зеркало из https://github.com/mozilla/gecko-dev.git
812 строки
28 KiB
C++
812 строки
28 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* 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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#include "mozilla/ArrayUtils.h"
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#include "nsXBLContentSink.h"
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#include "mozilla/dom/Document.h"
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#include "nsBindingManager.h"
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#include "nsGkAtoms.h"
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#include "nsNameSpaceManager.h"
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#include "nsIURI.h"
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#include "nsTextFragment.h"
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#ifdef MOZ_XUL
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# include "nsXULElement.h"
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#endif
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#include "nsXBLProtoImplProperty.h"
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#include "nsXBLProtoImplMethod.h"
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#include "nsXBLProtoImplField.h"
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#include "nsXBLPrototypeBinding.h"
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#include "nsContentUtils.h"
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#include "nsIConsoleService.h"
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#include "nsIScriptError.h"
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#include "nsNodeInfoManager.h"
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#include "nsIPrincipal.h"
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#include "mozilla/dom/Element.h"
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using namespace mozilla;
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using namespace mozilla::dom;
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nsresult NS_NewXBLContentSink(nsIXMLContentSink** aResult, Document* aDoc,
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nsIURI* aURI, nsISupports* aContainer) {
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NS_ENSURE_ARG_POINTER(aResult);
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RefPtr<nsXBLContentSink> it = new nsXBLContentSink();
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nsresult rv = it->Init(aDoc, aURI, aContainer);
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NS_ENSURE_SUCCESS(rv, rv);
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it.forget(aResult);
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return NS_OK;
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}
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nsXBLContentSink::nsXBLContentSink()
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: mState(eXBL_InDocument),
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mSecondaryState(eXBL_None),
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mDocInfo(nullptr),
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mIsChromeOrResource(false),
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mFoundFirstBinding(false),
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mBinding(nullptr),
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mHandler(nullptr),
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mImplementation(nullptr),
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mImplMember(nullptr),
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mImplField(nullptr),
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mProperty(nullptr),
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mMethod(nullptr),
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mField(nullptr) {
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mPrettyPrintXML = false;
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}
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nsXBLContentSink::~nsXBLContentSink() {}
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nsresult nsXBLContentSink::Init(Document* aDoc, nsIURI* aURI,
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nsISupports* aContainer) {
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nsresult rv;
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rv = nsXMLContentSink::Init(aDoc, aURI, aContainer, nullptr);
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return rv;
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}
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void nsXBLContentSink::MaybeStartLayout(bool aIgnorePendingSheets) {}
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nsresult nsXBLContentSink::FlushText(bool aReleaseTextNode) {
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if (mTextLength != 0) {
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const nsAString& text = Substring(mText, mText + mTextLength);
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if (mState == eXBL_InHandlers) {
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NS_ASSERTION(mBinding, "Must have binding here");
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// Get the text and add it to the event handler.
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if (mSecondaryState == eXBL_InHandler) mHandler->AppendHandlerText(text);
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mTextLength = 0;
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return NS_OK;
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} else if (mState == eXBL_InImplementation) {
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NS_ASSERTION(mBinding, "Must have binding here");
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if (mSecondaryState == eXBL_InConstructor ||
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mSecondaryState == eXBL_InDestructor) {
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// Construct a method for the constructor/destructor.
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nsXBLProtoImplMethod* method;
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if (mSecondaryState == eXBL_InConstructor)
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method = mBinding->GetConstructor();
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else
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method = mBinding->GetDestructor();
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// Get the text and add it to the constructor/destructor.
