Dashboard.h

/*----------------------------------------------------------------------------*/
/* Copyright (c) FIRST 2008. All Rights Reserved.                             */
/* Open Source Software - may be modified and shared by FRC teams. The code   */
/* must be accompanied by the FIRST BSD license file in $(WIND_BASE)/WPILib.  */
/*----------------------------------------------------------------------------*/

#ifndef __DASHBOARD_H__
#define __DASHBOARD_H__

#include "DashboardBase.h"
#include "NetworkCommunication/FRCComm.h"
#include <stack>
#include <vector>
#include <vxWorks.h>

class Dashboard : public DashboardBase
{
public:
    explicit Dashboard(SEM_ID statusDataSemaphore);
    virtual ~Dashboard();

    enum Type {kI8, kI16, kI32, kU8, kU16, kU32, kFloat, kDouble, kBoolean, kString, kOther};
    enum ComplexType {kArray, kCluster};

    void AddI8(int8_t value);
    void AddI16(int16_t value);
    void AddI32(int32_t value);
    void AddU8(uint8_t value);
    void AddU16(uint16_t value);
    void AddU32(uint32_t value);
    void AddFloat(float value);
    void AddDouble(double value);
    void AddBoolean(bool value);
    void AddString(char* value);
    void AddString(char* value, int32_t length);

    void AddArray();
    void FinalizeArray();
    void AddCluster();
    void FinalizeCluster();

    void Printf(const char *writeFmt, ...);

    int32_t Finalize();
    void GetStatusBuffer(char** userStatusData, int32_t* userStatusDataSize);
    void Flush() {}
private:
    static const int32_t kMaxDashboardDataSize = USER_STATUS_DATA_SIZE - sizeof(uint32_t) * 3 - sizeof(uint8_t); // 13 bytes needed for 3 size parameters and the sequence number

    // Usage Guidelines...
    DISALLOW_COPY_AND_ASSIGN(Dashboard);

    bool ValidateAdd(int32_t size);
    void AddedElement(Type type);
    bool IsArrayRoot();

    char *m_userStatusData;
    int32_t m_userStatusDataSize;
    char *m_localBuffer;
    char *m_localPrintBuffer;
    char *m_packPtr;
    std::vector<Type> m_expectedArrayElementType;
    std::vector<int32_t> m_arrayElementCount;
    std::vector<int32_t*> m_arraySizePtr;
    std::stack<ComplexType> m_complexTypeStack;
    SEM_ID m_printSemaphore;
    SEM_ID m_statusDataSemaphore;
};

#endif