From fcbf63e62c627deae76c1b8cb8c0876c536ed811 Mon Sep 17 00:00:00 2001
From: Jari Vetoniemi <jari.vetoniemi@indooratlas.com>
Date: Mon, 16 Mar 2020 18:49:26 +0900
Subject: Fresh start

---
 jni/ruby/lib/rexml/dtd/entitydecl.rb | 56 ++++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 jni/ruby/lib/rexml/dtd/entitydecl.rb

(limited to 'jni/ruby/lib/rexml/dtd/entitydecl.rb')

diff --git a/jni/ruby/lib/rexml/dtd/entitydecl.rb b/jni/ruby/lib/rexml/dtd/entitydecl.rb
new file mode 100644
index 0000000..a9286b2
--- /dev/null
+++ b/jni/ruby/lib/rexml/dtd/entitydecl.rb
@@ -0,0 +1,56 @@
+require "rexml/child"
+module REXML
+  module DTD
+    class EntityDecl < Child
+      START = "<!ENTITY"
+      START_RE = /^\s*#{START}/um
+      PUBLIC = /^\s*#{START}\s+(?:%\s+)?(\w+)\s+PUBLIC\s+((["']).*?\3)\s+((["']).*?\5)\s*>/um
+      SYSTEM = /^\s*#{START}\s+(?:%\s+)?(\w+)\s+SYSTEM\s+((["']).*?\3)(?:\s+NDATA\s+\w+)?\s*>/um
+      PLAIN = /^\s*#{START}\s+(\w+)\s+((["']).*?\3)\s*>/um
+      PERCENT = /^\s*#{START}\s+%\s+(\w+)\s+((["']).*?\3)\s*>/um
+      # <!ENTITY name SYSTEM "...">
+      # <!ENTITY name "...">
+      def initialize src
+        super()
+        md = nil
+        if src.match( PUBLIC )
+          md = src.match( PUBLIC, true )
+          @middle = "PUBLIC"
+          @content = "#{md[2]} #{md[4]}"
+        elsif src.match( SYSTEM )
+          md = src.match( SYSTEM, true )
+          @middle = "SYSTEM"
+          @content = md[2]
+        elsif src.match( PLAIN )
+          md = src.match( PLAIN, true )
+          @middle = ""
+          @content = md[2]
+        elsif src.match( PERCENT )
+          md = src.match( PERCENT, true )
+          @middle = ""
+          @content = md[2]
+        end
+        raise ParseException.new("failed Entity match", src) if md.nil?
+        @name = md[1]
+      end
+
+      def to_s
+        rv = "<!ENTITY #@name "
+        rv << "#@middle " if @middle.size > 0
+        rv << @content
+        rv
+      end
+
+      def write( output, indent )
+        indent( output, indent )
+        output << to_s
+      end
+
+      def EntityDecl.parse_source source, listener
+        md = source.match( PATTERN_RE, true )
+        thing = md[0].squeeze(" \t\n\r")
+        listener.send inspect.downcase, thing
+      end
+    end
+  end
+end
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