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method->AppendBodyText(text);
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} else if (mSecondaryState == eXBL_InGetter ||
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mSecondaryState == eXBL_InSetter) {
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// Get the text and add it to the getter/setter
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if (mSecondaryState == eXBL_InGetter)
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mProperty->AppendGetterText(text);
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else
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mProperty->AppendSetterText(text);
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} else if (mSecondaryState == eXBL_InBody) {
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// Get the text and add it to the method
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if (mMethod) mMethod->AppendBodyText(text);
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} else if (mSecondaryState == eXBL_InField) {
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// Get the text and add it to the method
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if (mField) mField->AppendFieldText(text);
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}
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mTextLength = 0;
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return NS_OK;
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}
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nsIContent* content = GetCurrentContent();
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if (content && (content->NodeInfo()->NamespaceEquals(kNameSpaceID_XBL) ||
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(content->IsXULElement() &&
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!content->IsAnyOfXULElements(nsGkAtoms::label,
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nsGkAtoms::description)))) {
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bool isWS = true;
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if (mTextLength > 0) {
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const char16_t* cp = mText;
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const char16_t* end = mText + mTextLength;
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while (cp < end) {
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char16_t ch = *cp++;
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if (!dom::IsSpaceCharacter(ch)) {
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isWS = false;
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break;
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}
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}
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}
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if (isWS && mTextLength > 0) {
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mTextLength = 0;
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// Make sure to drop the textnode, if any
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return nsXMLContentSink::FlushText(aReleaseTextNode);
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}
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}
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}
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return nsXMLContentSink::FlushText(aReleaseTextNode);
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}
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NS_IMETHODIMP
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nsXBLContentSink::ReportError(const char16_t* aErrorText,
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const char16_t* aSourceText,
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nsIScriptError* aError, bool* _retval) {
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MOZ_ASSERT(aError && aSourceText && aErrorText, "Check arguments!!!");
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// XXX FIXME This function overrides and calls on
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// nsXMLContentSink::ReportError, and probably should die. See bug 347826.
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// XXX We should make sure the binding has no effect, but that it also
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// gets destroyed properly without leaking. Perhaps we should even
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// ensure that the content that was bound is displayed with no
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// binding.
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#ifdef DEBUG
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// Report the error to stderr.
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fprintf(stderr, "\n%s\n%s\n\n", NS_LossyConvertUTF16toASCII(aErrorText).get(),
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NS_LossyConvertUTF16toASCII(aSourceText).get());
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#endif
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// Most of what this does won't be too useful, but whatever...
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// nsXMLContentSink::ReportError will handle the console logging.
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return nsXMLContentSink::ReportError(aErrorText, aSourceText, aError,
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_retval);
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}
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nsresult nsXBLContentSink::ReportUnexpectedElement(nsAtom* aElementName,
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uint32_t aLineNumber) {
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// XXX we should really somehow stop the parse and drop the binding
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// instead of just letting the XML sink build the content model like
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// we do...
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mState = eXBL_Error;
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AutoTArray<nsString, 1> params;
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aElementName->ToString(*params.AppendElement());
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return nsContentUtils::ReportToConsole(
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nsIScriptError::errorFlag, NS_LITERAL_CSTRING("XBL Content Sink"),
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mDocument, nsContentUtils::eXBL_PROPERTIES, "UnexpectedElement", params,
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nullptr, EmptyString() /* source line */, aLineNumber);
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}
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void nsXBLContentSink::AddMember(nsXBLProtoImplMember* aMember) {
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// Add this member to our chain.
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if (mImplMember)
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mImplMember->SetNext(
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aMember); // Already have a chain. Just append to the end.
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else
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mImplementation->SetMemberList(
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aMember); // We're the first member in the chain.
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mImplMember = aMember; // Adjust our pointer to point to the new last member
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// in the chain.
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}
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void nsXBLContentSink::AddField(nsXBLProtoImplField* aField) {
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// Add this field to our chain.
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if (mImplField)
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mImplField->SetNext(
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aField); // Already have a chain. Just append to the end.
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else
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mImplementation->SetFieldList(
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aField); // We're the first member in the chain.
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mImplField = aField; // Adjust our pointer to point to the new last field in
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// the chain.
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}
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NS_IMETHODIMP
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nsXBLContentSink::HandleStartElement(const char16_t* aName,
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const char16_t** aAtts,
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uint32_t aAttsCount, uint32_t aLineNumber,
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uint32_t aColumnNumber) {
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nsresult rv = nsXMLContentSink::HandleStartElement(
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aName, aAtts, aAttsCount, aLineNumber, aColumnNumber);
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if (NS_FAILED(rv)) return rv;
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if (mState == eXBL_InBinding && !mBinding) {
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rv = ConstructBinding(aLineNumber);
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if (NS_FAILED(rv)) return rv;
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// mBinding may still be null, if the binding had no id. If so,
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// we'll deal with that later in the sink.
