bool MtpProperty::read(MtpDataPacket& packet) {
uint8_t temp8;
if (!packet.getUInt16(mCode)) return false;
bool deviceProp = isDeviceProperty();
if (!packet.getUInt16(mType)) return false;
if (!packet.getUInt8(temp8)) return false;
mWriteable = (temp8 == 1);
switch (mType) {
case MTP_TYPE_AINT8:
case MTP_TYPE_AUINT8:
case MTP_TYPE_AINT16:
case MTP_TYPE_AUINT16:
case MTP_TYPE_AINT32:
case MTP_TYPE_AUINT32:
case MTP_TYPE_AINT64:
case MTP_TYPE_AUINT64:
case MTP_TYPE_AINT128:
case MTP_TYPE_AUINT128:
mDefaultArrayValues = readArrayValues(packet, mDefaultArrayLength);
if (!mDefaultArrayValues) return false;
if (deviceProp) {
mCurrentArrayValues = readArrayValues(packet, mCurrentArrayLength);
if (!mCurrentArrayValues) return false;
}
break;
default:
if (!readValue(packet, mDefaultValue)) return false;
if (deviceProp) {
if (!readValue(packet, mCurrentValue)) return false;
}
}
if (!deviceProp) {
if (!packet.getUInt32(mGroupCode)) return false;
}
if (!packet.getUInt8(mFormFlag)) return false;
if (mFormFlag == kFormRange) {
if (!readValue(packet, mMinimumValue)) return false;
if (!readValue(packet, mMaximumValue)) return false;
if (!readValue(packet, mStepSize)) return false;
} else if (mFormFlag == kFormEnum) {
if (!packet.getUInt16(mEnumLength)) return false;
mEnumValues = new MtpPropertyValue[mEnumLength];
for (int i = 0; i < mEnumLength; i++) {
if (!readValue(packet, mEnumValues[i])) return false;
}
}
return true;
}
void MtpProperty::read(MtpDataPacket& packet) {
mCode = packet.getUInt16();
bool deviceProp = isDeviceProperty();
mType = packet.getUInt16();
mWriteable = (packet.getUInt8() == 1);
switch (mType) {
case MTP_TYPE_AINT8:
case MTP_TYPE_AUINT8:
case MTP_TYPE_AINT16:
case MTP_TYPE_AUINT16:
case MTP_TYPE_AINT32:
case MTP_TYPE_AUINT32:
case MTP_TYPE_AINT64:
case MTP_TYPE_AUINT64:
case MTP_TYPE_AINT128:
case MTP_TYPE_AUINT128:
mDefaultArrayValues = readArrayValues(packet, mDefaultArrayLength);
if (deviceProp)
mCurrentArrayValues = readArrayValues(packet, mCurrentArrayLength);
break;
default:
readValue(packet, mDefaultValue);
if (deviceProp)
readValue(packet, mCurrentValue);
}
if (!deviceProp)
mGroupCode = packet.getUInt32();
mFormFlag = packet.getUInt8();
if (mFormFlag == kFormRange) {
readValue(packet, mMinimumValue);
readValue(packet, mMaximumValue);
readValue(packet, mStepSize);
} else if (mFormFlag == kFormEnum) {
mEnumLength = packet.getUInt16();
mEnumValues = new MtpPropertyValue[mEnumLength];
for (int i = 0; i < mEnumLength; i++)
readValue(packet, mEnumValues[i]);
}
}
