6663b6c9
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projet complet av...
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#ifndef CODE_CONSOLE_STORE_H
#define CODE_CONSOLE_STORE_H
#include "console_line.h"
#include <stddef.h>
namespace Code {
class ConsoleStore {
public:
ConsoleStore();
void clear();
void startNewSession();
ConsoleLine lineAtIndex(int i) const;
int numberOfLines() const;
void pushCommand(const char * text, size_t length);
void pushResult(const char * text, size_t length);
void deleteLastLineIfEmpty();
int deleteCommandAndResultsAtIndex(int index);
private:
static constexpr char CurrentSessionCommandMarker = 0x01;
static constexpr char CurrentSessionResultMarker = 0x02;
static constexpr char PreviousSessionCommandMarker = 0x03;
static constexpr char PreviousSessionResultMarker = 0x04;
static constexpr int k_historySize = 1024;
static char makePrevious(char marker) {
if (marker == CurrentSessionCommandMarker || marker == CurrentSessionResultMarker) {
return marker + 0x02;
}
return marker;
}
void push(const char marker, const char * text, size_t length);
ConsoleLine::Type lineTypeForMarker(char marker) const;
int indexOfNullMarker() const;
void deleteLineAtIndex(int index);
void deleteFirstLine();
/* When there is no room left to store a new ConsoleLine, we have to delete
* old ConsoleLines. deleteFirstLine() deletes the first ConsoleLine of
* m_history and shifts the rest of the ConsoleLines towards the beginning of
* m_history. */
void deleteLastLine();
char m_history[k_historySize];
/* The m_history variable sequentially stores an array of ConsoleLine objects.
* Each ConsoleLine is stored as follow:
* - First, a char that says whether the ConsoleLine is a Command or a Result
* - Then, the text content of the ConsoleLine
* - Last but not least, a null byte.
* The buffer ends whenever the marker char is null. */
};
}
#endif
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