/* This compares two variants for equality */
static int com_objects_compare(zval *object1, zval *object2)
{
php_com_dotnet_object *obja, *objb;
int ret;
/* strange header bug problem here... the headers define the proto without the
* flags parameter. However, the MSDN docs state that there is a flags parameter,
* and my VC6 won't link unless the code uses the version with 4 parameters.
* So, we have this declaration here to fix it */
STDAPI VarCmp(LPVARIANT pvarLeft, LPVARIANT pvarRight, LCID lcid, DWORD flags);
obja = CDNO_FETCH(object1);
objb = CDNO_FETCH(object2);
switch (VarCmp(&obja->v, &objb->v, LOCALE_SYSTEM_DEFAULT, 0)) {
case VARCMP_LT:
ret = -1;
break;
case VARCMP_GT:
ret = 1;
break;
case VARCMP_EQ:
ret = 0;
break;
default:
/* either or both operands are NULL...
* not 100% sure how to handle this */
ret = -2;
}
return ret;
}
static zval *com_property_read(zval *object, zval *member, int type TSRMLS_DC)
{
zval *return_value;
php_com_dotnet_object *obj;
VARIANT v;
HRESULT res;
MAKE_STD_ZVAL(return_value);
ZVAL_NULL(return_value);
Z_SET_REFCOUNT_P(return_value, 0);
Z_UNSET_ISREF_P(return_value);
obj = CDNO_FETCH(object);
if (V_VT(&obj->v) == VT_DISPATCH) {
VariantInit(&v);
convert_to_string_ex(&member);
res = php_com_do_invoke(obj, Z_STRVAL_P(member), Z_STRLEN_P(member),
DISPATCH_METHOD|DISPATCH_PROPERTYGET, &v, 0, NULL, 1 TSRMLS_CC);
if (res == SUCCESS) {
php_com_zval_from_variant(return_value, &v, obj->code_page TSRMLS_CC);
VariantClear(&v);
} else if (res == DISP_E_BADPARAMCOUNT) {
php_com_saproxy_create(object, return_value, member TSRMLS_CC);
}
} else {
php_com_throw_exception(E_INVALIDARG, "this variant has no properties" TSRMLS_CC);
}
return return_value;
}
static zval *com_read_dimension(zval *object, zval *offset, int type, zval *rv)
{
php_com_dotnet_object *obj;
VARIANT v;
ZVAL_NULL(rv);
obj = CDNO_FETCH(object);
if (V_VT(&obj->v) == VT_DISPATCH) {
VariantInit(&v);
if (SUCCESS == php_com_do_invoke_by_id(obj, DISPID_VALUE,
DISPATCH_METHOD|DISPATCH_PROPERTYGET, &v, 1, offset, 0, 0)) {
php_com_zval_from_variant(rv, &v, obj->code_page);
VariantClear(&v);
}
} else if (V_ISARRAY(&obj->v)) {
convert_to_long(offset);
if (SafeArrayGetDim(V_ARRAY(&obj->v)) == 1) {
if (php_com_safearray_get_elem(&obj->v, &v, (LONG)Z_LVAL_P(offset))) {
php_com_wrap_variant(rv, &v, obj->code_page);
VariantClear(&v);
}
} else {
php_com_saproxy_create(object, rv, offset);
}
} else {
php_com_throw_exception(E_INVALIDARG, "this variant is not an array type");
}
return rv;
}
static zval *com_property_read(zval *object, zval *member, int type, void **cahce_slot, zval *rv)
{
php_com_dotnet_object *obj;
VARIANT v;
HRESULT res;
ZVAL_NULL(rv);
obj = CDNO_FETCH(object);
if (V_VT(&obj->v) == VT_DISPATCH) {
VariantInit(&v);
convert_to_string_ex(member);
