ntriples.js (7041B)
1 // CodeMirror, copyright (c) by Marijn Haverbeke and others 2 // Distributed under an MIT license: http://codemirror.net/LICENSE 3 4 /********************************************************** 5 * This script provides syntax highlighting support for 6 * the N-Triples format. 7 * N-Triples format specification: 8 * https://www.w3.org/TR/n-triples/ 9 ***********************************************************/ 10 11 /* 12 The following expression defines the defined ASF grammar transitions. 13 14 pre_subject -> 15 { 16 ( writing_subject_uri | writing_bnode_uri ) 17 -> pre_predicate 18 -> writing_predicate_uri 19 -> pre_object 20 -> writing_object_uri | writing_object_bnode | 21 ( 22 writing_object_literal 23 -> writing_literal_lang | writing_literal_type 24 ) 25 -> post_object 26 -> BEGIN 27 } otherwise { 28 -> ERROR 29 } 30 */ 31 32 (function(mod) { 33 if (typeof exports == "object" && typeof module == "object") // CommonJS 34 mod(require("../../lib/codemirror")); 35 else if (typeof define == "function" && define.amd) // AMD 36 define(["../../lib/codemirror"], mod); 37 else // Plain browser env 38 mod(CodeMirror); 39 })(function(CodeMirror) { 40 "use strict"; 41 42 CodeMirror.defineMode("ntriples", function() { 43 44 var Location = { 45 PRE_SUBJECT : 0, 46 WRITING_SUB_URI : 1, 47 WRITING_BNODE_URI : 2, 48 PRE_PRED : 3, 49 WRITING_PRED_URI : 4, 50 PRE_OBJ : 5, 51 WRITING_OBJ_URI : 6, 52 WRITING_OBJ_BNODE : 7, 53 WRITING_OBJ_LITERAL : 8, 54 WRITING_LIT_LANG : 9, 55 WRITING_LIT_TYPE : 10, 56 POST_OBJ : 11, 57 ERROR : 12 58 }; 59 function transitState(currState, c) { 60 var currLocation = currState.location; 61 var ret; 62 63 // Opening. 64 if (currLocation == Location.PRE_SUBJECT && c == '<') ret = Location.WRITING_SUB_URI; 65 else if(currLocation == Location.PRE_SUBJECT && c == '_') ret = Location.WRITING_BNODE_URI; 66 else if(currLocation == Location.PRE_PRED && c == '<') ret = Location.WRITING_PRED_URI; 67 else if(currLocation == Location.PRE_OBJ && c == '<') ret = Location.WRITING_OBJ_URI; 68 else if(currLocation == Location.PRE_OBJ && c == '_') ret = Location.WRITING_OBJ_BNODE; 69 else if(currLocation == Location.PRE_OBJ && c == '"') ret = Location.WRITING_OBJ_LITERAL; 70 71 // Closing. 72 else if(currLocation == Location.WRITING_SUB_URI && c == '>') ret = Location.PRE_PRED; 73 else if(currLocation == Location.WRITING_BNODE_URI && c == ' ') ret = Location.PRE_PRED; 74 else if(currLocation == Location.WRITING_PRED_URI && c == '>') ret = Location.PRE_OBJ; 75 else if(currLocation == Location.WRITING_OBJ_URI && c == '>') ret = Location.POST_OBJ; 76 else if(currLocation == Location.WRITING_OBJ_BNODE && c == ' ') ret = Location.POST_OBJ; 77 else if(currLocation == Location.WRITING_OBJ_LITERAL && c == '"') ret = Location.POST_OBJ; 78 else if(currLocation == Location.WRITING_LIT_LANG && c == ' ') ret = Location.POST_OBJ; 79 else if(currLocation == Location.WRITING_LIT_TYPE && c == '>') ret = Location.POST_OBJ; 80 81 // Closing typed and language literal. 82 else if(currLocation == Location.WRITING_OBJ_LITERAL && c == '@') ret = Location.WRITING_LIT_LANG; 83 else if(currLocation == Location.WRITING_OBJ_LITERAL && c == '^') ret = Location.WRITING_LIT_TYPE; 84 85 // Spaces. 