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}
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return rv;
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}
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NS_IMETHODIMP
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nsXBLContentSink::HandleEndElement(const char16_t* aName) {
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FlushText();
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if (mState != eXBL_InDocument) {
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int32_t nameSpaceID;
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RefPtr<nsAtom> prefix, localName;
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nsContentUtils::SplitExpatName(aName, getter_AddRefs(prefix),
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getter_AddRefs(localName), &nameSpaceID);
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if (nameSpaceID == kNameSpaceID_XBL) {
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if (mState == eXBL_Error) {
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// Check whether we've opened this tag before; we may not have if
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// it was a real XBL tag before the error occurred.
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if (!GetCurrentContent()->NodeInfo()->Equals(localName, nameSpaceID)) {
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// OK, this tag was never opened as far as the XML sink is
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// concerned. Just drop the HandleEndElement
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return NS_OK;
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}
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} else if (mState == eXBL_InHandlers) {
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if (localName == nsGkAtoms::handlers) {
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mState = eXBL_InBinding;
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mHandler = nullptr;
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} else if (localName == nsGkAtoms::handler)
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mSecondaryState = eXBL_None;
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return NS_OK;
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} else if (mState == eXBL_InImplementation) {
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if (localName == nsGkAtoms::implementation)
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mState = eXBL_InBinding;
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else if (localName == nsGkAtoms::property) {
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mSecondaryState = eXBL_None;
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mProperty = nullptr;
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} else if (localName == nsGkAtoms::method) {
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mSecondaryState = eXBL_None;
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mMethod = nullptr;
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} else if (localName == nsGkAtoms::field) {
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mSecondaryState = eXBL_None;
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mField = nullptr;
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} else if (localName == nsGkAtoms::constructor ||
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localName == nsGkAtoms::destructor)
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mSecondaryState = eXBL_None;
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else if (localName == nsGkAtoms::getter ||
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localName == nsGkAtoms::setter)
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mSecondaryState = eXBL_InProperty;
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else if (localName == nsGkAtoms::parameter ||
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localName == nsGkAtoms::body)
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mSecondaryState = eXBL_InMethod;
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return NS_OK;
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} else if (mState == eXBL_InBindings &&
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localName == nsGkAtoms::bindings) {
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mState = eXBL_InDocument;
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}
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nsresult rv = nsXMLContentSink::HandleEndElement(aName);
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if (NS_FAILED(rv)) return rv;
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if (mState == eXBL_InBinding && localName == nsGkAtoms::binding) {
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mState = eXBL_InBindings;
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if (mBinding) { // See comment in HandleStartElement()
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mBinding->Initialize();
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mBinding = nullptr; // Clear our current binding ref.
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}
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}
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return NS_OK;
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}
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}
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return nsXMLContentSink::HandleEndElement(aName);
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}
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NS_IMETHODIMP
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nsXBLContentSink::HandleCDataSection(const char16_t* aData, uint32_t aLength) {
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if (mState == eXBL_InHandlers || mState == eXBL_InImplementation)
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return AddText(aData, aLength);
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return nsXMLContentSink::HandleCDataSection(aData, aLength);
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}
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#define ENSURE_XBL_STATE(_cond) \
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PR_BEGIN_MACRO \
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if (!(_cond)) { \
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ReportUnexpectedElement(aTagName, aLineNumber); \
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return true; \
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} \
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PR_END_MACRO
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bool nsXBLContentSink::OnOpenContainer(const char16_t** aAtts,
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uint32_t aAttsCount,
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int32_t aNameSpaceID, nsAtom* aTagName,
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uint32_t aLineNumber) {
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if (mState == eXBL_Error) {
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return true;
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}
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if (aNameSpaceID != kNameSpaceID_XBL) {
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// Construct non-XBL nodes
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return true;
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}
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bool ret = true;
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if (aTagName == nsGkAtoms::bindings) {
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ENSURE_XBL_STATE(mState == eXBL_InDocument);
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NS_ASSERTION(mDocument, "Must have a document!");
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RefPtr<nsXBLDocumentInfo> info = new nsXBLDocumentInfo(mDocument);
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// We keep a weak ref. We're creating a cycle between doc/binding
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// manager/doc info.
