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Issue 9615013: Crawler, first version (Closed)
Patch Set: Created March 6, 2013, 4:05 a.m.
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Index: lib/yaml.js
===================================================================
new file mode 100644
--- /dev/null
+++ b/lib/yaml.js
@@ -0,0 +1,2068 @@
+// Original downloaded from https://github.com/jeremyfa/yaml.js
+/*
+Copyright (c) 2010 Jeremy Faivre
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is furnished
+to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+(function(){
+/**
+ * Exception class thrown when an error occurs during parsing.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @api
+ */
+
+/**
+ * Constructor.
+ *
+ * @param {string} message The error message
+ * @param {number} parsedLine The line where the error occurred
+ * @param {number} snippet The snippet of code near the problem
+ * @param {string} parsedFile The file name where the error occurred
+ */
+
+var YamlParseException = function(message, parsedLine, snippet, parsedFile){
+
+ this.rawMessage = message;
+ this.parsedLine = (parsedLine !== undefined) ? parsedLine : -1;
+ this.snippet = (snippet !== undefined) ? snippet : null;
+ this.parsedFile = (parsedFile !== undefined) ? parsedFile : null;
+
+ this.updateRepr();
+};
+YamlParseException.prototype =
+{
+
+ name: 'YamlParseException',
+ message: null,
+
+ parsedFile: null,
+ parsedLine: -1,
+ snippet: null,
+ rawMessage: null,
+
+ isDefined: function(input)
+ {
+ return input != undefined && input != null;
+ },
+
+ /**
+ * Gets the snippet of code near the error.
+ *
+ * @return string The snippet of code
+ */
+ getSnippet: function()
+ {
+ return this.snippet;
+ },
+
+ /**
+ * Sets the snippet of code near the error.
+ *
+ * @param {string} snippet The code snippet
+ */
+ setSnippet: function(snippet)
+ {
+ this.snippet = snippet;
+
+ this.updateRepr();
+ },
+
+ /**
+ * Gets the filename where the error occurred.
+ *
+ * This method returns null if a string is parsed.
+ *
+ * @return string The filename
+ */
+ getParsedFile: function()
+ {
+ return this.parsedFile;
+ },
+
+ /**
+ * Sets the filename where the error occurred.
+ *
+ * @param {string} parsedFile The filename
+ */
+ setParsedFile: function(parsedFile)
+ {
+ this.parsedFile = parsedFile;
+
+ this.updateRepr();
+ },
+
+ /**
+ * Gets the line where the error occurred.
+ *
+ * @return integer The file line
+ */
+ getParsedLine: function()
+ {
+ return this.parsedLine;
+ },
+
+ /**
+ * Sets the line where the error occurred.
+ *
+ * @param {number} parsedLine The file line
+ */
+ setParsedLine: function(parsedLine)
+ {
+ this.parsedLine = parsedLine;
+
+ this.updateRepr();
+ },
+
+ updateRepr: function()
+ {
+ this.message = this.rawMessage;
+
+ var dot = false;
+ if ('.' === this.message.charAt(this.message.length - 1)) {
+ this.message = this.message.substring(0, this.message.length - 1);
+ dot = true;
+ }
+
+ if (null !== this.parsedFile) {
+ this.message += ' in ' + JSON.stringify(this.parsedFile);
+ }
+
+ if (this.parsedLine >= 0) {
+ this.message += ' at line ' + this.parsedLine;
+ }
+
+ if (this.snippet) {
+ this.message += ' (near "' + this.snippet + '")';
+ }
+
+ if (dot) {
+ this.message += '.';
+ }
+ }
+};
+/**
+ * Yaml offers convenience methods to parse and dump YAML.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @api
+ */
+
+var YamlRunningUnderNode = false;
+var Yaml = function(){};
+Yaml.prototype =
+{
+
+ /**
+ * Parses YAML into a JS representation.
+ *
+ * The parse method, when supplied with a YAML stream (file),
+ * will do its best to convert YAML in a file into a JS representation.
+ *
+ * Usage:
+ * <code>
+ * obj = yaml.parseFile('config.yml');
+ * </code>
+ *
+ * @param {string} file Path of YAML file
+ * @param {Function} [callback]
+ *
+ * @return array The YAML converted to a JS representation
+ *
+ * @throws YamlParseException If the YAML is not valid
+ */
+ parseFile: function(file /* String */, callback /* Function */)
+ {
+ if ( callback == null )
+ {
+ var input = this.getFileContents(file);
+ var ret = null;
+ try
+ {
+ ret = this.parse(input);
+ }
+ catch ( e )
+ {
+ if ( e instanceof YamlParseException ) {
+ e.setParsedFile(file);
+ }
+ throw e;
+ }
+ return ret;
+ }
+
+ this.getFileContents(file, function(data)
+ {
+ callback(new Yaml().parse(data));
+ });
+ },
+
+ /**
+ * Parses YAML into a JS representation.
+ *
+ * The parse method, when supplied with a YAML stream (string),
+ * will do its best to convert YAML into a JS representation.
+ *
+ * Usage:
+ * <code>
+ * obj = yaml.parse(...);
+ * </code>
+ *
+ * @param {string} input string containing YAML
+ *
+ * @return array The YAML converted to a JS representation
+ *
+ * @throws YamlParseException If the YAML is not valid
+ */
+ parse: function(input /* String */)
+ {
+ var yaml = new YamlParser();
+
+ return yaml.parse(input);
+ },
+
+ /**
+ * Dumps a JS representation to a YAML string.
+ *
+ * The dump method, when supplied with an array, will do its best
+ * to convert the array into friendly YAML.
+ *
+ * @param {Array} array JS representation
+ * @param {number} inline The level where you switch to inline YAML
+ * @param {number} [spaces]
+ *
+ * @return string A YAML string representing the original JS representation
+ *
+ * @api
+ */
+ dump: function(array, inline, spaces)
+ {
+ if ( inline == null ) inline = 2;
+
+ var yaml = new YamlDumper();
+ if (spaces) {
+ yaml.numSpacesForIndentation = spaces;
+ }
+
+ return yaml.dump(array, inline);
+ },
+
+ getXHR: function()
+ {
+ if ( window.XMLHttpRequest )
+ return new XMLHttpRequest();
+
+ if ( window.ActiveXObject )
+ {
+ var names = [
+ "Msxml2.XMLHTTP.6.0",
+ "Msxml2.XMLHTTP.3.0",
+ "Msxml2.XMLHTTP",
+ "Microsoft.XMLHTTP"
+ ];
+
+ for ( var i = 0; i < 4; i++ )
+ {
+ try{ return new ActiveXObject(names[i]); }
+ catch(e){}
+ }
+ }
+ return null;
+ },
+
+ getFileContents: function(file, callback)
+ {
+ if ( YamlRunningUnderNode )
+ {
+ var fs = require('fs');
+ if ( callback == null )
+ {
+ var data = fs.readFileSync(file);
+ if (data == null) return null;
+ return ''+data;
+ }
+ else
+ {
+ fs.readFile(file, function(err, data)
+ {
+ if (err)
+ callback(null);
+ else
+ callback(data);
+ });
+ }
+ }
+ else
+ {
+ var request = this.getXHR();
+
+ // Sync
+ if ( callback == null )
+ {
+ request.open('GET', file, false);
+ request.send(null);
+
+ if ( request.status == 200 || request.status == 0 )
+ return request.responseText;
+
+ return null;
+ }
+
+ // Async
+ request.onreadystatechange = function()
+ {
+ if ( request.readyState == 4 )
+ if ( request.status == 200 || request.status == 0 )
+ callback(request.responseText);
+ else
+ callback(null);
+ };
+ request.open('GET', file, true);
+ request.send(null);
+ }
+ }
+};
+
+var YAML =
+{
+ /*
+ * @param {number} inline The level where you switch to inline YAML
+ */
+
+ stringify: function(input, inline, spaces)
+ {
+ return new Yaml().dump(input, inline, spaces);
+ },
+
+ parse: function(input)
+ {
+ return new Yaml().parse(input);
+ },
+
+ load: function(file, callback)
+ {
+ return new Yaml().parseFile(file, callback);
+ }
+};
+
+exports.YAML = YAML;
+exports.YamlParseException = YamlParseException;
+
+// Handle browser case
+if ( typeof(window) != "undefined" )
+{
+ window.YAML = YAML;
+}
+
+/**
+ * YamlInline implements a YAML parser/dumper for the YAML inline syntax.
