2 * Copyright (C) 1999-2002 Free Software Foundation, Inc.
3 * This file is part of the GNU LIBICONV Library.
5 * The GNU LIBICONV Library is free software; you can redistribute it
6 * and/or modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
10 * The GNU LIBICONV Library is distributed in the hope that it will be
11 * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
15 * You should have received a copy of the GNU Library General Public
16 * License along with the GNU LIBICONV Library; see the file COPYING.LIB.
17 * If not, write to the Free Software Foundation, Inc., 59 Temple Place -
18 * Suite 330, Boston, MA 02111-1307, USA.
23 * This is ISO 8859-1 with \uXXXX escape sequences, denoting Unicode BMP
24 * characters. Consecutive pairs of \uXXXX escape sequences in the surrogate
25 * range, as in UTF-16, denote Unicode characters outside the BMP.
29 java_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
43 goto simply_backslash;
45 for (i = 2; i < 6; i++) {
49 if (c >= '0' && c <= '9')
51 else if (c >= 'A' && c <= 'Z')
53 else if (c >= 'a' && c <= 'z')
56 goto simply_backslash;
57 wc |= (ucs4_t) c << (4 * (5-i));
59 if (!(wc >= 0xd800 && wc < 0xe000)) {
64 goto simply_backslash;
68 goto simply_backslash;
72 goto simply_backslash;
74 for (i = 8; i < 12; i++) {
78 if (c >= '0' && c <= '9')
80 else if (c >= 'A' && c <= 'Z')
82 else if (c >= 'a' && c <= 'z')
85 goto simply_backslash;
86 wc2 |= (ucs4_t) c << (4 * (11-i));
88 if (!(wc2 >= 0xdc00 && wc2 < 0xe000))
89 goto simply_backslash;
90 *pwc = 0x10000 + ((wc - 0xd800) << 10) + (wc2 - 0xdc00);
98 java_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
103 } else if (wc < 0x10000) {
108 i = (wc >> 12) & 0x0f; r[2] = (i < 10 ? '0'+i : 'a'-10+i);
109 i = (wc >> 8) & 0x0f; r[3] = (i < 10 ? '0'+i : 'a'-10+i);
110 i = (wc >> 4) & 0x0f; r[4] = (i < 10 ? '0'+i : 'a'-10+i);
111 i = wc & 0x0f; r[5] = (i < 10 ? '0'+i : 'a'-10+i);
115 } else if (wc < 0x110000) {
117 ucs4_t wc1 = 0xd800 + ((wc - 0x10000) >> 10);
118 ucs4_t wc2 = 0xdc00 + ((wc - 0x10000) & 0x3ff);
122 i = (wc1 >> 12) & 0x0f; r[2] = (i < 10 ? '0'+i : 'a'-10+i);
123 i = (wc1 >> 8) & 0x0f; r[3] = (i < 10 ? '0'+i : 'a'-10+i);
124 i = (wc1 >> 4) & 0x0f; r[4] = (i < 10 ? '0'+i : 'a'-10+i);
125 i = wc1 & 0x0f; r[5] = (i < 10 ? '0'+i : 'a'-10+i);
128 i = (wc2 >> 12) & 0x0f; r[8] = (i < 10 ? '0'+i : 'a'-10+i);
129 i = (wc2 >> 8) & 0x0f; r[9] = (i < 10 ? '0'+i : 'a'-10+i);
130 i = (wc2 >> 4) & 0x0f; r[10] = (i < 10 ? '0'+i : 'a'-10+i);
131 i = wc2 & 0x0f; r[11] = (i < 10 ? '0'+i : 'a'-10+i);