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Viewing changes to source/common/chariter.cpp

  • Committer: Package Import Robot
  • Author(s): Yves Arrouye
  • Date: 2002-03-03 15:31:13 UTC
  • Revision ID: package-import@ubuntu.com-20020303153113-3ssceqlq45xbmbnc
Tags: upstream-2.0-2.1pre20020303
Import upstream version 2.0-2.1pre20020303

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source/common/chariter.cpp
 
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/*
 
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**********************************************************************
 
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*   Copyright (C) 1999-2001, International Business Machines
 
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*   Corporation and others.  All Rights Reserved.
 
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**********************************************************************
 
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*/
 
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#include "unicode/chariter.h"
 
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U_NAMESPACE_BEGIN
 
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CharacterIterator::CharacterIterator(int32_t length)
 
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: textLength(length), pos(0), begin(0), end(length) {
 
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    if(textLength < 0) {
 
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        textLength = end = 0;
 
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    }
 
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}
 
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CharacterIterator::CharacterIterator(int32_t length, UTextOffset position)
 
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: textLength(length), pos(position), begin(0), end(length) {
 
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    if(textLength < 0) {
 
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        textLength = end = 0;
 
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    }
 
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    if(pos < 0) {
 
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        pos = 0;
 
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    } else if(pos > end) {
 
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        pos = end;
 
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    }
 
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}
 
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CharacterIterator::CharacterIterator(int32_t length, UTextOffset textBegin, UTextOffset textEnd, UTextOffset position)
 
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: textLength(length), pos(position), begin(textBegin), end(textEnd) {
 
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    if(textLength < 0) {
 
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        textLength = 0;
 
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    }
 
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    if(begin < 0) {
 
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        begin = 0;
 
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    } else if(begin > textLength) {
 
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        begin = textLength;
 
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    }
 
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    if(end < begin) {
 
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        end = begin;
 
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    } else if(end > textLength) {
 
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        end = textLength;
 
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    }
 
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    if(pos < begin) {
 
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        pos = begin;
 
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    } else if(pos > end) {
 
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        pos = end;
 
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    }
 
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}
 
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CharacterIterator::CharacterIterator(const CharacterIterator &that) :
 
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ForwardCharacterIterator(that),
 
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textLength(that.textLength), pos(that.pos), begin(that.begin), end(that.end)
 
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{
 
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}
 
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CharacterIterator &
 
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CharacterIterator::operator=(const CharacterIterator &that) {
 
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    ForwardCharacterIterator::operator=(that);
 
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    textLength = that.textLength;
 
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    pos = that.pos;
 
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    begin = that.begin;
 
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    end = that.end;
 
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    return *this;
 
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}
 
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// implementing first[32]PostInc() directly in a subclass should be faster
 
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// but these implementations make subclassing a little easier
 
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UChar
 
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CharacterIterator::firstPostInc(void) {
 
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    setToStart();
 
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    return nextPostInc();
 
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}
 
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UChar32
 
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CharacterIterator::first32PostInc(void) {
 
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    setToStart();
 
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    return next32PostInc();
 
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}
 
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U_NAMESPACE_END