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Optimize php_unicode_tolower/upper for ASCII

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This commit is contained in:
Nikita Popov 2017-07-20 13:57:18 +02:00
parent ba383b8239
commit 17da862b51
1 changed files with 22 additions and 39 deletions
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61
ext/mbstring/php_unicode.c
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@ -47,19 +47,6 @@
ZEND_EXTERN_MODULE_GLOBALS(mbstring)
/*
* A simple array of 32-bit masks for lookup.
*/
static unsigned long masks32[32] = {
0x00000001, 0x00000002, 0x00000004, 0x00000008, 0x00000010, 0x00000020,
0x00000040, 0x00000080, 0x00000100, 0x00000200, 0x00000400, 0x00000800,
0x00001000, 0x00002000, 0x00004000, 0x00008000, 0x00010000, 0x00020000,
0x00040000, 0x00080000, 0x00100000, 0x00200000, 0x00400000, 0x00800000,
0x01000000, 0x02000000, 0x04000000, 0x08000000, 0x10000000, 0x20000000,
0x40000000, 0x80000000
};
static int prop_lookup(unsigned long code, unsigned long n)
{
long l, r, m;
@ -151,27 +138,22 @@ static unsigned long case_lookup(unsigned long code, long l, long r, int field)
return code;
}
MBSTRING_API unsigned long php_turkish_toupper(unsigned long code, long l, long r, int field)
{
if (code == 0x0069L) {
return 0x0130L;
}
return case_lookup(code, l, r, field);
}
MBSTRING_API unsigned long php_turkish_tolower(unsigned long code, long l, long r, int field)
{
if (code == 0x0049L) {
return 0x0131L;
}
return case_lookup(code, l, r, field);
}
MBSTRING_API unsigned long php_unicode_toupper(unsigned long code, enum mbfl_no_encoding enc)
{
int field;
long l, r;
if (code < 0x80) {
/* Fast path for ASCII */
if (code >= 0x61 && code <= 0x7A) {
if (enc == mbfl_no_encoding_8859_9 && code == 0x0069L) {
return 0x0130L;
}
return code - 0x20;
}
return code;
}
if (php_unicode_is_upper(code))
return code;
@ -182,11 +164,6 @@ MBSTRING_API unsigned long php_unicode_toupper(unsigned long code, enum mbfl_no_
field = 2;
l = _uccase_len[0];
r = (l + _uccase_len[1]) - 3;
if (enc == mbfl_no_encoding_8859_9) {
return php_turkish_toupper(code, l, r, field);
}
} else {
/*
* The character is title case.
@ -203,6 +180,17 @@ MBSTRING_API unsigned long php_unicode_tolower(unsigned long code, enum mbfl_no_
int field;
long l, r;
if (code < 0x80) {
/* Fast path for ASCII */
if (code >= 0x41 && code <= 0x5A) {
if (enc == mbfl_no_encoding_8859_9 && code == 0x0049L) {
return 0x0131L;
}
return code + 0x20;
}
return code;
}
if (php_unicode_is_lower(code))
return code;
@ -213,11 +201,6 @@ MBSTRING_API unsigned long php_unicode_tolower(unsigned long code, enum mbfl_no_
field = 1;
l = 0;
r = _uccase_len[0] - 3;
if (enc == mbfl_no_encoding_8859_9) {
return php_turkish_tolower(code, l, r, field);
}
} else {
/*
* The character is title case.