From e0c6872cf40896c7be36b11dcc744620f10adf1d Mon Sep 17 00:00:00 2001 From: Norbert Preining Date: Mon, 2 Sep 2019 13:46:59 +0900 Subject: Initial commit --- support/dktools/dk4enc.c | 338 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 338 insertions(+) create mode 100644 support/dktools/dk4enc.c (limited to 'support/dktools/dk4enc.c') diff --git a/support/dktools/dk4enc.c b/support/dktools/dk4enc.c new file mode 100644 index 0000000000..0659794b1c --- /dev/null +++ b/support/dktools/dk4enc.c @@ -0,0 +1,338 @@ +/* + WARNING: This file was generated by dkct. + Changes you make here will be lost if dkct is run again! + You should modify the original source and run dkct on it. + Original source: dk4enc.ctr +*/ + +/* +Copyright (C) 2015-2017, Dirk Krause + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + +* Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. +* Redistributions in binary form must reproduce the above opyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. +* Neither the name of the author nor the names of contributors may be used + to endorse or promote products derived from this software without specific + prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' +AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +ARE DISCLAIMED. +IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY +DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF +THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +/** @file dk4enc.c The dk4enc module. +*/ + + +#line 138 "dk4enc.ctr" + +#include "dk4enc.h" +#include "dk4mem.h" +#include "dk4strd.h" + + + +/** Encoding names in variations. +*/ +static const dkChar * const dk4enc_encoding_names[] = { +/* 0 */ +dkT("plain"), + +/* 1 */ +dkT("ascii"), + +/* 2 */ +dkT("ansi"), + +/* 3 */ +dkT("utf-8"), + +/* 4 */ +dkT("utf8"), + +/* 5 */ +dkT("utf-16"), + +/* 6 */ +dkT("utf16"), + +/* 7 */ +dkT("utf-16-le"), + +/* 8 */ +dkT("utf-16le"), + +/* 9 */ +dkT("utf16le"), + +/* 10 */ +dkT("utf-16-lsb"), + +/* 11 */ +dkT("utf-16lsb"), + +/* 12 */ +dkT("utf16lsb"), + +/* 13 */ +dkT("utf-16-be"), + +/* 14 */ +dkT("utf-16be"), + +/* 15 */ +dkT("utf16be"), + +/* 16 */ +dkT("utf-16-msb"), + +/* 17 */ +dkT("utf-16msb"), + +/* 18 */ +dkT("utf16msb"), + +/* 19 */ +dkT("c32"), + +/* 20 */ +dkT("c32-le"), + +/* 21 */ +dkT("c32le"), + +/* 22 */ +dkT("c32-lsb"), + +/* 23 */ +dkT("c32lsb"), + +/* 24 */ +dkT("c32-be"), + +/* 25 */ +dkT("c32be"), + +/* 26 */ +dkT("c32-msb"), + +/* 27 */ +dkT("c32msb"), + +/* 28 */ +dkT("utf-16.msb"), + +/* 29 */ +dkT("utf-16.lsb"), + +/* 30 */ +dkT("uc32"), + +/* 31 */ +dkT("uc32.msb"), + +/* 32 */ +dkT("uc32.lsb"), + +/* 33 */ +dkT("iso-latin-1"), + +/* 34 */ +dkT("iso-8859-1"), + +NULL + + +#line 215 "dk4enc.ctr" +}; + + + +/** Keywords for further options. +*/ +static const dkChar * const dk4enc_option_keywords[] = { +/* 0 */ +dkT("le"), + +/* 1 */ +dkT("lsb"), + +/* 2 */ +dkT("be"), + +/* 3 */ +dkT("msb"), + +/* 4 */ +dkT("bom"), + +/* 5 */ +dkT("nobom"), + +NULL + + +#line 230 "dk4enc.ctr" +}; + + + +int +dk4enc_find(int *encptr, int *bomptr, const dkChar *src, dk4_er_t *erp) +{ + dkChar buf[64]; /* Private copy for modification */ + dkChar *p1; /* Start of text */ + dkChar *p2; /* Start of options */ + int res = 