Natural Language Programming

Subject verb Object.html

<script>
'use strict';

var SVO=(function(){//TODO: remove periods and punctuation, not case-sensitive

  var subjects={},
      verbs={},
      objects={};

  return {//verb gets called with this as subject passing object as parameter
      addSubject:function(identifier,obj){
          if (identifier.indexOf(' ')!=-1 || identifier.indexOf('.')!=-1) {throw 'Subjects cannot contain spaces or periods';}
          identifier=identifier.toLowerCase();
          Object.defineProperty(subjects,identifier,{value:obj, configurable:true, writable:true, enumerable:true});
      },
      addVerb:function(identifier,func){
          if (identifier.indexOf(' ')!=-1 || identifier.indexOf('.')!=-1) {throw 'Verbs cannot contain spaces or periods';}
          identifier=identifier.toLowerCase();
          Object.defineProperty(verbs,identifier,{value:func, configurable:true, writable:true, enumerable:true});
      },
      addObject:function(identifier,obj){
          if (identifier.indexOf(' ')!=-1 || identifier.indexOf('.')!=-1) {throw 'Objectss cannot contain spaces or periods';}
          identifier=identifier.toLowerCase();
          Object.defineProperty(objects,identifier,{value:obj, configurable:true, writable:true, enumerable:true});
      },

      Sentence:(function(){

          var parsed;

          var parse=function(string){
              string=string.toLowerCase();
              parsed=string.split('.');
              if (parsed[parsed.length-1]=="") {parsed.splice(parsed.length-1,1);}//final period
              for (var i in parsed){
                  parsed[i]=parsed[i].split(' ');
              }
          }

          var getWord=function(SVO){
                  switch (SVO){
                      case 'subject':
                          var words=subjects;
                          break;
                      case 'verb':
                          var words=verbs;
                          break;
                      case 'object':
                          var words=objects;
                          break;
                  };

                  var wordArray=Object.keys(words);

                  for (var i=0; i<parsed[sentenceIndex].length; i++){
                      for (var ii in wordArray){
                          if (parsed[sentenceIndex][i]===wordArray[ii]){
                              parsed[sentenceIndex].splice(i,1);//get rid of word in array
                              return words[wordArray[ii]];
                          }
                      }

                  }

                  throw 'no '+SVO+' found';
          }

          var sentenceIndex=0;//what sentence were on
          
          var go=function(){
              var subject=getWord('subject'),
                  verb=getWord('verb'),
                  object=getWord('object');
              verb.call(subject,object);
              if (sentenceIndex<parsed.length-1) {sentenceIndex++; go();}
          }
          
          return function(string){
              sentenceIndex=0;
              parse(string);
              go();
          };
      }())

  };
}());


    //TESTS
    var track;
    SVO.addSubject("Spencer",track={cash:0});//track for debug use only
    SVO.addVerb("found",function(object){this.cash+=object.cash;});
    SVO.addObject("money",{cash:500});

    alert('Spencer has '+track.cash+' dollars');
    SVO.Sentence("Spencer has found some money. Spencer found money money money yeaaaah!!!!!!!.Money has been found by spencer. Spencer Spencer money found.");//<--------The Good line
    alert("Spencer found some money.");
    alert('Spencer has '+track.cash+' dollars');
    

</script>