The Tor Browser / file comparison
comparison: dom/xslt/xpath/txExprResult.h
dom/xslt/xpath/txExprResult.h
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:006410b423d4 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #ifndef TRANSFRMX_EXPRRESULT_H | |
| 7 #define TRANSFRMX_EXPRRESULT_H | |
| 8 | |
| 9 #include "nsString.h" | |
| 10 #include "nsAutoPtr.h" | |
| 11 #include "txCore.h" | |
| 12 #include "txResultRecycler.h" | |
| 13 | |
| 14 /* | |
| 15 * ExprResult | |
| 16 * | |
| 17 * Classes Represented: | |
| 18 * BooleanResult, ExprResult, NumberResult, StringResult | |
| 19 * | |
| 20 * Note: for NodeSet, see NodeSet.h | |
| 21 */ | |
| 22 | |
| 23 class txAExprResult | |
| 24 { | |
| 25 public: | |
| 26 friend class txResultRecycler; | |
| 27 | |
| 28 // Update txLiteralExpr::getReturnType and sTypes in txEXSLTFunctions.cpp if | |
| 29 // this enum is changed. | |
| 30 enum ResultType { | |
| 31 NODESET = 0, | |
| 32 BOOLEAN, | |
| 33 NUMBER, | |
| 34 STRING, | |
| 35 RESULT_TREE_FRAGMENT | |
| 36 }; | |
| 37 | |
| 38 txAExprResult(txResultRecycler* aRecycler) : mRecycler(aRecycler) | |
| 39 { | |
| 40 } | |
| 41 virtual ~txAExprResult() | |
| 42 { | |
| 43 } | |
| 44 | |
| 45 void AddRef() | |
| 46 { | |
| 47 ++mRefCnt; | |
| 48 NS_LOG_ADDREF(this, mRefCnt, "txAExprResult", sizeof(*this)); | |
| 49 } | |
| 50 | |
| 51 void Release(); // Implemented in txResultRecycler.cpp | |
| 52 | |
| 53 /** | |
| 54 * Returns the type of ExprResult represented | |
| 55 * @return the type of ExprResult represented | |
| 56 **/ | |
| 57 virtual short getResultType() = 0; | |
| 58 | |
| 59 /** | |
| 60 * Creates a String representation of this ExprResult | |
| 61 * @param aResult the destination string to append the String | |
| 62 * representation to. | |
| 63 **/ | |
| 64 virtual void stringValue(nsString& aResult) = 0; | |
| 65 | |
| 66 /** | |
| 67 * Returns a pointer to the stringvalue if possible. Otherwise null is | |
| 68 * returned. | |
| 69 */ | |
| 70 virtual const nsString* stringValuePointer() = 0; | |
| 71 | |
| 72 /** | |
| 73 * Converts this ExprResult to a Boolean (bool) value | |
| 74 * @return the Boolean value | |
| 75 **/ | |
| 76 virtual bool booleanValue() = 0; | |
| 77 | |
| 78 /** | |
| 79 * Converts this ExprResult to a Number (double) value | |
| 80 * @return the Number value | |
| 81 **/ | |
| 82 virtual double numberValue() = 0; | |
| 83 | |
| 84 private: | |
| 85 nsAutoRefCnt mRefCnt; | |
| 86 nsRefPtr<txResultRecycler> mRecycler; | |
| 87 }; | |
| 88 | |
| 89 #define TX_DECL_EXPRRESULT \ | |
| 90 virtual short getResultType(); \ | |
| 91 virtual void stringValue(nsString& aString); \ | |
| 92 virtual const nsString* stringValuePointer(); \ | |
| 93 virtual bool booleanValue(); \ | |
| 94 virtual double numberValue(); \ | |
| 95 | |
| 96 | |
| 97 class BooleanResult : public txAExprResult { | |
| 98 | |
| 99 public: | |
| 100 BooleanResult(bool aValue); | |
| 101 | |
| 102 TX_DECL_EXPRRESULT | |
| 103 | |
| 104 private: | |
| 105 bool value; | |
| 106 }; | |
| 107 | |
| 108 class NumberResult : public txAExprResult { | |
| 109 | |
| 110 public: | |
| 111 NumberResult(double aValue, txResultRecycler* aRecycler); | |
| 112 | |
| 113 TX_DECL_EXPRRESULT | |
| 114 | |
| 115 double value; | |
| 116 | |
| 117 }; | |
| 118 | |
| 119 | |
| 120 class StringResult : public txAExprResult { | |
| 121 public: | |
| 122 StringResult(txResultRecycler* aRecycler); | |
| 123 StringResult(const nsAString& aValue, txResultRecycler* aRecycler); | |
| 124 | |
| 125 TX_DECL_EXPRRESULT | |
| 126 | |
| 127 nsString mValue; | |
| 128 }; | |
| 129 | |
| 130 #endif | |
| 131 |
