File: //usr/local/rvm/gems/ruby-2.7.4/gems/ruby-mysql-2.11.0/lib/mysql/charset.rb
# coding: ascii-8bit
# Copyright (C) 2008-2012 TOMITA Masahiro
# mailto:tommy@tmtm.org
#
class Mysql
# @!attribute [r] number
# @private
# @!attribute [r] name
# @return [String] charset name
# @!attribute [r] csname
# @return [String] collation name
class Charset
# @private
# @param [Integer] number
# @param [String] name
# @param [String] csname
def initialize(number, name, csname)
@number, @name, @csname = number, name, csname
end
attr_reader :number, :name, :csname
# [[charset_number, charset_name, collation_name, default], ...]
# @private
CHARSETS = [
[ 1, "big5", "big5_chinese_ci", true ],
[ 2, "latin2", "latin2_czech_cs", false],
[ 3, "dec8", "dec8_swedish_ci", true ],
[ 4, "cp850", "cp850_general_ci", true ],
[ 5, "latin1", "latin1_german1_ci", false],
[ 6, "hp8", "hp8_english_ci", true ],
[ 7, "koi8r", "koi8r_general_ci", true ],
[ 8, "latin1", "latin1_swedish_ci", true ],
[ 9, "latin2", "latin2_general_ci", true ],
[ 10, "swe7", "swe7_swedish_ci", true ],
[ 11, "ascii", "ascii_general_ci", true ],
[ 12, "ujis", "ujis_japanese_ci", true ],
[ 13, "sjis", "sjis_japanese_ci", true ],
[ 14, "cp1251", "cp1251_bulgarian_ci", false],
[ 15, "latin1", "latin1_danish_ci", false],
[ 16, "hebrew", "hebrew_general_ci", true ],
[ 17, "filename", "filename", true ],
[ 18, "tis620", "tis620_thai_ci", true ],
[ 19, "euckr", "euckr_korean_ci", true ],
[ 20, "latin7", "latin7_estonian_cs", false],
[ 21, "latin2", "latin2_hungarian_ci", false],
[ 22, "koi8u", "koi8u_general_ci", true ],
[ 23, "cp1251", "cp1251_ukrainian_ci", false],
[ 24, "gb2312", "gb2312_chinese_ci", true ],
[ 25, "greek", "greek_general_ci", true ],
[ 26, "cp1250", "cp1250_general_ci", true ],
[ 27, "latin2", "latin2_croatian_ci", false],
[ 28, "gbk", "gbk_chinese_ci", true ],
[ 29, "cp1257", "cp1257_lithuanian_ci", false],
[ 30, "latin5", "latin5_turkish_ci", true ],
[ 31, "latin1", "latin1_german2_ci", false],
[ 32, "armscii8", "armscii8_general_ci", true ],
[ 33, "utf8", "utf8_general_ci", true ],
[ 33, "utf8mb3", "utf8mb3_general_ci", true ],
[ 34, "cp1250", "cp1250_czech_cs", false],
[ 35, "ucs2", "ucs2_general_ci", true ],
[ 36, "cp866", "cp866_general_ci", true ],
[ 37, "keybcs2", "keybcs2_general_ci", true ],
[ 38, "macce", "macce_general_ci", true ],
[ 39, "macroman", "macroman_general_ci", true ],
[ 40, "cp852", "cp852_general_ci", true ],
[ 41, "latin7", "latin7_general_ci", true ],
[ 42, "latin7", "latin7_general_cs", false],
[ 43, "macce", "macce_bin", false],
[ 44, "cp1250", "cp1250_croatian_ci", false],
[ 45, "utf8mb4", "utf8mb4_general_ci", false],
[ 46, "utf8mb4", "utf8mb4_bin", false],
[ 47, "latin1", "latin1_bin", false],
[ 48, "latin1", "latin1_general_ci", false],
[ 49, "latin1", "latin1_general_cs", false],
