Hi Andrei, We decide to use the same type for str.len (now int) and ustr.len (now int32_t, it comes from ICU).
I prefer to make both of them - int. Any reclaims? I plan to do it at Thursday. Thanks. Dmitry. > -----Original Message----- > From: Dmitry Stogov [mailto:[EMAIL PROTECTED] > Sent: Thursday, February 16, 2006 12:12 PM > To: php-i18n@lists.php.net > Subject: RE: [PHP-I18N] Ideas for a portable string api > > > Hi, > > After reviewing Marcus ideas, some experiments and speaking > with Andrei. I propose the following solutions: > > 1) We will not use any kind of unicode literals in C code (no > L"foo" no "f\0o\0o\0\0"), Because L"" is not portable and > "f\0.." looks to ugly. > > 2) We will change "zval" structure to make > "zval.value.str.len" and "zval.value.ustr.len" of the same > type. This will allow optimize Z_UNISTR() and Z_UNILEN() > macros. They will > > #define Z_UNISTR(z) ((void*)(Z_STRVAL(z))) > #define Z_UNILEN(z) ((void*)(Z_STRLEN(z))) > > Instead of > > #define Z_UNISTR(z) > Z_TYPE(z)==IS_UNICODE?(char*)Z_USTRVAL(z):Z_STRVAL(z) > #define Z_UNILEN(z) > Z_TYPE(z)==IS_UNICODE?(int)Z_USTRLEN(z):Z_STRLEN(z) > > 3) I don't like to break source compatibility with > modification of "zval" layout as Marcus suggested. We will > pass string/unicode values near in the same way as do today. > As three values - zend_uchar type, void* str, int len. But we > will create a set of the following macros to do it with less overhead. > > #define S_TYPE(x) _type_##x > #define S_UNIVAL(x) _val_##x > #define S_UNILEN(x) _len_##x > #define S_STRVAL(x) ((char*)S_UNIVAL(x)) > #define S_USTRVAL(x) ((UChar*)S_UNIVAL(x)) > #define S_STRLEN(x) S_UNILEN(x) > #define S_USTRLEN(x) S_UNILEN(x) > > #define S_ARG(x) zend_uchar S_TYPE(x), void > *S_UNIVAL(x), int > S_UNILEN(x) > > #define S_PASS(x) S_TYPE(x), S_UNIVAL(x), S_UNILEN(x) > > #define Z_STR_PASS(x) Z_TYPE(x), Z_UNIVAL(x), Z_UNILEN(x) > #define Z_STR_PASS_P(x) Z_TYPE_P(x), Z_UNIVAL_P(x), > Z_UNILEN_P(x) > #define Z_STR_PASS_PP(x) Z_TYPE_PP(x), Z_UNIVAL_PP(x), > Z_UNILEN_PP(x) > > Then most zend_u_... Functions must be rewriten with these macros > > Foe example: > > ZEND_API int zend_u_lookup_class(S_ARG(name), zend_class_entry ***ce > TSRMLS_DC) > { > return zend_u_lookup_class_ex(S_PASS(name), 1, ce TSRMLS_CC); } > > Instead of > > ZEND_API int zend_u_lookup_class(zend_uchar type, void *name, > int name_length, zend_class_entry ***ce TSRMLS_DC) { > return zend_u_lookup_class_ex(type, name, name_length, > 1, ce TSRMLS_CC); } > > Any objections, additions? > > Thanks. Dmitry. > > -- > PHP Unicode & I18N Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > > > -- PHP Unicode & I18N Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
