nsXBLContentSink.cpp
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 "mozilla/ArrayUtils.h"
#include "nsXBLContentSink.h"
#include "nsIDocument.h"
#include "nsBindingManager.h"
#include "nsIDOMNode.h"
#include "nsGkAtoms.h"
#include "nsNameSpaceManager.h"
#include "nsIURI.h"
#include "nsTextFragment.h"
#ifdef MOZ_XUL
#include "nsXULElement.h"
#endif
#include "nsXBLProtoImplProperty.h"
#include "nsXBLProtoImplMethod.h"
#include "nsXBLProtoImplField.h"
#include "nsXBLPrototypeBinding.h"
#include "nsContentUtils.h"
#include "nsIConsoleService.h"
#include "nsIScriptError.h"
#include "nsNodeInfoManager.h"
#include "nsIPrincipal.h"
#include "mozilla/dom/Element.h"
using namespace mozilla;
using namespace mozilla::dom;
nsresult
NS_NewXBLContentSink(nsIXMLContentSink** aResult,
nsIDocument* aDoc,
nsIURI* aURI,
nsISupports* aContainer)
{
NS_ENSURE_ARG_POINTER(aResult);
nsXBLContentSink* it = new nsXBLContentSink();
nsCOMPtr<nsIXMLContentSink> kungFuDeathGrip = it;
nsresult rv = it->Init(aDoc, aURI, aContainer);
NS_ENSURE_SUCCESS(rv, rv);
return CallQueryInterface(it, aResult);
}
nsXBLContentSink::nsXBLContentSink()
: mState(eXBL_InDocument),
mSecondaryState(eXBL_None),
mDocInfo(nullptr),
mIsChromeOrResource(false),
mFoundFirstBinding(false),
mBinding(nullptr),
mHandler(nullptr),
mImplementation(nullptr),
mImplMember(nullptr),
mImplField(nullptr),
mProperty(nullptr),
mMethod(nullptr),
mField(nullptr)
{
mPrettyPrintXML = false;
}
nsXBLContentSink::~nsXBLContentSink()
{
}
nsresult
nsXBLContentSink::Init(nsIDocument* aDoc,
nsIURI* aURI,
nsISupports* aContainer)
{
nsresult rv;
rv = nsXMLContentSink::Init(aDoc, aURI, aContainer, nullptr);
return rv;
}
void
nsXBLContentSink::MaybeStartLayout(bool aIgnorePendingSheets)
{
return;
}
nsresult
nsXBLContentSink::FlushText(bool aReleaseTextNode)
{
if (mTextLength != 0) {
const nsASingleFragmentString& text = Substring(mText, mText+mTextLength);
if (mState == eXBL_InHandlers) {
NS_ASSERTION(mBinding, "Must have binding here");
// Get the text and add it to the event handler.
if (mSecondaryState == eXBL_InHandler)
mHandler->AppendHandlerText(text);
mTextLength = 0;
return NS_OK;
}
else if (mState == eXBL_InImplementation) {
NS_ASSERTION(mBinding, "Must have binding here");
if (mSecondaryState == eXBL_InConstructor ||
mSecondaryState == eXBL_InDestructor) {
// Construct a method for the constructor/destructor.
nsXBLProtoImplMethod* method;
if (mSecondaryState == eXBL_InConstructor)
method = mBinding->GetConstructor();
else
method = mBinding->GetDestructor();
// Get the text and add it to the constructor/destructor.
