diff options
author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
---|---|---|
committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /dom/xul/templates/nsXULTemplateQueryProcessorXML.h | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
download | UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip |
Add m-esr52 at 52.6.0
Diffstat (limited to 'dom/xul/templates/nsXULTemplateQueryProcessorXML.h')
-rw-r--r-- | dom/xul/templates/nsXULTemplateQueryProcessorXML.h | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/dom/xul/templates/nsXULTemplateQueryProcessorXML.h b/dom/xul/templates/nsXULTemplateQueryProcessorXML.h new file mode 100644 index 000000000..dec508415 --- /dev/null +++ b/dom/xul/templates/nsXULTemplateQueryProcessorXML.h @@ -0,0 +1,170 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* 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 nsXULTemplateQueryProcessorXML_h__ +#define nsXULTemplateQueryProcessorXML_h__ + +#include "nsIXULTemplateBuilder.h" +#include "nsIXULTemplateQueryProcessor.h" + +#include "nsAutoPtr.h" +#include "nsISimpleEnumerator.h" +#include "nsString.h" +#include "nsCOMArray.h" +#include "nsRefPtrHashtable.h" +#include "nsIDOMEventListener.h" +#include "nsIDOMXPathEvaluator.h" +#include "nsXMLBinding.h" +#include "nsCycleCollectionParticipant.h" +#include "nsIXMLHttpRequest.h" +#include "mozilla/Attributes.h" +#include "mozilla/dom/Element.h" +#include "mozilla/dom/XPathEvaluator.h" +#include "mozilla/dom/XPathResult.h" + +class nsXULTemplateQueryProcessorXML; + +#define NS_IXMLQUERY_IID \ + {0x0358d692, 0xccce, 0x4a97, \ + { 0xb2, 0x51, 0xba, 0x8f, 0x17, 0x0f, 0x3b, 0x6f }} + +class nsXMLQuery final : public nsISupports +{ + public: + NS_DECLARE_STATIC_IID_ACCESSOR(NS_IXMLQUERY_IID) + + NS_DECL_ISUPPORTS + + // return a weak reference to the processor the query was created from + nsXULTemplateQueryProcessorXML* Processor() { return mProcessor; } + + // return a weak reference t the member variable for the query + nsIAtom* GetMemberVariable() { return mMemberVariable; } + + // return a weak reference to the expression used to generate results + mozilla::dom::XPathExpression* GetResultsExpression() + { return mResultsExpr; } + + // return a weak reference to the additional required bindings + nsXMLBindingSet* GetBindingSet() { return mRequiredBindings; } + + // add a required binding for the query + void + AddBinding(nsIAtom* aVar, nsAutoPtr<mozilla::dom::XPathExpression>&& aExpr) + { + if (!mRequiredBindings) { + mRequiredBindings = new nsXMLBindingSet(); + } + + mRequiredBindings->AddBinding(aVar, mozilla::Move(aExpr)); + } + + nsXMLQuery(nsXULTemplateQueryProcessorXML* aProcessor, + nsIAtom* aMemberVariable, + nsAutoPtr<mozilla::dom::XPathExpression>&& aResultsExpr) + : mProcessor(aProcessor), + mMemberVariable(aMemberVariable), + mResultsExpr(aResultsExpr) + { } + + protected: + ~nsXMLQuery() {} + + nsXULTemplateQueryProcessorXML* mProcessor; + + nsCOMPtr<nsIAtom> mMemberVariable; + + nsAutoPtr<mozilla::dom::XPathExpression> mResultsExpr; + + RefPtr<nsXMLBindingSet> mRequiredBindings; +}; + +NS_DEFINE_STATIC_IID_ACCESSOR(nsXMLQuery, NS_IXMLQUERY_IID) + +class nsXULTemplateResultSetXML final : public nsISimpleEnumerator +{ +private: + + // reference back to the query + nsCOMPtr<nsXMLQuery> mQuery; + + // the binding set created from <assign> nodes + RefPtr<nsXMLBindingSet> mBindingSet; + + // set of results contained in this enumerator + RefPtr<mozilla::dom::XPathResult> mResults; + + // current position within the list of results + uint32_t mPosition; + + ~nsXULTemplateResultSetXML() {} + +public: + + // nsISupports interface + NS_DECL_ISUPPORTS + + // nsISimpleEnumerator interface + NS_DECL_NSISIMPLEENUMERATOR + + nsXULTemplateResultSetXML(nsXMLQuery* aQuery, + already_AddRefed<mozilla::dom::XPathResult> aResults, + nsXMLBindingSet* aBindingSet) + : mQuery(aQuery), + mBindingSet(aBindingSet), + mResults(aResults), + mPosition(0) + {} +}; + +class nsXULTemplateQueryProcessorXML final : public nsIXULTemplateQueryProcessor, + public nsIDOMEventListener +{ +public: + + nsXULTemplateQueryProcessorXML() + : mGenerationStarted(false) + {} + + // nsISupports interface + NS_DECL_CYCLE_COLLECTING_ISUPPORTS + NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(nsXULTemplateQueryProcessorXML, + nsIXULTemplateQueryProcessor) + + // nsIXULTemplateQueryProcessor interface + NS_DECL_NSIXULTEMPLATEQUERYPROCESSOR + + // nsIDOMEventListener interface + NS_DECL_NSIDOMEVENTLISTENER + + nsXMLBindingSet* + GetOptionalBindingsForRule(nsIDOMNode* aRuleNode); + + // create an XPath expression from aExpr, using aNode for + // resolving namespaces + mozilla::dom::XPathExpression* + CreateExpression(const nsAString& aExpr, + nsINode* aNode, + mozilla::ErrorResult& aRv); + +private: + + ~nsXULTemplateQueryProcessorXML() {} + + bool mGenerationStarted; + + nsRefPtrHashtable<nsISupportsHashKey, nsXMLBindingSet> mRuleToBindingsMap; + + nsCOMPtr<mozilla::dom::Element> mRoot; + + RefPtr<mozilla::dom::XPathEvaluator> mEvaluator; + + nsCOMPtr<nsIXULTemplateBuilder> mTemplateBuilder; + + nsCOMPtr<nsIXMLHttpRequest> mRequest; +}; + + +#endif // nsXULTemplateQueryProcessorXML_h__ |