bar.c

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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
 
#include "misc/util/abc_global.h"
#include "base/main/main.h"
#include "bar.h"
 
ABC_NAMESPACE_IMPL_START
 

 
struct Bar_Progress_t_
{
    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 Bar_ProgressShow( Bar_Progress_t * p, char * pString );
static void Bar_ProgressClean( Bar_Progress_t * p );


Bar_Progress_t * Bar_ProgressStart( FILE * pFile, int nItemsTotal )
{
    Bar_Progress_t * p;
    Abc_Frame_t * pFrame;
    pFrame = Abc_FrameReadGlobalFrame();
    if ( pFrame == NULL )
        return NULL;
    if ( !Abc_FrameShowProgress(pFrame) ) return NULL;
    p = ABC_ALLOC( Bar_Progress_t, 1 );
    memset( p, 0, sizeof(Bar_Progress_t) );
    p->pFile       = pFile;
    p->nItemsTotal = nItemsTotal;
    p->posTotal    = 78;
    p->posCur      = 1;
    p->nItemsNext  = (int)((7.0+p->posCur)*p->nItemsTotal/p->posTotal);
    Bar_ProgressShow( p, NULL );
    return p;
}

void Bar_ProgressUpdate_int( Bar_Progress_t * 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);
    }
    Bar_ProgressShow( p, pString );
}
 

void Bar_ProgressStop( Bar_Progress_t * p )
{
    if ( p == NULL ) return;
    Bar_ProgressClean( p );
    ABC_FREE( p );
}

void Bar_ProgressShow( Bar_Progress_t * p, char * pString )
{
    int i;
    if ( p == NULL ) 
        return;
    if ( Abc_FrameIsBatchMode() )
        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 Bar_ProgressClean( Bar_Progress_t * p )
{
    int i;
    if ( p == NULL ) 
        return;
    if ( Abc_FrameIsBatchMode() )
        return;
    for ( i = 0; i <= p->posTotal; i++ )
        fprintf( p->pFile, " " );
    fprintf( p->pFile, "\r" );
    fflush( stdout );
}

 
 
ABC_NAMESPACE_IMPL_END