inline uint32_t BcsDeserializer::deserialize_uleb128_as_u32()

in serde-generate/runtime/cpp/bcs.hpp [94:114]

• 21 lines of code
• 6 McCabe index (conditional complexity)

inline uint32_t BcsDeserializer::deserialize_uleb128_as_u32() {
    uint64_t value = 0;
    for (int shift = 0; shift < 32; shift += 7) {
        auto byte = read_byte();
        auto digit = byte & 0x7F;
        value |= (uint64_t)digit << shift;
        if (value > std::numeric_limits<uint32_t>::max()) {
            throw serde::deserialization_error(
                "Overflow while parsing uleb128-encoded uint32 value");
        }
        if (digit == byte) {
            if (shift > 0 && digit == 0) {
                throw serde::deserialization_error(
                    "Invalid uleb128 number (unexpected zero digit)");
            }
            return (uint32_t)value;
        }
    }
    throw serde::deserialization_error(
        "Overflow while parsing uleb128-encoded uint32 value");
}