method->AppendBodyText(text);
}
else if (mSecondaryState == eXBL_InGetter ||
mSecondaryState == eXBL_InSetter) {
// Get the text and add it to the getter/setter
if (mSecondaryState == eXBL_InGetter)
mProperty->AppendGetterText(text);
else
mProperty->AppendSetterText(text);
}
else if (mSecondaryState == eXBL_InBody) {
// Get the text and add it to the method
if (mMethod)
mMethod->AppendBodyText(text);
}
else if (mSecondaryState == eXBL_InField) {
// Get the text and add it to the method
if (mField)
mField->AppendFieldText(text);
}
mTextLength = 0;
return NS_OK;
}
nsIContent* content = GetCurrentContent();
if (content &&
(content->NodeInfo()->NamespaceEquals(kNameSpaceID_XBL) ||
(content->IsXULElement() &&
!content->IsAnyOfXULElements(nsGkAtoms::label,
nsGkAtoms::description)))) {
bool isWS = true;
if (mTextLength > 0) {
const char16_t* cp = mText;
const char16_t* end = mText + mTextLength;
while (cp < end) {
char16_t ch = *cp++;
if (!dom::IsSpaceCharacter(ch)) {
isWS = false;
break;
}
}
}
if (isWS && mTextLength > 0) {
mTextLength = 0;
// Make sure to drop the textnode, if any
return nsXMLContentSink::FlushText(aReleaseTextNode);
}
}
}
return nsXMLContentSink::FlushText(aReleaseTextNode);
}
NS_IMETHODIMP
nsXBLContentSink::ReportError(const char16_t* aErrorText,
const char16_t* aSourceText,
nsIScriptError *aError,
bool *_retval)
{
NS_PRECONDITION(aError && aSourceText && aErrorText, "Check arguments!!!");
// XXX FIXME This function overrides and calls on
// nsXMLContentSink::ReportError, and probably should die. See bug 347826.
// XXX We should make sure the binding has no effect, but that it also
// gets destroyed properly without leaking. Perhaps we should even
// ensure that the content that was bound is displayed with no
// binding.
#ifdef DEBUG
// Report the error to stderr.
fprintf(stderr,
"\n%s\n%s\n\n",
NS_LossyConvertUTF16toASCII(aErrorText).get(),
NS_LossyConvertUTF16toASCII(aSourceText).get());
#endif
// Most of what this does won't be too useful, but whatever...
// nsXMLContentSink::ReportError will handle the console logging.
return nsXMLContentSink::ReportError(aErrorText,
aSourceText,
aError,
_retval);
}
nsresult
nsXBLContentSink::ReportUnexpectedElement(nsIAtom* aElementName,
uint32_t aLineNumber)
{
// XXX we should really somehow stop the parse and drop the binding
// instead of just letting the XML sink build the content model like
// we do...
mState = eXBL_Error;
nsAutoString elementName;
aElementName->ToString(elementName);
const char16_t* params[] = { elementName.get() };
return nsContentUtils::ReportToConsole(nsIScriptError::errorFlag,
NS_LITERAL_CSTRING("XBL Content Sink"),
mDocument,
nsContentUtils::eXBL_PROPERTIES,
"UnexpectedElement",
params, ArrayLength(params),
nullptr,
EmptyString() /* source line */,
aLineNumber);
}
void
nsXBLContentSink::AddMember(nsXBLProtoImplMember* aMember)
{
// Add this member to our chain.
if (mImplMember)
mImplMember->SetNext(aMember); // Already have a chain. Just append to the end.
else
mImplementation->SetMemberList(aMember); // We're the first member in the chain.
mImplMember = aMember; // Adjust our pointer to point to the new last member in the chain.
}
void
nsXBLContentSink::AddField(nsXBLProtoImplField* aField)
{
// Add this field to our chain.
if (mImplField)
mImplField->SetNext(aField); // Already have a chain. Just append to the end.
else
mImplementation->SetFieldList(aField); // We're the first member in the chain.
mImplField = aField; // Adjust our pointer to point to the new last field in the chain.
}
NS_IMETHODIMP
nsXBLContentSink::HandleStartElement(const char16_t *aName,
const char16_t **aAtts,
uint32_t aAttsCount,
uint32_t aLineNumber)
{
nsresult rv = nsXMLContentSink::HandleStartElement(aName, aAtts, aAttsCount,
aLineNumber);
if (NS_FAILED(rv))
return rv;
if (mState == eXBL_InBinding && !mBinding) {
rv = ConstructBinding(aLineNumber);
if (NS_FAILED(rv))
return rv;
// mBinding may still be null, if the binding had no id. If so,
// we'll deal with that later in the sink.
