Class: Metanorma::Release::ContentHash

Inherits:
Object
  • Object
show all
Defined in:
lib/metanorma/release/content_hash.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(hex) ⇒ ContentHash

Returns a new instance of ContentHash.



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# File 'lib/metanorma/release/content_hash.rb', line 41

def initialize(hex)
  @hex = hex
  freeze
end

Class Method Details

.from_hex(hex_string) ⇒ Object 



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# File 'lib/metanorma/release/content_hash.rb', line 8

def self.from_hex(hex_string)
  new(hex_string.to_s)
end

.of_content(data) ⇒ Object 



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# File 'lib/metanorma/release/content_hash.rb', line 12

def self.of_content(data)
  new(Digest::SHA256.hexdigest(data))
end

.of_directory(directory, base: nil) ⇒ Object 



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# File 'lib/metanorma/release/content_hash.rb', line 27

def self.of_directory(directory, base: nil)
  pattern = if base
              File.join(directory,
                        "#{base}.*")
            else
              File.join(directory, "**",
                        "*")
            end
  files = Dir.glob(pattern).reject do |f|
    File.directory?(f) || f.end_with?(".zip")
  end
  of_files(files)
end

.of_file(path) ⇒ Object 



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# File 'lib/metanorma/release/content_hash.rb', line 16

def self.of_file(path)
  new(Digest::SHA256.file(path).hexdigest)
end

.of_files(paths) ⇒ Object 



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# File 'lib/metanorma/release/content_hash.rb', line 20

def self.of_files(paths)
  sorted = paths.sort
  digest = Digest::SHA256.new
  sorted.each { |p| digest << File.binread(p) }
  new(digest.hexdigest)
end

Instance Method Details

#eql?(other) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/metanorma/release/content_hash.rb', line 50

def eql?(other)
  other.is_a?(self.class) && @hex == other.to_s
end

#hash ⇒ Object 



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# File 'lib/metanorma/release/content_hash.rb', line 54

def hash
  @hex.hash
end

#to_s ⇒ Object 



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# File 'lib/metanorma/release/content_hash.rb', line 46

def to_s
  @hex
end