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Ruby中的GSM-7转换和septet编码库?

  •  2
  • itsme  · 技术社区  · 16 年前

    这里的背景是:通过网关和REST请求发送和接收SMS。

    我用libiconv找到了解决办法( http://mobiletidings.com/2009/07/06/gsm-7-encoding-gnu-libiconv/ )(或多或少有效,但由于某些缺陷,libiconv本身不接受)。

    我更喜欢一个纯Ruby的解决方案,很可能有一个用于转换的查找表和一个7-8位的编码器来处理生成的septet。

    谢谢,汤姆!

    1 回复  |  直到 16 年前
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  •  4
  •   Andy Rohr    15 年前

    我正在寻找完全相同的(转换UTF-8到GSM 03.38),但什么也没有找到。所以我写了一个小转换器:

    require 'iconv'
    
    class String
    
      GSM0338_MAP = [
        0x00, 0x0040, # COMMERCIAL AT
        0x01, 0x00A3, # POUND SIGN
        0x02, 0x0024, # DOLLAR SIGN
        0x03, 0x00A5, # YEN SIGN
        0x04, 0x00E8, # LATIN SMALL LETTER E WITH GRAVE
        0x05, 0x00E9, # LATIN SMALL LETTER E WITH ACUTE
        0x06, 0x00F9, # LATIN SMALL LETTER U WITH GRAVE
        0x07, 0x00EC, # LATIN SMALL LETTER I WITH GRAVE
        0x08, 0x00F2, # LATIN SMALL LETTER O WITH GRAVE
        0x09, 0x00E7, # LATIN SMALL LETTER C WITH CEDILLA
        0x0B, 0x00D8, # LATIN CAPITAL LETTER O WITH STROKE
        0x0C, 0x00F8, # LATIN SMALL LETTER O WITH STROKE
        0x0E, 0x00C5, # LATIN CAPITAL LETTER A WITH RING ABOVE
        0x0F, 0x00E5, # LATIN SMALL LETTER A WITH RING ABOVE
        0x11, 0x005F, # LOW LINE
        [0x1B, 0x14], 0x005E, # CIRCUMFLEX ACCENT
        [0x1B, 0x28], 0x007B, # LEFT CURLY BRACKET
        [0x1B, 0x29], 0x007D, # RIGHT CURLY BRACKET
        [0x1B, 0x2F], 0x005C, # REVERSE SOLIDUS
        [0x1B, 0x3C], 0x005B, # LEFT SQUARE BRACKET
        [0x1B, 0x3D], 0x007E, # TILDE
        [0x1B, 0x3E], 0x005D, # RIGHT SQUARE BRACKET
        [0x1B, 0x40], 0x007C, # VERTICAL LINE
        0x1C, 0x00C6, # LATIN CAPITAL LETTER AE
        0x1D, 0x00E6, # LATIN SMALL LETTER AE
        0x1E, 0x00DF, # LATIN SMALL LETTER SHARP S (German)
        0x1F, 0x00C9, # LATIN CAPITAL LETTER E WITH ACUTE
        0x20, 0x0020, # SPACE
        0x21, 0x0021, # EXCLAMATION MARK
        0x22, 0x0022, # QUOTATION MARK
        0x23, 0x0023, # NUMBER SIGN
        0x24, 0x00A4, # CURRENCY SIGN
        0x25, 0x0025, # PERCENT SIGN
        0x26, 0x0026, # AMPERSAND
        0x27, 0x0027, # APOSTROPHE
        0x00, 0x0040, # COMMERCIAL AT
        0x01, 0x00A3, # POUND SIGN
        0x02, 0x0024, # DOLLAR SIGN
        0x03, 0x00A5, # YEN SIGN
        0x04, 0x00E8, # LATIN SMALL LETTER E WITH GRAVE
        0x05, 0x00E9, # LATIN SMALL LETTER E WITH ACUTE
        0x06, 0x00F9, # LATIN SMALL LETTER U WITH GRAVE
        0x07, 0x00EC, # LATIN SMALL LETTER I WITH GRAVE
        0x08, 0x00F2, # LATIN SMALL LETTER O WITH GRAVE
        0x09, 0x00E7, # LATIN SMALL LETTER C WITH CEDILLA
        0x0B, 0x00D8, # LATIN CAPITAL LETTER O WITH STROKE
        0x0C, 0x00F8, # LATIN SMALL LETTER O WITH STROKE
