Class: PdfExtract::Settings

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

Constant Summary collapse

@@defaults = 
{}

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Settings

Returns a new instance of Settings.



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# File 'lib/pdf.rb', line 18

def initialize
  @settings = {}
  @agents = {}
end

Class Method Details

.declare(key, opts = {}) ⇒ Object 



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# File 'lib/pdf.rb', line 9

def self.declare key, opts={}
  default_hash = {
    :default => "",
    :description => "",
    :module => ""
  }.merge(opts)
  @@defaults[key] = default_hash
end

Instance Method Details

#[](key) ⇒ Object 



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# File 'lib/pdf.rb', line 23

def [] key
  @settings[key] ||
    (@@defaults[key] && @@defaults[key][:default]) ||
    raise("Attempt to use undeclared setting \"#{key}\"")
end

#agent(key) ⇒ Object 



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# File 'lib/pdf.rb', line 46

def agent key
  @agents[key]
end

#modified ⇒ Object 



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# File 'lib/pdf.rb', line 42

def modified
  @settings
end

#set(key, value, agent = "") ⇒ Object 



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# File 'lib/pdf.rb', line 29

def set key, value, agent=""
  if @@defaults[key]
    @settings[key] = value.to_f
    @agents[key] = agent
  else
    raise "Attempt to set an undefined setting \"#{key}\""
  end
end

#unmodified ⇒ Object 



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# File 'lib/pdf.rb', line 38

def unmodified
  @@defaults.reject { |k, v| @settings[k] }
end