diff options
Diffstat (limited to 'src/libid3tag/render.c')
| -rw-r--r-- | src/libid3tag/render.c | 200 |
1 files changed, 0 insertions, 200 deletions
diff --git a/src/libid3tag/render.c b/src/libid3tag/render.c index 668a487b..e69de29b 100644 --- a/src/libid3tag/render.c +++ b/src/libid3tag/render.c @@ -1,200 +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: render.c,v 1.11 2004/01/23 09:41:32 rob Exp $ - */ - -# ifdef HAVE_CONFIG_H -# include "config.h" -# endif - -# include "global.h" - -# include <string.h> -# include <stdlib.h> - -# ifdef HAVE_ASSERT_H -# include <assert.h> -# endif - -# include "id3tag.h" -# include "render.h" -# include "ucs4.h" -# include "latin1.h" -# include "utf16.h" -# include "utf8.h" - -id3_length_t id3_render_immediate(id3_byte_t **ptr, - char const *value, unsigned int bytes) -{ - assert(value); - assert(bytes == 8 || bytes == 4 || bytes == 3); - - if (ptr) { - switch (bytes) { - case 8: *(*ptr)++ = *value++; - *(*ptr)++ = *value++; - *(*ptr)++ = *value++; - *(*ptr)++ = *value++; - case 4: *(*ptr)++ = *value++; - case 3: *(*ptr)++ = *value++; - *(*ptr)++ = *value++; - *(*ptr)++ = *value++; - } - } - - return bytes; -} - -id3_length_t id3_render_syncsafe(id3_byte_t **ptr, - unsigned long num, unsigned int bytes) -{ - assert(bytes == 4 || bytes == 5); - - if (ptr) { - switch (bytes) { - case 5: *(*ptr)++ = (num >> 28) & 0x0f; - case 4: *(*ptr)++ = (num >> 21) & 0x7f; - *(*ptr)++ = (num >> 14) & 0x7f; - *(*ptr)++ = (num >> 7) & 0x7f; - *(*ptr)++ = (num >> 0) & 0x7f; - } - } - - return bytes; -} - -id3_length_t id3_render_int(id3_byte_t **ptr, - signed long num, unsigned int bytes) -{ - assert(bytes >= 1 && bytes <= 4); - - if (ptr) { - switch (bytes) { - case 4: *(*ptr)++ = num >> 24; - case 3: *(*ptr)++ = num >> 16; - case 2: *(*ptr)++ = num >> 8; - case 1: *(*ptr)++ = num >> 0; - } - } - - return bytes; -} - -id3_length_t id3_render_binary(id3_byte_t **ptr, - id3_byte_t const *data, id3_length_t length) -{ - if (data == 0) - return 0; - - if (ptr) { - memcpy(*ptr, data, length); - *ptr += length; - } - - return length; -} - -id3_length_t id3_render_latin1(id3_byte_t **ptr, - id3_latin1_t const *latin1, int terminate) -{ - id3_length_t size; - - if (latin1 == 0) - latin1 = ""; - - size = id3_latin1_size(latin1); - if (!terminate) - --size; - - if (ptr) { - memcpy(*ptr, latin1, size); - *ptr += size; - } - - return size; -} - -id3_length_t id3_render_string(id3_byte_t **ptr, id3_ucs4_t const *ucs4, - enum id3_field_textencoding encoding, - int terminate) -{ - enum id3_utf16_byteorder byteorder = ID3_UTF16_BYTEORDER_ANY; - - if (ucs4 == 0) - ucs4 = id3_ucs4_empty; - - switch (encoding) { - case ID3_FIELD_TEXTENCODING_ISO_8859_1: - return id3_latin1_serialize(ptr, ucs4, terminate); - - case ID3_FIELD_TEXTENCODING_UTF_16BE: - byteorder = ID3_UTF16_BYTEORDER_BE; - case ID3_FIELD_TEXTENCODING_UTF_16: - return id3_utf16_serialize(ptr, ucs4, byteorder, terminate); - - case ID3_FIELD_TEXTENCODING_UTF_8: - return id3_utf8_serialize(ptr, ucs4, terminate); - } - - return 0; -} - -id3_length_t id3_render_padding(id3_byte_t **ptr, id3_byte_t value, - id3_length_t length) -{ - if (ptr) { - memset(*ptr, value, length); - *ptr += length; - } - - return length; -} - -/* - * NAME: render->paddedstring() - * DESCRIPTION: render a space-padded string using latin1 encoding - */ -id3_length_t id3_render_paddedstring(id3_byte_t **ptr, id3_ucs4_t const *ucs4, - id3_length_t length) -{ - id3_ucs4_t padded[31], *data, *end; - - /* latin1 encoding only (this is used for ID3v1 fields) */ - - assert(length <= 30); - - data = padded; - end = data + length; - - if (ucs4) { - while (*ucs4 && end - data > 0) { - *data++ = *ucs4++; - - if (data[-1] == '\n') - data[-1] = ' '; - } - } - - while (end - data > 0) - *data++ = ' '; - - *data = 0; - - return id3_latin1_serialize(ptr, padded, 0); -} |