Class: MiniReadline::ArraySource

Inherits:
Object
  • Object
show all
Defined in:
lib/mini_readline/read_line/edit/auto_complete/array_source.rb

Overview

An array as the source for auto-complete.

Instance Method Summary collapse

Constructor Details

#initialize(options) ⇒ ArraySource

Create a new file/folder auto-data source. NOP



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# File 'lib/mini_readline/read_line/edit/auto_complete/array_source.rb', line 10

def initialize(options)
  @options = options
end

Instance Method Details

#extract_root_pivot(str) ⇒ Object

Parse the string into the two basic components.



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# File 'lib/mini_readline/read_line/edit/auto_complete/array_source.rb', line 24

def extract_root_pivot(str)
  @root, @pivot = /\S+$/ =~ str ? [$PREMATCH, $MATCH] : [str, ""]
end

#get_array ⇒ Object

Get the array of data from either an array or a block.



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# File 'lib/mini_readline/read_line/edit/auto_complete/array_source.rb', line 29

def get_array
  if (src = @options[:array_src]).is_a?(Proc)
    src.call
  else
    src || []
  end
end

#next ⇒ Object

Get the next string for auto-complete



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# File 'lib/mini_readline/read_line/edit/auto_complete/array_source.rb', line 38

def next
  @root + @cycler.next
end

#rebuild(str) ⇒ Object

Construct a new data list for auto-complete



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# File 'lib/mini_readline/read_line/edit/auto_complete/array_source.rb', line 15

def rebuild(str)
  extract_root_pivot(str)

  list = (get_array.select {|entry| entry.start_with?(@pivot)}).sort

  @cycler = list.empty? ? nil : list.cycle
end