michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: 
michael@0: /**
michael@0:  * MODULE NOTES:
michael@0:  * @update  gess 4/1/98
michael@0:  * 
michael@0:  */
michael@0: 
michael@0: 
michael@0: 
michael@0: #ifndef _NSELEMENTABLE
michael@0: #define _NSELEMENTABLE
michael@0: 
michael@0: #include "nsHTMLTags.h"
michael@0: #include "nsIDTD.h"
michael@0: 
michael@0: //*********************************************************************************************
michael@0: // The following ints define the standard groups of HTML elements...
michael@0: //*********************************************************************************************
michael@0: 
michael@0: static const int kNone= 0x0;
michael@0: 
michael@0: static const int kHTMLContent   = 0x0001; //  HEAD, (FRAMESET | BODY)
michael@0: static const int kHeadContent   = 0x0002; //  Elements that *must* be in the head.
michael@0: static const int kHeadMisc      = 0x0004; //  Elements that *can* be in the head.
michael@0: 
michael@0: static const int kSpecial       = 0x0008; //  A,    IMG,  APPLET, OBJECT, FONT, BASEFONT, BR, SCRIPT, 
michael@0:                                           //  MAP,  Q,    SUB,    SUP,    SPAN, BDO,      IFRAME
michael@0: 
michael@0: static const int kFormControl   = 0x0010; //  INPUT SELECT  TEXTAREA  LABEL BUTTON
michael@0: static const int kPreformatted  = 0x0020; //  PRE
michael@0: static const int kPreExclusion  = 0x0040; //  IMG,  OBJECT, APPLET, BIG,  SMALL,  SUB,  SUP,  FONT, BASEFONT
michael@0: static const int kFontStyle     = 0x0080; //  TT, I, B, U, S, STRIKE, BIG, SMALL
michael@0: static const int kPhrase        = 0x0100; //  EM, STRONG, DFN, CODE, SAMP, KBD, VAR, CITE, ABBR, ACRONYM
michael@0: static const int kHeading       = 0x0200; //  H1..H6
michael@0: static const int kBlockMisc     = 0x0400; //  OBJECT, SCRIPT
michael@0: static const int kBlock         = 0x0800; //  ADDRESS, BLOCKQUOTE, CENTER, DIV, DL, FIELDSET, FORM, 
michael@0:                                           //  ISINDEX, HR, NOSCRIPT, NOFRAMES, P, TABLE
michael@0: static const int kList          = 0x1000; //  UL, OL, DIR, MENU
michael@0: static const int kPCDATA        = 0x2000; //  plain text and entities...
michael@0: static const int kSelf          = 0x4000; //  whatever THIS tag is...
michael@0: static const int kExtensions    = 0x8000; //  BGSOUND, WBR, NOBR
michael@0: static const int kTable         = 0x10000;//  TR,TD,THEAD,TBODY,TFOOT,CAPTION,TH
michael@0: static const int kDLChild       = 0x20000;//  DL, DT
michael@0: static const int kCDATA         = 0x40000;//  just plain text...
michael@0: 
michael@0: static const int kInlineEntity  = (kPCDATA|kFontStyle|kPhrase|kSpecial|kFormControl|kExtensions);  //  #PCDATA, %fontstyle, %phrase, %special, %formctrl
michael@0: static const int kBlockEntity   = (kHeading|kList|kPreformatted|kBlock); //  %heading, %list, %preformatted, %block
michael@0: static const int kFlowEntity    = (kBlockEntity|kInlineEntity); //  %blockentity, %inlineentity
michael@0: static const int kAllTags       = 0xffffff;
michael@0: 
michael@0: 
michael@0: //*********************************************************************************************
michael@0: // The following ints define the standard groups of HTML elements...
michael@0: //*********************************************************************************************
michael@0: 
michael@0: #ifdef DEBUG
michael@0: extern void CheckElementTable();
michael@0: #endif
michael@0: 
michael@0: 
michael@0: /**
michael@0:  * We're asking the question: is aTest a member of bitset. 
michael@0:  *
michael@0:  * @param 
michael@0:  * @return TRUE or FALSE
michael@0:  */
michael@0: inline bool TestBits(int aBitset,int aTest) {
michael@0:   if(aTest) {
michael@0:     int32_t result=(aBitset & aTest);
michael@0:     return bool(result==aTest);
michael@0:   }
michael@0:   return false;
michael@0: }
michael@0: 
michael@0: struct nsHTMLElement {
michael@0:   bool            IsMemberOf(int32_t aType) const;
michael@0: 
michael@0:   eHTMLTags       mTagID;
michael@0:   int             mParentBits;        //defines groups that can contain this element
michael@0:   bool            mLeaf;
michael@0: 
michael@0:   static  bool    IsContainer(eHTMLTags aTag);
michael@0: }; 
michael@0: 
michael@0: extern const nsHTMLElement gHTMLElements[];
michael@0: 
michael@0: #endif