I should probably put this under source control

12 years ago · aa6c56d1e0
2 changed files with 289 additions and 0 deletions
--- a/jquery.parse.js
+++ b/jquery.parse.js
@ -0,0 +1,283 @@
				@@ -0,0 +1,283 @@
+/*
+	jQuery Parse plugin
+	v0.5.0
+	https://github.com/mholt/jquery.parse
+*/
+
+(function($)
+{
+	var defaults = {
+		delimiter: ",",
+		header: true
+	};
+
+	$.parse = function(input, options)
+	{
+		options = verifyOptions(options);
+		var parser = new Parser(input, options);
+		return {
+			results: parser.parse(),
+			errors: parser.getErrors()
+		};
+	};
+
+	function verifyOptions(opt)
+	{
+		opt.delimeter = opt.delimiter || defaults.delimiter;
+		opt.header = typeof opt.header === 'undefined' ? defaults.header : opt.header;
+
+		if (opt.delimiter.length > 1)
+			opt.delimiter = opt.delimiter[0];
+
+		return opt;
+	}
+
+	function Parser(input, config)
+	{
+		var self = this;
+		var _input = input;
+		var _config = config;
+		var _errors = [];
+		var _state = emptyState();
+
+		this.parse = function(arg)
+		{
+			if (typeof arg === 'object')
+				self.setConfig(arg)
+			else if (typeof arg === 'string')
+				self.setInput(arg);
+
+			_errors = [];
+			_state = emptyState();
+
+			for (_state.i = 0; _state.i < _input.length; _state.i++)
+			{
+				_state.ch = _input[_state.i];
+				
+				if (_state.ch == '"')
+					handleQuote();
+				else if (_state.inQuotes)
+					inQuotes();
+				else
+					notInQuotes();
+			}
+
+			// Treat the last line and its last field
+			saveField();
+			trimEmptyLastLine();
+			inspectFieldCount();
+
+			if (_state.inQuotes)
+				addError("Unescaped or mismatched quotes");
+
+			return self.getParsed();
+		};
+
+		this.getDelimiter = function()
+		{
+			return config.delimiter;
+		};
+
+		this.setDelimiter = function(delim)
+		{
+			delim = delim || ",";
+			_config.delimiter = delim[0];
+		};
+
+		this.setConfig = function(opt)
+		{
+			if ((typeof opt.header !== 'undefined'
+					&& opt.header != config.header)
+				|| (typeof opt.delimiter !== 'undefined'
+					&& opt.delimiter != config.delimiter))
+			{
+				_state.parsed = emptyParsed(opt.header);
+			}
+
+			_config = opt;
+		}
+
+		this.getInput = function()
+		{
+			return _input;
+		}
+
+		this.setInput = function(input)
+		{
+			_input = input;
+		}
+
+		this.getParsed = function()
+		{
+			return _state.parsed;
+		}
+
+		this.getErrors = function()
+		{
+			return _errors;
+		}
+
+
+		function emptyParsed(header)
+		{
+			return header ? { fields: [], rows: [] } : [ [] ]; 
+		}
+
+		function emptyState()
+		{
+			return {
+				i: 0,
+				line: 1,
+				field: 0,
+				fieldVal: "",
+				ch: "",
+				inQuotes: false,
+				parsed: emptyParsed(config.header)
+			};
+		}
+
+		function handleQuote()
+		{
+			if (_state.i < _input.length - 1)
+			{
+				if (_input[_state.i+1] == '"' && _state.inQuotes)
+				{
+					_state.fieldVal += '"'
+					_state.i++;
+				}
+				else if (_input[_state.i+1] != _config.delimiter && _state.inQuotes)
+					return addError("Unescaped quote in field value");
+			}
+
+			_state.inQuotes = !_state.inQuotes;
+		}
+
+		function inQuotes()
+		{
+			appendCharToField();
+		}
+
+		function appendCharToField()
+		{
+			_state.fieldVal += _state.ch;
+		}
+
+		function notInQuotes()
+		{
+			if (_state.ch == _config.delimiter)
+			{
+				saveField();
+			}
+			else if (_state.ch == "\n")
+			{
+				saveField();
+				newRow();
+			}
+			else
+			{
+				appendCharToField();
+			}
+		}
+
+		function saveField()
+		{
+			if (_config.header)
+			{
+				if (_state.line == 1)
+				{
+					_state.parsed.fields.push(_state.fieldVal)
+				}
+				else
+				{
+					var currentRow = _state.parsed.rows[_state.parsed.rows.length - 1];
+					var fieldName = _state.parsed.fields[_state.field];
+					if (fieldName)
+						currentRow[fieldName] = _state.fieldVal;
+					else
+						addError("Too many fields; expected " + _state.parsed.fields.length + " fields, found extra value: '" + _state.fieldVal + "'");
+				}
+			}
+			else
+				_state.parsed[_state.parsed.length - 1].push(_state.fieldVal);
+			
+			_state.fieldVal = "";
+			_state.field ++;
+		}
+
+		function newRow()
+		{
+			trimEmptyLastLine();
+
+			if (_config.header)
+			{
+				inspectFieldCount();
+				if (_state.line > 0)
+					_state.parsed.rows.push({});
+			}
+			else
+				_state.parsed.push([]);
