class Covered::Root

Restricts coverage to a project root and converts paths relative to it.

def expand_path(path)

@returns [String] The expanded path.
@parameter path [String] The path to expand.
Expand a path relative to this root. 
def expand_path(path)
	File.expand_path(super, @path)
end

def initialize(output, path)

@parameter path [String] The root path.
@parameter output [Covered::Base] The output to wrap.
Initialize a root filter for the given path. 
def initialize(output, path)
	super(output)
	
	@path = path
end

def match?(path)

@returns [Boolean] Whether the path starts with this root.
@parameter path [String] The source path.
Whether the given path is under this root. 
def match?(path)
	path.start_with?(@path)
end

def relative_path(path)

@returns [String] The relative path when under this root, otherwise the wrapped output result.
@parameter path [String] The path to relativize.
Convert a path under this root to a relative path. 
def relative_path(path)
	if path.start_with?(@path)
		path.slice(@path.size+1, path.size)
	else
		super
	end
end