yaml.js


1

var Yaml=function(){};Yaml.prototype={spec:"1.2",setSpecVersion:function(a){if(a!="1.1"&&a!="1.2"){throw new InvalidArgumentException("Version "+a+" of the YAML specifications is not supported")}this.spec=a},getSpecVersion:function(){return this.spec},loadFile:function(a,b){if(b==undefined){input=this.getFileContents(a);return this.load(input)}this.getFileContents(a,function(c){b(new Yaml().load(c))})},load:function(a){var c=new YamlParser();var b=null;try{b=c.parse(a)}catch(d){if(d.name!=undefined&&d.name.toString=="TypeError"){throw d}throw"Syntax error: "+d.message}return b},dump:function(b,a){if(a==undefined){a=2}yaml=new YamlDumper();return yaml.dump(b,a)},getXHR:function(){if(window.XMLHttpRequest){return new XMLHttpRequest()}if(window.ActiveXObject){var c=["Msxml2.XMLHTTP.6.0","Msxml2.XMLHTTP.3.0","Msxml2.XMLHTTP","Microsoft.XMLHTTP"];for(var a=0;a<4;a++){try{return new ActiveXObject(c[a])}catch(b){}}}return null},getFileContents:function(a,c){var b=this.getXHR();if(c==undefined){b.open("GET",a,false);b.send(null);if(b.status==200||b.status==0){return b.responseText}return null}b.onreadystatechange=function(){if(b.readyState==4){if(b.status==200||b.status==0){c(b.responseText)}else{c(null)}}};b.open("GET",a,true);b.send(null)}};var YAML={encode:function(a){return new Yaml().dump(a)},decode:function(a){return new Yaml().load(a)},load:function(a,b){return new Yaml().loadFile(a,b)}};if(typeof(InvalidArgumentException)=="undefined"){InvalidArgumentException=function(a){this.name="InvalidArgumentException";this.message=a}};var YamlInline=function(){};YamlInline.prototype={i:null,load:function(b){var a=null;b=this.trim(b);if(0==b.length){return""}switch(b.charAt(0)){case"[":a=this.parseSequence(b);break;case"{":a=this.parseMapping(b);break;default:a=this.parseScalar(b)}return a},dump:function(d){var b;var a;var c=new Yaml();if("1.1"==c.getSpecVersion()){b=["true","on","+","yes","y"];a=["false","off","-","no","n"]}else{b=["true"];a=["false"]}if(typeof(d)=="object"&&null!=d){return this.dumpObject(d)}if(undefined==d||null==d){return"null"}if(typeof(d)=="boolean"){return d?"true":"false"}if(/^\d+/.test(d)){return typeof(d)=="string"?"'"+d+"'":parseInt(d)}if(this.isNumeric(d)){return typeof(d)=="string"?"'"+d+"'":parseFloat(d)}if(typeof(d)=="number"){return d==Infinity?".Inf":(d==-Infinity?"-.Inf":(isNaN(d)?".NAN":d))}if((d+"").indexOf("\n")!=-1||(d+"").indexOf("\r")!=-1){return'"'+d.split('"').join('\\"').split("\n").join("\\n").split("\r").join("\\r")+'"'}if((/[\s\'"\:\{\}\[\],&\*\#\?]/.test(d))||(/^[-?|<>=!