summaryrefslogtreecommitdiffstats
path: root/src/xmlpatterns/expr/qoptimizerblocks.cpp
diff options
context:
space:
mode:
authorLars Knoll <lars.knoll@nokia.com>2009-03-23 09:18:55 (GMT)
committerSimon Hausmann <simon.hausmann@nokia.com>2009-03-23 09:18:55 (GMT)
commite5fcad302d86d316390c6b0f62759a067313e8a9 (patch)
treec2afbf6f1066b6ce261f14341cf6d310e5595bc1 /src/xmlpatterns/expr/qoptimizerblocks.cpp
downloadQt-e5fcad302d86d316390c6b0f62759a067313e8a9.zip
Qt-e5fcad302d86d316390c6b0f62759a067313e8a9.tar.gz
Qt-e5fcad302d86d316390c6b0f62759a067313e8a9.tar.bz2
Long live Qt 4.5!
Diffstat (limited to 'src/xmlpatterns/expr/qoptimizerblocks.cpp')
-rw-r--r--src/xmlpatterns/expr/qoptimizerblocks.cpp179
1 files changed, 179 insertions, 0 deletions
diff --git a/src/xmlpatterns/expr/qoptimizerblocks.cpp b/src/xmlpatterns/expr/qoptimizerblocks.cpp
new file mode 100644
index 0000000..e0d0ff6
--- /dev/null
+++ b/src/xmlpatterns/expr/qoptimizerblocks.cpp
@@ -0,0 +1,179 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtXmlPatterns module 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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qcommonnamespaces_p.h"
+
+#include "qcommonsequencetypes_p.h"
+#include "qfunctionfactory_p.h"
+#include "qgeneralcomparison_p.h"
+#include "qliteral_p.h"
+#include "qschemanumeric_p.h"
+#include "qvaluecomparison_p.h"
+
+#include "qoptimizerblocks_p.h"
+
+QT_BEGIN_NAMESPACE
+
+using namespace QPatternist;
+
+ByIDIdentifier::ByIDIdentifier(const Expression::ID id) : m_id(id)
+{
+}
+
+bool ByIDIdentifier::matches(const Expression::Ptr &expr) const
+{
+ return expr->is(m_id);
+}
+
+ComparisonIdentifier::ComparisonIdentifier(const QVector<Expression::ID> hosts,
+ const AtomicComparator::Operator op) : m_hosts(hosts),
+ m_op(op)
+{
+}
+
+bool ComparisonIdentifier::matches(const Expression::Ptr &e) const
+{
+ const Expression::ID eID = e->id();
+
+ if(eID == Expression::IDGeneralComparison)
+ {
+ if(m_hosts.contains(Expression::IDGeneralComparison))
+ return e->as<GeneralComparison>()->operatorID() == m_op;
+ else
+ return false;
+ }
+ else if(eID == Expression::IDValueComparison)
+ {
+ if(m_hosts.contains(Expression::IDValueComparison))
+ return e->as<ValueComparison>()->operatorID() == m_op;
+ else
+ return false;
+ }
+ else
+ return false;
+}
+
+BySequenceTypeIdentifier::BySequenceTypeIdentifier(const SequenceType::Ptr &seqType) : m_seqType(seqType)
+{
+ Q_ASSERT(seqType);
+}
+
+bool BySequenceTypeIdentifier::matches(const Expression::Ptr &expr) const
+{
+ const SequenceType::Ptr t(expr->staticType());
+
+ return m_seqType->itemType()->xdtTypeMatches(t->itemType())
+ &&
+ m_seqType->cardinality().isMatch(t->cardinality());
+}
+
+IntegerIdentifier::IntegerIdentifier(const xsInteger num) : m_num(num)
+{
+}
+
+bool IntegerIdentifier::matches(const Expression::Ptr &expr) const
+{
+ return expr->is(Expression::IDIntegerValue) &&
+ expr->as<Literal>()->item().as<Numeric>()->toInteger() == m_num;
+}
+
+BooleanIdentifier::BooleanIdentifier(const bool value) : m_value(value)
+{
+}
+
+bool BooleanIdentifier::matches(const Expression::Ptr &expr) const
+{
+ return expr->is(Expression::IDBooleanValue) &&
+ expr->evaluateEBV(DynamicContext::Ptr()) == m_value;
+}
+
+ByIDCreator::ByIDCreator(const Expression::ID id) : m_id(id)
+{
+ Q_ASSERT(id != Expression::IDIgnorableExpression);
+}
+
+Expression::Ptr ByIDCreator::create(const Expression::List &operands,
+ const StaticContext::Ptr &context,
+ const SourceLocationReflection *const r) const
+{
+ return create(m_id, operands, context, r);
+}
+
+Expression::Ptr ByIDCreator::create(const Expression::ID id,
+ const Expression::List &operands,
+ const StaticContext::Ptr &context,
+ const SourceLocationReflection *const r)
+{
+ Q_ASSERT(context);
+
+ QXmlName::LocalNameCode fnName;
+
+ switch(id)
+ {
+ case Expression::IDExistsFN:
+ {
+ fnName = StandardLocalNames::exists;
+ break;
+ }
+ case Expression::IDEmptyFN:
+ {
+ fnName = StandardLocalNames::empty;
+ break;
+ }
+ default:
+ {
+ Q_ASSERT_X(false, Q_FUNC_INFO,
+ "Cannot create an expression of requested type; m_id is wrong.");
+ return Expression::Ptr();
+ }
+ }
+
+ /* The reason we don't simply do 'new ExistsFN()' ourselves, is that all FunctionCall
+ * instances needs their FunctionSignature in order to function, and the FunctionFactories
+ * sets that. */
+ const QXmlName qName(StandardNamespaces::fn, fnName);
+
+ const Expression::Ptr result(context->functionSignatures()->createFunctionCall(qName, operands, context, r));
+ context->wrapExpressionWith(r, result);
+ return result;
+}
+
+QT_END_NAMESPACE