+
+			_state.line ++;
+			_state.field = 0;
+		}
+
+		function trimEmptyLastLine()
+		{
+			if (_config.header)
+			{
+				if (_state.line == 1)
+				{
+					if (_state.parsed.fields.length == 1
+						&& _state.parsed.fields[0].length == 0)
+					{
+						_state.parsed.fields = [];
+						_state.line --;
+					}
+				}
+				else
+				{
+					var lastRow = _state.parsed.rows[_state.parsed.rows.length - 1];
+					if (!lastRow[_state.parsed.fields[0]])
+						_state.parsed.rows.splice(_state.parsed.rows.length - 1, 1);
+				}
+			}
+			else
+			{
+				var lastRow = _state.parsed[_state.parsed.length - 1];
+				if (lastRow.length == 0 || (lastRow[0].length == 0))
+					_state.parsed.splice(_state.parsed.length - 1, 1);
+			}
+		}
+
+		function inspectFieldCount()
+		{
+			if (!_config.header)
+				return true;
+
+			if (_state.parsed.rows.length == 0)
+				return true;
+
+			var expected = _state.parsed.fields.length;
+			var actual = Object.keys(_state.parsed.rows[_state.parsed.rows.length - 1]).length;
+
+			if (expected != actual)
+				return addError("Too few fields; expected " + expected + " fields, parsed " + actual);
+
+			return true;
+		}
+
+		function addError(msg)
+		{
+			_errors.push({
+				message: msg,
+				line: _state.line,
+				row: _config.header ? _state.parsed.rows.length - 1 : _state.parsed.length - 1,
+				index: _state.i
+			});
+
+			return false;
+		}
+
+	}
+
+})(jQuery);
--- a/jquery.parse.min.js
+++ b/jquery.parse.min.js
@ -0,0 +1,6 @@
				@@ -0,0 +1,6 @@
+/*
+	jQuery Parse plugin
+	v0.5.0
+	https://github.com/mholt/jquery.parse
+*/
+;(function(e){function n(e){e.delimeter=e.delimiter||t.delimiter;e.header=typeof e.header==="undefined"?t.header:e.header;if(e.delimiter.length>1)e.delimiter=e.delimiter[0];return e}function r(e,t){function u(e){return e?{fields:[],rows:[]}:[[]]}function a(){return{i:0,line:1,field:0,fieldVal:"",ch:"",inQuotes:false,parsed:u(t.header)}}function f(){if(o.i<r.length-1){if(r[o.i+1]=='"'&&o.inQuotes){o.fieldVal+='"';o.i++}else if(r[o.i+1]!=i.delimiter&&o.inQuotes)return g("Unescaped quote in field value")}o.inQuotes=!o.inQuotes}function l(){c()}function c(){o.fieldVal+=o.ch}function h(){if(o.ch==i.delimiter){p()}else if(o.ch=="\n"){p();d()}else{c()}}function p(){if(i.header){if(o.line==1){o.parsed.fields.push(o.fieldVal)}else{var e=o.parsed.rows[o.parsed.rows.length-1];var t=o.parsed.fields[o.field];if(t)e[t]=o.fieldVal;else g("Too many fields; expected "+o.parsed.fields.length+" fields, found extra value: '"+o.fieldVal+"'")}}else o.parsed[o.parsed.length-1].push(o.fieldVal);o.fieldVal="";o.field++}function d(){v();if(i.header){m();if(o.line>0)o.parsed.rows.push({})}else o.parsed.push([]);o.line++;o.field=0}function v(){if(i.header){if(o.line==1){if(o.parsed.fields.length==1&&o.parsed.fields[0].length==0){o.parsed.fields=[];o.line--}}else{var e=o.parsed.rows[o.parsed.rows.length-1];if(!e[o.parsed.fields[0]])o.parsed.rows.splice(o.parsed.rows.length-1,1)}}else{var e=o.parsed[o.parsed.length-1];if(e.length==0||e[0].length==0)o.parsed.splice(o.parsed.length-1,1)}}function m(){if(!i.header)return true;if(o.parsed.rows.length==0)return true;var e=o.parsed.fields.length;var t=Object.keys(o.parsed.rows[o.parsed.rows.length-1]).length;if(e!=t)return g("Too few fields; expected "+e+" fields, parsed "+t);return true}function g(e){s.push({message:e,line:o.line,row:i.header?o.parsed.rows.length-1:o.parsed.length-1,index:o.i});return false}var n=this;var r=e;var i=t;var s=[];var o=a();this.parse=function(e){if(typeof e==="object")n.setConfig(e);else if(typeof e==="string")n.setInput(e);s=[];o=a();for(o.i=0;o.i<r.length;o.i++){o.ch=r[o.i];if(o.ch=='"')f();else if(o.inQuotes)l();else h()}p();v();m();if(o.inQuotes)g("Unescaped or mismatched quotes");return n.getParsed()};this.getDelimiter=function(){return t.delimiter};this.setDelimiter=function(e){e=e||",";i.delimiter=e[0]};this.setConfig=function(e){if(typeof e.header!=="undefined"&&e.header!=t.header||typeof e.delimiter!=="undefined"&&e.delimiter!=t.delimiter){o.parsed=u(e.header)}i=e};this.getInput=function(){return r};this.setInput=function(e){r=e};this.getParsed=function(){return o.parsed};this.getErrors=function(){return s}}var t={delimiter:",",header:true};e.parse=function(e,t){t=n(t);var i=new r(e,t);return{results:i.parse(),errors:i.getErrors()}}})(jQuery)