(view source code of progressbar.cs as plain text)
using System;
using System.Collections.Generic;
using System.Threading;
namespace RobvanderWoude
{
internal class ProgressBar
{
static readonly string progver = "2.00";
static int Main( string[] args )
{
#region Initialize Variables
int currentvalue = 0;
bool currentset = false;
int minimumvalue = 0;
bool minimumset = false;
int maximumvalue = 100;
bool maximumset = false;
int parsedargs = 0;
ConsoleColor poscolor = ConsoleColor.Green;
bool poscolorset = false;
ConsoleColor negcolor = ConsoleColor.Green;
bool negcolorset = false;
bool linearscale = false;
bool writescale = true;
bool debug = false;
#if DEBUG
debug = true;
#endif
#endregion Initialize Variables
#region Parse Command Line
if ( args.Length == 0 )
{
return ShowHelp( );
}
foreach ( string arg in args )
{
if ( arg == "/?" )
{
return ShowHelp( );
}
if ( arg.ToUpper( ) == "/C" )
{
// /C should be the only argument
if ( args.Length != 1 )
{
return ShowHelp( );
}
// Display valid colors
Console.WriteLine( "Valid colors:" );
Console.WriteLine( "=============" );
foreach ( ConsoleColor color in Enum.GetValues( typeof( ConsoleColor ) ) )
{
Console.ForegroundColor = color;
// Prevent "invisible" text when foreground color equals background color
if ( Math.Abs( Console.ForegroundColor - Console.BackgroundColor ) < 2 )
{
Console.BackgroundColor = (ConsoleColor)( ( (int)color + 7 ) % 16 );
}
Console.Write( "{0,-13}", Enum.GetName( typeof( ConsoleColor ), color ) );
Console.ResetColor( );
Console.WriteLine( );
}
return 0;
}
else if ( arg.ToUpper( ) == "/D" )
{
debug = true;
parsedargs++;
}
else if ( arg.ToUpper( ) == "/L" )
{
linearscale = true;
parsedargs++;
}
else if ( arg.ToUpper( ) == "/NS" )
{
writescale = false;
parsedargs++;
}
else if ( int.TryParse( arg, out int test ) )
{
if ( !currentset ) // First numeric value is the mandatory current value
{
currentvalue = test;
currentset = true;
}
else if ( !minimumset ) // Second numeric value can be either the minimum or maximum value
{
minimumvalue = test;
minimumset = true;
}
else if ( !maximumset ) // Third numeric value must be the maximum value
{
maximumvalue = test;
maximumset = true;
}
else // No more numeric values allowed
{
return ShowHelp( "Invalid command line argument \"{0}\"", arg );
}
parsedargs++;
}
else
{
bool validcolor = false;
foreach ( ConsoleColor color in Enum.GetValues( typeof( ConsoleColor ) ) )
{
if ( arg.ToUpper( ) == Enum.GetName( typeof( ConsoleColor ), color ).ToUpper( ) )
{
if ( !poscolorset )
{
poscolor = color;
poscolorset = true;
validcolor = true;
parsedargs++;
}
else if ( !negcolorset )
{
negcolor = color;
negcolorset = true;
validcolor = true;
parsedargs++;
}
else
{
validcolor = false;
}
}
}
if ( !validcolor )
{
return ShowHelp( "Invalid color \"{0}\", use /C switch to show valid colors", arg );
}
}
}
#endregion Parse Command Line
#region Validate Command Line
if ( !maximumset )
{
if ( !minimumset )
{
maximumvalue = 100;
maximumset = false;
minimumvalue = 0;
minimumset = false;
}
else
{
maximumvalue = minimumvalue;
maximumset = true;
minimumvalue = 0;
minimumset = false;
}
}
if ( minimumvalue * maximumvalue >= 0 )
{
if ( negcolorset )
{
return ShowHelp( "Specify a second color only if minimum < 0 and maximum > 0" );
}
linearscale = true;
}
if ( currentvalue == maximumvalue + 1 )
{
currentvalue = maximumvalue;
}
else if ( currentvalue < minimumvalue || currentvalue > maximumvalue + 1 )
{
return ShowHelp( "Invalid current value \"{0}\"", currentvalue.ToString( ) );
}
if ( parsedargs != args.Length )
{
return ShowHelp( "Invalid command line, most likely caused by duplicate arguments" );
}
#endregion Validate Command Line
Console.ResetColor( );
#region Scale
if ( writescale )
{
string scale;
if ( minimumvalue < 0 && maximumvalue > 0 )
{
int zeropos = (int)Math.Floor( Console.WindowWidth * (double)-minimumvalue / ( maximumvalue - minimumvalue ) );
scale = string.Format( "{0}{1}0{2}{3}", minimumvalue, new string( ' ', zeropos - minimumvalue.ToString( ).Length ), new string( ' ', Console.WindowWidth - zeropos - minimumvalue.ToString( ).Length ), maximumvalue );
