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 //

 //  regexst.h

 //

 //  Copyright (C) 2003-2010, International Business Machines Corporation and others.

 //  All Rights Reserved.

 //

 //  This file contains declarations for the class RegexStaticSets

 //

 //  This class is internal to the regular expression implementation.

 //  For the public Regular Expression API, see the file "unicode/regex.h"

 //

 //  RegexStaticSets groups together the common UnicodeSets that are needed

 //   for compiling or executing RegularExpressions.  This grouping simplifies

 //   the thread safe lazy creation and sharing of these sets across

 //   all instances of regular expressions.

 //

 #ifndef REGEXST_H

 #define REGEXST_H

 #include "unicode/utypes.h"

 #include "unicode/utext.h"

 #if !UCONFIG_NO_REGULAR_EXPRESSIONS

 #include "regeximp.h"

 U_NAMESPACE_BEGIN

 class  UnicodeSet;

 class RegexStaticSets : public UMemory {

 public:

     static RegexStaticSets *gStaticSets;  // Ptr to all lazily initialized constant

                                           //   shared sets.

     RegexStaticSets(UErrorCode *status);         

     ~RegexStaticSets();

     static void    initGlobals(UErrorCode *status);

     static UBool   cleanup();

     UnicodeSet    *fPropSets[URX_LAST_SET];     // The sets for common regex items, e.g. \s

     Regex8BitSet   fPropSets8[URX_LAST_SET];    // Fast bitmap sets for latin-1 range for above.

     UnicodeSet    fRuleSets[10];               // Sets used while parsing regexp patterns.

     UnicodeSet    fUnescapeCharSet;            // Set of chars handled by unescape when

                                                //   encountered with a \ in a pattern.

     UnicodeSet    *fRuleDigitsAlias;

     UText         *fEmptyText;                 // An empty string, to be used when a matcher

                                                //   is created with no input.

 };

 U_NAMESPACE_END

 #endif   // !UCONFIG_NO_REGULAR_EXPRESSIONS

 #endif   // REGEXST_H