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//
// NSString+FetchNextLine.m
// MayaFTP
//
// Created by Uli Kusterer on Fri Aug 27 2004.
// Copyright (c) 2004 M. 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 "NSString+FetchNextLine.h"
@implementation NSMutableString (UKFetchNextLine)
-(NSString*) nextLine
{
NSRange range = [self rangeOfString: @"\n"];
NSString* firstline = nil;
if( range.location != NSNotFound && range.length != 0 )
{
firstline = [self substringToIndex: (range.location)];
[self deleteCharactersInRange: NSMakeRange(0,range.location +range.length)];
}
return firstline;
}
-(NSString*) nextFullLine
{
NSString* string = nil;
NSUInteger start = 0,
end = 0,
nextStart = 1;
NSRange range, oldRange, lineRange;
oldRange = NSMakeRange(0,0);
if( (nextStart+1) < [self length] )
{
range = NSMakeRange(nextStart, 1);
[self getLineStart: &start end:&nextStart contentsEnd:&end forRange:range];
lineRange = NSMakeRange( start, nextStart-start );
string = [self substringWithRange:lineRange];
if( [string characterAtIndex:([string length] -1)] != '\n'
&& [string characterAtIndex:([string length] -1)] != '\r' )
string = nil;
else
{
oldRange = lineRange;
lineRange.length--;
}
}
range = NSMakeRange( 0, oldRange.length +oldRange.location );
[self deleteCharactersInRange:range];
return string;
}
@end
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