Class: Rockit::HashStore

Inherits:

Object

• Object
• Rockit::HashStore

show all

Defined in:

lib/rockit/hash_store.rb

Constant Summary

DIR =

'.rockit'

FILE =

'hash'

Instance Attribute Summary (collapse)

• - (Object) dir

  Returns the value of attribute dir.

• - (Object) filename

  Returns the value of attribute filename.

Instance Method Summary (collapse)

• - (Object) [](key)
• - (Object) []=(key, value)
• - (Object) clear
• - (HashStore) initialize(dir = DIR, filename = FILE) constructor

  A new instance of HashStore.

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# File 'lib/rockit/hash_store.rb', line 10

def initialize(dir=DIR, filename=FILE)
  @dir = dir
  @filename = filename
end

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# File 'lib/rockit/hash_store.rb', line 8

def dir
  @dir
end

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# File 'lib/rockit/hash_store.rb', line 8

def filename
  @filename
end

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# File 'lib/rockit/hash_store.rb', line 21

def [](key)
  if m = File.read(filepath).match(/^#{key}:(.*)$/)
    m[1]
  end
end

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# File 'lib/rockit/hash_store.rb', line 27

def []=(key, value)
  contents = File.read(filepath)
  contents << "#{key}:#{value}\n" unless contents.gsub!(/^#{key}:.*$/, "#{key}:#{value}")
  File.open(filepath, 'w') {|f| f.write(contents) }
end

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# File 'lib/rockit/hash_store.rb', line 15

def clear
  p = File.join(@dir,@filename)
  File.delete(p) if File.exists?(p)
  Dir.rmdir(@dir) if File.exists?(@dir)
end