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-- Prosody IM
-- Copyright (C) 2008-2010 Matthew Wild
-- Copyright (C) 2008-2010 Waqas Hussain
--
-- This project is MIT/X11 licensed. Please see the
-- COPYING file in the source package for more information.
--
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\229kat.se", "foobar.r\195\165kat.se")
end
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