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# File 'lib/kumogata/ext/string_ext.rb', line 48
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(<<-EOS)
@__functions__ = []
@__value_conv__ = proc do |v|
case v
when Array, Hash
v
else
v.to_s
end
end
def Fn__Base64(value)
value = {'Fn::Base64' => @__value_conv__[value]}
case @__functions__
when Array
@__functions__ << value
when Hash
@__functions__.update(value)
end
#{null.inspect}
end
def Fn__FindInMap(map_name, top_level_key, second_level_key)
value = {'Fn::FindInMap' => [
map_name, top_level_key, second_level_key].map(&@__value_conv__)}
case @__functions__
when Array
@__functions__ << value
when Hash
@__functions__.update(value)
end
#{null.inspect}
end
def Fn__GetAtt(logical_name, attr_name)
value = {'Fn::GetAtt' => [
logical_name, attr_name].map(&@__value_conv__)}
case @__functions__
when Array
@__functions__ << value
when Hash
@__functions__.update(value)
end
#{null.inspect}
end
def Fn__GetAZs(region)
value = {'Fn::GetAZs' => @__value_conv__[region]}
case @__functions__
when Array
@__functions__ << value
when Hash
@__functions__.update(value)
end
#{null.inspect}
end
def Fn__If(value)
value = {'Fn::If' => @__value_conv__[value]}
case @__functions__
when Array
@__functions__ << value
when Hash
@__functions__.update(value)
end
#{null.inspect}
end
def Fn__Select(value)
value = {'Fn::Select' => @__value_conv__[value]}
case @__functions__
when Array
@__functions__ << value
when Hash
@__functions__.update(value)
end
#{null.inspect}
end
def Ref(value)
value = {'Ref' => value}
case @__functions__
when Array
@__functions__ << value
when Hash
@__functions__.update(value)
end
#{null.inspect}
end
def _(&block)
__functions__orig = @__functions__
@__functions__ = {}
block.call if block
value = @__functions__
@__functions__ = __functions__orig
return value
end
ERB.new(#{data.inspect}, nil, #{trim_mode.inspect}).result(binding).split(#{null.inspect}).zip(@__functions__)
EOS
data = data.flatten.select {|i| not i.nil? }.map {|i|
if i.kind_of?(String)
i.lines.to_a
else
i
end
}.flatten
return {
'Fn::Join' => ['', data]
}
end
|