GIF89a=( õ' 7IAXKgNgYvYx\%wh…hŽth%ˆs%—x¨}9®Œ©€&©‰%¶†(¹–.¹5·œD¹&Çš)ÇŸ5ǘ;Í£*È¡&Õ²)ׯ7×µ<Ñ»4ï°3ø‘HÖ§KͯT÷¨Yÿšqÿ»qÿÔFØ !ù ' !ÿ NETSCAPE2.0 , =( þÀ“pH,È¤rÉl:ŸÐ¨tJ­Z¯Ø¬vËíz¿à°xL.›Ïè´zÍn»ßð¸|N¯Ûïø¼~Ïïûÿ€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§gª«ªE¯°¨¬ª±²Œ¹º¹E¾­”´ÂB¶¯ §Åȸ»ÑD¾¿Á•ÄÅ®° ÝH¾ÒLÀÆDÙ«D¶BÝïðÀ¾DÑÑÔTÌÍíH òGö¨A RÎڐ |¥ ٭&ºìE8œ¹kGÔAÞpx­a¶­ã R2XB®åE8I€Õ6Xî:vT)äžþÀq¦è³¥ì仕F~%xñ  4#ZÔ‰O|-4Bs‘X:= QÉ œš lºÒyXJŠGȦ|s hÏíK–3l7·B|¥$'7Jީܪ‰‡àá”Dæn=Pƒ ¤Òëí‰`䌨ljóá¯Éüv>á–Á¼5 ½.69ûϸd«­ºÀûnlv©‹ªîf{¬ÜãPbŸ  l5‘Ž¯pß ´ ˜3aÅùäI«O’ý·‘áÞ‡˜¾Æ‚ÙÏiÇÿ‹Àƒ #öó)pâš Þ½ ‘Ý{ó)vmÞü%D~ 6f s}ŃƒDØW Eþ`‡þ À…L8xá†ç˜{)x`X/> Ì}mø‚–RØ‘*|`D=‚Ø_ ^ð5 !_…'aä“OÚ—7âcð`D”Cx`ÝÂ¥ä‹éY¹—F¼¤¥Š?¡Õ™ n@`} lď’ÄÉ@4>ñd œ à‘vÒxNÃ×™@žd=ˆgsžG±æ ´²æud &p8Qñ)ˆ«lXD©øÜéAžHìySun jª×k*D¤LH] †¦§C™Jä–´Xb~ʪwStŽ6K,°£qÁœ:9ت:¨þªl¨@¡`‚ûÚ ».Û¬¯t‹ÆSÉ[:°=Š‹„‘Nåû”Ìî{¿ÂA ‡Rà›ÀÙ6úë°Ÿð0Ä_ ½;ÃϱîÉì^ÇÛÇ#Ëë¼ôº!±Ä˜íUîÅÇ;0L1óÁµö«p% AÀºU̬ݵ¼á%霼€‡¯Á~`ÏG¯»À× ­²± =4ªnpð3¾¤³¯­ü¾¦îuÙuµÙ®|%2ÊIÿür¦#0·ÔJ``8È@S@5ê¢ ö×Þ^`8EÜ]ý.뜃Âç 7 ú ȉÞj œ½Dç zý¸iþœÑÙûÄë!ˆÞÀl§Ïw‹*DçI€nEX¯¬¼ &A¬Go¼QföõFç°¯;é¦÷îŽêJ°îúôF5¡ÌQ|îúöXªæ»TÁÏyñêï]ê² o óÎC=öõ›ÒÓPB@ D×½œä(>èCÂxŽ`±«Ÿ–JЀ»Û á¤±p+eE0`ëŽ`A Ú/NE€Ø†À9‚@¤à H½7”à‡%B‰`Àl*ƒó‘–‡8 2ñ%¸ —€:Ù1Á‰E¸àux%nP1ð!‘ðC)¾P81lÑɸF#ˆ€{´âé°ÈB„0>±û °b¡Š´±O‚3È–Ù()yRpbµ¨E.Z‘D8ÊH@% òŒx+%Ù˜Æcü »¸˜fõ¬b·d`Fê™8èXH"ÉÈ-±|1Ô6iI, 2““¬$+](A*jÐ QTÂo‰.ÛU슬Œã„Ž`¯SN¡–¶Äåyše¯ª’­¬‚´b¦Éož œ)åyâ@Ì®3 ÎtT̉°&Ø+žLÀf"Ø-|žçÔ>‡Ðv¦Ðžì\‚ Q1)Ž@Žh#aP72”ˆ™¨$‚ !ù " , =( …7IAXG]KgNgYvYxR"k\%w]'}hŽth%ˆg+ˆs%—r.—m3šx3˜x¨}9®€&©€+¨‡7§‰%¶†(¹–.¹œD¹&ǘ;Í•&ײ)×»4ïÌ6ò§KÍ þ@‘pH,È¤rÉl:ŸÐ¨tJ­Z¯Ø¬vËíz¿à°xL.›Ïè´zÍn»ßð¸|N¯Ûïø¼~Ïïûÿ€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§g «¬ E ±± ¨­¶°ººE Á´”·®C¬²§Ç¶Œ»ÓDÃÕƷ¯Ê±H½ºM×ÁGÚ¬D¶BËÁ½î½DÓôTÏÛßîG»ôõC×CÌ l&âž:'òtU³6ɹ#·Ø)€'Ü.6±&ëÍÈ» K(8p0N?!æ2"ÛˆNIJX>R¼ÐO‚M '¡¨2¸*Ÿþ>#n↠å@‚<[:¡Iïf’ ¤TÚ˘CdbÜÙ“[«ŽEú5MBo¤×@€`@„€Êt W-3 ¶Ÿ¡BíêäjIÝ…Eò9[T…$íêﯧ„…•s»Óȳ¹€ÅÚdc®UUρ#±Ùïldj?´í¼²`\ŽÁðÞu|3'ÖŒ]ë6 ¶S#²‡˜FKLÈ *N E´‘áäŠ$˜›eÄYD„ºq«.è촁ƒs \-ÔjA 9²õ÷å- üúM[Âx(ís÷ì®x€|í¡Ù’p¦‚ ŽkÛTÇDpE@WÜ ²Ç]kŠ1¨ þ€·Yb ÓÁ‰l°*n0 ç™—žzBdОu¾7ĉBl€â‰-ºx~|UåU‰  h*Hœ|e"#"?vpÄiŠe6^ˆ„+qâŠm8 #VÇá ‘å–ÄV„œ|Šè•m"сœn|@›U¶ÆΞ—Špb¥G¨ED”€±Úê2FÌIç? >Éxå Œ± ¡¤„%‘žjŸ‘ꄯ<Ìaà9ijÐ2˜D¦È&›†Z`‚å]wþ¼Â:ç6àB¤7eFJ|õÒ§Õ,¨äàFÇ®cS·Ê¶+B°,‘Þ˜ºNûãØ>PADÌHD¹æž«ÄÀnÌ¥}­#Ë’ë QÀÉSÌÂÇ2ÌXÀ{æk²lQÁ2«ÊðÀ¯w|2Í h‹ÄÂG€,m¾¶ë3ÐÙ6-´ÅE¬L°ÆIij*K½ÀÇqï`DwVÍQXœÚÔpeœ±¬Ñ q˜§Tœ½µƒ°Œìu Â<¶aØ*At¯lmEØ ü ôÛN[P1ÔÛ¦­±$ÜÆ@`ùåDpy¶yXvCAyåB`ŽD¶ 0QwG#¯ æš[^Äþ $ÀÓÝǦ{„L™[±úKÄgÌ;ï£S~¹ìGX.ôgoT.»åˆ°ùŸûù¡?1zö¦Ÿž:ÅgÁ|ìL¹ „®£œŠ‚à0œ]PÁ^p F<"•ç?!,ñ‡N4—…PÄ Á„ö¨Û:Tè@hÀ‹%táÿ:ø-žI<`þ‹p I….)^ 40D#p@ƒj4–؀:²‰1Øâr˜¼F2oW¼#Z†;$Q q” ‘ ÂK¦ñNl#29 !’F@¥Bh·ᏀL!—XFóLH‘Kh¤.«hE&JòG¨¥<™WN!€ÑÙÚˆY„@†>Œž19J" 2,/ &.GXB%ÌRÈ9B6¹W]’î×ÔW¥’IÎ$ ñ‹ÓŒE8YÆ ¼³™ñA5“à®Q.aŸB€&Ø©³ JÁ—! ¦t)K%tœ-¦JF bòNMxLôþ)ÐR¸Ð™‘ èÝ6‘O!THÌ„HÛ ‰ !ù ) , =( …AXKgNgYvYxR"k\%wh…hŽh%ˆg+ˆs%—r.—x3˜x¨}9®€&©€+¨Œ,©‡7§‰%¶†(¹–.¹5·&Çš)ǘ;Í•&×£*Ȳ)ׯ7×»4ï°3øÌ6ò‘HÖ§KÍ»Hó¯T÷¨Yÿ»qÿÇhÿ þÀ”pH,È¤rÉl:ŸÐ¨tJ­Z¯Ø¬vËíz¿à°xL.›Ïè´zÍn»ßð¸|N¯Ûïø¼~Ïïûÿ€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§g ª« E$±²¨ª­ · °²½$E$ÂÕ««D· Í ¿¦Ç¶¸ÌŒ¾³CÃÅÆ E ééH½MÛÂGâªD­ çBêêϾD²ÒaÀà€Š1r­ðÓ¤ ÔožzU!L˜C'¾yW½UGtäÇïÙllê0×àÂuGþ)AÀs[þ·xì ÁxO%ƒûX2ó—  P£n›R/¡ÑšHše+êDm?# —‘Ç£6¡8íJ¡ŸâDiäªM¥Ö„ôj“¬¹£5oQ7°- <‡ *´lãÓŒ2r/a!l)dÈ A™ÈE¢ôÔ͆…ð ;Ö˜c ¡%ß‚’Ùˆâ¸b½—pe~C"BíëÚHïeF2§æŠ8qb t_`urŠeü wÅu3êæPv§h•"ß`íÍxçLĹÜÖ3á  ~Öº“®›¸ÏMDfJÙ °„ÛµáWõ%§œ‚à©–‚X Ó؁)@®Ñ›Eþ´wëuÅSxb8y\mÖzœ¥§ZbºE—ÂLªÌw!y(>¡™wú=Ç|ÅÝs¢d €CÁW)HÜcC$€L Ä7„r.á\{)@ð` @ äXÈ$PD” `šaG:§æˆOˆ72EÐamn]ù"ŒcÊxÑŒ° &dR8`g«iÙŸLR!¦P …d’ä¡“¦ðÎTƒ¦ià|À _ ¥ Qi#¦Šg›Æ ›noMµ ›V ã£)p ç£ÎW…š=Âeªk§†j„ ´®1ß²sÉxéW«jšl|0¯B0Û, \jÛ´›6±¬¶C ÛíWþï|ëÙ‹¸ñzĸV {ì;Ýñn¼òVˆm³I¼³.Ðã¤PN¥ ²µ¼„µCã+¹ÍByî£Ñ¾HŸ›ëê 7ìYÆFTk¨SaoaY$Dµœìï¿Ã29RÈkt Çïfñ ÇÒ:ÀÐSp¹3ÇI¨â¥DZÄ ü9Ïýögñ½­uÔ*3)O‘˜Ö[_hv ,àî×Et Ÿé¶BH€ Õ[ü±64M@ÔSÌM7dÐl5-ÄÙU܍´©zߌ3Ô€3ž„ „ ¶ÛPô½5×g› êÚ˜kN„Ý…0Îj4€Ìë°“#{þÕ3S2çKÜ'ợlø¼Ú2K{° {Û¶?žm𸧠ËI¼nEò='êüóºè^üæÃ_Û=°óž‚ì#Oý¿Í'¡½áo..ÏYìnüñCœO±Áa¿¢Kô½o,üÄËbö²çºíï{ËC Ú— "”Ï{ËK ÍÒw„õ±Oz dÕ¨à:$ ƒô—«v»] A#ð «€¿šéz)Rx׿ˆ¥‚d``èw-îyÏf×K!ð€þ­Ð|ìPľ„=Ì`ý(f” 'Pa ¥ÐBJa%Ðâf§„%Š¡}FàáÝ×6>ÉäŠG"éŽè=ø!oŠ°^FP¼Ø©Q„ÀCÙÁ`(Ž\ÄÝ® ©Â$<n@dÄ E#ììUÒI! ‚#lù‹`k¦ÐÇ'Rró’ZýNBÈMF Í[¤+‹ðɈ-áwj¨¥þ8¾rá ,VÂh„"|½œ=×G_¦Ñ™EØ 0i*%̲˜Æda0mV‚k¾)›;„&6 p>ÓjK “¦Ç# âDÂ:ûc?:R Ó¬fÞéI-Ì“•Ã<ä=™Ï7˜3œ¨˜c2ŒW ,ˆ”8(T™P‰F¡Jhç"‚ ; 403WebShell
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Current File : /opt/alt/ruby32/share/ruby/reline/unicode.rb
class Reline::Unicode
  EscapedPairs = {
    0x00 => '^@',
    0x01 => '^A', # C-a
    0x02 => '^B',
    0x03 => '^C',
    0x04 => '^D',
    0x05 => '^E',
    0x06 => '^F',
    0x07 => '^G',
    0x08 => '^H', # Backspace
    0x09 => '^I',
    0x0A => '^J',
    0x0B => '^K',
    0x0C => '^L',
    0x0D => '^M', # Enter
    0x0E => '^N',
    0x0F => '^O',
    0x10 => '^P',
    0x11 => '^Q',
    0x12 => '^R',
    0x13 => '^S',
    0x14 => '^T',
    0x15 => '^U',
    0x16 => '^V',
    0x17 => '^W',
    0x18 => '^X',
    0x19 => '^Y',
    0x1A => '^Z', # C-z
    0x1B => '^[', # C-[ C-3
    0x1D => '^]', # C-]
    0x1E => '^^', # C-~ C-6
    0x1F => '^_', # C-_ C-7
    0x7F => '^?', # C-? C-8
  }
  EscapedChars = EscapedPairs.keys.map(&:chr)

