%PDF-
%PDF-
Mini Shell
Mini Shell
(function(context){var Lazy=context.Lazy;if(typeof Lazy==="undefined"&&typeof require==="function"){Lazy=require("../lazy.js")}function JsonSequence(json){this.json=json}JsonSequence.prototype=new Lazy.Sequence;JsonSequence.prototype.getIterator=function(){return new JsonIterator(this.json)};var NumberPattern=/^\d+(?:\.\d+)?$/,BooleanPattern=/^(?:true|false)$/,NullPattern=/^null$/;function JsonIterator(json){this.json=json;this.position=0;this.tokenMatcher=/[":,\[\]\{\}]|\d+(?:\.\d+)?|true|false|null|\b./g;this.moveNext=this.firstMoveNext}JsonIterator.prototype.current=function(){return this.currentValue};JsonIterator.prototype.firstMoveNext=function(){this.expectToken("[");return this.readValue()};JsonIterator.prototype.readValue=function(){var match=this.tokenMatcher.exec(this.json);if(!match){this.unexpectedEOS()}var token=match[0];if(token==="]"){return false}this.position=match.index+token.length;if(token==='"'){this.currentValue=this.readString()}else if(token==="["){this.currentValue=this.readArray()}else if(token==="{"){this.currentValue=this.readObject()}else if(NumberPattern.test(token)){this.currentValue=Number(token)}else if(NullPattern.test(token)){this.currentValue=null}else if(BooleanPattern.test(token)){this.currentValue=token==="true"}else{this.unexpectedToken(match)}this.moveNext=this.readAnotherValue;return true};JsonIterator.prototype.readString=function(fromPosition){var json=this.json,tokenMatcher=this.tokenMatcher,position=typeof fromPosition==="number"?fromPosition:this.position,match,string;while(match=tokenMatcher.exec(json)){if(match[0]==='"'&&json.charAt(match.index-1)!=="\\"){return json.substring(position,match.index).replace(/\\(.)/g,"$1")}}this.unexpectedEOS()};JsonIterator.prototype.readArray=function(fromPosition){var json=this.json,tokenMatcher=this.tokenMatcher,position=typeof fromPosition==="number"?fromPosition:this.position,openBrackets=1,match,string;while(openBrackets>0&&(match=tokenMatcher.exec(json))){switch(match[0]){case'"':this.readString(match.index+1);break;case"[":++openBrackets;break;case"]":--openBrackets;break}}if(openBrackets===0){return JSON.parse(json.substring(position-1,match.index+1))}this.unexpectedEOS()};JsonIterator.prototype.readObject=function(){var json=this.json,tokenMatcher=this.tokenMatcher,openBraces=1,expecting=['"',"}"],state="key",match,string;while(openBraces>0&&(match=tokenMatcher.exec(json))){if(expecting&&!this.tokenIsExpected(match[0],expecting)){this.unexpectedToken(match,expecting)}switch(match[0]){case'"':this.readString(match.index+1);expecting=state==="key"?":":[",","}"];break;case"[":this.readArray(match.index+1);expecting=[",","}"];break;case":":state="value";expecting=null;break;case",":state="key";expecting='"';break;case"{":state="key";expecting='"';++openBraces;break;case"}":expecting=[",","}"];--openBraces;break}}if(openBraces===0){return JSON.parse(json.substring(this.position-1,match.index+1))}this.unexpectedEOS()};JsonIterator.prototype.readAnotherValue=function(){var separator=this.expectToken([",","]"]);if(separator==="]"){return false}return this.readValue()};JsonIterator.prototype.expectToken=function(expectation){var match=this.tokenMatcher.exec(this.json);if(!match){this.unexpectedEOS()}var token=match[0];if(!this.tokenIsExpected(token,expectation)){this.unexpectedToken(match,expectation)}return token};JsonIterator.prototype.tokenIsExpected=function(token,expectation){if(typeof expectation==="string"){return token===expectation}for(var i=0;i<expectation.length;++i){if(token===expectation[i]){return true}}return false};JsonIterator.prototype.unexpectedToken=function(match,expectation){var errorMessage=typeof match==="object"?"Unexpected token "+match[0]+" at "+match.index:"Unexpected token "+match;if(expectation){if(typeof expectation==="string"){expectation=[expectation]}errorMessage+=" (expected one of: "+expectation.join(" ")+")"}throw new SyntaxError(errorMessage)};JsonIterator.prototype.unexpectedEOS=function(){throw new SyntaxError("Unexpected end of input: "+JSON.stringify(this.json.substring(this.position)))};Lazy.parseJSON=function(json){return new JsonSequence(json)};if(typeof module==="object"&&module&&module.exports){module.exports=Lazy}})(typeof global!=="undefined"?global:this);
Zerion Mini Shell 1.0