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- Unicode capable impl() of strrev()

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This commit is contained in:
Rolland Santimano 2005-08-19 10:59:19 +00:00
parent 80079885bb
commit 973e98f51e
1 changed files with 39 additions and 13 deletions
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52
ext/standard/string.c
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@ -3212,25 +3212,51 @@ PHP_FUNCTION(strrev)
{
zval **str;
char *s, *e, *n, *p;
UChar *u_s, *u_e, *u_n, *u_p;
if (ZEND_NUM_ARGS()!=1 || zend_get_parameters_ex(1, &str) == FAILURE) {
WRONG_PARAM_COUNT;
}
convert_to_string_ex(str);
n = emalloc(Z_STRLEN_PP(str)+1);
p = n;
s = Z_STRVAL_PP(str);
e = s + Z_STRLEN_PP(str);
while (--e>=s) {
*p++ = *e;
if (Z_TYPE_PP(str) != IS_UNICODE && Z_TYPE_PP(str) != IS_BINARY && Z_TYPE_PP(str) != IS_STRING) {
convert_to_text_ex(str);
}
if (Z_TYPE_PP(str) == IS_UNICODE) {
u_n = eumalloc(Z_USTRLEN_PP(str)+1);
u_p = u_n;
u_s = Z_USTRVAL_PP(str);
u_e = u_s + Z_USTRLEN_PP(str) - 1;
while (u_e >= u_s) {
if (U16_IS_TRAIL(*u_e)) {
*u_p = *(u_e-1);
*(u_p+1) = *u_e;
u_e -= 2; u_p += 2;
} else {
*u_p++ = *u_e--;
}
}
*u_p = 0;
} else {
n = emalloc(Z_STRLEN_PP(str)+1);
p = n;
s = Z_STRVAL_PP(str);
e = s + Z_STRLEN_PP(str);
while (--e >= s) {
*(p++) = *e;
}
*p = '\0';
}
*p = '\0';
RETVAL_STRINGL(n, Z_STRLEN_PP(str), 0);
if (Z_TYPE_PP(str) == IS_UNICODE) {
RETVAL_UNICODEL(u_n, Z_USTRLEN_PP(str), 0);
} else if (Z_TYPE_PP(str) == IS_BINARY) {
RETVAL_BINARYL(n, Z_BINLEN_PP(str), 0);
} else {
RETVAL_STRINGL(n, Z_STRLEN_PP(str), 0);
}
}
/* }}} */