res = php_com_do_invoke(obj, Z_STRVAL_P(member), Z_STRLEN_P(member),
DISPATCH_METHOD|DISPATCH_PROPERTYGET, &v, 0, NULL, 1);
if (res == SUCCESS) {
php_com_zval_from_variant(rv, &v, obj->code_page);
VariantClear(&v);
} else if (res == DISP_E_BADPARAMCOUNT) {
php_com_saproxy_create(object, rv, member);
}
} else {
php_com_throw_exception(E_INVALIDARG, "this variant has no properties");
}
return rv;
}
static void com_write_dimension(zval *object, zval *offset, zval *value)
{
php_com_dotnet_object *obj;
zval args[2];
VARIANT v;
HRESULT res;
obj = CDNO_FETCH(object);
if (V_VT(&obj->v) == VT_DISPATCH) {
ZVAL_COPY_VALUE(&args[0], offset);
ZVAL_COPY_VALUE(&args[1], value);
VariantInit(&v);
if (SUCCESS == php_com_do_invoke_by_id(obj, DISPID_VALUE,
DISPATCH_METHOD|DISPATCH_PROPERTYPUT, &v, 2, args, 0, 0)) {
VariantClear(&v);
}
} else if (V_ISARRAY(&obj->v)) {
LONG indices = 0;
VARTYPE vt;
if (SafeArrayGetDim(V_ARRAY(&obj->v)) == 1) {
if (FAILED(SafeArrayGetVartype(V_ARRAY(&obj->v), &vt)) || vt == VT_EMPTY) {
vt = V_VT(&obj->v) & ~VT_ARRAY;
}
convert_to_long(offset);
indices = (LONG)Z_LVAL_P(offset);
VariantInit(&v);
php_com_variant_from_zval(&v, value, obj->code_page);
if (V_VT(&v) != vt) {
VariantChangeType(&v, &v, 0, vt);
}
if (vt == VT_VARIANT) {
res = SafeArrayPutElement(V_ARRAY(&obj->v), &indices, &v);
} else {
res = SafeArrayPutElement(V_ARRAY(&obj->v), &indices, &v.lVal);
}
VariantClear(&v);
if (FAILED(res)) {
php_com_throw_exception(res, NULL);
}
} else {
php_com_throw_exception(DISP_E_BADINDEX, "this variant has multiple dimensions; you can't set a new value without specifying *all* dimensions");
}
} else {
php_com_throw_exception(E_INVALIDARG, "this variant is not an array type");
}
}
static int com_object_cast(zval *readobj, zval *writeobj, int type)
{
php_com_dotnet_object *obj;
VARIANT v;
VARTYPE vt = VT_EMPTY;
HRESULT res = S_OK;
obj = CDNO_FETCH(readobj);
ZVAL_NULL(writeobj);
VariantInit(&v);
if (V_VT(&obj->v) == VT_DISPATCH) {
if (SUCCESS != php_com_do_invoke_by_id(obj, DISPID_VALUE,
DISPATCH_METHOD|DISPATCH_PROPERTYGET, &v, 0, NULL, 1, 0)) {
VariantCopy(&v, &obj->v);
}
} else {
VariantCopy(&v, &obj->v);
}
switch(type) {
case IS_LONG:
vt = VT_INT;
break;
case IS_DOUBLE:
vt = VT_R8;
break;
case IS_FALSE:
case IS_TRUE:
case _IS_BOOL:
vt = VT_BOOL;
break;
case IS_STRING:
vt = VT_BSTR;
break;
default:
;
}
if (vt != VT_EMPTY && vt != V_VT(&v)) {
res = VariantChangeType(&v, &v, 0, vt);
}
if (SUCCEEDED(res)) {
php_com_zval_from_variant(writeobj, &v, obj->code_page);
}
VariantClear(&v);
if (SUCCEEDED(res)) {
return SUCCESS;
}
return zend_std_cast_object_tostring(readobj, writeobj, type);
}
static void variant_unary_operation(enum variant_unary_opcode op, INTERNAL_FUNCTION_PARAMETERS) /* {{{ */
{
VARIANT vres;
VARIANT left_val;
VARIANT *vleft = NULL;
