class TP_XML_IDENTIFIER

(source code)

description

Match XML language identifier name

note
	description: "Match XML language identifier name"

	author: "Finnian Reilly"
	copyright: "Copyright (c) 2001-2022 Finnian Reilly"
	contact: "finnian at eiffel hyphen loop dot com"

	license: "MIT license (See: en.wikipedia.org/wiki/MIT_License)"
	date: "2022-11-21 14:24:57 GMT (Monday 21st November 2022)"
	revision: "3"


class
	TP_XML_IDENTIFIER

inherit
	TP_IDENTIFIER

feature {NONE} -- Implementation

	i_th_conforms (
		i: INTEGER_32; text: READABLE_STRING_GENERAL; is_first_character, uppercase_only, letter_first: BOOLEAN
	): BOOLEAN
		-- `True' if i'th character conforms to language rule
		do
			inspect text [i]
				when 'A' .. 'Z' then
					Result := True

				when '_' then
					Result := letter_first implies not is_first_character

				when 'a' .. 'z' then
					Result := not uppercase_only

				when '0' .. '9', '.', '-' then
					Result := not is_first_character
			else
			end
		end

feature {NONE} -- Constants

	Language_name: STRING
		once
			Result := "XML"
		end

end