sogo/OpenChange/Codepages.m

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/* Codepages.m - this file is part of SOGo
*
* Copyright (C) 2014 Jesús García Sáez
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3, or (at your option)
* any later version.
*
* This file 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#import "Codepages.h"
#import <Foundation/NSArray.h>
@implementation Codepages
+ (NSDictionary *) getCodepagesTable
{
static NSDictionary *table = nil;
if (table == nil)
{
/* http://msdn.microsoft.com/en-us/library/dd317756%28v=vs.85%29.aspx */
table = [[NSDictionary dictionaryWithObjectsAndKeys:
[NSNumber numberWithInt: 37], @"IBM037",
[NSNumber numberWithInt: 437], @"IBM437",
[NSNumber numberWithInt: 500], @"IBM500",
[NSNumber numberWithInt: 708], @"ASMO-708",
[NSNumber numberWithInt: 720], @"DOS-720",
[NSNumber numberWithInt: 737], @"ibm737",
[NSNumber numberWithInt: 775], @"ibm775",
[NSNumber numberWithInt: 850], @"ibm850",
[NSNumber numberWithInt: 852], @"ibm852",
[NSNumber numberWithInt: 855], @"IBM855",
[NSNumber numberWithInt: 857], @"ibm857",
[NSNumber numberWithInt: 858], @"IBM00858",
[NSNumber numberWithInt: 860], @"IBM860",
[NSNumber numberWithInt: 861], @"ibm861",
[NSNumber numberWithInt: 862], @"DOS-862",
[NSNumber numberWithInt: 863], @"IBM863",
[NSNumber numberWithInt: 864], @"IBM864",
[NSNumber numberWithInt: 865], @"IBM865",
[NSNumber numberWithInt: 866], @"cp866",
[NSNumber numberWithInt: 869], @"ibm869",
[NSNumber numberWithInt: 870], @"IBM870",
[NSNumber numberWithInt: 874], @"windows-874",
[NSNumber numberWithInt: 875], @"cp875",
[NSNumber numberWithInt: 932], @"shift_jis",
[NSNumber numberWithInt: 936], @"gb2312",
[NSNumber numberWithInt: 949], @"ks_c_5601-1987",
[NSNumber numberWithInt: 950], @"big5",
[NSNumber numberWithInt: 1026], @"IBM1026",
[NSNumber numberWithInt: 1047], @"IBM01047",
[NSNumber numberWithInt: 1140], @"IBM01140",
[NSNumber numberWithInt: 1141], @"IBM01141",
[NSNumber numberWithInt: 1142], @"IBM01142",
[NSNumber numberWithInt: 1143], @"IBM01143",
[NSNumber numberWithInt: 1144], @"IBM01144",
[NSNumber numberWithInt: 1145], @"IBM01145",
[NSNumber numberWithInt: 1146], @"IBM01146",
[NSNumber numberWithInt: 1147], @"IBM01147",
[NSNumber numberWithInt: 1148], @"IBM01148",
[NSNumber numberWithInt: 1149], @"IBM01149",
[NSNumber numberWithInt: 1200], @"utf-16",
[NSNumber numberWithInt: 1201], @"unicodeFFFE",
[NSNumber numberWithInt: 1250], @"windows-1250",
[NSNumber numberWithInt: 1251], @"windows-1251",
[NSNumber numberWithInt: 1252], @"Windows-1252",
[NSNumber numberWithInt: 1253], @"windows-1253",
[NSNumber numberWithInt: 1254], @"windows-1254",
[NSNumber numberWithInt: 1255], @"windows-1255",
[NSNumber numberWithInt: 1256], @"windows-1256",
[NSNumber numberWithInt: 1257], @"windows-1257",
[NSNumber numberWithInt: 1258], @"windows-1258",
[NSNumber numberWithInt: 1361], @"Johab",
[NSNumber numberWithInt: 10000], @"macintosh",
[NSNumber numberWithInt: 10001], @"x-mac-japanese",
[NSNumber numberWithInt: 10002], @"x-mac-chinesetrad",
[NSNumber numberWithInt: 10003], @"x-mac-korean",
[NSNumber numberWithInt: 10004], @"x-mac-arabic",
[NSNumber numberWithInt: 10005], @"x-mac-hebrew",
[NSNumber numberWithInt: 10006], @"x-mac-greek",
[NSNumber numberWithInt: 10007], @"x-mac-cyrillic",
[NSNumber numberWithInt: 10008], @"x-mac-chinesesimp",
[NSNumber numberWithInt: 10010], @"x-mac-romanian",
[NSNumber numberWithInt: 10017], @"x-mac-ukrainian",
[NSNumber numberWithInt: 10021], @"x-mac-thai",
[NSNumber numberWithInt: 10029], @"x-mac-ce",
[NSNumber numberWithInt: 10079], @"x-mac-icelandic",
[NSNumber numberWithInt: 10081], @"x-mac-turkish",
[NSNumber numberWithInt: 10082], @"x-mac-croatian",
[NSNumber numberWithInt: 12000], @"utf-32",
[NSNumber numberWithInt: 12001], @"utf-32BE",
[NSNumber numberWithInt: 20000], @"x-Chinese-CNS",
[NSNumber numberWithInt: 20001], @"x-cp20001",
[NSNumber numberWithInt: 20002], @"x-Chinese-Eten",
[NSNumber numberWithInt: 20003], @"x-cp20003",
[NSNumber numberWithInt: 20004], @"x-cp20004",
[NSNumber numberWithInt: 20005], @"x-cp20005",