}
else
{
scale = string.Format( "{0}{1}{2}", minimumvalue, new string( ' ', Console.WindowWidth - minimumvalue.ToString( ).Length - maximumvalue.ToString( ).Length ), maximumvalue );
}
Console.ForegroundColor = poscolor;
Console.WriteLine( scale );
Console.ResetColor( );
if ( debug )
{
Thread.Sleep( 1000 );
}
}
#endregion Scale
// Move down 1 line and then return to the one above current one, to make sure we're not at the bottom line of the screen
Console.WriteLine( );
int linenumber = Console.CursorTop - 1;
Console.SetCursorPosition( 0, linenumber );
// Calculate progress bar length
double progress = Math.Min( 1F, ( currentvalue - (double)minimumvalue ) / ( maximumvalue - (double)minimumvalue ) );
int progressbarlength = (int)( progress * Console.WindowWidth );
// Display the calculated progress bar
if ( negcolorset )
{
if ( linearscale )
{
int negbarlength = (int)( -minimumvalue * Console.WindowWidth / ( maximumvalue - minimumvalue ) );
Console.BackgroundColor = negcolor;
Console.Write( new string( ' ', Math.Min( progressbarlength, negbarlength ) ) );
if ( progressbarlength > negbarlength )
{
Console.BackgroundColor = poscolor;
Console.Write( new string( ' ', progressbarlength - negbarlength ) );
}
// Erase remainder of line
Console.ResetColor( );
Console.Write( new string( ' ', Console.WindowWidth - progressbarlength ) );
}
else
{
if ( currentvalue == 0 )
{
Console.ResetColor( );
Console.Write( new string( ' ', Console.WindowWidth ) );
}
else
{
int neghalflength = (int)( -minimumvalue * Console.WindowWidth / ( maximumvalue - minimumvalue ) );
int poshalflength = Console.WindowWidth - neghalflength;
if ( currentvalue < 0 )
{
progress = (double)currentvalue / minimumvalue;
progressbarlength = (int)( progress * neghalflength );
Console.ResetColor( );
Console.Write( new string( ' ', neghalflength - progressbarlength ) );
Console.BackgroundColor = negcolor;
Console.Write( new string( ' ', progressbarlength ) );
// Erase remainder of line
Console.ResetColor( );
Console.Write( new string( ' ', poshalflength ) );
}
else
{
progress = (double)currentvalue / maximumvalue;
progressbarlength = (int)( progress * poshalflength );
Console.ResetColor( );
Console.Write( new string ( ' ', neghalflength ) );
Console.BackgroundColor = poscolor;
Console.Write( new String( ' ', progressbarlength ) );
Console.ResetColor( );
// Erase remainder of line
Console.ResetColor( );
Console.Write( new string( ' ', poshalflength - progressbarlength ) );
}
}
}
}
else
{
Console.BackgroundColor = poscolor;
string progressbar = new string( ' ', progressbarlength );
Console.Write( progressbar );
// Erase remainder of line
Console.ResetColor( );
Console.Write( new string( ' ', Console.WindowWidth - progressbarlength ) );
}
// Move the cursor back to the start of the line
Console.SetCursorPosition( 0, linenumber );
return 0;
}
static int ShowHelp( params string[] errmsg )
{
#region Error Message
if ( errmsg.Length > 0 )
{
List<string> errargs = new List<string>( errmsg );
errargs.RemoveAt( 0 );
Console.Error.WriteLine( );
Console.ForegroundColor = ConsoleColor.Red;
Console.Error.Write( "ERROR:\t" );
Console.ForegroundColor = ConsoleColor.White;
Console.Error.WriteLine( errmsg[0], errargs.ToArray( ) );
Console.ResetColor( );
}
#endregion Error Message
#region Help Text
/*
ProgressBar.exe, Version 2.00
Batch tool to display a progress bar
Usage: ProgressBar current [ options ]
or: ProgressBar /C
Where: current is the current value
Options: minimum is the minimum value (default: 0)
maximum is the maximum value (default: 100)
color is the progress bar color (default: Green)
2ndcolor is the "sub zero" color (default: Green)
/C list valid Colors (no other arguments allowed)
/L start progress bar at Left (default: start at 0)
/NS do Not show Scale above progress bar
Notes: /L means the progress bar starts at the minimum value, whereas
by default the progress bar starts at 0. If the range
minimum..maximum does not include 0, /L is assumed.