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mDocInfo = info;
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if (!mDocInfo) {
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mState = eXBL_Error;
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return true;
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}
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mDocument->BindingManager()->PutXBLDocumentInfo(mDocInfo);
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nsIURI* uri = mDocument->GetDocumentURI();
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bool isChrome = false;
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bool isRes = false;
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uri->SchemeIs("chrome", &isChrome);
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uri->SchemeIs("resource", &isRes);
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mIsChromeOrResource = isChrome || isRes;
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mState = eXBL_InBindings;
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} else if (aTagName == nsGkAtoms::binding) {
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ENSURE_XBL_STATE(mState == eXBL_InBindings);
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mState = eXBL_InBinding;
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} else if (aTagName == nsGkAtoms::handlers) {
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ENSURE_XBL_STATE(mState == eXBL_InBinding && mBinding);
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mState = eXBL_InHandlers;
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ret = false;
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} else if (aTagName == nsGkAtoms::handler) {
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ENSURE_XBL_STATE(mState == eXBL_InHandlers);
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mSecondaryState = eXBL_InHandler;
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ConstructHandler(aAtts, aLineNumber);
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ret = false;
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} else if (aTagName == nsGkAtoms::implementation) {
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ENSURE_XBL_STATE(mState == eXBL_InBinding && mBinding);
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mState = eXBL_InImplementation;
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ConstructImplementation(aAtts);
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// Note that this mState will cause us to return false, so no need
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// to set ret to false.
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} else if (aTagName == nsGkAtoms::constructor) {
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ENSURE_XBL_STATE(mState == eXBL_InImplementation &&
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mSecondaryState == eXBL_None);
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NS_ASSERTION(mBinding, "Must have binding here");
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mSecondaryState = eXBL_InConstructor;
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nsAutoString name;
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if (!mCurrentBindingID.IsEmpty()) {
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name.Assign(mCurrentBindingID);
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name.AppendLiteral("_XBL_Constructor");
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} else {
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name.AppendLiteral("XBL_Constructor");
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}
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nsXBLProtoImplAnonymousMethod* newMethod =
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new nsXBLProtoImplAnonymousMethod(name.get());
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newMethod->SetLineNumber(aLineNumber);
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mBinding->SetConstructor(newMethod);
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AddMember(newMethod);
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} else if (aTagName == nsGkAtoms::destructor) {
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ENSURE_XBL_STATE(mState == eXBL_InImplementation &&
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mSecondaryState == eXBL_None);
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NS_ASSERTION(mBinding, "Must have binding here");
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mSecondaryState = eXBL_InDestructor;
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nsAutoString name;
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if (!mCurrentBindingID.IsEmpty()) {
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name.Assign(mCurrentBindingID);
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name.AppendLiteral("_XBL_Destructor");
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} else {
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name.AppendLiteral("XBL_Destructor");
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}
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nsXBLProtoImplAnonymousMethod* newMethod =
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new nsXBLProtoImplAnonymousMethod(name.get());
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newMethod->SetLineNumber(aLineNumber);
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mBinding->SetDestructor(newMethod);
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AddMember(newMethod);
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} else if (aTagName == nsGkAtoms::field) {
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ENSURE_XBL_STATE(mState == eXBL_InImplementation &&
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mSecondaryState == eXBL_None);
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NS_ASSERTION(mBinding, "Must have binding here");
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mSecondaryState = eXBL_InField;
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ConstructField(aAtts, aLineNumber);
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} else if (aTagName == nsGkAtoms::property) {
