From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- dom/svg/SVGFragmentIdentifier.h | 49 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 dom/svg/SVGFragmentIdentifier.h (limited to 'dom/svg/SVGFragmentIdentifier.h') diff --git a/dom/svg/SVGFragmentIdentifier.h b/dom/svg/SVGFragmentIdentifier.h new file mode 100644 index 000000000..0fb6fb1a7 --- /dev/null +++ b/dom/svg/SVGFragmentIdentifier.h @@ -0,0 +1,49 @@ +/* -*- 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/. */ + +#ifndef MOZILLA_SVGFRAGMENTIDENTIFIER_H__ +#define MOZILLA_SVGFRAGMENTIDENTIFIER_H__ + +#include "nsString.h" + +class nsIDocument; + +namespace mozilla { + +namespace dom { +class SVGSVGElement; +} // namespace dom + +/** + * Implements support for parsing SVG fragment identifiers + * http://www.w3.org/TR/SVG/linking.html#SVGFragmentIdentifiers + */ +class SVGFragmentIdentifier +{ + // To prevent the class being instantiated + SVGFragmentIdentifier() = delete; + +public: + /** + * Process the SVG fragment identifier, if there is one. + * @return true if we found a valid svgView()-style fragment identifier, + * in which case further processing by the caller can stop. Otherwise return + * false as we may have an ordinary anchor which needs to be :target matched. + */ + static bool ProcessFragmentIdentifier(nsIDocument *aDocument, + const nsAString &aAnchorName); + +private: + /** + * Parse an SVG ViewSpec and set applicable attributes on the root element. + * @return true if there is a valid ViewSpec + */ + static bool ProcessSVGViewSpec(const nsAString &aViewSpec, dom::SVGSVGElement *root); +}; + +} // namespace mozilla + +#endif // MOZILLA_SVGFRAGMENTIDENTIFIER_H__ -- cgit v1.2.3