michael@0: //
michael@0: //  regexst.h
michael@0: //
michael@0: //  Copyright (C) 2003-2010, International Business Machines Corporation and others.
michael@0: //  All Rights Reserved.
michael@0: //
michael@0: //  This file contains declarations for the class RegexStaticSets
michael@0: //
michael@0: //  This class is internal to the regular expression implementation.
michael@0: //  For the public Regular Expression API, see the file "unicode/regex.h"
michael@0: //
michael@0: //  RegexStaticSets groups together the common UnicodeSets that are needed
michael@0: //   for compiling or executing RegularExpressions.  This grouping simplifies
michael@0: //   the thread safe lazy creation and sharing of these sets across
michael@0: //   all instances of regular expressions.
michael@0: //
michael@0: 
michael@0: #ifndef REGEXST_H
michael@0: #define REGEXST_H
michael@0: 
michael@0: #include "unicode/utypes.h"
michael@0: #include "unicode/utext.h"
michael@0: #if !UCONFIG_NO_REGULAR_EXPRESSIONS
michael@0: 
michael@0: #include "regeximp.h"
michael@0: 
michael@0: U_NAMESPACE_BEGIN
michael@0: 
michael@0: class  UnicodeSet;
michael@0: 
michael@0: 
michael@0: class RegexStaticSets : public UMemory {
michael@0: public:
michael@0:     static RegexStaticSets *gStaticSets;  // Ptr to all lazily initialized constant
michael@0:                                           //   shared sets.
michael@0: 
michael@0:     RegexStaticSets(UErrorCode *status);         
michael@0:     ~RegexStaticSets();
michael@0:     static void    initGlobals(UErrorCode *status);
michael@0:     static UBool   cleanup();
michael@0: 
michael@0:     UnicodeSet    *fPropSets[URX_LAST_SET];     // The sets for common regex items, e.g. \s
michael@0:     Regex8BitSet   fPropSets8[URX_LAST_SET];    // Fast bitmap sets for latin-1 range for above.
michael@0: 
michael@0:     UnicodeSet    fRuleSets[10];               // Sets used while parsing regexp patterns.
michael@0:     UnicodeSet    fUnescapeCharSet;            // Set of chars handled by unescape when
michael@0:                                                //   encountered with a \ in a pattern.
michael@0:     UnicodeSet    *fRuleDigitsAlias;
michael@0:     UText         *fEmptyText;                 // An empty string, to be used when a matcher
michael@0:                                                //   is created with no input.
michael@0: 
michael@0: };
michael@0: 
michael@0: 
michael@0: U_NAMESPACE_END
michael@0: #endif   // !UCONFIG_NO_REGULAR_EXPRESSIONS
michael@0: #endif   // REGEXST_H
michael@0: