Class: DB

Inherits:
Object
  • Object
show all
Defined in:
lib/sacrifice/db.rb

Overview

This is about the dumbest DB you can get. It’s a hash that knows how to serialize itself. Dumb, but it gets the job done.

Class Method Summary collapse

Class Method Details

.[](arg) ⇒ Object 



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# File 'lib/sacrifice/db.rb', line 8

def [](arg)
  # FIXME deep-freeze this; shallow freezing is insufficient
  result = yaml[arg]
  result.freeze
  result
end

.filename ⇒ Object 



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# File 'lib/sacrifice/db.rb', line 25

def filename
  @filename || File.join(ENV['HOME'], '.sacrificerc')
end

.filename=(f) ⇒ Object 



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# File 'lib/sacrifice/db.rb', line 29

def filename=(f)
  @cached_yaml = nil
  @filename = f
end

.update {|data| ... } ⇒ Object

Yields:

  • (data) 


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# File 'lib/sacrifice/db.rb', line 15

def update
  @cached_yaml = nil
  data = _yaml
  yield data

  # do this *before* blowing away the db
  data_as_yaml = data.to_yaml
  File.open(filename, 'w') { |f| f.write(data_as_yaml) }
end