{
"big5" => "Big5",
"dec8" => nil,
"cp850" => "CP850",
"hp8" => nil,
"koi8r" => "KOI8-R",
"latin1" => "ISO-8859-1",
"latin2" => "ISO-8859-2",
"swe7" => nil,
"ascii" => "US-ASCII",
"ujis" => "eucJP-ms",
"sjis" => "Shift_JIS",
"hebrew" => "ISO-8859-8",
"tis620" => "TIS-620",
"euckr" => "EUC-KR",
"koi8u" => "KOI8-R",
"gb2312" => "GB2312",
"greek" => "ISO-8859-7",
"cp1250" => "Windows-1250",
"gbk" => "GBK",
"latin5" => "ISO-8859-9",
"armscii8" => nil,
"utf8" => "UTF-8",
"ucs2" => "UTF-16BE",
"cp866" => "IBM866",
"keybcs2" => nil,
"macce" => "macCentEuro",
"macroman" => "macRoman",
"cp852" => "CP852",
"latin7" => "ISO-8859-13",
"utf8mb4" => "UTF-8",
"cp1251" => "Windows-1251",
"utf16" => "UTF-16",
"cp1256" => "Windows-1256",
"cp1257" => "Windows-1257",
"utf32" => "UTF-32",
"binary" => "ASCII-8BIT",
"geostd8" => nil,
"cp932" => "Windows-31J",
"eucjpms" => "eucJP-ms",
"utf16le" => "UTF-16LE",
"gb18030" => "GB18030",
}.freeze
{
"big5" => CHARSET_BIG5_CHINESE_CI,
"cp850" => CHARSET_CP850_GENERAL_CI,
"koi8r" => CHARSET_KOI8R_GENERAL_CI,
"latin1" => CHARSET_LATIN1_GENERAL_CI,
"latin2" => CHARSET_LATIN2_GENERAL_CI,
"ascii" => CHARSET_ASCII_GENERAL_CI,
"ujis" => CHARSET_UJIS_JAPANESE_CI,
"sjis" => CHARSET_SJIS_JAPANESE_CI,
"hebrew" => CHARSET_HEBREW_GENERAL_CI,
"tis620" => CHARSET_TIS620_THAI_CI,
"euckr" => CHARSET_EUCKR_KOREAN_CI,
"koi8u" => CHARSET_KOI8U_GENERAL_CI,
"gb2312" => CHARSET_GB2312_CHINESE_CI,
"greek" => CHARSET_GREEK_GENERAL_CI,
"cp1250" => CHARSET_CP1250_GENERAL_CI,
"gbk" => CHARSET_GBK_CHINESE_CI,
"latin5" => CHARSET_LATIN5_TURKISH_CI,
"utf8" => CHARSET_UTF8_GENERAL_CI,
"ucs2" => CHARSET_UCS2_GENERAL_CI,
"cp866" => CHARSET_CP866_GENERAL_CI,
"cp932" => CHARSET_CP932_JAPANESE_CI,
"eucjpms" => CHARSET_EUCJPMS_JAPANESE_CI,
"utf16le" => CHARSET_UTF16_GENERAL_CI,
"gb18030" => CHARSET_GB18030_CHINESE_CI,
"macce" => CHARSET_MACCE_GENERAL_CI,
"macroman" => CHARSET_MACROMAN_GENERAL_CI,
"cp852" => CHARSET_CP852_GENERAL_CI,
"latin7" => CHARSET_LATIN7_GENERAL_CI,
"utf8mb4" => CHARSET_UTF8MB4_GENERAL_CI,
"cp1251" => CHARSET_CP1251_GENERAL_CI,
"utf16" => CHARSET_UTF16_GENERAL_CI,
"cp1256" => CHARSET_CP1256_GENERAL_CI,
"cp1257" => CHARSET_CP1257_GENERAL_CI,
"utf32" => CHARSET_UTF32_GENERAL_CI,
"binary" => CHARSET_BINARY,
}.freeze