Mozilla/mozilla/layout/base/src/nsGenericDOMDataNode.h
vidur%netscape.com fe0a023b26 Added epilog and prolog to document. Added processing instructions and CDATASections for XML. Completed document Node methods.
git-svn-id: svn://10.0.0.236/trunk@25744 18797224-902f-48f8-a5cc-f745e15eee43
1999-03-31 20:49:25 +00:00

563 lines
29 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
*
* The Original Code is Mozilla Communicator client code.
*
* The Initial Developer of the Original Code is Netscape Communications
* Corporation. Portions created by Netscape are Copyright (C) 1998
* Netscape Communications Corporation. All Rights Reserved.
*/
#ifndef nsGenericDOMDataNode_h___
#define nsGenericDOMDataNode_h___
#include "nsIDOMCharacterData.h"
#include "nsIScriptObjectOwner.h"
#include "nsIDOMEventReceiver.h"
#include "nsIContent.h"
#include "nsTextFragment.h"
#include "nsVoidArray.h"
#include "nsINameSpaceManager.h"
#include "nsITextContent.h"
extern const nsIID kIDOMCharacterDataIID;
extern const nsIID kIDOMNodeIID;
extern const nsIID kIDOMEventReceiverIID;
extern const nsIID kIDOMEventTargetIID;
extern const nsIID kIScriptObjectOwnerIID;
extern const nsIID kISupportsIID;
extern const nsIID kIContentIID;
class nsIDOMAttr;
class nsIDOMEventListener;
class nsIDOMNodeList;
class nsIEventListenerManager;
class nsIFrame;
class nsIStyleContext;
class nsIStyleRule;
class nsISupportsArray;
class nsIDOMText;
struct nsGenericDOMDataNode {
nsGenericDOMDataNode();
~nsGenericDOMDataNode();
void Init(nsIContent* aOuterContentObject);
// Implementation for nsIDOMNode
nsresult GetNodeValue(nsString& aNodeValue);
nsresult SetNodeValue(const nsString& aNodeValue);
nsresult GetParentNode(nsIDOMNode** aParentNode);
nsresult GetAttributes(nsIDOMNamedNodeMap** aAttributes) {
*aAttributes = nsnull;
return NS_OK;
}
nsresult GetPreviousSibling(nsIDOMNode** aPreviousSibling);
nsresult GetNextSibling(nsIDOMNode** aNextSibling);
nsresult GetChildNodes(nsIDOMNodeList** aChildNodes) {
*aChildNodes = nsnull;
return NS_OK;
}
nsresult HasChildNodes(PRBool* aHasChildNodes) {
*aHasChildNodes = PR_FALSE;
return NS_OK;
}
nsresult GetFirstChild(nsIDOMNode** aFirstChild) {
*aFirstChild = nsnull;
return NS_OK;
}
nsresult GetLastChild(nsIDOMNode** aLastChild) {
*aLastChild = nsnull;
return NS_OK;
}
nsresult InsertBefore(nsIDOMNode* aNewChild, nsIDOMNode* aRefChild,
nsIDOMNode** aReturn) {
return NS_ERROR_FAILURE;
}
nsresult ReplaceChild(nsIDOMNode* aNewChild, nsIDOMNode* aOldChild,
nsIDOMNode** aReturn) {
return NS_ERROR_FAILURE;
}
nsresult RemoveChild(nsIDOMNode* aOldChild, nsIDOMNode** aReturn) {
return NS_ERROR_FAILURE;
}
nsresult AppendChild(nsIDOMNode* aNewChild, nsIDOMNode** aReturn) {
return NS_ERROR_FAILURE;
}
nsresult GetOwnerDocument(nsIDOMDocument** aOwnerDocument);
// Implementation for nsIDOMCharacterData
nsresult GetData(nsString& aData);
nsresult SetData(const nsString& aData);
nsresult GetLength(PRUint32* aLength);
nsresult SubstringData(PRUint32 aOffset, PRUint32 aCount, nsString& aReturn);
nsresult AppendData(const nsString& aArg);
nsresult InsertData(PRUint32 aOffset, const nsString& aArg);
nsresult DeleteData(PRUint32 aOffset, PRUint32 aCount);
