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@@ -0,0 +1,11 @@
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# frozen_string_literal: false
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require_relative "../child"
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module REXML
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module DTD
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class AttlistDecl < Child
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START = "<!ATTLIST"
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START_RE = /^\s*#{START}/um
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PATTERN_RE = /\s*(#{START}.*?>)/um
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end
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end
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end
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@@ -0,0 +1,47 @@
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# frozen_string_literal: false
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require_relative "elementdecl"
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require_relative "entitydecl"
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require_relative "../comment"
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require_relative "notationdecl"
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require_relative "attlistdecl"
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require_relative "../parent"
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module REXML
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module DTD
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class Parser
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def Parser.parse( input )
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case input
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when String
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parse_helper input
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when File
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parse_helper input.read
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end
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end
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# Takes a String and parses it out
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def Parser.parse_helper( input )
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contents = Parent.new
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while input.size > 0
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case input
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when ElementDecl.PATTERN_RE
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match = $&
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contents << ElementDecl.new( match )
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when AttlistDecl.PATTERN_RE
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matchdata = $~
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contents << AttlistDecl.new( matchdata )
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when EntityDecl.PATTERN_RE
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matchdata = $~
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contents << EntityDecl.new( matchdata )
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when Comment.PATTERN_RE
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matchdata = $~
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contents << Comment.new( matchdata )
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when NotationDecl.PATTERN_RE
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matchdata = $~
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contents << NotationDecl.new( matchdata )
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end
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end
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contents
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end
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end
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end
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end
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@@ -0,0 +1,18 @@
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# frozen_string_literal: false
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require_relative "../child"
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module REXML
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module DTD
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class ElementDecl < Child
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START = "<!ELEMENT"
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START_RE = /^\s*#{START}/um
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# PATTERN_RE = /^\s*(#{START}.*?)>/um
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PATTERN_RE = /^\s*#{START}\s+((?:[:\w][-\.\w]*:)?[-!\*\.\w]*)(.*?)>/
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#\s*((((["']).*?\5)|[^\/'">]*)*?)(\/)?>/um, true)
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def initialize match
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@name = match[1]
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@rest = match[2]
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end
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end
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end
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end
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@@ -0,0 +1,57 @@
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# frozen_string_literal: false
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require_relative "../child"
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module REXML
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module DTD
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class EntityDecl < Child
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START = "<!ENTITY"
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START_RE = /^\s*#{START}/um
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PUBLIC = /^\s*#{START}\s+(?:%\s+)?(\w+)\s+PUBLIC\s+((["']).*?\3)\s+((["']).*?\5)\s*>/um
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SYSTEM = /^\s*#{START}\s+(?:%\s+)?(\w+)\s+SYSTEM\s+((["']).*?\3)(?:\s+NDATA\s+\w+)?\s*>/um
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PLAIN = /^\s*#{START}\s+(\w+)\s+((["']).*?\3)\s*>/um
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PERCENT = /^\s*#{START}\s+%\s+(\w+)\s+((["']).*?\3)\s*>/um
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# <!ENTITY name SYSTEM "...">
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# <!ENTITY name "...">
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def initialize src
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super()
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md = nil
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if src.match( PUBLIC )
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md = src.match( PUBLIC, true )
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@middle = "PUBLIC"
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@content = "#{md[2]} #{md[4]}"
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elsif src.match( SYSTEM )
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md = src.match( SYSTEM, true )
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@middle = "SYSTEM"
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@content = md[2]
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elsif src.match( PLAIN )
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md = src.match( PLAIN, true )
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@middle = ""
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@content = md[2]
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elsif src.match( PERCENT )
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md = src.match( PERCENT, true )
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@middle = ""
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@content = md[2]
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end
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raise ParseException.new("failed Entity match", src) if md.nil?
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@name = md[1]
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end
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def to_s
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rv = "<!ENTITY #@name "
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rv << "#@middle " if @middle.size > 0
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rv << @content
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rv
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end
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def write( output, indent )
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indent( output, indent )
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output << to_s
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end
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def EntityDecl.parse_source source, listener
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md = source.match( PATTERN_RE, true )
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thing = md[0].squeeze(" \t\n\r")
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listener.send inspect.downcase, thing
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end
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end
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end
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end
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@@ -0,0 +1,40 @@
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# frozen_string_literal: false
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require_relative "../child"
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module REXML
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module DTD
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class NotationDecl < Child
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START = "<!NOTATION"
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START_RE = /^\s*#{START}/um
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PUBLIC = /^\s*#{START}\s+(\w[\w-]*)\s+(PUBLIC)\s+((["']).*?\4)\s*>/um
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SYSTEM = /^\s*#{START}\s+(\w[\w-]*)\s+(SYSTEM)\s+((["']).*?\4)\s*>/um
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def initialize src
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super()
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if src.match( PUBLIC )
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md = src.match( PUBLIC, true )
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elsif src.match( SYSTEM )
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md = src.match( SYSTEM, true )
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else
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raise ParseException.new( "error parsing notation: no matching pattern", src )
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end
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@name = md[1]
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@middle = md[2]
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@rest = md[3]
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end
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def to_s
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"<!NOTATION #@name #@middle #@rest>"
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end
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def write( output, indent )
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indent( output, indent )
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output << to_s
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end
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def NotationDecl.parse_source source, listener
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md = source.match( PATTERN_RE, true )
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thing = md[0].squeeze(" \t\n\r")
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listener.send inspect.downcase, thing
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end
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end
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end
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end
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