intl/icu/source/common/unistr_props.cpp@fc2d59ddac77 (annotated)
intl/icu/source/common/unistr_props.cpp
Wed, 31 Dec 2014 07:22:50 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 07:22:50 +0100
- branch
- TOR_BUG_3246
- changeset 4
- fc2d59ddac77
- permissions
- -rw-r--r--
Correct previous dual key logic pending first delivery installment.
| michael@0 | 1 | /* |
| michael@0 | 2 | ******************************************************************************* |
| michael@0 | 3 | * |
| michael@0 | 4 | * Copyright (C) 1999-2011, International Business Machines |
| michael@0 | 5 | * Corporation and others. All Rights Reserved. |
| michael@0 | 6 | * |
| michael@0 | 7 | ******************************************************************************* |
| michael@0 | 8 | * file name: unistr_props.cpp |
| michael@0 | 9 | * encoding: US-ASCII |
| michael@0 | 10 | * tab size: 8 (not used) |
| michael@0 | 11 | * indentation:2 |
| michael@0 | 12 | * |
| michael@0 | 13 | * created on: 2004aug25 |
| michael@0 | 14 | * created by: Markus W. Scherer |
| michael@0 | 15 | * |
| michael@0 | 16 | * Character property dependent functions moved here from unistr.cpp |
| michael@0 | 17 | */ |
| michael@0 | 18 | |
| michael@0 | 19 | #include "unicode/utypes.h" |
| michael@0 | 20 | #include "unicode/uchar.h" |
| michael@0 | 21 | #include "unicode/unistr.h" |
| michael@0 | 22 | #include "unicode/utf16.h" |
| michael@0 | 23 | |
| michael@0 | 24 | U_NAMESPACE_BEGIN |
| michael@0 | 25 | |
| michael@0 | 26 | UnicodeString& |
| michael@0 | 27 | UnicodeString::trim() |
| michael@0 | 28 | { |
| michael@0 | 29 | if(isBogus()) { |
| michael@0 | 30 | return *this; |
| michael@0 | 31 | } |
| michael@0 | 32 | |
| michael@0 | 33 | UChar *array = getArrayStart(); |
| michael@0 | 34 | UChar32 c; |
| michael@0 | 35 | int32_t oldLength = this->length(); |
| michael@0 | 36 | int32_t i = oldLength, length; |
| michael@0 | 37 | |
| michael@0 | 38 | // first cut off trailing white space |
| michael@0 | 39 | for(;;) { |
| michael@0 | 40 | length = i; |
| michael@0 | 41 | if(i <= 0) { |
| michael@0 | 42 | break; |
| michael@0 | 43 | } |
| michael@0 | 44 | U16_PREV(array, 0, i, c); |
| michael@0 | 45 | if(!(c == 0x20 || u_isWhitespace(c))) { |
| michael@0 | 46 | break; |
| michael@0 | 47 | } |
| michael@0 | 48 | } |
| michael@0 | 49 | if(length < oldLength) { |
| michael@0 | 50 | setLength(length); |
| michael@0 | 51 | } |
| michael@0 | 52 | |
| michael@0 | 53 | // find leading white space |
| michael@0 | 54 | int32_t start; |
| michael@0 | 55 | i = 0; |
| michael@0 | 56 | for(;;) { |
| michael@0 | 57 | start = i; |
| michael@0 | 58 | if(i >= length) { |
| michael@0 | 59 | break; |
| michael@0 | 60 | } |
| michael@0 | 61 | U16_NEXT(array, i, length, c); |
| michael@0 | 62 | if(!(c == 0x20 || u_isWhitespace(c))) { |
| michael@0 | 63 | break; |
| michael@0 | 64 | } |
| michael@0 | 65 | } |
| michael@0 | 66 | |
| michael@0 | 67 | // move string forward over leading white space |
| michael@0 | 68 | if(start > 0) { |
| michael@0 | 69 | doReplace(0, start, 0, 0, 0); |
| michael@0 | 70 | } |
| michael@0 | 71 | |
| michael@0 | 72 | return *this; |
| michael@0 | 73 | } |
| michael@0 | 74 | |
| michael@0 | 75 | U_NAMESPACE_END |
