mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-11 14:28:08 +01:00
310 lines
8.5 KiB
C
310 lines
8.5 KiB
C
/**********************************************************************
|
|
utf16_le.c - Oniguruma (regular expression library)
|
|
**********************************************************************/
|
|
/*-
|
|
* Copyright (c) 2002-2019 K.Kosako <sndgk393 AT ybb DOT ne DOT jp>
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
|
|
*/
|
|
#include "regint.h" /* for USE_CALLOUT */
|
|
|
|
static int
|
|
init(void)
|
|
{
|
|
#ifdef USE_CALLOUT
|
|
|
|
int id;
|
|
OnigEncoding enc;
|
|
char* name;
|
|
unsigned int args[4];
|
|
OnigValue opts[4];
|
|
|
|
enc = ONIG_ENCODING_UTF16_LE;
|
|
|
|
name = "F\000A\000I\000L\000\000\000"; BC0_P(name, fail);
|
|
name = "M\000I\000S\000M\000A\000T\000C\000H\000\000\000"; BC0_P(name, mismatch);
|
|
|
|
name = "M\000A\000X\000\000\000";
|
|
args[0] = ONIG_TYPE_TAG | ONIG_TYPE_LONG;
|
|
args[1] = ONIG_TYPE_CHAR;
|
|
opts[0].c = 'X';
|
|
BC_B_O(name, max, 2, args, 1, opts);
|
|
|
|
name = "E\000R\000R\000O\000R\000\000\000";
|
|
args[0] = ONIG_TYPE_LONG; opts[0].l = ONIG_ABORT;
|
|
BC_P_O(name, error, 1, args, 1, opts);
|
|
|
|
name = "C\000O\000U\000N\000T\000\000\000";
|
|
args[0] = ONIG_TYPE_CHAR; opts[0].c = '>';
|
|
BC_B_O(name, count, 1, args, 1, opts);
|
|
|
|
name = "T\000O\000T\000A\000L\000_\000C\000O\000U\000N\000T\000\000\000";
|
|
args[0] = ONIG_TYPE_CHAR; opts[0].c = '>';
|
|
BC_B_O(name, total_count, 1, args, 1, opts);
|
|
|
|
name = "C\000M\000P\000\000\000";
|
|
args[0] = ONIG_TYPE_TAG | ONIG_TYPE_LONG;
|
|
args[1] = ONIG_TYPE_STRING;
|
|
args[2] = ONIG_TYPE_TAG | ONIG_TYPE_LONG;
|
|
BC_P(name, cmp, 3, args);
|
|
|
|
#endif /* USE_CALLOUT */
|
|
|
|
return ONIG_NORMAL;
|
|
}
|
|
|
|
static const int EncLen_UTF16[] = {
|
|
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, 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, 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, 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, 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, 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, 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, 2, 2, 2, 2, 2, 2, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2
|
|
};
|
|
|
|
static int
|
|
utf16le_code_to_mbclen(OnigCodePoint code)
|
|
{
|
|
if (code > 0xffff) {
|
|
if (code > 0x10ffff)
|
|
return ONIGERR_INVALID_CODE_POINT_VALUE;
|
|
else
|
|
return 4;
|
|
}
|
|
else {
|
|
return 2;
|
|
}
|
|
}
|
|
|
|
static int
|
|
utf16le_mbc_enc_len(const UChar* p)
|
|
{
|
|
return EncLen_UTF16[*(p+1)];
|
|
}
|
|
|
|
static int
|
|
is_valid_mbc_string(const UChar* p, const UChar* end)
|
|
{
|
|
const UChar* end1 = end - 1;
|
|
|
|
while (p < end1) {
|
|
int len = utf16le_mbc_enc_len(p);
|
|
if (len == 4) {
|
|
if (p + 3 < end && ! UTF16_IS_SURROGATE_SECOND(*(p + 3)))
|
|
return FALSE;
|
|
}
|
|
else
|
|
if (UTF16_IS_SURROGATE_SECOND(*(p + 1)))
|
|
return FALSE;
|
|
|
|
p += len;
|
|
}
|
|
|
|
if (p != end)
|
|
return FALSE;
|
|
else
|
|
return TRUE;
|
|
}
|
|
|
|
static int
|
|
utf16le_is_mbc_newline(const UChar* p, const UChar* end)
|
|
{
|
|
if (p + 1 < end) {
|
|
if (*p == 0x0a && *(p+1) == 0x00)
|
|
return 1;
|
|
#ifdef USE_UNICODE_ALL_LINE_TERMINATORS
|
|
if ((
|
|
#ifndef USE_CRNL_AS_LINE_TERMINATOR
|
|
*p == 0x0d ||
|
|
#endif
|
|
*p == 0x85) && *(p+1) == 0x00)
|
|
return 1;
|
|
|
|
if (*(p+1) == 0x20 && (*p == 0x29 || *p == 0x28))
|
|
return 1;
|
|
#endif
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static OnigCodePoint
|
|
