Class: FilepathList

Inherits:
Object
  • Object
show all
Includes:
Enumerable, ArrayMethods, EntriesMethods
Defined in:
lib/filepath/filepathlist.rb

Defined Under Namespace

Modules: ArrayMethods, EntriesMethods

Constant Summary collapse

SEPARATOR = 
':'.freeze

Instance Method Summary collapse

Methods included from EntriesMethods

#exclude, #map, #select

Constructor Details

#initialize(raw_entries = nil) ⇒ FilepathList

Returns a new instance of FilepathList.



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# File 'lib/filepath/filepathlist.rb', line 9

def initialize(raw_entries = nil)
	raw_entries ||= []
	@entries = raw_entries.map { |e| e.as_path }
end

Instance Method Details

#*(other_list) ⇒ Object 



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# File 'lib/filepath/filepathlist.rb', line 49

def *(other_list)
	if !other_list.is_a? FilepathList
		other_list = FilepathList.new(Array(other_list))
	end
	other_entries = other_list.entries
	paths = @entries.product(other_entries).map { |p1, p2| p1 / p2 }
	return FilepathList.new(paths)
end

#+(extra_entries) ⇒ Object 



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# File 'lib/filepath/filepathlist.rb', line 35

def +(extra_entries)
	return FilepathList.new(@entries + extra_entries.to_a)
end

#-(others) ⇒ Object 



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# File 'lib/filepath/filepathlist.rb', line 39

def -(others)
	remaining_entries = @entries - others.as_path_list.to_a

	return FilepathList.new(remaining_entries)
end

#/(extra_path) ⇒ Object 



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# File 'lib/filepath/filepathlist.rb', line 31

def /(extra_path)
	return self.map { |path| path / extra_path }
end

#<<(extra_path) ⇒ Object 



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# File 'lib/filepath/filepathlist.rb', line 45

def <<(extra_path)
	return FilepathList.new(@entries + [extra_path.as_path])
end

#==(other) ⇒ Object 



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# File 'lib/filepath/filepathlist.rb', line 101

def ==(other)
	@entries == other.as_path_list.to_a
end

#as_path_list ⇒ FilepathList

Returns the path list itself.

Returns:



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# File 'lib/filepath/filepathlist.rb', line 83

def as_path_list
	self
end

#directories ⇒ Object 



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# File 'lib/filepath/filepathlist.rb', line 27

def directories
	return select_entries(:directory)
end

#files ⇒ Object 



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# File 'lib/filepath/filepathlist.rb', line 19

def files
	return select_entries(:file)
end

#links ⇒ Object 



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# File 'lib/filepath/filepathlist.rb', line 23

def links
	return select_entries(:link)
end

#remove_common_segments ⇒ Object 



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# File 'lib/filepath/filepathlist.rb', line 58

def remove_common_segments
	all_segs = @entries.map(&:segments)
	max_length = all_segs.map(&:length).min

	idx_different = nil

	(0..max_length).each do |i|
		segment = all_segs.first[i]

		different = all_segs.any? { |segs| segs[i] != segment }
		if different
			idx_different = i
			break
		end
	end

	idx_different ||= max_length

	remaining_segs = all_segs.map { |segs| segs[idx_different..-1] }

	return FilepathList.new(remaining_segs)
end

#select_entries(type) ⇒ Object 



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# File 'lib/filepath/filepathlist.rb', line 14

def select_entries(type)
	raw_entries = @entries.delete_if { |e| !e.send(type.to_s + '?') }
	return FilepathList.new(raw_entries)
end

#to_a ⇒ Object 



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# File 'lib/filepath/filepathlist.rb', line 87

def to_a
	@entries
end

#to_s ⇒ Object 



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# File 'lib/filepath/filepathlist.rb', line 91

def to_s
	@to_s ||= @entries.map(&:to_str).join(SEPARATOR)
end