Module: CF::Spacing
- Included in:
- CLI
- Defined in:
- lib/cf/spacing.rb
Constant Summary collapse
- @@indentation =
0
Instance Method Summary collapse
- #indented ⇒ Object
- #justify(str, width) ⇒ Object
- #line(msg = "") ⇒ Object
- #lines(blob) ⇒ Object
- #quiet? ⇒ Boolean
- #spaced(vals) ⇒ Object
- #start_line(msg) ⇒ Object
- #tabular(*rows) ⇒ Object
- #text_width(str) ⇒ Object
- #trim_escapes(str) ⇒ Object
Instance Method Details
#indented ⇒ Object
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# File 'lib/cf/spacing.rb', line 5 def indented @@indentation += 1 yield ensure @@indentation -= 1 end |
#justify(str, width) ⇒ Object
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# File 'lib/cf/spacing.rb', line 84 def justify(str, width) trimmed = trim_escapes(str) str.ljust(width + (str.size - trimmed.size)) end |
#line(msg = "") ⇒ Object
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# File 'lib/cf/spacing.rb', line 12 def line(msg = "") return puts "" if msg.empty? start_line(msg) puts "" end |
#lines(blob) ⇒ Object
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# File 'lib/cf/spacing.rb', line 24 def lines(blob) blob.each_line do |line| start_line(line) end line end |
#quiet? ⇒ Boolean
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# File 'lib/cf/spacing.rb', line 32 def quiet? false end |
#spaced(vals) ⇒ Object
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# File 'lib/cf/spacing.rb', line 36 def spaced(vals) num = 0 vals.each do |val| line unless quiet? || num == 0 yield val num += 1 end end |
#start_line(msg) ⇒ Object
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# File 'lib/cf/spacing.rb', line 19 def start_line(msg) print " " * @@indentation unless quiet? print msg end |
#tabular(*rows) ⇒ Object
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# File 'lib/cf/spacing.rb', line 45 def tabular(*rows) spacings = [] rows.each do |row| next unless row row.each.with_index do |col, i| next unless col width = text_width(col) if !spacings[i] || width > spacings[i] spacings[i] = width end end end columns = spacings.size rows.each do |row| next unless row row.each.with_index do |col, i| next unless col start_line justify(col, spacings[i]) print " " unless i + 1 == columns end line end end |
#text_width(str) ⇒ Object
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# File 'lib/cf/spacing.rb', line 80 def text_width(str) trim_escapes(str).size end |
#trim_escapes(str) ⇒ Object
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# File 'lib/cf/spacing.rb', line 76 def trim_escapes(str) str.gsub(/\e\[\d+m/, "") end |