  NON_PRINTING_START = "\1"
  NON_PRINTING_END = "\2"
  CSI_REGEXP = /\e\[[\d;]*[ABCDEFGHJKSTfminsuhl]/
  OSC_REGEXP = /\e\]\d+(?:;[^;]+)*\a/
  WIDTH_SCANNER = /\G(?:(#{NON_PRINTING_START})|(#{NON_PRINTING_END})|(#{CSI_REGEXP})|(#{OSC_REGEXP})|(\X))/o
  NON_PRINTING_START_INDEX = 0
  NON_PRINTING_END_INDEX = 1
  CSI_REGEXP_INDEX = 2
  OSC_REGEXP_INDEX = 3
  GRAPHEME_CLUSTER_INDEX = 4

  def self.get_mbchar_byte_size_by_first_char(c)
    # Checks UTF-8 character byte size
    case c.ord
    # 0b0xxxxxxx
    when ->(code) { (code ^ 0b10000000).allbits?(0b10000000) } then 1
    # 0b110xxxxx
    when ->(code) { (code ^ 0b00100000).allbits?(0b11100000) } then 2
    # 0b1110xxxx
    when ->(code) { (code ^ 0b00010000).allbits?(0b11110000) } then 3
    # 0b11110xxx
    when ->(code) { (code ^ 0b00001000).allbits?(0b11111000) } then 4
    # 0b111110xx
    when ->(code) { (code ^ 0b00000100).allbits?(0b11111100) } then 5
    # 0b1111110x
    when ->(code) { (code ^ 0b00000010).allbits?(0b11111110) } then 6
    # successor of mbchar
    else 0
    end
  end

