зеркало из https://github.com/mozilla/gecko-dev.git
110 строки
2.9 KiB
C++
110 строки
2.9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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/*
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* jatom.h
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* John Sun
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* 2/27/98 4:35:03 PM
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*/
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#include "jdefines.h"
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#include <unistring.h>
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#ifndef __JATOM_H_
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#define __JATOM_H_
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#include "nscalutilexp.h"
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/**
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* An atom class for UnicodeStrings. Used to speed up
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* comparison of strings by calculating hashcode and comparing
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* that.
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*/
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class NS_CAL_UTIL JAtom
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{
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private:
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/* UnicodeString m_String; */
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/** strings' hashcode */
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t_int32 m_HashCode;
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public:
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/** default constructor */
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JAtom();
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/** sets the hashcode variable to string's hashcode value */
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JAtom(const UnicodeString & string);
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/**
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* sets the hashcode variable to string's hashcode value
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* @param string string to get hashcode from
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*/
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void setString(const UnicodeString & string);
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/* UnicodeString toString() const { return m_String; } */
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/**
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* Return the hashcode
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*
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* @return hashcode to return
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*/
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t_int32 hashCode() const { return m_HashCode; }
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/**
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* Equality comparison with t_int32.
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* @param aHashCode hashcode to compare with
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*
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* @return TRUE if equal, FALSE otherwise
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*/
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t_bool operator==(t_int32 aHashCode) const { return (m_HashCode == aHashCode); }
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/**
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* Equality comparison with atom.
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* @param anAtom atom to compare with
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*
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* @return TRUE if equal, FALSE otherwise
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*/
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t_bool operator==(JAtom & anAtom) const { return (m_HashCode == anAtom.m_HashCode); }
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/**
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* Inequality comparison with t_int32.
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* @param aHashCode hashcode to compare with
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*
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* @return TRUE if NOT equal, FALSE otherwise
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*/
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t_bool operator!=(t_int32 aHashCode) const { return (m_HashCode != aHashCode); }
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/**
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* Inequality comparison with atom.
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* @param anAtom atom to compare with
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*
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* @return TRUE if NOT equal, FALSE otherwise
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*/
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t_bool operator!=(JAtom & anAtom) const { return (m_HashCode != anAtom.m_HashCode); }
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};
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#endif /* __JATOM_H_ */
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