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-rw-r--r--complus/utf8.c236
1 files changed, 0 insertions, 236 deletions
diff --git a/complus/utf8.c b/complus/utf8.c
deleted file mode 100644
index 0237a629..00000000
--- a/complus/utf8.c
+++ /dev/null
@@ -1,236 +0,0 @@
-/*
- * UTF-8 support routines
- *
- * Copyright 2000 Alexandre Julliard
- *
- * Taken from WINE, so the usual WINE copyright applies:
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <windows.h>
-
-#include <ole2.h>
-
-/* number of following bytes in sequence based on first byte value (for bytes above 0x7f) */
-static const char utf8_length[128] =
-{
- 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x80-0x8f */
- 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x90-0x9f */
- 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xa0-0xaf */
- 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xb0-0xbf */
- 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 0xc0-0xcf */
- 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 0xd0-0xdf */
- 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, /* 0xe0-0xef */
- 3,3,3,3,3,3,3,3,4,4,4,4,5,5,0,0 /* 0xf0-0xff */
-};
-
-/* first byte mask depending on UTF-8 sequence length */
-static const unsigned char utf8_mask[6] = { 0x7f, 0x1f, 0x0f, 0x07, 0x03, 0x01 };
-
-/* minimum Unicode value depending on UTF-8 sequence length */
-static const unsigned int utf8_minval[6] = { 0x0, 0x80, 0x800, 0x10000, 0x200000, 0x4000000 };
-
-
-/* query necessary dst length for src string */
-inline static int get_length_wcs_utf8( const WCHAR *src, unsigned int srclen )
-{
- int len;
-
- for (len = 0; srclen; srclen--, src++, len++)
- {
- if (*src >= 0x80)
- {
- len++;
- if (*src >= 0x800) len++;
- }
- }
- return len;
-}
-
-/* wide char to UTF-8 string conversion */
-/* return -1 on dst buffer overflow */
-int utf8_wcstombs( const WCHAR *src, int srclen, char *dst, int dstlen )
-{
- char *orig_dst = dst;
-
- if (!dstlen) return get_length_wcs_utf8( src, srclen );
-
- for (; srclen; srclen--, src++)
- {
- WCHAR ch = *src;
-
- if (ch < 0x80) /* 0x00-0x7f: 1 byte */
- {
- if (!dstlen--) return -1; /* overflow */
- *dst++ = ch;
- continue;
- }
-
- if (ch < 0x800) /* 0x80-0x7ff: 2 bytes */
- {
- if ((dstlen -= 2) < 0) return -1; /* overflow */
- dst[1] = 0x80 | (ch & 0x3f);
- ch >>= 6;
- dst[0] = 0xc0 | ch;
- dst += 2;
- continue;
- }
-
- /* 0x800-0xffff: 3 bytes */
-
- if ((dstlen -= 3) < 0) return -1; /* overflow */
- dst[2] = 0x80 | (ch & 0x3f);
- ch >>= 6;
- dst[1] = 0x80 | (ch & 0x3f);
- ch >>= 6;
- dst[0] = 0xe0 | ch;
- dst += 3;
- }
- return dst - orig_dst;
-}
-
-/* query necessary dst length for src string */
-inline static int get_length_mbs_utf8( const unsigned char *src, int srclen )
-{
- int ret;
- const unsigned char *srcend = src + srclen;
-
- for (ret = 0; src < srcend; ret++)
- {
- unsigned char ch = *src++;
- if (ch < 0xc0) continue;
-
- switch(utf8_length[ch-0x80])
- {
- case 5:
- if (src >= srcend) return ret; /* ignore partial char */
- if ((ch = *src ^ 0x80) >= 0x40) continue;
- src++;
- case 4:
- if (src >= srcend) return ret; /* ignore partial char */
- if ((ch = *src ^ 0x80) >= 0x40) continue;
- src++;
- case 3:
- if (src >= srcend) return ret; /* ignore partial char */
- if ((ch = *src ^ 0x80) >= 0x40) continue;
- src++;
- case 2:
- if (src >= srcend) return ret; /* ignore partial char */
- if ((ch = *src ^ 0x80) >= 0x40) continue;
- src++;
- case 1:
- if (src >= srcend) return ret; /* ignore partial char */
- if ((ch = *src ^ 0x80) >= 0x40) continue;
- src++;
- }
- }
- return ret;
-}
-
-/* UTF-8 to wide char string conversion */
-/* return -1 on dst buffer overflow, -2 on invalid input char */
-int utf8_mbstowcs( int flags, const char *src, int srclen, WCHAR *dst, int dstlen )
-{
- int len, count;
- unsigned int res;
- const char *srcend = src + srclen;
-
- if (!dstlen) return get_length_mbs_utf8( src, srclen );
-
- for (count = dstlen; count && (src < srcend); count--, dst++)
- {
- unsigned char ch = *src++;
- if (ch < 0x80) /* special fast case for 7-bit ASCII */
- {
- *dst = ch;
- continue;
- }
- len = utf8_length[ch-0x80];
- res = ch & utf8_mask[len];
-
- switch(len)
- {
- case 5:
- if (src >= srcend) goto done; /* ignore partial char */
- if ((ch = *src ^ 0x80) >= 0x40) goto bad;
- res = (res << 6) | ch;
- src++;
- case 4:
- if (src >= srcend) goto done; /* ignore partial char */
- if ((ch = *src ^ 0x80) >= 0x40) goto bad;
- res = (res << 6) | ch;
- src++;
- case 3:
- if (src >= srcend) goto done; /* ignore partial char */
- if ((ch = *src ^ 0x80) >= 0x40) goto bad;
- res = (res << 6) | ch;
- src++;
- case 2:
- if (src >= srcend) goto done; /* ignore partial char */
- if ((ch = *src ^ 0x80) >= 0x40) goto bad;
- res = (res << 6) | ch;
- src++;
- case 1:
- if (src >= srcend) goto done; /* ignore partial char */
- if ((ch = *src ^ 0x80) >= 0x40) goto bad;
- res = (res << 6) | ch;
- src++;
- if (res < utf8_minval[len]) goto bad;
- if (res >= 0x10000) goto bad; /* FIXME: maybe we should do surrogates here */
- *dst = res;
- continue;
- }
- bad:
- if (flags & MB_ERR_INVALID_CHARS) return -2; /* bad char */
- *dst = (WCHAR)'?';
- }
- if (src < srcend) return -1; /* overflow */
-done:
- return dstlen - count;
-}
-
-
-int
-bstrtoutf8 ( BSTR src, char *dst, size_t dstlen )
-{
- size_t srclen, needed;
- int n;
-
- srclen = src? SysStringLen (src): 0;
-
- needed = srclen? (utf8_wcstombs (src, srclen, NULL, 0) + 1) : 1;
- if (!dst || !dstlen)
- return needed;
- if (dstlen < needed)
- return -1;
- if (srclen) {
- n = utf8_wcstombs (src, srclen, dst, dstlen);
- if (n < 0)
- return -1;
- }
- else
- n = 0;
- dst[n] = 0;
- return n;
-}
-
-
-
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-30 02:42:53 +0000