215 lines
11 KiB
Objective-C
215 lines
11 KiB
Objective-C
/* Codepages.m - this file is part of SOGo
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*
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* Copyright (C) 2014 Jesús García Sáez
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*
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* This file is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3, or (at your option)
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* any later version.
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*
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* This file is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#import "Codepages.h"
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#import <Foundation/NSArray.h>
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@implementation Codepages
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+ (NSDictionary *) getCodepagesTable
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{
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static NSDictionary *table = nil;
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if (table == nil)
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{
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/* http://msdn.microsoft.com/en-us/library/dd317756%28v=vs.85%29.aspx */
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table = [[NSDictionary dictionaryWithObjectsAndKeys:
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[NSNumber numberWithInt: 37], @"ibm037",
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[NSNumber numberWithInt: 437], @"ibm437",
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[NSNumber numberWithInt: 500], @"ibm500",
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[NSNumber numberWithInt: 708], @"asmo-708",
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[NSNumber numberWithInt: 720], @"dos-720",
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[NSNumber numberWithInt: 737], @"ibm737",
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[NSNumber numberWithInt: 775], @"ibm775",
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[NSNumber numberWithInt: 850], @"ibm850",
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[NSNumber numberWithInt: 852], @"ibm852",
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[NSNumber numberWithInt: 855], @"ibm855",
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[NSNumber numberWithInt: 857], @"ibm857",
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[NSNumber numberWithInt: 858], @"ibm00858",
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[NSNumber numberWithInt: 860], @"ibm860",
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[NSNumber numberWithInt: 861], @"ibm861",
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[NSNumber numberWithInt: 862], @"dos-862",
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[NSNumber numberWithInt: 863], @"ibm863",
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[NSNumber numberWithInt: 864], @"ibm864",
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[NSNumber numberWithInt: 865], @"ibm865",
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[NSNumber numberWithInt: 866], @"cp866",
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[NSNumber numberWithInt: 869], @"ibm869",
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[NSNumber numberWithInt: 870], @"ibm870",
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[NSNumber numberWithInt: 874], @"windows-874",
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[NSNumber numberWithInt: 875], @"cp875",
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[NSNumber numberWithInt: 932], @"shift_jis",
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[NSNumber numberWithInt: 936], @"gb2312",
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[NSNumber numberWithInt: 949], @"ks_c_5601-1987",
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[NSNumber numberWithInt: 950], @"big5",
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[NSNumber numberWithInt: 1026], @"ibm1026",
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[NSNumber numberWithInt: 1047], @"ibm01047",
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[NSNumber numberWithInt: 1140], @"ibm01140",
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[NSNumber numberWithInt: 1141], @"ibm01141",
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[NSNumber numberWithInt: 1142], @"ibm01142",
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[NSNumber numberWithInt: 1143], @"ibm01143",
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[NSNumber numberWithInt: 1144], @"ibm01144",
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[NSNumber numberWithInt: 1145], @"ibm01145",
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[NSNumber numberWithInt: 1146], @"ibm01146",
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[NSNumber numberWithInt: 1147], @"ibm01147",
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[NSNumber numberWithInt: 1148], @"ibm01148",
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[NSNumber numberWithInt: 1149], @"ibm01149",
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[NSNumber numberWithInt: 1200], @"utf-16",
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[NSNumber numberWithInt: 1201], @"unicodefffe",
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[NSNumber numberWithInt: 1250], @"windows-1250",
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[NSNumber numberWithInt: 1251], @"windows-1251",
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[NSNumber numberWithInt: 1252], @"windows-1252",
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[NSNumber numberWithInt: 1253], @"windows-1253",
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[NSNumber numberWithInt: 1254], @"windows-1254",
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[NSNumber numberWithInt: 1255], @"windows-1255",
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[NSNumber numberWithInt: 1256], @"windows-1256",
