mirror of
https://github.com/MacPaw/XADMaster.git
synced 2025-08-28 19:13:49 +02:00
151 lines
4 KiB
Objective-C
151 lines
4 KiB
Objective-C
/*
|
|
* XADStringIconv.m
|
|
*
|
|
* Copyright (c) 2017-present, MacPaw Inc. All rights reserved.
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
|
* MA 02110-1301 USA
|
|
*/
|
|
/*
|
|
* This implementation does not really work much at all, because iconv is horrible. Use ICU instead.
|
|
*/
|
|
|
|
#import "XADString.h"
|
|
|
|
#import <iconv.h>
|
|
|
|
#define MaxEncodingNameLength 128
|
|
|
|
static void IconvNameForEncodingName(char *cstr,NSString *name);
|
|
|
|
@implementation XADString (PlatformSpecific)
|
|
|
|
+(NSString *)stringForData:(NSData *)data encodingName:(NSString *)encoding
|
|
{
|
|
char encbuf[MaxEncodingNameLength+1];
|
|
IconvNameForEncodingName(encbuf,encoding);
|
|
|
|
iconv_t ic=iconv_open("UCS-2-INTERNAL",encbuf);
|
|
if(ic==(iconv_t)(-1)) return nil;
|
|
|
|
char *inptr=(char *)[data bytes]; // iconv is horrible and doesn't declare its input as const.
|
|
size_t inlen=[data length];
|
|
|
|
uint16_t chars[1024];
|
|
NSMutableString *string=[NSMutableString string];
|
|
|
|
while(inlen)
|
|
{
|
|
char *outptr=(char *)&chars;
|
|
size_t outlen=sizeof(chars)/sizeof(*chars)-1;
|
|
if(iconv(ic,&inptr,&inlen,&outptr,&outlen)==-1)
|
|
{
|
|
if(errno!=E2BIG) return nil;
|
|
}
|
|
|
|
*(uint16_t *)outptr=0;
|
|
[string appendFormat:@"%S",chars];
|
|
}
|
|
|
|
return [NSString stringWithString:string];
|
|
}
|
|
|
|
+(NSData *)dataForString:(NSString *)string encodingName:(NSString *)encoding
|
|
{
|
|
char encbuf[MaxEncodingNameLength+1];
|
|
IconvNameForEncodingName(encbuf,encoding);
|
|
|
|
iconv_t ic=iconv_open(encbuf,"UCS-2-INTERNAL");
|
|
if(ic==(iconv_t)(-1)) return nil;
|
|
|
|
int numchars=[string length];
|
|
unichar chars[numchars];
|
|
[string getCharacters:chars range:NSMakeRange(0,numchars)];
|
|
char *inptr=(char *)chars;
|
|
size_t inlen=numchars*2;
|
|
|
|
char bytes[1024];
|
|
NSMutableData *data=[NSMutableData data];
|
|
|
|
while(inlen)
|
|
{
|
|
char *outptr=bytes;
|
|
size_t outlen=sizeof(bytes);
|
|
|
|
if(iconv(ic,&inptr,&inlen,&outptr,&outlen)==-1)
|
|
{
|
|
if(errno!=E2BIG) return nil;
|
|
}
|
|
|
|
[data appendBytes:bytes length:outptr-bytes];
|
|
}
|
|
|
|
return [NSData dataWithData:data];
|
|
}
|
|
|
|
+(NSArray *)availableEncodingNames
|
|
{
|
|
}
|
|
|
|
static void IconvNameForEncodingName(char *cstr,NSString *name)
|
|
{
|
|
static NSDictionary *replacementdictionary=nil;
|
|
if(!replacementdictionary) replacementdictionary=[[NSDictionary alloc] initWithObjectsAndKeys:
|
|
// Try to map normal names to weird iconv ones. Apparently these vary from implementation
|
|
// to implementation though and this will be all wrong anyway. Sheesh.
|
|
@"MACCENTRALEUROPE",@"x-mac-centraleurroman",
|
|
@"MACICELAND",@"x-mac-icelandic",
|
|
@"MACCROATIAN",@"x-mac-croatian",
|
|
@"MACROMANIA",@"x-mac-romanian",
|
|
@"MACCYRILLIC",@"x-mac-cyrillic",
|
|
@"MACUKRAINE",@"x-mac-ukrainian",
|
|
@"MACGREEK",@"x-mac-greek",
|
|
@"MACTURKISH",@"x-mac-turkish",
|
|
@"MACHEBREW",@"x-mac-hebrew",
|
|
@"MACARABIC",@"x-mac-arabic",
|
|
@"MACTHAI",@"x-mac-thai",
|
|
// Still unknown:
|
|
//x-mac-japanese
|
|
//x-mac-trad-chinese
|
|
//x-mac-korean
|
|
//x-mac-devanagari
|
|
//x-mac-gurmukhi
|
|
//x-mac-gujarati
|
|
//x-mac-simp-chinese
|
|
//x-mac-tibetan
|
|
//x-mac-symbol
|
|
//x-mac-dingbats
|
|
//x-mac-celtic
|
|
//x-mac-gaelic
|
|
//x-mac-farsi
|
|
//x-mac-inuit
|
|
//x-mac-roman-latin1
|
|
nil];
|
|
|
|
name=[name lowercaseString];
|
|
|
|
NSString *replacement=[replacementdictionary objectForKey:name];
|
|
if(replacement) name=replacement;
|
|
|
|
NSAutoreleasePool *pool=[NSAutoreleasePool new];
|
|
NSData *data=[name dataUsingEncoding:NSASCIIStringEncoding allowLossyConversion:YES];
|
|
int length=[data length];
|
|
if(length>MaxEncodingNameLength) length=MaxEncodingNameLength;
|
|
memcpy(cstr,[data bytes],length);
|
|
cstr[length]=0;
|
|
[pool release];
|
|
}
|
|
|
|
@end
|