  def self.escape_for_print(str)
    str.chars.map! { |gr|
      escaped = EscapedPairs[gr.ord]
      if escaped && gr != -"\n" && gr != -"\t"
        escaped
      else
        gr
      end
    }.join
  end

  require 'reline/unicode/east_asian_width'

  HalfwidthDakutenHandakuten = /[\u{FF9E}\u{FF9F}]/

  MBCharWidthRE = /
    (?<width_2_1>
      [#{ EscapedChars.map {|c| "\\x%02x" % c.ord }.join }] (?# ^ + char, such as ^M, ^H, ^[, ...)
    )
  | (?<width_3>^\u{2E3B}) (?# THREE-EM DASH)
  | (?<width_0>^\p{M})
  | (?<width_2_2>
      #{ EastAsianWidth::TYPE_F }
    | #{ EastAsianWidth::TYPE_W }
    )
  | (?<width_1>
      #{ EastAsianWidth::TYPE_H }
    | #{ EastAsianWidth::TYPE_NA }
    | #{ EastAsianWidth::TYPE_N }
    )(?!#{ HalfwidthDakutenHandakuten })
  | (?<width_2_3>
      (?: #{ EastAsianWidth::TYPE_H }
        | #{ EastAsianWidth::TYPE_NA }
        | #{ EastAsianWidth::TYPE_N })
      #{ HalfwidthDakutenHandakuten }
    )
  | (?<ambiguous_width>
      #{EastAsianWidth::TYPE_A}
    )
  /x

  def self.get_mbchar_width(mbchar)
    ord = mbchar.ord
    if (0x00 <= ord and ord <= 0x1F) # in EscapedPairs
      return 2
    elsif (0x20 <= ord and ord <= 0x7E) # printable ASCII chars
      return 1
    end
    m = mbchar.encode(Encoding::UTF_8).match(MBCharWidthRE)
    case
    when m.nil? then 1 # TODO should be U+FFFD � REPLACEMENT CHARACTER
    when m[:width_2_1], m[:width_2_2], m[:width_2_3] then 2
    when m[:width_3] then 3
    when m[:width_0] then 0
    when m[:width_1] then 1
    when m[:ambiguous_width] then Reline.ambiguous_width
    else
      nil
    end
  end

  def self.calculate_width(str, allow_escape_code = false)
    if allow_escape_code
      width = 0
      rest = str.encode(Encoding::UTF_8)
      in_zero_width = false
      rest.scan(WIDTH_SCANNER) do |gc|
        case
        when gc[NON_PRINTING_START_INDEX]
          in_zero_width = true
        when gc[NON_PRINTING_END_INDEX]
          in_zero_width = false
        when gc[CSI_REGEXP_INDEX], gc[OSC_REGEXP_INDEX]
        when gc[GRAPHEME_CLUSTER_INDEX]
          gc = gc[GRAPHEME_CLUSTER_INDEX]
          unless in_zero_width
            width += get_mbchar_width(gc)
          end
        end
      end
      width
    else
      str.encode(Encoding::UTF_8).grapheme_clusters.inject(0) { |w, gc|
        w + get_mbchar_width(gc)
      }
    end
  end

