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Add option aspell.check.real_time (off by default), fix bugs with aspell and utf-8 chars, add function utf8_char_int to API

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This commit is contained in:
Sebastien Helleu
2009-03-22 16:38:06 +01:00
parent 558c9f2614
commit 7c793257ff
29 changed files with 287 additions and 127 deletions
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src/core/wee-utf8.c
+55
View File
@@ -225,6 +225,61 @@ utf8_next_char (const char *string)
return (char *)string + 1;
}
/*
* utf8_char_int: return UTF-8 char as integer
*/
int
utf8_char_int (const char *string)
{
const unsigned char *ptr_string;
if (!string)
return 0;
ptr_string = (unsigned char *)string;
/* UTF-8, 2 bytes: 110vvvvv 10vvvvvv */
if ((ptr_string[0] & 0xE0) == 0xC0)
{
if (!ptr_string[1])
return (int)(ptr_string[0] & 0x1F);
return ((int)(ptr_string[0] & 0x1F) << 6) +
((int)(ptr_string[1] & 0x3F));
}
/* UTF-8, 3 bytes: 1110vvvv 10vvvvvv 10vvvvvv */
else if ((ptr_string[0] & 0xF0) == 0xE0)
{
if (!ptr_string[1])
return (int)(ptr_string[0] & 0x0F);
if (!ptr_string[2])
return (((int)(ptr_string[0] & 0x0F)) << 6) +
((int)(ptr_string[1] & 0x3F));
return (((int)(ptr_string[0] & 0x0F)) << 12) +
(((int)(ptr_string[1] & 0x3F)) << 6) +
((int)(ptr_string[2] & 0x3F));
}
/* UTF-8, 4 bytes: 11110vvv 10vvvvvv 10vvvvvv 10vvvvvv */
else if ((ptr_string[0] & 0xF8) == 0xF0)
{
if (!ptr_string[1])
return (int)ptr_string[0] & 0x07;
if (!ptr_string[2])
return (((int)(ptr_string[0] & 0x07)) << 6) +
((int)(ptr_string[1] & 0x3F));
if (!ptr_string[3])
return (((int)(ptr_string[0] & 0x07)) << 12) +
(((int)(ptr_string[1] & 0x3F)) << 6) +
((int)(ptr_string[2] & 0x3F));
return (((int)(ptr_string[0] & 0x07)) << 18) +
(((int)(ptr_string[1] & 0x3F)) << 12) +
(((int)(ptr_string[2] & 0x3F)) << 6) +
((int)(ptr_string[3] & 0x3F));
}
/* UTF-8, 1 byte: 0vvvvvvv */
return (int)ptr_string[0];
}
/*
* utf8_char_size: return UTF-8 char size (in bytes)
*/
src/core/wee-utf8.h
+1
View File
@@ -38,6 +38,7 @@ extern int utf8_is_valid (const char *string, char **error);
extern void utf8_normalize (const char *string, char replacement);
extern char *utf8_prev_char (const char *string_start, const char *string);
extern char *utf8_next_char (const char *string);
extern int utf8_char_int (const char *string);
extern int utf8_char_size (const char *string);
extern int utf8_strlen (const char *string);
extern int utf8_strnlen (const char *string, int bytes);