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
403Webshell
Server IP : 104.21.83.152  /  Your IP : 216.73.216.195
Web Server : LiteSpeed
System : Linux premium229.web-hosting.com 4.18.0-553.45.1.lve.el8.x86_64 #1 SMP Wed Mar 26 12:08:09 UTC 2025 x86_64
User : akhalid ( 749)
PHP Version : 8.3.22
Disable Function : NONE
MySQL : OFF  |  cURL : ON  |  WGET : ON  |  Perl : ON  |  Python : ON  |  Sudo : OFF  |  Pkexec : OFF
Directory :  /opt/alt/ruby20/lib64/ruby/2.0.0/rexml/

Upload File :
current_dir [ Writeable ] document_root [ Writeable ]

 

Command :

[ Back ]     

Current File : /opt/alt/ruby20/lib64/ruby/2.0.0/rexml/text.rb
require 'rexml/rexml'
require 'rexml/entity'
require 'rexml/doctype'
require 'rexml/child'
require 'rexml/doctype'
require 'rexml/parseexception'

module REXML
  # Represents text nodes in an XML document
  class Text < Child
    include Comparable
    # The order in which the substitutions occur
    SPECIALS = [ /&(?!#?[\w-]+;)/u, /</u, />/u, /"/u, /'/u, /\r/u ]
    SUBSTITUTES = ['&amp;', '&lt;', '&gt;', '&quot;', '&apos;', '&#13;']
    # Characters which are substituted in written strings
    SLAICEPS = [ '<', '>', '"', "'", '&' ]
    SETUTITSBUS = [ /&lt;/u, /&gt;/u, /&quot;/u, /&apos;/u, /&amp;/u ]

    # If +raw+ is true, then REXML leaves the value alone
    attr_accessor :raw

    NEEDS_A_SECOND_CHECK = /(<|&((#{Entity::NAME});|(#0*((?:\d+)|(?:x[a-fA-F0-9]+)));)?)/um
    NUMERICENTITY = /&#0*((?:\d+)|(?:x[a-fA-F0-9]+));/
    VALID_CHAR = [
      0x9, 0xA, 0xD,
      (0x20..0xD7FF),
      (0xE000..0xFFFD),
      (0x10000..0x10FFFF)
    ]

    if String.method_defined? :encode
      VALID_XML_CHARS = Regexp.new('^['+
        VALID_CHAR.map { |item|
          case item
          when Fixnum
            [item].pack('U').force_encoding('utf-8')
          when Range
            [item.first, '-'.ord, item.last].pack('UUU').force_encoding('utf-8')
          end
        }.join +
      ']*$')
    else
      VALID_XML_CHARS = /^(
           [\x09\x0A\x0D\x20-\x7E]            # ASCII
         | [\xC2-\xDF][\x80-\xBF]             # non-overlong 2-byte
         |  \xE0[\xA0-\xBF][\x80-\xBF]        # excluding overlongs
         | [\xE1-\xEC\xEE][\x80-\xBF]{2}      # straight 3-byte
         |  \xEF[\x80-\xBE]{2}                #
         |  \xEF\xBF[\x80-\xBD]               # excluding U+fffe and U+ffff
         |  \xED[\x80-\x9F][\x80-\xBF]        # excluding surrogates
         |  \xF0[\x90-\xBF][\x80-\xBF]{2}     # planes 1-3
         | [\xF1-\xF3][\x80-\xBF]{3}          # planes 4-15
         |  \xF4[\x80-\x8F][\x80-\xBF]{2}     # plane 16
       )*$/nx;
    end

