tabulator.h

Go to the documentation of this file.

 
#ifndef SEMF_COMMUNICATION_ESH_TABULATOR_H_
#define SEMF_COMMUNICATION_ESH_TABULATOR_H_
 
#include <semf/communication/esh/command.h>
#include <semf/communication/esh/printer.h>
#include <semf/utils/core/lists/linkedlist.h>
#include <semf/utils/core/signals/signal.h>
#include <semf/utils/core/signals/slot.h>
#include <array>
#include <cstdlib>
#include <string_view>
 
namespace semf::esh
{
class Tabulator
{
public:
    enum class ErrorCode : uint8_t
    {
        Start_IsBusy = 0,
    };
    Tabulator(Printer& printer, const LinkedList<Command>& commands, char lineBuffer[], size_t lineBufferSize, std::string_view prompt);
    Tabulator(const Tabulator& other) = delete;
    virtual ~Tabulator() = default;
    void start(size_t charCount);
    bool isBusy() const;
    SEMF_SIGNAL(done, size_t);
    SEMF_SIGNAL(error, Error);
 
private:
    bool prefixMatch(std::string_view sub, std::string_view str) const;
    void searchMatches();
    void printCommandName();
    void continueSearch();
    void updatePrompt();
    void printCommand();
    void onDone();
    Printer& m_printer;
    const LinkedList<Command>& m_commands;
    char* const m_lineBuffer;
    const size_t m_lineBufferSize;
    const std::string_view kPrompt;
    LinkedList<Command>::ConstIterator m_current;
    LinkedList<Command>::ConstIterator m_lastMatch;
    bool m_busy = false;
    size_t m_charCount = 0;
    uint32_t m_matchCount = 0;
    SEMF_SLOT(m_printCommandNameSlot, Tabulator, *this, printCommandName);
    SEMF_SLOT(m_continueSearchSlot, Tabulator, *this, continueSearch);
    SEMF_SLOT(m_updatePromptSlot, Tabulator, *this, updatePrompt);
    SEMF_SLOT(m_printCommandSlot, Tabulator, *this, printCommand);
    SEMF_SLOT(m_onDoneSlot, Tabulator, *this, onDone);
    static constexpr Error::ClassID kSemfClassId = Error::ClassID::Tabulator;
};
}  // namespace semf::esh
#endif  // SEMF_COMMUNICATION_ESH_TABULATOR_H_