From 2001db8c18bcd949f189f324f297a0204515be07 Mon Sep 17 00:00:00 2001 From: Avuton Olrich Date: Sun, 16 Jul 2006 17:49:15 +0000 Subject: Remove hosted libid3tag & libmad git-svn-id: https://svn.musicpd.org/mpd/trunk@4369 09075e82-0dd4-0310-85a5-a0d7c8717e4f --- src/libid3tag/utf16.c | 286 -------------------------------------------------- 1 file changed, 286 deletions(-) (limited to 'src/libid3tag/utf16.c') diff --git a/src/libid3tag/utf16.c b/src/libid3tag/utf16.c index 70ee9d5a8..e69de29bb 100644 --- a/src/libid3tag/utf16.c +++ b/src/libid3tag/utf16.c @@ -1,286 +0,0 @@ -/* - * libid3tag - ID3 tag manipulation library - * Copyright (C) 2000-2004 Underbit Technologies, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * $Id: utf16.c,v 1.9 2004/01/23 09:41:32 rob Exp $ - */ - -# ifdef HAVE_CONFIG_H -# include "config.h" -# endif - -# include "global.h" - -# include - -# include "id3tag.h" -# include "utf16.h" -# include "ucs4.h" - -/* - * NAME: utf16->length() - * DESCRIPTION: return the number of ucs4 chars represented by a utf16 string - */ -id3_length_t id3_utf16_length(id3_utf16_t const *utf16) -{ - id3_length_t length = 0; - - while (*utf16) { - if (utf16[0] < 0xd800 || utf16[0] > 0xdfff) - ++length; - else if (utf16[0] >= 0xd800 && utf16[0] <= 0xdbff && - utf16[1] >= 0xdc00 && utf16[1] <= 0xdfff) { - ++length; - ++utf16; - } - - ++utf16; - } - - return length; -} - -/* - * NAME: utf16->size() - * DESCRIPTION: return the encoding size of a utf16 string - */ -id3_length_t id3_utf16_size(id3_utf16_t const *utf16) -{ - id3_utf16_t const *ptr = utf16; - - while (*ptr) - ++ptr; - - return ptr - utf16 + 1; -} - -/* - * NAME: utf16->ucs4duplicate() - * DESCRIPTION: duplicate and decode a utf16 string into ucs4 - */ -id3_ucs4_t *id3_utf16_ucs4duplicate(id3_utf16_t const *utf16) -{ - id3_ucs4_t *ucs4; - - ucs4 = malloc((id3_utf16_length(utf16) + 1) * sizeof(*ucs4)); - if (ucs4) - id3_utf16_decode(utf16, ucs4); - - return release(ucs4); -} - -/* - * NAME: utf16->decodechar() - * DESCRIPTION: decode a series of utf16 chars into a single ucs4 char - */ -id3_length_t id3_utf16_decodechar(id3_utf16_t const *utf16, id3_ucs4_t *ucs4) -{ - id3_utf16_t const *start = utf16; - - while (1) { - if (utf16[0] < 0xd800 || utf16[0] > 0xdfff) { - *ucs4 = utf16[0]; - return utf16 - start + 1; - } - else if (utf16[0] >= 0xd800 && utf16[0] <= 0xdbff && - utf16[1] >= 0xdc00 && utf16[1] <= 0xdfff) { - *ucs4 = (((utf16[0] & 0x03ffL) << 10) | - ((utf16[1] & 0x03ffL) << 0)) + 0x00010000L; - return utf16 - start + 2; - } - - ++utf16; - } -} - -/* - * NAME: utf16->encodechar() - * DESCRIPTION: encode a single ucs4 char into a series of up to 2 utf16 chars - */ -id3_length_t id3_utf16_encodechar(id3_utf16_t *utf16, id3_ucs4_t ucs4) -{ - if (ucs4 < 0x00010000L) { - utf16[0] = ucs4; - - return 1; - } - else if (ucs4 < 0x00110000L) { - ucs4 -= 0x00010000L; - - utf16[0] = ((ucs4 >> 10) & 0x3ff) | 0xd800; - utf16[1] = ((ucs4 >> 0) & 0x3ff) | 0xdc00; - - return 2; - } - - /* default */ - - return id3_utf16_encodechar(utf16, ID3_UCS4_REPLACEMENTCHAR); -} - -/* - * NAME: