class Byebug::InfoCommand::FileCommand

Information about a particular source file

Public Class Methods

description() click to toggle source
# File lib/byebug/commands/info/file.rb, line 21
def self.description
  <<-EOD
    inf[o] f[ile]

    #{short_description}

    It informs about file name, number of lines, possible breakpoints in
    the file, last modification time and sha1 digest.
  EOD
end
regexp() click to toggle source
# File lib/byebug/commands/info/file.rb, line 17
def self.regexp
  /^\s* f(?:ile)? (?:\s+ (.+))? \s*$/x
end
short_description() click to toggle source
# File lib/byebug/commands/info/file.rb, line 32
def self.short_description
  'Information about a particular source file.'
end

Public Instance Methods

execute() click to toggle source
# File lib/byebug/commands/info/file.rb, line 36
def execute
  file = @match[1] || frame.file
  unless File.exist?(file)
    return errmsg(pr('info.errors.undefined_file', file: file))
  end

  puts prettify <<-EOC
    File #{info_file_basic(file)}

    Breakpoint line numbers: #{info_file_breakpoints(file)}

    Modification time: #{info_file_mtime(file)}

    Sha1 Signature: #{info_file_sha1(file)}
  EOC
end

Private Instance Methods

info_file_basic(file) click to toggle source
# File lib/byebug/commands/info/file.rb, line 55
def info_file_basic(file)
  path = File.expand_path(file)
  return unless File.exist?(path)

  s = n_lines(path) == 1 ? '' : 's'
  "#{path} (#{n_lines(path)} line#{s})"
end
info_file_breakpoints(file) click to toggle source
# File lib/byebug/commands/info/file.rb, line 63
def info_file_breakpoints(file)
  breakpoints = Breakpoint.potential_lines(file)
  return unless breakpoints

  breakpoints.to_a.sort.join(' ')
end
info_file_mtime(file) click to toggle source
# File lib/byebug/commands/info/file.rb, line 70
def info_file_mtime(file)
  File.stat(file).mtime
end
info_file_sha1(file) click to toggle source
# File lib/byebug/commands/info/file.rb, line 74
def info_file_sha1(file)
  require 'digest/sha1'
  Digest::SHA1.hexdigest(file)
end