  def self.split_by_width(str, max_width, encoding = str.encoding)
    lines = [String.new(encoding: encoding)]
    height = 1
    width = 0
    rest = str.encode(Encoding::UTF_8)
    in_zero_width = false
    rest.scan(WIDTH_SCANNER) do |gc|
      case
      when gc[NON_PRINTING_START_INDEX]
        in_zero_width = true
      when gc[NON_PRINTING_END_INDEX]
        in_zero_width = false
      when gc[CSI_REGEXP_INDEX]
        lines.last << gc[CSI_REGEXP_INDEX]
      when gc[OSC_REGEXP_INDEX]
        lines.last << gc[OSC_REGEXP_INDEX]
      when gc[GRAPHEME_CLUSTER_INDEX]
        gc = gc[GRAPHEME_CLUSTER_INDEX]
        unless in_zero_width
          mbchar_width = get_mbchar_width(gc)
          if (width += mbchar_width) > max_width
            width = mbchar_width
            lines << nil
            lines << String.new(encoding: encoding)
            height += 1
          end
        end
        lines.last << gc
      end
    end
    # The cursor moves to next line in first
    if width == max_width
      lines << nil
      lines << String.new(encoding: encoding)
      height += 1
    end
    [lines, height]
  end

  # Take a chunk of a String cut by width with escape sequences.
  def self.take_range(str, start_col, max_width, encoding = str.encoding)
    chunk = String.new(encoding: encoding)
    total_width = 0
    rest = str.encode(Encoding::UTF_8)
    in_zero_width = false
    rest.scan(WIDTH_SCANNER) do |gc|
      case
      when gc[NON_PRINTING_START_INDEX]
        in_zero_width = true
      when gc[NON_PRINTING_END_INDEX]
        in_zero_width = false
      when gc[CSI_REGEXP_INDEX]
        chunk << gc[CSI_REGEXP_INDEX]
      when gc[OSC_REGEXP_INDEX]
        chunk << gc[OSC_REGEXP_INDEX]
      when gc[GRAPHEME_CLUSTER_INDEX]
        gc = gc[GRAPHEME_CLUSTER_INDEX]
        if in_zero_width
          chunk << gc
        else
          mbchar_width = get_mbchar_width(gc)
          total_width += mbchar_width
          break if (start_col + max_width) < total_width
          chunk << gc if start_col < total_width
        end
      end
    end
    chunk
  end

  def self.get_next_mbchar_size(line, byte_pointer)
    grapheme = line.byteslice(byte_pointer..-1).grapheme_clusters.first
    grapheme ? grapheme.bytesize : 0
  end

  def self.get_prev_mbchar_size(line, byte_pointer)
    if byte_pointer.zero?
      0
    else
      grapheme = line.byteslice(0..(byte_pointer - 1)).grapheme_clusters.last
      grapheme ? grapheme.bytesize : 0
    end
  end

  def self.em_forward_word(line, byte_pointer)
    width = 0
    byte_size = 0
    while line.bytesize > (byte_pointer + byte_size)
      size = get_next_mbchar_size(line, byte_pointer + byte_size)
      mbchar = line.byteslice(byte_pointer + byte_size, size)
      break if mbchar.encode(Encoding::UTF_8) =~ /\p{Word}/
      width += get_mbchar_width(mbchar)
      byte_size += size
    end
    while line.bytesize > (byte_pointer + byte_size)
      size = get_next_mbchar_size(line, byte_pointer + byte_size)
      mbchar = line.byteslice(byte_pointer + byte_size, size)
      break if mbchar.encode(Encoding::UTF_8) =~ /\P{Word}/
      width += get_mbchar_width(mbchar)
      byte_size += size
    end
    [byte_size, width]
  end

  def self.em_forward_word_with_capitalization(line, byte_pointer)
    width = 0
    byte_size = 0
    new_str = String.new
    while line.bytesize > (byte_pointer + byte_size)
      size = get_next_mbchar_size(line, byte_pointer + byte_size)
      mbchar = line.byteslice(byte_pointer + byte_size, size)
      break if mbchar.encode(Encoding::UTF_8) =~ /\p{Word}/
      new_str += mbchar
      width += get_mbchar_width(mbchar)
      byte_size += size
    end
    first = true
    while line.bytesize > (byte_pointer + byte_size)
      size = get_next_mbchar_size(line, byte_pointer + byte_size)
      mbchar = line.byteslice(byte_pointer + byte_size, size)
      break if mbchar.encode(Encoding::UTF_8) =~ /\P{Word}/
      if first
        new_str += mbchar.upcase
        first = false
      else
        new_str += mbchar.downcase
      end
      width += get_mbchar_width(mbchar)
      byte_size += size
    end
    [byte_size, width, new_str]
  end

