Module: Yard::Yaml::Cli

Defined in:
lib/yard/yaml/cli.rb

Overview

CLI helpers to parse ‘.yardopts`/argv flags for yard-yaml.

Phase 1: Only parses configuration flags and returns a Hash suitable for Yard::Yaml::Config#apply. It does not mutate global state.

Constant Summary collapse

PREFIX = 
"--yard_yaml-"
NO_PREFIX = 
"--no-yard_yaml-"

Class Method Summary collapse

Class Method Details

.parse(argv) ⇒ Hash

Parse argv for yard-yaml flags.

Supported flags:

Parameters:

  • argv (Array<String>)

Returns:

  • (Hash) —

    normalized overrides



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# File 'lib/yard/yaml/cli.rb', line 29

def parse(argv)
  return {} if argv.nil? || argv.empty?

  overrides = {}
  i = 0
  while i < argv.length
    token = argv[i]

    if token.start_with?(NO_PREFIX)
      key = token.delete_prefix(NO_PREFIX).to_sym
      apply_bool(overrides, key, false)
      i += 1
      next
    end

    unless token.start_with?(PREFIX)
      i += 1
      next
    end

    # handle --flag=value form
    if token.include?("=")
      flag, raw = token.split("=", 2)
      key = flag.delete_prefix(PREFIX).to_sym
      apply_kv(overrides, key, raw)
      i += 1
      next
    end

    key = token.delete_prefix(PREFIX).to_sym

    case key
    when :include, :exclude
      value = argv[i + 1]
      if value.nil? || value.start_with?("--")
        warn_unknown("missing value for #{token}")
        i += 1
      else
        arr = (overrides[key] ||= [])
        arr << value.to_s
        i += 2
      end
    when :out_dir, :toc
      value = argv[i + 1]
      if value.nil? || value.start_with?("--")
        warn_unknown("missing value for #{token}")
        i += 1
      else
        overrides[key] = value.to_s
        i += 2
      end
    when :index, :front_matter, :strict, :allow_erb
      # Bare presence means true
      apply_bool(overrides, key, true)
      i += 1
    when :converter_options
      value = argv[i + 1]
      if value.nil? || value.start_with?("--")
        warn_unknown("missing value for #{token}")
        i += 1
      else
        overrides[:converter_options] = parse_converter_options(value)
        i += 2
      end
    else
      warn_unknown("unknown flag #{token}")
      i += 1
    end
  end

  overrides
end