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// CodeMirror, copyright (c) by Marijn Haverbeke and others
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// Distributed under an MIT license: http://codemirror.net/LICENSE
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/**********************************************************
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* This script provides syntax highlighting support for
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* the Ntriples format.
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* Ntriples format specification:
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* http://www.w3.org/TR/rdf-testcases/#ntriples
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***********************************************************/
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/*
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The following expression defines the defined ASF grammar transitions.
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pre_subject ->
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{
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( writing_subject_uri | writing_bnode_uri )
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-> pre_predicate
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-> writing_predicate_uri
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-> pre_object
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-> writing_object_uri | writing_object_bnode |
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(
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writing_object_literal
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-> writing_literal_lang | writing_literal_type
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)
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-> post_object
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-> BEGIN
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} otherwise {
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-> ERROR
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}
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*/
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(function(mod) {
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if (typeof exports == "object" && typeof module == "object") // CommonJS
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mod(require("../../lib/codemirror"));
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else if (typeof define == "function" && define.amd) // AMD
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define(["../../lib/codemirror"], mod);
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else // Plain browser env
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mod(CodeMirror);
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})(function(CodeMirror) {
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"use strict";
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CodeMirror.defineMode("ntriples", function() {
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var Location = {
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PRE_SUBJECT : 0,
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WRITING_SUB_URI : 1,
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WRITING_BNODE_URI : 2,
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PRE_PRED : 3,
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WRITING_PRED_URI : 4,
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PRE_OBJ : 5,
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WRITING_OBJ_URI : 6,
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WRITING_OBJ_BNODE : 7,
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WRITING_OBJ_LITERAL : 8,
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WRITING_LIT_LANG : 9,
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WRITING_LIT_TYPE : 10,
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POST_OBJ : 11,
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ERROR : 12
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};
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function transitState(currState, c) {
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var currLocation = currState.location;
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var ret;
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// Opening.
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if (currLocation == Location.PRE_SUBJECT && c == '<') ret = Location.WRITING_SUB_URI;
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else if(currLocation == Location.PRE_SUBJECT && c == '_') ret = Location.WRITING_BNODE_URI;
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else if(currLocation == Location.PRE_PRED && c == '<') ret = Location.WRITING_PRED_URI;
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else if(currLocation == Location.PRE_OBJ && c == '<') ret = Location.WRITING_OBJ_URI;
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else if(currLocation == Location.PRE_OBJ && c == '_') ret = Location.WRITING_OBJ_BNODE;
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else if(currLocation == Location.PRE_OBJ && c == '"') ret = Location.WRITING_OBJ_LITERAL;
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// Closing.
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else if(currLocation == Location.WRITING_SUB_URI && c == '>') ret = Location.PRE_PRED;
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else if(currLocation == Location.WRITING_BNODE_URI && c == ' ') ret = Location.PRE_PRED;
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else if(currLocation == Location.WRITING_PRED_URI && c == '>') ret = Location.PRE_OBJ;
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else if(currLocation == Location.WRITING_OBJ_URI && c == '>') ret = Location.POST_OBJ;
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else if(currLocation == Location.WRITING_OBJ_BNODE && c == ' ') ret = Location.POST_OBJ;
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else if(currLocation == Location.WRITING_OBJ_LITERAL && c == '"') ret = Location.POST_OBJ;
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else if(currLocation == Location.WRITING_LIT_LANG && c == ' ') ret = Location.POST_OBJ;
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else if(currLocation == Location.WRITING_LIT_TYPE && c == '>') ret = Location.POST_OBJ;
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// Closing typed and language literal.
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else if(currLocation == Location.WRITING_OBJ_LITERAL && c == '@') ret = Location.WRITING_LIT_LANG;
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else if(currLocation == Location.WRITING_OBJ_LITERAL && c == '^') ret = Location.WRITING_LIT_TYPE;
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// Spaces.
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else if( c == ' ' &&
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(
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currLocation == Location.PRE_SUBJECT ||
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currLocation == Location.PRE_PRED ||
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currLocation == Location.PRE_OBJ ||
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currLocation == Location.POST_OBJ
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)
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) ret = currLocation;
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// Reset.
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else if(currLocation == Location.POST_OBJ && c == '.') ret = Location.PRE_SUBJECT;
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// Error
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else ret = Location.ERROR;
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currState.location=ret;
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}
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return {
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startState: function() {
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return {
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location : Location.PRE_SUBJECT,
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uris : [],
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anchors : [],
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bnodes : [],
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langs : [],
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types : []
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};
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},
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token: function(stream, state) {
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var ch = stream.next();
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if(ch == '<') {
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transitState(state, ch);
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var parsedURI = '';
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stream.eatWhile( function(c) { if( c != '#' && c != '>' ) { parsedURI += c; return true; } return false;} );
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state.uris.push(parsedURI);
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if( stream.match('#', false) ) return 'variable';
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stream.next();
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transitState(state, '>');
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return 'variable';
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}
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if(ch == '#') {
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var parsedAnchor = '';
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stream.eatWhile(function(c) { if(c != '>' && c != ' ') { parsedAnchor+= c; return true; } return false;});
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state.anchors.push(parsedAnchor);
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return 'variable-2';
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}
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if(ch == '>') {
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transitState(state, '>');
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return 'variable';
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}
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if(ch == '_') {
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transitState(state, ch);
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var parsedBNode = '';
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stream.eatWhile(function(c) { if( c != ' ' ) { parsedBNode += c; return true; } return false;});
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state.bnodes.push(parsedBNode);
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stream.next();
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transitState(state, ' ');
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return 'builtin';
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}
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if(ch == '"') {
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transitState(state, ch);
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stream.eatWhile( function(c) { return c != '"'; } );
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stream.next();
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if( stream.peek() != '@' && stream.peek() != '^' ) {
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transitState(state, '"');
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}
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return 'string';
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}
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if( ch == '@' ) {
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transitState(state, '@');
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var parsedLang = '';
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stream.eatWhile(function(c) { if( c != ' ' ) { parsedLang += c; return true; } return false;});
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state.langs.push(parsedLang);
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stream.next();
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transitState(state, ' ');
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return 'string-2';
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}
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if( ch == '^' ) {
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stream.next();
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transitState(state, '^');
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var parsedType = '';
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stream.eatWhile(function(c) { if( c != '>' ) { parsedType += c; return true; } return false;} );
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state.types.push(parsedType);
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stream.next();
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transitState(state, '>');
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return 'variable';
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}
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if( ch == ' ' ) {
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transitState(state, ch);
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}
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if( ch == '.' ) {
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transitState(state, ch);
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}
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}
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};
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});
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CodeMirror.defineMIME("text/n-triples", "ntriples");
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});
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