Method readRawVarint32

Core/CodedInputDataCrypt.cpp:180–214

}

int32_t CodedInputDataCrypt::readRawVarint32(bool discardPreData) {
    consumeBytes(10, discardPreData);

    int8_t tmp = this->readRawByte();
    if (tmp >= 0) {
        return tmp;
    }
    int32_t result = tmp & 0x7f;
    if ((tmp = this->readRawByte()) >= 0) {
        result |= tmp << 7;
    } else {
        result |= (tmp & 0x7f) << 7;
        if ((tmp = this->readRawByte()) >= 0) {
            result |= tmp << 14;
        } else {
            result |= (tmp & 0x7f) << 14;
            if ((tmp = this->readRawByte()) >= 0) {
                result |= tmp << 21;
            } else {
                result |= (tmp & 0x7f) << 21;
                result |= (tmp = this->readRawByte()) << 28;
                if (tmp < 0) {
                    // discard upper 32 bits
                    for (int i = 0; i < 5; i++) {
                        if (this->readRawByte() >= 0) {
                            return result;
                        }
                    }
                    throw invalid_argument("InvalidProtocolBuffer malformed varint32");
                }
            }
        }
    }
    return result;
}

int32_t CodedInputDataCrypt::readInt32() {
    return this->readRawVarint32();