86 else if( c == ' ' && 87 ( 88 currLocation == Location.PRE_SUBJECT || 89 currLocation == Location.PRE_PRED || 90 currLocation == Location.PRE_OBJ || 91 currLocation == Location.POST_OBJ 92 ) 93 ) ret = currLocation; 94 95 // Reset. 96 else if(currLocation == Location.POST_OBJ && c == '.') ret = Location.PRE_SUBJECT; 97 98 // Error 99 else ret = Location.ERROR; 100 101 currState.location=ret; 102 } 103 104 return { 105 startState: function() { 106 return { 107 location : Location.PRE_SUBJECT, 108 uris : [], 109 anchors : [], 110 bnodes : [], 111 langs : [], 112 types : [] 113 }; 114 }, 115 token: function(stream, state) { 116 var ch = stream.next(); 117 if(ch == '<') { 118 transitState(state, ch); 119 var parsedURI = ''; 120 stream.eatWhile( function(c) { if( c != '#' && c != '>' ) { parsedURI += c; return true; } return false;} ); 121 state.uris.push(parsedURI); 122 if( stream.match('#', false) ) return 'variable'; 123 stream.next(); 124 transitState(state, '>'); 125 return 'variable'; 126 } 127 if(ch == '#') { 128 var parsedAnchor = ''; 129 stream.eatWhile(function(c) { if(c != '>' && c != ' ') { parsedAnchor+= c; return true; } return false;}); 130 state.anchors.push(parsedAnchor); 131 return 'variable-2'; 132 } 133 if(ch == '>') { 134 transitState(state, '>'); 135 return 'variable'; 136 } 137 if(ch == '_') { 138 transitState(state, ch); 139 var parsedBNode = ''; 140 stream.eatWhile(function(c) { if( c != ' ' ) { parsedBNode += c; return true; } return false;}); 141 state.bnodes.push(parsedBNode); 142 stream.next(); 143 transitState(state, ' '); 144 return 'builtin'; 145 } 146 if(ch == '"') { 147 transitState(state, ch); 148 stream.eatWhile( function(c) { return c != '"'; } ); 149 stream.next(); 150 if( stream.peek() != '@' && stream.peek() != '^' ) { 151 transitState(state, '"'); 152 } 153 return 'string'; 154 } 155 if( ch == '@' ) { 156 transitState(state, '@'); 157 var parsedLang = ''; 158 stream.eatWhile(function(c) { if( c != ' ' ) { parsedLang += c; return true; } return false;}); 159 state.langs.push(parsedLang); 160 stream.next(); 161 transitState(state, ' '); 162 return 'string-2'; 163 } 164 if( ch == '^' ) { 165 stream.next(); 166 transitState(state, '^'); 167 var parsedType = ''; 168 stream.eatWhile(function(c) { if( c != '>' ) { parsedType += c; return true; } return false;} ); 169 state.types.push(parsedType); 170 stream.next(); 171 transitState(state, '>'); 172 return 'variable'; 173 } 174 if( ch == ' ' ) { 175 transitState(state, ch); 176 } 177 if( ch == '.' ) { 178 transitState(state, ch); 179 } 180 } 181 }; 182 }); 183 184 // define the registered Media Type for n-triples: 185 // https://www.w3.org/TR/n-triples/#n-triples-mediatype 186 CodeMirror.defineMIME("application/n-triples", "ntriples"); 187 188 // N-Quads is based on the N-Triples format (so same highlighting works) 189 // https://www.w3.org/TR/n-quads/ 190 CodeMirror.defineMIME("application/n-quads", "ntriples"); 191 192 // previously used, though technically incorrect media type for n-triples 193 CodeMirror.defineMIME("text/n-triples", "ntriples"); 194 195 });