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[NSNumber numberWithInt: 1257], @"windows-1257",
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[NSNumber numberWithInt: 1258], @"windows-1258",
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[NSNumber numberWithInt: 1361], @"johab",
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[NSNumber numberWithInt: 10000], @"macintosh",
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[NSNumber numberWithInt: 10001], @"x-mac-japanese",
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[NSNumber numberWithInt: 10002], @"x-mac-chinesetrad",
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[NSNumber numberWithInt: 10003], @"x-mac-korean",
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[NSNumber numberWithInt: 10004], @"x-mac-arabic",
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[NSNumber numberWithInt: 10005], @"x-mac-hebrew",
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[NSNumber numberWithInt: 10006], @"x-mac-greek",
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[NSNumber numberWithInt: 10007], @"x-mac-cyrillic",
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[NSNumber numberWithInt: 10008], @"x-mac-chinesesimp",
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[NSNumber numberWithInt: 10010], @"x-mac-romanian",
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[NSNumber numberWithInt: 10017], @"x-mac-ukrainian",
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[NSNumber numberWithInt: 10021], @"x-mac-thai",
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[NSNumber numberWithInt: 10029], @"x-mac-ce",
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[NSNumber numberWithInt: 10079], @"x-mac-icelandic",
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[NSNumber numberWithInt: 10081], @"x-mac-turkish",
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[NSNumber numberWithInt: 10082], @"x-mac-croatian",
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[NSNumber numberWithInt: 12000], @"utf-32",
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[NSNumber numberWithInt: 12001], @"utf-32be",
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[NSNumber numberWithInt: 20000], @"x-chinese-cns",
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[NSNumber numberWithInt: 20001], @"x-cp20001",
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[NSNumber numberWithInt: 20002], @"x-chinese-eten",
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[NSNumber numberWithInt: 20003], @"x-cp20003",
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[NSNumber numberWithInt: 20004], @"x-cp20004",
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[NSNumber numberWithInt: 20005], @"x-cp20005",
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[NSNumber numberWithInt: 20105], @"x-ia5",
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[NSNumber numberWithInt: 20106], @"x-ia5-german",
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[NSNumber numberWithInt: 20107], @"x-ia5-swedish",
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[NSNumber numberWithInt: 20108], @"x-ia5-norwegian",
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[NSNumber numberWithInt: 20127], @"us-ascii",
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[NSNumber numberWithInt: 20261], @"x-cp20261",
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[NSNumber numberWithInt: 20269], @"x-cp20269",
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[NSNumber numberWithInt: 20273], @"ibm273",
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[NSNumber numberWithInt: 20277], @"ibm277",
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[NSNumber numberWithInt: 20278], @"ibm278",
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[NSNumber numberWithInt: 20280], @"ibm280",
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[NSNumber numberWithInt: 20284], @"ibm284",
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[NSNumber numberWithInt: 20285], @"ibm285",
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[NSNumber numberWithInt: 20290], @"ibm290",
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[NSNumber numberWithInt: 20297], @"ibm297",
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[NSNumber numberWithInt: 20420], @"ibm420",
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[NSNumber numberWithInt: 20423], @"ibm423",
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[NSNumber numberWithInt: 20424], @"ibm424",
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[NSNumber numberWithInt: 20833], @"x-ebcdic-koreanextended",
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[NSNumber numberWithInt: 20838], @"ibm-thai",
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[NSNumber numberWithInt: 20866], @"koi8-r",
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[NSNumber numberWithInt: 20871], @"ibm871",
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[NSNumber numberWithInt: 20880], @"ibm880",
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[NSNumber numberWithInt: 20905], @"ibm905",
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[NSNumber numberWithInt: 20924], @"ibm00924",
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[NSNumber numberWithInt: 20932], @"euc-jp",
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[NSNumber numberWithInt: 20936], @"x-cp20936",
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[NSNumber numberWithInt: 20949], @"x-cp20949",
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[NSNumber numberWithInt: 21025], @"cp1025",
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[NSNumber numberWithInt: 21866], @"koi8-u",
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[NSNumber numberWithInt: 28591], @"iso-8859-1",
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[NSNumber numberWithInt: 28592], @"iso-8859-2",
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[NSNumber numberWithInt: 28593], @"iso-8859-3",
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[NSNumber numberWithInt: 28594], @"iso-8859-4",
