171 lines
7.4 KiB
C++
171 lines
7.4 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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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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PRBool SectionContains(eHTMLTags aTag,PRBool allowDepthSearch);
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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 IsHeadingTag(eHTMLTags aTag) ;
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static PRBool IsTextTag(eHTMLTags aTag);
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static PRBool IsWhitespaceTag(eHTMLTags aTag);
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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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static PRBool IsSectionTag(eHTMLTags aTag);
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static PRBool IsChildOfHead(eHTMLTags aTag) ;
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eHTMLTags mTagID;
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eHTMLTags mRequiredAncestor;
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eHTMLTags mExcludingAncestor; //If set, the presence of the excl-ancestor prevents this from opening.
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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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extern CTagList gFramesetKids;
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extern CTagList gHeadingTags;
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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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static const int kLegalOpen = 0x0004; //Lets BODY, TITLE, SCRIPT to reopen
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static const int kOmitWS = 0x0008; //If set, the tag can omit all ws and newlines
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static const int kBadContentWatch = 0x0014; //Used in handling illegal contents
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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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static const int kNone= 0x0;
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static const int kHTMLContent = 0x0001; // HEAD, (FRAMESET | BODY)
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static const int kHeadContent = 0x0002; // TITLE, ISINDEX, BASE
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static const int kHeadMisc = 0x0004; // SCRIPT, STYLE, META, LINK, OBJECT
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static const int kSpecial = 0x0008; // A, IMG, APPLET, OBJECT, FONT, BASEFONT, BR, SCRIPT,
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// MAP, Q, SUB, SUP, SPAN, BDO, IFRAME
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static const int kFormControl = 0x0010; // INPUT SELECT TEXTAREA LABEL BUTTON
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static const int kPreformatted = 0x0011; // PRE
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static const int kPreExclusion = 0x0012; // IMG, OBJECT, APPLET, BIG, SMALL, SUB, SUP, FONT, BASEFONT
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static const int kFontStyle = 0x0014; // TT, I, B, U, S, STRIKE, BIG, SMALL
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static const int kPhrase = 0x0018; // EM, STRONG, DFN, CODE, SAMP, KBD, VAR, CITE, ABBR, ACRONYM
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static const int kHeading = 0x0020; // H1..H6
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static const int kBlockMisc = 0x0021; // P, DL, DIV, CENTER, NOSCRIPT, NOFRAMES, BLOCKQUOTE
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// FORM, ISINDEX, HR, TABLE, FIELDSET, ADDRESS
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static const int kList = 0x0024; // UL, OL, DIR, MENU
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static const int kPCDATA = 0x0028; // just plain text...
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static const int kSelf = 0x0040; // whatever THIS tag is...
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static const int kInline = (kPCDATA|kFontStyle|kPhrase|kSpecial|kFormControl); // #PCDATA, %fontstyle, %phrase, %special, %formctrl
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static const int kBlock = (kHeading|kList|kPreformatted|kBlockMisc); // %heading, %list, %preformatted, %blockmisc
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static const int kFlow = (kBlock|kInline); // %block, %inline
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#endif
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