RuntimeConfig

    # File lib/RuntimeConfig.rb, line 24
24:   def initialize(appName, configFile = nil)
25:     @appName = appName
26:     @config = nil
27:     @debugMode = false
28: 
29:     if configFile
30:       # Read user specified config file.
31:       if File.exist?(configFile)
32:         begin
33:           @config = YAML::load(File.read(configFile))
34:         rescue
35:           $stderr.puts "Error in config file #{configFile}: #{$!}"
36:           exit 1
37:         end
38:       else
39:         $stderr.puts "Config file #{configFile} not found!"
40:         exit 1
41:       end
42:     else
43:       # Search config files in certain directories.
44:       @path = [ '.', ENV['HOME'], '/etc' ]
45: 
46:       @path.each do |path|
47:         # Try UNIX style hidden file first, then .rc.
48:         [ "#{path}/.#{appName}rc", "#{path}/#{appName}.rc" ].each do |file|
49:           if File.exist?(file)
50:             debug("Loading #{file}")
51:             @config = YAML::load(File.read(file))
52:             debug(@config.to_s)
53:             break
54:           end
55:         end
56:         break if @config
57:       end
58:     end
59:   end

    # File lib/RuntimeConfig.rb, line 61
61:   def configure(object, section)
62:     debug("Configuring object of type #{object.class}")
63:     sections = section.split('.')
64:     p = @config
65:     sections.each do |sec|
66:       if p.nil? || !p.include?('_' + sec)
67:         debug("Section #{section} not found in config file")
68:         return false
69:       end
70:       p = p['_' + sec]
71:     end
72: 
73:     object.instance_variables.each do |iv|
74:       ivName = iv[1..1]
75:       debug("Processing class variable #{ivName}")
76:       if p.include?(ivName)
77:         debug("Setting @#{ivName} to #{p[ivName]}")
78:         object.instance_variable_set(iv, p[ivName])
79:       end
80:     end
81: 
82:     true
83:   end

    # File lib/RuntimeConfig.rb, line 87
87:   def debug(message)
88:     return unless @debugMode
89: 
90:     puts message
91:   end