Class Rack::Accept::Charset
In: lib/rack/accept/charset.rb
Parent: Object

Represents an HTTP Accept-Charset header according to the HTTP 1.1 specification, and provides several convenience methods for determining acceptable character sets.

www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.2

Methods

matches   name   qvalue  

Included Modules

Header

Public Instance methods

matches(charset)

Returns an array of character sets from this header that match the given charset, ordered by precedence.

[Source]

    # File lib/rack/accept/charset.rb, line 27
27:     def matches(charset)
28:       values.select {|v|
29:         v == charset || v == '*'
30:       }.sort {|a, b|
31:         # "*" gets least precedence, any others should be equal.
32:         a == '*' ? 1 : (b == '*' ? -1 : 0)
33:       }
34:     end
name()

The name of this header.

[Source]

    # File lib/rack/accept/charset.rb, line 11
11:     def name
12:       'Accept-Charset'
13:     end
qvalue(charset)

Determines the quality factor (qvalue) of the given charset.

[Source]

    # File lib/rack/accept/charset.rb, line 16
16:     def qvalue(charset)
17:       m = matches(charset)
18:       if m.empty?
19:         charset == 'iso-8859-1' ? 1 : 0
20:       else
21:         normalize_qvalue(@qvalues[m.first])
22:       end
23:     end

[Validate]