dom/xslt/xpath/txXPathOptimizer.h@97036ab72558
dom/xslt/xpath/txXPathOptimizer.h
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
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