        0x0E, 0x00C5, # LATIN CAPITAL LETTER A WITH RING ABOVE
        0x0F, 0x00E5, # LATIN SMALL LETTER A WITH RING ABOVE
        0x11, 0x005F, # LOW LINE
        [0x1B, 0x14], 0x005E, # CIRCUMFLEX ACCENT
        [0x1B, 0x28], 0x007B, # LEFT CURLY BRACKET
        [0x1B, 0x29], 0x007D, # RIGHT CURLY BRACKET
        [0x1B, 0x2F], 0x005C, # REVERSE SOLIDUS
        [0x1B, 0x3C], 0x005B, # LEFT SQUARE BRACKET
        [0x1B, 0x3D], 0x007E, # TILDE
        [0x1B, 0x3E], 0x005D, # RIGHT SQUARE BRACKET
        [0x1B, 0x40], 0x007C, # VERTICAL LINE
        0x1C, 0x00C6, # LATIN CAPITAL LETTER AE
        0x1D, 0x00E6, # LATIN SMALL LETTER AE
        0x1E, 0x00DF, # LATIN SMALL LETTER SHARP S (German)
        0x1F, 0x00C9, # LATIN CAPITAL LETTER E WITH ACUTE
        0x20, 0x0020, # SPACE
        0x21, 0x0021, # EXCLAMATION MARK
        0x22, 0x0022, # QUOTATION MARK
        0x23, 0x0023, # NUMBER SIGN
        0x24, 0x00A4, # CURRENCY SIGN
        0x25, 0x0025, # PERCENT SIGN
        0x26, 0x0026, # AMPERSAND
        0x27, 0x0027, # APOSTROPHE
        0x28, 0x0028, # LEFT PARENTHESIS
        0x29, 0x0029, # RIGHT PARENTHESIS
        0x2A, 0x002A, # ASTERISK
        0x2B, 0x002B, # PLUS SIGN
        0x2C, 0x002C, # COMMA
        0x2D, 0x002D, # HYPHEN-MINUS
        0x2E, 0x002E, # FULL STOP
        0x2F, 0x002F, # SOLIDUS
        0x30, 0x0030, # DIGIT ZERO
        0x31, 0x0031, # DIGIT ONE
        0x32, 0x0032, # DIGIT TWO
        0x33, 0x0033, # DIGIT THREE
        0x34, 0x0034, # DIGIT FOUR
        0x35, 0x0035, # DIGIT FIVE
        0x36, 0x0036, # DIGIT SIX
        0x37, 0x0037, # DIGIT SEVEN
        0x38, 0x0038, # DIGIT EIGHT
        0x39, 0x0039, # DIGIT NINE
        0x3A, 0x003A, # COLON
        0x3B, 0x003B, # SEMICOLON
        0x3C, 0x003C, # LESS-THAN SIGN
        0x3D, 0x003D, # EQUALS SIGN
        0x3E, 0x003E, # GREATER-THAN SIGN
        0x3F, 0x003F, # QUESTION MARK
        0x40, 0x00A1, # INVERTED EXCLAMATION MARK
        0x41, 0x0041, # LATIN CAPITAL LETTER A
        0x42, 0x0042, # LATIN CAPITAL LETTER B
        0x42, 0x0392, # GREEK CAPITAL LETTER BETA
        0x43, 0x0043, # LATIN CAPITAL LETTER C
        0x44, 0x0044, # LATIN CAPITAL LETTER D
        0x45, 0x0045, # LATIN CAPITAL LETTER E
        0x46, 0x0046, # LATIN CAPITAL LETTER F
        0x47, 0x0047, # LATIN CAPITAL LETTER G
        0x48, 0x0048, # LATIN CAPITAL LETTER H
        0x49, 0x0049, # LATIN CAPITAL LETTER I
        0x4A, 0x004A, # LATIN CAPITAL LETTER J
        0x4B, 0x004B, # LATIN CAPITAL LETTER K
        0x4C, 0x004C, # LATIN CAPITAL LETTER L
        0x4D, 0x004D, # LATIN CAPITAL LETTER M
        0x4E, 0x004E, # LATIN CAPITAL LETTER N
        0x4F, 0x004F, # LATIN CAPITAL LETTER O
        0x50, 0x0050, # LATIN CAPITAL LETTER P
