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NSStream+ReadWriteLine.m
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NSStream+ReadWriteLine.m
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//
// NSStream+ReadWriteLine.m
// RSSToPOP
//
// Created by Uli Kusterer on 11.11.05.
// Copyright 2005 Uli Kusterer.
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would be
// appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not be
// misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
#import "NSStream+ReadWriteLine.h"
@implementation NSInputStream (UKReadWriteLine)
-(NSString*) readOneLine
{
uint8_t theChar = 0;
NSMutableString* str = [NSMutableString string];
BOOL hadCR = NO;
BOOL hadData = NO;
while( [self read: &theChar maxLength: 1] == 1 )
{
hadData = YES;
if( theChar == '\r' )
{
hadCR = YES;
continue;
}
else if( theChar == '\n' && hadCR )
break;
hadCR = NO;
[str appendFormat: @"%c", theChar];
NSLog( @"%@", str );
}
if( !hadData )
return nil;
else
return str;
}
@end
@implementation NSOutputStream (UKReadWriteLine)
-(void) writeOneLine: (NSString*)lineStr
{
NSData* dt = [lineStr dataUsingEncoding: NSASCIIStringEncoding];
[self write: [dt bytes] maxLength: [dt length]];
unsigned char* crlf = "\r\n";
[self write: crlf maxLength: 2];
}
@end