gecko-dev/dom/svg/nsSVGFeatures.cpp

36 строки
1.3 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/**
* This file contains code to help implement the Conditional Processing
* section of the SVG specification (i.e. the <switch> element and the
* requiredFeatures, requiredExtensions and systemLanguage attributes).
*
* http://www.w3.org/TR/SVG11/struct.html#ConditionalProcessing
*/
#include "nsSVGFeatures.h"
#include "nsIContent.h"
#include "nsIDocument.h"
#include "nsNameSpaceManager.h"
#include "mozilla/Preferences.h"
using namespace mozilla;
/*static*/ bool nsSVGFeatures::HasExtension(const nsAString& aExtension,
const bool aIsInChrome) {
#define SVG_SUPPORTED_EXTENSION(str) \
if (aExtension.EqualsLiteral(str)) return true;
SVG_SUPPORTED_EXTENSION("http://www.w3.org/1999/xhtml")
nsNameSpaceManager* nameSpaceManager = nsNameSpaceManager::GetInstance();
if (aIsInChrome || !nameSpaceManager->mMathMLDisabled) {
SVG_SUPPORTED_EXTENSION("http://www.w3.org/1998/Math/MathML")
}
#undef SVG_SUPPORTED_EXTENSION
return false;
}