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1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ |
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2 /* This Source Code Form is subject to the terms of the Mozilla Public |
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3 * License, v. 2.0. If a copy of the MPL was not distributed with this |
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4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
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5 |
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6 #ifndef nsInstantiationNode_h__ |
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7 #define nsInstantiationNode_h__ |
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8 |
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9 #include "mozilla/Attributes.h" |
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10 #include "nsRuleNetwork.h" |
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11 #include "nsRDFQuery.h" |
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12 |
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13 class nsXULTemplateQueryProcessorRDF; |
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14 |
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15 /** |
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16 * A leaf-level node in the rule network. If any instantiations |
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17 * propagate to this node, then we know we've matched a rule. |
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18 */ |
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19 class nsInstantiationNode : public ReteNode |
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20 { |
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21 public: |
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22 nsInstantiationNode(nsXULTemplateQueryProcessorRDF* aProcessor, |
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23 nsRDFQuery* aRule); |
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24 |
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25 ~nsInstantiationNode(); |
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26 |
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27 // "downward" propagations |
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28 virtual nsresult Propagate(InstantiationSet& aInstantiations, |
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29 bool aIsUpdate, bool& aMatched) MOZ_OVERRIDE; |
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30 |
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31 protected: |
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32 |
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33 nsXULTemplateQueryProcessorRDF* mProcessor; |
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34 nsRDFQuery* mQuery; |
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35 }; |
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36 |
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37 #endif // nsInstantiationNode_h__ |