initial commit
[namibia] / public / scripts / ckeditor / _source / plugins / entities / plugin.js
1 /*
2 Copyright (c) 2003-2011, CKSource - Frederico Knabben. All rights reserved.
3 For licensing, see LICENSE.html or http://ckeditor.com/license
4 */
5
6 (function()
7 {
8         // Base HTML entities.
9         var htmlbase = 'nbsp,gt,lt,amp';
10
11         var entities =
12                 // Latin-1 Entities
13                 'quot,iexcl,cent,pound,curren,yen,brvbar,sect,uml,copy,ordf,laquo,' +
14                 'not,shy,reg,macr,deg,plusmn,sup2,sup3,acute,micro,para,middot,' +
15                 'cedil,sup1,ordm,raquo,frac14,frac12,frac34,iquest,times,divide,' +
16
17                 // Symbols
18                 'fnof,bull,hellip,prime,Prime,oline,frasl,weierp,image,real,trade,' +
19                 'alefsym,larr,uarr,rarr,darr,harr,crarr,lArr,uArr,rArr,dArr,hArr,' +
20                 'forall,part,exist,empty,nabla,isin,notin,ni,prod,sum,minus,lowast,' +
21                 'radic,prop,infin,ang,and,or,cap,cup,int,there4,sim,cong,asymp,ne,' +
22                 'equiv,le,ge,sub,sup,nsub,sube,supe,oplus,otimes,perp,sdot,lceil,' +
23                 'rceil,lfloor,rfloor,lang,rang,loz,spades,clubs,hearts,diams,' +
24
25                 // Other Special Characters
26                 'circ,tilde,ensp,emsp,thinsp,zwnj,zwj,lrm,rlm,ndash,mdash,lsquo,' +
27                 'rsquo,sbquo,ldquo,rdquo,bdquo,dagger,Dagger,permil,lsaquo,rsaquo,' +
28                 'euro';
29
30         // Latin Letters Entities
31         var latin =
32                 'Agrave,Aacute,Acirc,Atilde,Auml,Aring,AElig,Ccedil,Egrave,Eacute,' +
33                 'Ecirc,Euml,Igrave,Iacute,Icirc,Iuml,ETH,Ntilde,Ograve,Oacute,Ocirc,' +
34                 'Otilde,Ouml,Oslash,Ugrave,Uacute,Ucirc,Uuml,Yacute,THORN,szlig,' +
35                 'agrave,aacute,acirc,atilde,auml,aring,aelig,ccedil,egrave,eacute,' +
36                 'ecirc,euml,igrave,iacute,icirc,iuml,eth,ntilde,ograve,oacute,ocirc,' +
37                 'otilde,ouml,oslash,ugrave,uacute,ucirc,uuml,yacute,thorn,yuml,' +
38                 'OElig,oelig,Scaron,scaron,Yuml';
39
40         // Greek Letters Entities.
41         var greek =
42                 'Alpha,Beta,Gamma,Delta,Epsilon,Zeta,Eta,Theta,Iota,Kappa,Lambda,Mu,' +
43                 'Nu,Xi,Omicron,Pi,Rho,Sigma,Tau,Upsilon,Phi,Chi,Psi,Omega,alpha,' +
44                 'beta,gamma,delta,epsilon,zeta,eta,theta,iota,kappa,lambda,mu,nu,xi,' +
45                 'omicron,pi,rho,sigmaf,sigma,tau,upsilon,phi,chi,psi,omega,thetasym,' +
46                 'upsih,piv';
47
48         /**
49          * Create a mapping table between one character and its entity form from a list of entity names.
50          * @param reverse {Boolean} Whether to create a reverse map from the entity string form to an actual character.
51          */
52         function buildTable( entities, reverse )
53         {
54                 var table = {},
55                         regex = [];
56
57                 // Entities that the browsers DOM don't transform to the final char
58                 // automatically.
59                 var specialTable =
60                         {
61                                 nbsp    : '\u00A0',             // IE | FF
62                                 shy             : '\u00AD',             // IE
63                                 gt              : '\u003E',             // IE | FF |   --   | Opera
64                                 lt              : '\u003C',             // IE | FF | Safari | Opera
65                                 amp : '\u0026'          // ALL
66                         };
67
68                 entities = entities.replace( /\b(nbsp|shy|gt|lt|amp)(?:,|$)/g, function( match, entity )
69                         {
70                                 var org = reverse ? '&' + entity + ';' : specialTable[ entity ],
71                                         result = reverse ? specialTable[ entity ] : '&' + entity + ';';
72
73                                 table[ org ] = result;
74                                 regex.push( org );
75                                 return '';
76                         });
77
78                 if ( !reverse && entities )
79                 {
80                         // Transforms the entities string into an array.
81                         entities = entities.split( ',' );
82
83                         // Put all entities inside a DOM element, transforming them to their
84                         // final chars.
85                         var div = document.createElement( 'div' ),
86                                 chars;
87                         div.innerHTML = '&' + entities.join( ';&' ) + ';';
88                         chars = div.innerHTML;
89                         div = null;
90
91                         // Add all chars to the table.
92                         for ( var i = 0 ; i < chars.length ; i++ )
93                         {
94                                 var charAt = chars.charAt( i );
95                                 table[ charAt ] = '&' + entities[ i ] + ';';
96                                 regex.push( charAt );
97                         }
98                 }
99
100                 table.regex = regex.join( reverse ? '|' : '' );
101
102                 return table;
103         }
104
105         CKEDITOR.plugins.add( 'entities',
106         {
107                 afterInit : function( editor )
108                 {
109                         var config = editor.config;
110
111                         var dataProcessor = editor.dataProcessor,
112                                 htmlFilter = dataProcessor && dataProcessor.htmlFilter;
113
114                         if ( htmlFilter )
115                         {
116                                 // Mandatory HTML base entities.