%@`]/.test(d))){return"'"+d.split("'").join("''")+"'"}if(""==d){return"''"}if(this.getTimestampRegex().test(d)){return"'"+d+"'"}if(this.inArray(d.toLowerCase(),b)){return"'"+d+"'"}if(this.inArray(d.toLowerCase(),a)){return"'"+d+"'"}if(this.inArray(d.toLowerCase(),["null","~"])){return"'"+d+"'"}return d},dumpObject:function(e){var d=this.getKeys(e);var b=null;var c;var a=d.length;if(e instanceof Array){b=[];for(c=0;c<a;c++){b.push(this.dump(e[d[c]]))}return"["+b.join(", ")+"]"}b=[];for(c=0;c<a;c++){b.push(this.dump(d[c])+": "+this.dump(e[d[c]]))}return"{ "+b.join(", ")+" }"},parseScalar:function(b,g,e,d,f){if(g==undefined){g=null}if(e==undefined){e=['"',"'"]}if(d==undefined){d=0}if(f==undefined){f=true}var a=null;var h=null;var c=null;if(this.inArray(b[d],e)){a=this.parseQuotedScalar(b,d);d=this.i}else{if(!g){a=(b+"").substring(d);d+=a.length;h=a.indexOf(" #");if(h!=-1){a=a.substr(0,h).replace(/\s+$/g,"")}}else{if(c=new RegExp("^(.+?)("+g.join("|")+")").exec((b+"").substring(d))){a=c[1];d+=a.length}else{throw new InvalidArgumentException("Malformed inline YAML string ("+b+").")}}a=f?this.evaluateScalar(a):a}this.i=d;return a},parseQuotedScalar:function(b,d){var c=null;if(!(c=new RegExp("^"+YamlInline.REGEX_QUOTED_STRING).exec((b+"").substring(d)))){throw new InvalidArgumentException("Malformed inline YAML string ("+(b+"").substring(d)+").")}var a=c[0].substr(1,c[0].length-2);if('"'==(b+"").charAt(d)){a=a.split('\\"').join('"').split("\\n").join("\n").split("\\r").join("\r")}else{a=a.split("''").join("'")}d+=c[0].length;this.i=d;return a},parseSequence:function(g,c){if(c==undefined){c=0}var b=[];var a=g.length;c+=1;while(c<a){switch(g.charAt(c)){case"[":b.push(this.parseSequence(g,c));c=this.i;break;case"{":b.push(this.parseMapping(g,c));c=this.i;break;case"]":this.i=c;return b;case",":case" ":break;default:isQuoted=this.inArray(g.charAt(c),['"',"'"]);var d=this.parseScalar(g,[",","]"],['"',"'"],c);c=this.i;if(!isQuoted&&(d+"").indexOf(": ")!=-1){try{d=this.parseMapping("{"+d+"}")}catch(f){if(!(f instanceof InvalidArgumentException)){throw f}}}b.push(d);c--}c++}throw new InvalidArgumentException("Malformed inline YAML string "+g)},parseMapping:function(d,f){if(f==undefined){f=0}var c={};var a=d.length;f+=1;var b=false;var g=false;while(f<a){g=false;switch(d.charAt(f)){case" ":case",":f++;g=true;break;case"}":this.i=f;return c}if(g){continue}var e=this.parseScalar(d,[":"," "],['"',"'"],f,false);f=this.i;b=false;while(f<a){switch(d.charAt(f)){case"[":c[e]=this.parseSequence(d,f);f=this.i;b=true;break;case"{":c[e]=this.parseMapping(d,f);f=this.i;b=true;break;case":":case" ":break;default:c[e]=this.parseScalar(d,[",","}"],['"',"'"],f);f=this.i;b=true;f--}++f;if(b){g=true;break}}if(g){continue}}throw new InvalidArgumentException("Malformed inline YAML string "+d)},evaluateScalar:function(b){b=this.trim(b);var e;var d;var f=new Yaml();if("1.1"==f.getSpecVersion()){e=["true","on","+","yes","y"];d=["false","off","-","no","n"]}else{e=["true"];d=["false"]}var c=null;var a=null;if(("null"==b.toLowerCase())||(""==b)||("~"==b)){return null}if((b+"").indexOf("!str")!