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/encoding.rb | 50 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 jni/ruby/lib/rexml/encoding.rb

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

diff --git a/jni/ruby/lib/rexml/encoding.rb b/jni/ruby/lib/rexml/encoding.rb
new file mode 100644
index 0000000..1c7e79a
--- /dev/null
+++ b/jni/ruby/lib/rexml/encoding.rb
@@ -0,0 +1,50 @@
+# coding: US-ASCII
+module REXML
+  module Encoding
+    # ID ---> Encoding name
+    attr_reader :encoding
+    def encoding=(encoding)
+      encoding = encoding.name if encoding.is_a?(Encoding)
+      if encoding.is_a?(String)
+        original_encoding = encoding
+        encoding = find_encoding(encoding)
+        unless encoding
+          raise ArgumentError, "Bad encoding name #{original_encoding}"
+        end
+      end
+      return false if defined?(@encoding) and encoding == @encoding
+      if encoding
+        @encoding = encoding.upcase
+      else
+        @encoding = 'UTF-8'
+      end
+      true
+    end
+
+    def encode(string)
+      string.encode(@encoding)
+    end
+
+    def decode(string)
+      string.encode(::Encoding::UTF_8, @encoding)
+    end
+
+    private
+    def find_encoding(name)
+      case name
+      when /\Ashift-jis\z/i
+        return "SHIFT_JIS"
+      when /\ACP-(\d+)\z/
+        name = "CP#{$1}"
+      when /\AUTF-8\z/i
+        return name
+      end
+      begin
+        ::Encoding::Converter.search_convpath(name, 'UTF-8')
+      rescue ::Encoding::ConverterNotFoundError
+        return nil
+      end
+      name
+    end
+  end
+end
-- 
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