[ 50, "cp1251", "cp1251_bin", false],
[ 51, "cp1251", "cp1251_general_ci", true ],
[ 52, "cp1251", "cp1251_general_cs", false],
[ 53, "macroman", "macroman_bin", false],
[ 54, "utf16", "utf16_general_ci", true ],
[ 55, "utf16", "utf16_bin", false],
[ 56, "utf16le", "utf16le_general_ci", true ],
[ 57, "cp1256", "cp1256_general_ci", true ],
[ 58, "cp1257", "cp1257_bin", false],
[ 59, "cp1257", "cp1257_general_ci", true ],
[ 60, "utf32", "utf32_general_ci", true ],
[ 61, "utf32", "utf32_bin", false],
[ 62, "utf16le", "utf16le_bin", false],
[ 63, "binary", "binary", true ],
[ 64, "armscii8", "armscii8_bin", false],
[ 65, "ascii", "ascii_bin", false],
[ 66, "cp1250", "cp1250_bin", false],
[ 67, "cp1256", "cp1256_bin", false],
[ 68, "cp866", "cp866_bin", false],
[ 69, "dec8", "dec8_bin", false],
[ 70, "greek", "greek_bin", false],
[ 71, "hebrew", "hebrew_bin", false],
[ 72, "hp8", "hp8_bin", false],
[ 73, "keybcs2", "keybcs2_bin", false],
[ 74, "koi8r", "koi8r_bin", false],
[ 75, "koi8u", "koi8u_bin", false],
[ 76, "utf8", "utf8_tolower_ci", false],
[ 76, "utf8mb3", "utf8mb3_tolower_ci", false],
[ 77, "latin2", "latin2_bin", false],
[ 78, "latin5", "latin5_bin", false],
[ 79, "latin7", "latin7_bin", false],
[ 80, "cp850", "cp850_bin", false],
[ 81, "cp852", "cp852_bin", false],
[ 82, "swe7", "swe7_bin", false],
[ 83, "utf8", "utf8_bin", false],
[ 83, "utf8mb3", "utf8mb3_bin", false],
[ 84, "big5", "big5_bin", false],
[ 85, "euckr", "euckr_bin", false],
[ 86, "gb2312", "gb2312_bin", false],
[ 87, "gbk", "gbk_bin", false],
[ 88, "sjis", "sjis_bin", false],
[ 89, "tis620", "tis620_bin", false],
[ 90, "ucs2", "ucs2_bin", false],
[ 91, "ujis", "ujis_bin", false],
[ 92, "geostd8", "geostd8_general_ci", true ],
[ 93, "geostd8", "geostd8_bin", false],
[ 94, "latin1", "latin1_spanish_ci", false],
[ 95, "cp932", "cp932_japanese_ci", true ],
[ 96, "cp932", "cp932_bin", false],
[ 97, "eucjpms", "eucjpms_japanese_ci", true ],
[ 98, "eucjpms", "eucjpms_bin", false],
[ 99, "cp1250", "cp1250_polish_ci", false],
[101, "utf16", "utf16_unicode_ci", false],
[102, "utf16", "utf16_icelandic_ci", false],
[103, "utf16", "utf16_latvian_ci", false],
[104, "utf16", "utf16_romanian_ci", false],
[105, "utf16", "utf16_slovenian_ci", false],
[106, "utf16", "utf16_polish_ci", false],
[107, "utf16", "utf16_estonian_ci", false],
[108, "utf16", "utf16_spanish_ci", false],
[109, "utf16", "utf16_swedish_ci", false],
[110, "utf16", "utf16_turkish_ci", false],
[111, "utf16", "utf16_czech_ci", false],
[112, "utf16", "utf16_danish_ci", false],
[113, "utf16", "utf16_lithuanian_ci", false],
[114, "utf16", "utf16_slovak_ci", false],
[115, "utf16", "utf16_spanish2_ci", false],
[116, "utf16", "utf16_roman_ci", false],
[117, "utf16", "utf16_persian_ci", false],
[118, "utf16", "utf16_esperanto_ci", false],
[119, "utf16", "utf16_hungarian_ci", false],