=-1){return(""+b).substring(5)}if((b+"").indexOf("! ")!=-1){return parseInt(this.parseScalar((b+"").substring(2)))}if(/^\d+/.test(b)){c=b;a=parseInt(b);return"0"==b.charAt(0)?this.octdec(b):((""+c==""+a)?a:c)}if(this.inArray(b.toLowerCase(),e)){return true}if(this.inArray(b.toLowerCase(),d)){return false}if(this.isNumeric(b)){return"0x"==(b+"").substr(0,2)?hexdec($scalar):floatval($scalar)}if(b.toLowerCase()==".inf"){return Infinity}if(b.toLowerCase()==".nan"){return NaN}if(b.toLowerCase()=="-.inf"){return -Infinity}if(/^(-|\+)?[0-9,]+(\.[0-9]+)?$/.test(b)){return parseFloat(b.split(",").join(""))}if(this.getTimestampRegex().test(b)){return this.strtodate(b)}return""+b},getTimestampRegex:function(){return new RegExp("^([0-9][0-9][0-9][0-9])-([0-9][0-9]?)-([0-9][0-9]?)(?:(?:[Tt]|[ \t]+)([0-9][0-9]?):([0-9][0-9]):([0-9][0-9])(?:.([0-9]*))?(?:[ \t]*(Z|([-+])([0-9][0-9]?)(?::([0-9][0-9]))?))?)?$","gi")},trim:function(a){return(a+"").replace(/^\s+/,"").replace(/\s+$/,"")},isNumeric:function(a){return(a-0)==a&&a.length>0&&a.replace(/\s+/g,"")!=""},inArray:function(c,d){var b;var a=d.length;for(b=0;b<a;b++){if(c==d[b]){return true}}return false},getKeys:function(c){var b=[];for(var a in c){if(c.hasOwnProperty(a)){b.push(a)}}return b},octdec:function(a){return parseInt((a+"").replace(/[^0-7]/gi,""),8)},hexdec:function(a){a=this.trim(a);if((a+"").substr(0,2)=="0x"){a=(a+"").substring(2)}return parseInt((a+"").replace(/[^a-f0-9]/gi,""),16)},strtodate:function(a){var b=new Date();b.setTime(this.strtotime(a,new Date().getTime()));return b},strtotime:function(o,t){var q,p,i,m="",s="";m=o;m=m.replace(/\s{2,}|^\s|\s$/g," ");m=m.replace(/[\t\r\n]/g,"");if(m=="now"){return(new Date()).getTime()/1000}else{if(!isNaN(s=Date.parse(m))){return(s/1000)}else{if(t){t=new Date(t*1000)}else{t=new Date()}}}m=m.toLowerCase();var r={day:{sun:0,mon:1,tue:2,wed:3,thu:4,fri:5,sat:6},mon:{jan:0,feb:1,mar:2,apr:3,may:4,jun:5,jul:6,aug:7,sep:8,oct:9,nov:10,dec:11}};var v=this.strtotime;var u=function(a){var c=(a[2]&&a[2]=="ago");var d=(d=a[0]=="last"?-1:1)*(c?-1:1);switch(a[0]){case"last":case"next":switch(a[1].substring(0,3)){case"yea":t.setFullYear(t.getFullYear()+d);break;case"mon":t.setMonth(t.getMonth()+d);break;case"wee":t.setDate(t.getDate()+(d*7));break;case"day":t.setDate(t.getDate()+d);break;case"hou":t.setHours(t.getHours()+d);break;case"min":t.setMinutes(t.getMinutes()+d);break;case"sec":t.setSeconds(t.getSeconds()+d);break;default:var e;if(typeof(e=r.day[a[1].substring(0,3)])!="undefined"){var b=e-t.getDay();if(b==0){b=7*d}else{if(b>0){if(a[0]=="last"){b-=7}}else{if(a[0]=="next"){b+=7}}}t.setDate(t.getDate()+b)}}break;default:if(/\d+/.test(a[0])){d*=parseInt(a[0],10);switch(a[1].substring(0,3)){case"yea":t.setFullYear(t.getFullYear()+d);break;case"mon":t.setMonth(t.getMonth()+d);break;case"wee":t.setDate(t.getDate()+(d*7));break;case"day":t.setDate(t.getDate()+d);break;case"hou":t.setHours(t.getHours()+d);break;case"min":t.setMinutes(t.getMinutes()+d);break;case"sec":t.setSeconds(t.getSeconds()+d);break}}else{return false}break}return true};p=m.match(/^(\d{2,4}-\d{2}-\d{2})(?:\s(\d{1,2}:\d{2}(:\d{2})?)