diff options
Diffstat (limited to '')
-rw-r--r-- | src/utf8.c | 158 |
1 files changed, 0 insertions, 158 deletions
diff --git a/src/utf8.c b/src/utf8.c deleted file mode 100644 index 1b03f5d20..000000000 --- a/src/utf8.c +++ /dev/null @@ -1,158 +0,0 @@ -/* the Music Player Daemon (MPD) - * Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com) - * This project's homepage is: http://www.musicpd.org - * - * 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 - */ - -#include "utf8.h" -#include "utils.h" -#include "os_compat.h" - -char *latin1_to_utf8(char *dest, const char *in_latin1) -{ - unsigned char *cp = (unsigned char *)dest; - const unsigned char *latin1 = (const unsigned char *)in_latin1; - - while (*latin1) { - if (*latin1 < 128) - *(cp++) = *latin1; - else { - if (*latin1 < 192) { - *(cp++) = 194; - *(cp++) = *latin1; - } else { - *(cp++) = 195; - *(cp++) = (*latin1) - 64; - } - } - ++latin1; - } - - *cp = '\0'; - - return dest; -} - -char *latin1StrToUtf8Dup(const char *latin1) -{ - /* utf8 should have at most two char's per latin1 char */ - char *ret = xmalloc(strlen(latin1) * 2 + 1); - - ret = latin1_to_utf8(ret, latin1); - - return ((ret) ? xrealloc(ret, strlen((char *)ret) + 1) : NULL); -} - -static char utf8_to_latin1_char(const char *inUtf8) -{ - unsigned char c = 0; - const unsigned char *utf8 = (const unsigned char *)inUtf8; - - if (utf8[0] < 128) - return utf8[0]; - else if (utf8[0] == 195) - c += 64; - else if (utf8[0] != 194) - return '?'; - return (char)(c + utf8[1]); -} - -static unsigned int validateUtf8Char(const char *inUtf8Char, size_t length) -{ - const unsigned char *utf8Char = (const unsigned char *)inUtf8Char; - - assert(length > 0); - - if (utf8Char[0] < 0x80) - return 1; - - if (utf8Char[0] >= 0xC0 && utf8Char[0] <= 0xFD) { - unsigned int count = 1; - char t = 1 << 5; - unsigned int i; - while (count < 6 && (t & utf8Char[0])) { - t = (t >> 1); - count++; - } - if (count > 5 || (size_t)count > length) - return 0; - for (i = 1; i <= count; i++) { - if (utf8Char[i] < 0x80 || utf8Char[i] > 0xBF) - return 0; - } - return count + 1; - } else - return 0; -} - -int validUtf8String(const char *string, size_t length) -{ - unsigned int ret; - - while (length > 0) { - ret = validateUtf8Char(string, length); - assert((size_t)ret <= length); - if (0 == ret) - return 0; - string += ret; - length -= ret; - } - - return 1; -} - -char *utf8StrToLatin1Dup(const char *utf8) -{ - /* utf8 should have at most two char's per latin1 char */ - char *ret = xmalloc(strlen(utf8) + 1); - char *cp = ret; - unsigned int count; - size_t len = 0; - - while (*utf8) { - count = validateUtf8Char(utf8, INT_MAX); - if (!count) { - free(ret); - return NULL; - } - *(cp++) = utf8_to_latin1_char(utf8); - utf8 += count; - len++; - } - - *cp = '\0'; - - return xrealloc(ret, len + 1); -} - -char *utf8_to_latin1(char *dest, const char *utf8) -{ - char *cp = dest; - unsigned int count; - size_t len = 0; - - while (*utf8) { - count = validateUtf8Char(utf8, INT_MAX); - if (count) { - *(cp++) = utf8_to_latin1_char(utf8); - utf8 += count; - len++; - } else - return NULL; - } - - *cp = '\0'; - return dest; -} |