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ENSURE_XBL_STATE(mState == eXBL_InImplementation &&
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mSecondaryState == eXBL_None);
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NS_ASSERTION(mBinding, "Must have binding here");
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mSecondaryState = eXBL_InProperty;
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ConstructProperty(aAtts, aLineNumber);
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} else if (aTagName == nsGkAtoms::getter) {
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ENSURE_XBL_STATE(mSecondaryState == eXBL_InProperty && mProperty);
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NS_ASSERTION(mState == eXBL_InImplementation, "Unexpected state");
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mProperty->SetGetterLineNumber(aLineNumber);
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mSecondaryState = eXBL_InGetter;
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} else if (aTagName == nsGkAtoms::setter) {
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ENSURE_XBL_STATE(mSecondaryState == eXBL_InProperty && mProperty);
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NS_ASSERTION(mState == eXBL_InImplementation, "Unexpected state");
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mProperty->SetSetterLineNumber(aLineNumber);
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mSecondaryState = eXBL_InSetter;
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} else if (aTagName == nsGkAtoms::method) {
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ENSURE_XBL_STATE(mState == eXBL_InImplementation &&
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mSecondaryState == eXBL_None);
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NS_ASSERTION(mBinding, "Must have binding here");
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mSecondaryState = eXBL_InMethod;
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ConstructMethod(aAtts);
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} else if (aTagName == nsGkAtoms::parameter) {
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ENSURE_XBL_STATE(mSecondaryState == eXBL_InMethod && mMethod);
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NS_ASSERTION(mState == eXBL_InImplementation, "Unexpected state");
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ConstructParameter(aAtts);
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} else if (aTagName == nsGkAtoms::body) {
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ENSURE_XBL_STATE(mSecondaryState == eXBL_InMethod && mMethod);
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NS_ASSERTION(mState == eXBL_InImplementation, "Unexpected state");
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// stash away the line number
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mMethod->SetLineNumber(aLineNumber);
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mSecondaryState = eXBL_InBody;
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}
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return ret && mState != eXBL_InImplementation;
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}
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#undef ENSURE_XBL_STATE
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nsresult nsXBLContentSink::ConstructBinding(uint32_t aLineNumber) {
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// This is only called from HandleStartElement, so it'd better be an element.
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RefPtr<Element> binding = GetCurrentContent()->AsElement();
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binding->GetAttr(kNameSpaceID_None, nsGkAtoms::id, mCurrentBindingID);
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NS_ConvertUTF16toUTF8 cid(mCurrentBindingID);
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nsresult rv = NS_OK;
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|
|
// Don't create a binding with no id. nsXBLPrototypeBinding::Read also
|
|
// performs this check.
|
|
if (!cid.IsEmpty()) {
|
|
mBinding = new nsXBLPrototypeBinding();
|
|
|
|
rv = mBinding->Init(cid, mDocInfo, binding, !mFoundFirstBinding);
|
|
if (NS_SUCCEEDED(rv) &&
|
|
NS_SUCCEEDED(mDocInfo->SetPrototypeBinding(cid, mBinding))) {
|
|
if (!mFoundFirstBinding) {
|
|
mFoundFirstBinding = true;
|
|
mDocInfo->SetFirstPrototypeBinding(mBinding);
|
|
}
|
|
binding->UnsetAttr(kNameSpaceID_None, nsGkAtoms::id, false);
|
|
} else {
|
|
delete mBinding;
|
|
mBinding = nullptr;
|
|
}
|
|
} else {
|
|
nsContentUtils::ReportToConsole(
|
|
nsIScriptError::errorFlag, NS_LITERAL_CSTRING("XBL Content Sink"),
|
|
nullptr, nsContentUtils::eXBL_PROPERTIES, "MissingIdAttr",
|
|
nsTArray<nsString>(), mDocumentURI, EmptyString(), aLineNumber);
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
static bool FindValue(const char16_t** aAtts, nsAtom* aAtom,
|
|
const char16_t** aResult) {
|
|
RefPtr<nsAtom> prefix, localName;
|
|
for (; *aAtts; aAtts += 2) {
|
|
int32_t nameSpaceID;
|
|
nsContentUtils::SplitExpatName(aAtts[0], getter_AddRefs(prefix),
|
|
getter_AddRefs(localName), &nameSpaceID);
|
|
|
|
// Is this attribute one of the ones we care about?
|
|
if (nameSpaceID == kNameSpaceID_None && localName == aAtom) {
|
|
*aResult = aAtts[1];
|
|
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void nsXBLContentSink::ConstructHandler(const char16_t** aAtts,
|
|
uint32_t aLineNumber) {
|
|
const char16_t* event = nullptr;
|
|
const char16_t* modifiers = nullptr;
|
|
const char16_t* button = nullptr;
|
|
const char16_t* clickcount = nullptr;
|
|
const char16_t* keycode = nullptr;
|
|
const char16_t* charcode = nullptr;
|
|
const char16_t* phase = nullptr;
|
|
const char16_t* command = nullptr;
|
|
const char16_t* action = nullptr;
|
|
const char16_t* group = nullptr;
|
|
const char16_t* preventdefault = nullptr;
|
|
const char16_t* allowuntrusted = nullptr;
|
|
|
|
RefPtr<nsAtom> prefix, localName;
|
|
for (; *aAtts; aAtts += 2) {
|
|
int32_t nameSpaceID;
|
|
nsContentUtils::SplitExpatName(aAtts[0], getter_AddRefs(prefix),
|
|
getter_AddRefs(localName), &nameSpaceID);
|
|
|
|
if (nameSpaceID != kNameSpaceID_None) {
|
|
continue;
|
|
}
|
|
|
|
// Is this attribute one of the ones we care about?