+ */
+var YamlInline = function(){};
+YamlInline.prototype =
+{
+ i: null,
+
+ /**
+ * Convert a YAML string to a JS object.
+ *
+ * @param {string} value A YAML string
+ *
+ * @return object A JS object representing the YAML string
+ */
+ parse: function(value)
+ {
+ var result = null;
+ value = this.trim(value);
+
+ if ( 0 == value.length )
+ {
+ return '';
+ }
+
+ switch ( value.charAt(0) )
+ {
+ case '[':
+ result = this.parseSequence(value);
+ break;
+ case '{':
+ result = this.parseMapping(value);
+ break;
+ default:
+ result = this.parseScalar(value);
+ }
+
+ // some comment can end the scalar
+ if ( value.substr(this.i+1).replace(/^\s*#.*$/, '') != '' ) {
+ console.log("oups "+value.substr(this.i+1));
+ throw new YamlParseException('Unexpected characters near "'+value.substr(this.i)+'".');
+ }
+
+ return result;
+ },
+
+ /**
+ * Dumps a given JS variable to a YAML string.
+ *
+ * @param value The JS variable to convert
+ *
+ * @return string The YAML string representing the JS object
+ */
+ dump: function(value)
+ {
+ if ( undefined == value || null == value )
+ return 'null';
+ if ( value instanceof Date)
+ return value.toISOString();
+ if ( typeof(value) == 'object')
+ return this.dumpObject(value);
+ if ( typeof(value) == 'boolean' )
+ return value ? 'true' : 'false';
+ if ( /^\d+$/.test(value) )
+ return typeof(value) == 'string' ? "'"+value+"'" : parseInt(value);
+ if ( this.isNumeric(value) )
+ return typeof(value) == 'string' ? "'"+value+"'" : parseFloat(value);
+ if ( typeof(value) == 'number' )
+ return value == Infinity ? '.Inf' : ( value == -Infinity ? '-.Inf' : ( isNaN(value) ? '.NAN' : value ) );
+ var yaml = new YamlEscaper();
+ if ( yaml.requiresDoubleQuoting(value) )
+ return yaml.escapeWithDoubleQuotes(value);
+ if ( yaml.requiresSingleQuoting(value) )
+ return yaml.escapeWithSingleQuotes(value);
+ if ( '' == value )
+ return "";
+ if ( this.getTimestampRegex().test(value) )
+ return "'"+value+"'";
+ if ( this.inArray(value.toLowerCase(), ['null','~','true','false']) )
+ return "'"+value+"'";
+ // default
+ return value;
+ },
+
+ /**
+ * Dumps a JS object to a YAML string.
+ *
+ * @param {Object} value The JS array to dump
+ *
+ * @return string The YAML string representing the JS object
+ */
+ dumpObject: function(value)
+ {
+ var keys = this.getKeys(value);
+ var output = null;
+ var i;
+ var len = keys.length;
+
+ // array
+ if ( value instanceof Array )
+ /*( 1 == len && '0' == keys[0] )
+ ||
+ ( len > 1 && this.reduceArray(keys, function(v,w){return Math.floor(v+w);}, 0) == len * (len - 1) / 2) )*/
+ {
+ output = [];
+ for ( i = 0; i < len; i++ )
+ {
+ output.push(this.dump(value[keys[i]]));
+ }
+
+ return '['+output.join(', ')+']';
+ }
+
+ // mapping
+ output = [];
+ for ( i = 0; i < len; i++ )
+ {
+ output.push(this.dump(keys[i])+': '+this.dump(value[keys[i]]));
+ }
+
+ return '{ '+output.join(', ')+' }';
+ },
+
+ /**
+ * Parses a scalar to a YAML string.
+ *
+ * @param scalar scalar
+ * @param {string} delimiters
+ * @param {Object} stringDelimiters
+ * @param {number} i
+ * @param {boolean} evaluate
+ *
+ * @return string A YAML string
+ *
+ * @throws YamlParseException When malformed inline YAML string is parsed
+ */
+ parseScalar: function(scalar, delimiters, stringDelimiters, i, evaluate)
+ {
+ if ( delimiters == undefined ) delimiters = null;
+ if ( stringDelimiters == undefined ) stringDelimiters = ['"', "'"];
+ if ( i == undefined ) i = 0;
+ if ( evaluate == undefined ) evaluate = true;
+
+ var output = null;
+ var pos = null;
+ var matches = null;
+
+ if ( this.inArray(scalar[i], stringDelimiters) )
+ {
+ // quoted scalar
+ output = this.parseQuotedScalar(scalar, i);
+ i = this.i;
+ if (null !== delimiters) {
+ var tmp = scalar.substr(i).replace(/^\s+/, '');
+ if (!this.inArray(tmp.charAt(0), delimiters)) {
+ throw new YamlParseException('Unexpected characters ('+scalar.substr(i)+').');
+ }
+ }
+ }
+ else
+ {
+ // "normal" string
+ if ( !delimiters )
+ {
+ output = (scalar+'').substring(i);
+
+ i += output.length;
+
+ // remove comments
+ pos = output.indexOf(' #');
+ if ( pos != -1 )
+ {
+ output = output.substr(0, pos).replace(/\s+$/g,'');
+ }
+ }
+ else if ( matches = new RegExp('^(.+?)('+delimiters.join('|')+')').exec((scalar+'').substring(i)) )
+ {
+ output = matches[1];
+ i += output.length;
+ }
+ else
+ {
+ throw new YamlParseException('Malformed inline YAML string ('+scalar+').');
+ }
+ output = evaluate ? this.evaluateScalar(output) : output;
+ }
+
+ this.i = i;
+
+ return output;
+ },
+
+ /**
+ * Parses a quoted scalar to YAML.
+ *
+ * @param {string} scalar
+ * @param {number} i
+ *
+ * @return string A YAML string
+ *
+ * @throws YamlParseException When malformed inline YAML string is parsed
+ */
+ parseQuotedScalar: function(scalar, i)
+ {
+ var matches = null;
+ //var item = /^(.*?)['"]\s*(?:[,:]|[}\]]\s*,)/.exec((scalar+'').substring(i))[1];
+
+ if ( !(matches = new RegExp('^'+YamlInline.REGEX_QUOTED_STRING).exec((scalar+'').substring(i))) )
+ {
+ throw new YamlParseException('Malformed inline YAML string ('+(scalar+'').substring(i)+').');
+ }
+
+ var output = matches[0].substr(1, matches[0].length - 2);
+
+ var unescaper = new YamlUnescaper();
+
+ if ( '"' == (scalar+'').charAt(i) )
+ {
+ output = unescaper.unescapeDoubleQuotedString(output);
+ }
+ else
+ {
+ output = unescaper.unescapeSingleQuotedString(output);
+ }
+
+ i += matches[0].length;
+
+ this.i = i;
+ return output;
+ },
+
+ /**
+ * Parses a sequence to a YAML string.
