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/xmldecl.rb | 115 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 115 insertions(+)
 create mode 100644 jni/ruby/lib/rexml/xmldecl.rb

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

diff --git a/jni/ruby/lib/rexml/xmldecl.rb b/jni/ruby/lib/rexml/xmldecl.rb
new file mode 100644
index 0000000..465e6ab
--- /dev/null
+++ b/jni/ruby/lib/rexml/xmldecl.rb
@@ -0,0 +1,115 @@
+require 'rexml/encoding'
+require 'rexml/source'
+
+module REXML
+  # NEEDS DOCUMENTATION
+  class XMLDecl < Child
+    include Encoding
+
+    DEFAULT_VERSION = "1.0";
+    DEFAULT_ENCODING = "UTF-8";
+    DEFAULT_STANDALONE = "no";
+    START = '<\?xml';
+    STOP = '\?>';
+
+    attr_accessor :version, :standalone
+    attr_reader :writeencoding, :writethis
+
+    def initialize(version=DEFAULT_VERSION, encoding=nil, standalone=nil)
+      @writethis = true
+      @writeencoding = !encoding.nil?
+      if version.kind_of? XMLDecl
+        super()
+        @version = version.version
+        self.encoding = version.encoding
+        @writeencoding = version.writeencoding
+        @standalone = version.standalone
+      else
+        super()
+        @version = version
+        self.encoding = encoding
+        @standalone = standalone
+      end
+      @version = DEFAULT_VERSION if @version.nil?
+    end
+
+    def clone
+      XMLDecl.new(self)
+    end
+
+    # indent::
+    #   Ignored.  There must be no whitespace before an XML declaration
+    # transitive::
+    #   Ignored
+    # ie_hack::
+    #   Ignored
+    def write(writer, indent=-1, transitive=false, ie_hack=false)
+      return nil unless @writethis or writer.kind_of? Output
+      writer << START.sub(/\\/u, '')
+      writer << " #{content encoding}"
+      writer << STOP.sub(/\\/u, '')
+    end
+
+    def ==( other )
+      other.kind_of?(XMLDecl) and
+      other.version == @version and
+      other.encoding == self.encoding and
+      other.standalone == @standalone
+    end
+
+    def xmldecl version, encoding, standalone
+      @version = version
+      self.encoding = encoding
+      @standalone = standalone
+    end
+
+    def node_type
+      :xmldecl
+    end
+
+    alias :stand_alone? :standalone
+    alias :old_enc= :encoding=
+
+    def encoding=( enc )
+      if enc.nil?
+        self.old_enc = "UTF-8"
+        @writeencoding = false
+      else
+        self.old_enc = enc
+        @writeencoding = true
+      end
+      self.dowrite
+    end
+
+    # Only use this if you do not want the XML declaration to be written;
+    # this object is ignored by the XML writer.  Otherwise, instantiate your
+    # own XMLDecl and add it to the document.
+    #
+    # Note that XML 1.1 documents *must* include an XML declaration
+    def XMLDecl.default
+      rv = XMLDecl.new( "1.0" )
+      rv.nowrite
+      rv
+    end
+
+    def nowrite
+      @writethis = false
+    end
+
+    def dowrite
+      @writethis = true
+    end
+
+    def inspect
+      START.sub(/\\/u, '') + " ... " + STOP.sub(/\\/u, '')
+    end
+
+    private
+    def content(enc)
+      rv = "version='#@version'"
+      rv << " encoding='#{enc}'" if @writeencoding || enc !~ /\Autf-8\z/i
+      rv << " standalone='#@standalone'" if @standalone
+      rv
+    end
+  end
+end
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