zval *zleft = NULL;
php_com_dotnet_object *obj;
HRESULT result;
int codepage = CP_ACP;
VariantInit(&left_val);
VariantInit(&vres);
if (SUCCESS == zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET,
ZEND_NUM_ARGS(), "O", &zleft, php_com_variant_class_entry)) {
obj = CDNO_FETCH(zleft);
vleft = &obj->v;
} else if (SUCCESS == zend_parse_parameters(ZEND_NUM_ARGS(),
"z!", &zleft)) {
vleft = &left_val;
php_com_variant_from_zval(vleft, zleft, codepage);
} else {
return;
}
switch (op) {
case VOP_ABS:
result = VarAbs(vleft, &vres);
break;
case VOP_FIX:
result = VarFix(vleft, &vres);
break;
case VOP_INT:
result = VarInt(vleft, &vres);
break;
case VOP_NEG:
result = VarNeg(vleft, &vres);
break;
case VOP_NOT:
result = VarNot(vleft, &vres);
break;
default:
result = E_INVALIDARG;
}
if (SUCCEEDED(result)) {
php_com_wrap_variant(return_value, &vres, codepage);
} else {
php_com_throw_exception(result, NULL);
}
VariantClear(&vres);
VariantClear(&left_val);
}
static int com_object_count(zval *object, zend_long *count)
{
php_com_dotnet_object *obj;
LONG ubound = 0, lbound = 0;
obj = CDNO_FETCH(object);
if (!V_ISARRAY(&obj->v)) {
return FAILURE;
}
SafeArrayGetLBound(V_ARRAY(&obj->v), 1, &lbound);
SafeArrayGetUBound(V_ARRAY(&obj->v), 1, &ubound);
*count = ubound - lbound + 1;
return SUCCESS;
}
static void com_property_write(zval *object, zval *member, zval *value, void **cache_slot)
{
php_com_dotnet_object *obj;
VARIANT v;
obj = CDNO_FETCH(object);
if (V_VT(&obj->v) == VT_DISPATCH) {
VariantInit(&v);
convert_to_string_ex(member);
if (SUCCESS == php_com_do_invoke(obj, Z_STRVAL_P(member), Z_STRLEN_P(member),
DISPATCH_PROPERTYPUT|DISPATCH_PROPERTYPUTREF, &v, 1, value, 0)) {
VariantClear(&v);
}
} else {
php_com_throw_exception(E_INVALIDARG, "this variant has no properties");
}
}
static int com_property_exists(zval *object, zval *member, int check_empty, void **cache_slot)
{
DISPID dispid;
php_com_dotnet_object *obj;
obj = CDNO_FETCH(object);
if (V_VT(&obj->v) == VT_DISPATCH) {
convert_to_string_ex(member);
if (SUCCEEDED(php_com_get_id_of_name(obj, Z_STRVAL_P(member), Z_STRLEN_P(member), &dispid))) {
/* TODO: distinguish between property and method! */
return 1;
}
} else {
/* TODO: check for safearray */
}
return 0;
}
} else if (res == DISP_E_BADPARAMCOUNT) {
php_com_saproxy_create(object, return_value, member TSRMLS_CC);
}
} else {
php_com_throw_exception(E_INVALIDARG, "this variant has no properties" TSRMLS_CC);
}
return return_value;
}
static void com_property_write(zval *object, zval *member, zval *value TSRMLS_DC)
{
php_com_dotnet_object *obj;
VARIANT v;
obj = CDNO_FETCH(object);
if (V_VT(&obj->v) == VT_DISPATCH) {
VariantInit(&v);
convert_to_string_ex(&member);
if (SUCCESS == php_com_do_invoke(obj, Z_STRVAL_P(member), Z_STRLEN_P(member),