}
return rv;
}
NS_IMETHODIMP
nsXBLContentSink::HandleEndElement(const char16_t *aName)
{
FlushText();
if (mState != eXBL_InDocument) {
int32_t nameSpaceID;
nsCOMPtr<nsIAtom> prefix, localName;
nsContentUtils::SplitExpatName(aName, getter_AddRefs(prefix),
getter_AddRefs(localName), &nameSpaceID);
if (nameSpaceID == kNameSpaceID_XBL) {
if (mState == eXBL_Error) {
// Check whether we've opened this tag before; we may not have if
// it was a real XBL tag before the error occurred.
if (!GetCurrentContent()->NodeInfo()->Equals(localName,
nameSpaceID)) {
// OK, this tag was never opened as far as the XML sink is
// concerned. Just drop the HandleEndElement
return NS_OK;
}
}
else if (mState == eXBL_InHandlers) {
if (localName == nsGkAtoms::handlers) {
mState = eXBL_InBinding;
mHandler = nullptr;
}
else if (localName == nsGkAtoms::handler)
mSecondaryState = eXBL_None;
return NS_OK;
}
else if (mState == eXBL_InResources) {
if (localName == nsGkAtoms::resources)
mState = eXBL_InBinding;
return NS_OK;
}
else if (mState == eXBL_InImplementation) {
if (localName == nsGkAtoms::implementation)
mState = eXBL_InBinding;
else if (localName == nsGkAtoms::property) {
mSecondaryState = eXBL_None;
mProperty = nullptr;
}
else if (localName == nsGkAtoms::method) {
mSecondaryState = eXBL_None;
mMethod = nullptr;
}
else if (localName == nsGkAtoms::field) {
mSecondaryState = eXBL_None;
mField = nullptr;
}
else if (localName == nsGkAtoms::constructor ||
localName == nsGkAtoms::destructor)
mSecondaryState = eXBL_None;
else if (localName == nsGkAtoms::getter ||
localName == nsGkAtoms::setter)
mSecondaryState = eXBL_InProperty;
else if (localName == nsGkAtoms::parameter ||
localName == nsGkAtoms::body)
mSecondaryState = eXBL_InMethod;
return NS_OK;
}
else if (mState == eXBL_InBindings &&
localName == nsGkAtoms::bindings) {
mState = eXBL_InDocument;
}
nsresult rv = nsXMLContentSink::HandleEndElement(aName);
if (NS_FAILED(rv))
return rv;
if (mState == eXBL_InBinding && localName == nsGkAtoms::binding) {
mState = eXBL_InBindings;
if (mBinding) { // See comment in HandleStartElement()
mBinding->Initialize();
mBinding = nullptr; // Clear our current binding ref.
}
}
return NS_OK;
}
}
return nsXMLContentSink::HandleEndElement(aName);
}
NS_IMETHODIMP
nsXBLContentSink::HandleCDataSection(const char16_t *aData,
uint32_t aLength)
{
if (mState == eXBL_InHandlers || mState == eXBL_InImplementation)
return AddText(aData, aLength);
return nsXMLContentSink::HandleCDataSection(aData, aLength);
}
#define ENSURE_XBL_STATE(_cond) \
PR_BEGIN_MACRO \
if (!(_cond)) { ReportUnexpectedElement(aTagName, aLineNumber); return true; } \
PR_END_MACRO
bool
nsXBLContentSink::OnOpenContainer(const char16_t **aAtts,
uint32_t aAttsCount,
int32_t aNameSpaceID,
nsIAtom* aTagName,
uint32_t aLineNumber)
{
if (mState == eXBL_Error) {
return true;
}
if (aNameSpaceID != kNameSpaceID_XBL) {
// Construct non-XBL nodes
return true;
}
bool ret = true;
if (aTagName == nsGkAtoms::bindings) {
ENSURE_XBL_STATE(mState == eXBL_InDocument);
NS_ASSERTION(mDocument, "Must have a document!");
nsRefPtr<nsXBLDocumentInfo> info = new nsXBLDocumentInfo(mDocument);
// We keep a weak ref. We're creating a cycle between doc/binding manager/doc info.
