note
	description: "Base addresses for help contexts URLs"
	legal: "See notice at end of class."
	status: "See notice at end of class."

class
	WIZARD_HELP_CONTEXT_BASES

feature -- Access

	Root_index: STRING = "index.html"
			-- Default help file for a given base

	url_extension: STRING = ".html"
			-- URL extension

feature -- Status Report

	is_valid_url (a_url: READABLE_STRING_GENERAL): BOOLEAN
			-- Does `a_url' have a valid URL syntax?
		local
		--	i: INTEGER
		do
			Result := True
		--	from
		--		i := 1
		--		Result := a_url /= Void and then a_url.count > url_extension.count
		--	until
		--		i > (a_url.count - url_extension.count) or not Result
		--	loop
		--		Result := Result and ((a_url.item (i) > 'A' and a_url.item (i) < 'z') or a_url.item (i) = '/' or a_url.item (i) = ':')
		--		i := i + 1
		--	end
		--	Result := Result and then (a_url.substring (a_url.count - url_extension.count + 1, a_url.count).is_equal (url_extension) or (a_url.has ('#') and a_url.substring (a_url.index_of ('#', 1) - url_extension.count, a_url.index_of ('#', 1) - 1 ).is_equal (url_extension)))
		end

note
	copyright:	"Copyright (c) 1984-2012, Eiffel Software and others"
	license:	"Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
	source: "[
			Eiffel Software
			5949 Hollister Ave., Goleta, CA 93117 USA
			Telephone 805-685-1006, Fax 805-685-6869
			Website http://www.eiffel.com
			Customer support http://support.eiffel.com
		]"




end -- class WIZARD_HELP_CONTEXT_BASES