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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /parser/html/nsHtml5StringParser.cpp
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'parser/html/nsHtml5StringParser.cpp')
-rw-r--r--parser/html/nsHtml5StringParser.cpp115
1 files changed, 115 insertions, 0 deletions
diff --git a/parser/html/nsHtml5StringParser.cpp b/parser/html/nsHtml5StringParser.cpp
new file mode 100644
index 0000000000..98f643abb4
--- /dev/null
+++ b/parser/html/nsHtml5StringParser.cpp
@@ -0,0 +1,115 @@
+/* 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 "nsHtml5StringParser.h"
+#include "nsHtml5DependentUTF16Buffer.h"
+#include "nsHtml5Tokenizer.h"
+#include "nsHtml5TreeBuilder.h"
+#include "nsHtml5TreeOpExecutor.h"
+#include "nsIContent.h"
+#include "mozilla/dom/Document.h"
+#include "mozilla/dom/DocumentFragment.h"
+
+using mozilla::dom::Document;
+
+NS_IMPL_ISUPPORTS0(nsHtml5StringParser)
+
+nsHtml5StringParser::nsHtml5StringParser()
+ : mBuilder(new nsHtml5OplessBuilder()),
+ mTreeBuilder(new nsHtml5TreeBuilder(mBuilder)),
+ mTokenizer(new nsHtml5Tokenizer(mTreeBuilder.get(), false)) {
+ mTokenizer->setInterner(&mAtomTable);
+}
+
+nsHtml5StringParser::~nsHtml5StringParser() {}
+
+nsresult nsHtml5StringParser::ParseFragment(const nsAString& aSourceBuffer,
+ nsIContent* aTargetNode,
+ nsAtom* aContextLocalName,
+ int32_t aContextNamespace,
+ bool aQuirks,
+ bool aPreventScriptExecution) {
+ NS_ENSURE_TRUE(aSourceBuffer.Length() <= INT32_MAX, NS_ERROR_OUT_OF_MEMORY);
+
+ Document* doc = aTargetNode->OwnerDoc();
+ nsIURI* uri = doc->GetDocumentURI();
+ NS_ENSURE_TRUE(uri, NS_ERROR_NOT_AVAILABLE);
+
+ mTreeBuilder->setFragmentContext(aContextLocalName, aContextNamespace,
+ aTargetNode, aQuirks);
+
+#ifdef DEBUG
+ if (!aPreventScriptExecution) {
+ NS_ASSERTION(!aTargetNode->IsInUncomposedDoc(),
+ "If script execution isn't prevented, "
+ "the target node must not be in doc.");
+ NS_ASSERTION(
+ aTargetNode->NodeType() == nsINode::DOCUMENT_FRAGMENT_NODE,
+ "If script execution isn't prevented, must parse to DOM fragment.");
+ }
+#endif
+
+ mTreeBuilder->SetPreventScriptExecution(aPreventScriptExecution);
+
+ return Tokenize(aSourceBuffer, doc, true);
+}
+
+nsresult nsHtml5StringParser::ParseDocument(
+ const nsAString& aSourceBuffer, Document* aTargetDoc,
+ bool aScriptingEnabledForNoscriptParsing) {
+ MOZ_ASSERT(!aTargetDoc->GetFirstChild());
+
+ NS_ENSURE_TRUE(aSourceBuffer.Length() <= INT32_MAX, NS_ERROR_OUT_OF_MEMORY);
+
+ mTreeBuilder->setFragmentContext(nullptr, kNameSpaceID_None, nullptr, false);
+
+ mTreeBuilder->SetPreventScriptExecution(true);
+
+ return Tokenize(aSourceBuffer, aTargetDoc,
+ aScriptingEnabledForNoscriptParsing);
+}
+
+nsresult nsHtml5StringParser::Tokenize(
+ const nsAString& aSourceBuffer, Document* aDocument,
+ bool aScriptingEnabledForNoscriptParsing) {
+ nsIURI* uri = aDocument->GetDocumentURI();
+
+ mBuilder->Init(aDocument, uri, nullptr, nullptr);
+
+ mBuilder->SetParser(this);
+ mBuilder->SetNodeInfoManager(aDocument->NodeInfoManager());
+
+ // Mark the parser as *not* broken by passing NS_OK
+ nsresult rv = mBuilder->MarkAsBroken(NS_OK);
+
+ mTreeBuilder->setScriptingEnabled(aScriptingEnabledForNoscriptParsing);
+ mTreeBuilder->setIsSrcdocDocument(aDocument->IsSrcdocDocument());
+ mBuilder->Start();
+ mTokenizer->start();
+ if (!aSourceBuffer.IsEmpty()) {
+ bool lastWasCR = false;
+ nsHtml5DependentUTF16Buffer buffer(aSourceBuffer);
+ while (buffer.hasMore()) {
+ buffer.adjust(lastWasCR);
+ lastWasCR = false;
+ if (buffer.hasMore()) {
+ if (!mTokenizer->EnsureBufferSpace(buffer.getLength())) {
+ rv = mBuilder->MarkAsBroken(NS_ERROR_OUT_OF_MEMORY);
+ break;
+ }
+ lastWasCR = mTokenizer->tokenizeBuffer(&buffer);
+ if (NS_FAILED(rv = mBuilder->IsBroken())) {
+ break;
+ }
+ }
+ }
+ }
+ if (NS_SUCCEEDED(rv)) {
+ mTokenizer->eof();
+ }
+ mTokenizer->end();
+ mBuilder->Finish();
+ mAtomTable.Clear();
+ return rv;
+}