Thu, 22 Jan 2015 13:21:57 +0100
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
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 txXPathOptimizer_h__ |
michael@0 | 7 | #define txXPathOptimizer_h__ |
michael@0 | 8 | |
michael@0 | 9 | #include "txCore.h" |
michael@0 | 10 | |
michael@0 | 11 | class Expr; |
michael@0 | 12 | |
michael@0 | 13 | class txXPathOptimizer |
michael@0 | 14 | { |
michael@0 | 15 | public: |
michael@0 | 16 | /** |
michael@0 | 17 | * Optimize the given expression. |
michael@0 | 18 | * @param aInExpr Expression to optimize. |
michael@0 | 19 | * @param aOutExpr Resulting expression, null if optimization didn't |
michael@0 | 20 | * result in a new expression. |
michael@0 | 21 | */ |
michael@0 | 22 | nsresult optimize(Expr* aInExpr, Expr** aOutExpr); |
michael@0 | 23 | |
michael@0 | 24 | private: |
michael@0 | 25 | // Helper methods for optimizing specific classes |
michael@0 | 26 | nsresult optimizeStep(Expr* aInExpr, Expr** aOutExpr); |
michael@0 | 27 | nsresult optimizePath(Expr* aInExpr, Expr** aOutExpr); |
michael@0 | 28 | nsresult optimizeUnion(Expr* aInExpr, Expr** aOutExpr); |
michael@0 | 29 | }; |
michael@0 | 30 | |
michael@0 | 31 | #endif |