Shayne

<cfcomponent output="false">
    <cfscript>
        this.COUNTUP   = 1;
        this.COUNTDOWN = 0;

        instance           = StructNew();
        instance.delimiter = "";
        instance.direction = 1;
        instance.endNum    = 0;
        instance.startNum  = 0;
    </cfscript>

    <cffunction name="init" output="false" access="public">
        <cfargument name="startNum" required="true" />
        <cfargument name="endNum" required="true" />
        <cfargument name="direction" default="-1" />
        <cfscript>
            setStartNum(arguments.startNum);
            setEndNum(arguments.endNum);

            if (arguments.direction EQ -1) {
                if (arguments.startNum LTE arguments.endNum) {
                    setCountUp();
                } else {
                    setCountDown();
                }
            } else {
                setDirection(arguments.direction);
            }
        </cfscript>
        <cfreturn this />
    </cffunction>

    <cffunction name="run" output="false" access="public">
        <cfscript>
            var output = "";
            var i      = 0;
            var start  = getStartNum();
            var end    = getEndNum();
            var doAbs  = false;

            if (getEndNum() LTE getStartNum()) {
                start = start * -1;
                end   = end * -1;
            }

            for (i=start; i LTE end; i++) {
                output &= IIf(doAbs, Abs(i), i);
                if (hasDelimiter() AND i LT end) {
                    output &= getDelimiter();
                }
            }
        </cfscript>
        <cfreturn output />
    </cffunction>

    <!--- Getters/Setters --->

    <cffunction name="getDirection" output="false" access="public">
        <cfreturn instance.direction />
    </cffunction>

    <cffunction name="setDirection" output="false" access="public">
        <cfargument name="direction" required="true" />
        <cfset instance.direction = arguments.direction />
    </cffunction>

    <cffunction name="getEndNum" output="false" access="public">
        <cfreturn instance.endNum />
    </cffunction>

    <cffunction name="setEndNum" output="false" access="public">
        <cfargument name="endNum" required="true" />
        <cfset instance.endNum = arguments.endNum />
    </cffunction>

    <cffunction name="hasDelimiter" output="false" access="public">
        <cfreturn StructKeyExists(instance, "delimiter") AND Len(instance.delimiter) GT 0 />
    </cffunction>

    <cffunction name="getDelimiter" output="false" access="public">
        <cfreturn instance.delimiter />
    </cffunction>

    <cffunction name="setDelimiter" output="false" access="public">
        <cfargument name="delimiter" required="true" />
        <cfset instance.delimiter = arguments.delimiter />
    </cffunction>

    <cffunction name="getStartNum" output="false" access="public">
        <cfreturn instance.startNum />
    </cffunction>

    <cffunction name="setStartNum" output="false" access="public">
        <cfargument name="startNum" required="true" />
        <cfset instance.startNum = arguments.startNum />
    </cffunction>

    <cffunction name="setCountUp" output="false" access="public">
        <cfset setDirection(this.COUNTUP) />
    </cffunction>

    <cffunction name="setCountDown" output="false" access="public">
        <cfset setDirection(this.COUNTDOWN) />
    </cffunction>
</cfcomponent>