# File lib/chef/knife/core/text_formatter.rb, line 40 def formatted_data @formatted_data ||= text_format(data) end
# File lib/chef/knife/core/text_formatter.rb, line 82 def indent_key_value(key, value, justify_width, indent) lines = value.to_s.split("\n") if lines.size > 1 total_indent = (2 * indent) + justify_width + 1 indent_line("#{key} #{lines.shift}", indent) << lines.map {|l| (" " * total_indent) + l << "\n" }.join("") else indent_line("#{key} #{stringify_value(value)}", indent) end end
# File lib/chef/knife/core/text_formatter.rb, line 78 def indent_line(string, indent) (" " * indent) << "#{string}\n" end
Ruby 1.8 Strings include enumberable, which is not what we want. So we have this heuristic to detect hashes and arrays instead.
# File lib/chef/knife/core/text_formatter.rb, line 74 def should_enumerate?(value) ((value.respond_to?(:keys) && !value.empty? ) || ( value.kind_of?(Array) && (value.size > 1 || should_enumerate?(value.first) ))) end
# File lib/chef/knife/core/text_formatter.rb, line 92 def stringify_value(data) data.kind_of?(String) ? data : data.to_s end
# File lib/chef/knife/core/text_formatter.rb, line 44 def text_format(data, indent=0) buffer = '' if data.respond_to?(:keys) justify_width = data.keys.map {|k| k.to_s.size }.max.to_i + 2 data.sort.each do |key, value| justified_key = ui.color("#{key}:".ljust(justify_width), :cyan) if should_enumerate?(value) buffer << indent_line(justified_key, indent) buffer << text_format(value, indent + 1) else buffer << indent_key_value(justified_key, value, justify_width, indent) end end elsif data.kind_of?(Array) data.each do |item| if should_enumerate?(data) buffer << text_format(item, indent + 1) else buffer << indent_line(item, indent) end end else buffer << indent_line(stringify_value(data), indent) end buffer end
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