MacFormat 1995 April/macformat-023.iso/Shareware City/Developers/NeoPersist 3.0.8 folder/NeoBench/Source/CNeoBenchApp.cp

Text File | 1994-10-13 | 4.6 KB | 212 lines | [TEXT/MMCC]

/*****
 * CNeoBenchApp.cp
 *
 *    Application methods for a typical application.
 *
 *  Copyright © 1992-1993 NeoLogic Systems.  All rights reserved.
 *
 *****/

#include "NeoTypes.h"
#include <stdlib.h>
#include <Timer.h>
#include "UDesktop.h"
#include "UMemoryMgr.h"
#include "UPowerTools.h"
#include "LGrowZone.h"
#include "LList.h"
#include "CNeoWindow.h"
#include CNeoMetaClassH
#include "CNeoBenchApp.h"
#include "CNeoBenchDoc.h"
#include CNeoDatabaseNativeH
#include "CFiller.h"

extern    OSType    gSignature;

int main(void)
{
    CNeoBenchApp *    app;

    InitializeHeap(4);
    ::InitializeToolbox();
    new LGrowZone(20000);

    app = new CNeoBenchApp();
    app->Run();
    delete app;

    return 0;
}

/***
 * CNeoBenchApp
 *
 *    Initialize the application. Your initialization method should
 *    at least call the inherited method. If your application class
 *    defines its own instance variables or global variables, this
 *    is a good place to initialize them.
 *
 ***/
CNeoBenchApp::CNeoBenchApp(void)
    : CNeoAppRoot(kNeoBenchSig, kNeoBenchFileType)
{
    long        index;
    long        delay    = 0;
    TMTask        timer;

    FFileType = kNeoBenchFileType;

    // Add CFiller class to the metaclass table
    new CNeoMetaClass(kFillerID, kNeoPersistID, kFillerName, CFiller::New);

    // Bound the default size of the NeoAccess object cache to be 3/4 of free memory
    CNeoPersist::FCacheSize = ((FreeMem() / 4) * 3);

    // Just to make sure that we get more random results.
    srand((unsigned int)clock());

    // measure Time Manager overhead
    timer.tmAddr        = NULL;
    timer.tmCount        = 0;
    timer.tmWakeUp        = 0;
    timer.tmReserved    = 0;

    for (index = 0; index < 100; index++) {
        InsTime((QElemPtr)&timer);
        PrimeTime((QElemPtr)&timer, k30MicroMinutes);
        RmvTime((QElemPtr)&timer);

        if (timer.tmCount > 0)
            // milliseconds
            delay += -(k30MicroMinutes + timer.tmCount * 1000);
        else
            // negated microseconds
            delay += -(k30MicroMinutes - timer.tmCount);
    }

    // compute average overhead
    gLoopOverhead = delay / 100;
}

CNeoBenchApp::~CNeoBenchApp(void)
{
}

/***
 * createDocument
 *
 *    The user chose New from the File menu.
 *    In this method, you need to create a document and send it
 *    a newFile message.
 *
 ***/
CNeoDoc    *CNeoBenchApp::createDocument(void)
{
    CNeoBenchDoc *    document = nil;

    NEOTRY {
        /**
         **    Create your document.
         **
         **/
        document = new CNeoBenchDoc(FALSE, TRUE, FALSE);
        NeoFailNil(document);
        document->SetSuperCommander(this);

        /**
         **    Send the document a NewFile() message.
         **    The document will open a window, and
         **    set up the heart of the application.
         **
         **/
        document->newDatabase();
    }
    NEOCATCH {
        /*
         * This exception handler gets executed if a failure occurred
         * anywhere within the scope of the TRY block above. Since
         * this indicates that a new doc could not be created, we
         * check if an object had been allocated and if it has, send
         * it a unrefer message. The exception will propagate up to
         * CSwitchboard's exception handler, which handles displaying
         * an error alert.
         */

        if (document) {
            delete document;
            document = nil;
        }
    }
    NEOENDTRY;

    return document;
}

/***
 * OpenDocument
 *
 *    The user chose Open… from the File menu.
 *    In this method you need to create a document
 *    and send it an OpenFile() message.
 *
 *    The macSFReply is a good SFReply record that contains
 *    the name and vRefNum of the file the user chose to
 *    open.
 *
 ***/

void CNeoBenchApp::OpenDocument(FSSpec *aSpec)
{
    Boolean            remote;
    CNeoBenchDoc *    document    = nil;

#ifdef qNeoShare
    remote = fOpeningRemote;
#else
    remote = FALSE;
#endif

    VOLATILE(document);

    NEOTRY {
        // Our parent will check to see if this is a document we have already opened.
        // If we find the file already open by the app, then fDocument will refer to it.
        // If the file is opened but not by this app, then the parent will signal a failure.
        inherited::OpenDocument(aSpec);
        if (fDocument)
            return;

        /**
         **    Create your document.
         **
         **/
        document = new CNeoBenchDoc(TRUE, FALSE, remote);
        NeoFailNil(document);
        document->SetSuperCommander(this);

        /**
         **    Send the document an OpenFile() message.
         **    The document will open a window, open
         **    the file specified in the macSFReply record,
         **    and display it in its window.
         **
         **/
        document->openFile(aSpec);
    }
    NEOCATCH {
        /*
         * This exception handler gets executed if a failure occurred
         * anywhere within the scope of the TRY block above. Since
         * this indicates that the document could not be opened, we
         * send it a unrefer message. The exception will propagate up to
         * CSwitchboard's exception handler, which handles displaying
         * an error alert.
         */
        if (document)
            delete document;
    }
    NEOENDTRY;
}