diff options
Diffstat (limited to 'MSVC/iconv/java.h')
| -rw-r--r-- | MSVC/iconv/java.h | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/MSVC/iconv/java.h b/MSVC/iconv/java.h new file mode 100644 index 0000000..8d07bec --- /dev/null +++ b/MSVC/iconv/java.h @@ -0,0 +1,137 @@ +/* + * Copyright (C) 1999-2002 Free Software Foundation, Inc. + * This file is part of the GNU LIBICONV Library. + * + * The GNU LIBICONV Library is free software; you can redistribute it + * and/or modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * The GNU LIBICONV Library 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 + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with the GNU LIBICONV Library; see the file COPYING.LIB. + * If not, write to the Free Software Foundation, Inc., 59 Temple Place - + * Suite 330, Boston, MA 02111-1307, USA. + */ + +/* + * JAVA + * This is ISO 8859-1 with \uXXXX escape sequences, denoting Unicode BMP + * characters. Consecutive pairs of \uXXXX escape sequences in the surrogate + * range, as in UTF-16, denote Unicode characters outside the BMP. + */ + +static int +java_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n) +{ + unsigned char c; + ucs4_t wc, wc2; + int i; + + c = s[0]; + if (c != '\\') { + *pwc = c; + return 1; + } + if (n < 2) + return RET_TOOFEW(0); + if (s[1] != 'u') + goto simply_backslash; + wc = 0; + for (i = 2; i < 6; i++) { + if (n <= i) + return RET_TOOFEW(0); + c = s[i]; + if (c >= '0' && c <= '9') + c -= '0'; + else if (c >= 'A' && c <= 'Z') + c -= 'A'-10; + else if (c >= 'a' && c <= 'z') + c -= 'a'-10; + else + goto simply_backslash; + wc |= (ucs4_t) c << (4 * (5-i)); + } + if (!(wc >= 0xd800 && wc < 0xe000)) { + *pwc = wc; + return 6; + } + if (wc >= 0xdc00) + goto simply_backslash; + if (n < 7) + return RET_TOOFEW(0); + if (s[6] != '\\') + goto simply_backslash; + if (n < 8) + return RET_TOOFEW(0); + if (s[7] != 'u') + goto simply_backslash; + wc2 = 0; + for (i = 8; i < 12; i++) { + if (n <= i) + return RET_TOOFEW(0); + c = s[i]; + if (c >= '0' && c <= '9') + c -= '0'; + else if (c >= 'A' && c <= 'Z') + c -= 'A'-10; + else if (c >= 'a' && c <= 'z') + c -= 'a'-10; + else + goto simply_backslash; + wc2 |= (ucs4_t) c << (4 * (11-i)); + } + if (!(wc2 >= 0xdc00 && wc2 < 0xe000)) + goto simply_backslash; + *pwc = 0x10000 + ((wc - 0xd800) << 10) + (wc2 - 0xdc00); + return 12; +simply_backslash: + *pwc = '\\'; + return 1; +} + +static int +java_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n) +{ + if (wc < 0x80) { + *r = wc; + return 1; + } else if (wc < 0x10000) { + if (n >= 6) { + unsigned int i; + r[0] = '\\'; + r[1] = 'u'; + i = (wc >> 12) & 0x0f; r[2] = (i < 10 ? '0'+i : 'a'-10+i); + i = (wc >> 8) & 0x0f; r[3] = (i < 10 ? '0'+i : 'a'-10+i); + i = (wc >> 4) & 0x0f; r[4] = (i < 10 ? '0'+i : 'a'-10+i); + i = wc & 0x0f; r[5] = (i < 10 ? '0'+i : 'a'-10+i); + return 6; + } else + return RET_TOOSMALL; + } else if (wc < 0x110000) { + if (n >= 12) { + ucs4_t wc1 = 0xd800 + ((wc - 0x10000) >> 10); + ucs4_t wc2 = 0xdc00 + ((wc - 0x10000) & 0x3ff); + unsigned int i; + r[0] = '\\'; + r[1] = 'u'; + i = (wc1 >> 12) & 0x0f; r[2] = (i < 10 ? '0'+i : 'a'-10+i); + i = (wc1 >> 8) & 0x0f; r[3] = (i < 10 ? '0'+i : 'a'-10+i); + i = (wc1 >> 4) & 0x0f; r[4] = (i < 10 ? '0'+i : 'a'-10+i); + i = wc1 & 0x0f; r[5] = (i < 10 ? '0'+i : 'a'-10+i); + r[6] = '\\'; + r[7] = 'u'; + i = (wc2 >> 12) & 0x0f; r[8] = (i < 10 ? '0'+i : 'a'-10+i); + i = (wc2 >> 8) & 0x0f; r[9] = (i < 10 ? '0'+i : 'a'-10+i); + i = (wc2 >> 4) & 0x0f; r[10] = (i < 10 ? '0'+i : 'a'-10+i); + i = wc2 & 0x0f; r[11] = (i < 10 ? '0'+i : 'a'-10+i); + return 12; + } else + return RET_TOOSMALL; + } + return RET_ILUNI; +} |