zip_command.rb in caxlsx-3.2.0

- old
+ new
@@ -1,73 +1,73 @@
-# encoding: UTF-8
-require 'open3'
-require 'shellwords'
-
-module Axlsx
-
-  # The ZipCommand class supports zipping the Excel file contents using
-  # a binary zip program instead of RubyZip's `Zip::OutputStream`.
-  #
-  # The methods provided here mimic `Zip::OutputStream` so that `ZipCommand` can
-  # be used as a drop-in replacement. Note that method signatures are not
-  # identical to `Zip::OutputStream`, they are only sufficiently close so that
-  # `ZipCommand` and `Zip::OutputStream` can be interchangeably used within
-  # `caxlsx`.
-  class ZipCommand
-    # Raised when the zip command exits with a non-zero status.
-    class ZipError < StandardError; end
-
-    def initialize(zip_command)
-      @current_file = nil
-      @files = []
-      @zip_command = zip_command
-    end
-
-    # Create a temporary directory for writing files to.
-    #
-    # The directory and its contents are removed at the end of the block.
-    def open(output, &block)
-      Dir.mktmpdir do |dir|
-        @dir = dir
-        block.call(self)
-        write_file
-        zip_parts(output)
-      end
-    end
-
-    # Closes the current entry and opens a new for writing.
-    def put_next_entry(entry)
-      write_file
-      @current_file = "#{@dir}/#{entry.name}"
-      @files << entry.name
-      FileUtils.mkdir_p(File.dirname(@current_file))
-    end
-
-    # Write to a buffer that will be written to the current entry
-    def write(content)
-      @buffer << content
-    end
-    alias << write
-
-    private
-
-    def write_file
-      if @current_file
-        @buffer.rewind
-        File.open(@current_file, "wb") { |f| f.write @buffer.read }
-      end
-      @current_file = nil
-      @buffer = StringIO.new
-    end
-
-    def zip_parts(output)
-      output = Shellwords.shellescape(File.absolute_path(output))
-      inputs = Shellwords.shelljoin(@files)
-      escaped_dir = Shellwords.shellescape(@dir)
-      command = "cd #{escaped_dir} && #{@zip_command} #{output} #{inputs}"
-      stdout_and_stderr, status = Open3.capture2e(command)
-      if !status.success?
-        raise(ZipError.new(stdout_and_stderr))
-      end
-    end
-  end
-end
+# encoding: UTF-8
+require 'open3'
+require 'shellwords'
+
+module Axlsx
+
+  # The ZipCommand class supports zipping the Excel file contents using
+  # a binary zip program instead of RubyZip's `Zip::OutputStream`.
+  #
+  # The methods provided here mimic `Zip::OutputStream` so that `ZipCommand` can
+  # be used as a drop-in replacement. Note that method signatures are not
+  # identical to `Zip::OutputStream`, they are only sufficiently close so that
+  # `ZipCommand` and `Zip::OutputStream` can be interchangeably used within
+  # `caxlsx`.
+  class ZipCommand
+    # Raised when the zip command exits with a non-zero status.
+    class ZipError < StandardError; end
+
+    def initialize(zip_command)
+      @current_file = nil
+      @files = []
+      @zip_command = zip_command
+    end
+
+    # Create a temporary directory for writing files to.
+    #
+    # The directory and its contents are removed at the end of the block.
+    def open(output, &block)
+      Dir.mktmpdir do |dir|
+        @dir = dir
+        block.call(self)
+        write_file
+        zip_parts(output)
+      end
+    end
+
+    # Closes the current entry and opens a new for writing.
+    def put_next_entry(entry)
+      write_file
+      @current_file = "#{@dir}/#{entry.name}"
+      @files << entry.name
+      FileUtils.mkdir_p(File.dirname(@current_file))
+    end
+
+    # Write to a buffer that will be written to the current entry
+    def write(content)
+      @buffer << content
+    end
+    alias << write
+
+    private
+
+    def write_file
+      if @current_file
+        @buffer.rewind
+        File.open(@current_file, "wb") { |f| f.write @buffer.read }
+      end
+      @current_file = nil
+      @buffer = StringIO.new
+    end
+
+    def zip_parts(output)
+      output = Shellwords.shellescape(File.absolute_path(output))
+      inputs = Shellwords.shelljoin(@files)
+      escaped_dir = Shellwords.shellescape(@dir)
+      command = "cd #{escaped_dir} && #{@zip_command} #{output} #{inputs}"
+      stdout_and_stderr, status = Open3.capture2e(command)
+      if !status.success?
+        raise(ZipError.new(stdout_and_stderr))
+      end
+    end
+  end
+end