decoder.h

PQDIF软件包(SDK,Software Development Kit),它能转换、生成并且显示PQDIF文件.对于开发电力系统的数据输出非常有用。

/*
**
**  File:       decoder.h
**
**  $NAME$
**              Class definition header for PQDM virtual base class
**              for PQDM file translator DLL, and its derived classes.
**  $PATHS$
**              General
**
**  $AUTHOR$
**              Wade Franklin
**              Copyright (C) 1992 by Electrotek Concepts, Inc.
**  $1$
*/

#ifndef _DECODER_H_
#define _DECODER_H_

#include <io.h>
#include "eventime.h"
#include "event.h"

//===========================================================================
//
//  CLASS CPQDMFileProcessor
//
//  Abstract base class from which we will derive two actual file processor
//  classes for PNDS disturbance files. One will process PNDS archives,
//  the other will process PNDS system directories.
//
//===========================================================================

typedef char SITEID[12];


class CPQDMFileProcessor : public CObject
{
public:
    
    virtual BOOL FoundDataSource(void) { return bFoundDataSource; };
    
    virtual const char FAR *GetDataSourcePath() { return szDataStorePath; };

    SITEID  *aszSite;
    int     nSite;
    CPQEvent  **apEvent;
    int     nEvent;

protected:

    //  
    //  Protected constructor makes this a pure base class.
    //

    CPQDMFileProcessor();
    
    BOOL    bFoundDataSource;       // The constructor will set to TRUE if successful.

    HANDLE  hDisturbanceFile;       // Will be allocated to hold each disturbance.

    char    szNodeID[14];           // Current node being processed
    char    szNodePath[_MAX_PATH];  // PNDS PQNode identifier.

    char    szDataStorePath[_MAX_PATH];  // Path to files (derived classes will look for
                                    // either archive or 'Actual' here).
                       
    CEventTime etStartTime;         // Start time of the data we want
    
    CEventTime etEndTime;           // End time of our desired time window.
    
    CEventTime etEventTime;         // Time of current event in same format.

    WORD    uEventType;             // Type of current event.
        
    // File types to process checking.
    BOOL bDoFileType[8];
    BOOL DoThisFileType(int iFileType) {return bDoFileType[iFileType];}

};


//========================================================================================
//
//  CLASS CPQNodePNDSProcessor
//
//  This one grabs PNDS disturbance files straight out of a PNDS database
//  directory tree.
//
//========================================================================================

class CPQNodePNDSProcessor : public CPQDMFileProcessor
{
public:

    CPQNodePNDSProcessor(const char *szDataPath);

    ~CPQNodePNDSProcessor();

    BOOL GetEventList(CEventTime etStart, CEventTime etEnd, char **aszNodeID, const int nNode, const WORD nMax, BOOL *abDo);

    BOOL GetSiteList(CString *astrAllowedNode, WORD nAllowedNode);
    int CountSites();
    CPQEvent *GetEventInfo(long fh);
    CPQEvent * GetEventData(char *szNode, char *szFile);
    BOOL GetEventData(int idx);
        
private:

    char szSearchPath[_MAX_PATH];
    
    struct _finddata_t ftFileInfo;    // Used to search PNDS directory for disturbance files.

    BOOL bFoundNext;             // Flag necessary because of how findfirst/findnext works.
    
};

#endif   // _DECODER_H_
/* $end$ */