?(?:\.(\d+))?)?$/);if(p!=null){if(!p[2]){p[2]="00:00:00"}else{if(!p[3]){p[2]+=":00"}}i=p[1].split(/-/g);for(q in r.mon){if(r.mon[q]==i[1]-1){i[1]=q}}i[0]=parseInt(i[0],10);i[0]=(i[0]>=0&&i[0]<=69)?"20"+(i[0]<10?"0"+i[0]:i[0]+""):(i[0]>=70&&i[0]<=99)?"19"+i[0]:i[0]+"";return parseInt(v(i[2]+" "+i[1]+" "+i[0]+" "+p[2])+(p[4]?p[4]/1000:""),10)}var n="([+-]?\\d+\\s(years?|months?|weeks?|days?|hours?|min|minutes?|sec|seconds?|sun\\.?|sunday|mon\\.?|monday|tue\\.?|tuesday|wed\\.?|wednesday|thu\\.?|thursday|fri\\.?|friday|sat\\.?|saturday)|(last|next)\\s(years?|months?|weeks?|days?|hours?|min|minutes?|sec|seconds?|sun\\.?|sunday|mon\\.?|monday|tue\\.?|tuesday|wed\\.?|wednesday|thu\\.?|thursday|fri\\.?|friday|sat\\.?|saturday))(\\sago)?";p=m.match(new RegExp(n,"gi"));if(p==null){return false}for(q=0;q<p.length;q++){if(!u(p[q].split(" "))){return false}}return(t.getTime()/1000)}};YamlInline.REGEX_QUOTED_STRING="(?:\"(?:[^\"\\\\]*(?:\\\\.[^\"\\\\]*)*)\"|'(?:[^']*(?:''[^']*)*)')";var YamlParser=function(a){this.offset=this.isDefined(a)?a:0};YamlParser.prototype={offset:0,lines:[],currentLineNb:-1,currentLine:"",refs:{},parse:function(m){this.currentLineNb=-1;this.currentLine="";this.lines=this.cleanup(m).split("\n");var u=null;while(this.moveToNextLine()){if(this.isCurrentLineEmpty()){continue}if(/^\t+/.test(this.currentLine)){throw new InvalidArgumentException("A YAML file cannot contain tabs as indentation at line "+(this.getRealCurrentLineNb()+1)+" ("+this.currentLine+")")}var j=false;var r=false;var q=false;var b=null;var a=null;var t=null;var d=null;var e=null;var v=null;var h=null;var p=null;var f=null;if(b=/^\-((\s+)(.+?))?\s*$/.exec(this.currentLine)){if(!this.isDefined(u)){u=[]}if(!(u instanceof Array)){throw new InvalidArgumentException("Non array entry at line "+(this.getRealCurrentLineNb()+1)+".")}b={leadspaces:b[2],value:b[3]};if(this.isDefined(b.value)&&(a=/^&([^ ]+) *(.*)/.exec(b.value))){a={ref:a[1],value:a[2]};j=a.ref;b.value=a.value}if(!this.isDefined(b.value)||""==b.value.split(" ").join("")||this.trim(b.value).charAt(0)=="#"){t=this.getRealCurrentLineNb()+1;d=new YamlParser(t);d.refs=this.refs;u.push(d.parse(this.getNextEmbedBlock()));this.refs=d.refs}else{if(this.isDefined(b.leadspaces)&&" "==b.leadspaces&&(a=new RegExp("^("+YamlInline.REGEX_QUOTED_STRING+"|[^ '\"{].*?) *:(\\s+(.+?))?\\s*$").exec(b.value))){a={key:a[1],value:a[3]};t=this.getRealCurrentLineNb();d=new YamlParser(t);d.refs=this.refs;e=b.value;if(!this.isNextLineIndented()){e+="\n"+this.getNextEmbedBlock(this.getCurrentLineIndentation()+2)}u.push(d.parse(e));this.refs=d.refs}else{u.push(this.parseValue(b.value))}}}else{if(b=new RegExp("^("+YamlInline.REGEX_QUOTED_STRING+"|[^ '\"].