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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/svg/SVGElementFactory.cpp | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/svg/SVGElementFactory.cpp')
-rw-r--r-- | dom/svg/SVGElementFactory.cpp | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/dom/svg/SVGElementFactory.cpp b/dom/svg/SVGElementFactory.cpp new file mode 100644 index 0000000000..61cd2f65dd --- /dev/null +++ b/dom/svg/SVGElementFactory.cpp @@ -0,0 +1,105 @@ +/* -*- 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/. */ + +#include "SVGElementFactory.h" +#include "nsGkAtoms.h" +#include "nsIContent.h" +#include "mozilla/dom/NodeInfo.h" +#include "mozilla/dom/Element.h" +#include "mozilla/dom/FromParser.h" +#include "mozilla/StaticPtr.h" +#include "nsTHashMap.h" +#include "nsHashKeys.h" + +using namespace mozilla; +using namespace mozilla::dom; + +// Hash table that maps nsAtom* SVG tags to a SVGContentCreatorFunction. +using TagAtomTable = + nsTHashMap<nsPtrHashKey<nsAtom>, SVGContentCreatorFunction>; +StaticAutoPtr<TagAtomTable> sTagAtomTable; + +#define SVG_TAG(_tag, _classname) \ + nsresult NS_NewSVG##_classname##Element( \ + nsIContent** aResult, \ + already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo); \ + \ + nsresult NS_NewSVG##_classname##Element( \ + nsIContent** aResult, \ + already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo, \ + FromParser aFromParser) { \ + return NS_NewSVG##_classname##Element(aResult, std::move(aNodeInfo)); \ + } + +#define SVG_FROM_PARSER_TAG(_tag, _classname) + +#include "SVGTagList.h" +#undef SVG_TAG +#undef SVG_FROM_PARSER_TAG + +nsresult NS_NewSVGElement(Element** aResult, + already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo); + +enum SVGTag { +#define SVG_TAG(_tag, _classname) eSVGTag_##_tag, +#define SVG_FROM_PARSER_TAG(_tag, _classname) eSVGTag_##_tag, +#include "SVGTagList.h" +#undef SVG_TAG +#undef SVG_FROM_PARSER_TAG + eSVGTag_Count +}; + +void SVGElementFactory::Init() { + sTagAtomTable = new TagAtomTable(64); + +#define SVG_TAG(_tag, _classname) \ + sTagAtomTable->InsertOrUpdate( \ + nsGkAtoms::_tag, \ + SVGContentCreatorFunction(NS_NewSVG##_classname##Element)); +#define SVG_FROM_PARSER_TAG(_tag, _classname) \ + sTagAtomTable->InsertOrUpdate( \ + nsGkAtoms::_tag, \ + SVGContentCreatorFunction(NS_NewSVG##_classname##Element)); +#include "SVGTagList.h" +#undef SVG_TAG +#undef SVG_FROM_PARSER_TAG +} + +void SVGElementFactory::Shutdown() { sTagAtomTable = nullptr; } + +nsresult NS_NewSVGElement(Element** aResult, + already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo, + FromParser aFromParser) { + NS_ASSERTION(sTagAtomTable, "no lookup table, needs SVGElementFactory::Init"); + + RefPtr<mozilla::dom::NodeInfo> ni = aNodeInfo; + nsAtom* name = ni->NameAtom(); + + NS_ASSERTION( + ni->NamespaceEquals(kNameSpaceID_SVG), + "Trying to create SVG elements that aren't in the SVG namespace"); + + SVGContentCreatorFunction cb = sTagAtomTable->Get(name); + if (cb) { + nsCOMPtr<nsIContent> content; + nsresult rv = cb(getter_AddRefs(content), ni.forget(), aFromParser); + *aResult = content.forget().take()->AsElement(); + return rv; + } + + // if we don't know what to create, just create a standard svg element: + return NS_NewSVGElement(aResult, ni.forget()); +} + +nsresult NS_NewSVGUnknownElement( + nsIContent** aResult, already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo, + FromParser aFromParser) { + RefPtr<mozilla::dom::NodeInfo> ni = aNodeInfo; + nsCOMPtr<Element> element; + nsresult rv = NS_NewSVGElement(getter_AddRefs(element), ni.forget()); + element.forget(aResult); + return rv; +} |