-- Prosody IM

-- Copyright (C) 2008-2009 Matthew Wild

-- Copyright (C) 2008-2009 Waqas Hussain

-- 

-- This project is MIT/X11 licensed. Please see the

-- COPYING file in the source package for more information.

--

--- WARNING! ---

-- This file contains a mix of encodings below. 

-- Many editors will unquestioningly convert these for you.

-- Please be careful :(  (I recommend Scite)

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

local	gmatch = string.gmatch;

local	t_concat, t_insert = table.concat, table.insert;

local	to_byte, to_char = string.byte, string.char;

local function _latin1toutf8(str)

		if not str then return str; end

                local p = {};

                for ch in gmatch(str, ".") do

                        ch = to_byte(ch);

                        if (ch < 0x80) then

                                t_insert(p, to_char(ch));

                        elseif (ch < 0xC0) then

                                t_insert(p, to_char(0xC2, ch));

                        else

                                t_insert(p, to_char(0xC3, ch - 64));

                        end

                end

                return t_concat(p);

        end

function latin1toutf8()

	local function assert_utf8(latin, utf8)

			assert_equal(_latin1toutf8(latin), utf8, "Incorrect UTF8 from Latin1: "..tostring(latin));

	end

	assert_utf8("", "")

	assert_utf8("test", "test")

	assert_utf8(nil, nil)

	assert_utf8("foobar.r�kat.se", "foobar.råkat.se")

end