Class: Lutaml::Cli::Uml::FindCommand

Inherits:
Object
  • Object
show all
Includes:
SharedHelpers
Defined in:
lib/lutaml/cli/uml/find_command.rb

Overview

FindCommand finds elements by criteria

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from SharedHelpers

#load_repository, #normalize_path

Constructor Details

#initialize(options = {}) ⇒ FindCommand

Returns a new instance of FindCommand.



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# File 'lib/lutaml/cli/uml/find_command.rb', line 15

def initialize(options = {})
  @options = options.transform_keys(&:to_sym)
end

Instance Attribute Details

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/lutaml/cli/uml/find_command.rb', line 13

def options
  @options
end

Class Method Details

.add_options_to(thor_class, _method_name) ⇒ Object 



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# File 'lib/lutaml/cli/uml/find_command.rb', line 19

def self.add_options_to(thor_class, _method_name)
  thor_class.long_desc <<-DESC
  Find elements matching specific criteria.

  Examples:
    lutaml uml find model.lur --stereotype interface
    lutaml uml find model.lur --package ModelRoot::Core
    lutaml uml find model.lur --pattern "^Building.*"
  DESC

  thor_class.option :stereotype, type: :string,
                                 desc: "Filter by stereotype"
  thor_class.option :package, type: :string, desc: "Filter by package"
  thor_class.option :pattern, type: :string, desc: "Match name pattern"
  thor_class.option :format, type: :string, default: "text",
                             desc: "Output format (text|yaml|json)"
  thor_class.option :lazy, type: :boolean, default: false,
                           desc: "Use lazy loading"
end

Instance Method Details

#run(lur_path) ⇒ Object

rubocop:disable Metrics/AbcSize,Metrics/CyclomaticComplexity,Metrics/MethodLength,Metrics/PerceivedComplexity



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# File 'lib/lutaml/cli/uml/find_command.rb', line 39

def run(lur_path) # rubocop:disable Metrics/AbcSize,Metrics/CyclomaticComplexity,Metrics/MethodLength,Metrics/PerceivedComplexity
  validate_options!

  # Load the repository from the LUR file
  repo = load_repository(lur_path, lazy: options[:lazy])

  # Get results based on the filter type
  results = if options[:pattern] # e.g. "^Building.*"
              types = [options[:type] || :class]
              repo.search(options[:pattern], types: types)
            elsif options[:stereotype]
              repo.find_classes_by_stereotype(options[:stereotype])
            elsif options[:package]
              repo.classes_in_package(options[:package],
                                      recursive: false)
            else
              []
            end

  # Extract classes from the nested structure
  classes = case results
            when Array
              if results.length == 2 && results[0] == :classes
                results[1]  # Extract the actual classes array
              else
                results     # Assume it's already an array of classes
              end
            when NilClass
              []
            else
              [results]     # Wrap single result in array
            end

  if classes.nil? || classes.empty?
    filter_desc = if options[:pattern]
                    "pattern: #{options[:pattern]}"
                  elsif options[:stereotype]
                    "stereotype: #{options[:stereotype]}"
                  elsif options[:package]
                    "package: #{options[:package]}"
                  else
                    "criteria"
                  end
    puts "No elements found matching #{filter_desc}"
    return
  end

  output = classes.map do |cls|
    cls.respond_to?(:name) ? (cls.name || cls.to_s) : cls.to_s
  end

  # output result based on the format option
  case options[:format]
  when "json"
    puts output.to_json
  when "yaml"
    puts output.to_yaml
  else
    puts output.join("\n")
  end
rescue Thor::Error
  raise
rescue ArgumentError => e
  raise Thor::Error, e.message
rescue StandardError => e
  raise Thor::Error, "Find command failed: #{e.message}"
end