src/misc/extra/extraUtilProgress.c

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#include <stdio.h>
#include "extra.h"


struct ProgressBarStruct
{
    int              nItemsNext;   // the number of items for the next update of the progress bar
    int              nItemsTotal;  // the total number of items
    int              posTotal;     // the total number of positions
    int              posCur;       // the current position
    FILE *           pFile;        // the output stream 
};

static void Extra_ProgressBarShow( ProgressBar * p, char * pString );
static void Extra_ProgressBarClean( ProgressBar * p );


ProgressBar * Extra_ProgressBarStart( FILE * pFile, int nItemsTotal )
{
    ProgressBar * p;
    extern int Abc_FrameShowProgress( void * p );
    extern void * Abc_FrameGetGlobalFrame();

    if ( !Abc_FrameShowProgress(Abc_FrameGetGlobalFrame()) ) return NULL;
    p = ALLOC( ProgressBar, 1 );
    memset( p, 0, sizeof(ProgressBar) );
    p->pFile       = pFile;
    p->nItemsTotal = nItemsTotal;
    p->posTotal    = 78;
    p->posCur      = 1;
    p->nItemsNext  = (int)((7.0+p->posCur)*p->nItemsTotal/p->posTotal);
    Extra_ProgressBarShow( p, NULL );
    return p;
}

void Extra_ProgressBarUpdate_int( ProgressBar * p, int nItemsCur, char * pString )
{
    if ( p == NULL ) return;
    if ( nItemsCur < p->nItemsNext )
        return;
    if ( nItemsCur >= p->nItemsTotal )
    {
        p->posCur = 78;
        p->nItemsNext = 0x7FFFFFFF;
    }
    else
    {
        p->posCur += 7;
        p->nItemsNext = (int)((7.0+p->posCur)*p->nItemsTotal/p->posTotal);
    }
    Extra_ProgressBarShow( p, pString );
}


void Extra_ProgressBarStop( ProgressBar * p )
{
    if ( p == NULL ) return;
    Extra_ProgressBarClean( p );
    FREE( p );
}

void Extra_ProgressBarShow( ProgressBar * p, char * pString )
{
    int i;
    if ( p == NULL ) return;
    if ( pString )
        fprintf( p->pFile, "%s ", pString );
    for ( i = (pString? strlen(pString) + 1 : 0); i < p->posCur; i++ )
        fprintf( p->pFile, "-" );
    if ( i == p->posCur )
        fprintf( p->pFile, ">" );
    for ( i++  ; i <= p->posTotal; i++ )
        fprintf( p->pFile, " " );
    fprintf( p->pFile, "\r" );
    fflush( stdout );
}

void Extra_ProgressBarClean( ProgressBar * p )
{
    int i;
    if ( p == NULL ) return;
    for ( i = 0; i <= p->posTotal; i++ )
        fprintf( p->pFile, " " );
    fprintf( p->pFile, "\r" );
    fflush( stdout );
}

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