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81 lines
2.4 KiB
C++
81 lines
2.4 KiB
C++
/*
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* functions.h - Copyright 2005 Frerich Raabe <raabe@kde.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef FUNCTIONS_H
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#define FUNCTIONS_H
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#include "expression.h"
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#include <QHash>
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#include <QList>
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#include "dom/dom_string.h"
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#include "xml/dom_stringimpl.h"
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namespace khtml {
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namespace XPath {
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class Function : public Expression
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{
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public:
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void setArguments( const QList<Expression *> &args );
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void setName( const DOM::DOMString &name );
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virtual QString dump() const;
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protected:
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Expression *arg( int pos );
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const Expression *arg( int pos ) const;
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unsigned int argCount() const;
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DOM::DOMString name() const;
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private:
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DOM::DOMString m_name;
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};
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class FunctionLibrary
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{
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friend struct FunctionMapping;
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public:
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static FunctionLibrary &self();
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Function *getFunction( const DOM::DOMString& name,
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const QList<Expression *> &args = QList<Expression *>() ) const;
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private:
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struct FunctionRec;
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FunctionLibrary();
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FunctionLibrary( const FunctionLibrary &rhs );
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FunctionLibrary &operator=( const FunctionLibrary &rhs );
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QHash<DOM::DOMString, FunctionRec> m_functionDict;
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};
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} // namespace XPath
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} // namespace khtml
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#endif // FUNCTIONS_H
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