Class: DR::Formatter

Inherits:
Object
  • Object
show all
Extended by:
Helpers
Defined in:
lib/dr/formatter/simple_formatter.rb

Defined Under Namespace

Modules: Helpers

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Helpers

wrap

Constructor Details

#initialize(meta = {}, **opts) ⇒ Formatter

Returns a new instance of Formatter.



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# File 'lib/dr/formatter/simple_formatter.rb', line 45

def initialize(meta={}, **opts)
  @meta=meta
  @opts=opts
end

Instance Attribute Details

#meta ⇒ Object

Returns the value of attribute meta.



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# File 'lib/dr/formatter/simple_formatter.rb', line 44

def meta
  @meta
end

#opts ⇒ Object

Returns the value of attribute opts.



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# File 'lib/dr/formatter/simple_formatter.rb', line 44

def opts
  @opts
end

Instance Method Details

#expand(msg, **opts) ⇒ Object 



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# File 'lib/dr/formatter/simple_formatter.rb', line 95

def expand(msg, **opts)
  recursive=opts[:recursive]
  #if recursive is :first, then we only expand once ore
  if recursive.is_a?(Integer)
    opts[:recursive]=recursive-1
    recursive=false if recursive <= 0
  end
  case msg
  when Hash
    Array(opts[:merge]).each do |key|
      if msg.key?(key)
        msg=msg.merge(msg[key])
        msg.delete(key)
      end
    end
    # we localize after merging potential out types
    localize(msg, **opts) do |lmsg|
      # localization do not count as a recursive step
      return expand(lmsg, **opts)
    end
    if recursive
      msg_exp={}
      msg.each do |k,v|
        msg_exp[k]=expand(v,**opts)
      end
      #expand may have introduced nil values
      clean_nil=opts.fetch(:clean_nil,true)
      msg_exp.delete_if {|_k,v| v==nil} if clean_nil
      msg_exp
    else
      msg
    end
  when Symbol
    opts[:symbol]||=:never
    msg=metainfo_from_symbol(msg,**opts)
    recursive ? expand(msg, **opts) : msg
  when Array
    msg=msg.map {|i| expand(i,**opts)} if recursive
    opts[:join] ? join(msg, **opts) : msg
  when String
    (nmsg=try_get_symbol(msg,**opts)) and return nmsg
    if block_given?
      yield(msg, **opts)
    else
      msg
    end
  when nil
    nil
  else
    if block_given?
      yield(msg, **opts)
    else
      #expand(msg.to_s,**opts)
      msg
    end
  end
end

#join(*args, **opts) ⇒ Object 



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# File 'lib/dr/formatter/simple_formatter.rb', line 54

def join(*args, **opts)
  opts=@opts.merge(opts)
  args=Array(args).map {|i| try_expand_symbol(i,**opts)}
  self.class.localize(*args, **opts)
end

#localize(msg, **opts) ⇒ Object 



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# File 'lib/dr/formatter/simple_formatter.rb', line 50

def localize(msg, **opts)
  self.class.localize(msg, **@opts.merge(opts))
end