diff options
Diffstat (limited to 'Zend/zend_constants.c')
| -rw-r--r-- | Zend/zend_constants.c | 236 |
1 files changed, 236 insertions, 0 deletions
diff --git a/Zend/zend_constants.c b/Zend/zend_constants.c new file mode 100644 index 0000000000..6072227a82 --- /dev/null +++ b/Zend/zend_constants.c @@ -0,0 +1,236 @@ +/* + +----------------------------------------------------------------------+ + | Zend Engine | + +----------------------------------------------------------------------+ + | Copyright (c) 1998, 1999 Andi Gutmans, Zeev Suraski | + +----------------------------------------------------------------------+ + | This source file is subject to the Zend license, that is bundled | + | with this package in the file LICENSE. If you did not receive a | + | copy of the Zend license, please mail us at zend@zend.com so we can | + | send you a copy immediately. | + +----------------------------------------------------------------------+ + | Authors: Andi Gutmans <andi@zend.com> | + | Zeev Suraski <zeev@zend.com> | + +----------------------------------------------------------------------+ +*/ + + +#include "zend.h" +#include "zend_constants.h" +#include "zend_variables.h" +#include "zend_operators.h" +#include "zend_globals.h" + + +void free_zend_constant(zend_constant *c) +{ + if (!(c->flags & CONST_PERSISTENT)) { + zval_dtor(&c->value); + } + free(c->name); +} + + +static int clean_non_persistent_constant(zend_constant *c) +{ + if (c->flags & CONST_PERSISTENT) { + return 0; + } else { + return 1; + } +} + + +static int clean_module_constant(zend_constant *c, int *module_number) +{ + if (c->module_number == *module_number) { + return 1; + } else { + return 0; + } +} + + +void clean_module_constants(int module_number) +{ + zend_hash_apply_with_argument(EG(zend_constants), (int (*)(void *,void *)) clean_module_constant, (void *) &module_number); +} + + +int zend_startup_constants(void) +{ +#if WIN32|WINNT + DWORD dwBuild=0; + DWORD dwVersion = GetVersion(); + DWORD dwWindowsMajorVersion = (DWORD)(LOBYTE(LOWORD(dwVersion))); + DWORD dwWindowsMinorVersion = (DWORD)(HIBYTE(LOWORD(dwVersion))); +#endif + + +/* ZEND_FIX: Move to PHP */ +#if 0 +#if WIN32|WINNT + // Get build numbers for Windows NT or Win95 + if (dwVersion < 0x80000000){ + php3_os="WINNT"; + } else { + php3_os="WIN32"; + } +#else + php3_os=PHP_OS; +#endif +#endif + + + EG(zend_constants) = (HashTable *) malloc(sizeof(HashTable)); + + if (zend_hash_init(EG(zend_constants), 20, NULL, (void(*)(void *)) free_zend_constant, 1)==FAILURE) { + return FAILURE; + } + +#if 0 + /* This should go back to PHP */ + REGISTER_MAIN_STRINGL_CONSTANT("PHP_VERSION", PHP_VERSION, sizeof(PHP_VERSION)-1, CONST_PERSISTENT | CONST_CS); + REGISTER_MAIN_STRINGL_CONSTANT("PHP_OS", php3_os, strlen(php3_os), CONST_PERSISTENT | CONST_CS); +#endif + REGISTER_MAIN_LONG_CONSTANT("E_ERROR", E_ERROR, CONST_PERSISTENT | CONST_CS); + REGISTER_MAIN_LONG_CONSTANT("E_WARNING", E_WARNING, CONST_PERSISTENT | CONST_CS); + REGISTER_MAIN_LONG_CONSTANT("E_NOTICE", E_NOTICE, CONST_PERSISTENT | CONST_CS); + REGISTER_MAIN_LONG_CONSTANT("E_PARSE", E_PARSE, CONST_PERSISTENT | CONST_CS); + REGISTER_MAIN_LONG_CONSTANT("E_ALL", E_ALL, CONST_PERSISTENT | CONST_CS); + + /* true/false constants */ + { + zend_constant c; + + c.value.type = IS_BOOL; + c.flags = CONST_PERSISTENT; + c.module_number = 0; + + c.name = zend_strndup("TRUE",4); + c.name_len = 5; + c.value.value.lval = 1; + c.value.type = IS_BOOL; + zend_register_constant(&c); + + c.name = zend_strndup("FALSE",5); + c.name_len = 6; + c.value.value.lval = 0; + c.value.type = IS_BOOL; + zend_register_constant(&c); + } + + return SUCCESS; +} + + +int zend_shutdown_constants(void) +{ + zend_hash_destroy(EG(zend_constants)); + free(EG(zend_constants)); + return SUCCESS; +} + + +void clean_non_persistent_constants(void) +{ + zend_hash_apply(EG(zend_constants), (int (*)(void *)) clean_non_persistent_constant); +} + + +ZEND_API void zend_register_long_constant(char *name, uint name_len, long lval, int flags, int module_number) +{ + zend_constant c; + + c.value.type = IS_LONG; + c.value.value.lval = lval; + c.flags = flags; + c.name = zend_strndup(name,name_len); + c.name_len = name_len; + c.module_number = module_number; + zend_register_constant(&c); +} + + +ZEND_API void zend_register_double_constant(char *name, uint name_len, double dval, int flags, int module_number) +{ + zend_constant c; + + c.value.type = IS_DOUBLE; + c.value.value.dval = dval; + c.flags = flags; + c.name = zend_strndup(name,name_len); + c.name_len = name_len; + c.module_number = module_number; + zend_register_constant(&c); +} + + +ZEND_API void zend_register_stringl_constant(char *name, uint name_len, char *strval, uint strlen, int flags, int module_number) +{ + zend_constant c; + + c.value.type = IS_STRING; + c.value.value.str.val = strval; + c.value.value.str.len = strlen; + c.flags = flags; + c.name = zend_strndup(name,name_len); + c.name_len = name_len; + c.module_number = module_number; + zend_register_constant(&c); +} + + +ZEND_API void zend_register_string_constant(char *name, uint name_len, char *strval, int flags, int module_number) +{ + zend_register_stringl_constant(name, name_len, strval, strlen(strval), flags, module_number); +} + + +ZEND_API int zend_get_constant(char *name, uint name_len, zval *result) +{ + zend_constant *c; + char *lookup_name = estrndup(name,name_len); + int retval; + + zend_str_tolower(lookup_name, name_len); + + if (zend_hash_find(EG(zend_constants), lookup_name, name_len+1, (void **) &c)==SUCCESS) { + if ((c->flags & CONST_CS) && memcmp(c->name, name, name_len)!=0) { + retval=0; + } else { + retval=1; + *result = c->value; + zval_copy_ctor(result); + } + } else { + retval=0; + } + + efree(lookup_name); + return retval; +} + + +ZEND_API void zend_register_constant(zend_constant *c) +{ + char *lowercase_name = zend_strndup(c->name, c->name_len); + +#if 0 + printf("Registering constant for module %d\n",c->module_number); +#endif + + zend_str_tolower(lowercase_name, c->name_len); + if (zend_hash_add(EG(zend_constants), lowercase_name, c->name_len, (void *) c, sizeof(zend_constant), NULL)==FAILURE) { + zval_dtor(&c->value); + } + free(lowercase_name); +} + + +/* + * Local variables: + * tab-width: 4 + * c-basic-offset: 4 + * End: + */ |