class ArgParser
Public Class Methods
parse(args)
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Returns a structure describing the options.
# File lib/argparser.rb, line 40 def self.parse(args) if args.empty? puts usage exit true end # The options specified on the command line will be collected in # <b>options</b>. No defaults. Most options are optional and do not # have to be set at all. # The others must be named for each transformation or be set in the # configuration-file. options = OpenStruct.new options.target = nil op = OptionParser.new do |opts| opts.banner = usage opts.on("-d", "--debug", 'Be verbose') do $log_level = Logger::DEBUG @@log.level = $log_level end opts.on("-sOURCE", "--source=SOURCE", 'Source document (html)') do |so| options.source = so end opts.on("-oUT", "--out=GLOSSAR", 'Glossar-file (html)') do |ta| options.target = ta end opts.on("-tEMPLATE", "--template=TEMPLATE", 'Template (html)') do |tpl| options.template = tpl end opts.on("-cONFIG", "--config=CONFIG", 'Configuration-file') do |cfg| options.config = cfg end opts.on("-h", "--help", 'Show this message') do puts opts exit true end opts.on("-v", "--version", 'Show program version') do puts APPNAME.dup << ", version " << VERSION exit true end end begin op.parse!(args) rescue OptionParser::ParseError => er msg = "ERROR! Unsuitable or incomplete program-arguments" << ": %s" %er.message puts msg puts "Start this program with parameter -h or --help to see the usage-message." exit false end @@log.debug('options are ' << options.to_s) options end
usage()
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Shows the usage-message
# File lib/argparser.rb, line 103 def self::usage msg = "\n\tUsage: html2index -s input.html [-o output.html] [-c config-file] [-t template.html] [-d]" msg << "\n\n\t* Will print to stdout, if the output-file is not provided." msg << "\n\t* Adapt ~/.config/HTML2Index/config to your needs.\n\n" end