1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/intl/icu/source/common/patternprops.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,89 @@
1.4 +/*
1.5 +*******************************************************************************
1.6 +* Copyright (C) 2011, International Business Machines
1.7 +* Corporation and others. All Rights Reserved.
1.8 +*******************************************************************************
1.9 +* file name: patternprops.h
1.10 +* encoding: US-ASCII
1.11 +* tab size: 8 (not used)
1.12 +* indentation:4
1.13 +*
1.14 +* created on: 2011mar13
1.15 +* created by: Markus W. Scherer
1.16 +*/
1.17 +
1.18 +#ifndef __PATTERNPROPS_H__
1.19 +#define __PATTERNPROPS_H__
1.20 +
1.21 +#include "unicode/utypes.h"
1.22 +
1.23 +U_NAMESPACE_BEGIN
1.24 +
1.25 +/**
1.26 + * Implements the immutable Unicode properties Pattern_Syntax and Pattern_White_Space.
1.27 + * Hardcodes these properties, does not load data, does not depend on other ICU classes.
1.28 + * <p>
1.29 + * Note: Both properties include ASCII as well as non-ASCII, non-Latin-1 code points,
1.30 + * and both properties only include BMP code points (no supplementary ones).
1.31 + * Pattern_Syntax includes some unassigned code points.
1.32 + * <p>
1.33 + * [:Pattern_White_Space:] =
1.34 + * [\u0009-\u000D\ \u0085\u200E\u200F\u2028\u2029]
1.35 + * <p>
1.36 + * [:Pattern_Syntax:] =
1.37 + * [!-/\:-@\[-\^`\{-~\u00A1-\u00A7\u00A9\u00AB\u00AC\u00AE
1.38 + * \u00B0\u00B1\u00B6\u00BB\u00BF\u00D7\u00F7
1.39 + * \u2010-\u2027\u2030-\u203E\u2041-\u2053\u2055-\u205E
1.40 + * \u2190-\u245F\u2500-\u2775\u2794-\u2BFF\u2E00-\u2E7F
1.41 + * \u3001-\u3003\u3008-\u3020\u3030\uFD3E\uFD3F\uFE45\uFE46]
1.42 + * @author mscherer
1.43 + */
1.44 +class U_COMMON_API PatternProps {
1.45 +public:
1.46 + /**
1.47 + * @return TRUE if c is a Pattern_Syntax code point.
1.48 + */
1.49 + static UBool isSyntax(UChar32 c);
1.50 +
1.51 + /**
1.52 + * @return TRUE if c is a Pattern_Syntax or Pattern_White_Space code point.
1.53 + */
1.54 + static UBool isSyntaxOrWhiteSpace(UChar32 c);
1.55 +
1.56 + /**
1.57 + * @return TRUE if c is a Pattern_White_Space character.
1.58 + */
1.59 + static UBool isWhiteSpace(UChar32 c);
1.60 +
1.61 + /**
1.62 + * Skips over Pattern_White_Space starting at s.
1.63 + * @return The smallest pointer at or after s with a non-white space character.
1.64 + */
1.65 + static const UChar *skipWhiteSpace(const UChar *s, int32_t length);
1.66 +
1.67 + /**
1.68 + * @return s except with leading and trailing Pattern_White_Space removed and length adjusted.
1.69 + */
1.70 + static const UChar *trimWhiteSpace(const UChar *s, int32_t &length);
1.71 +
1.72 + /**
1.73 + * Tests whether the string contains a "pattern identifier", that is,
1.74 + * whether it contains only non-Pattern_White_Space, non-Pattern_Syntax characters.
1.75 + * @return TRUE if there are no Pattern_White_Space or Pattern_Syntax characters in s.
1.76 + */
1.77 + static UBool isIdentifier(const UChar *s, int32_t length);
1.78 +
1.79 + /**
1.80 + * Skips over a "pattern identifier" starting at index s.
1.81 + * @return The smallest pointer at or after s with
1.82 + * a Pattern_White_Space or Pattern_Syntax character.
1.83 + */
1.84 + static const UChar *skipIdentifier(const UChar *s, int32_t length);
1.85 +
1.86 +private:
1.87 + PatternProps(); // no constructor: all static methods
1.88 +};
1.89 +
1.90 +U_NAMESPACE_END
1.91 +
1.92 +#endif // __PATTERNPROPS_H__
