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       1             : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* vim: set ts=8 sts=2 et sw=2 tw=80: */
       3             : /* This Source Code Form is subject to the terms of the Mozilla Public
       4             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       5             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       6             : 
       7             : /**
       8             :  * This file contains code to help implement the Conditional Processing
       9             :  * section of the SVG specification (i.e. the <switch> element and the
      10             :  * requiredFeatures, requiredExtensions and systemLanguage attributes).
      11             :  *
      12             :  *   http://www.w3.org/TR/SVG11/struct.html#ConditionalProcessing
      13             :  */
      14             : 
      15             : #include "nsSVGFeatures.h"
      16             : #include "nsIContent.h"
      17             : #include "nsIDocument.h"
      18             : #include "nsNameSpaceManager.h"
      19             : #include "mozilla/Preferences.h"
      20             : 
      21             : using namespace mozilla;
      22             : 
      23             : /*static*/ bool
      24           0 : nsSVGFeatures::HasExtension(const nsAString& aExtension, const bool aIsInChrome)
      25             : {
      26             : #define SVG_SUPPORTED_EXTENSION(str) if (aExtension.EqualsLiteral(str)) return true;
      27           0 :   SVG_SUPPORTED_EXTENSION("http://www.w3.org/1999/xhtml")
      28           0 :   nsNameSpaceManager* nameSpaceManager = nsNameSpaceManager::GetInstance();
      29           0 :   if (aIsInChrome || !nameSpaceManager->mMathMLDisabled) {
      30           0 :     SVG_SUPPORTED_EXTENSION("http://www.w3.org/1998/Math/MathML")
      31             :   }
      32             : #undef SVG_SUPPORTED_EXTENSION
      33             : 
      34           0 :   return false;
      35             : }