CFLib.org – activateLinks

activateLinks(string)

Last updated February 22, 2011

author

Version: 1 | Requires: ColdFusion MX | Library: StrLib

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Description:
Converts text links into HTML links within a string. /!\ HTML links who already exists ARE'NT reconverted

Return Values:
Returns a string.

Example:

view plain print about

<cfoutput>
	<p>
		#activateLinks("my string with www.text-link.fr !")#
	</p>
</cfoutput>

<cfoutput>
    <p>
        #activateLinks("my string with www.text-link.fr !")#
    </p>
</cfoutput>

Parameters:

Name	Description	Required
string	Input string.	Yes

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				about
				ColdFISH is developed by Jason Delmore.  Source code and license information available at coldfish.riaforge.org.  Version 3.1.1
				
			<cfscript>
/**
 * Converts text links into HTML links within a string
 * 
 * @param string 	 Input string. (Required)
 * @return Returns a string. 
 * @author Robin Scherberich (&#115;&#99;&#104;&#101;&#114;&#98;&#101;&#114;&#105;&#99;&#104;&#46;&#114;&#64;&#103;&#109;&#97;&#105;&#108;&#46;&#99;&#111;&#109;) 
 * @version 1, February 22, 2011 
 */
function activateLinks( string )
{
	var stringLen = len( string );
	var currentPosition = 1;
	var urlArray = [];

	while( currentPosition < stringLen )
	{
		rezArray = REFindNoCase( "(?i)\b((?:https?://|www\d{0,3}[.]|[a-z0-9.\-]+[.][a-z]{2,4}/)(?:[^\s()<>]+|\(([^\s()<>]+|(\([^\s()<>]+\)))*\))+(?:\(([^\s()<>]+|(\([^\s()<>]+\)))*\)|[^\s`!()\[\]{};:'"".,<>?«»‘’]))", arguments.string, currentPosition, true );
		
		if( rezArray.len[1] != 0 ){
			arrayAppend( urlArray, mid( string, rezArray.pos[1]-2, rezArray.len[1]+2 ) );
			currentPosition = rezArray.pos[1] + rezArray.len[1];
		} else {
			currentPosition = stringLen;
		}
	}

	for( i = 1; i <= arrayLen( urlArray ); i++ )
	{
		if( left( urlArray[i], 2 ) != '="' )
		{
			link = right( urlArray[i], len( urlArray[i] )-2 );
			string = replace( string, link, '<a href="'& link &'">'& link &'</a>', "all" );
		} else {
			i++;
		}
	}

	return string;
}
</cfscript>
		<cfscript>
/**
 * Converts text links into HTML links within a string
 * 
 * @param string      Input string. (Required)
 * @return Returns a string. 
 * @author Robin Scherberich (scherberich.r@gmail.com) 
 * @version 1, February 22, 2011 
 */
function activateLinks( string )
{
    var stringLen = len( string );
    var currentPosition = 1;
    var urlArray = [];

    while( currentPosition < stringLen )
    {
        rezArray = REFindNoCase( "(?i)\b((?:https?://|www\d{0,3}[.]|[a-z0-9.\-]+[.][a-z]{2,4}/)(?:[^\s()<>]+|\(([^\s()<>]+|(\([^\s()<>]+\)))*\))+(?:\(([^\s()<>]+|(\([^\s()<>]+\)))*\)|[^\s`!()\[\]{};:'"".,<>?«»]))", arguments.string, currentPosition, true );
        
        if( rezArray.len[1] != 0 ){
            arrayAppend( urlArray, mid( string, rezArray.pos[1]-2, rezArray.len[1]+2 ) );
            currentPosition = rezArray.pos[1] + rezArray.len[1];
        } else {
            currentPosition = stringLen;
        }
    }

    for( i = 1; i <= arrayLen( urlArray ); i++ )
    {
        if( left( urlArray[i], 2 ) != '="' )
        {
            link = right( urlArray[i], len( urlArray[i] )-2 );
            string = replace( string, link, '<a href="'& link &'">'& link &'</a>', "all" );
        } else {
            i++;
        }
    }

    return string;
}
</cfscript>