[NSNumber numberWithInt: 20105], @"x-IA5",
[NSNumber numberWithInt: 20106], @"x-IA5-German",
[NSNumber numberWithInt: 20107], @"x-IA5-Swedish",
[NSNumber numberWithInt: 20108], @"x-IA5-Norwegian",
[NSNumber numberWithInt: 20127], @"us-ascii",
[NSNumber numberWithInt: 20261], @"x-cp20261",
[NSNumber numberWithInt: 20269], @"x-cp20269",
[NSNumber numberWithInt: 20273], @"IBM273",
[NSNumber numberWithInt: 20277], @"IBM277",
[NSNumber numberWithInt: 20278], @"IBM278",
[NSNumber numberWithInt: 20280], @"IBM280",
[NSNumber numberWithInt: 20284], @"IBM284",
[NSNumber numberWithInt: 20285], @"IBM285",
[NSNumber numberWithInt: 20290], @"IBM290",
[NSNumber numberWithInt: 20297], @"IBM297",
[NSNumber numberWithInt: 20420], @"IBM420",
[NSNumber numberWithInt: 20423], @"IBM423",
[NSNumber numberWithInt: 20424], @"IBM424",
[NSNumber numberWithInt: 20833], @"x-EBCDIC-KoreanExtended",
[NSNumber numberWithInt: 20838], @"IBM-Thai",
[NSNumber numberWithInt: 20866], @"koi8-r",
[NSNumber numberWithInt: 20871], @"IBM871",
[NSNumber numberWithInt: 20880], @"IBM880",
[NSNumber numberWithInt: 20905], @"IBM905",
[NSNumber numberWithInt: 20924], @"IBM00924",
[NSNumber numberWithInt: 20932], @"EUC-JP",
[NSNumber numberWithInt: 20936], @"x-cp20936",
[NSNumber numberWithInt: 20949], @"x-cp20949",
[NSNumber numberWithInt: 21025], @"cp1025",
[NSNumber numberWithInt: 21866], @"koi8-u",
[NSNumber numberWithInt: 28591], @"iso-8859-1",
[NSNumber numberWithInt: 28592], @"iso-8859-2",
[NSNumber numberWithInt: 28593], @"iso-8859-3",
[NSNumber numberWithInt: 28594], @"iso-8859-4",
[NSNumber numberWithInt: 28595], @"iso-8859-5",
[NSNumber numberWithInt: 28596], @"iso-8859-6",
[NSNumber numberWithInt: 28597], @"iso-8859-7",
[NSNumber numberWithInt: 28598], @"iso-8859-8",
[NSNumber numberWithInt: 28599], @"iso-8859-9",
[NSNumber numberWithInt: 28603], @"iso-8859-13",
[NSNumber numberWithInt: 28605], @"iso-8859-15",
[NSNumber numberWithInt: 29001], @"x-Europa",
[NSNumber numberWithInt: 38598], @"iso-8859-8-i",
[NSNumber numberWithInt: 50220], @"iso-2022-jp",
[NSNumber numberWithInt: 50221], @"csISO2022JP",
[NSNumber numberWithInt: 50222], @"iso-2022-jp",
[NSNumber numberWithInt: 50225], @"iso-2022-kr",
[NSNumber numberWithInt: 50227], @"x-cp50227",
[NSNumber numberWithInt: 51932], @"euc-jp",
[NSNumber numberWithInt: 51936], @"EUC-CN",
[NSNumber numberWithInt: 51949], @"euc-kr",
[NSNumber numberWithInt: 52936], @"hz-gb-2312",
[NSNumber numberWithInt: 54936], @"GB18030",
[NSNumber numberWithInt: 57002], @"x-iscii-de",
[NSNumber numberWithInt: 57003], @"x-iscii-be",
[NSNumber numberWithInt: 57004], @"x-iscii-ta",
[NSNumber numberWithInt: 57005], @"x-iscii-te",
[NSNumber numberWithInt: 57006], @"x-iscii-as",
[NSNumber numberWithInt: 57007], @"x-iscii-or",
[NSNumber numberWithInt: 57008], @"x-iscii-ka",
[NSNumber numberWithInt: 57009], @"x-iscii-ma",
[NSNumber numberWithInt: 57010], @"x-iscii-gu",
[NSNumber numberWithInt: 57011], @"x-iscii-pa",
[NSNumber numberWithInt: 65000], @"utf-7",
[NSNumber numberWithInt: 65001], @"utf-8",
nil] retain];
}
return table;
}
+ (NSDictionary *) getReverseCodepagesTable
{
static NSDictionary *table = nil;
if (table == nil)
{
NSDictionary *codepages_table;
NSEnumerator *enumerator;
NSMutableArray *codepages, *names;
id key;
// Build reverse table: (NSNumber) codepage -> (NSString) encoding name
codepages_table = [self getCodepagesTable];
codepages = [NSMutableArray arrayWithCapacity: [codepages_table count]];
names = [NSMutableArray arrayWithCapacity: [codepages_table count]];
enumerator = [codepages_table keyEnumerator];
while ((key = [enumerator nextObject]))
{
[names addObject: key];
[codepages addObject: [codepages_table objectForKey: key]];
}
table = [[NSDictionary dictionaryWithObjects: names forKeys: codepages] retain];
}
return table;
}
+ (NSNumber *) getCodepageFromName: (NSString *) name
{
return [[self getCodepagesTable] objectForKey: name];
}
+ (NSString *) getNameFromCodepage: (NSNumber *) codepage
{
return [[self getReverseCodepagesTable] objectForKey: codepage];
}
@end