nsresult ReplaceData(PRUint32 aOffset, PRUint32 aCount, const nsString& aArg);
// nsIDOMEventReceiver interface
nsresult AddEventListenerByIID(nsIDOMEventListener *aListener, const nsIID& aIID);
nsresult RemoveEventListenerByIID(nsIDOMEventListener* aListener,
const nsIID& aIID);
nsresult GetListenerManager(nsIEventListenerManager** aInstancePtrResult);
nsresult GetNewListenerManager(nsIEventListenerManager** aInstancePtrResult);
// nsIDOMEventTarget interface
nsresult AddEventListener(const nsString& aType, nsIDOMEventListener* aListener,
PRBool aPostProcess, PRBool aUseCapture);
nsresult RemoveEventListener(const nsString& aType, nsIDOMEventListener* aListener,
PRBool aPostProcess, PRBool aUseCapture);
// nsIScriptObjectOwner interface
nsresult GetScriptObject(nsIScriptContext* aContext, void** aScriptObject);
nsresult SetScriptObject(void *aScriptObject);
// Implementation for nsIContent
nsresult GetDocument(nsIDocument*& aResult) const;
nsresult SetDocument(nsIDocument* aDocument, PRBool aDeep);
nsresult GetParent(nsIContent*& aResult) const;
nsresult SetParent(nsIContent* aParent);
nsresult IsSynthetic(PRBool& aResult) {
aResult = PR_FALSE;
return NS_OK;
}
nsresult GetNameSpaceID(PRInt32& aID) const {
aID = kNameSpaceID_None;
return NS_OK;
}
nsresult ParseAttributeString(const nsString& aStr,
nsIAtom*& aName,
PRInt32& aNameSpaceID) {
aName = nsnull;
aNameSpaceID = kNameSpaceID_None;
return NS_OK;
}
NS_IMETHOD GetNameSpacePrefixFromId(PRInt32 aNameSpaceID,
nsIAtom*& aPrefix) {
aPrefix = nsnull;
return NS_OK;
}
nsresult SetAttribute(PRInt32 aNameSpaceID, nsIAtom* aAttribute, const nsString& aValue,
PRBool aNotify) {
return NS_OK;
}
nsresult UnsetAttribute(PRInt32 aNameSpaceID, nsIAtom* aAttribute, PRBool aNotify) {
return NS_OK;
}
nsresult GetAttribute(PRInt32 aNameSpaceID, nsIAtom *aAttribute, nsString &aResult) const {
return NS_CONTENT_ATTR_NOT_THERE;
}
nsresult GetAttributeNameAt(PRInt32 aIndex, PRInt32& aNameSpaceID,
nsIAtom*& aName) const {
aName = nsnull;
return NS_ERROR_ILLEGAL_VALUE;
}
nsresult GetAttributeCount(PRInt32& aResult) const {
aResult = 0;
return NS_OK;
}
nsresult List(FILE* out, PRInt32 aIndent) const;
nsresult HandleDOMEvent(nsIPresContext& aPresContext,
nsEvent* aEvent,
nsIDOMEvent** aDOMEvent,
PRUint32 aFlags,
nsEventStatus& aEventStatus);
nsresult RangeAdd(nsIDOMRange& aRange);
nsresult RangeRemove(nsIDOMRange& aRange);
nsresult GetRangeList(nsVoidArray*& aResult) const;
// Implementation for nsIContent
nsresult BeginConvertToXIF(nsXIFConverter& aConverter) const;
nsresult ConvertContentToXIF(nsXIFConverter& aConverter) const;
nsresult FinishConvertToXIF(nsXIFConverter& aConverter) const;
nsresult CanContainChildren(PRBool& aResult) const {
aResult = PR_FALSE;
return NS_OK;
}
nsresult ChildCount(PRInt32& aResult) const {
aResult = 0;
return NS_OK;
}
nsresult ChildAt(PRInt32 aIndex, nsIContent*& aResult) const {
aResult = nsnull;
return NS_OK;
}
nsresult IndexOf(nsIContent* aPossibleChild, PRInt32& aResult) const {
aResult = -1;
return NS_OK;
}
nsresult InsertChildAt(nsIContent* aKid, PRInt32 aIndex, PRBool aNotify) {
return NS_OK;
}