  def self.em_backward_word(line, byte_pointer)
    width = 0
    byte_size = 0
    while 0 < (byte_pointer - byte_size)
      size = get_prev_mbchar_size(line, byte_pointer - byte_size)
      mbchar = line.byteslice(byte_pointer - byte_size - size, size)
      break if mbchar.encode(Encoding::UTF_8) =~ /\p{Word}/
      width += get_mbchar_width(mbchar)
      byte_size += size
    end
    while 0 < (byte_pointer - byte_size)
      size = get_prev_mbchar_size(line, byte_pointer - byte_size)
      mbchar = line.byteslice(byte_pointer - byte_size - size, size)
      break if mbchar.encode(Encoding::UTF_8) =~ /\P{Word}/
      width += get_mbchar_width(mbchar)
      byte_size += size
    end
    [byte_size, width]
  end

  def self.em_big_backward_word(line, byte_pointer)
    width = 0
    byte_size = 0
    while 0 < (byte_pointer - byte_size)
      size = get_prev_mbchar_size(line, byte_pointer - byte_size)
      mbchar = line.byteslice(byte_pointer - byte_size - size, size)
      break if mbchar =~ /\S/
      width += get_mbchar_width(mbchar)
      byte_size += size
    end
    while 0 < (byte_pointer - byte_size)
      size = get_prev_mbchar_size(line, byte_pointer - byte_size)
      mbchar = line.byteslice(byte_pointer - byte_size - size, size)
      break if mbchar =~ /\s/
      width += get_mbchar_width(mbchar)
      byte_size += size
    end
    [byte_size, width]
  end

  def self.ed_transpose_words(line, byte_pointer)
    right_word_start = nil
    size = get_next_mbchar_size(line, byte_pointer)
    mbchar = line.byteslice(byte_pointer, size)
    if size.zero?
      # ' aaa bbb [cursor]'
      byte_size = 0
      while 0 < (byte_pointer + byte_size)
        size = get_prev_mbchar_size(line, byte_pointer + byte_size)
        mbchar = line.byteslice(byte_pointer + byte_size - size, size)
        break if mbchar.encode(Encoding::UTF_8) =~ /\p{Word}/
        byte_size -= size
      end
      while 0 < (byte_pointer + byte_size)
        size = get_prev_mbchar_size(line, byte_pointer + byte_size)
        mbchar = line.byteslice(byte_pointer + byte_size - size, size)
        break if mbchar.encode(Encoding::UTF_8) =~ /\P{Word}/
        byte_size -= size
      end
      right_word_start = byte_pointer + byte_size
      byte_size = 0
      while line.bytesize > (byte_pointer + byte_size)
        size = get_next_mbchar_size(line, byte_pointer + byte_size)
        mbchar = line.byteslice(byte_pointer + byte_size, size)
        break if mbchar.encode(Encoding::UTF_8) =~ /\P{Word}/
        byte_size += size
      end
      after_start = byte_pointer + byte_size
    elsif mbchar.encode(Encoding::UTF_8) =~ /\p{Word}/
      # ' aaa bb[cursor]b'
      byte_size = 0
      while 0 < (byte_pointer + byte_size)
        size = get_prev_mbchar_size(line, byte_pointer + byte_size)
        mbchar = line.byteslice(byte_pointer + byte_size - size, size)
        break if mbchar.encode(Encoding::UTF_8) =~ /\P{Word}/
        byte_size -= size
      end
      right_word_start = byte_pointer + byte_size
      byte_size = 0
      while line.bytesize > (byte_pointer + byte_size)
        size = get_next_mbchar_size(line, byte_pointer + byte_size)
        mbchar = line.byteslice(byte_pointer + byte_size, size)
        break if mbchar.encode(Encoding::UTF_8) =~ /\P{Word}/
        byte_size += size
      end
      after_start = byte_pointer + byte_size
    else
      byte_size = 0
      while (line.bytesize - 1) > (byte_pointer + byte_size)
        size = get_next_mbchar_size(line, byte_pointer + byte_size)
        mbchar = line.byteslice(byte_pointer + byte_size, size)
        break if mbchar.encode(Encoding::UTF_8) =~ /\p{Word}/
        byte_size += size
      end
      if (byte_pointer + byte_size) == (line.bytesize - 1)
        # ' aaa bbb [cursor] '
        after_start = line.bytesize
        while 0 < (byte_pointer + byte_size)
          size = get_prev_mbchar_size(line, byte_pointer + byte_size)
          mbchar = line.byteslice(byte_pointer + byte_size - size, size)
          break if mbchar.encode(Encoding::UTF_8) =~ /\p{Word}/
          byte_size -= size
        end
        while 0 < (byte_pointer + byte_size)
          size = get_prev_mbchar_size(line, byte_pointer + byte_size)
          mbchar = line.byteslice(byte_pointer + byte_size - size, size)
          break if mbchar.encode(Encoding::UTF_8) =~ /\P{Word}/
          byte_size -= size
        end
        right_word_start = byte_pointer + byte_size
      else
        # ' aaa [cursor] bbb '
        right_word_start = byte_pointer + byte_size
        while line.bytesize > (byte_pointer + byte_size)
          size = get_next_mbchar_size(line, byte_pointer + byte_size)
          mbchar = line.byteslice(byte_pointer + byte_size, size)
          break if mbchar.encode(Encoding::UTF_8) =~ /\P{Word}/
          byte_size += size
        end
        after_start = byte_pointer + byte_size
      end
    end
    byte_size = right_word_start - byte_pointer
    while 0 < (byte_pointer + byte_size)
      size = get_prev_mbchar_size(line, byte_pointer + byte_size)
      mbchar = line.byteslice(byte_pointer + byte_size - size, size)
      break if mbchar.encode(Encoding::UTF_8) =~ /\p{Word}/
      byte_size -= size
    end
    middle_start = byte_pointer + byte_size
    byte_size = middle_start - byte_pointer
    while 0 < (byte_pointer + byte_size)
      size = get_prev_mbchar_size(line, byte_pointer + byte_size)
      mbchar = line.byteslice(byte_pointer + byte_size - size, size)
      break if mbchar.encode(Encoding::UTF_8) =~ /\P{Word}/
      byte_size -= size
    end
    left_word_start = byte_pointer + byte_size
    [left_word_start, middle_start, right_word_start, after_start]
  end