+ *
+ * @param {string} sequence
+ * @param {number} i
+ *
+ * @return string A YAML string
+ *
+ * @throws YamlParseException When malformed inline YAML string is parsed
+ */
+ parseSequence: function(sequence, i)
+ {
+ if ( i == undefined ) i = 0;
+
+ var output = [];
+ var len = sequence.length;
+ i += 1;
+
+ // [foo, bar, ...]
+ while ( i < len )
+ {
+ switch ( sequence.charAt(i) )
+ {
+ case '[':
+ // nested sequence
+ output.push(this.parseSequence(sequence, i));
+ i = this.i;
+ break;
+ case '{':
+ // nested mapping
+ output.push(this.parseMapping(sequence, i));
+ i = this.i;
+ break;
+ case ']':
+ this.i = i;
+ return output;
+ case ',':
+ case ' ':
+ break;
+ default:
+ var isQuoted = this.inArray(sequence.charAt(i), ['"', "'"]);
+ var value = this.parseScalar(sequence, [',', ']'], ['"', "'"], i);
+ i = this.i;
+
+ if ( !isQuoted && (value+'').indexOf(': ') != -1 )
+ {
+ // embedded mapping?
+ try
+ {
+ value = this.parseMapping('{'+value+'}');
+ }
+ catch ( e )
+ {
+ if ( !(e instanceof YamlParseException ) ) throw e;
+ // no, it's not
+ }
+ }
+
+ output.push(value);
+
+ i--;
+ }
+
+ i++;
+ }
+
+ throw new YamlParseException('Malformed inline YAML string "'+sequence+'"');
+ },
+
+ /**
+ * Parses a mapping to a YAML string.
+ *
+ * @param {string} mapping
+ * @param {number} i
+ *
+ * @return string A YAML string
+ *
+ * @throws YamlParseException When malformed inline YAML string is parsed
+ */
+ parseMapping: function(mapping, i)
+ {
+ if ( i == undefined ) i = 0;
+ var output = {};
+ var len = mapping.length;
+ i += 1;
+ var done = false;
+ var doContinue = false;
+
+ // {foo: bar, bar:foo, ...}
+ while ( i < len )
+ {
+ doContinue = false;
+
+ switch ( mapping.charAt(i) )
+ {
+ case ' ':
+ case ',':
+ i++;
+ doContinue = true;
+ break;
+ case '}':
+ this.i = i;
+ return output;
+ }
+
+ if ( doContinue ) continue;
+
+ // key
+ var key = this.parseScalar(mapping, [':', ' '], ['"', "'"], i, false);
+ i = this.i;
+
+ // value
+ done = false;
+ while ( i < len )
+ {
+ switch ( mapping.charAt(i) )
+ {
+ case '[':
+ // nested sequence
+ output[key] = this.parseSequence(mapping, i);
+ i = this.i;
+ done = true;
+ break;
+ case '{':
+ // nested mapping
+ output[key] = this.parseMapping(mapping, i);
+ i = this.i;
+ done = true;
+ break;
+ case ':':
+ case ' ':
+ break;
+ default:
+ output[key] = this.parseScalar(mapping, [',', '}'], ['"', "'"], i);
+ i = this.i;
+ done = true;
+ i--;
+ }
+
+ ++i;
+
+ if ( done )
+ {
+ doContinue = true;
+ break;
+ }
+ }
+
+ //if ( doContinue ) continue;
+ }
+
+ throw new YamlParseException('Malformed inline YAML string "'+mapping+'"');
+ },
+
+ /**
+ * Evaluates scalars and replaces magic values.
+ *
+ * @param {string} scalar
+ *
+ * @return string A YAML string
+ */
+ evaluateScalar: function(scalar)
+ {
+ scalar = this.trim(scalar);
+
+ var raw = null;
+ var cast = null;
+
+ if ( ( 'null' == scalar.toLowerCase() ) ||
+ ( '' == scalar ) ||
+ ( '~' == scalar ) )
+ return null;
+ if ( (scalar+'').indexOf('!str ') == 0 )
+ return (''+scalar).substring(5);
+ if ( (scalar+'').indexOf('! ') == 0 )
+ return parseInt(this.parseScalar((scalar+'').substr(2)));
+ if ( /^\d+$/.test(scalar) )
+ {
+ raw = scalar;
+ cast = parseInt(scalar);
+ return '0' == scalar.charAt(0) ? this.octdec(scalar) : (( ''+raw == ''+cast ) ? cast : raw);
+ }
+ if ( 'true' == (scalar+'').toLowerCase() )
+ return true;
+ if ( 'false' == (scalar+'').toLowerCase() )
+ return false;
+ if ( this.isNumeric(scalar) )
+ return '0x' == (scalar+'').substr(0, 2) ? this.hexdec(scalar) : parseFloat(scalar);
+ if ( scalar.toLowerCase() == '.inf' )
+ return Infinity;
+ if ( scalar.toLowerCase() == '.nan' )
+ return NaN;
+ if ( scalar.toLowerCase() == '-.inf' )
+ return -Infinity;
+ if ( /^(-|\+)?[0-9,]+(\.[0-9]+)?$/.test(scalar) )
+ return parseFloat(scalar.split(',').join(''));
+ if ( this.getTimestampRegex().test(scalar) )
+ return new Date(this.strtotime(scalar));
+ //else
+ return ''+scalar;
+ },
+
+ /**
+ * Gets a regex that matches an unix timestamp
+ *
+ * @return string The regular expression
+ */
+ 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]))?))?)?'+
+ '$','gi');
+ },
+
+ trim: function(str /* String */)
+ {
+ return (str+'').replace(/^\s+/,'').replace(/\s+$/,'');
+ },
+
+ isNumeric: function(input)
+ {
+ return (input - 0) == input && input.length > 0 && input.replace(/\s+/g,'') != '';
+ },
+
+ inArray: function(key, tab)
+ {
+ var i;
+ var len = tab.length;
+ for ( i = 0; i < len; i++ )
+ {
+ if ( key == tab[i] ) return true;
+ }
+ return false;
+ },
+
+ getKeys: function(tab)
+ {
+ var ret = [];
+
+ for ( var name in tab )
+ {
+ if ( tab.hasOwnProperty(name) )
+ {
+ ret.push(name);
+ }
+ }
+
+ return ret;
+ },
+
+ /*reduceArray: function(tab, fun)
+ {
+ var len = tab.length;
+ if (typeof fun != "function")
+ throw new YamlParseException("fun is not a function");
+
+ // no value to return if no initial value and an empty array
+ if (len == 0 && arguments.length == 1)
+ throw new YamlParseException("empty array");
+
+ var i = 0;
+ if (arguments.length >= 2)
+ {
+ var rv = arguments[1];
+ }
+ else
+ {
+ do
+ {
+ if (i in tab)
+ {
+ rv = tab[i++];
+ break;
+ }
+
+ // if array contains no values, no initial value to return
+ if (++i >= len)
+ throw new YamlParseException("no initial value to return");
+ }
+ while (true);
+ }
+
+ for (; i < len; i++)
+ {
+ if (i in tab)
+ rv = fun.call(null, rv, tab[i], i, tab);
+ }
+
+ return rv;
+ },*/
+
+ octdec: function(input)
+ {
+ return parseInt((input+'').replace(/[^0-7]/gi, ''), 8);
+ },
+
+ hexdec: function(input)
+ {
+ input = this.trim(input);
+ if ( (input+'').substr(0, 2) == '0x' ) input = (input+'').substring(2);
+ return parseInt((input+'').replace(/[^a-f0-9]/gi, ''), 16);
+ },
+
+ /**
+ * @see http://phpjs.org/functions/strtotime
+ * @note we need timestamp with msecs so /1000 removed
+ * @note original contained binary | 0 (wtf?!) everywhere, which messes everything up
+ */
