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module Sprout
module Executable
##
# Concrete param object for :file values
#
# This class is actually referenced in Excecutables with:
#
# add_param :some_name, File
#
# @see Sprout::Executable::ParameterFactory
#
class FileParam < Param
def initialize
super
@option_parser_type_name = 'FILE'
end
def shell_value
clean_path value
end
def prepare_prerequisites
if file_task_name
self.value ||= belongs_to.rake_task_name
return
end
if prerequisite?(value)
file value
belongs_to.prerequisites << value
end
end
def validate
super
if(!file_task_name && !value.nil? && !File.exists?(value))
raise Sprout::Errors::InvalidArgumentError.new "No such file or directory - #{value}"
end
end
private
def prerequisite?(file)
file && !file_is_output?(file)
end
end
end
end
Version data entries
25 entries across 25 versions & 1 rubygems