*?) *:(\\s+(.+?))?\\s*$").exec(this.currentLine)){if(!this.isDefined(u)){u={}}if(u instanceof Array){throw new InvalidArgumentException("Non mapped entry at line "+(this.getRealCurrentLineNb()+1)+".")}b={key:b[1],value:b[3]};v=(new YamlInline()).parseScalar(b.key);if("<<"==v){if(this.isDefined(b.value)&&"*"==(b.value+"").charAt(0)){r=b.value.substring(1)}else{if(this.isDefined(b.value)&&b.value!=""){m=b.value}else{m=this.getNextEmbedBlock()}t=this.getRealCurrentLineNb()+1;d=new YamlParser(t);d.refs=this.refs;h=d.parse(m);this.refs=d.refs;var s=[];if(!this.isObject(h)){throw new InvalidArgumentException("YAML merge keys used with a scalar value instead of an array at line "+(this.getRealCurrentLineNb()+1)+" ("+this.currentLine+")")}else{if(this.isDefined(h[0])){f=this.reverseArray(h);p=f.length;for(var o=0;o<p;o++){var l=f[o];if(!this.isObject(f[o])){throw new InvalidArgumentException("Merge items must be arrays at line "+(this.getRealCurrentLineNb()+1)+" ("+f[o]+").")}s=this.mergeObject(f[o],s)}}else{s=this.mergeObject(s,h)}}q=s}}else{if(this.isDefined(b.value)&&(a=/^&([^ ]+) *(.*)/.exec(b.value))){a={ref:a[1],value:a[2]};j=a.ref;b.value=a.value}}if(q){u=q}else{if(!this.isDefined(b.value)||""==b.value.split(" ").join("")||this.trim(b.value).charAt(0)=="#"){if(this.isNextLineIndented()){u[v]=null}else{t=this.getRealCurrentLineNb()+1;d=new YamlParser(t);d.refs=this.refs;u[v]=d.parse(this.getNextEmbedBlock());this.refs=d.refs}}else{if(r){u=this.refs[r]}else{u[v]=this.parseValue(b.value)}}}}else{if(2==this.lines.length&&this.isEmpty(this.lines[1])){m=(new YamlInline()).load(this.lines[0]);if(this.isObject(m)){first=m[0];if("*"==(first+"").substr(0,1)){u=[];p=m.length;for(var o=0;o<p;o++){u.push(this.refs[m[o].substring(1)])}m=u}}return m}throw new InvalidArgumentException('"'+this.currentLine+'" at line '+(this.getRealCurrentLineNb()+1))}}if(j){if(u instanceof Array){this.refs[j]=u[u.length-1]}else{var g=null;for(var n in u){if(u.hasOwnProperty(n)){g=n}}this.refs[j]=u[n]}}}return this.isEmpty(u)?null:u},getRealCurrentLineNb:function(){return this.currentLineNb+this.offset},getCurrentLineIndentation:function(){return this.currentLine.length-this.currentLine.replace(/^ +/g,"").length},getNextEmbedBlock:function(d){this.moveToNextLine();var b=null;var a=null;if(!this.isDefined(d)){b=this.getCurrentLineIndentation();if(!this.isCurrentLineEmpty()&&0==b){throw new InvalidArgumentException("A Indentation problem at line "+(this.getRealCurrentLineNb()+1)+" ("+this.currentLine+")")}}else{b=d}var e=[this.currentLine.substring(b)];while(this.moveToNextLine()){if(this.isCurrentLineEmpty()){if(this.isCurrentLineBlank()){e.push(this.currentLine.substring(b))}continue}a=this.getCurrentLineIndentation();var