dom/xslt/xpath/txXPathOptimizer.h@6474c204b198
dom/xslt/xpath/txXPathOptimizer.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.
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/. */
6 #ifndef txXPathOptimizer_h__
7 #define txXPathOptimizer_h__
9 #include "txCore.h"
11 class Expr;
13 class txXPathOptimizer
14 {
15 public:
16 /**
17 * Optimize the given expression.
18 * @param aInExpr Expression to optimize.
19 * @param aOutExpr Resulting expression, null if optimization didn't
20 * result in a new expression.
21 */
22 nsresult optimize(Expr* aInExpr, Expr** aOutExpr);
24 private:
25 // Helper methods for optimizing specific classes
26 nsresult optimizeStep(Expr* aInExpr, Expr** aOutExpr);
27 nsresult optimizePath(Expr* aInExpr, Expr** aOutExpr);
28 nsresult optimizeUnion(Expr* aInExpr, Expr** aOutExpr);
29 };
31 #endif
