Class: Thin::Headers

Inherits:
Object
  • Object
show all
Defined in:
lib/thin/headers.rb

Overview

Store HTTP header name-value pairs direcly to a string and allow duplicated entries on some names.

Constant Summary collapse

HEADER_FORMAT = 
"%s: %s\r\n".freeze
ALLOWED_DUPLICATES = 
%w(Set-Cookie Set-Cookie2 Warning WWW-Authenticate).freeze

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Headers

Returns a new instance of Headers.



8
9
10
11
 
# File 'lib/thin/headers.rb', line 8

def initialize
  @sent = {}
  @out = []
end

Instance Method Details

#[]=(key, value) ⇒ Object

Add key: value pair to the headers. Ignore if already sent and no duplicates are allowed for this key.



16
17
18
19
20
21
22
23
24
25
26
27
28
29
 
# File 'lib/thin/headers.rb', line 16

def []=(key, value)
  if !@sent.has_key?(key) || ALLOWED_DUPLICATES.include?(key)
    @sent[key] = true
    value = case value
            when Time
              value.httpdate
            when NilClass
              return
            else
              value.to_s
            end
    @out << HEADER_FORMAT % [key, value]
  end
end

#has_key?(key) ⇒ Boolean

Returns:

  • (Boolean) 


31
32
33
 
# File 'lib/thin/headers.rb', line 31

def has_key?(key)
  @sent[key]
end

#to_s ⇒ Object 



35
36
37
 
# File 'lib/thin/headers.rb', line 35

def to_s
  @out.join
end