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#include <string.h>
#include <Catalog.h>
#include <Locale.h>
#include <CharacterSet.h>
#include <Debug.h>
#include "character_sets.h"

#undef B_TRANSLATION_CONTEXT
#define B_TRANSLATION_CONTEXT "textencodings"

namespace BPrivate {

/**
 * These variables are used in defining the character_sets_by_id array below.
 * @see http://www.iana.org/assignments/character-sets
 * @see http://java.sun.com/j2se/1.5.0/docs/guide/intl/encoding.doc.html
 * @see http://www.openi18n.org/subgroups/sa/locnameguide/final/CodesetAliasTable.html
 **/

static const char * unicodeAliases[] = {
	// IANA aliases
	// java aliases
	"UTF8", "unicode-1-1-utf-8",
	NULL
};
static const BCharacterSet unicode(0,106, B_TRANSLATE("Unicode"),
	"UTF-8", "UTF-8",unicodeAliases);

static const char * isoLatin1aliases[] = {
	// IANA aliases
	"iso-ir-100", "ISO_8859-1", "ISO-8859-1", "latin1", "11", "IBM819", "CP819", "csISOLatin1",
	// java aliases
	"819", "IBM-819", "ISO8859_1", "8859_1", "ISO8859-1",
	NULL
};
static const BCharacterSet isoLatin1(1,4, B_TRANSLATE("ISO West European"),
	"ISO_8859-1:1987","ISO-8859-1",isoLatin1aliases);

static const char * isoLatin2aliases[] = {
	// IANA aliases
	"iso-ir-101", "ISO_8859-2", "ISO-8859-2", "latin2", "12", "csISOLatin2",
	// java aliases
	"iso8859_2", "8859_2", "ISO8859-2", "ibm912", "ibm-912", "cp912", "912",
	NULL
};
static const BCharacterSet isoLatin2(2,5, B_TRANSLATE("ISO East European"),
	"ISO_8859-2:1987","ISO-8859-2",isoLatin2aliases);

static const char * isoLatin3aliases[] = {
	// IANA aliases
	"iso-ir-109", "ISO_8859-3", "ISO-8859-3", "latin3", "13", "csISOLatin3",
	// java aliases
	"iso8859_3", "8859_3", "iso8859-3", "ibm913", "ibm-913", "cp913", "913",
	NULL
};
static const BCharacterSet isoLatin3(3,6, B_TRANSLATE("ISO South European"),
	"ISO_8859-3:1988","ISO-8859-3",isoLatin3aliases);

static const char * isoLatin4aliases[] = {
	// IANA aliases
	"iso-ir-110", "ISO_8859-4", "ISO-8859-4", "latin4", "14", "csISOLatin4",
	// java aliases
	"iso8859_4", "iso8859-4", "8859_4", "ibm914", "ibm-914", "cp914", "914",
	NULL
};
static const BCharacterSet isoLatin4(4,7, B_TRANSLATE("ISO North European"),
	"ISO_8859-4:1988","ISO-8859-4",isoLatin4aliases);

static const char * isoLatin5aliases[] = {
	// IANA aliases
	"iso-ir-144", "ISO_8859-5", "ISO-8859-5", "cyrillic", "csISOLatinCyrillic",
	// java aliases
	"iso8859_5", "8859_5", "ISO8859-5", "ibm915", "ibm-915", "cp915", "915",
	NULL
};
static const BCharacterSet isoLatin5(5,8, B_TRANSLATE("ISO Cyrillic"),
	"ISO_8859-5:1988","ISO-8859-5",isoLatin5aliases);

static const char * isoLatin6aliases[] = {
	// IANA aliases
	"iso-ir-127", "ISO_8859-6", "ISO-8859-6", "ECMA-114", "ASMO-708", "arabic", "csISOLatinArabic",
	// java aliases
	"iso8859_6", "8859_6", "ISO8859-6", "ibm1089", "ibm-1089", "cp1089", "1089",
	NULL
};
static const BCharacterSet isoLatin6(6,9, B_TRANSLATE("ISO Arabic"),
	"ISO_8859-6:1987","ISO-8859-6",isoLatin6aliases);