nsresult ReplaceChildAt(nsIContent* aKid, PRInt32 aIndex, PRBool aNotify) {
return NS_OK;
}
nsresult AppendChildTo(nsIContent* aKid, PRBool aNotify) {
return NS_OK;
}
nsresult RemoveChildAt(PRInt32 aIndex, PRBool aNotify) {
return NS_OK;
}
nsresult SplitText(PRUint32 aOffset, nsIDOMText** aReturn);
nsresult GetText(const nsTextFragment*& aFragmentsResult,
PRInt32& aNumFragmentsResult);
nsresult SetText(const PRUnichar* aBuffer,
PRInt32 aLength,
PRBool aNotify);
nsresult SetText(const char* aBuffer,
PRInt32 aLength,
PRBool aNotify);
nsresult IsOnlyWhitespace(PRBool* aResult);
//----------------------------------------
void ToCString(nsString& aBuf, PRInt32 aOffset, PRInt32 aLen) const;
// Up pointer to the real content object that we are
// supporting. Sometimes there is work that we just can't do
// ourselves, so this is needed to ask the real object to do the
// work.
nsIContent* mContent;
nsIDocument* mDocument;
nsIContent* mParent;
void* mScriptObject;
nsIEventListenerManager* mListenerManager;
nsIContent* mCapturer;
nsTextFragment mText;
nsVoidArray *mRangeList;
};
//----------------------------------------------------------------------
/**
* Mostly implement the nsIDOMNode API by forwarding the methods to a
* generic content object (either nsGenericHTMLLeafElement or
* nsGenericHTMLContainerContent)
*
* Note that classes using this macro will need to implement:
* NS_IMETHOD GetNodeType(PRUint16* aNodeType);
* NS_IMETHOD CloneNode(PRBool aDeep, nsIDOMNode** aReturn);
*/
#define NS_IMPL_IDOMNODE_USING_GENERIC_DOM_DATA(_g) \
NS_IMETHOD GetNodeName(nsString& aNodeName); \
NS_IMETHOD GetNodeValue(nsString& aNodeValue) { \
return _g.GetNodeValue(aNodeValue); \
} \
NS_IMETHOD SetNodeValue(const nsString& aNodeValue) { \
return _g.SetNodeValue(aNodeValue); \
} \
NS_IMETHOD GetNodeType(PRUint16* aNodeType); \
NS_IMETHOD GetParentNode(nsIDOMNode** aParentNode) { \
return _g.GetParentNode(aParentNode); \
} \
NS_IMETHOD GetChildNodes(nsIDOMNodeList** aChildNodes) { \
return _g.GetChildNodes(aChildNodes); \
} \
NS_IMETHOD HasChildNodes(PRBool* aHasChildNodes) { \
return _g.HasChildNodes(aHasChildNodes); \
} \
NS_IMETHOD GetFirstChild(nsIDOMNode** aFirstChild) { \
return _g.GetFirstChild(aFirstChild); \
} \
NS_IMETHOD GetLastChild(nsIDOMNode** aLastChild) { \
return _g.GetLastChild(aLastChild); \
} \
NS_IMETHOD GetPreviousSibling(nsIDOMNode** aPreviousSibling) { \
return _g.GetPreviousSibling(aPreviousSibling); \
} \
NS_IMETHOD GetNextSibling(nsIDOMNode** aNextSibling) { \
return _g.GetNextSibling(aNextSibling); \
} \
NS_IMETHOD GetAttributes(nsIDOMNamedNodeMap** aAttributes) { \
return _g.GetAttributes(aAttributes); \
} \
NS_IMETHOD InsertBefore(nsIDOMNode* aNewChild, nsIDOMNode* aRefChild, \
nsIDOMNode** aReturn) { \
return _g.InsertBefore(aNewChild, aRefChild, aReturn); \
} \
NS_IMETHOD AppendChild(nsIDOMNode* aOldChild, nsIDOMNode** aReturn) { \
return _g.AppendChild(aOldChild, aReturn); \
} \
NS_IMETHOD ReplaceChild(nsIDOMNode* aNewChild, nsIDOMNode* aOldChild, \
nsIDOMNode** aReturn) { \
return _g.ReplaceChild(aNewChild, aOldChild, aReturn); \
} \
NS_IMETHOD RemoveChild(nsIDOMNode* aOldChild, nsIDOMNode** aReturn) { \