+ strtotime: function (h,b){var f,c,g,k,d="";h=(h+"").replace(/\s{2,}|^\s|\s$/g," ").replace(/[\t\r\n]/g,"");if(h==="now"){return b===null||isNaN(b)?new Date().getTime()||0:b||0}else{if(!isNaN(d=Date.parse(h))){return d||0}else{if(b){b=new Date(b)}else{b=new Date()}}}h=h.toLowerCase();var e={day:{sun:0,mon:1,tue:2,wed:3,thu:4,fri:5,sat:6},mon:["jan","feb","mar","apr","may","jun","jul","aug","sep","oct","nov","dec"]};var a=function(i){var o=(i[2]&&i[2]==="ago");var n=(i[0]==="last"?-1:1)*(o?-1:1);switch(i[0]){case"last":case"next":switch(i[1].substring(0,3)){case"yea":b.setFullYear(b.getFullYear()+n);break;case"wee":b.setDate(b.getDate()+(n*7));break;case"day":b.setDate(b.getDate()+n);break;case"hou":b.setHours(b.getHours()+n);break;case"min":b.setMinutes(b.getMinutes()+n);break;case"sec":b.setSeconds(b.getSeconds()+n);break;case"mon":if(i[1]==="month"){b.setMonth(b.getMonth()+n);}break;default:var l=e.day[i[1].substring(0,3)];if(typeof l!=="undefined"){var p=l-b.getDay();if(p===0){p=7*n}else{if(p>0){if(i[0]==="last"){p-=7}}else{if(i[0]==="next"){p+=7}}}b.setDate(b.getDate()+p);b.setHours(0,0,0,0)}}break;default:if(/\d+/.test(i[0])){n*=parseInt(i[0],10);switch(i[1].substring(0,3)){case"yea":b.setFullYear(b.getFullYear()+n);break;case"mon":b.setMonth(b.getMonth()+n);break;case"wee":b.setDate(b.getDate()+(n*7));break;case"day":b.setDate(b.getDate()+n);break;case"hou":b.setHours(b.getHours()+n);break;case"min":b.setMinutes(b.getMinutes()+n);break;case"sec":b.setSeconds(b.getSeconds()+n);break}}else{return false}break}return true};g=h.match(/^(\d{2,4}-\d{2}-\d{2})(?:\s(\d{1,2}:\d{2}(:\d{2})?)?(?:\.(\d+))?)?$/);if(g!==null){if(!g[2]){g[2]="00:00:00"}else{if(!g[3]){g[2]+=":00"}}k=g[1].split(/-/g);k[1]=e.mon[k[1]-1]||k[1];k[0]=+k[0];k[0]=(k[0]>=0&&k[0]<=69)?"20"+(k[0]<10?"0"+k[0]:k[0]+""):(k[0]>=70&&k[0]<=99)?"19"+k[0]:k[0]+"";return parseInt(this.strtotime(k[2]+" "+k[1]+" "+k[0]+" "+g[2])+(g[4]?g[4]:""),10)}var j="([+-]?\\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)?";g=h.match(new RegExp(j,"gi"));if(g===null){return false}for(f=0,c=g.length;f<c;f++){if(!a(g[f].split(" "))){return false}}return b.getTime()||0}
+
+};
+
+/*
+ * @note uses only non-capturing sub-patterns (unlike PHP original)
+ */
+YamlInline.REGEX_QUOTED_STRING = '(?:"(?:[^"\\\\]*(?:\\\\.[^"\\\\]*)*)"|\'(?:[^\']*(?:\'\'[^\']*)*)\')';
+
+
+/**
+ * YamlParser parses YAML strings to convert them to JS objects
+ * (port of Yaml Symfony Component)
+ */
+var YamlParser = function(offset /* Integer */)
+{
+ this.offset = (offset !== undefined) ? offset : 0;
+};
+YamlParser.prototype =
+{
+ offset: 0,
+ lines: [],
+ currentLineNb: -1,
+ currentLine: '',
+ refs: {},
+
+ /**
+ * Parses a YAML string to a JS value.
+ *
+ * @param {string} value A YAML string
+ *
+ * @return mixed A JS value
+ */
+ parse: function(value /* String */)
+ {
+ this.currentLineNb = -1;
+ this.currentLine = '';
+ this.lines = this.cleanup(value).split("\n");
+
+ var data = null;
+ var context = null;
+
+ while ( this.moveToNextLine() )
+ {
+ if ( this.isCurrentLineEmpty() )
+ {
+ continue;
+ }
+
+ // tab?
+ if ( this.currentLine.charAt(0) == '\t' )
+ {
+ throw new YamlParseException('A YAML file cannot contain tabs as indentation.', this.getRealCurrentLineNb() + 1, this.currentLine);
+ }
+
+ var isRef = false;
+ var isInPlace = false;
+ var isProcessed = false;
+ var values = null;
+ var matches = null;
+ var c = null;
+ var parser = null;
+ var block = null;
+ var key = null;
+ var parsed = null;
+ var len = null;
+ var reverse = null;
+
+ if ( values = /^\-((\s+)(.+?))?\s*$/.exec(this.currentLine) )
+ {
+
+ if (context && 'mapping' == context) {
+ throw new YamlParseException('You cannot define a sequence item when in a mapping', this.getRealCurrentLineNb() + 1, this.currentLine);
+ }
+ context = 'sequence';
+
+ if ( !this.isDefined(data) ) data = [];
+ //if ( !(data instanceof Array) ) throw new YamlParseException("Non array entry", this.getRealCurrentLineNb() + 1, this.currentLine);
+
+ values = {leadspaces: values[2], value: values[3]};
+
+ if ( this.isDefined(values.value) && ( matches = /^&([^ ]+) *(.*)/.exec(values.value) ) )
+ {
+ matches = {ref: matches[1], value: matches[2]};
+ isRef = matches.ref;
+ values.value = matches.value;
+ }
+
+ // array
+ if ( !this.isDefined(values.value) || '' == this.trim(values.value) || values.value.replace(/^ +/,'').charAt(0) == '#' )
+ {
+ c = this.getRealCurrentLineNb() + 1;
+ parser = new YamlParser(c);
+ parser.refs = this.refs;
+ data.push(parser.parse(this.getNextEmbedBlock()));
+ this.refs = parser.refs;
+ }
+ else
+ {
+ if ( this.isDefined(values.leadspaces) &&
+ ' ' == values.leadspaces &&
+ ( matches = new RegExp('^('+YamlInline.REGEX_QUOTED_STRING+'|[^ \'"\{\[].*?) *\:(\\s+(.+?))?\\s*$').exec(values.value) )
+ ) {
+ matches = {key: matches[1], value: matches[3]};
+ // this is a compact notation element, add to next block and parse
+ c = this.getRealCurrentLineNb();
+ parser = new YamlParser(c);
+ parser.refs = this.refs;
+ block = values.value;
+
+ if ( !this.isNextLineIndented() )
+ {
+ block += "\n"+this.getNextEmbedBlock(this.getCurrentLineIndentation() + 2);
+ }
+
+ data.push(parser.parse(block));
+ this.refs = parser.refs;
+ }
+ else
+ {
+ data.push(this.parseValue(values.value));
+ }
+ }
+ }
+ else if ( values = new RegExp('^('+YamlInline.REGEX_QUOTED_STRING+'|[^ \'"\[\{].*?) *\:(\\s+(.+?))?\\s*$').exec(this.currentLine) )
+ {
+ if ( !this.isDefined(data) ) data = {};
+ if (context && 'sequence' == context) {
+ throw new YamlParseException('You cannot define a mapping item when in a sequence', this.getRealCurrentLineNb() + 1, this.currentLine);
+ }
+ context = 'mapping';
+ //if ( data instanceof Array ) throw new YamlParseException("Non mapped entry", this.getRealCurrentLineNb() + 1, this.currentLine);
+
+ values = {key: values[1], value: values[3]};
+
+ try {
+ key = new YamlInline().parseScalar(values.key);
+ } catch (e) {
+ if ( e instanceof YamlParseException ) {
