Class: ConfigWalkinator

Inherits:
Object show all
Defined in:
lib/ceedling/config_walkinator.rb

Overview

Ceedling - Test-Centered Build System for C
ThrowTheSwitch.org
Copyright (c) 2010-25 Mike Karlesky, Mark VanderVoord, & Greg Williams
SPDX-License-Identifier: MIT

Instance Method Summary collapse

Instance Method Details

#fetch_value(*keys, hash:, default: nil) ⇒ Object 



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# File 'lib/ceedling/config_walkinator.rb', line 10

def fetch_value(*keys, hash:, default:nil)
  # Safe initial values
  value = default
  depth = 0

  # Set walk variable
  walk = hash

  # Walk into hash & extract value at requested key sequence
  keys.each { |symbol|
    # Validate that we can fetch something meaningful
    if !walk.is_a?( Hash) or !symbol.is_a?( Symbol ) or walk[symbol].nil?
      value = default
      break
    end

    # Walk into the hash one more level and update value
    depth += 1
    walk  = walk[symbol]
    value = walk
  } if !walk.nil?
  
  return value, depth
end