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/**CFile****************************************************************
FileName [extraUtilProgress.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [extra]
Synopsis [Progress bar.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - June 20, 2005.]
Revision [$Id: extraUtilProgress.c,v 1.0 2003/02/01 00:00:00 alanmi Exp $]
***********************************************************************/
#include "stdio.h"
#include "extra.h"
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
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 );
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis [Starts the progress bar.]
Description [The first parameter is the output stream (pFile), where
the progress is printed. The current printing position should be the
first one on the given line. The second parameters is the total
number of items that correspond to 100% position of the progress bar.]
SideEffects []
SeeAlso []
***********************************************************************/
ProgressBar * Extra_ProgressBarStart( FILE * pFile, int nItemsTotal )
{
ProgressBar * p;
p = ALLOC( ProgressBar, 1 );
memset( p, 0, sizeof(ProgressBar) );
p->pFile = pFile;
p->nItemsTotal = nItemsTotal;
p->posTotal = 78;
p->posCur = 1;
p->nItemsNext = (int)((float)p->nItemsTotal/p->posTotal)*(p->posCur+5)+2;
Extra_ProgressBarShow( p, NULL );
return p;
}
/**Function*************************************************************
Synopsis [Updates the progress bar.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Extra_ProgressBarUpdate_int( ProgressBar * p, int nItemsCur, char * pString )
{
if ( nItemsCur < p->nItemsNext )
return;
if ( nItemsCur > p->nItemsTotal )
nItemsCur = p->nItemsTotal;
p->posCur = (int)((float)nItemsCur * p->posTotal / p->nItemsTotal);
p->nItemsNext = (int)((float)p->nItemsTotal/p->posTotal)*(p->posCur+10)+1;
if ( p->posCur == 0 )
p->posCur = 1;
Extra_ProgressBarShow( p, pString );
}
/**Function*************************************************************
Synopsis [Stops the progress bar.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Extra_ProgressBarStop( ProgressBar * p )
{
Extra_ProgressBarClean( p );
FREE( p );
}
/**Function*************************************************************
Synopsis [Prints the progress bar of the given size.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Extra_ProgressBarShow( ProgressBar * p, char * pString )
{
int i;
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 );
}
/**Function*************************************************************
Synopsis [Cleans the progress bar before quitting.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Extra_ProgressBarClean( ProgressBar * p )
{
int i;
for ( i = 0; i <= p->posTotal; i++ )
fprintf( p->pFile, " " );
fprintf( p->pFile, "\r" );
fflush( stdout );
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
|
