Class: HTTPX::ContentType

Inherits:

Object

• Object
• HTTPX::ContentType

Defined in:

lib/httpx/response.rb

Overview

Helper class which decodes the HTTP “content-type” header.

Constant Summary

MIME_TYPE_RE =

%r{^([^/]+/[^;]+)(?:$|;)}.freeze

CHARSET_RE =

/;\s*charset=([^;]+)/i.freeze

Instance Method Summary

• #charset ⇒ Object

  returns the charset declared in the header.

• #initialize(header_value) ⇒ ContentType constructor

  A new instance of ContentType.

• #mime_type ⇒ Object

  returns the mime type declared in the header.

Constructor Details

#initialize(header_value) ⇒ ContentType

Returns a new instance of ContentType.

# File 'lib/httpx/response.rb', line 204

def initialize(header_value)
  @header_value = header_value
end

Instance Method Details

#charset ⇒ Object

returns the charset declared in the header.

ContentType.new("application/json; charset=utf-8").charset #=> "utf-8"
ContentType.new("text/plain").charset #=> nil

# File 'lib/httpx/response.rb', line 222

def charset
  return @charset if defined?(@charset)

  m = @header_value.to_s[CHARSET_RE, 1]
  m && @charset = m.strip.delete('"')
end

#mime_type ⇒ Object

returns the mime type declared in the header.

ContentType.new("application/json; charset=utf-8").mime_type #=> "application/json"

# File 'lib/httpx/response.rb', line 211

def mime_type
  return @mime_type if defined?(@mime_type)

  m = @header_value.to_s[MIME_TYPE_RE, 1]
  m && @mime_type = m.strip.downcase
end