Prepare 2.0.0 release

CHANGELOG.md

@@ -1,5 +1,11 @@
 # Changelog
 
+## 2.0.0 (2017-10-31)
+
+- Replace RubyZip with ZipTricks as default compressor (#16)
+- Drop support for Ruby < 2.1.0 (required for zip\_tricks gem)
+- Deprecate :io\_wrapper option, you can now pass wrapper instances (#20)
+
 ## 1.3.2 (2017-10-30)
 
 - Fix circular require in workbook

lib/xlsxtream/io/zip_tricks_fibers.rb

@@ -0,0 +1,36 @@
+require "zip_tricks"
+
+module Xlsxtream
+  module IO
+    class ZipTricksFibers
+      def initialize(body)
+        @streamer = ::ZipTricks::Streamer.new(body)
+        @wf = nil
+      end
+
+      def <<(data)
+        @wf.resume(data)
+        self
+      end
+
+      def add_file(path)
+        @wf.resume(:__close__) if @wf
+
+        @wf = Fiber.new do | bytes_or_close_sym |
+          @streamer.write_deflated_file(path) do |write_sink|
+            loop do
+              break if bytes_or_close_sym == :__close__
+              write_sink << bytes_or_close_sym
+              bytes_or_close_sym = Fiber.yield
+            end
+          end
+        end
+      end
+
+      def close
+        @wf.resume(:__close__) if @wf
+        @streamer.close
+      end
+    end
+  end
+end

lib/xlsxtream/version.rb

@@ -1,3 +1,3 @@
 module Xlsxtream
-  VERSION = '1.3.2'.freeze
+  VERSION = '2.0.0'.freeze
 end