dom/xml/ProcessingInstruction.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_dom_ProcessingInstruction_h
   8 #define mozilla_dom_ProcessingInstruction_h
   9
  10 #include "mozilla/Attributes.h"
  11 #include "mozilla/dom/CharacterData.h"
  12 #include "nsAString.h"
  13
  14 class nsIPrincipal;
  15 class nsIURI;
  16
  17 namespace mozilla {
  18
  19 class StyleSheet;
  20
  21 namespace dom {
  22
  23 class ProcessingInstruction : public CharacterData {
  24  public:
  25   ProcessingInstruction(already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,
  26                         const nsAString& aData);
  27
  28   virtual already_AddRefed<CharacterData> CloneDataNode(
  29       dom::NodeInfo* aNodeInfo, bool aCloneText) const override;
  30
  31 #ifdef MOZ_DOM_LIST
  32   virtual void List(FILE* out, int32_t aIndent) const override;
  33   virtual void DumpContent(FILE* out, int32_t aIndent,
  34                            bool aDumpAll) const override;
  35 #endif
  36
  37   // WebIDL API
  38   void GetTarget(nsAString& aTarget) { aTarget = NodeName(); }
  39   // This is the WebIDL API for LinkStyle, even though only
  40   // XMLStylesheetProcessingInstruction actually implements LinkStyle.
  41   StyleSheet* GetSheetForBindings() const;
  42
  43   NS_IMPL_FROMNODE_HELPER(ProcessingInstruction, IsProcessingInstruction())
  44
  45  protected:
  46   virtual ~ProcessingInstruction();
  47
  48   /**
  49    * This will parse the content of the PI, to extract the value of the pseudo
  50    * attribute with the name specified in aName. See
  51    * http://www.w3.org/TR/xml-stylesheet/#NT-StyleSheetPI for the specification
  52    * which is used to parse the content of the PI.
  53    *
  54    * @param aName the name of the attribute to get the value for
  55    * @param aValue [out] the value for the attribute with name specified in
  56    *                     aAttribute. Empty if the attribute isn't present.
  57    */
  58   bool GetAttrValue(nsAtom* aName, nsAString& aValue);
  59
  60   JSObject* WrapNode(JSContext*, JS::Handle<JSObject*> aGivenProto) override;
  61 };
  62
  63 }  // namespace dom
  64 }  // namespace mozilla
  65
  66 /**
  67  * aNodeInfoManager must not be null.
  68  */
  69 already_AddRefed<mozilla::dom::ProcessingInstruction>
  70 NS_NewXMLProcessingInstruction(nsNodeInfoManager* aNodeInfoManager,
  71                                const nsAString& aTarget,
  72                                const nsAString& aData);
  73
  74 #endif  // mozilla_dom_ProcessingInstruction_h