Module: Kumogata2::Plugin::Ruby::StringExt

Defined in:
lib/kumogata2/plugin/ruby/string_ext.rb

Instance Method Summary collapse

Instance Method Details

#encode64Object



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# File 'lib/kumogata2/plugin/ruby/string_ext.rb', line 2

def encode64
  Base64.encode64(self).delete("\n")
end

#fn_join(options = {}) ⇒ Object



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# File 'lib/kumogata2/plugin/ruby/string_ext.rb', line 16

def fn_join(options = {})
  options = {
    :undent    => true,
    :trim_mode => nil,
  }.merge(options)

  data = self.dup
  data = data.undent if options[:undent]
  trim_mode = options[:trim_mode]
  null = "\0"

  data = Object.new.instance_eval("    @__functions__ = []\n\n    @__value_conv__ = proc do |v|\n      case v\n      when Array, Hash\n        v\n      else\n        v.to_s\n      end\n    end\n\n    def Fn__Base64(value)\n      value = {'Fn::Base64' => @__value_conv__[value]}\n\n      case @__functions__\n      when Array\n        @__functions__ << value\n      when Hash\n        @__functions__.update(value)\n      end\n\n      \#{null.inspect}\n    end\n\n    def Fn__FindInMap(map_name, top_level_key, second_level_key)\n      value = {'Fn::FindInMap' => [\n        map_name, top_level_key, second_level_key].map(&@__value_conv__)}\n\n      case @__functions__\n      when Array\n        @__functions__ << value\n      when Hash\n        @__functions__.update(value)\n      end\n\n      \#{null.inspect}\n    end\n\n    def Fn__GetAtt(logical_name, attr_name)\n      value = {'Fn::GetAtt' => [\n        logical_name, attr_name].map(&@__value_conv__)}\n\n      case @__functions__\n      when Array\n        @__functions__ << value\n      when Hash\n        @__functions__.update(value)\n      end\n\n      \#{null.inspect}\n    end\n\n    def Fn__GetAZs(region)\n      value = {'Fn::GetAZs' => @__value_conv__[region]}\n\n      case @__functions__\n      when Array\n        @__functions__ << value\n      when Hash\n        @__functions__.update(value)\n      end\n\n      \#{null.inspect}\n    end\n\n    def Ref(value)\n      value = {'Ref' => value}\n\n      case @__functions__\n      when Array\n        @__functions__ << value\n      when Hash\n        @__functions__.update(value)\n      end\n\n      \#{null.inspect}\n    end\n\n    def _(&block)\n      __functions__orig = @__functions__\n      @__functions__ = {}\n      block.call if block\n      value = @__functions__\n      @__functions__ = __functions__orig\n      return value\n    end\n\n    ERB.new(\#{data.inspect}, nil, \#{trim_mode.inspect}).result(binding).split(\#{null.inspect}).zip(@__functions__)\n  EOS\n\n  data = data.flatten.select {|i| not i.nil? }.map {|i|\n    if i.kind_of?(String)\n      i.lines.to_a\n    else\n      i\n    end\n  }.flatten\n\n  return {\n    'Fn::Join' => ['', data]\n  }\nend\n")

#undentObject



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# File 'lib/kumogata2/plugin/ruby/string_ext.rb', line 6

def undent
  min_space_num = self.split("\n").delete_if {|s| s =~ /^\s*$/ }.map {|s| (s[/^\s+/] || '').length }.min

  if min_space_num and min_space_num > 0
    gsub(/^[ \t]{,#{min_space_num}}/, '')
  else
    self
  end
end