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#pragma once
#include <experimental/filesystem>
#include <map>
#include <string>
#include <tuple>
#include <unordered_map>
#include <vector>
namespace phosphor
{
namespace network
{
namespace config
{
using Section = std::string;
using KeyValueMap = std::multimap<std::string, std::string>;
using ValueList = std::vector<std::string>;
namespace fs = std::experimental::filesystem;
enum class ReturnCode
{
SUCCESS = 0x0,
SECTION_NOT_FOUND = 0x1,
KEY_NOT_FOUND = 0x2,
};
class Parser
{
public:
Parser() = default;
/** @brief Constructor
* @param[in] fileName - Absolute path of the file which will be parsed.
*/
Parser(const fs::path& fileName);
/** @brief Get the values of the given key and section.
* @param[in] section - section name.
* @param[in] key - key to look for.
* @returns the tuple of return code and the
* values associated with the key.
*/
std::tuple<ReturnCode, ValueList> getValues(const std::string& section,
const std::string& key);
/** @brief Set the value of the given key and section.
* @param[in] section - section name.
* @param[in] key - key name.
* @param[in] value - value.
*/
void setValue(const std::string& section, const std::string& key,
const std::string& value);
/** @brief Set the file name and parse it.
* @param[in] fileName - Absolute path of the file.
*/
void setFile(const fs::path& fileName);
private:
/** @brief Parses the given file and fills the data.
* @param[in] stream - inputstream.
*/
void parse(std::istream& stream);
/** @brief Get all the key values of the given section.
* @param[in] section - section name.
* @returns the tuple of return code and the map of (key,value).
*/
std::tuple<ReturnCode, KeyValueMap> getSection(const std::string& section);
/** @brief checks that whether the value exist in the
* given section.
* @param[in] section - section name.
* @param[in] key - key name.
* @param[in] value - value.
* @returns true if exist otherwise false.
*/
bool isValueExist(const std::string& section, const std::string& key,
const std::string& value);
std::unordered_map<Section, KeyValueMap> sections;
fs::path filePath;
};
} // namespace config
} // namespace network
} // namespace phosphor
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