# frozen_string_literal: true

# Released under the MIT License.
# Copyright, 2018-2022, by Samuel Williams.

module Covered
	class Base
		def enable
		end
		
		def disable
		end
		
		def flush
		end
		
		def accept?(path)
			true
		end
		
		def mark(path, lineno, value)
		end
		
		def add(path, source = nil)
		end
		
		def each
		end
		
		def relative_path(path)
			path
		end
		
		def expand_path(path)
			path
		end
	end
	
	class Wrapper < Base
		def initialize(output = Base.new)
			@output = output
		end
		
		attr :output
		
		def enable
			@output.enable
		end
		
		def disable
			@output.disable
		end
		
		def flush
			@output.flush
		end
		
		def accept?(path)
			@output.accept?(path)
		end
		
		def mark(path, lineno, value)
			@output.mark(path, lineno, value)
		end
		
		def add(path, source = nil)
			@output.add(path, source = nil)
		end
		
		# @yield [Coverage] the path to the file, and the execution counts.
		def each(&block)
			@output.each(&block)
		end
		
		def relative_path(path)
			@output.relative_path(path)
		end
		
		def expand_path(path)
			@output.expand_path(path)
		end
		
		def to_h
			@output.to_enum(:each).collect{|coverage| [coverage.path, coverage]}.to_h
		end
	end
	
	class Filter < Wrapper
		def mark(path, lineno, value)
			@output.mark(path, lineno, value) if accept?(path)
		end
		
		# @yield [Coverage] the path to the file, and the execution counts.
		def each(&block)
			@output.each do |coverage|
				yield coverage if accept?(coverage.path)
			end
		end
		
		def accept?(path)
			match?(path) and super
		end
		
		def match?(path)
			true
		end
	end
end