|
|
if (localName == nsGkAtoms::event)
|
|
event = aAtts[1];
|
|
else if (localName == nsGkAtoms::modifiers)
|
|
modifiers = aAtts[1];
|
|
else if (localName == nsGkAtoms::button)
|
|
button = aAtts[1];
|
|
else if (localName == nsGkAtoms::clickcount)
|
|
clickcount = aAtts[1];
|
|
else if (localName == nsGkAtoms::keycode)
|
|
keycode = aAtts[1];
|
|
else if (localName == nsGkAtoms::key || localName == nsGkAtoms::charcode)
|
|
charcode = aAtts[1];
|
|
else if (localName == nsGkAtoms::phase)
|
|
phase = aAtts[1];
|
|
else if (localName == nsGkAtoms::command)
|
|
command = aAtts[1];
|
|
else if (localName == nsGkAtoms::action)
|
|
action = aAtts[1];
|
|
else if (localName == nsGkAtoms::group)
|
|
group = aAtts[1];
|
|
else if (localName == nsGkAtoms::preventdefault)
|
|
preventdefault = aAtts[1];
|
|
else if (localName == nsGkAtoms::allowuntrusted)
|
|
allowuntrusted = aAtts[1];
|
|
}
|
|
|
|
if (command && !mIsChromeOrResource) {
|
|
// Make sure the XBL doc is chrome or resource if we have a command
|
|
// shorthand syntax.
|
|
mState = eXBL_Error;
|
|
nsContentUtils::ReportToConsole(
|
|
nsIScriptError::errorFlag, NS_LITERAL_CSTRING("XBL Content Sink"),
|
|
mDocument, nsContentUtils::eXBL_PROPERTIES, "CommandNotInChrome",
|
|
nsTArray<nsString>(), nullptr, EmptyString() /* source line */,
|
|
aLineNumber);
|
|
return; // Don't even make this handler.
|
|
}
|
|
|
|
// All of our pointers are now filled in. Construct our handler with all of
|
|
// these parameters.
|
|
nsXBLPrototypeHandler* newHandler;
|
|
newHandler = new nsXBLPrototypeHandler(
|
|
event, phase, action, command, keycode, charcode, modifiers, button,
|
|
clickcount, group, preventdefault, allowuntrusted, mBinding, aLineNumber);
|
|
|
|
// Add this handler to our chain of handlers.
|
|
if (mHandler) {
|
|
// Already have a chain. Just append to the end.
|
|
mHandler->SetNextHandler(newHandler);
|
|
} else {
|
|
// We're the first handler in the chain.
|
|
mBinding->SetPrototypeHandlers(newHandler);
|
|
}
|
|
// Adjust our mHandler pointer to point to the new last handler in the
|
|
// chain.
|
|
mHandler = newHandler;
|
|
}
|
|
|
|
void nsXBLContentSink::ConstructImplementation(const char16_t** aAtts) {
|
|
mImplementation = nullptr;
|
|
mImplMember = nullptr;
|
|
mImplField = nullptr;
|
|
|
|
if (!mBinding) return;
|
|
|
|
const char16_t* name = nullptr;
|
|
|
|
RefPtr<nsAtom> prefix, localName;
|
|
for (; *aAtts; aAtts += 2) {
|
|
int32_t nameSpaceID;
|
|
nsContentUtils::SplitExpatName(aAtts[0], getter_AddRefs(prefix),
|
|
getter_AddRefs(localName), &nameSpaceID);
|
|
|
|
if (nameSpaceID != kNameSpaceID_None) {
|
|
continue;
|
|
}
|
|
|
|
// Is this attribute one of the ones we care about?
|
|
if (localName == nsGkAtoms::name) {
|
|
name = aAtts[1];
|
|
} else if (localName == nsGkAtoms::implements) {
|
|
// Only allow implementation of interfaces via XBL if the principal of
|
|
// our XBL document is the system principal.
