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Contents
# frozen_string_literal: true
module Nanoc::Int
# Yields item reps to compile.
#
# @api private
class ItemRepSelector
def initialize(reps)
@reps = reps
end
class MicroGraph
def initialize(reps)
@reps = Set.new(reps)
@stack = []
end
def next
if @stack.any?
@stack.last
elsif @reps.any?
@reps.each { |rep| break rep }.tap do |rep|
@reps.delete(rep)
@stack.push(rep)
end
else
nil
end
end
def mark_ok
@stack.pop
end
def mark_failed(dep)
if @stack.include?(dep)
raise Nanoc::Int::Errors::DependencyCycle.new(@stack + [dep])
end
@reps.delete(dep)
@stack.push(dep)
end
end
def each
mg = MicroGraph.new(@reps)
loop do
rep = mg.next
break if rep.nil?
begin
yield(rep)
mg.mark_ok
rescue => e
actual_error = e.is_a?(Nanoc::Int::Errors::CompilationError) ? e.unwrap : e
if actual_error.is_a?(Nanoc::Int::Errors::UnmetDependency)
mg.mark_failed(actual_error.rep)
else
raise(e)
end
end
end
end
end
end
Version data entries
37 entries across 37 versions & 1 rubygems