[Aaron-devel-cvs] CVS: aaron/src/main aaron.rb,1.1,1.2

[Sean C. <the...@us...>]

Update of /cvsroot/aaron/aaron/src/main
In directory usw-pr-cvs1:/tmp/cvs-serv8885

Modified Files:
	aaron.rb 
Log Message:
Added args processing (GetoptLong)

Added 1st pass config file parsing


Index: aaron.rb
===================================================================
RCS file: /cvsroot/aaron/aaron/src/main/aaron.rb,v
retrieving revision 1.1
retrieving revision 1.2
diff -C2 -r1.1 -r1.2
*** aaron.rb	2001/06/29 02:09:30	1.1
--- aaron.rb	2001/07/05 11:03:16	1.2
***************
*** 61,68 ****
  #	Main file from which aaron runs
  
- puts <<AARON
- Hello World...  oh wait, my bad.  ::grin::
  
! Off to create some configuration parsing routines and testing routines.  I'll
! come back to this file in a while.  -sc
! AARON
--- 61,197 ----
  #	Main file from which aaron runs
  
  
! # Global includes/requires
! require 'getoptlong'
! 
! # Global variables
! config = Hash.new()
! 
! 
! 
! # Loads the file paths for all of the remaining configuration and libraries.
! # The phase one config file is required otherwise Aaron will not know where to
! # go inorder to find the remaining configuration files and misc modules.
! def loadPathConfig(config, path_config_file_name = "./paths.conf")
!   unless File.readable?(path_config_file_name)
!     $stderr.printf("ERROR[loadPathConfig]: The path config file \"%s\" does not exist.\n\n", path_config_file_name)
!     printHelp()
!     exit(1)
!   end
! 
!   # Load the file and parse out comments and blank lines
!   IO.foreach(path_config_file_name) do |line|
!     next if /\A\s*\#/ =~ line  # comments
!     line.gsub!(/\A\s+\z/, '')  # blank lines
!     next if line.empty?        # empty lines
!     /(.*?)\s*=\s*(.*)/ =~ line # find key/value pairs
!     config[$1] = $2
!   end
! 
!   # Expand out the various *_mod_dirs
!   config["action_mod_dir"] = config["module_path"] + "/" + config["action_mod_dir"]
!   config["response_mod_dir"] = config["module_path"] + "/" + config["response_mod_dir"]
!   config["transaction_mod_dir"] = config["module_path"] + "/" + config["transaction_mod_dir"]
! 
! 
!   return(config)
! end
! 
! 
! 
! # Prints out debugging level information
! def printDebugLevel(config)
!   print "Debug level: " << config["debug"].to_s << "\n"
! end
! 
! 
! 
! # Prints out a usage/help message
! def printHelp()
!   printf("Usage: %s [OPTIONS]\n", $0)
!   print "  -h, --help\t\tDisplay this help and exit.\n"
!   print "  -d, --debug [n]\tSet debug level to 'n'\n"
!   print "  -c, --config <config>\tPath to phase one aaron config (default \"./path.conf\")\n"
!   print "  -V, --version\t\tDisplay aaron version information\n\n"
! end
! 
! 
! 
! # Prints out the version of aaron.
! # This should pull the sticky tag, but the file's revision will work for now
! def printVersion()
!   version = "$Revision 1.0 $"
!   version = version.scan(/\$\s*Revision\s*(.*?)\s*\$/)
!   printf("%s Ver: %s\n", $0, version)
! end
! 
! 
! # Function responsible for processing arguments and setting up config
! def processArgs(config)
!   ENV["POSIXLY_CORRECT"] = "true"
! 
!   # Begin exception handling for GetoptLong
!   begin
!     opts = GetoptLong.new(
!              [ "--debug", "-d",   GetoptLong::OPTIONAL_ARGUMENT ],
!              [ "--config", "-c",  GetoptLong::REQUIRED_ARGUMENT ],
!              [ "--help", "-h",    GetoptLong::NO_ARGUMENT ],
!              [ "--version", "-V", GetoptLong::NO_ARGUMENT ]
!            )
!     opts.ordering = GetoptLong::REQUIRE_ORDER
!     opts.quiet = TRUE
!     opts.each do |opt, arg|
!       opt.sub!(/\A--/, '')
!       config[opt] = arg
!       case opt
!         when "debug"
!           config["debug"].sub!(/\D+/, '')
!           config["debug"] = "1" if config["debug"].empty?
!           config["debug"] = config["debug"].to_i
!           printDebugLevel(config)
!         when "help"
!           printHelp()
!           exit(0)
!         when "version"
!           printVersion()
!           exit(0)
!       end
!     end
! 
!     rescue GetoptLong::AmbigousOption
!       $stderr.print "Error: #{$!}\n\n"
!       printHelp()
!       exit(1)
!     rescue GetoptLong::InvalidOption
!       $stderr.print "Error: #{$!}\n\n"
!       printHelp()
!       exit(1)
!     rescue GetoptLong::MissingArgument
!       $stderr.print "Error: #{$!}\n\n"
!       printHelp()
!       exit(1)
!     rescue GetoptLong::NeedlessArgument
!       $stderr.print "Error: #{$!}\n\n"
!       printHelp()
!       exit(1)
!   end  # End exception handling
! 
!   # Provide defaults for values that aren't required on the command line
!   config["debug"] = 0 unless config.has_key?("debug")
!   config["config"] = "./paths.conf" unless config.has_key?("config")
! 
!   return(config)
! end
! 
! 
! # Like C, this is the method that contains all of the magic
! def main(config, argv)
!   config = processArgs(config)
!   config = loadPathConfig(config, config["config"])
!   config.keys.sort.each { |key| puts "Config Key: #{key}\tVal: #{config[key]}" } if config["debug"] > 0
! 
!   return(0)
! end
! 
! # This should be the last line in the program
! exit(main(config, ARGV))