1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
# frozen_string_literal: true
require "forwardable"
module HTTPX
# Internal class to abstract a string buffer, by wrapping a string and providing the
# minimum possible API and functionality required.
#
# buffer = Buffer.new(640)
# buffer.full? #=> false
# buffer << "aa"
# buffer.capacity #=> 638
#
class Buffer
extend Forwardable
def_delegator :@buffer, :to_s
def_delegator :@buffer, :to_str
def_delegator :@buffer, :empty?
def_delegator :@buffer, :bytesize
def_delegator :@buffer, :clear
def_delegator :@buffer, :replace
attr_reader :limit
if RUBY_VERSION >= "3.4.0"
def initialize(limit)
@buffer = String.new("", encoding: Encoding::BINARY, capacity: limit)
@limit = limit
end
def <<(chunk)
@buffer.append_as_bytes(chunk)
end
else
def initialize(limit)
@buffer = "".b
@limit = limit
end
def_delegator :@buffer, :<<
end
def full?
@buffer.bytesize >= @limit
end
def capacity
@limit - @buffer.bytesize
end
def shift!(fin)
@buffer = @buffer.byteslice(fin..-1) || "".b
end
end
end
|