    # Constructor
    # +arg+ if a String, the content is set to the String.  If a Text,
    # the object is shallowly cloned.
    #
    # +respect_whitespace+ (boolean, false) if true, whitespace is
    # respected
    #
    # +parent+ (nil) if this is a Parent object, the parent
    # will be set to this.
    #
    # +raw+ (nil) This argument can be given three values.
    # If true, then the value of used to construct this object is expected to
    # contain no unescaped XML markup, and REXML will not change the text. If
    # this value is false, the string may contain any characters, and REXML will
    # escape any and all defined entities whose values are contained in the
    # text.  If this value is nil (the default), then the raw value of the
    # parent will be used as the raw value for this node.  If there is no raw
    # value for the parent, and no value is supplied, the default is false.
    # Use this field if you have entities defined for some text, and you don't
    # want REXML to escape that text in output.
    #   Text.new( "<&", false, nil, false ) #-> "&lt;&amp;"
    #   Text.new( "&lt;&amp;", false, nil, false ) #-> "&amp;lt;&amp;amp;"
    #   Text.new( "<&", false, nil, true )  #-> Parse exception
    #   Text.new( "&lt;&amp;", false, nil, true )  #-> "&lt;&amp;"
    #   # Assume that the entity "s" is defined to be "sean"
    #   # and that the entity    "r" is defined to be "russell"
    #   Text.new( "sean russell" )          #-> "&s; &r;"
    #   Text.new( "sean russell", false, nil, true ) #-> "sean russell"
    #
    # +entity_filter+ (nil) This can be an array of entities to match in the
    # supplied text.  This argument is only useful if +raw+ is set to false.
    #   Text.new( "sean russell", false, nil, false, ["s"] ) #-> "&s; russell"
    #   Text.new( "sean russell", false, nil, true, ["s"] ) #-> "sean russell"
    # In the last example, the +entity_filter+ argument is ignored.
    #
    # +illegal+ INTERNAL USE ONLY
    def initialize(arg, respect_whitespace=false, parent=nil, raw=nil,
      entity_filter=nil, illegal=NEEDS_A_SECOND_CHECK )

      @raw = false
      @parent = nil

      if parent
        super( parent )
        @raw = parent.raw
      end

      @raw = raw unless raw.nil?
      @entity_filter = entity_filter
      @normalized = @unnormalized = nil

      if arg.kind_of? String
        @string = arg.dup
        @string.squeeze!(" \n\t") unless respect_whitespace
      elsif arg.kind_of? Text
        @string = arg.to_s
        @raw = arg.raw
      elsif
        raise "Illegal argument of type #{arg.type} for Text constructor (#{arg})"
      end

      @string.gsub!( /\r\n?/, "\n" )

      Text.check(@string, illegal, doctype) if @raw
    end

    def parent= parent
      super(parent)
      Text.check(@string, NEEDS_A_SECOND_CHECK, doctype) if @raw and @parent
    end

    # check for illegal characters
    def Text.check string, pattern, doctype

      # illegal anywhere
      if string !~ VALID_XML_CHARS
        if String.method_defined? :encode
          string.chars.each do |c|
            case c.ord
            when *VALID_CHAR
            else
              raise "Illegal character #{c.inspect} in raw string \"#{string}\""
            end
          end
        else
          string.scan(/[\x00-\x7F]|[\x80-\xBF][\xC0-\xF0]*|[\xC0-\xF0]/n) do |c|
            case c.unpack('U')
            when *VALID_CHAR
            else
              raise "Illegal character #{c.inspect} in raw string \"#{string}\""
            end
          end
        end
      end

      # context sensitive
      string.scan(pattern) do
        if $1[-1] != ?;
          raise "Illegal character '#{$1}' in raw string \"#{string}\""
        elsif $1[0] == ?&
          if $5 and $5[0] == ?#
            case ($5[1] == ?x ? $5[2..-1].to_i(16) : $5[1..-1].to_i)
            when *VALID_CHAR
            else
              raise "Illegal character '#{$1}' in raw string \"#{string}\""
            end
          # FIXME: below can't work but this needs API change.
          # elsif @parent and $3 and !SUBSTITUTES.include?($1)
          #   if !doctype or !doctype.entities.has_key?($3)
          #     raise "Undeclared entity '#{$1}' in raw string \"#{string}\""
          #   end
          end
        end
      end
    end

    def node_type
      :text
    end

    def empty?
      @string.size==0
    end


    def clone
      return Text.new(self)
    end


    # Appends text to this text node.  The text is appended in the +raw+ mode
    # of this text node.
    def <<( to_append )
      @string << to_append.gsub( /\r\n?/, "\n" )
    end