return _g.RemoveChild(aOldChild, aReturn); \
} \
NS_IMETHOD GetOwnerDocument(nsIDOMDocument** aOwnerDocument) { \
return _g.GetOwnerDocument(aOwnerDocument); \
} \
NS_IMETHOD CloneNode(PRBool aDeep, nsIDOMNode** aReturn);
#define NS_IMPL_IDOMCHARACTERDATA_USING_GENERIC_DOM_DATA(_g) \
NS_IMETHOD GetData(nsString& aData) { \
return _g.GetData(aData); \
} \
NS_IMETHOD SetData(const nsString& aData) { \
return _g.SetData(aData); \
} \
NS_IMETHOD GetLength(PRUint32* aLength) { \
return _g.GetLength(aLength); \
} \
NS_IMETHOD SubstringData(PRUint32 aStart, PRUint32 aEnd, nsString& aReturn) { \
return _g.SubstringData(aStart, aEnd, aReturn); \
} \
NS_IMETHOD AppendData(const nsString& aData) { \
return _g.AppendData(aData); \
} \
NS_IMETHOD InsertData(PRUint32 aOffset, const nsString& aData) { \
return _g.InsertData(aOffset, aData); \
} \
NS_IMETHOD DeleteData(PRUint32 aOffset, PRUint32 aCount) { \
return _g.DeleteData(aOffset, aCount); \
} \
NS_IMETHOD ReplaceData(PRUint32 aOffset, PRUint32 aCount, \
const nsString& aData) { \
return _g.ReplaceData(aOffset, aCount, aData); \
}
/**
* Implement the nsIDOMEventReceiver API by forwarding the methods to a
* generic content object (either nsGenericHTMLLeafElement or
* nsGenericHTMLContainerContent)
*/
#define NS_IMPL_IDOMEVENTRECEIVER_USING_GENERIC_DOM_DATA(_g) \
NS_IMETHOD AddEventListenerByIID(nsIDOMEventListener *aListener, \
const nsIID& aIID) { \
return _g.AddEventListenerByIID(aListener, aIID); \
} \
NS_IMETHOD RemoveEventListenerByIID(nsIDOMEventListener *aListener, \
const nsIID& aIID) { \
return _g.RemoveEventListenerByIID(aListener, aIID); \
} \
NS_IMETHOD GetListenerManager(nsIEventListenerManager** aResult) { \
return _g.GetListenerManager(aResult); \
} \
NS_IMETHOD GetNewListenerManager(nsIEventListenerManager** aResult) { \
return _g.GetNewListenerManager(aResult); \
} \
NS_IMETHOD AddEventListener(const nsString& aType, \
nsIDOMEventListener* aListener, \
PRBool aPostProcess, \
PRBool aUseCapture) { \
return _g.AddEventListener(aType, aListener, aPostProcess, aUseCapture); \
} \
NS_IMETHOD RemoveEventListener(const nsString& aType, \
nsIDOMEventListener* aListener, \
PRBool aPostProcess, \
PRBool aUseCapture) { \
return _g.RemoveEventListener(aType, aListener, aPostProcess, aUseCapture); \
}
/**
* Implement the nsIScriptObjectOwner API by forwarding the methods to a
* generic content object (either nsGenericHTMLLeafElement or
* nsGenericHTMLContainerContent)
*/
#define NS_IMPL_ISCRIPTOBJECTOWNER_USING_GENERIC_DOM_DATA(_g) \
NS_IMETHOD GetScriptObject(nsIScriptContext* aContext, \
void** aScriptObject) { \
return _g.GetScriptObject(aContext, aScriptObject); \
} \
NS_IMETHOD SetScriptObject(void *aScriptObject) { \
return _g.SetScriptObject(aScriptObject); \
}
#define NS_IMPL_ICONTENT_USING_GENERIC_DOM_DATA(_g) \
NS_IMETHOD GetDocument(nsIDocument*& aResult) const { \
return _g.GetDocument(aResult); \
} \
NS_IMETHOD SetDocument(nsIDocument* aDocument, PRBool aDeep) { \
return _g.SetDocument(aDocument, aDeep); \
} \
NS_IMETHOD GetParent(nsIContent*& aResult) const { \
return _g.GetParent(aResult); \
} \
NS_IMETHOD SetParent(nsIContent* aParent) { \
