259e1d265589d10a541899d4982ab4e656900eb /src/xmlpatterns/api/qpullbridge.cpp | |
parent | 210bd7b6033e41aad61fe131002dc5e496d7427a (diff) | |
download | Qt-135a028d9dc9a28a0a072665a7dc43b7e9e187be.zip Qt-135a028d9dc9a28a0a072665a7dc43b7e9e187be.tar.gz Qt-135a028d9dc9a28a0a072665a7dc43b7e9e187be.tar.bz2 |
Add W3C XML Schema validation support
This was done by Tobias Koenig, as part of an internship at Trolltech/Qt
Software, started at Wed Oct 1 18:32:43 2008 +0200, and the last commit being
part of this commit dating Tue Feb 24 11:03:36 2009 +0100. This is work
consisting of about 650 commits squashed into one, where the first commit was
61b280386c1905a15690fdd917dcbc8eb09b6283, in the repository before Qt's history
cut.
Diffstat (limited to 'src/xmlpatterns/api/qpullbridge.cpp')
-rw-r--r-- | src/xmlpatterns/api/qpullbridge.cpp | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/src/xmlpatterns/api/qpullbridge.cpp b/src/xmlpatterns/api/qpullbridge.cpp new file mode 100644 index 0000000..f347339 --- /dev/null +++ b/src/xmlpatterns/api/qpullbridge.cpp @@ -0,0 +1,202 @@ +/**************************************************************************** +** +** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the $MODULE$ of the Qt Toolkit. +** +** $TROLLTECH_DUAL_LICENSE$ +** +****************************************************************************/ + +#include <QVariant> + +#include "qabstractxmlnodemodel_p.h" +#include "qitemmappingiterator_p.h" +#include "qitem_p.h" +#include "qxmlname.h" +#include "qxmlquery_p.h" + +#include "qpullbridge_p.h" + +QT_BEGIN_NAMESPACE + +using namespace QPatternist; + +/*! + \brief Bridges a QPatternist::SequenceIterator to QAbstractXmlPullProvider. + \class QPatternist::PullBridge + \internal + \reentrant + \ingroup xml-tools + + The approach of this class is rather straight forward since QPatternist::SequenceIterator + and QAbstractXmlPullProvider are conceptually similar. While QPatternist::SequenceIterator only + delivers top level items(since it's not an event stream, it's a list of items), PullBridge + needs to recursively iterate the children of nodes too, which is achieved through the + stack m_iterators. + */ + +AbstractXmlPullProvider::Event PullBridge::next() +{ + m_index = m_iterators.top().second->next(); + + if(!m_index.isNull()) + { + Item item(m_index); + + if(item && item.isAtomicValue()) + m_current = AtomicValue; + else + { + Q_ASSERT(item.isNode()); + + switch(m_index.kind()) + { + case QXmlNodeModelIndex::Attribute: + { + m_current = Attribute; + break; + } + case QXmlNodeModelIndex::Comment: + { + m_current = Comment; + break; + } + case QXmlNodeModelIndex::Element: + { + m_iterators.push(qMakePair(StartElement, m_index.iterate(QXmlNodeModelIndex::AxisChild))); + m_current = StartElement; + break; + } + case QXmlNodeModelIndex::Document: + { + m_iterators.push(qMakePair(StartDocument, m_index.iterate(QXmlNodeModelIndex::AxisChild))); + m_current = StartDocument; + break; + } + case QXmlNodeModelIndex::Namespace: + { + m_current = Namespace; + break; + } + case QXmlNodeModelIndex::ProcessingInstruction: + { + m_current = ProcessingInstruction; + break; + } + case QXmlNodeModelIndex::Text: + { + m_current = Text; + break; + } + } + } + } + else + { + if(m_iterators.isEmpty()) + m_current = EndOfInput; + else + { + switch(m_iterators.top().first) + { + case StartOfInput: + { + m_current = EndOfInput; + break; + } + case StartElement: + { + m_current = EndElement; + m_iterators.pop(); + break; + } + case StartDocument: + { + m_current = EndDocument; + m_iterators.pop(); + break; + } + default: + { + Q_ASSERT_X(false, Q_FUNC_INFO, + "Invalid value."); + m_current = EndOfInput; + } + } + } + + } + + return m_current; +} + +AbstractXmlPullProvider::Event PullBridge::current() const +{ + return m_current; +} + +QXmlNodeModelIndex PullBridge::index() const +{ + return m_index; +} + +QSourceLocation PullBridge::sourceLocation() const +{ + return m_index.model()->sourceLocation(m_index); +} + +QXmlName PullBridge::name() const +{ + return m_index.name(); +} + +QVariant PullBridge::atomicValue() const +{ + return QVariant(); +} + +QString PullBridge::stringValue() const +{ + return QString(); +} + +QHash<QXmlName, QString> PullBridge::attributes() +{ + Q_ASSERT(m_current == StartElement); + + QHash<QXmlName, QString> attributes; + + QXmlNodeModelIndex::Iterator::Ptr it = m_index.iterate(QXmlNodeModelIndex::AxisAttribute); + QXmlNodeModelIndex index = it->next(); + while (!index.isNull()) { + const Item attribute(index); + attributes.insert(index.name(), index.stringValue()); + + index = it->next(); + } + + return attributes; +} + +QHash<QXmlName, QXmlItem> PullBridge::attributeItems() +{ + Q_ASSERT(m_current == StartElement); + + QHash<QXmlName, QXmlItem> attributes; + + QXmlNodeModelIndex::Iterator::Ptr it = m_index.iterate(QXmlNodeModelIndex::AxisAttribute); + QXmlNodeModelIndex index = it->next(); + while (!index.isNull()) { + const Item attribute(index); + attributes.insert(index.name(), QXmlItem(index)); + + index = it->next(); + } + + return attributes; +} + +QT_END_NAMESPACE + |