static const char * isoLatin7aliases[] = {
	// IANA aliases
	"iso-ir-126", "ISO_8859-7", "ISO-8859-7", "ELOT_928", "ECMA-118", "greek", "greek8", "csISOLatinGreek",
	// java aliases
	"iso8859_7", "8859_7", "iso8859-7", "sun_eu_greek", "ibm813", "ibm-813", "813", "cp813",
	NULL
};
static const BCharacterSet isoLatin7(7,10, B_TRANSLATE("ISO Greek"),
	"ISO_8859-7:1987","ISO-8859-7",isoLatin7aliases);

static const char * isoLatin8aliases[] = {
	// IANA aliases
	"iso-ir-138", "ISO_8859-8", "ISO-8859-8", "hebrew", "csISOLatinHebrew",
	// java aliases
	"iso8859_8", "8859_8", "ISO8859-8", "cp916", "916", "ibm916", "ibm-916",
	NULL
};
static const BCharacterSet isoLatin8(8,11, B_TRANSLATE("ISO Hebrew"),
	"ISO_8859-8:1988","ISO-8859-8",isoLatin8aliases);

static const char * isoLatin9aliases[] = {
	// IANA aliases
	"iso-ir-148", "ISO_8859-9", "ISO-8859-9", "latin5", "15", "csISOLatin5",
	// java aliases
	"iso8859_9", "8859_9", "ibm920", "ibm-920", "920", "cp920",
	NULL
};
const BCharacterSet isoLatin9(9,12, B_TRANSLATE("ISO Turkish"),
	"ISO_8859-9:1989","ISO-8859-9",isoLatin9aliases);

static const char * isoLatin10aliases[] = {
	// IANA aliases
	"iso-ir-157", "16", "ISO_8859-10:1992", "csISOLatin6", "latin6",
	// java aliases
	NULL
};
static const BCharacterSet isoLatin10(10,13, B_TRANSLATE("ISO Nordic"),
	"ISO-8859-10","ISO-8859-10",isoLatin10aliases);

static const char * macintoshAliases[] = {
	// IANA aliases
	"mac", "csMacintosh",
	// java aliases
	"MacRoman",
	// mail kit aliases
	"x-mac-roman",
	NULL
};
static const BCharacterSet macintosh(11,2027, B_TRANSLATE("Macintosh Roman"),
	"macintosh",NULL,macintoshAliases);

static const char * shiftJISaliases[] = {
	// IANA aliases
	"MS_Kanji", "csShiftJIS",
	// java aliases
	"sjis", "shift_jis", "shift-jis", "x-sjis",
	// mail kit aliases
	"shift_jisx0213",
	NULL
};
static const BCharacterSet shiftJIS(12,17, B_TRANSLATE("Japanese Shift JIS"),
	"Shift_JIS","Shift_JIS",shiftJISaliases);

static const char * EUCPackedJapaneseAliases[] = {
	// IANA aliases
	"EUC-JP", "csEUCPkdFmtJapanese",
	// java aliases
	"eucjis", "eucjp", "x-euc-jp", "x-eucjp",
	// mail kit aliases
	"euc-jisx0213",
	NULL
};
static const BCharacterSet packedJapanese(13,18, B_TRANSLATE("Japanese EUC"),
                                   "Extended_UNIX_Code_Packed_Format_for_Japanese","EUC-JP",
                                   EUCPackedJapaneseAliases);

static const char * iso2022jpAliases[] = {
	// IANA aliases
	"csISO2022JP",
	// java aliases
	"iso2022jp", "jis", "jis_encoding", "csjisencoding",
	NULL
};
static const BCharacterSet iso2022jp(14,39, B_TRANSLATE("Japanese JIS"),
	"ISO-2022-JP","ISO-2022-JP",iso2022jpAliases);

