Module: Qcmd::Plaintext

Included in:
Qcmd, CLI, Handler
Defined in:
lib/qcmd/plaintext.rb

Instance Method Summary collapse

Instance Method Details

#ascii_qlab ⇒ Object 



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# File 'lib/qcmd/plaintext.rb', line 38

def ascii_qlab
  ['    .::::    .::                .::      ',
   '  .::    .:: .::                .::      ',
   '.::       .::.::         .::    .::      ',
   '.::       .::.::       .::  .:: .:: .::  ',
   '.::       .::.::      .::   .:: .::   .::',
   '  .:: .: .:: .::      .::   .:: .::   .::',
   '    .:: ::   .::::::::  .:: .:::.:: .::  ',
   '         .:                              '].map {|line|
    print centered_text(line)
  }
end

#centered_text(line, char = ' ') ⇒ Object 



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# File 'lib/qcmd/plaintext.rb', line 65

def centered_text line, char=' '
  if line.size > columns && line.split(' ').all? {|chunk| chunk.size < columns}
    # wrap the text then center each line, then join
    return wrapped_text(line).map {|l| centered_text(l, char)}.join("\n")
  end

  diff = (columns - line.size)

  return line if diff < 0

  lpad = diff / 2
  rpad = diff - lpad

  "%s%s%s" % [char * lpad, line, char * rpad]
end

#columns ⇒ Object 



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# File 'lib/qcmd/plaintext.rb', line 16

def columns
  begin
    `stty size`.split.last.to_i
  rescue
    80
  end
end

#joined_wrapped_text(line) ⇒ Object 



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# File 'lib/qcmd/plaintext.rb', line 51

def joined_wrapped_text line
  wrapped_text(line).join "\n"
end

#log(message = nil) ⇒ Object 



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# File 'lib/qcmd/plaintext.rb', line 3

def log message=nil
  if message
    puts message
  else
    puts
  end
end

#pluralize(n, word) ⇒ Object 



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# File 'lib/qcmd/plaintext.rb', line 24

def pluralize n, word
  "#{n} #{n == 1 ? word : word + 's'}"
end

#print(message = nil) ⇒ Object

always output



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# File 'lib/qcmd/plaintext.rb', line 12

def print message=nil
  log(message)
end

#right_text(line) ⇒ Object 



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# File 'lib/qcmd/plaintext.rb', line 60

def right_text line
  diff = [(columns - line.size), 0].max
  "%s%s" % [' ' * diff, line]
end

#split_text(left, right) ⇒ Object 



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# File 'lib/qcmd/plaintext.rb', line 81

def split_text left, right
  diff = columns - left.size
  if (diff - right.size) < 0
    left_lines = wrapped_text(left)
    diff = columns - left_lines.last.size

    # still?
    if (diff - right.size) < 0
      diff = ''
      right = "\n" + right_text(right)
    end

    left = left_lines.join "\n"
  end
  "%s%#{diff}s" % [left, right]
end

#table(headers, rows) ⇒ Object 



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# File 'lib/qcmd/plaintext.rb', line 98

def table headers, rows
  print
  columns = headers.map(&:size)
  rows.each do |row|
    columns.each_with_index do |col, n|
      columns[n] = [col, row[n].size].max + 1
    end
  end

  row_format = columns.map {|n| "%#{n}s\t"}.join('')
  print row_format % headers
  print
  rows.each do |row|
    print row_format % row
  end
  print
end

#word_wrap(text, options = {}) ⇒ Object 



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# File 'lib/qcmd/plaintext.rb', line 28

def word_wrap(text, options={})
  options = {
    :line_width => columns
  }.merge options

  text.split("\n").collect do |line|
    line.length > options[:line_width] ? line.gsub(/(.{1,#{options[:line_width]}})(\s+|$)/, "\\1\n").strip : line
  end * "\n"
end

#wrapped_text(line) ⇒ Object

turn line into lines of text of columns length



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# File 'lib/qcmd/plaintext.rb', line 56

def wrapped_text line
  word_wrap(line, :line_width => columns).split("\n")
end