Class: FlatHash::Directory

Inherits:
Object show all
Includes:
Enumerable
Defined in:
lib/flat_hash/directory.rb

Direct Known Subclasses

Repository

Instance Method Summary collapse

Constructor Details

#initialize(serialiser, path) ⇒ Directory

Returns a new instance of Directory.



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# File 'lib/flat_hash/directory.rb', line 18

def initialize serialiser, path
  @serialiser, @path = serialiser, path
end

Instance Method Details

#<<(entry) ⇒ Object 



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# File 'lib/flat_hash/directory.rb', line 34

def << entry
  write entry.name, entry.content
end

#destroy(key) ⇒ Object 



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# File 'lib/flat_hash/directory.rb', line 30

def destroy key
  FileUtils.rm(File.join(@path,key))
end

#each ⇒ Object 



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# File 'lib/flat_hash/directory.rb', line 22

def each
  return unless File.exist?(@path)
  Dir.foreach(@path) do |path|
    basename = File.basename(path)
    yield self[basename] unless ['.','..'].include?(basename)
  end
end

#exist?(key) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/flat_hash/directory.rb', line 38

def exist? key
  File.exist?(File.join(@path,key))
end

#read(key) ⇒ Object Also known as: [] 



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# File 'lib/flat_hash/directory.rb', line 42

def read key
  File.open(File.join(@path,key)) {|io| add_key(@serialiser.read(io), key) }
end

#write(key, hash) ⇒ Object Also known as: []= 



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# File 'lib/flat_hash/directory.rb', line 48

def write key, hash
  FileUtils.mkdir_p @path
  File.open(File.join(@path,key),'w') {|io| @serialiser.write io, hash }
end