Module: Ark::Text

Defined in:
lib/ark/utility.rb

Overview

Methods for manipulating text

Class Method Summary collapse

Class Method Details

.wrap(text, width: 78, indent: 0, indent_after: false) ⇒ Object

Wrap a string to a given width, with an optional indent. Indented text will fall within the specified width.

text

The text to be wrapped

width

The number of columns to wrap within

indent

Indent each wrapped line of text by this number of columns



123
124
125
126
127
128
129
 
# File 'lib/ark/utility.rb', line 123

def self.wrap(text, width: 78, indent: 0, indent_after: false)
  if text.is_a?(Array)
    text = text.flatten.join(' ')
  end
  text = text.split(' ')
  self.wrap_segments(text, width: width, indent: indent, indent_after: indent_after)
end

.wrap_segments(segments, width: 78, indent: 0, indent_after: false) ⇒ Object 



94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
 
# File 'lib/ark/utility.rb', line 94

def self.wrap_segments(segments, width: 78, indent: 0, indent_after: false)
  segments = segments.flatten.map(&:to_s)
  lines = []
  line = ''
  current_indent = indent
  segments.each do |seg|
    if lines.empty? && indent_after
      current_indent = 0
    else
      current_indent = indent
    end
    if line.size + seg.size >= width
      lines << line
      line = (' ' * indent) + seg
    elsif line.empty?
      line = (' ' * current_indent) + seg
    else
      line << ' ' << seg
    end
  end
  lines << line if line
  return lines.join("\n")
end