[120, "utf16", "utf16_sinhala_ci", false],
[121, "utf16", "utf16_german2_ci", false],
[122, "utf16", "utf16_croatian_ci", false],
[123, "utf16", "utf16_unicode_520_ci", false],
[124, "utf16", "utf16_vietnamese_ci", false],
[128, "ucs2", "ucs2_unicode_ci", false],
[129, "ucs2", "ucs2_icelandic_ci", false],
[130, "ucs2", "ucs2_latvian_ci", false],
[131, "ucs2", "ucs2_romanian_ci", false],
[132, "ucs2", "ucs2_slovenian_ci", false],
[133, "ucs2", "ucs2_polish_ci", false],
[134, "ucs2", "ucs2_estonian_ci", false],
[135, "ucs2", "ucs2_spanish_ci", false],
[136, "ucs2", "ucs2_swedish_ci", false],
[137, "ucs2", "ucs2_turkish_ci", false],
[138, "ucs2", "ucs2_czech_ci", false],
[139, "ucs2", "ucs2_danish_ci", false],
[140, "ucs2", "ucs2_lithuanian_ci", false],
[141, "ucs2", "ucs2_slovak_ci", false],
[142, "ucs2", "ucs2_spanish2_ci", false],
[143, "ucs2", "ucs2_roman_ci", false],
[144, "ucs2", "ucs2_persian_ci", false],
[145, "ucs2", "ucs2_esperanto_ci", false],
[146, "ucs2", "ucs2_hungarian_ci", false],
[147, "ucs2", "ucs2_sinhala_ci", false],
[148, "ucs2", "ucs2_german2_ci", false],
[149, "ucs2", "ucs2_croatian_ci", false],
[150, "ucs2", "ucs2_unicode_520_ci", false],
[151, "ucs2", "ucs2_vietnamese_ci", false],
[159, "ucs2", "ucs2_general_mysql500_ci", false],
[160, "utf32", "utf32_unicode_ci", false],
[161, "utf32", "utf32_icelandic_ci", false],
[162, "utf32", "utf32_latvian_ci", false],
[163, "utf32", "utf32_romanian_ci", false],
[164, "utf32", "utf32_slovenian_ci", false],
[165, "utf32", "utf32_polish_ci", false],
[166, "utf32", "utf32_estonian_ci", false],
[167, "utf32", "utf32_spanish_ci", false],
[168, "utf32", "utf32_swedish_ci", false],
[169, "utf32", "utf32_turkish_ci", false],
[170, "utf32", "utf32_czech_ci", false],
[171, "utf32", "utf32_danish_ci", false],
[172, "utf32", "utf32_lithuanian_ci", false],
[173, "utf32", "utf32_slovak_ci", false],
[174, "utf32", "utf32_spanish2_ci", false],
[175, "utf32", "utf32_roman_ci", false],
[176, "utf32", "utf32_persian_ci", false],
[177, "utf32", "utf32_esperanto_ci", false],
[178, "utf32", "utf32_hungarian_ci", false],
[179, "utf32", "utf32_sinhala_ci", false],
[180, "utf32", "utf32_german2_ci", false],
[181, "utf32", "utf32_croatian_ci", false],
[182, "utf32", "utf32_unicode_520_ci", false],
[183, "utf32", "utf32_vietnamese_ci", false],
[192, "utf8", "utf8_unicode_ci", false],
[193, "utf8", "utf8_icelandic_ci", false],
[194, "utf8", "utf8_latvian_ci", false],
[195, "utf8", "utf8_romanian_ci", false],
[196, "utf8", "utf8_slovenian_ci", false],
[197, "utf8", "utf8_polish_ci", false],
[198, "utf8", "utf8_estonian_ci", false],
[199, "utf8", "utf8_spanish_ci", false],
[200, "utf8", "utf8_swedish_ci", false],
[201, "utf8", "utf8_turkish_ci", false],
[202, "utf8", "utf8_czech_ci", false],
[203, "utf8", "utf8_danish_ci", false],
