KeyValueOutputBuilder.h

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#pragma once
#include "catapult/utils/HexFormatter.h"
#include <sstream>
#include <vector>
 
namespace catapult { namespace tools {
 
    class KeyValueOutputBuilder {
    public:
        void add(const std::string& key, const std::string& value);
 
        void add(const std::string& key, const std::vector<std::string>& values, const std::string& separator);
 
        template<size_t N>
        void add(const std::string& key, const std::array<uint8_t, N>& value) {
            std::ostringstream out;
            out << utils::HexFormat(value);
            add(key, out.str());
        }
 
        template<typename T>
        void add(const std::string& key, const T& value) {
            std::ostringstream out;
            out << value;
            add(key, out.str());
        }
 
    public:
        std::string str(const std::string& prefix) const;
 
    private:
        int maxKeySize() const;
 
    private:
        std::vector<std::pair<std::string, std::string>> m_keyValuePairs;
    };
 
    template<typename TValue>
    std::string Join(const std::vector<TValue>& values, const std::string& separator) {
        std::ostringstream out;
        for (auto i = 0u; i < values.size(); ++i) {
            out << values[i];
 
            if (values.size() != i + 1)
                out << separator;
        }
 
        return out.str();
    }
}}