blob: c7f0ce540c7cc342c72076c9f15ad1aeab6a9d89 [file] [log] [blame]
// Helper for converting SafeArray to array of objects.
package ole
import "unsafe"
type SafeArrayConversion struct {
Array *SafeArray
}
func (sac *SafeArrayConversion) ToStringArray() (strings []string) {
totalElements, _ := sac.TotalElements(0)
strings = make([]string, totalElements)
for i := int64(0); i < totalElements; i++ {
strings[int32(i)], _ = safeArrayGetElementString(sac.Array, i)
}
return
}
func (sac *SafeArrayConversion) ToByteArray() (bytes []byte) {
totalElements, _ := sac.TotalElements(0)
bytes = make([]byte, totalElements)
for i := int64(0); i < totalElements; i++ {
ptr, _ := safeArrayGetElement(sac.Array, i)
bytes[int32(i)] = *(*byte)(unsafe.Pointer(&ptr))
}
return
}
func (sac *SafeArrayConversion) GetType() (varType uint16, err error) {
return safeArrayGetVartype(sac.Array)
}
func (sac *SafeArrayConversion) GetDimensions() (dimensions *uint32, err error) {
return safeArrayGetDim(sac.Array)
}
func (sac *SafeArrayConversion) GetSize() (length *uint32, err error) {
return safeArrayGetElementSize(sac.Array)
}
func (sac *SafeArrayConversion) TotalElements(index uint32) (totalElements int64, err error) {
if index < 1 {
index = 1
}
// Get array bounds
var LowerBounds int64
var UpperBounds int64
LowerBounds, err = safeArrayGetLBound(sac.Array, index)
if err != nil {
return
}
UpperBounds, err = safeArrayGetUBound(sac.Array, index)
if err != nil {
return
}
totalElements = UpperBounds - LowerBounds + 1
return
}
// Release Safe Array memory
func (sac *SafeArrayConversion) Release() {
safeArrayDestroy(sac.Array)
}