c;if(c=/^( *)$/.exec(this.currentLine)){e.push(c[1])}else{if(a>=b){e.push(this.currentLine.substring(b))}else{if(0==a){this.moveToPreviousLine();break}else{throw new InvalidArgumentException("B Indentation problem at line "+(this.getRealCurrentLineNb()+1)+" ("+this.currentLine+")")}}}}return e.join("\n")},moveToNextLine:function(){if(this.currentLineNb>=this.lines.length-1){return false}this.currentLineNb++;this.currentLine=this.lines[this.currentLineNb];return true},moveToPreviousLine:function(){this.currentLineNb--;this.currentLine=this.lines[this.currentLineNb]},parseValue:function(c){if("*"==(c+"").charAt(0)){if(this.trim(c).charAt(0)=="#"){c=(c+"").substr(1,c.indexOf("#")-2)}else{c=(c+"").substring(1)}if(this.refs[c]==undefined){throw new InvalidArgumentException('Reference "'+c+'" does not exist ('+this.currentLine+").")}return this.refs[c]}var b=null;if(b=/^(\||>)(\+|\-|\d+|\+\d+|\-\d+|\d+\+|\d+\-)?( +#.*)?$/.exec(c)){b={separator:b[1],modifiers:b[2],comments:b[3]};var a=this.isDefined(b.modifiers)?b.modifiers:"";return this.parseFoldedScalar(b.separator,a.replace(/\d+/g,""),Math.abs(parseInt(a)))}else{return(new YamlInline()).load(c)}},parseFoldedScalar:function(c,h,f){if(h==undefined){h=""}if(f==undefined){f=0}c="|"==c?"\n":" ";var j="";var g=null;var b=this.moveToNextLine();while(b&&this.isCurrentLineBlank()){j+="\n";b=this.moveToNextLine()}if(!b){return""}var d=null;if(!(d=new RegExp("^("+(f?this.strRepeat(" ",f):" +")+")(.*)$").exec(this.currentLine))){this.moveToPreviousLine();return""}d={indent:d[1],text:d[2]};var a=d.indent;var e=0;j+=d.text+c;while(this.currentLineNb+1<this.lines.length){this.moveToNextLine();if(d=new RegExp("^( {"+a.length+",})(.+)$").exec(this.currentLine)){d={indent:d[1],text:d[2]};if(" "==c&&e!=d.indent){j=j.substr(0,j.length-1)+"\n"}e=d.indent;g=d.indent.length-a.length;j+=this.strRepeat(" ",g)+d.text+(g!=0?"\n":c)}else{if(d=/^( *)$/.exec(this.currentLine)){j+=d[1].replace(new RegExp("^ {1,"+a.length+"}","g"),"",d[1])+"\n"}else{this.moveToPreviousLine();break}}}if(" "==c){j=j.replace(/ (\n*)$/g,"\n$1")}switch(h){case"":j=j.replace(/\n+$/g,"\n");break;case"+":break;case"-":j=j.replace(/\n+$/g,"");break}return j},isNextLineIndented:function(){var b=this.getCurrentLineIndentation();var c=this.moveToNextLine();while(c&&this.isCurrentLineEmpty()){c=this.moveToNextLine()}if(false==c){return false}var a=false;if(this.getCurrentLineIndentation()<=b){a=true}this.moveToPreviousLine();return a},isCurrentLineEmpty:function(){return this.isCurrentLineBlank()||this.isCurrentLineComment()},isCurrentLineBlank:function(){return""==this.currentLine.split(" ").join("")},isCurrentLineComment:function(){var a=this.currentLine.replace(/^ +/g,"");return 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