Class: GEPUB::Package::IDPool

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

Instance Method Summary collapse

Constructor Details

#initialize ⇒ IDPool

Returns a new instance of IDPool.



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# File 'lib/gepub/package.rb', line 42

def initialize
  @pool = {}
  @counter = {}
end

Instance Method Details

#[](k) ⇒ Object 



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# File 'lib/gepub/package.rb', line 76

def [](k)
  @pool[k]
end

#[]=(k, v) ⇒ Object 



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# File 'lib/gepub/package.rb', line 79

def []=(k,v)
  @pool[k] = v
end

#counter(prefix, suffix) ⇒ Object 



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# File 'lib/gepub/package.rb', line 47

def counter(prefix,suffix)
  @counter[prefix + '////' + suffix]
end

#generate_key(param = {}) ⇒ Object 



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# File 'lib/gepub/package.rb', line 55

def generate_key(param = {})
  prefix = param[:prefix] || ''
  suffix = param[:suffix] || ''
  count = [ param[:start] || 1, counter(prefix,suffix) || 1].max
  while (true)
    if param[:without_count]
      k = prefix + suffix
      count -= 1
      param.delete(:without_count)
    else
      k = prefix + count.to_s + suffix
    end
    if @pool[k].nil?
      set_counter(prefix,suffix, count + 1)
      return k
    end
    count += 1
  end

end

#set_counter(prefix, suffix, val) ⇒ Object 



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# File 'lib/gepub/package.rb', line 51

def set_counter(prefix,suffix,val)
  @counter[prefix + '////' + suffix] = val
end