FrankerFaceZ/src/ObjectPath.js

String.prototype.tokens=function(h){h=h?h:!1;var a,g,b=0,k=this.length,f,c,e=[],l="and;or;not;in;not in;is;is not;".split(";"),d=function(a,c,d){if(!d)return{type:a,value:c,position:[g,b]}};if(this){for(a=this.charAt(b);a;)if(g=b," ">=a)b+=1,a=this.charAt(b);else if("a"<=a&&"z">=a||"A"<=a&&"Z">=a||"_"==a){c=a;for(b+=1;;)if(a=this.charAt(b),"a"<=a&&"z">=a||"A"<=a&&"Z">=a||"0"<=a&&"9">=a||"_"===a)c+=a,b+=1;else break;0<=l.indexOf(c)?(f=e[e.length-1],"not"===c&&f&&"is"===f.value?(c=d("op","is not"),
c.position[0]=f.position[0],e[e.length-1]=c):"in"===c&&f&&"not"===e[e.length-1].value?(c=d("op","not in"),c.position[0]=f.position[0],e[e.length-1]=c):e.push(d("op",c))):e.push(d("name",c))}else if("0"<=a&&"9">=a){c=a;for(b+=1;;){a=this.charAt(b);if("0">a||"9"<a)break;b+=1;c+=a}if("."===a)for(b+=1,c+=a;;){a=this.charAt(b);if("0">a||"9"<a)break;b+=1;c+=a}if("e"===a||"E"===a){b+=1;c+=a;a=this.charAt(b);if("-"===a||"+"===a)b+=1,c+=a,a=this.charAt(b);("0">a||"9"<a)&&d("number",c,"Bad exponent");do b+=
1,c+=a,a=this.charAt(b);while("0"<=a&&"9">=a)}"a"<=a&&"z">=a&&(c+=a,b+=1,d("number",c,"Bad number"));f=+c;isFinite(f)?e.push(d("number",f)):d("number",c,"Bad number")}else if("'"===a||'"'===a){c="";f=a;for(b+=1;;){a=this.charAt(b);" ">a&&d("str",c,"\n"===a||"\r"===a||""===a?"Unterminated string.":"Control character in string.",d("",c));if(a===f)break;if("\\"===a)switch(b+=1,b>=k&&d("str",c,"Unterminated string"),a=this.charAt(b),a){case "b":a="\b";break;case "f":a="\f";break;case "n":a="\n";break;
case "r":a="\r";break;case "t":a="\t";break;case "u":b>=k&&d("str",c,"Unterminated string"),a=parseInt(this.substr(b+1,4),16),(!isFinite(a)||0>a)&&d("str",c,"Unterminated string"),a=String.fromCharCode(a),b+=4}c+=a;b+=1}b+=1;e.push(d("str",c));a=this.charAt(b)}else 0<="<>.".indexOf(a)?(c=a,b+=1,a=this.charAt(b),"<"===c&&"="===a?c="<=":">"===c&&"="===a?c=">=":"."===c&&"."===a&&(c=".."),1<c.length&&(b+=1,a=this.charAt(b)),e.push(d("op",c))):(b+=1,"$"===a?e.push(d("(root)",a)):"@"===a?e.push(d("(current)",
a)):"!"===a?e.push(d("(context)",a)):0<="+-*/%<>:[,]{}:()".indexOf(a)?e.push(d("op",a)):d("op",a,a+" is not an ObjectPath operator!"),a=this.charAt(b));h&&clog("}tokens with",e);return e}};
var makeTree=function(){var h={},e,n,l,u=["true","t"],v=["false","f"],w=["none","null","n","nil"],m=function(){return this},f=function(a){var b,c,d;a&&e.id!==a&&e.error("Expected '"+a+"', got '"+e.id+"'.");if(l>=n.length)e=h["(end)"];else return c=n[l],l+=1,d=c.value,a=c.type,"name"===a?(0<=v.indexOf(d.toLowerCase())&&(d="false"),0<=u.indexOf(d.toLowerCase())&&(d="true"),0<=w.indexOf(d.toLowerCase())&&(d="null"),(b=h[d])||(b=h["(name)"])):"(root)"===a?b=h["(root)"]:"(current)"===a?b=h["(current)"]:
"(context)"===a?b=h["(context)"]:"op"===a?(b=h[d])||c.error("Unknown operator."):"str"===a||"number"===a?(b=h["(literal)"],a="literal"):c.error("Unexpected token."),e=Object.create(b),e.position=c.position,e.value=d,e.arity=a,e.error=function(a){},e},k=function(a){var b,c=e;a="undefined"===typeof a?0:a;f();for(b=c.nud();a<e.lbp;)c=e,f(),b=c.led(b);return b},x={nud:function(){this.error("Undefined nud().")},led:function(a){this.error("Missing operator.")}},d=function(a,b){var c=h[a];b=b||0;c?b>=c.lbp&&
