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56 lines
2.0 KiB
56 lines
2.0 KiB
-- Prosody IM v0.2
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-- Copyright (C) 2008 Matthew Wild
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-- Copyright (C) 2008 Waqas Hussain
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--
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-- This program is free software; you can redistribute it and/or
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-- modify it under the terms of the GNU General Public License
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-- as published by the Free Software Foundation; either version 2
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-- of the License, or (at your option) any later version.
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--
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-- This program is distributed in the hope that it will be useful,
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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-- GNU General Public License for more details.
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--
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-- You should have received a copy of the GNU General Public License
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-- along with this program; if not, write to the Free Software
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-- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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--
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--- WARNING! ---
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-- This file contains a mix of encodings below.
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-- Many editors will unquestioningly convert these for you.
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-- Please be careful :( (I recommend Scite)
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---------------------------------
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local gmatch = string.gmatch;
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local t_concat, t_insert = table.concat, table.insert;
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local to_byte, to_char = string.byte, string.char;
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local function _latin1toutf8(str)
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if not str then return str; end
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local p = {};
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for ch in gmatch(str, ".") do
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ch = to_byte(ch);
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if (ch < 0x80) then
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t_insert(p, to_char(ch));
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elseif (ch < 0xC0) then
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t_insert(p, to_char(0xC2, ch));
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else
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t_insert(p, to_char(0xC3, ch - 64));
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end
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end
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return t_concat(p);
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end
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function latin1toutf8()
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local function assert_utf8(latin, utf8)
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assert_equal(_latin1toutf8(latin), utf8, "Incorrect UTF8 from Latin1: "..tostring(latin));
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end
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assert_utf8("", "")
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assert_utf8("test", "test")
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assert_utf8(nil, nil)
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assert_utf8("foobar.råkat.se", "foobar.rÃ¥kat.se")
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end
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