mDocInfo = info;
if (!mDocInfo) {
mState = eXBL_Error;
return true;
}
mDocument->BindingManager()->PutXBLDocumentInfo(mDocInfo);
nsIURI *uri = mDocument->GetDocumentURI();
bool isChrome = false;
bool isRes = false;
uri->SchemeIs("chrome", &isChrome);
uri->SchemeIs("resource", &isRes);
mIsChromeOrResource = isChrome || isRes;
mState = eXBL_InBindings;
}
else if (aTagName == nsGkAtoms::binding) {
ENSURE_XBL_STATE(mState == eXBL_InBindings);
mState = eXBL_InBinding;
}
else if (aTagName == nsGkAtoms::handlers) {
ENSURE_XBL_STATE(mState == eXBL_InBinding && mBinding);
mState = eXBL_InHandlers;
ret = false;
}
else if (aTagName == nsGkAtoms::handler) {
ENSURE_XBL_STATE(mState == eXBL_InHandlers);
mSecondaryState = eXBL_InHandler;
ConstructHandler(aAtts, aLineNumber);
ret = false;
}
else if (aTagName == nsGkAtoms::resources) {
ENSURE_XBL_STATE(mState == eXBL_InBinding && mBinding);
mState = eXBL_InResources;
// Note that this mState will cause us to return false, so no need
// to set ret to false.
}
else if (aTagName == nsGkAtoms::stylesheet || aTagName == nsGkAtoms::image) {
ENSURE_XBL_STATE(mState == eXBL_InResources);
NS_ASSERTION(mBinding, "Must have binding here");
ConstructResource(aAtts, aTagName);
}
else if (aTagName == nsGkAtoms::implementation) {
ENSURE_XBL_STATE(mState == eXBL_InBinding && mBinding);
mState = eXBL_InImplementation;
ConstructImplementation(aAtts);
// Note that this mState will cause us to return false, so no need
// to set ret to false.
}
else if (aTagName == nsGkAtoms::constructor) {
ENSURE_XBL_STATE(mState == eXBL_InImplementation &&
mSecondaryState == eXBL_None);
NS_ASSERTION(mBinding, "Must have binding here");
mSecondaryState = eXBL_InConstructor;
nsAutoString name;
if (!mCurrentBindingID.IsEmpty()) {
name.Assign(mCurrentBindingID);
name.AppendLiteral("_XBL_Constructor");
} else {
name.AppendLiteral("XBL_Constructor");
}
nsXBLProtoImplAnonymousMethod* newMethod =
new nsXBLProtoImplAnonymousMethod(name.get());
newMethod->SetLineNumber(aLineNumber);
mBinding->SetConstructor(newMethod);
AddMember(newMethod);
}
else if (aTagName == nsGkAtoms::destructor) {
ENSURE_XBL_STATE(mState == eXBL_InImplementation &&
mSecondaryState == eXBL_None);
NS_ASSERTION(mBinding, "Must have binding here");
mSecondaryState = eXBL_InDestructor;
nsAutoString name;
if (!mCurrentBindingID.IsEmpty()) {
name.Assign(mCurrentBindingID);
name.AppendLiteral("_XBL_Destructor");
} else {
name.AppendLiteral("XBL_Destructor");
}
nsXBLProtoImplAnonymousMethod* newMethod =
new nsXBLProtoImplAnonymousMethod(name.get());
newMethod->SetLineNumber(aLineNumber);
mBinding->SetDestructor(newMethod);
AddMember(newMethod);
}
else if (aTagName == nsGkAtoms::field) {
ENSURE_XBL_STATE(mState == eXBL_InImplementation &&
mSecondaryState == eXBL_None);
NS_ASSERTION(mBinding, "Must have binding here");
mSecondaryState = eXBL_InField;
ConstructField(aAtts, aLineNumber);
}
else if (aTagName == nsGkAtoms::property) {
ENSURE_XBL_STATE(mState == eXBL_InImplementation &&
mSecondaryState == eXBL_None);
NS_ASSERTION(mBinding, "Must have binding here");
mSecondaryState = eXBL_InProperty;
ConstructProperty(aAtts, aLineNumber);
}
else if (aTagName == nsGkAtoms::getter) {
ENSURE_XBL_STATE(mSecondaryState == eXBL_InProperty && mProperty);
NS_ASSERTION(mState == eXBL_InImplementation, "Unexpected state");
mProperty->SetGetterLineNumber(aLineNumber);
mSecondaryState = eXBL_InGetter;
}
else if (aTagName == nsGkAtoms::setter) {
ENSURE_XBL_STATE(mSecondaryState == eXBL_InProperty && mProperty);
