Class: Id3Taginator::Frames::Url::UserUrlLinkFrame

Inherits:
Id3v2Frame
  • Object
show all
Includes:
HasId
Defined in:
lib/id3taginator/frames/url/wxxx_user_url_link_frame.rb

Constant Summary

Constants inherited from Id3v2Frame

Id3v2Frame::HEADER_SIZE_V_2, Id3v2Frame::HEADER_SIZE_V_3_4

Constants included from Extensions::Encodable

Extensions::Encodable::ISO8859_1, Extensions::Encodable::UNICODE_ZERO, Extensions::Encodable::UTF_16, Extensions::Encodable::UTF_16BE, Extensions::Encodable::UTF_8, Extensions::Encodable::ZERO

Instance Attribute Summary collapse

Attributes inherited from Id3v2Frame

#frame_id, #options

Class Method Summary collapse

Instance Method Summary collapse

Methods included from HasId

#frame_info, included, #supported?

Methods inherited from Id3v2Frame

build_id3_flags, build_v2_frame, build_v3_frame, build_v4_frame, #compression?, #encryption?, #file_alter_preservation?, #frame_size, #group_identity?, #initialize, #re_calc_payload_size, #read_only?, #tag_alter_preservation?, #to_bytes

Methods included from Extensions::ArgumentCheck

#argument_between_num, #argument_boolean, #argument_exactly_chars, #argument_less_than_chars, #argument_more_than_chars, #argument_not_empty, #argument_not_nil, #argument_sym, included

Methods included from Extensions::Encodable

#decode, #decode_using_encoding_byte, #default_encoding_destination_byte, #encode, #encode_and_add_encoding_byte, #encode_string, #find_encoding, #find_encoding_byte, included, #merge, #pad_left, #pad_right, #read_stream_until, #remove_trailing_zeros, #zero_byte

Constructor Details

This class inherits a constructor from Id3Taginator::Frames::Id3v2Frame

Instance Attribute Details

#description ⇒ Object

Returns the value of attribute description.



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# File 'lib/id3taginator/frames/url/wxxx_user_url_link_frame.rb', line 11

def description
  @description
end

#url ⇒ Object

Returns the value of attribute url.



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# File 'lib/id3taginator/frames/url/wxxx_user_url_link_frame.rb', line 11

def url
  @url
end

Class Method Details

.build_frame(description, url, options = nil, id3_version: 3) ⇒ Id3v2Frame

builds the custom user url link frame

Parameters:

  • description (String) —

    the description

  • url (String) —

    the url

  • options (Options::Options) (defaults to: nil) —

    options to use

  • id3_version (Integer) (defaults to: 3) —

    the id3 version to build the frame for

Returns:



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# File 'lib/id3taginator/frames/url/wxxx_user_url_link_frame.rb', line 21

def self.build_frame(description, url, options = nil, id3_version: 3)
  supported?('WXXX', id3_version, options)

  argument_not_nil(description, 'description')
  argument_not_nil(url, 'url')

  frame = new(frame_id(id3_version, options), 0, build_id3_flags(id3_version), '')
  frame.description = description
  frame.url = url
  frame
end

Instance Method Details

#content_to_bytes ⇒ Object 



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# File 'lib/id3taginator/frames/url/wxxx_user_url_link_frame.rb', line 43

def content_to_bytes
  encoded_description = encode(@description, null_terminated: true)
  merge(default_encoding_destination_byte, encoded_description, @url)
end

#process_content(content) ⇒ Object 



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# File 'lib/id3taginator/frames/url/wxxx_user_url_link_frame.rb', line 33

def process_content(content)
  content_io = StringIO.new(content)
  encoding_byte = content_io.getbyte
  encoding = find_encoding(encoding_byte)

  encoded_description = read_stream_until(content_io, zero_byte(encoding))
  @description = decode(encoded_description, encoding)
  @url = content_io.read
end