69 lines
1.3 KiB
C++
69 lines
1.3 KiB
C++
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/*
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*******************************************************************************
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*
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* Copyright (C) 1999-2004, 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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* file name: unistr_props.cpp
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* encoding: US-ASCII
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* tab size: 8 (not used)
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* indentation:2
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*
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* created on: 2004aug25
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* created by: Markus W. Scherer
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*
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* Character property dependent functions moved here from unistr.cpp
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*/
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#include "unicode/utypes.h"
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#include "unicode/uchar.h"
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#include "unicode/unistr.h"
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UnicodeString&
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UnicodeString::trim()
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{
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if(isBogus()) {
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return *this;
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}
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UChar32 c;
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int32_t i = fLength, length;
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// first cut off trailing white space
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for(;;) {
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length = i;
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if(i <= 0) {
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break;
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}
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UTF_PREV_CHAR(fArray, 0, i, c);
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if(!(c == 0x20 || u_isWhitespace(c))) {
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break;
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}
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}
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if(length < fLength) {
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fLength = length;
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}
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// find leading white space
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int32_t start;
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i = 0;
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for(;;) {
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start = i;
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if(i >= length) {
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break;
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}
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UTF_NEXT_CHAR(fArray, i, length, c);
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if(!(c == 0x20 || u_isWhitespace(c))) {
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break;
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}
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}
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// move string forward over leading white space
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if(start > 0) {
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doReplace(0, start, 0, 0, 0);
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}
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return *this;
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}
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