File: number_anchor.rb

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# number_anchor.rb $Revision: 1.3 $
#
# number_anchor: 󥫡id°ղä
#          󥫡ۤʤΤˤ뤿Τ
# 	   Ѥ뤵ϡ̤Υإå
#	   <%= use_number_anchor( 󥫡μ ) %>
#	   Ƚ񤤤Ƥ
#
# Copyright (C) 2002 by zoe <http://www.kasumi.sakura.ne.jp/~zoe/tdiary/>
# Distributed under the GPL
#

def use_number_anchor ( n = 1 )
	@use_number_anchor = true
	@total_anchor = n
	""
end

alias :_orig_anchor :anchor

def anchor( s )
	if @use_number_anchor == true then
	if /^(\d+)#?([pct])?(\d*)?$/ =~ s then
		if $2 then
			n = $3.to_i
			if n && n > @total_anchor then
				n = (n % @total_anchor)
			end
			"#{_orig_anchor(s)}\" class=\"#$2#{'%02d' % n}"
		else
			_orig_anchor(s)
		end
	else
		""
	end
	else
		_orig_anchor(s)
	end
end