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/* -*- Mode: C++; tab-width: 4; 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/. */
#ifndef TRANSFRMX_TXMOZILLAXSLTPROCESSOR_H
#define TRANSFRMX_TXMOZILLAXSLTPROCESSOR_H
#include "nsStubMutationObserver.h"
#include "nsIDocumentTransformer.h"
#include "txExpandedNameMap.h"
#include "txNamespaceMap.h"
#include "nsCycleCollectionParticipant.h"
#include "nsWrapperCache.h"
#include "mozilla/Attributes.h"
#include "mozilla/dom/BindingDeclarations.h"
#include "mozilla/dom/XSLTProcessorBinding.h"
class nsINode;
class nsIURI;
class nsIVariant;
class txStylesheet;
class txResultRecycler;
class txIGlobalParameter;
namespace mozilla {
class ErrorResult;
namespace dom {
class DocGroup;
class Document;
class DocumentFragment;
class GlobalObject;
enum class ReferrerPolicy : uint8_t;
} // namespace dom
} // namespace mozilla
/**
* txMozillaXSLTProcessor is a front-end to the XSLT Processor.
*/
class txMozillaXSLTProcessor final : public nsIDocumentTransformer,
public nsStubMutationObserver,
public nsWrapperCache {
public:
typedef mozilla::dom::
UnrestrictedDoubleOrBooleanOrStringOrNodeOrNodeSequenceOrXPathResult
XSLTParameterValue;
typedef mozilla::dom::
OwningUnrestrictedDoubleOrBooleanOrStringOrNodeOrNodeSequenceOrXPathResult
OwningXSLTParameterValue;
/**
* Creates a new txMozillaXSLTProcessor
*/
txMozillaXSLTProcessor();
// nsISupports interface
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS_AMBIGUOUS(txMozillaXSLTProcessor,
nsIDocumentTransformer)
// nsIDocumentTransformer interface
NS_IMETHOD SetTransformObserver(nsITransformObserver* aObserver) override;
NS_IMETHOD LoadStyleSheet(nsIURI* aUri,
mozilla::dom::Document* aLoaderDocument) override;
NS_IMETHOD SetSourceContentModel(nsINode* aSource) override;
NS_IMETHOD CancelLoads() override { return NS_OK; }
NS_IMETHOD AddXSLTParamNamespace(const nsString& aPrefix,
const nsString& aNamespace) override;
NS_IMETHOD AddXSLTParam(const nsString& aName, const nsString& aNamespace,
const nsString& aSelect, const nsString& aValue,
nsINode* aContext) override;
// nsIMutationObserver interface
NS_DECL_NSIMUTATIONOBSERVER_CHARACTERDATACHANGED
NS_DECL_NSIMUTATIONOBSERVER_ATTRIBUTECHANGED
NS_DECL_NSIMUTATIONOBSERVER_CONTENTAPPENDED
NS_DECL_NSIMUTATIONOBSERVER_CONTENTINSERTED
NS_DECL_NSIMUTATIONOBSERVER_CONTENTREMOVED
NS_DECL_NSIMUTATIONOBSERVER_NODEWILLBEDESTROYED
// nsWrapperCache
virtual JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
// WebIDL
nsISupports* GetParentObject() const { return mOwner; }
mozilla::dom::DocGroup* GetDocGroup() const;
static already_AddRefed<txMozillaXSLTProcessor> Constructor(
const mozilla::dom::GlobalObject& aGlobal);
void ImportStylesheet(nsINode& stylesheet, mozilla::ErrorResult& aRv);
already_AddRefed<mozilla::dom::DocumentFragment> TransformToFragment(
nsINode& source, mozilla::dom::Document& docVal,
mozilla::ErrorResult& aRv);
already_AddRefed<mozilla::dom::Document> TransformToDocument(
nsINode& source, mozilla::ErrorResult& aRv);
void SetParameter(const nsAString& aNamespaceURI, const nsAString& aLocalName,
const XSLTParameterValue& aValue,
mozilla::ErrorResult& aError);
void GetParameter(const nsAString& aNamespaceURI, const nsAString& aLocalName,
mozilla::dom::Nullable<OwningXSLTParameterValue>& aValue,
mozilla::ErrorResult& aRv);
void RemoveParameter(const nsAString& aNamespaceURI,
const nsAString& aLocalName, mozilla::ErrorResult& aRv);
void ClearParameters();
void Reset();
uint32_t Flags(mozilla::dom::SystemCallerGuarantee);
void SetFlags(uint32_t aFlags, mozilla::dom::SystemCallerGuarantee);
nsresult setStylesheet(txStylesheet* aStylesheet);
void reportError(nsresult aResult, const char16_t* aErrorText,
const char16_t* aSourceText);
nsINode* GetSourceContentModel() { return mSource; }
nsresult TransformToDoc(mozilla::dom::Document** aResult,
bool aCreateDataDocument);
bool IsLoadDisabled() {
return (mFlags & mozilla::dom::XSLTProcessor_Binding::DISABLE_ALL_LOADS) !=
0;
}
static nsresult Startup();
static void Shutdown();
private:
explicit txMozillaXSLTProcessor(nsISupports* aOwner);
/**
* Default destructor for txMozillaXSLTProcessor
*/
~txMozillaXSLTProcessor();
nsresult DoTransform();
void notifyError();
nsresult ensureStylesheet();
nsCOMPtr<nsISupports> mOwner;
RefPtr<txStylesheet> mStylesheet;
mozilla::dom::Document* mStylesheetDocument; // weak
nsCOMPtr<nsIContent> mEmbeddedStylesheetRoot;
nsCOMPtr<nsINode> mSource;
nsresult mTransformResult;
nsresult mCompileResult;
nsString mErrorText, mSourceText;
nsCOMPtr<nsITransformObserver> mObserver;
txOwningExpandedNameMap<txIGlobalParameter> mVariables;
txNamespaceMap mParamNamespaceMap;
RefPtr<txResultRecycler> mRecycler;
uint32_t mFlags;
};
extern nsresult TX_LoadSheet(nsIURI* aUri, txMozillaXSLTProcessor* aProcessor,
mozilla::dom::Document* aLoaderDocument,
mozilla::dom::ReferrerPolicy aReferrerPolicy);
extern nsresult TX_CompileStylesheet(nsINode* aNode,
txMozillaXSLTProcessor* aProcessor,
txStylesheet** aStylesheet);
#endif
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