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functions.h
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1/*
2 * functions.h - Copyright 2005 Frerich Raabe <raabe@kde.org>
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25#ifndef FUNCTIONS_H
26#define FUNCTIONS_H
27
28#include "expression.h"
29
30#include <QHash>
31#include <QList>
32
33#include "dom/dom_string.h"
34#include "xml/dom_stringimpl.h"
35
36namespace khtml {
37namespace XPath {
38
39class Function : public Expression
40{
41 public:
42 void setArguments( const QList<Expression *> &args );
43 void setName( const DOM::DOMString &name );
44
45 virtual QString dump() const;
46
47 protected:
48 Expression *arg( int pos );
49 const Expression *arg( int pos ) const;
50 unsigned int argCount() const;
51 DOM::DOMString name() const;
52
53 private:
54 DOM::DOMString m_name;
55};
56
57class FunctionLibrary
58{
59 friend struct FunctionMapping;
60 public:
61 static FunctionLibrary &self();
62
63 Function *getFunction( const DOM::DOMString& name,
64 const QList<Expression *> &args = QList<Expression *>() ) const;
65
66 private:
67 struct FunctionRec;
68
69 FunctionLibrary();
70 FunctionLibrary( const FunctionLibrary &rhs );
71 FunctionLibrary &operator=( const FunctionLibrary &rhs );
72
73 QHash<DOM::DOMString, FunctionRec> m_functionDict;
74};
75
76} // namespace XPath
77
78} // namespace khtml
79
80#endif // FUNCTIONS_H
81
DOM::DOMString
This class implements the basic string we use in the DOM.
Definition: dom_string.h:44
QHash
QList
khtml::XPath::Expression
Definition: expression.h:115
khtml::XPath::FunctionLibrary
Definition: functions.h:58
khtml::XPath::FunctionLibrary::getFunction
Function * getFunction(const DOM::DOMString &name, const QList< Expression * > &args=QList< Expression * >()) const
Definition: functions.cpp:876
khtml::XPath::FunctionLibrary::FunctionMapping
friend struct FunctionMapping
Definition: functions.h:59
khtml::XPath::FunctionLibrary::self
static FunctionLibrary & self()
Definition: functions.cpp:863
khtml::XPath::Function
Definition: functions.h:40
khtml::XPath::Function::name
DOM::DOMString name() const
Definition: functions.cpp:395
khtml::XPath::Function::dump
virtual QString dump() const
Definition: functions.cpp:365
khtml::XPath::Function::setArguments
void setArguments(const QList< Expression * > &args)
Definition: functions.cpp:353
khtml::XPath::Function::argCount
unsigned int argCount() const
Definition: functions.cpp:390
khtml::XPath::Function::setName
void setName(const DOM::DOMString &name)
Definition: functions.cpp:360
khtml::XPath::Function::arg
Expression * arg(int pos)
Definition: functions.cpp:380
dom_string.h
expression.h
khtml
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