CFLib.org – DeMoronize

DeMoronize(text)

Last updated September 2, 2010

author

Version: 2 | Requires: ColdFusion 5 | Library: StrLib

Rated 8 time(s). Average Rating: 2.7

Description:
Fixes text using Microsoft Latin-1 "Extentions", namely ASCII characters 128-160. Supplies semicolons where missing in HTML numeric and common non-numeric entities. This is a rough port of John Walker's demoroniser, written in Perl. http://www.fourmilab.ch/webtools/demoroniser/

Return Values:
Returns a string.

Example:

<cfset MSText = "My name is #Chr(147)#Foo#Chr(148)##Chr(133)#<br>">
<cfoutput>With MS Latin-1 Extentions:<br>#MSText#</cfoutput>

<cfset ValidText = DeMoronize(MSText)>
<cfoutput>Valid ASCII:<br>#ValidText#</cfoutput>

Parameters:

Name	Description	Required
text	Text to be modified.	Yes

Full UDF Source:

	
	<cfscript>
/**
 * Fixes text using Microsoft Latin-1 &quot;Extentions&quot;, namely ASCII characters 128-160.
 * ASCII8217 mod by Tony Brandner
 * 
 * @param text      Text to be modified. (Required)
 * @return Returns a string. 
 * @author Shawn Porter (sporter@rit.net) 
 * @version 2, September 2, 2010 
 */
function deMoronize (text) {
    var i = 0;

// map incompatible non-ISO characters into plausible 
    // substitutes
    text = Replace(text, Chr(128), "&euro;", "All");

    text = Replace(text, Chr(130), ",", "All");
    text = Replace(text, Chr(131), "<em>f</em>", "All");
    text = Replace(text, Chr(132), ",,", "All");
    text = Replace(text, Chr(133), "...", "All");
        
    text = Replace(text, Chr(136), "^", "All");

    text = Replace(text, Chr(139), ")", "All");
    text = Replace(text, Chr(140), "Oe", "All");

    text = Replace(text, Chr(145), "`", "All");
    text = Replace(text, Chr(146), "'", "All");
    text = Replace(text, Chr(147), """", "All");
    text = Replace(text, Chr(148), """", "All");
    text = Replace(text, Chr(149), "*", "All");
    text = Replace(text, Chr(150), "-", "All");
    text = Replace(text, Chr(151), "--", "All");
    text = Replace(text, Chr(152), "~", "All");
    text = Replace(text, Chr(153), "&trade;", "All");

    text = Replace(text, Chr(155), ")", "All");
    text = Replace(text, Chr(156), "oe", "All");

    // remove any remaining ASCII 128-159 characters
    for (i = 128; i LTE 159; i = i + 1)
        text = Replace(text, Chr(i), "", "All");

    // map Latin-1 supplemental characters into
    // their &name; encoded substitutes
    text = Replace(text, Chr(160), "&nbsp;", "All");

    text = Replace(text, Chr(163), "&pound;", "All");

    text = Replace(text, Chr(169), "&copy;", "All");

    text = Replace(text, Chr(176), "&deg;", "All");

    // encode ASCII 160-255 using ç format
    for (i = 160; i LTE 255; i = i + 1)
        text = REReplace(text, "(#Chr(i)#)", "&###i#;", "All");

    for (i = 8216; i LTE 8218; i = i + 1) text = Replace(text, Chr(i), "'", "All");
      
// supply missing semicolon at end of numeric entities
    text = ReReplace(text, "&##([0-2][[:digit:]]{2})([^;])", "&##\1;\2", "All");
    
// fix obscure numeric rendering of &lt; &gt; &amp;
    text = ReReplace(text, "&##038;", "&amp;", "All");
    text = ReReplace(text, "&##060;", "&lt;", "All");
    text = ReReplace(text, "&##062;", "&gt;", "All");

    // supply missing semicolon at the end of &amp; &quot;
    text = ReReplace(text, "&amp(^;)", "&amp;\1", "All");
    text = ReReplace(text, "&quot(^;)", "&quot;\1", "All");

    return text;
}
</cfscript>