html5 boiler plate
[scannr.git] / js / flotr2 / examples / lib / codemirror / mode / ntriples / ntriples.js
blob:a/js/flotr2/examples/lib/codemirror/mode/ntriples/ntriples.js -> blob:b/js/flotr2/examples/lib/codemirror/mode/ntriples/ntriples.js
--- a/js/flotr2/examples/lib/codemirror/mode/ntriples/ntriples.js
+++ b/js/flotr2/examples/lib/codemirror/mode/ntriples/ntriples.js
@@ -1,1 +1,173 @@
+/**********************************************************
+* This script provides syntax highlighting support for 
+* the Ntriples format.
+* Ntriples format specification: 
+*     http://www.w3.org/TR/rdf-testcases/#ntriples
+***********************************************************/
 
+/* 
+    The following expression defines the defined ASF grammar transitions.
+
+    pre_subject ->
+        {
+        ( writing_subject_uri | writing_bnode_uri )
+            -> pre_predicate 
+                -> writing_predicate_uri 
+                    -> pre_object 
+                        -> writing_object_uri | writing_object_bnode | 
+                          ( 
+                            writing_object_literal 
+                                -> writing_literal_lang | writing_literal_type
+                          )
+                            -> post_object
+                                -> BEGIN
+         } otherwise {
+             -> ERROR
+         }
+*/
+CodeMirror.defineMode("ntriples", function() {  
+
+  Location = {
+    PRE_SUBJECT         : 0,
+    WRITING_SUB_URI     : 1,
+    WRITING_BNODE_URI   : 2,
+    PRE_PRED            : 3,
+    WRITING_PRED_URI    : 4,
+    PRE_OBJ             : 5,
+    WRITING_OBJ_URI     : 6,
+    WRITING_OBJ_BNODE   : 7,
+    WRITING_OBJ_LITERAL : 8,
+    WRITING_LIT_LANG    : 9,
+    WRITING_LIT_TYPE    : 10,
+    POST_OBJ            : 11,
+    ERROR               : 12
+  };
+  function transitState(currState, c) {
+    var currLocation = currState.location;
+    var ret;
+    
+    // Opening.
+    if     (currLocation == Location.PRE_SUBJECT && c == '<') ret = Location.WRITING_SUB_URI;
+    else if(currLocation == Location.PRE_SUBJECT && c == '_') ret = Location.WRITING_BNODE_URI;
+    else if(currLocation == Location.PRE_PRED    && c == '<') ret = Location.WRITING_PRED_URI;
+    else if(currLocation == Location.PRE_OBJ     && c == '<') ret = Location.WRITING_OBJ_URI;
+    else if(currLocation == Location.PRE_OBJ     && c == '_') ret = Location.WRITING_OBJ_BNODE;
+    else if(currLocation == Location.PRE_OBJ     && c == '"') ret = Location.WRITING_OBJ_LITERAL;
+    
+    // Closing.
+    else if(currLocation == Location.WRITING_SUB_URI     && c == '>') ret = Location.PRE_PRED;
+    else if(currLocation == Location.WRITING_BNODE_URI   && c == ' ') ret = Location.PRE_PRED;
+    else if(currLocation == Location.WRITING_PRED_URI    && c == '>') ret = Location.PRE_OBJ;
+    else if(currLocation == Location.WRITING_OBJ_URI     && c == '>') ret = Location.POST_OBJ;
+    else if(currLocation == Location.WRITING_OBJ_BNODE   && c == ' ') ret = Location.POST_OBJ;
+    else if(currLocation == Location.WRITING_OBJ_LITERAL && c == '"') ret = Location.POST_OBJ;
+    else if(currLocation == Location.WRITING_LIT_LANG && c == ' ') ret = Location.POST_OBJ;
+    else if(currLocation == Location.WRITING_LIT_TYPE && c == '>') ret = Location.POST_OBJ;
+    
+    // Closing typed and language literal.
+    else if(currLocation == Location.WRITING_OBJ_LITERAL && c == '@') ret = Location.WRITING_LIT_LANG;
+    else if(currLocation == Location.WRITING_OBJ_LITERAL && c == '^') ret = Location.WRITING_LIT_TYPE;
+
+    // Spaces.
+    else if( c == ' ' &&                             
+             (
+               currLocation == Location.PRE_SUBJECT || 
+               currLocation == Location.PRE_PRED    || 
+               currLocation == Location.PRE_OBJ     || 
+               currLocation == Location.POST_OBJ
+             )
+           ) ret = currLocation;
+    
+    // Reset.
+    else if(currLocation == Location.POST_OBJ && c == '.') ret = Location.PRE_SUBJECT;    
+    
+    // Error
+    else ret = Location.ERROR;
+    
+    currState.location=ret;
+  }
+
+  untilSpace  = function(c) { return c != ' '; };
+  untilEndURI = function(c) { return c != '>'; };
+  return {
+    startState: function() {
+       return { 
+           location : Location.PRE_SUBJECT,
+           uris     : [],
+           anchors  : [],
+           bnodes   : [],
+           langs    : [],
+           types    : []
+       };
+    },
+    token: function(stream, state) {
+      var ch = stream.next();
+      if(ch == '<') {
+         transitState(state, ch);
+         var parsedURI = '';
+         stream.eatWhile( function(c) { if( c != '#' && c != '>' ) { parsedURI += c; return true; } return false;} );
+         state.uris.push(parsedURI);
+         if( stream.match('#', false) ) return 'variable';
+         stream.next();
+         transitState(state, '>');
+         return 'variable';
+      }
+      if(ch == '#') {
+        var parsedAnchor = '';
+        stream.eatWhile(function(c) { if(c != '>' && c != ' ') { parsedAnchor+= c; return true; } return false});
+        state.anchors.push(parsedAnchor);
+        return 'variable-2';
+      }
+      if(ch == '>') {
+          transitState(state, '>');
+          return 'variable';
+      }
+      if(ch == '_') {
+          transitState(state, ch);
+          var parsedBNode = '';
+          stream.eatWhile(function(c) { if( c != ' ' ) { parsedBNode += c; return true; } return false;});
+          state.bnodes.push(parsedBNode);
+          stream.next();
+          transitState(state, ' ');
+          return 'builtin';
+      }
+      if(ch == '"') {
+          transitState(state, ch);
+          stream.eatWhile( function(c) { return c != '"'; } );
+          stream.next();
+          if( stream.peek() != '@' && stream.peek() != '^' ) {
+              transitState(state, '"');
+          }
+          return 'string';
+      }
+      if( ch == '@' ) {
+          transitState(state, '@');
+          var parsedLang = '';
+          stream.eatWhile(function(c) { if( c != ' ' ) { parsedLang += c; return true; } return false;});
+          state.langs.push(parsedLang);
+          stream.next();
+          transitState(state, ' ');
+          return 'string-2';
+      }
+      if( ch == '^' ) {
+          stream.next();
+          transitState(state, '^');
+          var parsedType = '';
+          stream.eatWhile(function(c) { if( c != '>' ) { parsedType += c; return true; } return false;} );
+          state.types.push(parsedType);
+          stream.next();
+          transitState(state, '>');
+          return 'variable';
+      }
+      if( ch == ' ' ) {
+          transitState(state, ch);
+      }
+      if( ch == '.' ) {
+          transitState(state, ch);
+      }
+    }
+  };
+});
+
+CodeMirror.defineMIME("text/n-triples", "ntriples");
+