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1 /* | 1 /* |
2 * Copyright 2005 Frerich Raabe <raabe@kde.org> | 2 * Copyright 2005 Frerich Raabe <raabe@kde.org> |
3 * Copyright (C) 2006 Apple Computer, Inc. | 3 * Copyright (C) 2006 Apple Computer, Inc. |
4 * | 4 * |
5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
6 * modification, are permitted provided that the following conditions | 6 * modification, are permitted provided that the following conditions |
7 * are met: | 7 * are met: |
8 * | 8 * |
9 * 1. Redistributions of source code must retain the above copyright | 9 * 1. Redistributions of source code must retain the above copyright |
10 * notice, this list of conditions and the following disclaimer. | 10 * notice, this list of conditions and the following disclaimer. |
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27 #ifndef XPathPredicate_h | 27 #ifndef XPathPredicate_h |
28 #define XPathPredicate_h | 28 #define XPathPredicate_h |
29 | 29 |
30 #include "core/xml/XPathExpressionNode.h" | 30 #include "core/xml/XPathExpressionNode.h" |
31 #include "core/xml/XPathValue.h" | 31 #include "core/xml/XPathValue.h" |
32 | 32 |
33 namespace blink { | 33 namespace blink { |
34 | 34 |
35 namespace XPath { | 35 namespace XPath { |
36 | 36 |
37 class Number FINAL : public Expression { | 37 class Number final : public Expression { |
38 public: | 38 public: |
39 explicit Number(double); | 39 explicit Number(double); |
40 virtual void trace(Visitor*) OVERRIDE; | 40 virtual void trace(Visitor*) override; |
41 | 41 |
42 private: | 42 private: |
43 virtual Value evaluate(EvaluationContext&) const OVERRIDE; | 43 virtual Value evaluate(EvaluationContext&) const override; |
44 virtual Value::Type resultType() const OVERRIDE { return Value::NumberValue;
} | 44 virtual Value::Type resultType() const override { return Value::NumberValue;
} |
45 | 45 |
46 Value m_value; | 46 Value m_value; |
47 }; | 47 }; |
48 | 48 |
49 class StringExpression FINAL : public Expression { | 49 class StringExpression final : public Expression { |
50 public: | 50 public: |
51 explicit StringExpression(const String&); | 51 explicit StringExpression(const String&); |
52 virtual void trace(Visitor*) OVERRIDE; | 52 virtual void trace(Visitor*) override; |
53 | 53 |
54 private: | 54 private: |
55 virtual Value evaluate(EvaluationContext&) const OVERRIDE; | 55 virtual Value evaluate(EvaluationContext&) const override; |
56 virtual Value::Type resultType() const OVERRIDE { return Value::StringValue;
} | 56 virtual Value::Type resultType() const override { return Value::StringValue;
} |
57 | 57 |
58 Value m_value; | 58 Value m_value; |
59 }; | 59 }; |
60 | 60 |
61 class Negative FINAL : public Expression { | 61 class Negative final : public Expression { |
62 private: | 62 private: |
63 virtual Value evaluate(EvaluationContext&) const OVERRIDE; | 63 virtual Value evaluate(EvaluationContext&) const override; |
64 virtual Value::Type resultType() const OVERRIDE { return Value::NumberValue;
} | 64 virtual Value::Type resultType() const override { return Value::NumberValue;
} |
65 }; | 65 }; |
66 | 66 |
67 class NumericOp FINAL : public Expression { | 67 class NumericOp final : public Expression { |
68 public: | 68 public: |
69 enum Opcode { | 69 enum Opcode { |
70 OP_Add, OP_Sub, OP_Mul, OP_Div, OP_Mod | 70 OP_Add, OP_Sub, OP_Mul, OP_Div, OP_Mod |
71 }; | 71 }; |
72 NumericOp(Opcode, PassOwnPtrWillBeRawPtr<Expression> lhs, PassOwnPtrWillBeRa
wPtr<Expression> rhs); | 72 NumericOp(Opcode, PassOwnPtrWillBeRawPtr<Expression> lhs, PassOwnPtrWillBeRa
wPtr<Expression> rhs); |
73 | 73 |
74 private: | 74 private: |
75 virtual Value evaluate(EvaluationContext&) const OVERRIDE; | 75 virtual Value evaluate(EvaluationContext&) const override; |
76 virtual Value::Type resultType() const OVERRIDE { return Value::NumberValue;
} | 76 virtual Value::Type resultType() const override { return Value::NumberValue;
} |
77 | 77 |
78 Opcode m_opcode; | 78 Opcode m_opcode; |
79 }; | 79 }; |
80 | 80 |
81 class EqTestOp FINAL : public Expression { | 81 class EqTestOp final : public Expression { |
