Class: Plato::Manifest

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/plato/manifest.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(contents = nil, opts = {}) ⇒ Manifest

Returns a new instance of Manifest.



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# File 'lib/plato/manifest.rb', line 7

def initialize(contents = nil, opts = {})
  opts = { :codec => opts } unless opts.is_a? Hash
  @codec = opts[:codec]

  @contents =
    if contents.nil?
      {}
    elsif contents.is_a? Hash
      contents
    elsif contents.is_a? String
      Repo.new(contents, @codec).all &opts[:filter]
    else
      raise ArgumentError, "invalid contents"
    end
end

Instance Attribute Details

#codec ⇒ Object (readonly)

Returns the value of attribute codec.



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# File 'lib/plato/manifest.rb', line 5

def codec
  @codec
end

#contents ⇒ Object (readonly)

Returns the value of attribute contents.



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# File 'lib/plato/manifest.rb', line 5

def contents
  @contents
end

Instance Method Details

#[](key) ⇒ Object 



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# File 'lib/plato/manifest.rb', line 28

def [](key)
  contents[key]
end

#[]=(key, value) ⇒ Object Also known as: store 



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# File 'lib/plato/manifest.rb', line 32

def []=(key, value)
  contents[key] = value
end

#each(&block) ⇒ Object 



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# File 'lib/plato/manifest.rb', line 53

def each(&block)
  contents.each(&block)
end

#map(new_codec = nil) ⇒ Object

if given a block, block should return a hash of the new path and new data, or nil if the file should be skipped



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# File 'lib/plato/manifest.rb', line 39

def map(new_codec = nil)
  new_contents =
    if block_given?
      @contents.inject({}) do |hash, (path, data)|
        new_path_data = yield(path, data)
        new_path_data ? hash.update(new_path_data) : hash
      end
    else
      @contents.dup
    end

  self.class.new(new_contents, new_codec || self.codec)
end

#save_to(path, codec = nil) ⇒ Object 



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# File 'lib/plato/manifest.rb', line 23

def save_to(path, codec = nil)
  repo = Repo.new(path, codec || self.codec)
  @contents.map {|path, hash| repo.save(path, hash); path }
end