Module: Qcmd::Plaintext

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

Instance Method Summary collapse

Instance Method Details

#ascii_qlab ⇒ Object 



67
68
69
70
71
72
73
74
75
76
77
78
 
# File 'lib/qcmd/plaintext.rb', line 67

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

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



104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
 
# File 'lib/qcmd/plaintext.rb', line 104

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 



22
23
24
25
26
27
28
 
# File 'lib/qcmd/plaintext.rb', line 22

def columns
  @columns || (begin
                 @columns = `stty size`.split.last.to_i
               rescue
                 @columns = 80
               end)
end

#joined_wrapped(*args) ⇒ Object 



91
92
93
 
# File 'lib/qcmd/plaintext.rb', line 91

def joined_wrapped *args
  wrapped_text(*args).join("\n")
end

#log(level, message = nil) ⇒ Object 



3
4
5
6
7
8
9
10
11
 
# File 'lib/qcmd/plaintext.rb', line 3

def log level, message=nil
  if Qcmd.log_level_acheived?(level)
    if message
      puts message
    else
      puts
    end
  end
end

#pluralize(n, word) ⇒ Object 



30
31
32
 
# File 'lib/qcmd/plaintext.rb', line 30

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

#print(message = nil) ⇒ Object

display output unless absolutely silent



14
15
16
 
# File 'lib/qcmd/plaintext.rb', line 14

def print message=nil
  log(:info, message) unless Qcmd.silent?
end

#print_wrapped(line) ⇒ Object 



95
96
97
 
# File 'lib/qcmd/plaintext.rb', line 95

def print_wrapped line
  print wrapped_text(line)
end

#right_text(line) ⇒ Object 



99
100
101
102
 
# File 'lib/qcmd/plaintext.rb', line 99

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

#set_columns(value) ⇒ Object 



18
19
20
 
# File 'lib/qcmd/plaintext.rb', line 18

def set_columns value
  @columns = value
end

#split_text(left, right) ⇒ Object 



120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
 
# File 'lib/qcmd/plaintext.rb', line 120

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 



137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
 
# File 'lib/qcmd/plaintext.rb', line 137

def table headers, rows
  print
  columns = headers.map(&:size)

  # coerce row values to strings
  rows.each do |row|
    columns.each_with_index do |col, n|
      row[n] = row[n].to_s
    end
  end

  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 



34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
 
# File 'lib/qcmd/plaintext.rb', line 34

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

  unless options[:preserve_whitespace]
    text = text.gsub(/\s+/, ' ') # collapse whitespace
  end

  prefix = options[:indent] ? options[:indent] : ''

  line_width = options[:line_width]
  lines = ['']

  space = ' '
  space_size = 2
  space_left = line_width
  text.split.each do |word|
    if (word.size + space.size) >= space_left
      word       = "%s%s" % [prefix, word]
      space_left = line_width - (word.size + space_size)
      lines << ""
    else
      space_left = space_left - (word.size + space_size)
    end

    lines.last << "%s%s" % [word, space]
  end

  lines
end

#wrapped_text(*args) ⇒ Object

turn line into lines of text of columns length



81
82
83
84
85
86
87
88
89
 
# File 'lib/qcmd/plaintext.rb', line 81

def wrapped_text *args
  options = {
    :line_width => columns
  }.merge args.extract_options!

  line = args.shift

  word_wrap(line, options)
end