static const char * windows1252aliases[] = {
	// IANA aliases
	// java aliases
	"cp1252", "cp5348",
	NULL
};
static const BCharacterSet windows1252(15,2252, B_TRANSLATE("Windows Latin-1 "
	"(CP 1252)"),"windows-1252",NULL,windows1252aliases);

static const char * unicode2aliases[] = {
	// IANA aliases
	"csUnicode",
	// java aliases
	"UTF-16BE", "UTF_16BE", "X-UTF-16BE", "UnicodeBigUnmarked",
	NULL
};
static const BCharacterSet unicode2(16,1000, B_TRANSLATE("Unicode (UCS-2)"),
	"ISO-10646-UCS-2",NULL,unicode2aliases);

static const char * KOI8Raliases[] = {
	// IANA aliases
	"csKOI8R",
	// java aliases
	"koi8_r", "koi8", "cskoi8r",
	NULL
};
static const BCharacterSet KOI8R(17,2084, B_TRANSLATE("KOI8-R Cyrillic"),
	"KOI8-R","KOI8-R",KOI8Raliases);

static const char * windows1251aliases[] = {
	// IANA aliases
	// java aliases
	"cp1251", "cp5347", "ansi-1251",
	NULL
};
static const BCharacterSet windows1251(18,2251, B_TRANSLATE("Windows Cyrillic "
	"(CP 1251)"), "windows-1251",NULL,windows1251aliases);

static const char * IBM866aliases[] = {
	// IANA aliases
	"cp866", "866", "csIBM866",
	// java aliases
	"ibm-866",
	// mail kit aliases
	"dos-866",
	NULL
};
static const BCharacterSet IBM866(19,2086, B_TRANSLATE("DOS Cyrillic"),
	"IBM866","IBM866",IBM866aliases);

static const char * IBM437aliases[] = {
	// IANA aliases
	"cp437", "437", "csPC8CodePage437",
	// java aliases
	"ibm-437", "windows-437",
	// mail kit aliases
	"dos-437",
	NULL
};
static const BCharacterSet IBM437(20,2011, B_TRANSLATE("DOS Latin-US"),
	"IBM437","IBM437",IBM437aliases);

static const char * eucKRaliases[] = {
	// IANA aliases
	"csEUCKR",
	// java aliases
	"ksc5601", "euckr", "ks_c_5601-1987", "ksc5601-1987",
	"ksc5601_1987", "ksc_5601", "5601",
	NULL
};
static const BCharacterSet eucKR(21,38, B_TRANSLATE("EUC Korean"),
	"EUC-KR","EUC-KR",eucKRaliases);

static const char * iso13aliases[] = {
	// IANA aliases
	// java aliases
	"iso8859_13", "8859_13", "iso_8859-13", "ISO8859-13",
	NULL
};
static const BCharacterSet iso13(22,109, B_TRANSLATE("ISO Baltic"),
	"ISO-8859-13","ISO-8859-13",iso13aliases);

static const char * iso14aliases[] = {
	// IANA aliases
	"iso-ir-199", "ISO_8859-14:1998", "ISO_8859-14", "latin8", "iso-celtic", "l8",
	NULL
};
static const BCharacterSet iso14(23,110, B_TRANSLATE("ISO Celtic"),
	"ISO-8859-14","ISO-8859-14",iso14aliases);

static const char * iso15aliases[] = {
	// IANA aliases
	"ISO_8859-15", "Latin-9",
	// java aliases
	"8859_15", "ISO8859_15", "ISO8859-15", "IBM923", "IBM-923", "cp923", "923",
	"LATIN0", "LATIN9", "L9", "csISOlatin0", "csISOlatin9", "ISO8859_15_FDIS",
	NULL
};
static const BCharacterSet iso15(24,111, B_TRANSLATE("ISO Latin 9"),
	"ISO-8859-15","ISO-8859-15",iso15aliases);

