Class: CarrierWave::Base64ImageContent::Base64StringIO

Inherits:
StringIO
  • Object
show all
Defined in:
lib/carrierwave/base64_image_content/base64_string_io.rb

Defined Under Namespace

Classes: ArgumentError

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(encoded_file) ⇒ Base64StringIO

Returns a new instance of Base64StringIO.

Parameters:

  • encoded_file (String) —

    e.g. “data:image/jpg;base64,/9j/4AAQSkZJRgABAQEASABKdhH//2Q==”

Raises:



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# File 'lib/carrierwave/base64_image_content/base64_string_io.rb', line 14

def initialize(encoded_file)
  description, encoded_bytes = encoded_file.split(',')

  raise ArgumentError unless encoded_bytes
  raise ArgumentError if encoded_bytes == '(null)'

  @file_name = Digest::SHA256.hexdigest(encoded_file)
  @file_format = get_file_format(description)
  bytes = Base64.strict_decode64(encoded_bytes)

  super(bytes)
end

Instance Attribute Details

#file_format ⇒ Object

Returns the value of attribute file_format.



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# File 'lib/carrierwave/base64_image_content/base64_string_io.rb', line 10

def file_format
  @file_format
end

#file_name ⇒ Object

Returns the value of attribute file_name.



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# File 'lib/carrierwave/base64_image_content/base64_string_io.rb', line 10

def file_name
  @file_name
end

Instance Method Details

#original_filename ⇒ Object 



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# File 'lib/carrierwave/base64_image_content/base64_string_io.rb', line 27

def original_filename
  File.basename("#{@file_name}.#{@file_format}")
end