LCOV - code coverage report
Current view: directory - objdir/dist/include - nsHTMLTags.h (source / functions) Found Hit Coverage
Test: app.info Lines: 14 14 100.0 %
Date: 2012-06-02 Functions: 4 4 100.0 %

       1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2                 : /* ***** BEGIN LICENSE BLOCK *****
       3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       4                 :  *
       5                 :  * The contents of this file are subject to the Mozilla Public License Version
       6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       7                 :  * the License. You may obtain a copy of the License at
       8                 :  * http://www.mozilla.org/MPL/
       9                 :  *
      10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12                 :  * for the specific language governing rights and limitations under the
      13                 :  * License.
      14                 :  *
      15                 :  * The Original Code is Mozilla Communicator client code.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is
      18                 :  * Netscape Communications Corporation.
      19                 :  * Portions created by the Initial Developer are Copyright (C) 1998
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *
      24                 :  * Alternatively, the contents of this file may be used under the terms of
      25                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
      26                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      27                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      28                 :  * of those above. If you wish to allow use of your version of this file only
      29                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      30                 :  * use your version of this file under the terms of the MPL, indicate your
      31                 :  * decision by deleting the provisions above and replace them with the notice
      32                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      33                 :  * the provisions above, a recipient may use your version of this file under
      34                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      35                 :  *
      36                 :  * ***** END LICENSE BLOCK ***** */
      37                 : 
      38                 : #ifndef nsHTMLTags_h___
      39                 : #define nsHTMLTags_h___
      40                 : 
      41                 : #include "nsStringGlue.h"
      42                 : #include "plhash.h"
      43                 : 
      44                 : class nsIAtom;
      45                 : 
      46                 : /*
      47                 :    Declare the enum list using the magic of preprocessing
      48                 :    enum values are "eHTMLTag_foo" (where foo is the tag)
      49                 : 
      50                 :    To change the list of tags, see nsHTMLTagList.h
      51                 : 
      52                 :  */
      53                 : #define HTML_TAG(_tag, _classname) eHTMLTag_##_tag,
      54                 : #define HTML_HTMLELEMENT_TAG(_tag) eHTMLTag_##_tag,
      55                 : #define HTML_OTHER(_tag) eHTMLTag_##_tag,
      56                 : enum nsHTMLTag {
      57                 :   /* this enum must be first and must be zero */
      58                 :   eHTMLTag_unknown = 0,
      59                 : #include "nsHTMLTagList.h"
      60                 : 
      61                 :   /* can't be moved into nsHTMLTagList since gcc3.4 doesn't like a
      62                 :      comma at the end of enum list*/
      63                 :   eHTMLTag_userdefined
      64                 : };
      65                 : #undef HTML_TAG
      66                 : #undef HTML_HTMLELEMENT_TAG
      67                 : #undef HTML_OTHER
      68                 : 
      69                 : // All tags before eHTMLTag_text are HTML tags
      70                 : #define NS_HTML_TAG_MAX PRInt32(eHTMLTag_text - 1)
      71                 : 
      72                 : class nsHTMLTags {
      73                 : public:
      74                 :   static nsresult AddRefTable(void);
      75                 :   static void ReleaseTable(void);
      76                 : 
      77                 :   // Functions for converting string or atom to id
      78                 :   static nsHTMLTag LookupTag(const nsAString& aTagName);
      79           97133 :   static nsHTMLTag CaseSensitiveLookupTag(const PRUnichar* aTagName)
      80                 :   {
      81           97133 :     NS_ASSERTION(gTagTable, "no lookup table, needs addref");
      82           97133 :     NS_ASSERTION(aTagName, "null tagname!");
      83                 : 
      84           97133 :     void* tag = PL_HashTableLookupConst(gTagTable, aTagName);
      85                 : 
      86           97133 :     return tag ? (nsHTMLTag)NS_PTR_TO_INT32(tag) : eHTMLTag_userdefined;
      87                 :   }
      88           33150 :   static nsHTMLTag CaseSensitiveLookupTag(nsIAtom* aTagName)
      89                 :   {
      90           33150 :     NS_ASSERTION(gTagAtomTable, "no lookup table, needs addref");
      91           33150 :     NS_ASSERTION(aTagName, "null tagname!");
      92                 : 
      93           33150 :     void* tag = PL_HashTableLookupConst(gTagAtomTable, aTagName);
      94                 : 
      95           33150 :     return tag ? (nsHTMLTag)NS_PTR_TO_INT32(tag) : eHTMLTag_userdefined;
      96                 :   }
      97                 : 
      98                 :   // Functions for converting an id to a string or atom
      99           32637 :   static const PRUnichar *GetStringValue(nsHTMLTag aEnum)
     100                 :   {
     101                 :     return aEnum <= eHTMLTag_unknown || aEnum > NS_HTML_TAG_MAX ?
     102           32637 :       nsnull : sTagUnicodeTable[aEnum - 1];
     103                 :   }
     104           32612 :   static nsIAtom *GetAtom(nsHTMLTag aEnum)
     105                 :   {
     106                 :     return aEnum <= eHTMLTag_unknown || aEnum > NS_HTML_TAG_MAX ?
     107           32612 :       nsnull : sTagAtomTable[aEnum - 1];
     108                 :   }
     109                 : 
     110                 : #ifdef DEBUG
     111                 :   static void TestTagTable();
     112                 : #endif
     113                 : 
     114                 : private:
     115                 :   static nsIAtom* sTagAtomTable[eHTMLTag_userdefined - 1];
     116                 :   static const PRUnichar* const sTagUnicodeTable[];
     117                 : 
     118                 :   static PRInt32 gTableRefCount;
     119                 :   static PLHashTable* gTagTable;
     120                 :   static PLHashTable* gTagAtomTable;
     121                 : };
     122                 : 
     123                 : #define eHTMLTags nsHTMLTag
     124                 : 
     125                 : #endif /* nsHTMLTags_h___ */

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