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[NSNumber numberWithInt: 28595], @"iso-8859-5",
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[NSNumber numberWithInt: 28596], @"iso-8859-6",
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[NSNumber numberWithInt: 28597], @"iso-8859-7",
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[NSNumber numberWithInt: 28598], @"iso-8859-8",
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[NSNumber numberWithInt: 28599], @"iso-8859-9",
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[NSNumber numberWithInt: 28603], @"iso-8859-13",
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[NSNumber numberWithInt: 28605], @"iso-8859-15",
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[NSNumber numberWithInt: 29001], @"x-europa",
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[NSNumber numberWithInt: 38598], @"iso-8859-8-i",
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[NSNumber numberWithInt: 50220], @"iso-2022-jp",
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[NSNumber numberWithInt: 50221], @"csiso2022jp",
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[NSNumber numberWithInt: 50222], @"iso-2022-jp",
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[NSNumber numberWithInt: 50225], @"iso-2022-kr",
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[NSNumber numberWithInt: 50227], @"x-cp50227",
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[NSNumber numberWithInt: 51932], @"euc-jp",
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[NSNumber numberWithInt: 51936], @"euc-cn",
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[NSNumber numberWithInt: 51949], @"euc-kr",
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[NSNumber numberWithInt: 52936], @"hz-gb-2312",
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[NSNumber numberWithInt: 54936], @"gb18030",
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[NSNumber numberWithInt: 57002], @"x-iscii-de",
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[NSNumber numberWithInt: 57003], @"x-iscii-be",
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[NSNumber numberWithInt: 57004], @"x-iscii-ta",
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[NSNumber numberWithInt: 57005], @"x-iscii-te",
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[NSNumber numberWithInt: 57006], @"x-iscii-as",
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[NSNumber numberWithInt: 57007], @"x-iscii-or",
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[NSNumber numberWithInt: 57008], @"x-iscii-ka",
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[NSNumber numberWithInt: 57009], @"x-iscii-ma",
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[NSNumber numberWithInt: 57010], @"x-iscii-gu",
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[NSNumber numberWithInt: 57011], @"x-iscii-pa",
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[NSNumber numberWithInt: 65000], @"utf-7",
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[NSNumber numberWithInt: 65001], @"utf-8",
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nil] retain];
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}
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return table;
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}
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+ (NSDictionary *) getReverseCodepagesTable
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{
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static NSDictionary *table = nil;
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if (table == nil)
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{
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NSDictionary *codepages_table;
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NSEnumerator *enumerator;
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NSMutableArray *codepages, *names;
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id key;
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// Build reverse table: (NSNumber) codepage -> (NSString) encoding name
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codepages_table = [self getCodepagesTable];
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codepages = [NSMutableArray arrayWithCapacity: [codepages_table count]];
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names = [NSMutableArray arrayWithCapacity: [codepages_table count]];
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enumerator = [codepages_table keyEnumerator];
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while ((key = [enumerator nextObject]))
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{
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[names addObject: key];
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[codepages addObject: [codepages_table objectForKey: key]];
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}
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table = [[NSDictionary dictionaryWithObjects: names forKeys: codepages] retain];
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}
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return table;
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}
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+ (NSNumber *) getCodepageFromName: (NSString *) name
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{
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return [[self getCodepagesTable] objectForKey: [name lowercaseString]];
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}
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+ (NSString *) getNameFromCodepage: (NSNumber *) codepage
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{
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return [[self getReverseCodepagesTable] objectForKey: codepage];
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}
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@end
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