File modules/editor/codemirror/mode/ntriples/ntriples.js

Last commit: Sun Dec 17 01:14:09 2017 +0100	Jan Dankert	Integration eines weiteren Code-Editors: Codemirror. Demnächst müssen wir hier mal aufräumen und andere Editoren rauswerfen.


     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 });



Download modules/editor/codemirror/mode/ntriples/ntriples.js


History
Sun, 17 Dec 2017 01:14:09 +0100	Jan Dankert	Integration eines weiteren Code-Editors: Codemirror. Demnächst müssen wir hier mal aufräumen und andere Editoren rauswerfen.