    # +other+ a String or a Text
    # +returns+ the result of (to_s <=> arg.to_s)
    def <=>( other )
      to_s() <=> other.to_s
    end

    def doctype
      if @parent
        doc = @parent.document
        doc.doctype if doc
      end
    end

    REFERENCE = /#{Entity::REFERENCE}/
    # Returns the string value of this text node.  This string is always
    # escaped, meaning that it is a valid XML text node string, and all
    # entities that can be escaped, have been inserted.  This method respects
    # the entity filter set in the constructor.
    #
    #   # Assume that the entity "s" is defined to be "sean", and that the
    #   # entity "r" is defined to be "russell"
    #   t = Text.new( "< & sean russell", false, nil, false, ['s'] )
    #   t.to_s   #-> "&lt; &amp; &s; russell"
    #   t = Text.new( "< & &s; russell", false, nil, false )
    #   t.to_s   #-> "&lt; &amp; &s; russell"
    #   u = Text.new( "sean russell", false, nil, true )
    #   u.to_s   #-> "sean russell"
    def to_s
      return @string if @raw
      return @normalized if @normalized

      @normalized = Text::normalize( @string, doctype, @entity_filter )
    end

    def inspect
      @string.inspect
    end

    # Returns the string value of this text.  This is the text without
    # entities, as it might be used programmatically, or printed to the
    # console.  This ignores the 'raw' attribute setting, and any
    # entity_filter.
    #
    #   # Assume that the entity "s" is defined to be "sean", and that the
    #   # entity "r" is defined to be "russell"
    #   t = Text.new( "< & sean russell", false, nil, false, ['s'] )
    #   t.value   #-> "< & sean russell"
    #   t = Text.new( "< & &s; russell", false, nil, false )
    #   t.value   #-> "< & sean russell"
    #   u = Text.new( "sean russell", false, nil, true )
    #   u.value   #-> "sean russell"
    def value
      return @unnormalized if @unnormalized
      @unnormalized = Text::unnormalize( @string, doctype )
    end

    # Sets the contents of this text node.  This expects the text to be
    # unnormalized.  It returns self.
    #
    #   e = Element.new( "a" )
    #   e.add_text( "foo" )   # <a>foo</a>
    #   e[0].value = "bar"    # <a>bar</a>
    #   e[0].value = "<a>"    # <a>&lt;a&gt;</a>
    def value=( val )
      @string = val.gsub( /\r\n?/, "\n" )
      @unnormalized = nil
      @normalized = nil
      @raw = false
    end

     def wrap(string, width, addnewline=false)
       # Recursively wrap string at width.
       return string if string.length <= width
       place = string.rindex(' ', width) # Position in string with last ' ' before cutoff
       if addnewline then
         return "\n" + string[0,place] + "\n" + wrap(string[place+1..-1], width)
       else
         return string[0,place] + "\n" + wrap(string[place+1..-1], width)
       end
     end

    def indent_text(string, level=1, style="\t", indentfirstline=true)
      return string if level < 0
      new_string = ''
      string.each_line { |line|
        indent_string = style * level
        new_line = (indent_string + line).sub(/[\s]+$/,'')
        new_string << new_line
      }
      new_string.strip! unless indentfirstline
      return new_string
    end

    # == DEPRECATED
    # See REXML::Formatters
    #
    def write( writer, indent=-1, transitive=false, ie_hack=false )
      Kernel.warn("#{self.class.name}.write is deprecated.  See REXML::Formatters")
      formatter = if indent > -1
          REXML::Formatters::Pretty.new( indent )
        else
          REXML::Formatters::Default.new
        end
      formatter.write( self, writer )
    end

    # FIXME
    # This probably won't work properly
    def xpath
      path = @parent.xpath
      path += "/text()"
      return path
    end