0; /* Array index */ + int back = 0; /* Function result */ + int ae = 0; /* Flag: Allow ending specification */ + int enc = 0; /* Encoding found */ + int bom = 0; /* Flag: BOM keyword found */ + int bom_f = 0; /* Flag: BOM information found */ + + if ((NULL != encptr) && (NULL != src)) { + if (0 != dk4str_cpy_s(buf, DK4_SIZEOF(buf,dkChar), src, erp)) { + p1 = dk4str_start(buf, NULL); + if (NULL != p1) { + p2 = dk4str_chr(buf, dkT(',')); + if (NULL == p2) { + p2 = dk4str_chr(buf, dkT('.')); + } + if (NULL != p2) { *(p2++) = dkT('\0'); p2 = dk4str_start(p2, NULL); } + dk4str_normalize(p1, NULL); + switch (dk4str_array_index(dk4enc_encoding_names, p1, 0)) { + case 0: case 1: case 33: case 34: { + enc = DK4_FILE_ENCODING_ASCII; + back = 1; + } break; + case 2: { + enc = DK4_FILE_ENCODING_ANSI; + back = 1; + } break; + case 3: case 4: { + enc = DK4_FILE_ENCODING_UTF8; + back = 1; + } break; + case 5: case 6: { + enc = DK4_ENCODING_UTF16; + ae = 1; + back = 1; + bom = 1; + } break; + case 7: case 8: case 9: case 10: case 11: case 12: case 29: { + enc = DK4_FILE_ENCODING_UTF16_LE; + back = 1; + bom = 1; + } break; + case 13: case 14: case 15: case 16: case 17: case 18: case 28: { + enc = DK4_FILE_ENCODING_UTF16_BE; + back = 1; + bom = 1; + } break; + case 19: case 30: { + enc = DK4_ENCODING_32; + ae = 1; + back = 1; + bom = 1; + } break; + case 20: case 21: case 22: case 23: case 32: { + enc = DK4_FILE_ENCODING_32_LE; + back = 1; + bom = 1; + } break; + case 24: case 25: case 26: case 27: case 31: { + enc = DK4_FILE_ENCODING_32_BE; + back = 1; + bom = 1; + } break; + default: { + dk4error_set_simple_error_code(erp, DK4_E_SYNTAX); + } break; + } + if (1 == back) { + while (NULL != p2) { + p1 = dk4str_chr(p2, dkT(',')); + if (NULL != p1) { *(p1++) = dkT('\0'); p1 = dk4str_start(p1,NULL); } + dk4str_normalize(p2, NULL); + switch (res = dk4str_array_index(dk4enc_option_keywords, p2, 0)) { + case 0: case 1: case 2: case 3: { + if (0 != ae) { + switch (enc) { + case DK4_ENCODING_UTF16: { + enc = ( + ((2 == res) || (3 == res)) + ? DK4_FILE_ENCODING_UTF16_BE + : DK4_FILE_ENCODING_UTF16_LE + ); + } break; + case DK4_ENCODING_32: { + enc = ( + ((2 == res) || (3 == res)) + ? DK4_FILE_ENCODING_32_BE + : DK4_FILE_ENCODING_32_LE + ); + } break; + } + ae = 0; + } else { + back = 0; + dk4error_set_simple_error_code(erp, DK4_E_SYNTAX); + } + } break; + case 4: { + switch (enc) { + case DK4_FILE_ENCODING_UTF8: + case DK4_FILE_ENCODING_UTF16_LE: + case DK4_FILE_ENCODING_UTF16_BE: + case DK4_FILE_ENCODING_32_LE: + case DK4_FILE_ENCODING_32_BE: { + bom = 1; + bom_f = 1; + } break; + default: { + back = 0; + dk4error_set_simple_error_code(erp, DK4_E_SYNTAX); + } break; + } + } break; + case 5: { + bom = 0; + bom_f = 1; + } break; + default: { + back = 0; + dk4error_set_simple_error_code(erp, DK4_E_SYNTAX); + } break; + } + p2 = p1; + } + } + } else { + /* ERROR: Empty string */ + dk4error_set_simple_error_code(erp, DK4_E_SYNTAX); + } + } else { + dk4error_set_simple_error_code(erp, DK4_E_BUFFER_TOO_SMALL); + } + } else { + dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS); + } + if (NULL != encptr) { *encptr = enc; } + if (0 != bom_f) { if (NULL != bomptr) { *bomptr = bom; } } + return back; +} + + -- cgit v1.2.3