        0x51, 0x0051, # LATIN CAPITAL LETTER Q
        0x52, 0x0052, # LATIN CAPITAL LETTER R
        0x53, 0x0053, # LATIN CAPITAL LETTER S
        0x54, 0x0054, # LATIN CAPITAL LETTER T
        0x55, 0x0055, # LATIN CAPITAL LETTER U
        0x56, 0x0056, # LATIN CAPITAL LETTER V
        0x57, 0x0057, # LATIN CAPITAL LETTER W
        0x58, 0x0058, # LATIN CAPITAL LETTER X
        0x59, 0x0059, # LATIN CAPITAL LETTER Y
        0x5A, 0x005A, # LATIN CAPITAL LETTER Z
        0x5B, 0x00C4, # LATIN CAPITAL LETTER A WITH DIAERESIS
        0x5C, 0x00D6, # LATIN CAPITAL LETTER O WITH DIAERESIS
        0x5D, 0x00D1, # LATIN CAPITAL LETTER N WITH TILDE
        0x5E, 0x00DC, # LATIN CAPITAL LETTER U WITH DIAERESIS
        0x5F, 0x00A7, # SECTION SIGN
        0x60, 0x00BF, # INVERTED QUESTION MARK
        0x61, 0x0061, # LATIN SMALL LETTER A
        0x62, 0x0062, # LATIN SMALL LETTER B
        0x63, 0x0063, # LATIN SMALL LETTER C
        0x64, 0x0064, # LATIN SMALL LETTER D
        0x65, 0x0065, # LATIN SMALL LETTER E
        0x66, 0x0066, # LATIN SMALL LETTER F
        0x67, 0x0067, # LATIN SMALL LETTER G
        0x68, 0x0068, # LATIN SMALL LETTER H
        0x69, 0x0069, # LATIN SMALL LETTER I
        0x6A, 0x006A, # LATIN SMALL LETTER J
        0x6B, 0x006B, # LATIN SMALL LETTER K
        0x6C, 0x006C, # LATIN SMALL LETTER L
        0x6D, 0x006D, # LATIN SMALL LETTER M
        0x6E, 0x006E, # LATIN SMALL LETTER N
        0x6F, 0x006F, # LATIN SMALL LETTER O
        0x70, 0x0070, # LATIN SMALL LETTER P
        0x71, 0x0071, # LATIN SMALL LETTER Q
        0x72, 0x0072, # LATIN SMALL LETTER R
        0x73, 0x0073, # LATIN SMALL LETTER S
        0x74, 0x0074, # LATIN SMALL LETTER T
        0x75, 0x0075, # LATIN SMALL LETTER U
        0x76, 0x0076, # LATIN SMALL LETTER V
        0x77, 0x0077, # LATIN SMALL LETTER W
        0x78, 0x0078, # LATIN SMALL LETTER X
        0x79, 0x0079, # LATIN SMALL LETTER Y
        0x7A, 0x007A, # LATIN SMALL LETTER Z
        0x7B, 0x00E4, # LATIN SMALL LETTER A WITH DIAERESIS
        0x7C, 0x00F6, # LATIN SMALL LETTER O WITH DIAERESIS
        0x7D, 0x00F1, # LATIN SMALL LETTER N WITH TILDE
        0x7E, 0x00FC, # LATIN SMALL LETTER U WITH DIAERESIS
        0x7F, 0x00E0  # LATIN SMALL LETTER A WITH GRAVE
      ]
    
      # Returns a new string in GSM 03.38 encoding
      def to_gsm0338
        latin1_to_gsm_map = Hash.new
        GSM0338_MAP.each_slice(2) { |gsm_symbol, latin1_symbol| latin1_to_gsm_map[latin1_symbol] = gsm_symbol }
        Iconv.iconv('ISO-8859-1', 'UTF-8', self).first.unpack('C*').collect { |utf8_symbol| latin1_to_gsm_map[utf8_symbol] }.flatten.pack('c*')
      end
    end
    
    
    
    # Test
    if $0 == __FILE__
      puts "[ÖÄÜöäü]~|-_".to_gsm0338.inspect
    end
    

    system "sms_client 0123456789 '#{msg.to_gsm0338}'"