[ruby/csv] Add CSV::InvalidEncodingError

(https://github.com/ruby/csv/pull/287)

To handle encoding errors in CSV parsing with the appropriate error
class

https://github.com/ruby/csv/commit/68b44887e5

1 files changed, 9 insertions, 0 deletions

diff --git a/lib/csv.rb b/lib/csv.rb
index d4dc569b83..81fa99aa99 100644
--- a/lib/csv.rb
+++ b/lib/csv.rb
@@ -854,6 +854,15 @@ class CSV
     end
   end
 
+  # The error thrown when the parser encounters invalid encoding in CSV.
+  class InvalidEncodingError < MalformedCSVError
+    attr_reader :encoding
+    def initialize(encoding, line_number)
+      @encoding = encoding
+      super("Invalid byte sequence in #{encoding}", line_number)
+    end
+  end
+
   #
   # A FieldInfo Struct contains details about a field's position in the data
   # source it was read from.  CSV will pass this Struct to some blocks that make