Class: SearchPath

Inherits:
Object show all
Includes:
Enumerable
Defined in:
lib/pik/search_path.rb

Instance Method Summary collapse

Methods included from Enumerable

#inject, #select_map

Constructor Details

#initialize(path) ⇒ SearchPath

Returns a new instance of SearchPath.



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# File 'lib/pik/search_path.rb', line 6

def initialize(path)
  @path = path.to_s.split(';').reject{|i| i.empty? }
end

Instance Method Details

#add(new_path) ⇒ Object 



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# File 'lib/pik/search_path.rb', line 35

def add(new_path)
   new_path = Pathname(new_path)
	@path.unshift new_path.to_windows.to_s
	self
end

#each ⇒ Object 



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# File 'lib/pik/search_path.rb', line 31

def each
  @path.each{|path| yield path }
end

#join ⇒ Object Also known as: to_s 



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# File 'lib/pik/search_path.rb', line 55

def join
	@path.join(';')
end

#regex(string) ⇒ Object 



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# File 'lib/pik/search_path.rb', line 60

def regex(string)
  Regexp.new(Regexp.escape(string.to_s), true)
end

#remove(old_path) ⇒ Object 



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# File 'lib/pik/search_path.rb', line 10

def remove(old_path)
   old = Pathname(old_path).expand_path
   @path = @path.reject{|dir| Pathname(dir) == old }
   @path = @path.uniq
	self
end

#replace(old_path, new_path) ⇒ Object 



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# File 'lib/pik/search_path.rb', line 17

def replace(old_path, new_path)
   old_path = Pathname(old_path)
   new_path = Pathname(new_path)
	@path.map!{|dir|
		if Pathname(dir) == old_path
				new_path.to_windows.to_s
		else
				dir 
		end
	}
   @path = @path.uniq.compact
	self
end

#replace_or_add(old_path, new_path) ⇒ Object 



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# File 'lib/pik/search_path.rb', line 41

def replace_or_add(old_path, new_path)
   if old_path.nil?
     add(new_path)
     return self
   end
   old_path = Pathname(old_path)
   new_path = Pathname(new_path)
  return self if old_path == new_path
	old_search_path = @path.dup
	replace(old_path, new_path)
	add(new_path) if @path == old_search_path
	self
end