apps/elftosb/common/DataTarget.h

/*
 * File:    DataTarget.h
 *
 * Copyright (c) Freescale Semiconductor, Inc. All rights reserved.
 * See included license file for license details.
 */
#if !defined(_DataTarget_h_)
#define _DataTarget_h_

#include "stdafx.h"
#include "DataSource.h"

namespace elftosb
{
// Forward declaration
class DataSource;

class DataTarget
{
public:
    struct AddressRange
    {
        uint32_t m_begin;
        uint32_t m_end;
    };

public:
    DataTarget()
        : m_source(0)
    {
    }

    virtual ~DataTarget() {}
    virtual bool isBounded() { return false; }
    virtual uint32_t getBeginAddress() { return 0; }
    virtual uint32_t getEndAddress() { return 0; }
    virtual DataTarget::AddressRange getRangeForSegment(DataSource &source, DataSource::Segment &segment) = 0;

    inline void setSource(DataSource *source) { m_source = source; }
    inline DataSource *getSource() const { return m_source; }
protected:
    DataSource *m_source; 
};

class ConstantDataTarget : public DataTarget
{
public:
    ConstantDataTarget(uint32_t start)
        : DataTarget()
        , m_begin(start)
        , m_end(0)
        , m_hasEnd(false)
    {
    }

    ConstantDataTarget(uint32_t start, uint32_t end)
        : DataTarget()
        , m_begin(start)
        , m_end(end)
        , m_hasEnd(true)
    {
    }

    virtual bool isBounded() { return m_hasEnd; }
    virtual uint32_t getBeginAddress() { return m_begin; }
    virtual uint32_t getEndAddress() { return m_end; }
    virtual DataTarget::AddressRange getRangeForSegment(DataSource &source, DataSource::Segment &segment);

protected:
    uint32_t m_begin; 
    uint32_t m_end;   
    bool m_hasEnd;    
};

class NaturalDataTarget : public DataTarget
{
public:
    NaturalDataTarget()
        : DataTarget()
    {
    }

    virtual bool isBounded() { return true; }
    virtual DataTarget::AddressRange getRangeForSegment(DataSource &source, DataSource::Segment &segment);
};

}; // namespace elftosb

#endif // _DataTarget_h_