return _g.SetParent(aParent); \
} \
NS_IMETHOD CanContainChildren(PRBool& aResult) const { \
return _g.CanContainChildren(aResult); \
} \
NS_IMETHOD ChildCount(PRInt32& aResult) const { \
return _g.ChildCount(aResult); \
} \
NS_IMETHOD ChildAt(PRInt32 aIndex, nsIContent*& aResult) const { \
return _g.ChildAt(aIndex, aResult); \
} \
NS_IMETHOD IndexOf(nsIContent* aPossibleChild, PRInt32& aResult) const { \
return _g.IndexOf(aPossibleChild, aResult); \
} \
NS_IMETHOD InsertChildAt(nsIContent* aKid, PRInt32 aIndex, \
PRBool aNotify) { \
return _g.InsertChildAt(aKid, aIndex, aNotify); \
} \
NS_IMETHOD ReplaceChildAt(nsIContent* aKid, PRInt32 aIndex, \
PRBool aNotify) { \
return _g.ReplaceChildAt(aKid, aIndex, aNotify); \
} \
NS_IMETHOD AppendChildTo(nsIContent* aKid, PRBool aNotify) { \
return _g.AppendChildTo(aKid, aNotify); \
} \
NS_IMETHOD RemoveChildAt(PRInt32 aIndex, PRBool aNotify) { \
return _g.RemoveChildAt(aIndex, aNotify); \
} \
NS_IMETHOD IsSynthetic(PRBool& aResult) { \
return _g.IsSynthetic(aResult); \
} \
NS_IMETHOD GetNameSpaceID(PRInt32& aID) const { \
return _g.GetNameSpaceID(aID); \
} \
NS_IMETHOD GetTag(nsIAtom*& aResult) const; \
NS_IMETHOD ParseAttributeString(const nsString& aStr, \
nsIAtom*& aName, \
PRInt32& aNameSpaceID) { \
return _g.ParseAttributeString(aStr, aName, aNameSpaceID); \
} \
NS_IMETHOD GetNameSpacePrefixFromId(PRInt32 aNameSpaceID, \
nsIAtom*& aPrefix) { \
return _g.GetNameSpacePrefixFromId(aNameSpaceID, aPrefix); \
} \
NS_IMETHOD GetAttribute(PRInt32 aNameSpaceID, nsIAtom *aAttribute, \
nsString &aResult) const { \
return _g.GetAttribute(aNameSpaceID, aAttribute, aResult); \
} \
NS_IMETHOD SetAttribute(PRInt32 aNameSpaceID, nsIAtom* aAttribute, \
const nsString& aValue, PRBool aNotify) { \
return _g.SetAttribute(aNameSpaceID, aAttribute, aValue, aNotify); \
} \
NS_IMETHOD UnsetAttribute(PRInt32 aNameSpaceID, nsIAtom* aAttribute, \
PRBool aNotify) { \
return _g.UnsetAttribute(aNameSpaceID, aAttribute, aNotify); \
} \
NS_IMETHOD GetAttributeNameAt(PRInt32 aIndex, \
PRInt32& aNameSpaceID, \
nsIAtom*& aName) const { \
return _g.GetAttributeNameAt(aIndex, aNameSpaceID, aName); \
} \
NS_IMETHOD GetAttributeCount(PRInt32& aResult) const { \
return _g.GetAttributeCount(aResult); \
} \
NS_IMETHOD List(FILE* out, PRInt32 aIndent) const; \
NS_IMETHOD BeginConvertToXIF(nsXIFConverter& aConverter) const { \
return _g.BeginConvertToXIF(aConverter); \
} \
NS_IMETHOD ConvertContentToXIF(nsXIFConverter& aConverter) const { \
return _g.ConvertContentToXIF(aConverter); \
} \
NS_IMETHOD FinishConvertToXIF(nsXIFConverter& aConverter) const { \
return _g.FinishConvertToXIF(aConverter); \
} \
NS_IMETHOD HandleDOMEvent(nsIPresContext& aPresContext, \
nsEvent* aEvent, \
nsIDOMEvent** aDOMEvent, \
PRUint32 aFlags, \
nsEventStatus& aEventStatus); \
NS_IMETHOD RangeAdd(nsIDOMRange& aRange){ \
return _g.RangeAdd(aRange); \
} \
NS_IMETHOD RangeRemove(nsIDOMRange& aRange){ \
return _g.RangeRemove(aRange); \
} \
NS_IMETHOD GetRangeList(nsVoidArray*& aResult) const { \
return _g.GetRangeList(aResult); \
}
/**
* Implement the nsIDOMText API by forwarding the methods to a
* generic character data content object.