[204, "utf8", "utf8_lithuanian_ci", false],
[205, "utf8", "utf8_slovak_ci", false],
[206, "utf8", "utf8_spanish2_ci", false],
[207, "utf8", "utf8_roman_ci", false],
[208, "utf8", "utf8_persian_ci", false],
[209, "utf8", "utf8_esperanto_ci", false],
[210, "utf8", "utf8_hungarian_ci", false],
[211, "utf8", "utf8_sinhala_ci", false],
[212, "utf8", "utf8_german2_ci", false],
[213, "utf8", "utf8_croatian_ci", false],
[214, "utf8", "utf8_unicode_520_ci", false],
[215, "utf8", "utf8_vietnamese_ci", false],
[223, "utf8", "utf8_general_mysql500_ci", false],
[192, "utf8mb3", "utf8mb3_unicode_ci", false],
[193, "utf8mb3", "utf8mb3_icelandic_ci", false],
[194, "utf8mb3", "utf8mb3_latvian_ci", false],
[195, "utf8mb3", "utf8mb3_romanian_ci", false],
[196, "utf8mb3", "utf8mb3_slovenian_ci", false],
[197, "utf8mb3", "utf8mb3_polish_ci", false],
[198, "utf8mb3", "utf8mb3_estonian_ci", false],
[199, "utf8mb3", "utf8mb3_spanish_ci", false],
[200, "utf8mb3", "utf8mb3_swedish_ci", false],
[201, "utf8mb3", "utf8mb3_turkish_ci", false],
[202, "utf8mb3", "utf8mb3_czech_ci", false],
[203, "utf8mb3", "utf8mb3_danish_ci", false],
[204, "utf8mb3", "utf8mb3_lithuanian_ci", false],
[205, "utf8mb3", "utf8mb3_slovak_ci", false],
[206, "utf8mb3", "utf8mb3_spanish2_ci", false],
[207, "utf8mb3", "utf8mb3_roman_ci", false],
[208, "utf8mb3", "utf8mb3_persian_ci", false],
[209, "utf8mb3", "utf8mb3_esperanto_ci", false],
[210, "utf8mb3", "utf8mb3_hungarian_ci", false],
[211, "utf8mb3", "utf8mb3_sinhala_ci", false],
[212, "utf8mb3", "utf8mb3_german2_ci", false],
[213, "utf8mb3", "utf8mb3_croatian_ci", false],
[214, "utf8mb3", "utf8mb3_unicode_520_ci", false],
[215, "utf8mb3", "utf8mb3_vietnamese_ci", false],
[223, "utf8mb3", "utf8mb3_general_mysql500_ci", false],
[224, "utf8mb4", "utf8mb4_unicode_ci", false],
[225, "utf8mb4", "utf8mb4_icelandic_ci", false],
[226, "utf8mb4", "utf8mb4_latvian_ci", false],
[227, "utf8mb4", "utf8mb4_romanian_ci", false],
[228, "utf8mb4", "utf8mb4_slovenian_ci", false],
[229, "utf8mb4", "utf8mb4_polish_ci", false],
[230, "utf8mb4", "utf8mb4_estonian_ci", false],
[231, "utf8mb4", "utf8mb4_spanish_ci", false],
[232, "utf8mb4", "utf8mb4_swedish_ci", false],
[233, "utf8mb4", "utf8mb4_turkish_ci", false],
[234, "utf8mb4", "utf8mb4_czech_ci", false],
[235, "utf8mb4", "utf8mb4_danish_ci", false],
[236, "utf8mb4", "utf8mb4_lithuanian_ci", false],
[237, "utf8mb4", "utf8mb4_slovak_ci", false],
[238, "utf8mb4", "utf8mb4_spanish2_ci", false],
[239, "utf8mb4", "utf8mb4_roman_ci", false],
[240, "utf8mb4", "utf8mb4_persian_ci", false],
[241, "utf8mb4", "utf8mb4_esperanto_ci", false],
[242, "utf8mb4", "utf8mb4_hungarian_ci", false],
[243, "utf8mb4", "utf8mb4_sinhala_ci", false],
[244, "utf8mb4", "utf8mb4_german2_ci", false],
[245, "utf8mb4", "utf8mb4_croatian_ci", false],
