Add m-esr52 at 52.6.0

1 files changed, 130 insertions, 0 deletions

diff --git a/parser/html/nsHtml5StringParser.cpp b/parser/html/nsHtml5StringParser.cpp
new file mode 100644
index 000000000..d1eeca6b8
--- /dev/null
+++ b/parser/html/nsHtml5StringParser.cpp
@@ -0,0 +1,130 @@
+/* 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 "nsHtml5TreeOpExecutor.h"
+#include "nsHtml5TreeBuilder.h"
+#include "nsHtml5Tokenizer.h"
+#include "nsIContent.h"
+#include "nsIDocument.h"
+#include "nsIDOMDocumentFragment.h"
+#include "nsHtml5DependentUTF16Buffer.h"
+
+NS_IMPL_ISUPPORTS0(nsHtml5StringParser)
+
+nsHtml5StringParser::nsHtml5StringParser()
+  : mBuilder(new nsHtml5OplessBuilder())
+  , mTreeBuilder(new nsHtml5TreeBuilder(mBuilder))
+  , mTokenizer(new nsHtml5Tokenizer(mTreeBuilder, false))
+{
+  MOZ_COUNT_CTOR(nsHtml5StringParser);
+  mTokenizer->setInterner(&mAtomTable);
+}
+
+nsHtml5StringParser::~nsHtml5StringParser()
+{
+  MOZ_COUNT_DTOR(nsHtml5StringParser);
+}
+
+nsresult
+nsHtml5StringParser::ParseFragment(const nsAString& aSourceBuffer,
+                                   nsIContent* aTargetNode,
+                                   nsIAtom* aContextLocalName,
+                                   int32_t aContextNamespace,
+                                   bool aQuirks,
+                                   bool aPreventScriptExecution)
+{
+  NS_ENSURE_TRUE(aSourceBuffer.Length() <= INT32_MAX,
+                 NS_ERROR_OUT_OF_MEMORY);
+
+  nsIDocument* 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.");
+    nsCOMPtr<nsIDOMDocumentFragment> domFrag = do_QueryInterface(aTargetNode);
+    NS_ASSERTION(domFrag,
+      "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,
+                                   nsIDocument* 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,
+                              nsIDocument* 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;
+}