1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/intl/icu/source/common/unistr_props.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,75 @@
1.4 +/*
1.5 +*******************************************************************************
1.6 +*
1.7 +* Copyright (C) 1999-2011, International Business Machines
1.8 +* Corporation and others. All Rights Reserved.
1.9 +*
1.10 +*******************************************************************************
1.11 +* file name: unistr_props.cpp
1.12 +* encoding: US-ASCII
1.13 +* tab size: 8 (not used)
1.14 +* indentation:2
1.15 +*
1.16 +* created on: 2004aug25
1.17 +* created by: Markus W. Scherer
1.18 +*
1.19 +* Character property dependent functions moved here from unistr.cpp
1.20 +*/
1.21 +
1.22 +#include "unicode/utypes.h"
1.23 +#include "unicode/uchar.h"
1.24 +#include "unicode/unistr.h"
1.25 +#include "unicode/utf16.h"
1.26 +
1.27 +U_NAMESPACE_BEGIN
1.28 +
1.29 +UnicodeString&
1.30 +UnicodeString::trim()
1.31 +{
1.32 + if(isBogus()) {
1.33 + return *this;
1.34 + }
1.35 +
1.36 + UChar *array = getArrayStart();
1.37 + UChar32 c;
1.38 + int32_t oldLength = this->length();
1.39 + int32_t i = oldLength, length;
1.40 +
1.41 + // first cut off trailing white space
1.42 + for(;;) {
1.43 + length = i;
1.44 + if(i <= 0) {
1.45 + break;
1.46 + }
1.47 + U16_PREV(array, 0, i, c);
1.48 + if(!(c == 0x20 || u_isWhitespace(c))) {
1.49 + break;
1.50 + }
1.51 + }
1.52 + if(length < oldLength) {
1.53 + setLength(length);
1.54 + }
1.55 +
1.56 + // find leading white space
1.57 + int32_t start;
1.58 + i = 0;
1.59 + for(;;) {
1.60 + start = i;
1.61 + if(i >= length) {
1.62 + break;
1.63 + }
1.64 + U16_NEXT(array, i, length, c);
1.65 + if(!(c == 0x20 || u_isWhitespace(c))) {
1.66 + break;
1.67 + }
1.68 + }
1.69 +
1.70 + // move string forward over leading white space
1.71 + if(start > 0) {
1.72 + doReplace(0, start, 0, 0, 0);
1.73 + }
1.74 +
1.75 + return *this;
1.76 +}
1.77 +
1.78 +U_NAMESPACE_END
