Class: MiniReadline::AutoFileSource

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

Overview

A flexible file source for shell emulation.

Constant Summary collapse

EXTRACT =

The regex for extraction of the root and pivot.

/("[^"\s][^"]*"?$)|(\S+$)/

Instance Method Summary collapse

Constructor Details

#initialize(_options) ⇒ AutoFileSource

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



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

def initialize(_options)
  #Do nothing here!

end

Instance Method Details

#backslash? ⇒ Boolean

Does this file name use backslashes?

Returns:

  • (Boolean) 


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# File 'lib/mini_readline/read_line/edit/auto_complete/auto_file_source.rb', line 63

def backslash?
  if @pivot.end_with?("\\")
    true
  elsif @pivot.end_with?("/")
    false
  elsif @pivot["\\"]
    true
  elsif @pivot["/"]
    false
  else
    MiniTerm.windows?
  end
end

#dress_down(name) ⇒ Object

Prepare the file name for internal use. Endemic Code Smells :reek:UtilityFunction



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# File 'lib/mini_readline/read_line/edit/auto_complete/auto_file_source.rb', line 39

def dress_down(name)
  name.gsub("\\", "/").gsub('"', '')
end

#dress_up(name) ⇒ Object

Prepare the file name for external use. Endemic Code Smells :reek:UtilityFunction



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# File 'lib/mini_readline/read_line/edit/auto_complete/auto_file_source.rb', line 46

def dress_up(name)
  dress_up_quotes(dress_up_slashes(name))
end

#dress_up_quotes(name) ⇒ Object

Dress up in quotes if needed. Endemic Code Smells :reek:UtilityFunction



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# File 'lib/mini_readline/read_line/edit/auto_complete/auto_file_source.rb', line 58

def dress_up_quotes(name)
  name[' '] ? "\"#{name}\"" : name
end

#dress_up_slashes(name) ⇒ Object

Dress up slashes and backslashes.



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# File 'lib/mini_readline/read_line/edit/auto_complete/auto_file_source.rb', line 51

def dress_up_slashes(name)
  backslash? ? name.gsub("/", "\\") : name
end

#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/auto_file_source.rb', line 27

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

#next ⇒ Object

Get the next string for auto-complete



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# File 'lib/mini_readline/read_line/edit/auto_complete/auto_file_source.rb', line 32

def next
  @root + dress_up(@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/auto_file_source.rb', line 15

def rebuild(str)
  extract_root_pivot(str)

  list = Dir.glob(dress_down(@pivot) + '*')

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