132 lines
4.9 KiB
C++
132 lines
4.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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/**
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* MODULE NOTES:
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* @update gess 4/1/98
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*
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*/
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#ifndef _NSELEMENTABLE
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#define _NSELEMENTABLE
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#include "nsHTMLTokens.h"
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#include "nsDTDUtils.h"
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class CTagList {
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public:
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CTagList( int aCount,
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eHTMLTags* aTagList=0,
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eHTMLTags aTag1=eHTMLTag_unknown,
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eHTMLTags aTag2=eHTMLTag_unknown,
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eHTMLTags aTag3=eHTMLTag_unknown,
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eHTMLTags aTag4=eHTMLTag_unknown,
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eHTMLTags aTag5=eHTMLTag_unknown)
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{
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mCount=aCount;
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mTags[0]=aTag1; mTags[1]=aTag2; mTags[2]=aTag3; mTags[3]=aTag4; mTags[4]=aTag5;
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mTagList=aTagList;
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}
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PRInt32 GetTopmostIndexOf(nsTagStack& aTagStack);
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PRInt32 GetBottommostIndexOf(nsTagStack& aTagStack,PRInt32 aStartOffset);
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PRBool Contains(eHTMLTags aTag);
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eHTMLTags mTags[5];
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eHTMLTags* mTagList;
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int mCount;
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};
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//*********************************************************************************************
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// The following ints define the standard groups of HTML elements...
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//*********************************************************************************************
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/**
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*
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* @update gess 01/04/99
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* @param
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* @return
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*/
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struct nsHTMLElement {
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static PRBool IsContainerType(eHTMLTags aTag,int aType);
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static PRBool IsBlockElement(eHTMLTags aTag);
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static PRBool IsInlineElement(eHTMLTags aTag);
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static PRBool IsFlowElement(eHTMLTags aTag);
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static PRBool IsBlockCloser(eHTMLTags aTag);
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CTagList* GetRootTags(void) const {return mRootNodes;}
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CTagList* GetEndRootTags(void) const {return mEndRootNodes;}
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CTagList* GetAutoCloseStartTags(void) const {return mAutocloseStart;}
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CTagList* GetAutoCloseEndTags(void) const {return mAutocloseEnd;}
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CTagList* GetSynonymousTags(void) const {return mSynonymousTags;}
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static PRBool IsBlockParent(eHTMLTags aTag);
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static PRBool IsInlineParent(eHTMLTags aTag);
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static PRBool IsFlowParent(eHTMLTags aTag);
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CTagList* GetSpecialChildren(void) const {return mSpecialKids;}
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CTagList* GetSpecialParents(void) const {return mSpecialParents;}
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PRBool IsMemberOf(PRInt32 aType) const;
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PRBool CanContainType(PRInt32 aType) const;
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eHTMLTags GetTag(void) const {return mTagID;}
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PRBool CanContain(eHTMLTags aChild) const;
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PRBool CanOmitStartTag(eHTMLTags aChild) const;
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PRBool CanOmitEndTag(eHTMLTags aParent) const;
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PRBool CanContainSelf() const;
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PRBool HasSpecialProperty(PRInt32 aProperty) const;
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static PRBool CanContain(eHTMLTags aParent,eHTMLTags aChild);
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static PRBool IsContainer(eHTMLTags aTag) ;
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static PRBool IsStyleTag(eHTMLTags aTag) ;
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static PRBool IsChildOfHead(eHTMLTags aTag) ;
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static PRBool IsTextTag(eHTMLTags aTag);
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eHTMLTags mTagID;
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CTagList* mRootNodes; //These are the tags above which you many not autoclose a START tag
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CTagList* mEndRootNodes; //These are the tags above which you many not autoclose an END tag
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CTagList* mAutocloseStart; //these are the start tags that you can automatically close with this START tag
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CTagList* mAutocloseEnd; //these are the start tags that you can automatically close with this END tag
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CTagList* mSynonymousTags; //These are morally equivalent; an end tag for one can close a start tag for another (like <Hn>)
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int mParentBits; //defines groups that can contain this element
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int mInclusionBits; //defines parental and containment rules
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int mExclusionBits; //defines things you CANNOT contain
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int mSpecialProperties; //used for various special purposes...
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CTagList* mSpecialParents; //These are the special tags that contain this tag (directly)
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CTagList* mSpecialKids; //These are the extra things you can contain
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eHTMLTags mSkipTarget; //If set, then we skip all content until this tag is seen
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};
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extern nsHTMLElement gHTMLElements[];
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//special property bits...
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static const int kDiscardTag = 0x0001; //tells us to toss this tag
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static const int kOmitEndTag = 0x0002; //safely ignore end tag
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#endif
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