iutf8.c - iomenu - interactive terminal-based selection menu Err bitreich.org 70 hgit clone git://bitreich.org/iomenu git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws65d7roiv6bfj7d652fid.onion/iomenu URL:git://bitreich.org/iomenu git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws65d7roiv6bfj7d652fid.onion/iomenu bitreich.org 70 1Log /scm/iomenu/log.gph bitreich.org 70 1Files /scm/iomenu/files.gph bitreich.org 70 1Refs /scm/iomenu/refs.gph bitreich.org 70 1Tags /scm/iomenu/tag bitreich.org 70 1README /scm/iomenu/file/README.gph bitreich.org 70 1LICENSE /scm/iomenu/file/LICENSE.gph bitreich.org 70 i--- Err bitreich.org 70 iutf8.c (3174B) Err bitreich.org 70 i--- Err bitreich.org 70 i 1 #include "utf8.h" Err bitreich.org 70 i 2 #include Err bitreich.org 70 i 3 #include Err bitreich.org 70 i 4 Err bitreich.org 70 i 5 /* Err bitreich.org 70 i 6 * Copyright (c) 2008-2009 Bjoern Hoehrmann Err bitreich.org 70 i 7 * Err bitreich.org 70 i 8 * Permission is hereby granted, free of charge, to any person obtaining a copy Err bitreich.org 70 i 9 * of this software and associated documentation files (the "Software"), to Err bitreich.org 70 i 10 * deal in the Software without restriction, including without limitation the Err bitreich.org 70 i 11 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or Err bitreich.org 70 i 12 * sell copies of the Software, and to permit persons to whom the Software is Err bitreich.org 70 i 13 * furnished to do so, subject to the following conditions: Err bitreich.org 70 i 14 * Err bitreich.org 70 i 15 * The above copyright notice and this permission notice shall be included in Err bitreich.org 70 i 16 * all copies or substantial portions of the Software. Err bitreich.org 70 i 17 * Err bitreich.org 70 i 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR Err bitreich.org 70 i 19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, Err bitreich.org 70 i 20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE Err bitreich.org 70 i 21 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER Err bitreich.org 70 i 22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING Err bitreich.org 70 i 23 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS Err bitreich.org 70 i 24 * IN THE SOFTWARE. Err bitreich.org 70 i 25 */ Err bitreich.org 70 i 26 Err bitreich.org 70 i 27 size_t Err bitreich.org 70 i 28 utf8_encode(char *dest, uint32_t u) Err bitreich.org 70 i 29 { Err bitreich.org 70 i 30 size_t v, n, n2; Err bitreich.org 70 i 31 Err bitreich.org 70 i 32 if (u <= 0x7f) { Err bitreich.org 70 i 33 if (dest != NULL) Err bitreich.org 70 i 34 *dest = u; Err bitreich.org 70 i 35 return 1; Err bitreich.org 70 i 36 } Err bitreich.org 70 i 37 Err bitreich.org 70 i 38 for (v = 0x3f, n = 0; v >= u; ++n) Err bitreich.org 70 i 39 v = (v << 5) | 0x1f; Err bitreich.org 70 i 40 if (v >= 0x7fffffff) Err bitreich.org 70 i 41 return 0; /* cannot be encoded */ Err bitreich.org 70 i 42 Err bitreich.org 70 i 43 if (dest == NULL) Err bitreich.org 70 i 44 return 1 + n; Err bitreich.org 70 i 45 Err bitreich.org 70 i 46 *dest++ = (0xff << (7 - n)) | (u >> n * 6); Err bitreich.org 70 i 47 for (n2 = n - 1; n2 ; --n2) { Err bitreich.org 70 i 48 *dest++ = 0x80 | (u & 0x3f); Err bitreich.org 70 i 49 u >>= 6; Err bitreich.org 70 i 50 } Err bitreich.org 70 i 51 return 1 + n; Err bitreich.org 70 i 52 } Err bitreich.org 70 i 53 Err bitreich.org 70 i 54 /* Copyright (c) 2008-2009 Bjoern Hoehrmann * Err bitreich.org 70 i 55 * See http://bjoern.hoehrmann.de/utf-8/decoder/dfa/ for details. */ Err bitreich.org 70 i 56 Err bitreich.org 70 i 57 static const uint8_t utf8d[] = { Err bitreich.org 70 i 58 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 00..1f */ Err bitreich.org 70 i 59 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 20..3f */ Err bitreich.org 70 i 60 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 40..5f */ Err bitreich.org 70 i 61 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 60..7f */ Err bitreich.org 70 i 62 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9, /* 80..9f */ Err bitreich.org 70 i 63 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, /* a0..bf */ Err bitreich.org 70 i 64 8,8,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, /* c0..df */ Err bitreich.org 70 i 65 0xa,0x3,0x3,0x3,0x3,0x3,0x3,0x3,0x3,0x3,0x3,0x3,0x3,0x4,0x3,0x3, /* e0..ef */ Err bitreich.org 70 i 66 0xb,0x6,0x6,0x6,0x5,0x8,0x8,0x8,0x8,0x8,0x8,0x8,0x8,0x8,0x8,0x8, /* f0..ff */ Err bitreich.org 70 i 67 0x0,0x1,0x2,0x3,0x5,0x8,0x7,0x1,0x1,0x1,0x4,0x6,0x1,0x1,0x1,0x1, /* s0..s0 */ Err bitreich.org 70 i 68 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,1,1,1,1,1,0,1,0,1,1,1,1,1,1, /* s1..s2 */ Err bitreich.org 70 i 69 1,2,1,1,1,1,1,2,1,2,1,1,1,1,1,1,1,1,1,1,1,1,1,2,1,1,1,1,1,1,1,1, /* s3..s4 */ Err bitreich.org 70 i 70 1,2,1,1,1,1,1,1,1,2,1,1,1,1,1,1,1,1,1,1,1,1,1,3,1,3,1,1,1,1,1,1, /* s5..s6 */ Err bitreich.org 70 i 71 1,3,1,1,1,1,1,3,1,3,1,1,1,1,1,1,1,3,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* s7..s8 */ Err bitreich.org 70 i 72 }; Err bitreich.org 70 i 73 Err bitreich.org 70 i 74 uint32_t Err bitreich.org 70 i 75 utf8_decode(uint32_t *state, uint32_t *codep, uint32_t byte) Err bitreich.org 70 i 76 { Err bitreich.org 70 i 77 uint32_t type = utf8d[byte]; Err bitreich.org 70 i 78 Err bitreich.org 70 i 79 *codep = (*state != UTF8_ACCEPT) Err bitreich.org 70 i 80 ? (byte & 0x3fu) | (*codep << 6) Err bitreich.org 70 i 81 : (0xff >> type) & (byte); Err bitreich.org 70 i 82 *state = utf8d[256 + *state*16 + type]; Err bitreich.org 70 i 83 return *state; Err bitreich.org 70 i 84 } Err bitreich.org 70 .