dom/xslt/xpath/txExprResult.h@6474c204b198 (annotated)
dom/xslt/xpath/txExprResult.h
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | #ifndef TRANSFRMX_EXPRRESULT_H |
| michael@0 | 7 | #define TRANSFRMX_EXPRRESULT_H |
| michael@0 | 8 | |
| michael@0 | 9 | #include "nsString.h" |
| michael@0 | 10 | #include "nsAutoPtr.h" |
| michael@0 | 11 | #include "txCore.h" |
| michael@0 | 12 | #include "txResultRecycler.h" |
| michael@0 | 13 | |
| michael@0 | 14 | /* |
| michael@0 | 15 | * ExprResult |
| michael@0 | 16 | * |
| michael@0 | 17 | * Classes Represented: |
| michael@0 | 18 | * BooleanResult, ExprResult, NumberResult, StringResult |
| michael@0 | 19 | * |
| michael@0 | 20 | * Note: for NodeSet, see NodeSet.h |
| michael@0 | 21 | */ |
| michael@0 | 22 | |
| michael@0 | 23 | class txAExprResult |
| michael@0 | 24 | { |
| michael@0 | 25 | public: |
| michael@0 | 26 | friend class txResultRecycler; |
| michael@0 | 27 | |
| michael@0 | 28 | // Update txLiteralExpr::getReturnType and sTypes in txEXSLTFunctions.cpp if |
| michael@0 | 29 | // this enum is changed. |
| michael@0 | 30 | enum ResultType { |
| michael@0 | 31 | NODESET = 0, |
| michael@0 | 32 | BOOLEAN, |
| michael@0 | 33 | NUMBER, |
| michael@0 | 34 | STRING, |
| michael@0 | 35 | RESULT_TREE_FRAGMENT |
| michael@0 | 36 | }; |
| michael@0 | 37 | |
| michael@0 | 38 | txAExprResult(txResultRecycler* aRecycler) : mRecycler(aRecycler) |
| michael@0 | 39 | { |
| michael@0 | 40 | } |
| michael@0 | 41 | virtual ~txAExprResult() |
| michael@0 | 42 | { |
| michael@0 | 43 | } |
| michael@0 | 44 | |
| michael@0 | 45 | void AddRef() |
| michael@0 | 46 | { |
| michael@0 | 47 | ++mRefCnt; |
| michael@0 | 48 | NS_LOG_ADDREF(this, mRefCnt, "txAExprResult", sizeof(*this)); |
| michael@0 | 49 | } |
| michael@0 | 50 | |
| michael@0 | 51 | void Release(); // Implemented in txResultRecycler.cpp |
| michael@0 | 52 | |
| michael@0 | 53 | /** |
| michael@0 | 54 | * Returns the type of ExprResult represented |
| michael@0 | 55 | * @return the type of ExprResult represented |
| michael@0 | 56 | **/ |
| michael@0 | 57 | virtual short getResultType() = 0; |
| michael@0 | 58 | |
| michael@0 | 59 | /** |
| michael@0 | 60 | * Creates a String representation of this ExprResult |
| michael@0 | 61 | * @param aResult the destination string to append the String |
| michael@0 | 62 | * representation to. |
| michael@0 | 63 | **/ |
| michael@0 | 64 | virtual void stringValue(nsString& aResult) = 0; |
| michael@0 | 65 | |
| michael@0 | 66 | /** |
| michael@0 | 67 | * Returns a pointer to the stringvalue if possible. Otherwise null is |
| michael@0 | 68 | * returned. |
| michael@0 | 69 | */ |
| michael@0 | 70 | virtual const nsString* stringValuePointer() = 0; |
| michael@0 | 71 | |
| michael@0 | 72 | /** |
| michael@0 | 73 | * Converts this ExprResult to a Boolean (bool) value |
| michael@0 | 74 | * @return the Boolean value |
| michael@0 | 75 | **/ |
| michael@0 | 76 | virtual bool booleanValue() = 0; |
| michael@0 | 77 | |
| michael@0 | 78 | /** |
| michael@0 | 79 | * Converts this ExprResult to a Number (double) value |
| michael@0 | 80 | * @return the Number value |
| michael@0 | 81 | **/ |
| michael@0 | 82 | virtual double numberValue() = 0; |
| michael@0 | 83 | |
| michael@0 | 84 | private: |
| michael@0 | 85 | nsAutoRefCnt mRefCnt; |
| michael@0 | 86 | nsRefPtr<txResultRecycler> mRecycler; |
| michael@0 | 87 | }; |
| michael@0 | 88 | |
| michael@0 | 89 | #define TX_DECL_EXPRRESULT \ |
| michael@0 | 90 | virtual short getResultType(); \ |
| michael@0 | 91 | virtual void stringValue(nsString& aString); \ |
| michael@0 | 92 | virtual const nsString* stringValuePointer(); \ |
| michael@0 | 93 | virtual bool booleanValue(); \ |
| michael@0 | 94 | virtual double numberValue(); \ |
| michael@0 | 95 | |
| michael@0 | 96 | |
| michael@0 | 97 | class BooleanResult : public txAExprResult { |
| michael@0 | 98 | |
| michael@0 | 99 | public: |
| michael@0 | 100 | BooleanResult(bool aValue); |
| michael@0 | 101 | |
| michael@0 | 102 | TX_DECL_EXPRRESULT |
| michael@0 | 103 | |
| michael@0 | 104 | private: |
| michael@0 | 105 | bool value; |
| michael@0 | 106 | }; |
| michael@0 | 107 | |
| michael@0 | 108 | class NumberResult : public txAExprResult { |
| michael@0 | 109 | |
| michael@0 | 110 | public: |
| michael@0 | 111 | NumberResult(double aValue, txResultRecycler* aRecycler); |
| michael@0 | 112 | |
| michael@0 | 113 | TX_DECL_EXPRRESULT |
| michael@0 | 114 | |
| michael@0 | 115 | double value; |
| michael@0 | 116 | |
| michael@0 | 117 | }; |
| michael@0 | 118 | |
| michael@0 | 119 | |
| michael@0 | 120 | class StringResult : public txAExprResult { |
| michael@0 | 121 | public: |
| michael@0 | 122 | StringResult(txResultRecycler* aRecycler); |
| michael@0 | 123 | StringResult(const nsAString& aValue, txResultRecycler* aRecycler); |
| michael@0 | 124 | |
| michael@0 | 125 | TX_DECL_EXPRRESULT |
| michael@0 | 126 | |
| michael@0 | 127 | nsString mValue; |
| michael@0 | 128 | }; |
| michael@0 | 129 | |
| michael@0 | 130 | #endif |
| michael@0 | 131 |
