content/xul/templates/src/nsXULTemplateQueryProcessorXML.h@6474c204b198 (annotated)
content/xul/templates/src/nsXULTemplateQueryProcessorXML.h
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | #ifndef nsXULTemplateQueryProcessorXML_h__ |
| michael@0 | 7 | #define nsXULTemplateQueryProcessorXML_h__ |
| michael@0 | 8 | |
| michael@0 | 9 | #include "nsIXULTemplateBuilder.h" |
| michael@0 | 10 | #include "nsIXULTemplateQueryProcessor.h" |
| michael@0 | 11 | |
| michael@0 | 12 | #include "nsISimpleEnumerator.h" |
| michael@0 | 13 | #include "nsString.h" |
| michael@0 | 14 | #include "nsCOMArray.h" |
| michael@0 | 15 | #include "nsRefPtrHashtable.h" |
| michael@0 | 16 | #include "nsIDOMElement.h" |
| michael@0 | 17 | #include "nsIDOMEventListener.h" |
| michael@0 | 18 | #include "nsIDOMXPathExpression.h" |
| michael@0 | 19 | #include "nsIDOMXPathEvaluator.h" |
| michael@0 | 20 | #include "nsIDOMXPathResult.h" |
| michael@0 | 21 | #include "nsXMLBinding.h" |
| michael@0 | 22 | #include "nsCycleCollectionParticipant.h" |
| michael@0 | 23 | #include "nsIXMLHttpRequest.h" |
| michael@0 | 24 | #include "mozilla/Attributes.h" |
| michael@0 | 25 | |
| michael@0 | 26 | class nsXULTemplateQueryProcessorXML; |
| michael@0 | 27 | |
| michael@0 | 28 | #define NS_IXMLQUERY_IID \ |
| michael@0 | 29 | {0x0358d692, 0xccce, 0x4a97, \ |
| michael@0 | 30 | { 0xb2, 0x51, 0xba, 0x8f, 0x17, 0x0f, 0x3b, 0x6f }} |
| michael@0 | 31 | |
| michael@0 | 32 | class nsXMLQuery MOZ_FINAL : public nsISupports |
| michael@0 | 33 | { |
| michael@0 | 34 | public: |
| michael@0 | 35 | NS_DECLARE_STATIC_IID_ACCESSOR(NS_IXMLQUERY_IID) |
| michael@0 | 36 | |
| michael@0 | 37 | NS_DECL_ISUPPORTS |
| michael@0 | 38 | |
| michael@0 | 39 | // return a weak reference to the processor the query was created from |
| michael@0 | 40 | nsXULTemplateQueryProcessorXML* Processor() { return mProcessor; } |
| michael@0 | 41 | |
| michael@0 | 42 | // return a weak reference t the member variable for the query |
| michael@0 | 43 | nsIAtom* GetMemberVariable() { return mMemberVariable; } |
| michael@0 | 44 | |
| michael@0 | 45 | // return a weak reference to the expression used to generate results |
| michael@0 | 46 | nsIDOMXPathExpression* GetResultsExpression() { return mResultsExpr; } |
| michael@0 | 47 | |
| michael@0 | 48 | // return a weak reference to the additional required bindings |
| michael@0 | 49 | nsXMLBindingSet* GetBindingSet() { return mRequiredBindings; } |
| michael@0 | 50 | |
| michael@0 | 51 | // add a required binding for the query |
| michael@0 | 52 | nsresult |
| michael@0 | 53 | AddBinding(nsIAtom* aVar, nsIDOMXPathExpression* aExpr) |
| michael@0 | 54 | { |
| michael@0 | 55 | if (!mRequiredBindings) { |
| michael@0 | 56 | mRequiredBindings = new nsXMLBindingSet(); |
| michael@0 | 57 | NS_ENSURE_TRUE(mRequiredBindings, NS_ERROR_OUT_OF_MEMORY); |
| michael@0 | 58 | } |
| michael@0 | 59 | |
| michael@0 | 60 | return mRequiredBindings->AddBinding(aVar, aExpr); |
| michael@0 | 61 | } |
| michael@0 | 62 | |
| michael@0 | 63 | nsXMLQuery(nsXULTemplateQueryProcessorXML* aProcessor, |
| michael@0 | 64 | nsIAtom* aMemberVariable, |
| michael@0 | 65 | nsIDOMXPathExpression* aResultsExpr) |
| michael@0 | 66 | : mProcessor(aProcessor), |
| michael@0 | 67 | mMemberVariable(aMemberVariable), |
| michael@0 | 68 | mResultsExpr(aResultsExpr) |
| michael@0 | 69 | { } |
| michael@0 | 70 | |
| michael@0 | 71 | protected: |
| michael@0 | 72 | nsXULTemplateQueryProcessorXML* mProcessor; |
| michael@0 | 73 | |
| michael@0 | 74 | nsCOMPtr<nsIAtom> mMemberVariable; |
| michael@0 | 75 | |
| michael@0 | 76 | nsCOMPtr<nsIDOMXPathExpression> mResultsExpr; |
| michael@0 | 77 | |
