cmd_parser.h

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#pragma once
 
#include <array>
#include <cstddef>
#include <cstdint>
 
#include "src/system/bsp/text_in.h"
 
namespace lampda {
namespace common {
namespace cli {
 
static constexpr size_t MaxStringArgumentLen = 32;
 
struct ParsedCommand
{
  static constexpr uint8_t maxArgumentCount = 8;
 
  bsp::text_in::Inputs::Command buffer {};
 
  uint8_t commandOffset = 0;
  std::array<uint8_t, maxArgumentCount> argumentOffsets {};
  uint8_t argumentCount = 0;
 
  const char* name() const;
 
  const char* argument(const size_t index) const;
 
  ParsedCommand shift_to_first_parameter() const;
};
 
namespace argument {
 
bool parse_uint8(const ParsedCommand& command, const size_t index, uint8_t& value);
 
bool parse_uint16(const ParsedCommand& command, const size_t index, uint16_t& value);
 
bool parse_text(const ParsedCommand& command, const size_t index, std::array<char, MaxStringArgumentLen>& value);
 
} // namespace argument
 
ParsedCommand parseCommand(const bsp::text_in::Inputs::Command& input);
 
} // namespace cli
} // namespace common
} // namespace lampda