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authorNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
committerNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
commite0c6872cf40896c7be36b11dcc744620f10adf1d (patch)
tree60335e10d2f4354b0674ec22d7b53f0f8abee672 /support/dktools/dk4enc.c
Initial commit
Diffstat (limited to 'support/dktools/dk4enc.c')
-rw-r--r--support/dktools/dk4enc.c338
1 files changed, 338 insertions, 0 deletions
diff --git a/support/dktools/dk4enc.c b/support/dktools/dk4enc.c
new file mode 100644
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+++ b/support/dktools/dk4enc.c
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+/*
+ 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;
+}
+
+