    # Writes out text, substituting special characters beforehand.
    # +out+ A String, IO, or any other object supporting <<( String )
    # +input+ the text to substitute and the write out
    #
    #   z=utf8.unpack("U*")
    #   ascOut=""
    #   z.each{|r|
    #     if r <  0x100
    #       ascOut.concat(r.chr)
    #     else
    #       ascOut.concat(sprintf("&#x%x;", r))
    #     end
    #   }
    #   puts ascOut
    def write_with_substitution out, input
      copy = input.clone
      # Doing it like this rather than in a loop improves the speed
      copy.gsub!( SPECIALS[0], SUBSTITUTES[0] )
      copy.gsub!( SPECIALS[1], SUBSTITUTES[1] )
      copy.gsub!( SPECIALS[2], SUBSTITUTES[2] )
      copy.gsub!( SPECIALS[3], SUBSTITUTES[3] )
      copy.gsub!( SPECIALS[4], SUBSTITUTES[4] )
      copy.gsub!( SPECIALS[5], SUBSTITUTES[5] )
      out << copy
    end

    # Reads text, substituting entities
    def Text::read_with_substitution( input, illegal=nil )
      copy = input.clone

      if copy =~ illegal
        raise ParseException.new( "malformed text: Illegal character #$& in \"#{copy}\"" )
      end if illegal

      copy.gsub!( /\r\n?/, "\n" )
      if copy.include? ?&
        copy.gsub!( SETUTITSBUS[0], SLAICEPS[0] )
        copy.gsub!( SETUTITSBUS[1], SLAICEPS[1] )
        copy.gsub!( SETUTITSBUS[2], SLAICEPS[2] )
        copy.gsub!( SETUTITSBUS[3], SLAICEPS[3] )
        copy.gsub!( SETUTITSBUS[4], SLAICEPS[4] )
        copy.gsub!( /&#0*((?:\d+)|(?:x[a-f0-9]+));/ ) {
          m=$1
          #m='0' if m==''
          m = "0#{m}" if m[0] == ?x
          [Integer(m)].pack('U*')
        }
      end
      copy
    end

    EREFERENCE = /&(?!#{Entity::NAME};)/
    # Escapes all possible entities
    def Text::normalize( input, doctype=nil, entity_filter=nil )
      copy = input.to_s
      # Doing it like this rather than in a loop improves the speed
      #copy = copy.gsub( EREFERENCE, '&amp;' )
      copy = copy.gsub( "&", "&amp;" )
      if doctype
        # Replace all ampersands that aren't part of an entity
        doctype.entities.each_value do |entity|
          copy = copy.gsub( entity.value,
            "&#{entity.name};" ) if entity.value and
              not( entity_filter and entity_filter.include?(entity) )
        end
      else
        # Replace all ampersands that aren't part of an entity
        DocType::DEFAULT_ENTITIES.each_value do |entity|
          copy = copy.gsub(entity.value, "&#{entity.name};" )
        end
      end
      copy
    end

    # Unescapes all possible entities
    def Text::unnormalize( string, doctype=nil, filter=nil, illegal=nil )
      sum = 0
      string.gsub( /\r\n?/, "\n" ).gsub( REFERENCE ) {
        s = Text.expand($&, doctype, filter)
        if sum + s.bytesize > REXML.entity_expansion_text_limit
          raise "entity expansion has grown too large"
        else
          sum += s.bytesize
        end
        s
      }
    end

    def Text.expand(ref, doctype, filter)
      if ref[1] == ?#
        if ref[2] == ?x
          [ref[3...-1].to_i(16)].pack('U*')
        else
          [ref[2...-1].to_i].pack('U*')
        end
      elsif ref == '&amp;'
        '&'
      elsif filter and filter.include?( ref[1...-1] )
        ref
      elsif doctype
        doctype.entity( ref[1...-1] ) or ref
      else
        entity_value = DocType::DEFAULT_ENTITIES[ ref[1...-1] ]
        entity_value ? entity_value.value : ref
      end
    end
  end
end

Youez - 2016 - github.com/yon3zu
LinuXploit