| michael@0 | 78 | nsRefPtr<nsXMLBindingSet> mRequiredBindings; |
| michael@0 | 79 | }; |
| michael@0 | 80 | |
| michael@0 | 81 | NS_DEFINE_STATIC_IID_ACCESSOR(nsXMLQuery, NS_IXMLQUERY_IID) |
| michael@0 | 82 | |
| michael@0 | 83 | class nsXULTemplateResultSetXML MOZ_FINAL : public nsISimpleEnumerator |
| michael@0 | 84 | { |
| michael@0 | 85 | private: |
| michael@0 | 86 | |
| michael@0 | 87 | // reference back to the query |
| michael@0 | 88 | nsCOMPtr<nsXMLQuery> mQuery; |
| michael@0 | 89 | |
| michael@0 | 90 | // the binding set created from <assign> nodes |
| michael@0 | 91 | nsRefPtr<nsXMLBindingSet> mBindingSet; |
| michael@0 | 92 | |
| michael@0 | 93 | // set of results contained in this enumerator |
| michael@0 | 94 | nsCOMPtr<nsIDOMXPathResult> mResults; |
| michael@0 | 95 | |
| michael@0 | 96 | // current position within the list of results |
| michael@0 | 97 | uint32_t mPosition; |
| michael@0 | 98 | |
| michael@0 | 99 | public: |
| michael@0 | 100 | |
| michael@0 | 101 | // nsISupports interface |
| michael@0 | 102 | NS_DECL_ISUPPORTS |
| michael@0 | 103 | |
| michael@0 | 104 | // nsISimpleEnumerator interface |
| michael@0 | 105 | NS_DECL_NSISIMPLEENUMERATOR |
| michael@0 | 106 | |
| michael@0 | 107 | nsXULTemplateResultSetXML(nsXMLQuery* aQuery, |
| michael@0 | 108 | nsIDOMXPathResult* aResults, |
| michael@0 | 109 | nsXMLBindingSet* aBindingSet) |
| michael@0 | 110 | : mQuery(aQuery), |
| michael@0 | 111 | mBindingSet(aBindingSet), |
| michael@0 | 112 | mResults(aResults), |
| michael@0 | 113 | mPosition(0) |
| michael@0 | 114 | {} |
| michael@0 | 115 | }; |
| michael@0 | 116 | |
| michael@0 | 117 | class nsXULTemplateQueryProcessorXML MOZ_FINAL : public nsIXULTemplateQueryProcessor, |
| michael@0 | 118 | public nsIDOMEventListener |
| michael@0 | 119 | { |
| michael@0 | 120 | public: |
| michael@0 | 121 | |
| michael@0 | 122 | nsXULTemplateQueryProcessorXML() |
| michael@0 | 123 | : mGenerationStarted(false) |
| michael@0 | 124 | {} |
| michael@0 | 125 | |
| michael@0 | 126 | // nsISupports interface |
| michael@0 | 127 | NS_DECL_CYCLE_COLLECTING_ISUPPORTS |
| michael@0 | 128 | NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(nsXULTemplateQueryProcessorXML, |
| michael@0 | 129 | nsIXULTemplateQueryProcessor) |
| michael@0 | 130 | |
| michael@0 | 131 | // nsIXULTemplateQueryProcessor interface |
| michael@0 | 132 | NS_DECL_NSIXULTEMPLATEQUERYPROCESSOR |
| michael@0 | 133 | |
| michael@0 | 134 | // nsIDOMEventListener interface |
| michael@0 | 135 | NS_DECL_NSIDOMEVENTLISTENER |
| michael@0 | 136 | |
| michael@0 | 137 | nsXMLBindingSet* |
| michael@0 | 138 | GetOptionalBindingsForRule(nsIDOMNode* aRuleNode); |
| michael@0 | 139 | |
| michael@0 | 140 | // create an XPath expression from aExpr, using aNode for |
| michael@0 | 141 | // resolving namespaces |
| michael@0 | 142 | nsresult |
| michael@0 | 143 | CreateExpression(const nsAString& aExpr, |
| michael@0 | 144 | nsIDOMNode* aNode, |
| michael@0 | 145 | nsIDOMXPathExpression** aCompiledExpr); |
| michael@0 | 146 | |
| michael@0 | 147 | private: |
| michael@0 | 148 | |
| michael@0 | 149 | bool mGenerationStarted; |
| michael@0 | 150 | |
| michael@0 | 151 | nsRefPtrHashtable<nsISupportsHashKey, nsXMLBindingSet> mRuleToBindingsMap; |
| michael@0 | 152 | |
| michael@0 | 153 | nsCOMPtr<nsIDOMElement> mRoot; |
| michael@0 | 154 | |
| michael@0 | 155 | nsCOMPtr<nsIDOMXPathEvaluator> mEvaluator; |
| michael@0 | 156 | |
| michael@0 | 157 | nsCOMPtr<nsIXULTemplateBuilder> mTemplateBuilder; |
| michael@0 | 158 | |
| michael@0 | 159 | nsCOMPtr<nsIXMLHttpRequest> mRequest; |
| michael@0 | 160 | }; |
| michael@0 | 161 | |
| michael@0 | 162 | |
| michael@0 | 163 | #endif // nsXULTemplateQueryProcessorXML_h__ |
