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comparison: intl/icu/source/i18n/regextxt.cpp
intl/icu/source/i18n/regextxt.cpp
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| -1:000000000000 | 0:467bf3c5f71f |
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| 1 /******************************************************************** | |
| 2 * COPYRIGHT: | |
| 3 * Copyright (c) 2008-2011, International Business Machines Corporation and | |
| 4 * others. All Rights Reserved. | |
| 5 ********************************************************************/ | |
| 6 // | |
| 7 // file: regextxt.cpp | |
| 8 // | |
| 9 // This file contains utility code for supporting UText in the regular expression engine. | |
| 10 // | |
| 11 | |
| 12 #include "unicode/utf.h" | |
| 13 #include "regextxt.h" | |
| 14 | |
| 15 U_NAMESPACE_BEGIN | |
| 16 | |
| 17 U_CFUNC UChar U_CALLCONV | |
| 18 uregex_utext_unescape_charAt(int32_t offset, void *ct) { | |
| 19 struct URegexUTextUnescapeCharContext *context = (struct URegexUTextUnescapeCharContext *)ct; | |
| 20 UChar32 c; | |
| 21 if (offset == context->lastOffset + 1) { | |
| 22 c = UTEXT_NEXT32(context->text); | |
| 23 context->lastOffset++; | |
| 24 } else if (offset == context->lastOffset) { | |
| 25 c = UTEXT_PREVIOUS32(context->text); | |
| 26 UTEXT_NEXT32(context->text); | |
| 27 } else { | |
| 28 utext_moveIndex32(context->text, offset - context->lastOffset - 1); | |
| 29 c = UTEXT_NEXT32(context->text); | |
| 30 context->lastOffset = offset; | |
| 31 } | |
| 32 | |
| 33 // !!!: Doesn't handle characters outside BMP | |
| 34 if (U_IS_BMP(c)) { | |
| 35 return (UChar)c; | |
| 36 } else { | |
| 37 return 0; | |
| 38 } | |
| 39 } | |
| 40 | |
| 41 U_CFUNC UChar U_CALLCONV | |
| 42 uregex_ucstr_unescape_charAt(int32_t offset, void *context) { | |
| 43 return ((UChar *)context)[offset]; | |
| 44 } | |
| 45 | |
| 46 U_NAMESPACE_END |
