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/**
STShell+output
Copyright (c) 2002 Free Software Foundation
Written by: Stefan Urbanek <urbanek@host.sk>
Date: 2002 Jun 7
This file is part of the StepTalk project.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02111, USA.
*/
#import "STShell.h"
#import <StepTalk/StepTalk.h>
#import <Foundation/NSArray.h>
#import <Foundation/NSBundle.h>
#import <Foundation/NSDebug.h>
#import <Foundation/NSNotification.h>
#import <Foundation/NSException.h>
#import <Foundation/NSSet.h>
#import <Foundation/NSString.h>
#import <Foundation/NSValue.h>
#include <readline/readline.h>
@implementation STShell(STShellOutput)
- show:(id)anObject
{
printf("%s", [[anObject description] cString]);
return self;
}
- showLine:(id)anObject
{
[self show:anObject];
putchar('\n');
return nil;
}
- (void)showError:(NSString *)errString
{
fprintf(stderr, "%s\n\n", [errString cString]);
}
- showResult:(id)obj
{
const char *className = [NSStringFromClass([obj class]) cString];
int objIndex = [objectStack count] - 1;
int i;
if(obj)
{
if([obj isKindOfClass:[NSArray class]])
{
printf("(%i) %s\n", objIndex, className);
for(i = 0;i<[obj count]; i++)
{
printf("%i %s\n", i,
[self displayCStringForObject:[obj objectAtIndex:i]]);
}
}
else if([obj isKindOfClass:[NSSet class]])
{
printf("(%i) %s\n", objIndex, className);
obj = [[obj allObjects] sortedArrayUsingSelector:@selector(compare:)];
for(i = 0;i<[obj count]; i++)
{
printf("%s\n",
[self displayCStringForObject:[obj objectAtIndex:i]]);
}
}
else if([obj isKindOfClass:[NSDictionary class]])
{
NSString *key;
NSArray *keys;
printf("(%i) %s\n", objIndex, className);
keys = [[obj allKeys] sortedArrayUsingSelector:@selector(compare:)];
for(i = 0;i<[keys count]; i++)
{
key = [keys objectAtIndex:i];
printf("%s : %s\n",
[self displayCStringForObject:key],
[self displayCStringForObject:[obj objectForKey:key]]);
}
}
else
{
printf("(%i) %s\n", objIndex, [self displayCStringForObject:obj]);
}
}
return self;
}
- (char *)displayCStringForObject:(id)object
{
NSString *str = [object description];
if( [str length] > 60 )
{
str = [str substringToIndex:60];
str = [str stringByAppendingString:@"..."];
}
return [str cString];
}
- showException:(NSException *)exception
{
printf("Error (%s): %s\n",
[[exception name] cString],
[[exception reason] cString]);
return self;
}
- (id)listObjects
{
NSString *str;
int i;
id object;
printf("Objects\n");
for(i = 0; i < [objectStack count]; i++)
{
object = [objectStack objectAtIndex:i];
str = [object description];
if( [str length] > 60 )
{
str = [str substringToIndex:60];
str = [str stringByAppendingString:@"..."];
}
printf("%4i: '%s' (%s)\n", i,
[str cString],
[[[object class] description] cString]);
}
return nil;
}
@end
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