projects / apple / icu.git / blame
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1 | // © 2016 and later: Unicode, Inc. and others. |
| 2 | // License & terms of use: http://www.unicode.org/copyright.html | |
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3 | // |
| 4 | // regexst.h | |
| 5 | // | |
| 729e4ab9 | 6 | // Copyright (C) 2003-2010, International Business Machines Corporation and others. |
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7 | // All Rights Reserved. |
| 8 | // | |
| 9 | // This file contains declarations for the class RegexStaticSets | |
| 10 | // | |
| 11 | // This class is internal to the regular expression implementation. | |
| 12 | // For the public Regular Expression API, see the file "unicode/regex.h" | |
| 13 | // | |
| 14 | // RegexStaticSets groups together the common UnicodeSets that are needed | |
| 15 | // for compiling or executing RegularExpressions. This grouping simplifies | |
| 16 | // the thread safe lazy creation and sharing of these sets across | |
| 17 | // all instances of regular expressions. | |
| 18 | // | |
| 19 | ||
| 20 | #ifndef REGEXST_H | |
| 21 | #define REGEXST_H | |
| 22 | ||
| 23 | #include "unicode/utypes.h" | |
| 729e4ab9 | 24 | #include "unicode/utext.h" |
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25 | #if !UCONFIG_NO_REGULAR_EXPRESSIONS |
| 26 | ||
| 27 | #include "regeximp.h" | |
| 28 | ||
| 29 | U_NAMESPACE_BEGIN | |
| 30 | ||
| 31 | class UnicodeSet; | |
| 32 | ||
| 33 | ||
| 34 | class RegexStaticSets : public UMemory { | |
| 35 | public: | |
| 36 | static RegexStaticSets *gStaticSets; // Ptr to all lazily initialized constant | |
| 37 | // shared sets. | |
| 38 | ||
| 39 | RegexStaticSets(UErrorCode *status); | |
| 40 | ~RegexStaticSets(); | |
| 41 | static void initGlobals(UErrorCode *status); | |
| 374ca955 | 42 | static UBool cleanup(); |
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43 | |
| 44 | UnicodeSet *fPropSets[URX_LAST_SET]; // The sets for common regex items, e.g. \s | |
| 45 | Regex8BitSet fPropSets8[URX_LAST_SET]; // Fast bitmap sets for latin-1 range for above. | |
| 46 | ||
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47 | UnicodeSet fRuleSets[10]; // Sets used while parsing regexp patterns. |
| 48 | UnicodeSet fUnescapeCharSet; // Set of chars handled by unescape when | |
| 49 | // encountered with a \ in a pattern. | |
| 50 | UnicodeSet *fRuleDigitsAlias; | |
| 729e4ab9 | 51 | UText *fEmptyText; // An empty string, to be used when a matcher |
| 46f4442e | 52 | // is created with no input. |
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53 | |
| 54 | }; | |
| 55 | ||
| 56 | ||
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57 | U_NAMESPACE_END |
| 58 | #endif // !UCONFIG_NO_REGULAR_EXPRESSIONS | |
| 59 | #endif // REGEXST_H | |
| 46f4442e | 60 |