DISPATCH_PROPERTYPUT|DISPATCH_PROPERTYPUTREF, &v, 1, &value, 0 TSRMLS_CC)) {
VariantClear(&v);
}
} else {
php_com_throw_exception(E_INVALIDARG, "this variant has no properties" TSRMLS_CC);
}
}
static zval *com_read_dimension(zval *object, zval *offset, int type TSRMLS_DC)
zend_object_iterator *php_com_iter_get(zend_class_entry *ce, zval *object, int by_ref)
{
php_com_dotnet_object *obj;
struct php_com_iterator *I;
IEnumVARIANT *iev = NULL;
DISPPARAMS dp;
VARIANT v;
unsigned long n_fetched;
zval ptr;
if (by_ref) {
zend_throw_error(NULL, "An iterator cannot be used with foreach by reference");
return NULL;
}
obj = CDNO_FETCH(object);
if (V_VT(&obj->v) != VT_DISPATCH && !V_ISARRAY(&obj->v)) {
php_error_docref(NULL, E_WARNING, "variant is not an object or array VT=%d", V_VT(&obj->v));
return NULL;
}
memset(&dp, 0, sizeof(dp));
VariantInit(&v);
I = (struct php_com_iterator*)ecalloc(1, sizeof(*I));
zend_iterator_init(&I->iter);
I->iter.funcs = &com_iter_funcs;
Z_PTR(I->iter.data) = I;
I->code_page = obj->code_page;
ZVAL_UNDEF(&I->zdata);
VariantInit(&I->safe_array);
VariantInit(&I->v);
if (V_ISARRAY(&obj->v)) {
LONG bound;
UINT dims;
dims = SafeArrayGetDim(V_ARRAY(&obj->v));
if (dims != 1) {
php_error_docref(NULL, E_WARNING,
"Can only handle single dimension variant arrays (this array has %d)", dims);
goto fail;
}
/* same semantics as foreach on a PHP array;
* make a copy and enumerate that copy */
VariantCopy(&I->safe_array, &obj->v);
/* determine the key value for the array */
SafeArrayGetLBound(V_ARRAY(&I->safe_array), 1, &bound);
SafeArrayGetUBound(V_ARRAY(&I->safe_array), 1, &I->sa_max);
/* pre-fetch the element */
if (php_com_safearray_get_elem(&I->safe_array, &I->v, bound)) {
I->key = bound;
ZVAL_NULL(&ptr);
php_com_zval_from_variant(&ptr, &I->v, I->code_page);
ZVAL_COPY_VALUE(&I->zdata, &ptr);
} else {
I->key = (ulong)-1;
}
} else {
/* can we enumerate it? */
if (FAILED(IDispatch_Invoke(V_DISPATCH(&obj->v), DISPID_NEWENUM,
&IID_NULL, LOCALE_SYSTEM_DEFAULT, DISPATCH_METHOD|DISPATCH_PROPERTYGET,
&dp, &v, NULL, NULL))) {
goto fail;
}
/* get something useful out of it */
if (V_VT(&v) == VT_UNKNOWN) {
IUnknown_QueryInterface(V_UNKNOWN(&v), &IID_IEnumVARIANT, (void**)&iev);
} else if (V_VT(&v) == VT_DISPATCH) {
IDispatch_QueryInterface(V_DISPATCH(&v), &IID_IEnumVARIANT, (void**)&iev);
}
VariantClear(&v);
if (iev == NULL) {
goto fail;
}
I->ev = iev;
/* Get the first element now */
if (SUCCEEDED(IEnumVARIANT_Next(I->ev, 1, &I->v, &n_fetched)) && n_fetched > 0) {
/* indicate that we have element 0 */
I->key = 0;
ZVAL_NULL(&ptr);
php_com_zval_from_variant(&ptr, &I->v, I->code_page);
ZVAL_COPY_VALUE(&I->zdata, &ptr);
} else {
/* indicate that there are no more items */
I->key = (ulong)-1;
}
}
return &I->iter;
fail:
if (I) {
VariantClear(&I->safe_array);