utf16le_mbc_to_code(const UChar* p, const UChar* end ARG_UNUSED)
|
|
{
|
|
OnigCodePoint code;
|
|
UChar c0 = *p;
|
|
UChar c1 = *(p+1);
|
|
|
|
if (UTF16_IS_SURROGATE_FIRST(c1)) {
|
|
code = ((((c1 - 0xd8) << 2) + ((c0 & 0xc0) >> 6) + 1) << 16)
|
|
+ ((((c0 & 0x3f) << 2) + (p[3] - 0xdc)) << 8)
|
|
+ p[2];
|
|
}
|
|
else {
|
|
code = c1 * 256 + p[0];
|
|
}
|
|
return code;
|
|
}
|
|
|
|
static int
|
|
utf16le_code_to_mbc(OnigCodePoint code, UChar *buf)
|
|
{
|
|
UChar* p = buf;
|
|
|
|
if (code > 0xffff) {
|
|
unsigned int plane, high;
|
|
|
|
plane = (code >> 16) - 1;
|
|
high = (code & 0xff00) >> 8;
|
|
|
|
*p++ = ((plane & 0x03) << 6) + (high >> 2);
|
|
*p++ = (plane >> 2) + 0xd8;
|
|
*p++ = (UChar )(code & 0xff);
|
|
*p = (high & 0x03) + 0xdc;
|
|
return 4;
|
|
}
|
|
else {
|
|
*p++ = (UChar )(code & 0xff);
|
|
*p++ = (UChar )((code & 0xff00) >> 8);
|
|
return 2;
|
|
}
|
|
}
|
|
|
|
static int
|
|
utf16le_mbc_case_fold(OnigCaseFoldType flag,
|
|
const UChar** pp, const UChar* end, UChar* fold)
|
|
{
|
|
const UChar* p = *pp;
|
|
|
|
if (ONIGENC_IS_ASCII_CODE(*p) && *(p+1) == 0) {
|
|
#ifdef USE_UNICODE_CASE_FOLD_TURKISH_AZERI
|
|
if ((flag & ONIGENC_CASE_FOLD_TURKISH_AZERI) != 0) {
|
|
if (*p == 0x49) {
|
|
*fold++ = 0x31;
|
|
*fold = 0x01;
|
|
(*pp) += 2;
|
|
return 2;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
*fold++ = ONIGENC_ASCII_CODE_TO_LOWER_CASE(*p);
|
|
*fold = 0;
|
|
*pp += 2;
|
|
return 2;
|
|
}
|
|
else
|
|
return onigenc_unicode_mbc_case_fold(ONIG_ENCODING_UTF16_LE, flag, pp, end,
|
|
fold);
|
|
}
|
|
|
|
#if 0
|
|
static int
|
|
utf16le_is_mbc_ambiguous(OnigCaseFoldType flag, const UChar** pp,
|
|
const UChar* end)
|
|
{
|
|
const UChar* p = *pp;
|
|
|
|
(*pp) += EncLen_UTF16[*(p+1)];
|
|
|
|
if (*(p+1) == 0) {
|
|
int c, v;
|
|
|
|
if (*p == 0xdf && (flag & INTERNAL_ONIGENC_CASE_FOLD_MULTI_CHAR) != 0) {
|
|
return TRUE;
|
|
}
|
|
|
|
c = *p;
|
|
v = ONIGENC_IS_UNICODE_ISO_8859_1_BIT_CTYPE(c,
|
|
(BIT_CTYPE_UPPER | BIT_CTYPE_LOWER));
|
|
if ((v | BIT_CTYPE_LOWER) != 0) {
|
|
/* 0xaa, 0xb5, 0xba are lower case letter, but can't convert. */
|
|
if (c >= 0xaa && c <= 0xba)
|
|
return FALSE;
|
|
else
|
|
return TRUE;
|
|
}
|
|
return (v != 0 ? TRUE : FALSE);
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
#endif
|
|
|
|
static UChar*
|
|
utf16le_left_adjust_char_head(const UChar* start, const UChar* s)
|
|
{
|
|
if (s <= start) return (UChar* )s;
|
|
|
|
if ((s - start) % 2 == 1) {
|
|
s--;
|
|
}
|
|
|
|
if (UTF16_IS_SURROGATE_SECOND(*(s+1)) && s > start + 1 &&
|
|
UTF16_IS_SURROGATE_FIRST(*(s-1)))
|
|
s -= 2;
|
|
|
|
return (UChar* )s;
|
|
}
|
|
|
|
static int
|
|
utf16le_get_case_fold_codes_by_str(OnigCaseFoldType flag,
|
|
const OnigUChar* p, const OnigUChar* end, OnigCaseFoldCodeItem items[])
|
|
{
|
|
return onigenc_unicode_get_case_fold_codes_by_str(ONIG_ENCODING_UTF16_LE,
|
|
flag, p, end, items);
|
|
}
|
|
|
|
OnigEncodingType OnigEncodingUTF16_LE = {
|
|
utf16le_mbc_enc_len,
|
|
"UTF-16LE", /* name */
|
|
4, /* max enc length */
|
|
2, /* min enc length */
|
|
utf16le_is_mbc_newline,
|
|
utf16le_mbc_to_code,
|
|
utf16le_code_to_mbclen,
|
|
utf16le_code_to_mbc,
|
|
utf16le_mbc_case_fold,
|
|
onigenc_unicode_apply_all_case_fold,
|
|
utf16le_get_case_fold_codes_by_str,
|
|
onigenc_unicode_property_name_to_ctype,
|
|
onigenc_unicode_is_code_ctype,
|
|
onigenc_utf16_32_get_ctype_code_range,
|
|
utf16le_left_adjust_char_head,
|
|
onigenc_always_false_is_allowed_reverse_match,
|
|
init,
|
|
0, /* is_initialized */
|
|
is_valid_mbc_string,
|
|
ENC_FLAG_UNICODE|ENC_FLAG_SKIP_OFFSET_1,
|
|
0, 0
|
|
};
|