NS_ASSERTION(mState == eXBL_InImplementation, "Unexpected state");
mProperty->SetSetterLineNumber(aLineNumber);
mSecondaryState = eXBL_InSetter;
}
else if (aTagName == nsGkAtoms::method) {
ENSURE_XBL_STATE(mState == eXBL_InImplementation &&
mSecondaryState == eXBL_None);
NS_ASSERTION(mBinding, "Must have binding here");
mSecondaryState = eXBL_InMethod;
ConstructMethod(aAtts);
}
else if (aTagName == nsGkAtoms::parameter) {
ENSURE_XBL_STATE(mSecondaryState == eXBL_InMethod && mMethod);
NS_ASSERTION(mState == eXBL_InImplementation, "Unexpected state");
ConstructParameter(aAtts);
}
else if (aTagName == nsGkAtoms::body) {
ENSURE_XBL_STATE(mSecondaryState == eXBL_InMethod && mMethod);
NS_ASSERTION(mState == eXBL_InImplementation, "Unexpected state");
// stash away the line number
mMethod->SetLineNumber(aLineNumber);
mSecondaryState = eXBL_InBody;
}
return ret && mState != eXBL_InResources && mState != eXBL_InImplementation;
}
#undef ENSURE_XBL_STATE
nsresult
nsXBLContentSink::ConstructBinding(uint32_t aLineNumber)
{
nsCOMPtr<nsIContent> binding = GetCurrentContent();
binding->GetAttr(kNameSpaceID_None, nsGkAtoms::id, mCurrentBindingID);
NS_ConvertUTF16toUTF8 cid(mCurrentBindingID);
nsresult rv = NS_OK;
// 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", nullptr, 0,
mDocumentURI,
EmptyString(),
aLineNumber);
}
return rv;
}
static bool
FindValue(const char16_t **aAtts, nsIAtom *aAtom, const char16_t **aResult)
{
nsCOMPtr<nsIAtom> 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;
nsCOMPtr<nsIAtom> 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", nullptr, 0,
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::ConstructResource(const char16_t **aAtts,
nsIAtom* aResourceType)
{
if (!mBinding)
return;
const char16_t* src = nullptr;
if (FindValue(aAtts, nsGkAtoms::src, &src)) {
mBinding->AddResource(aResourceType, nsDependentString(src));
}
}
void
nsXBLContentSink::ConstructImplementation(const char16_t **aAtts)
{
mImplementation = nullptr;
mImplMember = nullptr;
mImplField = nullptr;
if (!mBinding)
return;
const char16_t* name = nullptr;
nsCOMPtr<nsIAtom> 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;
nsCOMPtr<nsIAtom> 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;
nsCOMPtr<nsIAtom> 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,
nsIContent** aResult, bool* aAppendContent,
FromParser aFromParser)
{
#ifdef MOZ_XUL
if (!aNodeInfo->NamespaceEquals(kNameSpaceID_XUL)) {
#endif
return nsXMLContentSink::CreateElement(aAtts, aAttsCount, aNodeInfo,
aLineNumber, aResult,
aAppendContent, aFromParser);
#ifdef MOZ_XUL
}
// Note that this needs to match the code in nsXBLPrototypeBinding::ReadContentNode.
*aAppendContent = true;
nsRefPtr<nsXULPrototypeElement> prototype = new nsXULPrototypeElement();
prototype->mNodeInfo = aNodeInfo;
AddAttributesToXULPrototype(aAtts, aAttsCount, prototype);
Element* result;
nsresult rv = nsXULElement::Create(prototype, mDocument, false, false, &result);
*aResult = result;
return rv;
#endif
}
nsresult
nsXBLContentSink::AddAttributes(const char16_t** aAtts,
nsIContent* aContent)
{
if (aContent->IsXULElement())
return NS_OK; // Nothing to do, since the proto already has the attrs.
return nsXMLContentSink::AddAttributes(aAtts, aContent);
}
#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
nsCOMPtr<nsIAtom> 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 {
nsRefPtr<NodeInfo> ni;
ni = mNodeInfoManager->GetNodeInfo(localName, prefix, nameSpaceID,
nsIDOMNode::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
