Class: CovLoupe::OptionParsers::EnvOptionsParser

Inherits:
Object
  • Object
show all
Defined in:
lib/cov_loupe/option_parsers/env_options_parser.rb

Constant Summary collapse

ENV_VAR = 
'COV_LOUPE_OPTS'

Instance Method Summary collapse

Constructor Details

#initialize(env_var: ENV_VAR) ⇒ EnvOptionsParser

Returns a new instance of EnvOptionsParser.



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# File 'lib/cov_loupe/option_parsers/env_options_parser.rb', line 11

def initialize(env_var: ENV_VAR)
  @env_var = env_var
end

Instance Method Details

#parse_env_opts ⇒ Object 



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# File 'lib/cov_loupe/option_parsers/env_options_parser.rb', line 15

def parse_env_opts
  opts_string = ENV[@env_var]
  return [] unless opts_string && !opts_string.empty?

  begin
    Shellwords.split(opts_string)
  rescue ArgumentError => e
    raise CovLoupe::ConfigurationError, "Invalid #{@env_var} format: #{e.message}"
  end
end

#pre_scan_error_mode(argv, error_mode_normalizer: method(:normalize_error_mode)) ⇒ Object 



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# File 'lib/cov_loupe/option_parsers/env_options_parser.rb', line 26

def pre_scan_error_mode(argv, error_mode_normalizer: method(:normalize_error_mode))
  # Quick scan for --error-mode or -e to ensure early errors are logged correctly.
  # Scan in reverse so that the last occurrence (CLI) overrides earlier ones (ENV).
  i = argv.length - 1
  while i >= 0
    arg = argv[i]
    if %w[--error-mode -e].include?(arg) && argv[i + 1]
      return error_mode_normalizer.call(argv[i + 1])

    elsif arg.start_with?('--error-mode=')
      value = arg.split('=', 2)[1]
      return error_mode_normalizer.call(value)

    elsif arg.start_with?('-e') && arg.length > 2
      # Handle attached short option: -edebug
      value = arg[2..]
      return error_mode_normalizer.call(value)

    end

    i -= 1
  end
  nil
rescue
  # Ignore errors during pre-scan; they'll be caught during actual parsing
  nil
end