+ e.setParsedLine(this.getRealCurrentLineNb() + 1);
+ e.setSnippet(this.currentLine);
+ }
+ throw e;
+ }
+
+
+ if ( '<<' == key )
+ {
+ if ( this.isDefined(values.value) && '*' == (values.value+'').charAt(0) )
+ {
+ isInPlace = values.value.substr(1);
+ if ( this.refs[isInPlace] == undefined )
+ {
+ throw new YamlParseException('Reference "'+value+'" does not exist', this.getRealCurrentLineNb() + 1, this.currentLine);
+ }
+ }
+ else
+ {
+ if ( this.isDefined(values.value) && values.value != '' )
+ {
+ value = values.value;
+ }
+ else
+ {
+ value = this.getNextEmbedBlock();
+ }
+
+ c = this.getRealCurrentLineNb() + 1;
+ parser = new YamlParser(c);
+ parser.refs = this.refs;
+ parsed = parser.parse(value);
+ this.refs = parser.refs;
+
+ var merged = [];
+ if ( !this.isObject(parsed) )
+ {
+ throw new YamlParseException("YAML merge keys used with a scalar value instead of an array", this.getRealCurrentLineNb() + 1, this.currentLine);
+ }
+ else if ( this.isDefined(parsed[0]) )
+ {
+ // Numeric array, merge individual elements
+ reverse = this.reverseArray(parsed);
+ len = reverse.length;
+ for ( var i = 0; i < len; i++ )
+ {
+ var parsedItem = reverse[i];
+ if ( !this.isObject(reverse[i]) )
+ {
+ throw new YamlParseException("Merge items must be arrays", this.getRealCurrentLineNb() + 1, this.currentLine);
+ }
+ merged = this.mergeObject(reverse[i], merged);
+ }
+ }
+ else
+ {
+ // Associative array, merge
+ merged = this.mergeObject(merged, parsed);
+ }
+
+ isProcessed = merged;
+ }
+ }
+ else if ( this.isDefined(values.value) && (matches = /^&([^ ]+) *(.*)/.exec(values.value) ) )
+ {
+ matches = {ref: matches[1], value: matches[2]};
+ isRef = matches.ref;
+ values.value = matches.value;
+ }
+
+ if ( isProcessed )
+ {
+ // Merge keys
+ data = isProcessed;
+ }
+ // hash
+ else if ( !this.isDefined(values.value) || '' == this.trim(values.value) || this.trim(values.value).charAt(0) == '#' )
+ {
+ // if next line is less indented or equal, then it means that the current value is null
+ if ( this.isNextLineIndented() && !this.isNextLineUnIndentedCollection() )
+ {
+ data[key] = null;
+ }
+ else
+ {
+ c = this.getRealCurrentLineNb() + 1;
+ parser = new YamlParser(c);
+ parser.refs = this.refs;
+ data[key] = parser.parse(this.getNextEmbedBlock());
+ this.refs = parser.refs;
+ }
+ }
+ else
+ {
+ if ( isInPlace )
+ {
+ data = this.refs[isInPlace];
+ }
+ else
+ {
+ data[key] = this.parseValue(values.value);
+ }
+ }
+ }
+ else
+ {
+ // 1-liner followed by newline
+ if ( 2 == this.lines.length && this.isEmpty(this.lines[1]) )
+ {
+ try {
+ value = new YamlInline().parse(this.lines[0]);
+ } catch (e) {
+ if ( e instanceof YamlParseException ) {
+ e.setParsedLine(this.getRealCurrentLineNb() + 1);
+ e.setSnippet(this.currentLine);
+ }
+ throw e;
+ }
+
+ if ( this.isObject(value) )
+ {
+ var first = value[0];
+ if ( typeof(value) == 'string' && '*' == first.charAt(0) )
+ {
+ data = [];
+ len = value.length;
+ for ( var i = 0; i < len; i++ )
+ {
+ data.push(this.refs[value[i].substr(1)]);
+ }
+ value = data;
+ }
+ }
+
+ return value;
+ }
+
+ throw new YamlParseException('Unable to parse.', this.getRealCurrentLineNb() + 1, this.currentLine);
+ }
+
+ if ( isRef )
+ {
+ if ( data instanceof Array )
+ this.refs[isRef] = data[data.length-1];
+ else
+ {
+ var lastKey = null;
+ for ( var k in data )
+ {
+ if ( data.hasOwnProperty(k) ) lastKey = k;
+ }
+ this.refs[isRef] = data[k];
+ }
+ }
+ }
+
+ return this.isEmpty(data) ? null : data;
+ },
+
+ /**
+ * Returns the current line number (takes the offset into account).
+ *
+ * @return integer The current line number
+ */
+ getRealCurrentLineNb: function()
+ {
+ return this.currentLineNb + this.offset;
+ },
+
+ /**
+ * Returns the current line indentation.
+ *
+ * @return integer The current line indentation
+ */
+ getCurrentLineIndentation: function()
+ {
+ return this.currentLine.length - this.currentLine.replace(/^ +/g, '').length;
+ },
+
+ /**
+ * Returns the next embed block of YAML.
+ *
+ * @param {number} indentation The indent level at which the block is to be read, or null for default
+ *
+ * @return string A YAML string
+ *
+ * @throws YamlParseException When indentation problem are detected
+ */
+ getNextEmbedBlock: function(indentation)
+ {
+ this.moveToNextLine();
+ var newIndent = null;
+ var indent = null;
+
+ if ( !this.isDefined(indentation) )
+ {
+ newIndent = this.getCurrentLineIndentation();
+
+ var unindentedEmbedBlock = this.isStringUnIndentedCollectionItem(this.currentLine);
+
+ if ( !this.isCurrentLineEmpty() && 0 == newIndent && !unindentedEmbedBlock )
+ {
+ throw new YamlParseException('Indentation problem A', this.getRealCurrentLineNb() + 1, this.currentLine);
+ }
+ }
+ else
+ {
+ newIndent = indentation;
+ }
+
+ var data = [this.currentLine.substr(newIndent)];
+
+ var isUnindentedCollection = this.isStringUnIndentedCollectionItem(this.currentLine);
+
+ var continuationIndent = -1;
+ if (isUnindentedCollection === true) {
+ continuationIndent = 1 + /^\-((\s+)(.+?))?\s*$/.exec(this.currentLine)[2].length;
+ }
+
+ while ( this.moveToNextLine() )
+ {
+
+ if (isUnindentedCollection && !this.isStringUnIndentedCollectionItem(this.currentLine) && this.getCurrentLineIndentation() != continuationIndent) {
+ this.moveToPreviousLine();
+ break;
+ }
+
+ if ( this.isCurrentLineEmpty() )
+ {
+ if ( this.isCurrentLineBlank() )
+ {
+ data.push(this.currentLine.substr(newIndent));
+ }
+
+ continue;
+ }
+
+ indent = this.getCurrentLineIndentation();
+ var matches;
+ if ( matches = /^( *)$/.exec(this.currentLine) )
+ {
+ // empty line
+ data.push(matches[1]);
+ }
+ else if ( indent >= newIndent )
+ {
+ data.push(this.currentLine.substr(newIndent));
+ }
+ else if ( 0 == indent )
+ {
+ this.moveToPreviousLine();
+
+ break;
+ }
+ else
+ {
+ throw new YamlParseException('Indentation problem B', this.getRealCurrentLineNb() + 1, this.currentLine);
+ }
+ }
+
+ return data.join("\n");
+ },
+
+ /**
+ * Moves the parser to the next line.
