Class | Erubis::Main |
In: |
erubis/main.rb
|
Parent: | Object |
# File erubis/main.rb, line 39 def self.main(argv=ARGV) status = 0 begin Main.new.execute(ARGV) rescue CommandOptionError => ex $stderr.puts ex.message status = 1 end exit(status) end
# File erubis/main.rb, line 50 def initialize @single_options = "hvxztTSbeBXNUC" @arg_options = "pcrfKIlaE" #C @option_names = { 'h' => :help, 'v' => :version, 'x' => :source, 'z' => :syntax, 'T' => :unexpand, 't' => :untabify, # obsolete 'S' => :intern, 'b' => :bodyonly, 'B' => :binding, 'p' => :pattern, 'c' => :context, #'C' => :class, 'e' => :escape, 'r' => :requires, 'f' => :datafiles, 'K' => :kanji, 'I' => :includes, 'l' => :lang, 'a' => :action, 'E' => :enhancers, 'X' => :notext, 'N' => :linenum, 'U' => :unique, 'C' => :compact, } assert unless @single_options.length + @arg_options.length == @option_names.length (@single_options + @arg_options).each_byte do |ch| assert unless @option_names.key?(ch.chr) end end
# File erubis/main.rb, line 86 def execute(argv=ARGV) ## parse command-line options options, properties = parse_argv(argv, @single_options, @arg_options) filenames = argv options['h'] = true if properties[:help] opts = Object.new arr = @option_names.collect {|ch, name| "def #{name}; @#{name}; end\n" } opts.instance_eval arr.join options.each do |ch, val| name = @option_names[ch] opts.instance_variable_set("@#{name}", val) end ## help, version, enhancer list if opts.help || opts.version puts version() if opts.version puts usage() if opts.help puts show_properties() if opts.help puts show_enhancers() if opts.help return end ## include path opts.includes.split(/,/).each do |path| $: << path end if opts.includes ## require library opts.requires.split(/,/).each do |library| require library end if opts.requires ## action action = opts.action action ||= 'syntax' if opts.syntax action ||= 'convert' if opts.source || opts.notext ## lang lang = opts.lang || 'ruby' action ||= 'convert' if opts.lang ## class name of Eruby #classname = opts.class classname = nil klass = get_classobj(classname, lang, properties[:pi]) ## kanji code $KCODE = opts.kanji if opts.kanji ## read context values from yaml file datafiles = opts.datafiles context = load_datafiles(datafiles, opts) ## parse context data if opts.context context = parse_context_data(opts.context, opts) end ## properties for engine properties[:escape] = true if opts.escape && !properties.key?(:escape) properties[:pattern] = opts.pattern if opts.pattern #properties[:trim] = false if opts.notrim properties[:preamble] = properties[:postamble] = false if opts.bodyonly properties[:pi] = nil if properties[:pi] == true ## create engine and extend enhancers engine = klass.new(nil, properties) enhancers = get_enhancers(opts.enhancers) #enhancers.push(Erubis::EscapeEnhancer) if opts.escape enhancers.each do |enhancer| engine.extend(enhancer) engine.bipattern = properties[:bipattern] if enhancer == Erubis::BiPatternEnhancer end ## no-text engine.extend(Erubis::NoTextEnhancer) if opts.notext ## convert and execute val = nil msg = "Syntax OK\n" if filenames && !filenames.empty? filenames.each do |filename| File.file?(filename) or raise CommandOptionError.new("#{filename}: file not found.") engine.filename = filename engine.convert!(File.read(filename)) val = do_action(action, engine, context, filename, opts) msg = nil if val end else engine.filename = filename = '(stdin)' engine.convert!($stdin.read()) val = do_action(action, engine, context, filename, opts) msg = nil if val end print msg if action == 'syntax' && msg end