class IOStreams::Writer
Attributes
output_stream[R]
Public Class Methods
file(file_name, original_file_name: file_name, **args, &block)
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When a Writer
supports streams, also allow it to simply support a file
# File lib/io_streams/writer.rb, line 14 def self.file(file_name, original_file_name: file_name, **args, &block) ::File.open(file_name, "wb") { |file| stream(file, original_file_name: original_file_name, **args, &block) } end
new(output_stream)
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# File lib/io_streams/writer.rb, line 25 def initialize(output_stream) @output_stream = output_stream end
open(file_name_or_io, **args, &block)
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For processing by either a file name or an open IO stream.
# File lib/io_streams/writer.rb, line 19 def self.open(file_name_or_io, **args, &block) file_name_or_io.is_a?(String) ? file(file_name_or_io, **args, &block) : stream(file_name_or_io, **args, &block) end
stream(output_stream, original_file_name: nil, **args, &block)
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When a Writer
does not support streams, we copy the stream to a local temp file and then pass that filename in for this reader.
# File lib/io_streams/writer.rb, line 5 def self.stream(output_stream, original_file_name: nil, **args, &block) Utils.temp_file_name("iostreams_writer") do |file_name| count = file(file_name, original_file_name: original_file_name, **args, &block) ::File.open(file_name, "rb") { |source| ::IO.copy_stream(source, output_stream) } count end end