//
//  NSFileHandle+MulleOpenWithInfo.m
//  MulleScion
//
//  Created by Nat! on 05.11.13.
//  Copyright (c) 2013 Mulle kybernetiK. All rights reserved.
//
//  Redistribution and use in source and binary forms, with or without
//  modification, are permitted provided that the following conditions are met:
//
//  Redistributions of source code must retain the above copyright notice, this
//  list of conditions and the following disclaimer.
//
//  Redistributions in binary form must reproduce the above copyright notice,
//  this list of conditions and the following disclaimer in the documentation
//  and/or other materials provided with the distribution.
//
//  Neither the name of Mulle kybernetiK nor the names of its contributors
//  may be used to endorse or promote products derived from this software
//  without specific prior written permission.
//
//  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
//  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
//  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
//  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
//  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
//  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
//  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
//  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
//  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
//  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
//  POSSIBILITY OF SUCH DAMAGE.
//
#import "NSFileHandle+MulleOutputFileHandle.h"

@implementation NSFileHandle (MulleOutputFileHandle)

+ (NSFileHandle *) mulleOutputFileHandleWithFilename:(NSString *) outputName
                                            selector:(SEL) sel
{
   NSFileHandle   *stream;
   NSFileManager  *manager;
   
   if( [outputName isEqualToString:@"-"])
      return( [NSFileHandle performSelector:sel]);

   manager = [NSFileManager defaultManager];
   [manager createFileAtPath:outputName
                    contents:[NSData data]
                  attributes:nil];
   stream = [NSFileHandle fileHandleForWritingAtPath:outputName];
   if( ! stream)
      [manager createFileAtPath:outputName
                       contents:[NSData data]
                     attributes:nil];
   else
      [stream truncateFileAtOffset:0];
   
   stream = [NSFileHandle fileHandleForWritingAtPath:outputName];
   return( stream);
}


+ (NSFileHandle *) mulleOutputFileHandleWithFilename:(NSString *) outputName
{
   return( [self mulleOutputFileHandleWithFilename:outputName
                                          selector:@selector( fileHandleWithStandardOutput)]);
}


+ (NSFileHandle *) mulleErrorFileHandleWithFilename:(NSString *) outputName
{
   return( [self mulleOutputFileHandleWithFilename:outputName
                                          selector:@selector( fileHandleWithStandardError)]);
}

@end