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       1             : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* This Source Code Form is subject to the terms of the Mozilla Public
       3             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       4             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       5             : 
       6             : 
       7             : /**
       8             :  * MODULE NOTES:
       9             :  * @update  gess 4/1/98
      10             :  * 
      11             :  */
      12             : 
      13             : 
      14             : 
      15             : #ifndef _NSELEMENTABLE
      16             : #define _NSELEMENTABLE
      17             : 
      18             : #include "nsHTMLTags.h"
      19             : #include "nsIDTD.h"
      20             : 
      21             : //*********************************************************************************************
      22             : // The following ints define the standard groups of HTML elements...
      23             : //*********************************************************************************************
      24             : 
      25             : static const int kNone= 0x0;
      26             : 
      27             : static const int kHTMLContent   = 0x0001; //  HEAD, (FRAMESET | BODY)
      28             : static const int kHeadContent   = 0x0002; //  Elements that *must* be in the head.
      29             : static const int kHeadMisc      = 0x0004; //  Elements that *can* be in the head.
      30             : 
      31             : static const int kSpecial       = 0x0008; //  A,    IMG,  APPLET, OBJECT, FONT, BASEFONT, BR, SCRIPT, 
      32             :                                           //  MAP,  Q,    SUB,    SUP,    SPAN, BDO,      IFRAME
      33             : 
      34             : static const int kFormControl   = 0x0010; //  INPUT SELECT  TEXTAREA  LABEL BUTTON
      35             : static const int kPreformatted  = 0x0020; //  PRE
      36             : static const int kPreExclusion  = 0x0040; //  IMG,  OBJECT, APPLET, BIG,  SMALL,  SUB,  SUP,  FONT, BASEFONT
      37             : static const int kFontStyle     = 0x0080; //  TT, I, B, U, S, STRIKE, BIG, SMALL
      38             : static const int kPhrase        = 0x0100; //  EM, STRONG, DFN, CODE, SAMP, KBD, VAR, CITE, ABBR, ACRONYM
      39             : static const int kHeading       = 0x0200; //  H1..H6
      40             : static const int kBlockMisc     = 0x0400; //  OBJECT, SCRIPT
      41             : static const int kBlock         = 0x0800; //  ADDRESS, BLOCKQUOTE, CENTER, DIV, DL, FIELDSET, FORM, 
      42             :                                           //  ISINDEX, HR, NOSCRIPT, NOFRAMES, P, TABLE
      43             : static const int kList          = 0x1000; //  UL, OL, DIR, MENU
      44             : static const int kPCDATA        = 0x2000; //  plain text and entities...
      45             : static const int kSelf          = 0x4000; //  whatever THIS tag is...
      46             : static const int kExtensions    = 0x8000; //  BGSOUND, WBR, NOBR
      47             : static const int kTable         = 0x10000;//  TR,TD,THEAD,TBODY,TFOOT,CAPTION,TH
      48             : static const int kDLChild       = 0x20000;//  DL, DT
      49             : static const int kCDATA         = 0x40000;//  just plain text...
      50             : 
      51             : static const int kInlineEntity  = (kPCDATA|kFontStyle|kPhrase|kSpecial|kFormControl|kExtensions);  //  #PCDATA, %fontstyle, %phrase, %special, %formctrl
      52             : static const int kBlockEntity   = (kHeading|kList|kPreformatted|kBlock); //  %heading, %list, %preformatted, %block
      53             : static const int kFlowEntity    = (kBlockEntity|kInlineEntity); //  %blockentity, %inlineentity
      54             : static const int kAllTags       = 0xffffff;
      55             : 
      56             : 
      57             : //*********************************************************************************************
      58             : // The following ints define the standard groups of HTML elements...
      59             : //*********************************************************************************************
      60             : 
      61             : #ifdef DEBUG
      62             : extern void CheckElementTable();
      63             : #endif
      64             : 
      65             : 
      66             : /**
      67             :  * We're asking the question: is aTest a member of bitset. 
      68             :  *
      69             :  * @param 
      70             :  * @return TRUE or FALSE
      71             :  */
      72           0 : inline bool TestBits(int aBitset,int aTest) {
      73           0 :   if(aTest) {
      74           0 :     int32_t result=(aBitset & aTest);
      75           0 :     return bool(result==aTest);
      76             :   }
      77           0 :   return false;
      78             : }
      79             : 
      80             : struct nsHTMLElement {
      81             :   bool            IsMemberOf(int32_t aType) const;
      82             : 
      83             :   eHTMLTags       mTagID;
      84             :   int             mParentBits;        //defines groups that can contain this element
      85             :   bool            mLeaf;
      86             : 
      87             :   static  bool    IsContainer(eHTMLTags aTag);
      88             : }; 
      89             : 
      90             : extern const nsHTMLElement gHTMLElements[];
      91             : 
      92             : #endif