  def self.vi_big_forward_word(line, byte_pointer)
    width = 0
    byte_size = 0
    while (line.bytesize - 1) > (byte_pointer + byte_size)
      size = get_next_mbchar_size(line, byte_pointer + byte_size)
      mbchar = line.byteslice(byte_pointer + byte_size, size)
      break if mbchar =~ /\s/
      width += get_mbchar_width(mbchar)
      byte_size += size
    end
    while (line.bytesize - 1) > (byte_pointer + byte_size)
      size = get_next_mbchar_size(line, byte_pointer + byte_size)
      mbchar = line.byteslice(byte_pointer + byte_size, size)
      break if mbchar =~ /\S/
      width += get_mbchar_width(mbchar)
      byte_size += size
    end
    [byte_size, width]
  end

  def self.vi_big_forward_end_word(line, byte_pointer)
    if (line.bytesize - 1) > byte_pointer
      size = get_next_mbchar_size(line, byte_pointer)
      mbchar = line.byteslice(byte_pointer, size)
      width = get_mbchar_width(mbchar)
      byte_size = size
    else
      return [0, 0]
    end
    while (line.bytesize - 1) > (byte_pointer + byte_size)
      size = get_next_mbchar_size(line, byte_pointer + byte_size)
      mbchar = line.byteslice(byte_pointer + byte_size, size)
      break if mbchar =~ /\S/
      width += get_mbchar_width(mbchar)
      byte_size += size
    end
    prev_width = width
    prev_byte_size = byte_size
    while line.bytesize > (byte_pointer + byte_size)
      size = get_next_mbchar_size(line, byte_pointer + byte_size)
      mbchar = line.byteslice(byte_pointer + byte_size, size)
      break if mbchar =~ /\s/
      prev_width = width
      prev_byte_size = byte_size
      width += get_mbchar_width(mbchar)
      byte_size += size
    end
    [prev_byte_size, prev_width]
  end

  def self.vi_big_backward_word(line, byte_pointer)
    width = 0
    byte_size = 0
    while 0 < (byte_pointer - byte_size)
      size = get_prev_mbchar_size(line, byte_pointer - byte_size)
      mbchar = line.byteslice(byte_pointer - byte_size - size, size)
      break if mbchar =~ /\S/
      width += get_mbchar_width(mbchar)
      byte_size += size
    end
    while 0 < (byte_pointer - byte_size)
      size = get_prev_mbchar_size(line, byte_pointer - byte_size)
      mbchar = line.byteslice(byte_pointer - byte_size - size, size)
      break if mbchar =~ /\s/
      width += get_mbchar_width(mbchar)
      byte_size += size
    end
    [byte_size, width]
  end

