ColdFusion & AJAX: Converting ColdFusion Objects to Javascript Objects

<cffunction name="QueryToArray" access="public" returntype="string" output="false"
	hint="Converts a query into Javascript code for an array of structures. Will return strings in the form of 'new Array(new Object(), new Object()....);'">

	<!--- Define arguments. --->
	<cfargument name="Data" type="query" required="true" />

	<cfscript>

		// Define the local scope.
		var LOCAL = StructNew();

		// Convert the column list to an array for faster parsing.
		LOCAL.ColumnList = ListToArray( ARGUMENTS.Data.ColumnList );

		// Create the string buffer for creating the response string.
		LOCAL.ResponseBuffer = CreateObject( "java", "java.lang.StringBuffer" );

		// Start the array. This array will be an array of objects.
		LOCAL.ResponseBuffer.Append( "new Array(" );

		// Loop over the query and create an object for each for.
		for (LOCAL.Row = 1 ; LOCAL.Row LTE ARGUMENTS.Data.RecordCount ; LOCAL.Row = (LOCAL.Row + 1)){

			// Create the row object.
			LOCAL.ResponseBuffer.Append( "{" );

			// Loop over the columns to create the object values.
			for (LOCAL.Column = 1 ; LOCAL.Column LTE ArrayLen( LOCAL.ColumnList ) ; LOCAL.Column = (LOCAL.Column + 1)){

				// Get the key.
				LOCAL.Key = LOCAL.ColumnList[ LOCAL.Column ];

				// Get the value.
				LOCAL.Value = ARGUMENTS.Data[ LOCAL.Key ][ LOCAL.Row ];

				// Add the pair. Escape the value so that is doesn't break the string. This requires the
				// use of the "\" before single quotes, double quotes, and backward slashes (which
				// ordinarily would be special characters in Javascript).
				LOCAL.ResponseBuffer.Append( LCase( LOCAL.Key ) & ":""" & REReplace( LOCAL.Value, "(""|\\)", "\\\1", "ALL" ) & """" );

				// Check to see if we need to add the comma.
				if (LOCAL.Column LT ListLen( ARGUMENTS.Data.ColumnList )){
					LOCAL.ResponseBuffer.Append( "," );
				}

			}

			// Close the row object.
			LOCAL.ResponseBuffer.Append( "}" );

			// Check to see if we will have more objects to add.
			if (LOCAL.Row LT ARGUMENTS.Data.RecordCount){
				LOCAL.ResponseBuffer.Append( "," );
			}

		}

		// End the array.
		LOCAL.ResponseBuffer.Append( ")" );

		// Return the string.
		return( LOCAL.ResponseBuffer.ToString() );

	</cfscript>
</cffunction>

// Loop over the rows in the "query" which is now an array.
for (var intRow = 0 ; intRow < arrResults.length ; intRow++){

	// Loop over each column and alert.
	for (var strColumn in arrResults[ intRow ]){
		alert( strColumn + " : " + arrResults[ intRow ][ strColumn ] );
	}

	// Or, you can call columns directly.
	alert( arrResults[ intRow ].id );
	alert( arrResults[ intRow ].name );

}

<cffunction name="StructToObject" access="public" returntype="string" output="false"
	hint="Converts a ColdFusion struct of SIMPLE values into a Javascript object. Will return strings in the form of: new Object({})">

	<!--- Define arguments. --->
	<cfargument name="Data" type="struct" required="true" />

	<cfscript>

		// Define the local scope.
		var LOCAL = StructNew();

		// Create the string buffer for creating the response string.
		LOCAL.ResponseBuffer = CreateObject( "java", "java.lang.StringBuffer" );

		// Start the object.
		LOCAL.ResponseBuffer.Append( "{" );

		// Get the key count.
		LOCAL.KeyCount = StructCount( ARGUMENTS.Data );

		// Get an index for keeping track of the key usage.
		LOCAL.KeyIndex = 1;

		// Loop over the keys to create the object values.
		for (LOCAL.Key in ARGUMENTS.Data){

			// Get the value.
			LOCAL.Value = ARGUMENTS.Data[ LOCAL.Key ];

			// Add the pair. Escape the value so that is doesn't break the string. This requires the
			// use of the "\" before single quotes, double quotes, and backward slashes (which
			// ordinarily would be special characters in Javascript).
			LOCAL.ResponseBuffer.Append( LCase( LOCAL.Key ) & ":""" & REReplace( LOCAL.Value, "(""|\\)", "\\\1", "ALL" ) & """" );

			// Check to see if we need to add the comma.
			if (LOCAL.KeyIndex LT LOCAL.KeyCount){
				LOCAL.ResponseBuffer.Append( "," );
			}

			// Add one to the key index.
			LOCAL.KeyIndex = (LOCAL.KeyIndex + 1);

		}

		// End the object.
		LOCAL.ResponseBuffer.Append( "}" );

		// Return the string.
		return( LOCAL.ResponseBuffer.ToString() );

	</cfscript>
</cffunction>

alert( objData.id );
alert( objData.name );

<cfset objTest = StructNew() />
<cfset objTest.id = 1 />
<cfset objTest.name = "ben nadel" />
<cfset objTest.rich = false />
<cfset objTest.smart = true />
<cfset objTest.girlfriend = "molly" />
<cfset objTest.mood = "freakin' sweet" />

objData = new Object();
objData["mood"] = "freakin\' sweet";
objData["girlfriend"] = "molly";
objData["name"] = "ben nadel";
objData["id"] = "1";
objData["rich"] = "false";
objData["smart"] = "true";

new Object({
	mood:"freakin\' sweet",
	girlfriend:"molly",
	name:"ben nadel",
	id:"1",
	rich:"false",
	smart:"true"
})