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/* Copyright 2019 Ján Sučan <jan@jansucan.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "exception.h"
#include <cstdint>
#include <filesystem>
namespace Options
{
class Error : public DiffddError
{
public:
explicit Error(const std::string &message) : DiffddError(message) {}
};
const inline int DEFAULT_BUFFER_SIZE{4 * 1024 * 1024};
void printUsage();
class Create
{
friend class Parser;
public:
Create();
uint32_t getBufferSize() const;
std::filesystem::path getInFilePath() const;
std::filesystem::path getBaseFilePath() const;
std::filesystem::path getOutFilePath() const;
private:
uint32_t m_buffer_size;
std::filesystem::path m_in_file_path;
std::filesystem::path m_base_file_path;
std::filesystem::path m_out_file_path;
};
class Restore
{
friend class Parser;
public:
Restore();
uint32_t getBufferSize() const;
std::filesystem::path getDiffFilePath() const;
std::filesystem::path getOutFilePath() const;
private:
uint32_t m_buffer_size;
std::filesystem::path m_diff_file_path;
std::filesystem::path m_out_file_path;
};
class Parser
{
public:
static bool isHelp(int argc, char **argv);
static bool isVersion(int argc, char **argv);
static bool isCreate(int argc, char **argv);
static bool isRestore(int argc, char **argv);
static Create parseCreate(int argc, char **argv);
static Restore parseRestore(int argc, char **argv);
private:
static const size_t MAX_OPERATION_NAME_LENGTH{8};
static bool isOperation(int argc, char **argv,
std::string_view operationName);
static int parse_unsigned(const char *const arg, uint32_t *const value);
};
} // namespace Options
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