Return code -1 in case of (command line) errors, otherwise 0.
Written by Rob van der Woude
https://www.robvanderwoude.com
*/
#endregion Help Text
#region Display Help Text
Console.Error.WriteLine( );
Console.Error.WriteLine( "ProgressBar.exe, Version {0}", progver );
Console.Error.WriteLine( "Batch tool to display a progress bar" );
Console.Error.WriteLine( );
Console.Error.Write( "Usage: " );
Console.ForegroundColor = ConsoleColor.White;
Console.Error.WriteLine( "ProgressBar current [ options ]" );
Console.ResetColor( );
Console.Error.WriteLine( );
Console.Error.Write( "or: " );
Console.ForegroundColor = ConsoleColor.White;
Console.Error.WriteLine( "ProgressBar /C" );
Console.ResetColor( );
Console.Error.WriteLine( );
Console.Error.Write( "Where: " );
Console.ForegroundColor = ConsoleColor.White;
Console.Error.Write( "current" );
Console.ResetColor( );
Console.Error.WriteLine( " is the current value" );
Console.Error.WriteLine( );
Console.Error.Write( "Options: " );
Console.ForegroundColor = ConsoleColor.White;
Console.Error.Write( "minimum" );
Console.ResetColor( );
Console.Error.WriteLine( " is the minimum value (default: 0)" );
Console.ForegroundColor = ConsoleColor.White;
Console.Error.Write( " maximum" );
Console.ResetColor( );
Console.Error.WriteLine( " is the maximum value (default: 100)" );
Console.ForegroundColor = ConsoleColor.White;
Console.Error.Write( " color" );
Console.ResetColor( );
Console.Error.WriteLine( " is the progress bar color (default: Green)" );
Console.ForegroundColor = ConsoleColor.White;
Console.Error.Write( " 2ndcolor" );
Console.ResetColor( );
Console.Error.WriteLine( " is the \"sub zero\" color (default: Green)" );
Console.ForegroundColor = ConsoleColor.White;
Console.Error.Write( " /C" );
Console.ResetColor( );
Console.Error.WriteLine( " list valid Colors (no other arguments allowed)" );
Console.ForegroundColor = ConsoleColor.White;
Console.Error.Write( " /L" );
Console.ResetColor( );
Console.Error.WriteLine( " start progress bar at Left (default: start at 0)" );
Console.ForegroundColor = ConsoleColor.White;
Console.Error.Write( " /NS" );
Console.ResetColor( );
Console.Error.WriteLine( " do Not show Scale above progress bar" );
Console.Error.WriteLine( );
Console.Error.Write( "Notes: " );
Console.ForegroundColor = ConsoleColor.White;
Console.Error.Write( "/L" );
Console.ResetColor( );
Console.Error.Write( " means the progress bar starts at the " );
Console.ForegroundColor = ConsoleColor.White;
Console.Error.Write( "minimum" );
Console.ResetColor( );
Console.Error.WriteLine( " value, whereas" );
Console.Error.WriteLine( " by default the progress bar starts at 0. If the range" );
Console.ForegroundColor = ConsoleColor.White;
Console.Error.Write( " minimum..maximum" );
Console.ResetColor( );
Console.Error.Write( " does not include 0, " );
Console.ForegroundColor = ConsoleColor.White;
Console.Error.Write( "/L" );
Console.ResetColor( );
Console.Error.WriteLine( " is assumed." );
Console.Error.WriteLine( " Return code -1 in case of (command line) errors, otherwise 0." );
Console.Error.WriteLine( );
Console.Error.WriteLine( "Written by Rob van der Woude" );
Console.Error.WriteLine( "https://www.robvanderwoude.com" );
#endregion Display Help Text
return -1;
}
}
}
page last modified: 2024-04-16; loaded in 0.0148 seconds