  def self.vi_forward_word(line, byte_pointer, drop_terminate_spaces = false)
    if line.bytesize > byte_pointer
      size = get_next_mbchar_size(line, byte_pointer)
      mbchar = line.byteslice(byte_pointer, size)
      if mbchar =~ /\w/
        started_by = :word
      elsif mbchar =~ /\s/
        started_by = :space
      else
        started_by = :non_word_printable
      end
      width = get_mbchar_width(mbchar)
      byte_size = size
    else
      return [0, 0]
    end
    while line.bytesize > (byte_pointer + byte_size)
      size = get_next_mbchar_size(line, byte_pointer + byte_size)
      mbchar = line.byteslice(byte_pointer + byte_size, size)
      case started_by
      when :word
        break if mbchar =~ /\W/
      when :space
        break if mbchar =~ /\S/
      when :non_word_printable
        break if mbchar =~ /\w|\s/
      end
      width += get_mbchar_width(mbchar)
      byte_size += size
    end
    return [byte_size, width] if drop_terminate_spaces
    while line.bytesize > (byte_pointer + byte_size)
      size = get_next_mbchar_size(line, byte_pointer + byte_size)
      mbchar = line.byteslice(byte_pointer + byte_size, size)
      break if mbchar =~ /\S/
      width += get_mbchar_width(mbchar)
      byte_size += size
    end
    [byte_size, width]
  end

  def self.vi_forward_end_word(line, byte_pointer)
    if (line.bytesize - 1) > byte_pointer
      size = get_next_mbchar_size(line, byte_pointer)
      mbchar = line.byteslice(byte_pointer, size)
      if mbchar =~ /\w/
        started_by = :word
      elsif mbchar =~ /\s/
        started_by = :space
      else
        started_by = :non_word_printable
      end
      width = get_mbchar_width(mbchar)
      byte_size = size
    else
      return [0, 0]
    end
    if (line.bytesize - 1) > (byte_pointer + byte_size)
      size = get_next_mbchar_size(line, byte_pointer + byte_size)
      mbchar = line.byteslice(byte_pointer + byte_size, size)
      if mbchar =~ /\w/
        second = :word
      elsif mbchar =~ /\s/
        second = :space
      else
        second = :non_word_printable
      end
      second_width = get_mbchar_width(mbchar)
      second_byte_size = size
    else
      return [byte_size, width]
    end
    if second == :space
      width += second_width
      byte_size += second_byte_size
      while (line.bytesize - 1) > (byte_pointer + byte_size)
        size = get_next_mbchar_size(line, byte_pointer + byte_size)
        mbchar = line.byteslice(byte_pointer + byte_size, size)
        if mbchar =~ /\S/
          if mbchar =~ /\w/
            started_by = :word
          else
            started_by = :non_word_printable
          end
          break
        end
        width += get_mbchar_width(mbchar)
        byte_size += size
      end
    else
      case [started_by, second]
      when [:word, :non_word_printable], [:non_word_printable, :word]
        started_by = second
      else
        width += second_width
        byte_size += second_byte_size
        started_by = second
      end
    end
    prev_width = width
    prev_byte_size = byte_size
    while line.bytesize > (byte_pointer + byte_size)
      size = get_next_mbchar_size(line, byte_pointer + byte_size)
      mbchar = line.byteslice(byte_pointer + byte_size, size)
      case started_by
      when :word
        break if mbchar =~ /\W/
      when :non_word_printable
        break if mbchar =~ /[\w\s]/
      end
      prev_width = width
      prev_byte_size = byte_size
      width += get_mbchar_width(mbchar)
      byte_size += size
    end
    [prev_byte_size, prev_width]
  end

  def self.vi_backward_word(line, byte_pointer)
    width = 0
    byte_size = 0
    while 0 < (byte_pointer - byte_size)
      size = get_prev_mbchar_size(line, byte_pointer - byte_size)
      mbchar = line.byteslice(byte_pointer - byte_size - size, size)
      if mbchar =~ /\S/
        if mbchar =~ /\w/
          started_by = :word
        else
          started_by = :non_word_printable
        end
        break
      end
      width += get_mbchar_width(mbchar)
      byte_size += size
    end
    while 0 < (byte_pointer - byte_size)
      size = get_prev_mbchar_size(line, byte_pointer - byte_size)
      mbchar = line.byteslice(byte_pointer - byte_size - size, size)
      case started_by
      when :word
        break if mbchar =~ /\W/
      when :non_word_printable
        break if mbchar =~ /[\w\s]/
      end
      width += get_mbchar_width(mbchar)
      byte_size += size
    end
    [byte_size, width]
  end

  def self.vi_first_print(line)
    width = 0
    byte_size = 0
    while (line.bytesize - 1) > byte_size
      size = get_next_mbchar_size(line, byte_size)
      mbchar = line.byteslice(byte_size, size)
      if mbchar =~ /\S/
        break
      end
      width += get_mbchar_width(mbchar)
      byte_size += size
    end
    [byte_size, width]
  end
end

Youez - 2016 - github.com/yon3zu
LinuXploit