Class: AIA::Fzf

Inherits:
Object
  • Object
show all
Defined in:
lib/aia/fzf.rb

Constant Summary collapse

DEFAULT_PARAMETERS = 
%w[
  --tabstop=2
  --header-first
  --prompt='Search term: '
  --delimiter :
  --preview-window=down:50%:wrap
]

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(list:, directory:, query: '', subject: 'Prompt IDs', prompt: 'Select one:', extension: '.md') ⇒ Fzf

Returns a new instance of Fzf.



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# File 'lib/aia/fzf.rb', line 19

def initialize(
    list:,          # Array of Strings (basenames of files w/o extension)
    directory:,     # Parent directory of the list items
    query:      '', # String, the thing be searched for
    subject:    'Prompt IDs', # or 'Role Names'
    prompt:     'Select one:',
    extension:  '.md'
  )

  @list       = list
  @directory  = directory
  @query      = query
  @subject    = subject
  @prompt     = prompt
  @extension  = extension

  build_command
end

Instance Attribute Details

#command ⇒ Object (readonly)

Returns the value of attribute command.



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# File 'lib/aia/fzf.rb', line 17

def command
  @command
end

#directory ⇒ Object (readonly)

Returns the value of attribute directory.



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# File 'lib/aia/fzf.rb', line 17

def directory
  @directory
end

#extension ⇒ Object (readonly)

Returns the value of attribute extension.



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# File 'lib/aia/fzf.rb', line 17

def extension
  @extension
end

#list ⇒ Object (readonly)

Returns the value of attribute list.



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# File 'lib/aia/fzf.rb', line 17

def list
  @list
end

#prompt ⇒ Object (readonly)

Returns the value of attribute prompt.



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# File 'lib/aia/fzf.rb', line 17

def prompt
  @prompt
end

#query ⇒ Object (readonly)

Returns the value of attribute query.



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# File 'lib/aia/fzf.rb', line 17

def query
  @query
end

#subject ⇒ Object (readonly)

Returns the value of attribute subject.



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# File 'lib/aia/fzf.rb', line 17

def subject
  @subject
end

Instance Method Details

#build_command ⇒ Object 



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# File 'lib/aia/fzf.rb', line 39

def build_command
  fzf_options = DEFAULT_PARAMETERS.dup
  escaped_dir = Shellwords.escape(directory)
  escaped_ext = Shellwords.escape(extension)
  fzf_options << "--header=#{Shellwords.escape("#{subject} which contain: #{query}\nPress ESC to cancel.")}"
  fzf_options << "--preview=#{Shellwords.escape("cat #{escaped_dir}/{1}#{escaped_ext}")}"
  fzf_options << "--prompt=#{Shellwords.escape(prompt)}"

  @fzf_args = fzf_options
end

#run ⇒ Object 



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# File 'lib/aia/fzf.rb', line 51

def run
  input = list.join("\n")
  selected, status = Open3.capture2('fzf', *@fzf_args, stdin_data: input)

  selected.strip.empty? ? nil : selected.strip
ensure
  unlink_tempfile
end