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Contents
module Eco
module Common
class MetaThor
class Pipe
SYM = "!"
SYMS = [SYM]
class << self
#def rex_pipes
# alternatives = Regex.escape(SYMS).join("|")
# /(#{alternatives})/g
#end
def type(str)
case str
when SYM
:standard
else
:unkown
end
end
def pipe?(str)
SYMS.include?(str)
end
def piped?(args)
args.any? do |arg|
pipe?(arg)
end
end
def split(args, pipe_to_sym: false)
args = (args && [args].flatten) || []
if piped?(args)
args.reduce([[]]) do |groups,arg|
cg = []
cg = pipe?(arg) ? cg : groups.last
cg.push(arg) if arg
groups.push(cg) if pipe?(arg)
groups
end
else
[].push(args)
end
end
end
attr_reader :type, :command
def initialize(command:)
@command = command
args = @command.source_args
@type = self.class.type(args.shift)
end
def standard?
@type == :standard
end
def command_group
command.group
end
def index
command.index
end
def input_index
return nil unless index > 0
case type
when :standard
index - 1
end
end
def input
command_group[input_index].output if input_index
end
end
end
end
end
Version data entries
16 entries across 16 versions & 1 rubygems