• file
• revisions
• annotate
• diff
• comparison
• raw

parser/html/nsHtml5StringParser.cpp@925c144e1f1f (annotated)

parser/html/nsHtml5StringParser.cpp

Fri, 16 Jan 2015 18:13:44 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Fri, 16 Jan 2015 18:13:44 +0100

branch

TOR_BUG_9701

changeset 14

925c144e1f1f

permissions

-rw-r--r--

Integrate suggestion from review to improve consistency with existing code.

michael@0	1	/* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	2	* License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0	3	* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	4
michael@0	5	#include "nsHtml5StringParser.h"
michael@0	6	#include "nsHtml5TreeOpExecutor.h"
michael@0	7	#include "nsHtml5TreeBuilder.h"
michael@0	8	#include "nsHtml5Tokenizer.h"
michael@0	9	#include "nsIContent.h"
michael@0	10	#include "nsIDocument.h"
michael@0	11	#include "nsIDOMDocumentFragment.h"
michael@0	12	#include "nsHtml5DependentUTF16Buffer.h"
michael@0	13
michael@0	14	NS_IMPL_ISUPPORTS0(nsHtml5StringParser)
michael@0	15
michael@0	16	nsHtml5StringParser::nsHtml5StringParser()
michael@0	17	: mBuilder(new nsHtml5OplessBuilder())
michael@0	18	, mTreeBuilder(new nsHtml5TreeBuilder(mBuilder))
michael@0	19	, mTokenizer(new nsHtml5Tokenizer(mTreeBuilder, false))
michael@0	20	{
michael@0	21	MOZ_COUNT_CTOR(nsHtml5StringParser);
michael@0	22	mTokenizer->setInterner(&mAtomTable);
michael@0	23	}
michael@0	24
michael@0	25	nsHtml5StringParser::~nsHtml5StringParser()
michael@0	26	{
michael@0	27	MOZ_COUNT_DTOR(nsHtml5StringParser);
michael@0	28	}
michael@0	29
michael@0	30	nsresult
michael@0	31	nsHtml5StringParser::ParseFragment(const nsAString& aSourceBuffer,
michael@0	32	nsIContent* aTargetNode,
michael@0	33	nsIAtom* aContextLocalName,
michael@0	34	int32_t aContextNamespace,
michael@0	35	bool aQuirks,
michael@0	36	bool aPreventScriptExecution)
michael@0	37	{
michael@0	38	NS_ENSURE_TRUE(aSourceBuffer.Length() <= INT32_MAX,
michael@0	39	NS_ERROR_OUT_OF_MEMORY);
michael@0	40
michael@0	41	nsIDocument* doc = aTargetNode->OwnerDoc();
michael@0	42	nsIURI* uri = doc->GetDocumentURI();
michael@0	43	NS_ENSURE_TRUE(uri, NS_ERROR_NOT_AVAILABLE);
michael@0	44
michael@0	45	mTreeBuilder->setFragmentContext(aContextLocalName,
michael@0	46	aContextNamespace,
michael@0	47	aTargetNode,
michael@0	48	aQuirks);
michael@0	49
michael@0	50	#ifdef DEBUG
michael@0	51	if (!aPreventScriptExecution) {
michael@0	52	NS_ASSERTION(!aTargetNode->IsInDoc(),
michael@0	53	"If script execution isn't prevented, "
michael@0	54	"the target node must not be in doc.");
michael@0	55	nsCOMPtr<nsIDOMDocumentFragment> domFrag = do_QueryInterface(aTargetNode);
michael@0	56	NS_ASSERTION(domFrag,
michael@0	57	"If script execution isn't prevented, must parse to DOM fragment.");
michael@0	58	}
michael@0	59	#endif
michael@0	60
michael@0	61	mTreeBuilder->SetPreventScriptExecution(aPreventScriptExecution);
michael@0	62
michael@0	63	return Tokenize(aSourceBuffer, doc, true);
michael@0	64	}
michael@0	65
michael@0	66	nsresult
michael@0	67	nsHtml5StringParser::ParseDocument(const nsAString& aSourceBuffer,
michael@0	68	nsIDocument* aTargetDoc,
michael@0	69	bool aScriptingEnabledForNoscriptParsing)
michael@0	70	{
michael@0	71	MOZ_ASSERT(!aTargetDoc->GetFirstChild());
michael@0	72
michael@0	73	NS_ENSURE_TRUE(aSourceBuffer.Length() <= INT32_MAX,
michael@0	74	NS_ERROR_OUT_OF_MEMORY);
michael@0	75
michael@0	76	mTreeBuilder->setFragmentContext(nullptr,
michael@0	77	kNameSpaceID_None,
michael@0	78	nullptr,
michael@0	79	false);
michael@0	80
michael@0	81	mTreeBuilder->SetPreventScriptExecution(true);
michael@0	82
michael@0	83	return Tokenize(aSourceBuffer, aTargetDoc, aScriptingEnabledForNoscriptParsing);
michael@0	84	}
michael@0	85
michael@0	86	nsresult
michael@0	87	nsHtml5StringParser::Tokenize(const nsAString& aSourceBuffer,
michael@0	88	nsIDocument* aDocument,
michael@0	89	bool aScriptingEnabledForNoscriptParsing) {
michael@0	90
michael@0	91	nsIURI* uri = aDocument->GetDocumentURI();
michael@0	92
michael@0	93	mBuilder->Init(aDocument, uri, nullptr, nullptr);
michael@0	94
michael@0	95	mBuilder->SetParser(this);
michael@0	96	mBuilder->SetNodeInfoManager(aDocument->NodeInfoManager());
michael@0	97
michael@0	98	// Mark the parser as *not* broken by passing NS_OK
michael@0	99	nsresult rv = mBuilder->MarkAsBroken(NS_OK);
michael@0	100
michael@0	101	mTreeBuilder->setScriptingEnabled(aScriptingEnabledForNoscriptParsing);
michael@0	102	mTreeBuilder->setIsSrcdocDocument(aDocument->IsSrcdocDocument());
michael@0	103	mBuilder->Start();
michael@0	104	mTokenizer->start();
michael@0	105	if (!aSourceBuffer.IsEmpty()) {
michael@0	106	bool lastWasCR = false;
michael@0	107	nsHtml5DependentUTF16Buffer buffer(aSourceBuffer);
michael@0	108	while (buffer.hasMore()) {
michael@0	109	buffer.adjust(lastWasCR);
michael@0	110	lastWasCR = false;
michael@0	111	if (buffer.hasMore()) {
michael@0	112	lastWasCR = mTokenizer->tokenizeBuffer(&buffer);
michael@0	113	if (NS_FAILED(rv = mBuilder->IsBroken())) {
michael@0	114	break;
michael@0	115	}
michael@0	116	}
michael@0	117	}
michael@0	118	}
michael@0	119	mTokenizer->eof();
michael@0	120	mTokenizer->end();
michael@0	121	mBuilder->Finish();
michael@0	122	mAtomTable.Clear();
michael@0	123	return rv;
michael@0	124	}