/* {{{ proto Closure Closure::bind(Closure $old, object $to [, mixed $scope = "static" ] )
Create a closure from another one and bind to another object and scope */
ZEND_METHOD(Closure, bind) /* {{{ */
{
zval *newthis, *zclosure, *scope_arg = NULL;
zend_closure *closure;
zend_class_entry *ce, **ce_p;
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "Oo!|z", &zclosure, zend_ce_closure, &newthis, &scope_arg) == FAILURE) {
RETURN_NULL();
}
closure = (zend_closure *)zend_object_store_get_object(zclosure TSRMLS_CC);
if ((newthis != NULL) && (closure->func.common.fn_flags & ZEND_ACC_STATIC)) {
zend_error(E_WARNING, "Cannot bind an instance to a static closure");
}
if (scope_arg != NULL) { /* scope argument was given */
if (IS_ZEND_STD_OBJECT(*scope_arg)) {
ce = Z_OBJCE_P(scope_arg);
} else if (Z_TYPE_P(scope_arg) == IS_NULL) {
ce = NULL;
} else {
char *class_name;
int class_name_len;
zval tmp_zval;
INIT_ZVAL(tmp_zval);
if (Z_TYPE_P(scope_arg) == IS_STRING) {
class_name = Z_STRVAL_P(scope_arg);
class_name_len = Z_STRLEN_P(scope_arg);
} else {
tmp_zval = *scope_arg;
zval_copy_ctor(&tmp_zval);
convert_to_string(&tmp_zval);
class_name = Z_STRVAL(tmp_zval);
class_name_len = Z_STRLEN(tmp_zval);
}
if ((class_name_len == sizeof("static") - 1) &&
(memcmp("static", class_name, sizeof("static") - 1) == 0)) {
ce = closure->func.common.scope;
}
else if (zend_lookup_class_ex(class_name, class_name_len, NULL, 1, &ce_p TSRMLS_CC) == FAILURE) {
zend_error(E_WARNING, "Class '%s' not found", class_name);
zval_dtor(&tmp_zval);
RETURN_NULL();
} else {
ce = *ce_p;
}
zval_dtor(&tmp_zval);
}
} else { /* scope argument not given; do not change the scope by default */
ce = closure->func.common.scope;
}
zend_create_closure(return_value, &closure->func, ce, newthis TSRMLS_CC);
}
/* {{{ proto Closure Closure::bind(Closure $old, object $to [, mixed $scope = "static" ] )
Create a closure from another one and bind to another object and scope */
ZEND_METHOD(Closure, bind)
{
zval *newthis, *zclosure, *scope_arg = NULL;
zend_closure *closure;
zend_class_entry *ce;
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "Oo!|z", &zclosure, zend_ce_closure, &newthis, &scope_arg) == FAILURE) {
RETURN_NULL();
}
closure = (zend_closure *)Z_OBJ_P(zclosure);
if ((newthis != NULL) && (closure->func.common.fn_flags & ZEND_ACC_STATIC)) {
zend_error(E_WARNING, "Cannot bind an instance to a static closure");
}
if (scope_arg != NULL) { /* scope argument was given */
if (IS_ZEND_STD_OBJECT(*scope_arg)) {
ce = Z_OBJCE_P(scope_arg);
} else if (Z_TYPE_P(scope_arg) == IS_NULL) {
ce = NULL;
} else {
zend_string *class_name = zval_get_string(scope_arg);
if ((class_name->len == sizeof("static") - 1) &&
(memcmp("static", class_name->val, sizeof("static") - 1) == 0)) {
ce = closure->func.common.scope;
} else if ((ce = zend_lookup_class_ex(class_name, NULL, 1 TSRMLS_CC)) == NULL) {
zend_error(E_WARNING, "Class '%s' not found", class_name->val);
STR_RELEASE(class_name);
RETURN_NULL();
}
STR_RELEASE(class_name);
}
} else { /* scope argument not given; do not change the scope by default */
ce = closure->func.common.scope;
}
zend_create_closure(return_value, &closure->func, ce, newthis TSRMLS_CC);
}
/* {{{ proto Closure Closure::bind(Closure $old, object $to [, mixed $scope = "static" ] )
Create a closure from another one and bind to another object and scope */
ZEND_METHOD(Closure, bind)
{
zval *newthis, *zclosure, *scope_arg = NULL;
zend_closure *closure;
zend_class_entry *ce, **ce_p;
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "Oo!|z", &zclosure, zend_ce_closure, &newthis, &scope_arg) == FAILURE) {
RETURN_NULL();
}
closure = (zend_closure *)zend_object_store_get_object(zclosure TSRMLS_CC);
if ((newthis != NULL) && (closure->func.common.fn_flags & ZEND_ACC_STATIC)) {
zend_error(E_WARNING, "Cannot bind an instance to a static closure");
}
if (newthis == NULL && !(closure->func.common.fn_flags & ZEND_ACC_STATIC)
&& closure->func.common.scope && closure->func.type == ZEND_INTERNAL_FUNCTION) {
zend_error(E_WARNING, "Cannot unbind $this of internal method");
return;
}
if (scope_arg != NULL) { /* scope argument was given */
if (IS_ZEND_STD_OBJECT(*scope_arg)) {
ce = Z_OBJCE_P(scope_arg);
} else if (Z_TYPE_P(scope_arg) == IS_NULL) {
ce = NULL;
} else {
char *class_name;
int class_name_len;
zval tmp_zval;
INIT_ZVAL(tmp_zval);
if (Z_TYPE_P(scope_arg) == IS_STRING) {
class_name = Z_STRVAL_P(scope_arg);
class_name_len = Z_STRLEN_P(scope_arg);
} else {
tmp_zval = *scope_arg;
zval_copy_ctor(&tmp_zval);
convert_to_string(&tmp_zval);
class_name = Z_STRVAL(tmp_zval);
class_name_len = Z_STRLEN(tmp_zval);
}
if ((class_name_len == sizeof("static") - 1) &&
(memcmp("static", class_name, sizeof("static") - 1) == 0)) {
ce = closure->func.common.scope;
}
else if (zend_lookup_class_ex(class_name, class_name_len, NULL, 1, &ce_p TSRMLS_CC) == FAILURE) {
zend_error(E_WARNING, "Class '%s' not found", class_name);
zval_dtor(&tmp_zval);
RETURN_NULL();
} else {
ce = *ce_p;
}
zval_dtor(&tmp_zval);
}
} else { /* scope argument not given; do not change the scope by default */
ce = closure->func.common.scope;
}
/* verify that we aren't binding internal function to a wrong scope */
if (closure->func.type == ZEND_INTERNAL_FUNCTION && closure->func.common.scope != NULL) {
if (ce && !instanceof_function(ce, closure->func.common.scope TSRMLS_CC)) {
zend_error(E_WARNING, "Cannot bind function %s::%s to scope class %s", closure->func.common.scope->name, closure->func.common.function_name, ce->name);
return;
}
if (ce && newthis && (closure->func.common.fn_flags & ZEND_ACC_STATIC) == 0 &&
!instanceof_function(Z_OBJCE_P(newthis), closure->func.common.scope TSRMLS_CC)) {
zend_error(E_WARNING, "Cannot bind internal method %s::%s() to object of class %s", closure->func.common.scope->name, closure->func.common.function_name, Z_OBJCE_P(newthis)->name);
return;
}
}
zend_create_closure(return_value, &closure->func, ce, newthis TSRMLS_CC);
}