+ *
+ * @return Boolean
+ */
+ moveToNextLine: function()
+ {
+ if ( this.currentLineNb >= this.lines.length - 1 )
+ {
+ return false;
+ }
+
+ this.currentLineNb++;
+ this.currentLine = this.lines[this.currentLineNb];
+
+ return true;
+ },
+
+ /**
+ * Moves the parser to the previous line.
+ */
+ moveToPreviousLine: function()
+ {
+ this.currentLineNb--;
+ this.currentLine = this.lines[this.currentLineNb];
+ },
+
+ /**
+ * Parses a YAML value.
+ *
+ * @param {string} value A YAML value
+ *
+ * @return mixed A JS value
+ *
+ * @throws YamlParseException When reference does not exist
+ */
+ parseValue: function(value)
+ {
+ if ( '*' == (value+'').charAt(0) )
+ {
+ if ( this.trim(value).charAt(0) == '#' )
+ {
+ value = (value+'').substr(1, value.indexOf('#') - 2);
+ }
+ else
+ {
+ value = (value+'').substr(1);
+ }
+
+ if ( this.refs[value] == undefined )
+ {
+ throw new YamlParseException('Reference "'+value+'" does not exist', this.getRealCurrentLineNb() + 1, this.currentLine);
+ }
+ return this.refs[value];
+ }
+
+ var matches = null;
+ if ( matches = /^(\||>)(\+|\-|\d+|\+\d+|\-\d+|\d+\+|\d+\-)?( +#.*)?$/.exec(value) )
+ {
+ matches = {separator: matches[1], modifiers: matches[2], comments: matches[3]};
+ var modifiers = this.isDefined(matches.modifiers) ? matches.modifiers : '';
+
+ return this.parseFoldedScalar(matches.separator, modifiers.replace(/\d+/g, ''), Math.abs(parseInt(modifiers)));
+ }
+ try {
+ return new YamlInline().parse(value);
+ } catch (e) {
+ if ( e instanceof YamlParseException ) {
+ e.setParsedLine(this.getRealCurrentLineNb() + 1);
+ e.setSnippet(this.currentLine);
+ }
+ throw e;
+ }
+ },
+
+ /**
+ * Parses a folded scalar.
+ *
+ * @param {string} separator The separator that was used to begin this folded scalar (| or >)
+ * @param {string} indicator The indicator that was used to begin this folded scalar (+ or -)
+ * @param {number} indentation The indentation that was used to begin this folded scalar
+ *
+ * @return string The text value
+ */
+ parseFoldedScalar: function(separator, indicator, indentation)
+ {
+ if ( indicator == undefined ) indicator = '';
+ if ( indentation == undefined ) indentation = 0;
+
+ separator = '|' == separator ? "\n" : ' ';
+ var text = '';
+ var diff = null;
+
+ var notEOF = this.moveToNextLine();
+
+ while ( notEOF && this.isCurrentLineBlank() )
+ {
+ text += "\n";
+
+ notEOF = this.moveToNextLine();
+ }
+
+ if ( !notEOF )
+ {
+ return '';
+ }
+
+ var matches = null;
+ if ( !(matches = new RegExp('^('+(indentation ? this.strRepeat(' ', indentation) : ' +')+')(.*)$').exec(this.currentLine)) )
+ {
+ this.moveToPreviousLine();
+
+ return '';
+ }
+
+ matches = {indent: matches[1], text: matches[2]};
+
+ var textIndent = matches.indent;
+ var previousIndent = 0;
+
+ text += matches.text + separator;
+ while ( this.currentLineNb + 1 < this.lines.length )
+ {
+ this.moveToNextLine();
+
+ if ( matches = new RegExp('^( {'+textIndent.length+',})(.+)$').exec(this.currentLine) )
+ {
+ matches = {indent: matches[1], text: matches[2]};
+
+ if ( ' ' == separator && previousIndent != matches.indent )
+ {
+ text = text.substr(0, text.length - 1)+"\n";
+ }
+
+ previousIndent = matches.indent;
+
+ diff = matches.indent.length - textIndent.length;
+ text += this.strRepeat(' ', diff) + matches.text + (diff != 0 ? "\n" : separator);
+ }
+ else if ( matches = /^( *)$/.exec(this.currentLine) )
+ {
+ text += matches[1].replace(new RegExp('^ {1,'+textIndent.length+'}','g'), '')+"\n";
+ }
+ else
+ {
+ this.moveToPreviousLine();
+
+ break;
+ }
+ }
+
+ if ( ' ' == separator )
+ {
+ // replace last separator by a newline
+ text = text.replace(/ (\n*)$/g, "\n$1");
+ }
+
+ switch ( indicator )
+ {
+ case '':
+ text = text.replace(/\n+$/g, "\n");
+ break;
+ case '+':
+ break;
+ case '-':
+ text = text.replace(/\n+$/g, '');
+ break;
+ }
+
+ return text;
+ },
+
+ /**
+ * Returns true if the next line is indented.
+ *
+ * @return Boolean Returns true if the next line is indented, false otherwise
+ */
+ isNextLineIndented: function()
+ {
+ var currentIndentation = this.getCurrentLineIndentation();
+ var notEOF = this.moveToNextLine();
+
+ while ( notEOF && this.isCurrentLineEmpty() )
+ {
+ notEOF = this.moveToNextLine();
+ }
+
+ if ( false == notEOF )
+ {
+ return false;
+ }
+
+ var ret = false;
+ if ( this.getCurrentLineIndentation() <= currentIndentation )
+ {
+ ret = true;
+ }
+
+ this.moveToPreviousLine();
+
+ return ret;
+ },
+
+ /**
+ * Returns true if the current line is blank or if it is a comment line.
+ *
+ * @return Boolean Returns true if the current line is empty or if it is a comment line, false otherwise
+ */
+ isCurrentLineEmpty: function()
+ {
+ return this.isCurrentLineBlank() || this.isCurrentLineComment();
+ },
+
+ /**
+ * Returns true if the current line is blank.
+ *
+ * @return Boolean Returns true if the current line is blank, false otherwise
+ */
+ isCurrentLineBlank: function()
+ {
+ return '' == this.trim(this.currentLine);
+ },
+
+ /**
+ * Returns true if the current line is a comment line.
+ *
+ * @return Boolean Returns true if the current line is a comment line, false otherwise
+ */
+ isCurrentLineComment: function()
+ {
+ //checking explicitly the first char of the trim is faster than loops or strpos
+ var ltrimmedLine = this.currentLine.replace(/^ +/g, '');
+ return ltrimmedLine.charAt(0) == '#';
+ },
+
+ /**
+ * Cleanups a YAML string to be parsed.
+ *
+ * @param {string} value The input YAML string
+ *
+ * @return string A cleaned up YAML string
+ */
+ cleanup: function(value)
+ {
+ value = value.split("\r\n").join("\n").split("\r").join("\n");
+
+ if ( !/\n$/.test(value) )
+ {
+ value += "\n";
+ }
+
+ // strip YAML header
+ var count = 0;
+ var regex = /^\%YAML[: ][\d\.]+.*\n/;
+ while ( regex.test(value) )
+ {
+ value = value.replace(regex, '');
+ count++;
+ }
+ this.offset += count;
+
+ // remove leading comments
+ regex = /^(#.*?\n)+/;
+ if ( regex.test(value) )
+ {
+ var trimmedValue = value.replace(regex, '');
+
+ // items have been removed, update the offset
+ this.offset += this.subStrCount(value, "\n") - this.subStrCount(trimmedValue, "\n");
+ value = trimmedValue;
+ }
+
+ // remove start of the document marker (---)
+ regex = /^\-\-\-.*?\n/;
+ if ( regex.test(value) )
+ {
+ trimmedValue = value.replace(regex, '');
+
+ // items have been removed, update the offset
+ this.offset += this.subStrCount(value, "\n") - this.subStrCount(trimmedValue, "\n");
+ value = trimmedValue;
+
+ // remove end of the document marker (...)