VariantClear(&I->v);
efree(I);
}
return NULL;
}
PHP_COM_DOTNET_API void php_com_variant_from_zval(VARIANT *v, zval *z, int codepage TSRMLS_DC)
{
OLECHAR *olestring;
php_com_dotnet_object *obj;
switch (Z_TYPE_P(z)) {
case IS_NULL:
V_VT(v) = VT_NULL;
break;
case IS_BOOL:
V_VT(v) = VT_BOOL;
V_BOOL(v) = Z_BVAL_P(z) ? VARIANT_TRUE : VARIANT_FALSE;
break;
case IS_OBJECT:
if (php_com_is_valid_object(z TSRMLS_CC)) {
obj = CDNO_FETCH(z);
if (V_VT(&obj->v) == VT_DISPATCH) {
/* pass the underlying object */
V_VT(v) = VT_DISPATCH;
if (V_DISPATCH(&obj->v)) {
IDispatch_AddRef(V_DISPATCH(&obj->v));
}
V_DISPATCH(v) = V_DISPATCH(&obj->v);
} else {
/* pass the variant by reference */
V_VT(v) = VT_VARIANT | VT_BYREF;
V_VARIANTREF(v) = &obj->v;
}
} else {
/* export the PHP object using our COM wrapper */
V_VT(v) = VT_DISPATCH;
V_DISPATCH(v) = php_com_wrapper_export(z TSRMLS_CC);
}
break;
case IS_ARRAY:
/* map as safe array */
safe_array_from_zval(v, z, codepage TSRMLS_CC);
break;
case IS_LONG:
V_VT(v) = VT_I4;
V_I4(v) = Z_LVAL_P(z);
break;
case IS_DOUBLE:
V_VT(v) = VT_R8;
V_R8(v) = Z_DVAL_P(z);
break;
case IS_STRING:
V_VT(v) = VT_BSTR;
olestring = php_com_string_to_olestring(Z_STRVAL_P(z), Z_STRLEN_P(z), codepage TSRMLS_CC);
V_BSTR(v) = SysAllocStringByteLen((char*)olestring, Z_STRLEN_P(z) * sizeof(OLECHAR));
efree(olestring);
break;
case IS_RESOURCE:
case IS_CONSTANT:
case IS_CONSTANT_ARRAY:
default:
V_VT(v) = VT_NULL;
break;
}
}
PHP_COM_DOTNET_API void php_com_variant_from_zval(VARIANT *v, zval *z, int codepage)
{
OLECHAR *olestring;
php_com_dotnet_object *obj;
zend_uchar ztype = IS_NULL;
if (z) {
ZVAL_DEREF(z);
ztype = Z_TYPE_P(z);
}
switch (ztype) {
case IS_NULL:
V_VT(v) = VT_NULL;
break;
case IS_FALSE:
V_VT(v) = VT_BOOL;
V_BOOL(v) = VARIANT_FALSE;
break;
case IS_TRUE:
V_VT(v) = VT_BOOL;
V_BOOL(v) = VARIANT_TRUE;
break;
case IS_OBJECT:
if (php_com_is_valid_object(z)) {
obj = CDNO_FETCH(z);
if (V_VT(&obj->v) == VT_DISPATCH) {
/* pass the underlying object */
V_VT(v) = VT_DISPATCH;
if (V_DISPATCH(&obj->v)) {
IDispatch_AddRef(V_DISPATCH(&obj->v));
}
V_DISPATCH(v) = V_DISPATCH(&obj->v);
} else {
/* pass the variant by reference */
V_VT(v) = VT_VARIANT | VT_BYREF;
V_VARIANTREF(v) = &obj->v;
}
} else {
/* export the PHP object using our COM wrapper */
V_VT(v) = VT_DISPATCH;
V_DISPATCH(v) = php_com_wrapper_export(z);
}
break;
case IS_ARRAY:
/* map as safe array */
safe_array_from_zval(v, z, codepage);
break;
case IS_LONG:
#if SIZEOF_ZEND_LONG == 4
V_VT(v) = VT_I4;
V_I4(v) = Z_LVAL_P(z);
#else
V_VT(v) = VT_I8;
V_I8(v) = Z_LVAL_P(z);
#endif
break;
case IS_DOUBLE:
V_VT(v) = VT_R8;
V_R8(v) = Z_DVAL_P(z);
break;
case IS_STRING:
V_VT(v) = VT_BSTR;
olestring = php_com_string_to_olestring(Z_STRVAL_P(z), Z_STRLEN_P(z), codepage);
if (CP_UTF8 == codepage) {