|
|
if (nsContentUtils::IsSystemPrincipal(mDocument->NodePrincipal())) {
|
|
mBinding->ConstructInterfaceTable(nsDependentString(aAtts[1]));
|
|
}
|
|
}
|
|
}
|
|
|
|
NS_NewXBLProtoImpl(mBinding, name, &mImplementation);
|
|
}
|
|
|
|
void nsXBLContentSink::ConstructField(const char16_t** aAtts,
|
|
uint32_t aLineNumber) {
|
|
const char16_t* name = nullptr;
|
|
const char16_t* readonly = nullptr;
|
|
|
|
RefPtr<nsAtom> prefix, localName;
|
|
for (; *aAtts; aAtts += 2) {
|
|
int32_t nameSpaceID;
|
|
nsContentUtils::SplitExpatName(aAtts[0], getter_AddRefs(prefix),
|
|
getter_AddRefs(localName), &nameSpaceID);
|
|
|
|
if (nameSpaceID != kNameSpaceID_None) {
|
|
continue;
|
|
}
|
|
|
|
// Is this attribute one of the ones we care about?
|
|
if (localName == nsGkAtoms::name) {
|
|
name = aAtts[1];
|
|
} else if (localName == nsGkAtoms::readonly) {
|
|
readonly = aAtts[1];
|
|
}
|
|
}
|
|
|
|
if (name) {
|
|
// All of our pointers are now filled in. Construct our field with all of
|
|
// these parameters.
|
|
mField = new nsXBLProtoImplField(name, readonly);
|
|
mField->SetLineNumber(aLineNumber);
|
|
AddField(mField);
|
|
}
|
|
}
|
|
|
|
void nsXBLContentSink::ConstructProperty(const char16_t** aAtts,
|
|
uint32_t aLineNumber) {
|
|
const char16_t* name = nullptr;
|
|
const char16_t* readonly = nullptr;
|
|
const char16_t* onget = nullptr;
|
|
const char16_t* onset = nullptr;
|
|
bool exposeToUntrustedContent = false;
|
|
|
|
RefPtr<nsAtom> prefix, localName;
|
|
for (; *aAtts; aAtts += 2) {
|
|
int32_t nameSpaceID;
|
|
nsContentUtils::SplitExpatName(aAtts[0], getter_AddRefs(prefix),
|
|
getter_AddRefs(localName), &nameSpaceID);
|
|
|
|
if (nameSpaceID != kNameSpaceID_None) {
|
|
continue;
|
|
}
|
|
|
|
// Is this attribute one of the ones we care about?
|
|
if (localName == nsGkAtoms::name) {
|
|
name = aAtts[1];
|
|
} else if (localName == nsGkAtoms::readonly) {
|
|
readonly = aAtts[1];
|
|
} else if (localName == nsGkAtoms::onget) {
|
|
onget = aAtts[1];
|
|
} else if (localName == nsGkAtoms::onset) {
|
|
onset = aAtts[1];
|
|
} else if (localName == nsGkAtoms::exposeToUntrustedContent &&
|
|
nsDependentString(aAtts[1]).EqualsLiteral("true")) {
|
|
exposeToUntrustedContent = true;
|
|
}
|
|
}
|
|
|
|
if (name) {
|
|
// All of our pointers are now filled in. Construct our property with all of
|
|
// these parameters.
