func callbackArgBool(v *C.sqlite3_value) (reflect.Value, error) { if C.sqlite3_value_type(v) != C.SQLITE_INTEGER { return reflect.Value{}, fmt.Errorf("argument must be an INTEGER") } i := int64(C.sqlite3_value_int64(v)) val := false if i != 0 { val = true } return reflect.ValueOf(val), nil }
func callbackArgString(v *C.sqlite3_value) (reflect.Value, error) { switch C.sqlite3_value_type(v) { case C.SQLITE_BLOB: l := C.sqlite3_value_bytes(v) p := (*C.char)(C.sqlite3_value_blob(v)) return reflect.ValueOf(C.GoStringN(p, l)), nil case C.SQLITE_TEXT: c := (*C.char)(unsafe.Pointer(C.sqlite3_value_text(v))) return reflect.ValueOf(C.GoString(c)), nil default: return reflect.Value{}, fmt.Errorf("argument must be BLOB or TEXT") } }
func callbackArgGeneric(v *C.sqlite3_value) (reflect.Value, error) { switch C.sqlite3_value_type(v) { case C.SQLITE_INTEGER: return callbackArgInt64(v) case C.SQLITE_FLOAT: return callbackArgFloat64(v) case C.SQLITE_TEXT: return callbackArgString(v) case C.SQLITE_BLOB: return callbackArgBytes(v) case C.SQLITE_NULL: // Interpret NULL as a nil byte slice. var ret []byte return reflect.ValueOf(ret), nil default: panic("unreachable") } }
func callbackArgFloat64(v *C.sqlite3_value) (reflect.Value, error) { if C.sqlite3_value_type(v) != C.SQLITE_FLOAT { return reflect.Value{}, fmt.Errorf("argument must be a FLOAT") } return reflect.ValueOf(float64(C.sqlite3_value_double(v))), nil }
func callbackArgInt64(v *C.sqlite3_value) (reflect.Value, error) { if C.sqlite3_value_type(v) != C.SQLITE_INTEGER { return reflect.Value{}, fmt.Errorf("argument must be an INTEGER") } return reflect.ValueOf(int64(C.sqlite3_value_int64(v))), nil }