Class: Wire::ProjectYamlLoader

Inherits:
Object
  • Object
show all
Defined in:
lib/wire/model/loader.rb

Overview

ProjectYamlLoader is able to load a model from yaml files (as written by init command)

Instance Method Summary collapse

Instance Method Details

#load_model_element_file(filename) ⇒ Object

reads filename as yaml, returns elements



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# File 'lib/wire/model/loader.rb', line 45

def load_model_element_file(filename)
  YAML.load(File.open(filename, 'r'))
end

#load_project(target_dir) ⇒ Object

loads project model from target_dir



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# File 'lib/wire/model/loader.rb', line 13

def load_project(target_dir)
  # ensure target dir exists, is a dir
  fail(ArgumentError, 'Nonexisting directory') unless File.exist?(target_dir) &&
      File.directory?(target_dir)

  # create project
  project = Project.new(target_dir)

  # iterate all model element types, load if file exists
  MODEL_ELEMENTS.each do |model_element|
    filename = File.join(target_dir, "#{model_element}.yaml")

    # jump out unless file exists
    next unless File.exist?(filename) && File.readable?(filename)

    $log.debug "Loading model file #{filename}"

    element_data = load_model_element_file(filename)
    project.merge_element model_element, element_data
  end

  # dump some statistics
  puts(project.calc_stats.reduce([]) do |res, elem|
    type = elem[0]
    count = elem[1]
    res << "#{count} #{type}(s)"
  end.join(', '))

  project
end