|
|
mProperty =
|
|
new nsXBLProtoImplProperty(name, onget, onset, readonly, aLineNumber);
|
|
if (exposeToUntrustedContent) {
|
|
mProperty->SetExposeToUntrustedContent(true);
|
|
}
|
|
AddMember(mProperty);
|
|
}
|
|
}
|
|
|
|
void nsXBLContentSink::ConstructMethod(const char16_t** aAtts) {
|
|
mMethod = nullptr;
|
|
|
|
const char16_t* name = nullptr;
|
|
const char16_t* expose = nullptr;
|
|
if (FindValue(aAtts, nsGkAtoms::name, &name)) {
|
|
mMethod = new nsXBLProtoImplMethod(name);
|
|
if (FindValue(aAtts, nsGkAtoms::exposeToUntrustedContent, &expose) &&
|
|
nsDependentString(expose).EqualsLiteral("true")) {
|
|
mMethod->SetExposeToUntrustedContent(true);
|
|
}
|
|
}
|
|
|
|
if (mMethod) {
|
|
AddMember(mMethod);
|
|
}
|
|
}
|
|
|
|
void nsXBLContentSink::ConstructParameter(const char16_t** aAtts) {
|
|
if (!mMethod) return;
|
|
|
|
const char16_t* name = nullptr;
|
|
if (FindValue(aAtts, nsGkAtoms::name, &name)) {
|
|
mMethod->AddParameter(nsDependentString(name));
|
|
}
|
|
}
|
|
|
|
nsresult nsXBLContentSink::CreateElement(
|
|
const char16_t** aAtts, uint32_t aAttsCount,
|
|
mozilla::dom::NodeInfo* aNodeInfo, uint32_t aLineNumber,
|
|
uint32_t aColumnNumber, nsIContent** aResult, bool* aAppendContent,
|
|
FromParser aFromParser) {
|
|
#ifdef MOZ_XUL
|
|
if (!aNodeInfo->NamespaceEquals(kNameSpaceID_XUL)) {
|
|
#endif
|
|
return nsXMLContentSink::CreateElement(aAtts, aAttsCount, aNodeInfo,
|
|
aLineNumber, aColumnNumber, aResult,
|
|
aAppendContent, aFromParser);
|
|
#ifdef MOZ_XUL
|
|
}
|
|
|
|
// Note that this needs to match the code in
|
|
// nsXBLPrototypeBinding::ReadContentNode.
|
|
|
|
*aAppendContent = true;
|
|
RefPtr<nsXULPrototypeElement> prototype = new nsXULPrototypeElement();
|
|
|
|
prototype->mNodeInfo = aNodeInfo;
|
|
|
|
AddAttributesToXULPrototype(aAtts, aAttsCount, prototype);
|
|
|
|
Element* result;
|
|
nsresult rv = nsXULElement::CreateFromPrototype(prototype, mDocument, false,
|
|
false, &result);
|
|
*aResult = result;
|
|
return rv;
|
|
#endif
|
|
}
|
|
|
|
nsresult nsXBLContentSink::AddAttributes(const char16_t** aAtts,
|
|
Element* aElement) {
|
|
if (aElement->IsXULElement())
|
|
return NS_OK; // Nothing to do, since the proto already has the attrs.
|
|
|
|
return nsXMLContentSink::AddAttributes(aAtts, aElement);
|
|
}
|
|
|
|
#ifdef MOZ_XUL
|
|
nsresult nsXBLContentSink::AddAttributesToXULPrototype(
|
|
const char16_t** aAtts, uint32_t aAttsCount,
|
|
nsXULPrototypeElement* aElement) {
|
|
// Add tag attributes to the element
|
|
nsresult rv;
|
|
|
|
// Create storage for the attributes
|
|
nsXULPrototypeAttribute* attrs = nullptr;
|
|
if (aAttsCount > 0) {
|
|
attrs = new nsXULPrototypeAttribute[aAttsCount];
|
|
}
|
|
|
|
aElement->mAttributes = attrs;
|
|
aElement->mNumAttributes = aAttsCount;
|
|
|
|
// Copy the attributes into the prototype
|
|
RefPtr<nsAtom> prefix, localName;
|
|
|
|
uint32_t i;
|
|
for (i = 0; i < aAttsCount; ++i) {
|
|
int32_t nameSpaceID;
|
|
nsContentUtils::SplitExpatName(aAtts[i * 2], getter_AddRefs(prefix),
|
|
getter_AddRefs(localName), &nameSpaceID);
|
|
|
|
if (nameSpaceID == kNameSpaceID_None) {
|
|
attrs[i].mName.SetTo(localName);
|
|
} else {
|
|
RefPtr<NodeInfo> ni;
|
|
ni = mNodeInfoManager->GetNodeInfo(localName, prefix, nameSpaceID,
|
|
nsINode::ATTRIBUTE_NODE);
|
|
attrs[i].mName.SetTo(ni);
|
|
}
|
|
|
|
rv = aElement->SetAttrAt(i, nsDependentString(aAtts[i * 2 + 1]),
|
|
mDocumentURI);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
#endif
|