utf16->decode() - * DESCRIPTION: decode a complete utf16 string into a ucs4 string - */ -void id3_utf16_decode(id3_utf16_t const *utf16, id3_ucs4_t *ucs4) -{ - do - utf16 += id3_utf16_decodechar(utf16, ucs4); - while (*ucs4++); -} - -/* - * NAME: utf16->encode() - * DESCRIPTION: encode a complete ucs4 string into a utf16 string - */ -void id3_utf16_encode(id3_utf16_t *utf16, id3_ucs4_t const *ucs4) -{ - do - utf16 += id3_utf16_encodechar(utf16, *ucs4); - while (*ucs4++); -} - -/* - * NAME: utf16->put() - * DESCRIPTION: serialize a single utf16 character - */ -id3_length_t id3_utf16_put(id3_byte_t **ptr, id3_utf16_t utf16, - enum id3_utf16_byteorder byteorder) -{ - if (ptr) { - switch (byteorder) { - default: - case ID3_UTF16_BYTEORDER_BE: - (*ptr)[0] = (utf16 >> 8) & 0xff; - (*ptr)[1] = (utf16 >> 0) & 0xff; - break; - - case ID3_UTF16_BYTEORDER_LE: - (*ptr)[0] = (utf16 >> 0) & 0xff; - (*ptr)[1] = (utf16 >> 8) & 0xff; - break; - } - - *ptr += 2; - } - - return 2; -} - -/* - * NAME: utf16->get() - * DESCRIPTION: deserialize a single utf16 character - */ -id3_utf16_t id3_utf16_get(id3_byte_t const **ptr, - enum id3_utf16_byteorder byteorder) -{ - id3_utf16_t utf16; - - switch (byteorder) { - default: - case ID3_UTF16_BYTEORDER_BE: - utf16 = - ((*ptr)[0] << 8) | - ((*ptr)[1] << 0); - break; - - case ID3_UTF16_BYTEORDER_LE: - utf16 = - ((*ptr)[0] << 0) | - ((*ptr)[1] << 8); - break; - } - - *ptr += 2; - - return utf16; -} - -/* - * NAME: utf16->serialize() - * DESCRIPTION: serialize a ucs4 string using utf16 encoding - */ -id3_length_t id3_utf16_serialize(id3_byte_t **ptr, id3_ucs4_t const *ucs4, - enum id3_utf16_byteorder byteorder, - int terminate) -{ - id3_length_t size = 0; - id3_utf16_t utf16[2], *out; - - if (byteorder == ID3_UTF16_BYTEORDER_ANY) - size += id3_utf16_put(ptr, 0xfeff, byteorder); - - while (*ucs4) { - switch (id3_utf16_encodechar(out = utf16, *ucs4++)) { - case 2: size += id3_utf16_put(ptr, *out++, byteorder); - case 1: size += id3_utf16_put(ptr, *out++, byteorder); - case 0: break; - } - } - - if (terminate) - size += id3_utf16_put(ptr, 0, byteorder); - - return size; -} - -/* - * NAME: utf16->deserialize() - * DESCRIPTION: deserialize a ucs4 string using utf16 encoding - */ -id3_ucs4_t *id3_utf16_deserialize(id3_byte_t const **ptr, id3_length_t length, - enum id3_utf16_byteorder byteorder) -{ - id3_byte_t const *end; - id3_utf16_t *utf16ptr, *utf16; - id3_ucs4_t *ucs4; - - end = *ptr + (length & ~1); - - utf16 = malloc((length / 2 + 1) * sizeof(*utf16)); - if (utf16 == 0) - return 0; - - if (byteorder == ID3_UTF16_BYTEORDER_ANY && end - *ptr > 0) { - switch (((*ptr)[0] << 8) | - ((*ptr)[1] << 0)) { - case 0xfeff: - byteorder = ID3_UTF16_BYTEORDER_BE; - *ptr += 2; - break; - - case 0xfffe: - byteorder = ID3_UTF16_BYTEORDER_LE; - *ptr += 2; - break; - } - } - - utf16ptr = utf16; - while (end - *ptr > 0 && (*utf16ptr = id3_utf16_get(ptr, byteorder))) - ++utf16ptr; - - *utf16ptr = 0; - - ucs4 = malloc((id3_utf16_length(utf16) + 1) * sizeof(*ucs4)); - if (ucs4) - id3_utf16_decode(utf16, ucs4); - - free(utf16); - - return ucs4; -} -- cgit v1.2.3