[246, "utf8mb4", "utf8mb4_unicode_520_ci", false],
[247, "utf8mb4", "utf8mb4_vietnamese_ci", false],
[248, "gb18030", "gb18030_chinese_ci", true ],
[249, "gb18030", "gb18030_bin", false],
[250, "gb18030", "gb18030_unicode_520_ci", false],
[254, "utf8", "utf8mb3_general_cs", false],
[254, "utf8mb3", "utf8mb3_general_cs", false],
[255, "utf8mb4", "utf8mb4_0900_ai_ci", true ],
[256, "utf8mb4", "utf8mb4_de_pb_0900_ai_ci", false],
[257, "utf8mb4", "utf8mb4_is_0900_ai_ci", false],
[258, "utf8mb4", "utf8mb4_lv_0900_ai_ci", false],
[259, "utf8mb4", "utf8mb4_ro_0900_ai_ci", false],
[260, "utf8mb4", "utf8mb4_sl_0900_ai_ci", false],
[261, "utf8mb4", "utf8mb4_pl_0900_ai_ci", false],
[262, "utf8mb4", "utf8mb4_et_0900_ai_ci", false],
[263, "utf8mb4", "utf8mb4_es_0900_ai_ci", false],
[264, "utf8mb4", "utf8mb4_sv_0900_ai_ci", false],
[265, "utf8mb4", "utf8mb4_tr_0900_ai_ci", false],
[266, "utf8mb4", "utf8mb4_cs_0900_ai_ci", false],
[267, "utf8mb4", "utf8mb4_da_0900_ai_ci", false],
[268, "utf8mb4", "utf8mb4_lt_0900_ai_ci", false],
[269, "utf8mb4", "utf8mb4_sk_0900_ai_ci", false],
[270, "utf8mb4", "utf8mb4_es_trad_0900_ai_ci", false],
[271, "utf8mb4", "utf8mb4_la_0900_ai_ci", false],
[273, "utf8mb4", "utf8mb4_eo_0900_ai_ci", false],
[274, "utf8mb4", "utf8mb4_hu_0900_ai_ci", false],
[275, "utf8mb4", "utf8mb4_hr_0900_ai_ci", false],
[277, "utf8mb4", "utf8mb4_vi_0900_ai_ci", false],
[278, "utf8mb4", "utf8mb4_0900_as_cs", false],
[279, "utf8mb4", "utf8mb4_de_pb_0900_as_cs", false],
[280, "utf8mb4", "utf8mb4_is_0900_as_cs", false],
[281, "utf8mb4", "utf8mb4_lv_0900_as_cs", false],
[282, "utf8mb4", "utf8mb4_ro_0900_as_cs", false],
[283, "utf8mb4", "utf8mb4_sl_0900_as_cs", false],
[284, "utf8mb4", "utf8mb4_pl_0900_as_cs", false],
[285, "utf8mb4", "utf8mb4_et_0900_as_cs", false],
[286, "utf8mb4", "utf8mb4_es_0900_as_cs", false],
[287, "utf8mb4", "utf8mb4_sv_0900_as_cs", false],
[288, "utf8mb4", "utf8mb4_tr_0900_as_cs", false],
[289, "utf8mb4", "utf8mb4_cs_0900_as_cs", false],
[290, "utf8mb4", "utf8mb4_da_0900_as_cs", false],
[291, "utf8mb4", "utf8mb4_lt_0900_as_cs", false],
[292, "utf8mb4", "utf8mb4_sk_0900_as_cs", false],
[293, "utf8mb4", "utf8mb4_es_trad_0900_as_cs", false],
[294, "utf8mb4", "utf8mb4_la_0900_as_cs", false],
[296, "utf8mb4", "utf8mb4_eo_0900_as_cs", false],
[297, "utf8mb4", "utf8mb4_hu_0900_as_cs", false],
[298, "utf8mb4", "utf8mb4_hr_0900_as_cs", false],
[300, "utf8mb4", "utf8mb4_vi_0900_as_cs", false],
[303, "utf8mb4", "utf8mb4_ja_0900_as_cs", false],
[304, "utf8mb4", "utf8mb4_ja_0900_as_cs_ks", false],
[305, "utf8mb4", "utf8mb4_0900_as_ci", false],
[306, "utf8mb4", "utf8mb4_ru_0900_ai_ci", false],
[307, "utf8mb4", "utf8mb4_ru_0900_as_cs", false],
[308, "utf8mb4", "utf8mb4_zh_0900_as_cs", false],
[309, "utf8mb4", "utf8mb4_0900_bin", false],
]
# @private
NUMBER_TO_CHARSET = {}
# @private
COLLATION_TO_CHARSET = {}