*/
#define NS_IMPL_IDOMTEXT_USING_GENERIC_DOM_DATA(_g) \
NS_IMETHOD SplitText(PRUint32 aOffset, nsIDOMText** aReturn){ \
return _g.SplitText(aOffset, aReturn); \
}
/**
* Implement the nsITextContent API by forwarding the methods to a
* generic character data content object.
*/
#define NS_IMPL_ITEXTCONTENT_USING_GENERIC_DOM_DATA(_g) \
NS_IMETHOD GetText(const nsTextFragment*& aFragmentsResult, \
PRInt32& aNumFragmentsResult){ \
return mInner.GetText(aFragmentsResult, aNumFragmentsResult); \
} \
NS_IMETHOD SetText(const PRUnichar* aBuffer, \
PRInt32 aLength, \
PRBool aNotify){ \
return mInner.SetText(aBuffer, aLength, aNotify); \
} \
NS_IMETHOD SetText(const char* aBuffer, \
PRInt32 aLength, \
PRBool aNotify){ \
return mInner.SetText(aBuffer, aLength, aNotify); \
} \
NS_IMETHOD IsOnlyWhitespace(PRBool* aResult){ \
return mInner.IsOnlyWhitespace(aResult); \
}
/**
* This macro implements the portion of query interface that is
* generic to all html content objects.
*/
#define NS_IMPL_DOM_DATA_QUERY_INTERFACE(_id, _iptr, _this) \
if (_id.Equals(kISupportsIID)) { \
nsIContent* tmp = _this; \
nsISupports* tmp2 = tmp; \
*_iptr = (void*) tmp2; \
NS_ADDREF_THIS(); \
return NS_OK; \
} \
if (_id.Equals(kIDOMNodeIID)) { \
nsIDOMNode* tmp = _this; \
*_iptr = (void*) tmp; \
NS_ADDREF_THIS(); \
return NS_OK; \
} \
if (_id.Equals(kIDOMCharacterDataIID)) { \
nsIDOMCharacterData* tmp = _this; \
*_iptr = (void*) tmp; \
NS_ADDREF_THIS(); \
return NS_OK; \
} \
if (_id.Equals(kIDOMEventReceiverIID)) { \
nsIDOMEventReceiver* tmp = _this; \
*_iptr = (void*) tmp; \
NS_ADDREF_THIS(); \
return NS_OK; \
} \
if (_id.Equals(kIDOMEventTargetIID)) { \
nsIDOMEventTarget* tmp = _this; \
*_iptr = (void*) tmp; \
NS_ADDREF_THIS(); \
return NS_OK; \
} \
if (_id.Equals(kIScriptObjectOwnerIID)) { \
nsIScriptObjectOwner* tmp = _this; \
*_iptr = (void*) tmp; \
NS_ADDREF_THIS(); \
return NS_OK; \
} \
if (_id.Equals(kIContentIID)) { \
nsIContent* tmp = _this; \
*_iptr = (void*) tmp; \
NS_ADDREF_THIS(); \
return NS_OK; \
}
#endif /* nsGenericDOMDataNode_h___ */