+ value = value.replace(/\.\.\.\s*$/g, '');
+ }
+
+ return value;
+ },
+
+ /**
+ * Returns true if the next line starts unindented collection
+ *
+ * @return Boolean Returns true if the next line starts unindented collection, false otherwise
+ */
+ isNextLineUnIndentedCollection: function()
+ {
+ var currentIndentation = this.getCurrentLineIndentation();
+ var notEOF = this.moveToNextLine();
+
+ while (notEOF && this.isCurrentLineEmpty()) {
+ notEOF = this.moveToNextLine();
+ }
+
+ if (false === notEOF) {
+ return false;
+ }
+
+ var ret = false;
+ if (
+ this.getCurrentLineIndentation() == currentIndentation
+ &&
+ this.isStringUnIndentedCollectionItem(this.currentLine)
+ ) {
+ ret = true;
+ }
+
+ this.moveToPreviousLine();
+
+ return ret;
+ },
+
+ /**
+ * Returns true if the string is unindented collection item
+ *
+ * @return Boolean Returns true if the string is unindented collection item, false otherwise
+ */
+ isStringUnIndentedCollectionItem: function(string)
+ {
+ return (0 === this.currentLine.indexOf('- '));
+ },
+
+ isObject: function(input)
+ {
+ return typeof(input) == 'object' && this.isDefined(input);
+ },
+
+ isEmpty: function(input)
+ {
+ return input == undefined || input == null || input == '' || input == 0 || input == "0" || input == false;
+ },
+
+ isDefined: function(input)
+ {
+ return input != undefined && input != null;
+ },
+
+ reverseArray: function(input /* Array */)
+ {
+ var result = [];
+ var len = input.length;
+ for ( var i = len-1; i >= 0; i-- )
+ {
+ result.push(input[i]);
+ }
+
+ return result;
+ },
+
+ merge: function(a /* Object */, b /* Object */)
+ {
+ var c = {};
+ var i;
+
+ for ( i in a )
+ {
+ if ( a.hasOwnProperty(i) )
+ if ( /^\d+$/.test(i) ) c.push(a);
+ else c[i] = a[i];
+ }
+ for ( i in b )
+ {
+ if ( b.hasOwnProperty(i) )
+ if ( /^\d+$/.test(i) ) c.push(b);
+ else c[i] = b[i];
+ }
+
+ return c;
+ },
+
+ strRepeat: function(str /* String */, count /* Integer */)
+ {
+ var i;
+ var result = '';
+ for ( i = 0; i < count; i++ ) result += str;
+ return result;
+ },
+
+ subStrCount: function(string, subString, start, length)
+ {
+ var c = 0;
+
+ string = '' + string;
+ subString = '' + subString;
+
+ if ( start != undefined ) string = string.substr(start);
+ if ( length != undefined ) string = string.substr(0, length);
+
+ var len = string.length;
+ var sublen = subString.length;
+ for ( var i = 0; i < len; i++ )
+ {
+ if ( subString == string.substr(i, sublen) )
+ c++;
+ i += sublen - 1;
+ }
+
+ return c;
+ },
+
+ trim: function(str /* String */)
+ {
+ return (str+'').replace(/^ +/,'').replace(/ +$/,'');
+ }
+};
+/**
+ * YamlEscaper encapsulates escaping rules for single and double-quoted
+ * YAML strings.
+ *
+ * @author Matthew Lewinski <matthew@lewinski.org>
+ */
+var YamlEscaper = function(){};
+YamlEscaper.prototype =
+{
+ /**
+ * Determines if a JS value would require double quoting in YAML.
+ *
+ * @param {string} value A JS value
+ *
+ * @return Boolean True if the value would require double quotes.
+ */
+ requiresDoubleQuoting: function(value)
+ {
+ return new RegExp(YamlEscaper.REGEX_CHARACTER_TO_ESCAPE).test(value);
+ },
+
+ /**
+ * Escapes and surrounds a JS value with double quotes.
+ *
+ * @param {string} value A JS value
+ *
+ * @return string The quoted, escaped string
+ */
+ escapeWithDoubleQuotes: function(value)
+ {
+ value = value + '';
+ var len = YamlEscaper.escapees.length;
+ var maxlen = YamlEscaper.escaped.length;
+ var esc = YamlEscaper.escaped;
+ for (var i = 0; i < len; ++i)
+ if ( i >= maxlen ) esc.push('');
+
+ var ret = '';
+ ret = value.replace(new RegExp(YamlEscaper.escapees.join('|'),'g'), function(str){
+ for(var i = 0; i < len; ++i){
+ if( str == YamlEscaper.escapees[i] )
+ return esc[i];
+ }
+ });
+ return '"' + ret + '"';
+ },
+
+ /**
+ * Determines if a JS value would require single quoting in YAML.
+ *
+ * @param {string} value A JS value
+ *
+ * @return Boolean True if the value would require single quotes.
+ */
+ requiresSingleQuoting: function(value)
+ {
+ return /[\s'":{}[\],&*#?]|^[-?|<>=!%@`]/.test(value);
+ },
+
+ /**
+ * Escapes and surrounds a JS value with single quotes.
+ *
+ * @param {string} value A JS value
+ *
+ * @return string The quoted, escaped string
+ */
+ escapeWithSingleQuotes : function(value)
+ {
+ return "'" + value.replace(/'/g, "''") + "'";
+ }
+};
+
+// Characters that would cause a dumped string to require double quoting.
+YamlEscaper.REGEX_CHARACTER_TO_ESCAPE = "[\\x00-\\x1f]|\xc2\x85|\xc2\xa0|\xe2\x80\xa8|\xe2\x80\xa9";
+
+// Mapping arrays for escaping a double quoted string. The backslash is
+// first to ensure proper escaping.
+YamlEscaper.escapees = ['\\\\', '\\"', '"',
+ "\x00", "\x01", "\x02", "\x03", "\x04", "\x05", "\x06", "\x07",
+ "\x08", "\x09", "\x0a", "\x0b", "\x0c", "\x0d", "\x0e", "\x0f",
+ "\x10", "\x11", "\x12", "\x13", "\x14", "\x15", "\x16", "\x17",
+ "\x18", "\x19", "\x1a", "\x1b", "\x1c", "\x1d", "\x1e", "\x1f",
+ "\xc2\x85", "\xc2\xa0", "\xe2\x80\xa8", "\xe2\x80\xa9"];
+YamlEscaper.escaped = ['\\"', '\\\\', '\\"',
+ "\\0", "\\x01", "\\x02", "\\x03", "\\x04", "\\x05", "\\x06", "\\a",
+ "\\b", "\\t", "\\n", "\\v", "\\f", "\\r", "\\x0e", "\\x0f",
+ "\\x10", "\\x11", "\\x12", "\\x13", "\\x14", "\\x15", "\\x16", "\\x17",
+ "\\x18", "\\x19", "\\x1a", "\\e", "\\x1c", "\\x1d", "\\x1e", "\\x1f",
+ "\\N", "\\_", "\\L", "\\P"];
+/**
+ * YamlUnescaper encapsulates unescaping rules for single and double-quoted
+ * YAML strings.
+ *
+ * @author Matthew Lewinski <matthew@lewinski.org>
+ */
+var YamlUnescaper = function(){};
+YamlUnescaper.prototype =
+{
+ /**
+ * Unescapes a single quoted string.
