Base32.h

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#pragma once
#include "catapult/types.h"
#include <string>
#include <vector>
 
namespace catapult { namespace utils {
 
    const uint32_t Base32_Decoded_Block_Size = 5;
    const uint32_t Base32_Encoded_Block_Size = 8;
 
    // region encode
 
    constexpr size_t GetEncodedDataSize(size_t decodedSize) {
        return decodedSize / Base32_Decoded_Block_Size * Base32_Encoded_Block_Size;
    }
 
    bool TryBase32Encode(const RawBuffer& data, const MutableRawString& encodedData);
 
    void Base32Encode(const RawBuffer& data, const MutableRawString& encodedData);
 
    std::string Base32Encode(const RawBuffer& data);
 
    // endregion
 
    // region decode
 
    constexpr size_t GetDecodedDataSize(size_t encodedSize) {
        return encodedSize / Base32_Encoded_Block_Size * Base32_Decoded_Block_Size;
    }
 
    bool TryBase32Decode(const RawString& encodedData, const MutableRawBuffer& data);
 
    void Base32Decode(const RawString& encodedData, const MutableRawBuffer& data);
 
    template<size_t N>
    std::array<uint8_t, N> Base32Decode(const RawString& encodedData) {
        std::array<uint8_t, N> data;
        Base32Decode(encodedData, data);
        return data;
    }
 
    // endregion
}}