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Diffstat (limited to 'src/xmlpatterns/expr/qtemplateinvoker.cpp')
-rw-r--r-- | src/xmlpatterns/expr/qtemplateinvoker.cpp | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/src/xmlpatterns/expr/qtemplateinvoker.cpp b/src/xmlpatterns/expr/qtemplateinvoker.cpp new file mode 100644 index 0000000..227feba --- /dev/null +++ b/src/xmlpatterns/expr/qtemplateinvoker.cpp @@ -0,0 +1,106 @@ +/**************************************************************************** +** +** 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 "qtemplateinvoker_p.h" + +QT_BEGIN_NAMESPACE + +using namespace QPatternist; + +TemplateInvoker::TemplateInvoker(const WithParam::Hash &withParams, + const QXmlName &name) : CallSite(name) + , m_withParams(withParams) +{ + const WithParam::Hash::const_iterator end(m_withParams.constEnd()); + + for(WithParam::Hash::const_iterator it(m_withParams.constBegin()); it != end; ++it) + { + /* In the case of for instance: + * <xsl:with-param name="empty_seq" as="item()"/> + * + * we have no default expression. */ + Q_ASSERT(it.value()->sourceExpression()); + m_operands.append(it.value()->sourceExpression()); + } +} + +Expression::Ptr TemplateInvoker::compress(const StaticContext::Ptr &context) +{ + /* CallSite::compress() may have changed our children, so update + * our m_withParams. */ + const Expression::Ptr me(CallSite::compress(context)); + const WithParam::Hash::const_iterator end(m_withParams.constEnd()); + int exprIndex = -1; + + for(WithParam::Hash::const_iterator it(m_withParams.constBegin()); it != end; ++it) + { + if(it.value()->sourceExpression()) + { + ++exprIndex; + it.value()->setSourceExpression(m_operands.at(exprIndex)); + } + } + + return me; +} + +SequenceType::List TemplateInvoker::expectedOperandTypes() const +{ + SequenceType::List result; + + /* We don't return the type of the m_template->templateParameters(), we + * return the type of the @c xsl:with-param first. @em After that, we + * manually apply the parameter types in typeCheck(). */ + const WithParam::Hash::const_iterator end(m_withParams.constEnd()); + + for(WithParam::Hash::const_iterator it(m_withParams.constBegin()); it != end; ++it) + { + /* We're not guaranteed to have a with-param, we may be using the + * default value of the xsl:param. Tunnel parameters may also play + * in. */ + result.append(it.value()->type()); + } + + return result; +} + +QT_END_NAMESPACE + |