117                                 var selectedEntities = '';
118
119                                 if ( config.basicEntities !== false )
120                                         selectedEntities += htmlbase;
121
122                                 if ( config.entities )
123                                 {
124                                         selectedEntities += ',' + entities;
125                                         if ( config.entities_latin )
126                                                 selectedEntities += ',' + latin;
127
128                                         if ( config.entities_greek )
129                                                 selectedEntities += ',' + greek;
130
131                                         if ( config.entities_additional )
132                                                 selectedEntities += ',' + config.entities_additional;
133                                 }
134
135                                 var entitiesTable = buildTable( selectedEntities );
136
137                                 // Create the Regex used to find entities in the text, leave it matches nothing if entities are empty.
138                                 var entitiesRegex = entitiesTable.regex ? '[' + entitiesTable.regex + ']' : 'a^';
139                                 delete entitiesTable.regex;
140
141                                 if ( config.entities && config.entities_processNumerical )
142                                         entitiesRegex = '[^ -~]|' + entitiesRegex ;
143
144                                 entitiesRegex = new RegExp( entitiesRegex, 'g' );
145
146                                 function getEntity( character )
147                                 {
148                                         return config.entities_processNumerical == 'force' || !entitiesTable[ character ] ?
149                                                    '&#' + character.charCodeAt(0) + ';'
150                                                         : entitiesTable[ character ];
151                                 }
152
153                                 // Decode entities that the browsers has transformed
154                                 // at first place.
155                                 var baseEntitiesTable = buildTable( [ htmlbase, 'shy' ].join( ',' ) , true ),
156                                         baseEntitiesRegex = new RegExp( baseEntitiesTable.regex, 'g' );
157
158                                 function getChar( character )
159                                 {
160                                         return baseEntitiesTable[ character ];
161                                 }
162
163                                 htmlFilter.addRules(
164                                         {
165                                                 text : function( text )
166                                                 {
167                                                         return text.replace( baseEntitiesRegex, getChar )
168                                                                         .replace( entitiesRegex, getEntity );
169                                                 }
170                                         });
171                         }
172                 }
173         });
174 })();
175
176 /**
177  * Whether to escape basic HTML entities in the document, including:
178  * <ul>
179  * <li><code>nbsp</code></li>
180  * <li><code>gt</code></li>
181  * <li><code>lt</code></li>
182  * <li><code>amp</code></li>
183  * </ul>
184  * <strong>Note:</strong> It should not be subject to change unless when outputting a non-HTML data format like BBCode.
185  * @type Boolean
186  * @default <code>true</code>
187  * @example
188  * config.basicEntities = false;
189  */
190 CKEDITOR.config.basicEntities = true;
191
192 /**
193  * Whether to use HTML entities in the output.
194  * @name CKEDITOR.config.entities
195  * @type Boolean
196  * @default <code>true</code>
197  * @example
198  * config.entities = false;
199  */
200 CKEDITOR.config.entities = true;
201
202 /**
203  * Whether to convert some Latin characters (Latin alphabet No&#46; 1, ISO 8859-1)
204  * to HTML entities. The list of entities can be found in the
205  * <a href="http://www.w3.org/TR/html4/sgml/entities.html#h-24.2.1">W3C HTML 4.01 Specification, section 24.2.1</a>.
206  * @name CKEDITOR.config.entities_latin
207  * @type Boolean
208  * @default <code>true</code>
209  * @example
210  * config.entities_latin = false;
211  */
212 CKEDITOR.config.entities_latin = true;
213
214 /**
215  * Whether to convert some symbols, mathematical symbols, and Greek letters to
216  * HTML entities. This may be more relevant for users typing text written in Greek.
217  * The list of entities can be found in the
218  * <a href="http://www.w3.org/TR/html4/sgml/entities.html#h-24.3.1">W3C HTML 4.01 Specification, section 24.3.1</a>.
219  * @name CKEDITOR.config.entities_greek
220  * @type Boolean
221  * @default <code>true</code>
222  * @example
223  * config.entities_greek = false;
224  */
225 CKEDITOR.config.entities_greek = true;
226
227 /**
228  * Whether to convert all remaining characters not included in the ASCII
229  * character table to their relative decimal numeric representation of HTML entity.
230  * When set to <code>force</code>, it will convert all entities into this format.
231  * For example the phrase "This is Chinese: &#27721;&#35821;." is output
232  * as "This is Chinese: &amp;#27721;&amp;#35821;."
233  * @name CKEDITOR.config.entities_processNumerical
234  * @type Boolean|String
235  * @default <code>false</code>
236  * @example
237  * config.entities_processNumerical = true;
238  * config.entities_processNumerical = 'force';          //Converts from "&nbsp;" into "&#160;";
239  */
240
241 /**
242  * A comma separated list of  additional entities to be used. Entity names
243  * or numbers must be used in a form that excludes the "&amp;" prefix and the ";" ending.
244  * @name CKEDITOR.config.entities_additional
245  * @default <code>'#39'</code>  (The single quote (') character.)
246  * @type String
247  * @example
248  * config.entities_additional = '#1049';                // Adds Cyrillic capital letter Short I (&#1049;).
249  */
250 CKEDITOR.config.entities_additional = '#39';