Keith Cirkel
869e7cfd00
This change passes the Sanitizer to nsHtml5TreeBuilder & co, allowing for consumption of the Sanitizer during parsing, rather than iterating over the reified tree. Differential Revision: https://phabricator.services.mozilla.com/D320597
128 lines
3.7 KiB
C++
128 lines
3.7 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsHtml5StringParser_h
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#define nsHtml5StringParser_h
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#include "mozilla/UniquePtr.h"
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#include "nsHtml5AtomTable.h"
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#include "nsParserBase.h"
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class nsHtml5OplessBuilder;
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class nsHtml5TreeBuilder;
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class nsHtml5Tokenizer;
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class nsIContent;
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namespace mozilla {
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template <typename T>
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class Maybe;
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namespace dom {
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class CustomElementRegistry;
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class Document;
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class Sanitizer;
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} // namespace dom
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} // namespace mozilla
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class nsHtml5StringParser : public nsParserBase {
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public:
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NS_DECL_ISUPPORTS
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/**
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* Constructor for use ONLY by nsContentUtils. Others, please call the
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* nsContentUtils statics that wrap this.
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*/
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nsHtml5StringParser();
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/**
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* Invoke the fragment parsing algorithm (innerHTML).
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* https://html.spec.whatwg.org/#html-fragment-parsing-algorithm
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* DO NOT CALL from outside nsContentUtils.cpp.
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*
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* @param aSourceBuffer the string being set as innerHTML
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* @param aTargetNode the target container
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* @param aContextLocalName local name of context node
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* @param aContextNamespace namespace of context node
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* @param aQuirks true to make <table> not close <p>
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* @param aPreventScriptExecution true to prevent scripts from executing;
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* don't set to false when parsing into a target node that has been bound
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* to tree.
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* @param aAllowDeclarativeShadowRoots allow the creation of declarative
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* shadow roots.
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* @param aSanitizer the Sanitizer API configuration to apply while parsing
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* (the spec's "parser sanitizer configuration"), or nullptr not to sanitize
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* while parsing.
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* @param aSanitizerSafe safely sanitize, i.e.
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* "remove javascript navigation URLs".
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*/
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nsresult ParseFragment(
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const nsAString& aSourceBuffer, nsIContent* aTargetNode,
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nsAtom* aContextLocalName, int32_t aContextNamespace, bool aQuirks,
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bool aPreventScriptExecution, bool aAllowDeclarativeShadowRoots,
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mozilla::Maybe<RefPtr<mozilla::dom::CustomElementRegistry>>
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aCustomElementRegistry,
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mozilla::dom::Sanitizer* aSanitizer = nullptr,
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bool aSanitizerSafe = false);
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/**
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* Parse an entire HTML document from a source string.
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* DO NOT CALL from outside nsContentUtils.cpp.
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*
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*/
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nsresult ParseDocument(const nsAString& aSourceBuffer,
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mozilla::dom::Document* aTargetDoc,
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bool aScriptingEnabledForNoscriptParsing,
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mozilla::dom::Sanitizer* aSanitizer,
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bool aSanitizerSafe);
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private:
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virtual ~nsHtml5StringParser();
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nsresult Tokenize(const nsAString& aSourceBuffer,
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mozilla::dom::Document* aDocument,
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bool aScriptingEnabledForNoscriptParsing,
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bool aDeclarativeShadowRootsAllowed);
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void TryCache();
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void ClearCaches();
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/**
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* The tree operation executor
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*/
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RefPtr<nsHtml5OplessBuilder> mBuilder;
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/**
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* The HTML5 tree builder
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*/
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const mozilla::UniquePtr<nsHtml5TreeBuilder> mTreeBuilder;
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/**
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* The HTML5 tokenizer
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*/
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const mozilla::UniquePtr<nsHtml5Tokenizer> mTokenizer;
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/**
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* The scoped atom table
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*/
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nsHtml5AtomTable mAtomTable;
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class CacheClearer : public mozilla::Runnable {
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public:
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explicit CacheClearer(nsHtml5StringParser* aParser)
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: Runnable("CacheClearer"), mParser(aParser) {}
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NS_IMETHOD Run() {
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if (mParser) {
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mParser->ClearCaches();
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}
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return NS_OK;
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}
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void Disconnect() { mParser = nullptr; }
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private:
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nsHtml5StringParser* mParser;
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};
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RefPtr<CacheClearer> mCacheClearer;
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};
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#endif // nsHtml5StringParser_h
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