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Path: /opt/chef/embedded/lib/ruby/gems/2.7.0/gems/chef-16.3.45/lib/chef/knife/core/

Viewing File: text_formatter.rb

#
# Author:: Daniel DeLeo (<dan@chef.io>)
# Copyright:: Copyright (c) Chef Software Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

class Chef
  class Knife
    module Core
      class TextFormatter

        attr_reader :data
        attr_reader :ui

        def initialize(data, ui)
          @ui = ui
          @data = if data.respond_to?(:display_hash)
                    data.display_hash
                  elsif data.is_a?(Array)
                    data
                  elsif data.respond_to?(:to_hash)
                    data.to_hash
                  else
                    data
                  end
        end

        def formatted_data
          @formatted_data ||= text_format(data)
        end

        def text_format(data)
          buffer = ""

          if data.respond_to?(:keys)
            justify_width = data.keys.map { |k| k.to_s.size }.max.to_i + 1
            data.sort.each do |key, value|
              # key: ['value'] should be printed as key: value
              if value.is_a?(Array) && value.size == 1 && is_singleton(value[0])
                value = value[0]
              end
              if is_singleton(value)
                # Strings are printed as key: value.
                justified_key = ui.color("#{key}:".ljust(justify_width), :cyan)
                buffer << "#{justified_key} #{value}\n"
              else
                # Arrays and hashes get indented on their own lines.
                buffer << ui.color("#{key}:\n", :cyan)
                lines = text_format(value).split("\n")
                lines.each { |line| buffer << "  #{line}\n" }
              end
            end
          elsif data.is_a?(Array)
            data.each_index do |index|
              item = data[index]
              buffer << text_format(data[index])
              # Separate items with newlines if it's an array of hashes or an
              # array of arrays
              buffer << "\n" if !is_singleton(data[index]) && index != data.size - 1
            end
          else
            buffer << "#{data}\n"
          end
          buffer
        end

        def is_singleton(value)
          !(value.is_a?(Array) || value.respond_to?(:keys))
        end
      end
    end
  end
end