V_BSTR(v) = SysAllocStringByteLen((char*)olestring, (UINT)(wcslen(olestring) * sizeof(OLECHAR)));
} else {
V_BSTR(v) = SysAllocStringByteLen((char*)olestring, (UINT)(Z_STRLEN_P(z) * sizeof(OLECHAR)));
}
efree(olestring);
break;
case IS_RESOURCE:
case IS_CONSTANT_AST:
default:
V_VT(v) = VT_NULL;
break;
}
}
static void variant_binary_operation(enum variant_binary_opcode op, INTERNAL_FUNCTION_PARAMETERS) /* {{{ */
{
VARIANT vres;
VARIANT left_val, right_val;
VARIANT *vleft = NULL, *vright = NULL;
zval *zleft = NULL, *zright = NULL;
php_com_dotnet_object *obj;
HRESULT result;
int codepage = CP_ACP;
VariantInit(&left_val);
VariantInit(&right_val);
VariantInit(&vres);
if (SUCCESS == zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET,
ZEND_NUM_ARGS(), "OO", &zleft, php_com_variant_class_entry,
&zright, php_com_variant_class_entry)) {
obj = CDNO_FETCH(zleft);
vleft = &obj->v;
obj = CDNO_FETCH(zright);
vright = &obj->v;
} else if (SUCCESS == zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET,
ZEND_NUM_ARGS(), "Oz!", &zleft, php_com_variant_class_entry,
&zright)) {
obj = CDNO_FETCH(zleft);
vleft = &obj->v;
vright = &right_val;
php_com_variant_from_zval(vright, zright, codepage);
} else if (SUCCESS == zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET,
ZEND_NUM_ARGS(), "z!O", &zleft, &zright, php_com_variant_class_entry)) {
obj = CDNO_FETCH(zright);
vright = &obj->v;
vleft = &left_val;
php_com_variant_from_zval(vleft, zleft, codepage);
} else if (SUCCESS == zend_parse_parameters(ZEND_NUM_ARGS(),
"z!z!", &zleft, &zright)) {
vleft = &left_val;
php_com_variant_from_zval(vleft, zleft, codepage);
vright = &right_val;
php_com_variant_from_zval(vright, zright, codepage);
} else {
return;
}
switch (op) {
case VOP_ADD:
result = VarAdd(vleft, vright, &vres);
break;
case VOP_CAT:
result = VarCat(vleft, vright, &vres);
break;
case VOP_SUB:
result = VarSub(vleft, vright, &vres);
break;
case VOP_MUL:
result = VarMul(vleft, vright, &vres);
break;
case VOP_AND:
result = VarAnd(vleft, vright, &vres);
break;
case VOP_DIV:
result = VarDiv(vleft, vright, &vres);
break;
case VOP_EQV:
result = VarEqv(vleft, vright, &vres);
break;
case VOP_IDIV:
result = VarIdiv(vleft, vright, &vres);
break;
case VOP_IMP:
result = VarImp(vleft, vright, &vres);
break;
case VOP_MOD:
result = VarMod(vleft, vright, &vres);
break;
case VOP_OR:
result = VarOr(vleft, vright, &vres);
break;
case VOP_POW:
result = VarPow(vleft, vright, &vres);
break;
case VOP_XOR:
result = VarXor(vleft, vright, &vres);
break;
/*Let say it fails as no valid op has been given */
default:
result = E_INVALIDARG;
}
if (SUCCEEDED(result)) {
php_com_wrap_variant(return_value, &vres, codepage);
} else {
php_com_throw_exception(result, NULL);
}
VariantClear(&vres);
VariantClear(&left_val);
VariantClear(&right_val);
}