// chinese character set testing

static const char * big5aliases[] = {
	// IANA aliases
	"csBig5",
	NULL
};
static const BCharacterSet big5(25,2026, B_TRANSLATE("Chinese Big5"),
	"Big5","Big5",big5aliases);

static const char * gb18030aliases[] = {
	// java aliases
	"gb18030-2000",
	// mail kit aliases
	"gb2312",
	"gbk",
	NULL
};
static const BCharacterSet gb18030(26,114, B_TRANSLATE("Chinese GB18030"),
	"GB18030",NULL,gb18030aliases);

static const char* kUTF16Aliases[] = {
	// IANA aliases
	"UTF-16",
	// java aliases
	"UTF-16BE", "X-UTF-16BE", "UnicodeBigUnmarked",
	NULL
};
static const BCharacterSet kUTF16(27, 1000, B_TRANSLATE("Unicode"), "UTF-16", "UTF-16",
	kUTF16Aliases);

static const char* kWindows1250Aliases[] = {
	// IANA aliases
	"cswindows1250",
	// java aliases
	"cp1250",
	"ms-ee",
	NULL
};
static const BCharacterSet kWindows1250(28, 2250, B_TRANSLATE("Windows Central "
	"European (CP 1250)"), "windows-1250", NULL, kWindows1250Aliases);

/**
 * The following initializes the global character set array.
 * It is organized by id for efficient retrieval using predefined constants in UTF8.h and Font.h.
 * Character sets are stored contiguously and may be efficiently iterated over.
 * To add a new character set, define the character set above -- remember to increment the id --
 * and then add &<charSetName> to the _end_ of the following list.  That's all.
 **/

const BCharacterSet * character_sets_by_id[] = {
	&unicode,
	&isoLatin1, &isoLatin2, &isoLatin3,	&isoLatin4,	&isoLatin5,
	&isoLatin6,	&isoLatin7, &isoLatin8, &isoLatin9, &isoLatin10,
	&macintosh,
	// R5 BFont encodings end here
	&shiftJIS, &packedJapanese, &iso2022jp,
	&windows1252, &unicode2, &KOI8R, &windows1251,
	&IBM866, &IBM437, &eucKR, &iso13, &iso14, &iso15,
	// R5 convert_to/from_utf8 encodings end here
	&big5,&gb18030,
	&kUTF16,
	&kWindows1250,
};
const uint32 character_sets_by_id_count = sizeof(character_sets_by_id)/sizeof(const BCharacterSet*);

/**
 * The following code initializes the global MIBenum array.
 * This sparsely populated array exists as an efficient way to access character sets by MIBenum.
 * The MIBenum array is automatically allocated, and initialized by the following class.
 * The following class should only be instantiated once, this is assured by using an assertion.
 * No changes are required to the following code to add a new character set.
 **/

const BCharacterSet ** character_sets_by_MIBenum;
uint32 maximum_valid_MIBenum;

static class MIBenumArrayInitializer {
public:
	MIBenumArrayInitializer() {
		DEBUG_ONLY(static int onlyOneTime = 0;)
		ASSERT_WITH_MESSAGE(onlyOneTime++ == 0,"MIBenumArrayInitializer should be instantiated only one time.");
		// analyzing character_sets_by_id
		uint32 max_MIBenum = 0;
		for (uint32 index = 0 ; index < character_sets_by_id_count ; index++ ) {
			if (max_MIBenum < character_sets_by_id[index]->GetMIBenum()) {
				max_MIBenum = character_sets_by_id[index]->GetMIBenum();
			}
		}
		// initializing extern variables
		character_sets_by_MIBenum = new const BCharacterSet*[max_MIBenum+2];
		maximum_valid_MIBenum = max_MIBenum;
		// initializing MIBenum array
		memset(character_sets_by_MIBenum,0,sizeof(BCharacterSet*)*(max_MIBenum+2));
		for (uint32 index2 = 0 ; index2 < character_sets_by_id_count ; index2++ ) {
			const BCharacterSet * charset = character_sets_by_id[index2];
			character_sets_by_MIBenum[charset->GetMIBenum()] = charset;
		}
	}
	~MIBenumArrayInitializer()
	{
		delete [] character_sets_by_MIBenum;
	}
} runTheInitializer;

}