# @private
CHARSET_DEFAULT = {}
CHARSETS.each do |number, csname, clname, default|
cs = Charset.new number, csname, clname
NUMBER_TO_CHARSET[number] = cs
COLLATION_TO_CHARSET[clname] = cs
CHARSET_DEFAULT[csname] = cs if default
end
# @private
BINARY_CHARSET_NUMBER = CHARSET_DEFAULT['binary'].number
# @private
# @param [Integer] n
# @return [Mysql::Charset]
def self.by_number(n)
raise ClientError, "unknown charset number: #{n}" unless NUMBER_TO_CHARSET.key? n
NUMBER_TO_CHARSET[n]
end
# @private
# @param [String] str
# @return [Mysql::Charset]
def self.by_name(str)
ret = COLLATION_TO_CHARSET[str] || CHARSET_DEFAULT[str]
raise ClientError, "unknown charset: #{str}" unless ret
ret
end
# @private
# MySQL Charset -> Ruby's Encoding
CHARSET_ENCODING = {
"armscii8" => nil,
"ascii" => Encoding::US_ASCII,
"big5" => Encoding::Big5,
"binary" => Encoding::ASCII_8BIT,
"cp1250" => Encoding::Windows_1250,
"cp1251" => Encoding::Windows_1251,
"cp1256" => Encoding::Windows_1256,
"cp1257" => Encoding::Windows_1257,
"cp850" => Encoding::CP850,
"cp852" => Encoding::CP852,
"cp866" => Encoding::IBM866,
"cp932" => Encoding::Windows_31J,
"dec8" => nil,
"eucjpms" => Encoding::EucJP_ms,
"euckr" => Encoding::EUC_KR,
"gb18030" => Encoding::GB18030,
"gb2312" => Encoding::EUC_CN,
"gbk" => Encoding::GBK,
"geostd8" => nil,
"greek" => Encoding::ISO_8859_7,
"hebrew" => Encoding::ISO_8859_8,
"hp8" => nil,
"keybcs2" => nil,
"koi8r" => Encoding::KOI8_R,
"koi8u" => Encoding::KOI8_U,
"latin1" => Encoding::ISO_8859_1,
"latin2" => Encoding::ISO_8859_2,
"latin5" => Encoding::ISO_8859_9,
"latin7" => Encoding::ISO_8859_13,
"macce" => Encoding::MacCentEuro,
"macroman" => Encoding::MacRoman,
"sjis" => Encoding::SHIFT_JIS,
"swe7" => nil,
"tis620" => Encoding::TIS_620,
"ucs2" => Encoding::UTF_16BE,
"ujis" => Encoding::EucJP_ms,
"utf16" => Encoding::UTF_16BE,
"utf16le" => Encoding::UTF_16LE,
"utf32" => Encoding::UTF_32BE,
"utf8" => Encoding::UTF_8,
"utf8mb3" => Encoding::UTF_8,
"utf8mb4" => Encoding::UTF_8,
}
# @private
# @param [String] value
# @return [String]
def self.to_binary(value)
value.force_encoding Encoding::ASCII_8BIT
end
# @private
# convert raw to encoding and convert to Encoding.default_internal
# @param [String] raw
# @param [Encoding] encoding
# @return [String] result
def self.convert_encoding(raw, encoding)
raw.force_encoding(encoding).encode
end
# @private
# retrun corresponding Ruby encoding
# @return [Encoding] encoding
def encoding
enc = CHARSET_ENCODING[@name.downcase]
raise Mysql::ClientError, "unsupported charset: #{@name}" unless enc
enc
end
# @private
# convert encoding to corrensponding to MySQL charset
# @param [String] value
# @return [String]
def convert(value)
if value.is_a? String and value.encoding != Encoding::ASCII_8BIT
value = value.encode encoding
end
value
end
end
end