1 /* 2 * Copyright (C) 2008 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef Quantifier_h 27 #define Quantifier_h 28 29 #include <wtf/Platform.h> 30 31 #if ENABLE(WREC) 32 33 #include <wtf/Assertions.h> 34 #include <limits.h> 35 36 namespace JSC { namespace WREC { 37 38 struct Quantifier { 39 enum Type { 40 None, 41 Greedy, 42 NonGreedy, 43 Error, 44 }; 45 46 Quantifier(Type type = None, unsigned min = 0, unsigned max = Infinity) 47 : type(type) 48 , min(min) 49 , max(max) 50 { 51 ASSERT(min <= max); 52 } 53 54 Type type; 55 56 unsigned min; 57 unsigned max; 58 59 static const unsigned Infinity = UINT_MAX; 60 }; 61 62 } } // namespace JSC::WREC 63 64 #endif // ENABLE(WREC) 65 66 #endif // Quantifier_h 67