(c.lbp=b):(c=Object.create(x),c.id=c.value=a,c.lbp=b,h[a]=c);return c},p=function(a,b){var c=d(a);c.nud=function(){this.value=h[this.id].value;this.arity="literal";this.id="(literal)";return this};c.value=b;return c},g=function(a,b,c){a=d(a,b);a.led=c||function(a){this.first=a;this.second=k(b);this.arity="binary";return this};return a},r=function(a,b,c){a=d(a,b);a.led=c||function(a){this.first=a;this.second=k(b-1);this.arity="binary";return this};return a},q=function(a,b,c){a=d(a);a.nud=c||function(){this.first=
k(b);this.arity="unary";return this};return a},t=function(a){this.first=a;0>["(name)","*"].indexOf(e.id)&&SyntaxError("Expected an attribute name.");"*"===e.id&&(e.arity="wildcard");this.second=e;f();return this};d("(end)");d("(name)").nud=m;d("(literal)").nud=m;d("(root)").nud=m;d("(current)").nud=m;d("(context)").nud=m;d(":");d(",");p("true",!0);p("false",!1);p("null",null);r("or",30);r("and",40);q("not",50);g(":",120);g("in",60);g("not in",60);g("is",60);g("is not",60);g("<",60);g("<=",60);g(">",
60);g(">=",60);g("+",110);g("-",110);g("*",120);g("/",120);g("%",120);q("-",130);q("+",130);d(".",150).led=t;d("..",150).led=t;d("]");g("[",150,function(a){this.first=a;this.second=k(0);this.arity="binary";f("]");return this});d("[").led=function(a){this.first=a;this.second=k();f("]");return this};d("[").nud=function(){var a=[];if("]"!==e.id)for(;;){a.push(k());if(","!==e.id)break;f(",")}f("]");this.first=a;this.arity="unary";return this};d(")");d("(",150).led=function(a){var b=[];this.arity="binary";
this.id="fn";this.first=a.value;if(")"!==e.id)for(;;){b.push(k());if(","!==e.id)break;f(",")}f(")");this.second=b;return this};d("(",150).nud=function(){var a=k();f(")");return a};d("}");d("{").nud=function(){var a=[],b,c;if("}"!==e.id)for(;;){b=k();f(":");c=k();c.key=b;a.push(c);if(","!==e.id)break;f(",")}f("}");this.first=a;this.arity="unary";return this};return function(a,b){var c=this.D=b&&b.debug||!1;n="string"===typeof a?a.tokens(c):a;l=0;f();c=k();f("(end)");return c}},parse=makeTree();
module.exports = ObjectPath=function(a,h){this.exprCache=[];this._init_(a,h);return this};
ObjectPath.prototype={D:!1,current:null,data:null,SELECTOR_OPS:"is;>;<;is not;>=;<=;in;not in;:;and;or".split(";"),simpleTypes:["string","number"],_init_:function(a,h){this.setData(a);h&&this.setDebug(h.debug||this.D)},setCurrent:function(a){this.current=a},resetCurrent:function(){this.current=null},setContext:function(a){this.context=a},compile:function(a){return this.exprCache.hasOwnProperty(a)?this.exprCache[a]:this.exprCache[a]=parse.call(this,a,{debug:this.D})},setData:function(a){return 0>["object",
"array"].indexOf(typeof a)?(this.log(a+" is not object nor array! Data not changed."),a):this.data=a},setDebug:function(a){this.D=a},flatten:function(a){var h=[],l=function(a){if(Array.isArray(a))for(var g=0;g<a.length;g++)l(a[g]);else if("object"===typeof a)for(g in h.push(a),a)l(a[g])};l(a);return h},execute:function(a){var h=this,l=this.flatten,m=this.simpleTypes,g,f=function(b){if(Array.isArray(b)){for(var c=[],e=0;e<b.length;e++)c.push(f(b[e]));return c}var a=b.id;if(0<="+;-;*;%;/;>;>=;<;<=;in;not in;is;is not".split(";").indexOf(b.id))var c=
