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Contents
module Sprout
module Executable
# Included by any parameters that represent
# a collection of values, rather than a single
# value.
#
# Should only be included by classes that
# extend Sprout::Executable::Param.
#
module CollectionParam
def initialize
super
@value = []
@delimiter = "+="
@option_parser_type_name = 'a,b,c'
end
# Assign the value and raise if
def value=(val)
if(val.is_a?(String) || !val.is_a?(Enumerable))
message = "The #{name} property is an Enumerable. It looks like you may have used the assignment operator (=) with (#{value.inspect}) where the append operator (<<) was expected."
raise Sprout::Errors::ExecutableError.new(message)
end
@value = val
end
# Hide the collection param if no items
# have been added to it.
def visible?
(!value.nil? && value.size > 0)
end
# Returns a shell formatted string of the collection
def to_shell
prepare if !prepared?
validate
return '' if !visible?
return @to_shell_proc.call(self) unless @to_shell_proc.nil?
return value.join(' ') if hidden_name?
return to_shell_value.collect { |val|
"#{shell_name}#{delimiter}#{val}"
}.join(' ')
end
def to_shell_value
value
end
end
end
end
Version data entries
25 entries across 25 versions & 1 rubygems