1 /* 2 Copyright (c) 2003-2009, CKSource - Frederico Knabben. All rights reserved. 3 For licensing, see LICENSE.html or http://ckeditor.com/license 4 */ 5 6 (function() 7 { 8 var entities = 9 10 // Base HTML entities. 11 'nbsp,gt,lt,quot,' + 12 13 // Latin-1 Entities 14 'iexcl,cent,pound,curren,yen,brvbar,sect,uml,copy,ordf,laquo,' + 15 'not,shy,reg,macr,deg,plusmn,sup2,sup3,acute,micro,para,middot,' + 16 'cedil,sup1,ordm,raquo,frac14,frac12,frac34,iquest,times,divide,' + 17 18 // Symbols 19 'fnof,bull,hellip,prime,Prime,oline,frasl,weierp,image,real,trade,' + 20 'alefsym,larr,uarr,rarr,darr,harr,crarr,lArr,uArr,rArr,dArr,hArr,' + 21 'forall,part,exist,empty,nabla,isin,notin,ni,prod,sum,minus,lowast,' + 22 'radic,prop,infin,ang,and,or,cap,cup,int,there4,sim,cong,asymp,ne,' + 23 'equiv,le,ge,sub,sup,nsub,sube,supe,oplus,otimes,perp,sdot,lceil,' + 24 'rceil,lfloor,rfloor,lang,rang,loz,spades,clubs,hearts,diams,' + 25 26 // Other Special Characters 27 'circ,tilde,ensp,emsp,thinsp,zwnj,zwj,lrm,rlm,ndash,mdash,lsquo,' + 28 'rsquo,sbquo,ldquo,rdquo,bdquo,dagger,Dagger,permil,lsaquo,rsaquo,' + 29 'euro'; 30 31 // Latin Letters Entities 32 var latin = 33 'Agrave,Aacute,Acirc,Atilde,Auml,Aring,AElig,Ccedil,Egrave,Eacute,' + 34 'Ecirc,Euml,Igrave,Iacute,Icirc,Iuml,ETH,Ntilde,Ograve,Oacute,Ocirc,' + 35 'Otilde,Ouml,Oslash,Ugrave,Uacute,Ucirc,Uuml,Yacute,THORN,szlig,' + 36 'agrave,aacute,acirc,atilde,auml,aring,aelig,ccedil,egrave,eacute,' + 37 'ecirc,euml,igrave,iacute,icirc,iuml,eth,ntilde,ograve,oacute,ocirc,' + 38 'otilde,ouml,oslash,ugrave,uacute,ucirc,uuml,yacute,thorn,yuml,' + 39 'OElig,oelig,Scaron,scaron,Yuml'; 40 41 // Greek Letters Entities. 42 var greek = 43 'Alpha,Beta,Gamma,Delta,Epsilon,Zeta,Eta,Theta,Iota,Kappa,Lambda,Mu,' + 44 'Nu,Xi,Omicron,Pi,Rho,Sigma,Tau,Upsilon,Phi,Chi,Psi,Omega,alpha,' + 45 'beta,gamma,delta,epsilon,zeta,eta,theta,iota,kappa,lambda,mu,nu,xi,' + 46 'omicron,pi,rho,sigmaf,sigma,tau,upsilon,phi,chi,psi,omega,thetasym,' + 47 'upsih,piv'; 48 49 function buildTable( entities ) 50 { 51 var table = {}, 52 regex = []; 53 54 // Entities that the browsers DOM don't transform to the final char 55 // automatically. 56 var specialTable = 57 { 58 nbsp : '\u00A0', // IE | FF 59 shy : '\u00AD', // IE 60 gt : '\u003E', // IE | FF | -- | Opera 61 lt : '\u003C' // IE | FF | Safari | Opera 62 }; 63 64 entities = entities.replace( /\b(nbsp|shy|gt|lt|amp)(?:,|$)/g, function( match, entity ) 65 { 66 table[ specialTable[ entity ] ] = entity; 67 regex.push( specialTable[ entity ] ); 68 return ''; 69 }); 70 71 // Transforms the entities string into an array. 72 entities = entities.split( ',' ); 73 74 // Put all entities inside a DOM element, transforming them to their 75 // final chars. 76 var div = document.createElement( 'div' ), 77 chars; 78 div.innerHTML = '&' + entities.join( ';&' ) + ';'; 79 chars = div.innerHTML; 80 div = null; 81 82 // Add all chars to the table. 83 for ( var i = 0 ; i < chars.length ; i++ ) 84 { 85 var charAt = chars.charAt( i ); 86 table[ charAt ] = '&' + entities[ i ] + ';'; 87 regex.push( charAt ); 88 } 89 90 table.regex = regex.join( '' ); 91 92 return table; 93 } 94 95 CKEDITOR.plugins.add( 'entities', 96 { 97 afterInit : function( editor ) 98 { 99 var config = editor.config; 100 101 if ( !config.entities ) 102 return; 103 104 var dataProcessor = editor.dataProcessor, 105 htmlFilter = dataProcessor && dataProcessor.htmlFilter; 106 107 if ( htmlFilter ) 108 { 109 var selectedEntities = entities; 110 111 if ( config.entities_latin ) 112 selectedEntities += ',' + latin; 113 114 if ( config.entities_greek ) 115 selectedEntities += ',' + greek; 116 117 if ( config.entities_additional ) 118 selectedEntities += ',' + config.entities_additional; 119 120 var entitiesTable = buildTable( selectedEntities ); 121 122 // Create the Regex used to find entities in the text. 123 var entitiesRegex = '[' + entitiesTable.regex + ']'; 124 delete entitiesTable.regex; 125 126 if ( config.entities_processNumerical ) 127 entitiesRegex = '[^ -~]|' + entitiesRegex ; 128 129 entitiesRegex = new RegExp( entitiesRegex, 'g' ); 130 131 function getChar( character ) 132 { 133 return entitiesTable[ character ] || ( '' + character.charCodeAt(0) + ';' ); 134 } 135 136 htmlFilter.addRules( 137 { 138 text : function( text ) 139 { 140 return text.replace( entitiesRegex, getChar ); 141 } 142 }); 143 } 144 } 145 }); 146 })(); 147 148 CKEDITOR.config.entities = true; 149 CKEDITOR.config.entities_latin = true; 150 CKEDITOR.config.entities_greek = true; 151 CKEDITOR.config.entities_processNumerical = false; 152 CKEDITOR.config.entities_additional = '#39'; 153