"object"===typeof b.first&&b.first.id?f(b.first):null,d="object"===typeof b.second&&b.second.id?f(b.second):null,g=typeof c,k=typeof d;switch(a){case "(literal)":return b.value;case "+":if("number"===g&&"number"!==k)d=parseInt(d);else if(Array.isArray(c)){if(Array.isArray(d))return c.concat(d);c.push(d)}return c+d;case "-":return d?c-d:-c;case "*":return"wildcard"!=b.arity?c*d:null;case "%":return c%d;case "/":return c/d;case ">":return c>d;case "<":return c<d;case ">=":return c>=d;case "<=":return c<=
d;case "not":return!f(b.first);case "or":return f(b.first)||f(b.second);case "and":return f(b.first)&&f(b.second);case "in":case "not in":return e=null,"string"===k?e=0<=d.search(c.toString()):Array.isArray(d)?e=0<=d.indexOf(c):"object"===k&&(e=d.hasOwnProperty(c)),"in"===a?e:!e;case "is":case "is not":e=null;if(0<=m.indexOf(g))e=c==d;else if("array"===g||"object"===g)try{throw e=JSON.stringify(c)==JSON.stringify(d),{name:"comparison Error",message:"JSONStringifyNotAvailable. Your web browser doesn't support JSON.stringify(). Vote for support at"};
}catch(n){}return"is"===a?e:!e;case "(root)":return h.data;case "(current)":return h.current;case "(context)":return h.context;case ":":return b;case "(name)":return b.value;case "[":if("unary"===b.arity){a=[];for(e in b.first)a.push(f(b.first[e]));return a}if("op"===b.arity){c=f(b.first);if(!c)return c;if("string"===typeof c||Array.isArray(c)){d=f(b.second);k=typeof d;if(d&&":"===d.id)return c.slice(f(d.first),f(d.second));if("number"===k)return-1===d?c.slice(-1)[0]:0>d?c.slice(d,d+1)[0]:c[d];if("string"===
k){a=[];for(e=0;e<c.length;e++)c[e][d]&&a.push(c[e][d]);return a}if("object"===typeof b.second&&0<=h.SELECTOR_OPS.indexOf(b.second.id)){b=b.second;a=[];b=Object.create(b);for(e in c)d=c[e],h.current=d,b.first=d,f(b)&&a.push(d);return a}programmingError("left is array and right is not number")}else if("object"===g&&("(name)"===b.second.id||"string"===k))return c[d];return 1}return null;case "(":switch(b.first.value){case "str":return e=f(b.second),"object"===typeof e?JSON.stringify(e):e.toString}return null;
case "{":case "":throw{error:"NotImplementedYet",message:a+" is not implemented yet!",data:b};case "..":c=l(f(b.first));case ".":c=c||f(b.first);if("*"===b.second.id)return c;if(c){if(Array.isArray(c)){a=[];d=f(b.second);for(e=0;e<c.length;e++)c[e][d]&&a.push(c[e][d]);return a}return c[b.second.value]}return null;case "fn":switch(b.first){case "float":case "int":return parseFloat(f(b.second));case "str":return f(b.second).toString();case "array":return e=f(b.second),Array.isArray(e[0])?e[0]:"string"===
typeof e[0]?e[0].split(""):[];case "replace":return a=f(b.second),a[0]?a[0].replace(new RegExp(a[1],"g"),a[2]):"";case "join":a=f(b.second);try{return a[0].join(a[1])}catch(p){return null}case "split":return a=f(b.second),a[0]?a[0].split(a[1]):"";case "max":return Math.max.apply(null,f(b.second)[0]);case "min":return Math.min.apply(null,f(b.second)[0])}throw{error:"WrongFunction",message:"Function "+a+" is not proper ObjectPath function.",data:b};}throw{error:"WrongOperator",message:"Operator "+a+
" is not proper ObjectPath operator.",data:b};};if(!a)return a;"string"===typeof a&&(g=this.compile(a));return f(g)}};