From: "Iñaki Baz Castillo" <ibc@...>
Date: 2009-04-03T03:29:23+09:00
Subject: Re: String#capitalize more complex

El Jueves 02 Abril 2009, trans escribió:
> I would look at the camelcase implementations of Facets, English or
> ActiveSupport. They are pretty close to what you want. You may even be
> able to use one of them outright.

Thanks, but finally I've decided to create a Ruby C extension for that. The 
code is very simple and fast:

---------------------

/*
 * Capitalize each word of a header name. Examples:
 * - "record-route" => "Record-Route"
 * - "from" => "From"
 * - "VIA" => "Via"
 *
 */

	char *string;
	int i;
		
	string = XXXXXX
	
	if ( string[0] >= 'a' && string[0] <= 'z' )  // 'a'=97, 'z'=122
		string[0] -= 32;
	
	for (i=1; i<strlen(string); i++) {
		if ( string[i-1] == '-' && string[i] >= 'a' && string[i] <= 'z' )
			string[i] -= 32;
		else if ( string[i] >= 'A' && string[i] <= 'Z' )
			string[i] += 32;
	}


-- 
Iñaki Baz Castillo <ibc@aliax.net>