Top Level Namespace

Defined Under Namespace

Modules: Digest

Instance Method Summary collapse

Instance Method Details

#Digest(name) ⇒ Object

call-seq:

Digest(name) -> digest_subclass

Returns a Digest subclass by name in a thread-safe manner even when on-demand loading is involved.

require 'digest'

Digest("MD5")
# => Digest::MD5

Digest(:SHA256)
# => Digest::SHA256

Digest(:Foo)
# => LoadError: library not found for class Digest::Foo -- digest/foo


96
97
98
99
100
101
102
103
104
105
106
107
108
109
# File 'lib/digest.rb', line 96

def Digest(name)
  const = name.to_sym
  Digest::REQUIRE_MUTEX.synchronize {
    # Ignore autoload's because it is void when we have #const_missing
    Digest.const_missing(const)
  }
rescue LoadError
  # Constants do not necessarily rely on digest/*.
  if Digest.const_defined?(const)
    Digest.const_get(const)
  else
    raise
  end
end

#digest_conf(name) ⇒ Object



3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
# File 'digest_conf.rb', line 3

def digest_conf(name)
  unless with_config("bundled-#{name}")
    cc = with_config("common-digest")
    if cc == true or /\b#{name}\b/ =~ cc
      if File.exist?("#$srcdir/#{name}cc.h") and
        have_header("CommonCrypto/CommonDigest.h")
        $defs << "-D#{name.upcase}_USE_COMMONDIGEST"
        $headers << "#{name}cc.h"
        return :commondigest
      end
    end
  end
  $objs << "#{name}.#{$OBJEXT}"
  return
end