TheRock/rocm-libraries/projects/hipblaslt/tensilelite/client/include/CSVStackFile.hpp

/*******************************************************************************
 *
 * MIT License
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 * Copyright (C) 2022 Advanced Micro Devices, Inc. All rights reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
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#pragma once

#include <fstream>
#include <memory>
#include <sstream>
#include <unordered_map>
#include <vector>

namespace TensileLite
{
    namespace Client
    {
        class CSVStackFile
        {
        public:
            CSVStackFile(std::string const& filename, std::string const& separator = ", ");
            CSVStackFile(std::ostream& stream, std::string const& separator = ", ");
            CSVStackFile(std::shared_ptr<std::ostream> stream, std::string const& separator = ", ");

            ~CSVStackFile();

            void setHeaderForKey(std::string const& key, std::string const& header);

            void setValueForKey(std::string const& key, std::string const& value);
            void setValueForKey(std::string const& key, double const& value);

            template <typename T>
            typename std::enable_if<!std::is_same<T, std::string>::value, void>::type
                setValueForKey(std::string const& key, T const& value)
            {
                std::ostringstream oss;
                oss << value;
                setValueForKey(key, oss.str());
            }

            std::string readValueFromKey(std::string const& key);

            void push();
            void pop();

            void writeCurrentRow();
            void readCurrentRow(std::unordered_map<std::string, std::string>& outMap);
            void clearCurrentRow();

        private:
            std::string escape(std::string const& value);
            std::string escapeQuote(std::string const& value);

            void writeRow(std::unordered_map<std::string, std::string> const& row);

            std::shared_ptr<std::ostream> m_stream;

            std::string m_separator;

            bool                                         m_firstRow = true;
            std::vector<std::string>                     m_keyOrder;
            std::unordered_map<std::string, std::string> m_headers;

            std::unordered_map<std::string, std::string> m_currentRow;

            std::vector<std::unordered_map<std::string, std::string>> m_stack;
        };
    } // namespace Client
} // namespace TensileLite