+ *
+ * @param {string} value A single quoted string.
+ *
+ * @return string The unescaped string.
+ */
+ unescapeSingleQuotedString: function(value)
+ {
+ return value.replace(/''/g, "'");
+ },
+
+ /**
+ * Unescapes a double quoted string.
+ *
+ * @param {string} value A double quoted string.
+ *
+ * @return string The unescaped string.
+ */
+ unescapeDoubleQuotedString: function(value)
+ {
+ var callback = function(m) {
+ return new YamlUnescaper().unescapeCharacter(m);
+ };
+
+ // evaluate the string
+ return value.replace(new RegExp(YamlUnescaper.REGEX_ESCAPED_CHARACTER, 'g'), callback);
+ },
+
+ /**
+ * Unescapes a character that was found in a double-quoted string
+ *
+ * @param {string} value An escaped character
+ *
+ * @return string The unescaped character
+ */
+ unescapeCharacter: function(value)
+ {
+ switch (value.charAt(1)) {
+ case '0':
+ return String.fromCharCode(0);
+ case 'a':
+ return String.fromCharCode(7);
+ case 'b':
+ return String.fromCharCode(8);
+ case 't':
+ return "\t";
+ case "\t":
+ return "\t";
+ case 'n':
+ return "\n";
+ case 'v':
+ return String.fromCharCode(11);
+ case 'f':
+ return String.fromCharCode(12);
+ case 'r':
+ return String.fromCharCode(13);
+ case 'e':
+ return "\x1b";
+ case ' ':
+ return ' ';
+ case '"':
+ return '"';
+ case '/':
+ return '/';
+ case '\\':
+ return '\\';
+ case 'N':
+ // U+0085 NEXT LINE
+ return "\x00\x85";
+ case '_':
+ // U+00A0 NO-BREAK SPACE
+ return "\x00\xA0";
+ case 'L':
+ // U+2028 LINE SEPARATOR
+ return "\x20\x28";
+ case 'P':
+ // U+2029 PARAGRAPH SEPARATOR
+ return "\x20\x29";
+ case 'x':
+ return this.pack('n', new YamlInline().hexdec(value.substr(2, 2)));
+ case 'u':
+ return this.pack('n', new YamlInline().hexdec(value.substr(2, 4)));
+ case 'U':
+ return this.pack('N', new YamlInline().hexdec(value.substr(2, 8)));
+ }
+ throw new Error( "unknown escape character '" + value.charAt(1) + "'");
+ },
+
+ /**
+ * @see http://phpjs.org/functions/pack
+ * @warning only modes used above copied
+ */
+ pack: function(B){var g=0,o=1,m="",l="",z=0,p=[],E,s,C,I,h,c;var d,b,x,H,u,e,A,q,D,t,w,a,G,F,y,v,f;while(g<B.length){E=B.charAt(g);s="";g++;while((g<B.length)&&(B.charAt(g).match(/[\d\*]/)!==null)){s+=B.charAt(g);g++}if(s===""){s="1"}switch(E){case"n":if(s==="*"){s=arguments.length-o}if(s>(arguments.length-o)){throw new Error("Warning: pack() Type "+E+": too few arguments")}for(z=0;z<s;z++){m+=String.fromCharCode(arguments[o]>>8&255);m+=String.fromCharCode(arguments[o]&255);o++}break;case"N":if(s==="*"){s=arguments.length-o}if(s>(arguments.length-o)){throw new Error("Warning: pack() Type "+E+": too few arguments")}for(z=0;z<s;z++){m+=String.fromCharCode(arguments[o]>>24&255);m+=String.fromCharCode(arguments[o]>>16&255);m+=String.fromCharCode(arguments[o]>>8&255);m+=String.fromCharCode(arguments[o]&255);o++}break;default:throw new Error("Warning: pack() Type "+E+": unknown format code")}}if(o<arguments.length){throw new Error("Warning: pack(): "+(arguments.length-o)+" arguments unused")}return m}
+};
+
+// Regex fragment that matches an escaped character in a double quoted
+// string.
+// why escape quotes, ffs!
+YamlUnescaper.REGEX_ESCAPED_CHARACTER = '\\\\([0abt\tnvfre "\\/\\\\N_LP]|x[0-9a-fA-F]{2}|u[0-9a-fA-F]{4}|U[0-9a-fA-F]{8})';
+
+/**
+ * YamlDumper dumps JS variables to YAML strings.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+var YamlDumper = function(){};
+YamlDumper.prototype =
+{
+ /**
+ * Dumps a JS value to YAML.
+ *
+ * @param input The JS value
+ * @param {number} inline The level where you switch to inline YAML
+ * @param {number} indent The level o indentation indentation (used internally)
+ *
+ * @return string The YAML representation of the JS value
+ */
+ dump: function(input, inline, indent)
+ {
+ if ( inline == null ) inline = 0;
+ if ( indent == null ) indent = 0;
+ var output = '';
+ var prefix = indent ? this.strRepeat(' ', indent) : '';
+ var yaml;
+ if (!this.numSpacesForIndentation) this.numSpacesForIndentation = 2;
+
+ if ( inline <= 0 || !this.isObject(input) || this.isEmpty(input) )
+ {
+ yaml = new YamlInline();
+ output += prefix + yaml.dump(input);
+ }
+ else
+ {
+ var isAHash = !this.arrayEquals(this.getKeys(input), this.range(0,input.length - 1));
+ var willBeInlined;
+
+ for ( var key in input )
+ {
+ if ( input.hasOwnProperty(key) )
+ {
+ willBeInlined = inline - 1 <= 0 || !this.isObject(input[key]) || this.isEmpty(input[key]);
+
+ if ( isAHash ) yaml = new YamlInline();
+
+ output +=
+ prefix + '' +
+ (isAHash ? yaml.dump(key)+':' : '-') + '' +
+ (willBeInlined ? ' ' : "\n") + '' +
+ this.dump(input[key], inline - 1, (willBeInlined ? 0 : indent + this.numSpacesForIndentation)) + '' +
+ (willBeInlined ? "\n" : '');
+ }
+ }
+ }
+
+ return output;
+ },
+
+ strRepeat: function(str /* String */, count /* Integer */)
+ {
+ var i;
+ var result = '';
+ for ( i = 0; i < count; i++ ) result += str;
+ return result;
+ },
+
+ isObject: function(input)
+ {
+ return this.isDefined(input) && typeof(input) == 'object';
+ },
+
+ isEmpty: function(input)
+ {
+ var ret = input == undefined || input == null || input == '' || input == 0 || input == "0" || input == false;
+ if ( !ret && typeof(input) == "object" && !(input instanceof Array)){
+ var propCount = 0;
+ for ( var key in input )
+ if ( input.hasOwnProperty(key) ) propCount++;
+ ret = !propCount;
+ }
+ return ret;
+ },
+
+ isDefined: function(input)
+ {
+ return input != undefined && input != null;
+ },
+
+ getKeys: function(tab)
+ {
+ var ret = [];
+
+ for ( var name in tab )
+ {
+ if ( tab.hasOwnProperty(name) )
+ {
+ ret.push(name);
+ }
+ }
+
+ return ret;
+ },
+
+ range: function(start, end)
+ {
+ if ( start > end ) return [];
+
+ var ret = [];
+
+ for ( var i = start; i <= end; i++ )
+ {
+ ret.push(i);
+ }
+
+ return ret;
+ },
+
+ arrayEquals: function(a,b)
+ {
+ if ( a.length != b.length ) return false;
+
+ var len = a.length;
+
+ for ( var i = 0; i < len; i++ )
+ {
+ if ( a[i] != b[i] ) return false;
+ }
+
+ return true;
+ }
+};
+})();
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