82 public: | 82 public: |
83 enum Opcode { OpcodeEqual, OpcodeNotEqual, OpcodeGreaterThan, OpcodeLessThan
, OpcodeGreaterOrEqual, OpcodeLessOrEqual }; | 83 enum Opcode { OpcodeEqual, OpcodeNotEqual, OpcodeGreaterThan, OpcodeLessThan
, OpcodeGreaterOrEqual, OpcodeLessOrEqual }; |
84 EqTestOp(Opcode, PassOwnPtrWillBeRawPtr<Expression> lhs, PassOwnPtrWillBeRaw
Ptr<Expression> rhs); | 84 EqTestOp(Opcode, PassOwnPtrWillBeRawPtr<Expression> lhs, PassOwnPtrWillBeRaw
Ptr<Expression> rhs); |
85 virtual Value evaluate(EvaluationContext&) const OVERRIDE; | 85 virtual Value evaluate(EvaluationContext&) const override; |
86 | 86 |
87 private: | 87 private: |
88 virtual Value::Type resultType() const OVERRIDE { return Value::BooleanValue
; } | 88 virtual Value::Type resultType() const override { return Value::BooleanValue
; } |
89 bool compare(EvaluationContext&, const Value&, const Value&) const; | 89 bool compare(EvaluationContext&, const Value&, const Value&) const; |
90 | 90 |
91 Opcode m_opcode; | 91 Opcode m_opcode; |
92 }; | 92 }; |
93 | 93 |
94 class LogicalOp FINAL : public Expression { | 94 class LogicalOp final : public Expression { |
95 public: | 95 public: |
96 enum Opcode { OP_And, OP_Or }; | 96 enum Opcode { OP_And, OP_Or }; |
97 LogicalOp(Opcode, PassOwnPtrWillBeRawPtr<Expression> lhs, PassOwnPtrWillBeRa
wPtr<Expression> rhs); | 97 LogicalOp(Opcode, PassOwnPtrWillBeRawPtr<Expression> lhs, PassOwnPtrWillBeRa
wPtr<Expression> rhs); |
98 | 98 |
99 private: | 99 private: |
100 virtual Value::Type resultType() const OVERRIDE { return Value::BooleanValue
; } | 100 virtual Value::Type resultType() const override { return Value::BooleanValue
; } |
101 bool shortCircuitOn() const; | 101 bool shortCircuitOn() const; |
102 virtual Value evaluate(EvaluationContext&) const OVERRIDE; | 102 virtual Value evaluate(EvaluationContext&) const override; |
103 | 103 |
104 Opcode m_opcode; | 104 Opcode m_opcode; |
105 }; | 105 }; |
106 | 106 |
107 class Union FINAL : public Expression { | 107 class Union final : public Expression { |
108 private: | 108 private: |
109 virtual Value evaluate(EvaluationContext&) const OVERRIDE; | 109 virtual Value evaluate(EvaluationContext&) const override; |
110 virtual Value::Type resultType() const OVERRIDE { return Value::NodeSetValue
; } | 110 virtual Value::Type resultType() const override { return Value::NodeSetValue
; } |
111 }; | 111 }; |
112 | 112 |
113 class Predicate FINAL : public NoBaseWillBeGarbageCollected<Predicate> { | 113 class Predicate final : public NoBaseWillBeGarbageCollected<Predicate> { |
114 WTF_MAKE_NONCOPYABLE(Predicate); WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED; | 114 WTF_MAKE_NONCOPYABLE(Predicate); WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED; |
115 DECLARE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(Predicate); | 115 DECLARE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(Predicate); |
116 public: | 116 public: |
117 explicit Predicate(PassOwnPtrWillBeRawPtr<Expression>); | 117 explicit Predicate(PassOwnPtrWillBeRawPtr<Expression>); |
118 void trace(Visitor*); | 118 void trace(Visitor*); |
119 | 119 |
120 bool evaluate(EvaluationContext&) const; | 120 bool evaluate(EvaluationContext&) const; |
121 bool isContextPositionSensitive() const { return m_expr->isContextPositionSe
nsitive() || m_expr->resultType() == Value::NumberValue; } | 121 bool isContextPositionSensitive() const { return m_expr->isContextPositionSe
nsitive() || m_expr->resultType() == Value::NumberValue; } |
122 bool isContextSizeSensitive() const { return m_expr->isContextSizeSensitive(
); } | 122 bool isContextSizeSensitive() const { return m_expr->isContextSizeSensitive(
); } |
123 | 123 |
124 private: | 124 private: |
125 OwnPtrWillBeMember<Expression> m_expr; | 125 OwnPtrWillBeMember<Expression> m_expr; |
126 }; | 126 }; |
127 | 127 |
128 } | 128 } |
129 | 129 |
130 } | 130 } |
131 #endif // XPathPredicate_h | 131 #endif // XPathPredicate_h |
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