1 | // © 2016 and later: Unicode, Inc. and others. |
2 | // License & terms of use: http://www.unicode.org/copyright.html |
3 | // |
4 | // regexst.h |
5 | // |
6 | // Copyright (C) 2003-2010, International Business Machines Corporation and others. |
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" |
24 | #include "unicode/utext.h" |
25 | #if !UCONFIG_NO_REGULAR_EXPRESSIONS |
26 | |
27 | #include "regeximp.h" |
28 | #include "regexcst.h" |
29 | |
30 | U_NAMESPACE_BEGIN |
31 | |
32 | class UnicodeSet; |
33 | |
34 | |
35 | class RegexStaticSets : public UMemory { |
36 | public: |
37 | static RegexStaticSets *gStaticSets; // Ptr to all lazily initialized constant |
38 | // shared sets. |
39 | |
40 | RegexStaticSets(UErrorCode *status); |
41 | ~RegexStaticSets(); |
42 | static void initGlobals(UErrorCode *status); |
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 | |
47 | UnicodeSet fRuleSets[kRuleSet_count] {}; // 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 {}; |
51 | UText *fEmptyText {}; // An empty string, to be used when a matcher |
52 | // is created with no input. |
53 | |
54 | }; |
55 | |
56 | |
57 | U_NAMESPACE_END |
58 | #endif // !UCONFIG_NO_REGULAR_EXPRESSIONS |
59 | #endif // REGEXST_H |
60 | |
61 | |