/*
* Copyright (c) 2008
* Jonathan Schleifer <js@webkeks.org>
*
* All rights reserved.
*
* This file is part of libobjfw. It may be distributed under the terms of the
* Q Public License 1.0, which can be found in the file LICENSE included in
* the packaging of this file.
*/
#import "config.h"
#import <stdlib.h>
#import <string.h>
#import <ctype.h>
#import "OFString.h"
#import "OFExceptions.h"
@implementation OFString
+ new
{
return [[self alloc] init];
}
+ newFromCString: (const char*)str
{
return [[self alloc] initFromCString: str];
}
- init
{
if ((self = [super init])) {
length = 0;
string = NULL;
}
return self;
}
- initFromCString: (const char*)str
{
if ((self = [super init])) {
if (str == NULL) {
length = 0;
string = NULL;
} else {
length = strlen(str);
string = [self getMemWithSize: length + 1];
memcpy(string, str, length + 1);
}
}
return self;
}
- (const char*)cString
{
return string;
}
- (size_t)length
{
return length;
}
- (OFString*)clone
{
return [OFString newFromCString: string];
}
- (OFString*)setTo: (OFString*)str
{
[self free];
return (self = [str clone]);
}
- (int)compareTo: (OFString*)str
{
return strcmp(string, [str cString]);
}
- append: (OFString*)str
{
return [self appendCString: [str cString]];
}
- appendCString: (const char*)str
{
char *newstr;
size_t newlen, strlength;
if (string == NULL)
return [self setTo: [OFString newFromCString: str]];
strlength = strlen(str);
newlen = length + strlength;
newstr = [self resizeMem: string
toSize: newlen + 1];
memcpy(newstr + length, str, strlength + 1);
length = newlen;
string = newstr;
return self;
}
- reverse
{
size_t i, j, len = length / 2;
for (i = 0, j = length - 1; i < len; i++, j--) {
string[i] ^= string[j];
string[j] ^= string[i];
string[i] ^= string[j];
}
return self;
}
- upper
{
size_t i = length;
while (i--)
string[i] = toupper(string[i]);
return self;
}
- lower
{
size_t i = length;
while (i--)
string[i] = tolower(string[i]);
return self;
}
@end