* lib/optparse.rb (OptionParser::Officious): moved from DefaultList.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@7232 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

3 files changed, 83 insertions, 45 deletions

diff --git a/ChangeLog b/ChangeLog
index efc3e8b72e..0923fdce0d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Tue Nov  9 14:27:18 2004  Nobuyoshi Nakada  <[email protected]>
+
+	* lib/optparse.rb (OptionParser::Officious): moved from DefaultList.
+
 Tue Nov  9 00:50:06 2004  Dave Thomas  <[email protected]>
 
 	* lib/rdoc/rdoc.rb: Change version numbering of RDoc and ri
@@ -46,11 +50,11 @@ Sat Nov  6 11:18:59 2004  Tadayoshi Funaba  <[email protected]>
 
 Fri Nov  5 19:07:16 2004  NARUSE, Yui  <[email protected]>
 
-        * ext/nkf: follow CVS Head of original nkf.
+	* ext/nkf: follow CVS Head of original nkf.
 
 Fri Nov  5 18:12:42 2004  Hidetoshi NAGAI  <[email protected]>
 
-	* ext/tk/lib/tk/scrollable.rb: divide Scrollable module into 
+	* ext/tk/lib/tk/scrollable.rb: divide Scrollable module into
 	  X_Scrollable and Y_Scrollable
 
 	* ext/tk/lib/tk/entry.rb: include X_Scrollable instead of Scrollable
@@ -100,8 +104,8 @@ Thu Nov  4 21:25:38 2004  Yukihiro Matsumoto  <[email protected]>
 
 Thu Nov  4 21:13:48 2004  Masaki Suketa  <[email protected]>
 
-	* ext/win32ole/win32ole.c(typelib_file_from_typelib): search "win16" 
-	  entry to get library path. 
+	* ext/win32ole/win32ole.c(typelib_file_from_typelib): search "win16"
+	  entry to get library path.
 
 	* ext/win32ole/win32ole.c(oletypelib_path): ditto.
 
@@ -140,12 +144,12 @@ Wed Nov  3 17:19:59 2004  Yukihiro Matsumoto  <[email protected]>
 
 Wed Nov  3 17:02:48 2004  Hidetoshi NAGAI  <[email protected]>
 
-	* ext/tk/lib/tk.rb: support to use different Tcl commands between 
+	* ext/tk/lib/tk.rb: support to use different Tcl commands between
 	  configure and configinfo
 
 	* ext/tk/lib/font.rb: ditto.
 
-	* ext/tk/lib/itemconfig.rb: support to use different Tcl commands 
+	* ext/tk/lib/itemconfig.rb: support to use different Tcl commands
 	  between item_configure and item_configinfo
 
 	* ext/tk/lib/itemfont.rb: ditto.
@@ -159,7 +163,7 @@ Wed Nov  3 15:38:28 2004  Kouhei Sutou  <[email protected]>
 	* test/rss/*.rb: removed tab width configuration headers.
 
 	* test/rss/test_maker_{0.9,1.0}.rb: sort -> do_sort.
-	
+
 	* lib/rss/maker/*.rb: changed API to RSS version independence.
 
 	* lib/rss/maker/base.rb
@@ -276,7 +280,7 @@ Sun Oct 31 14:18:56 2004  Minero Aoki  <[email protected]>
 
 Sat Oct 30 15:24:41 2004  Masaki Suketa  <[email protected]>
 
-	* ext/win32ole/win32ole.c: add WIN32OLE_TYPELIB class. add 
+	* ext/win32ole/win32ole.c: add WIN32OLE_TYPELIB class. add
 	  WIN32OLE#ole_typelib method.
 
 	* ext/win32ole/tests/testOLETYPELIB.rb: add WIN32OLE_TYPELIB class.
diff --git a/lib/optparse.rb b/lib/optparse.rb
index 95ed84884f..01facfe02d 100644
--- a/lib/optparse.rb
+++ b/lib/optparse.rb
@@ -718,30 +718,38 @@ class OptionParser
   DefaultList.long[''] = Switch::NoArgument.new {throw :terminate}
 
   #
-  # Default options, which never appear in option summary.
+  # OptionParser::Officious
+  # Default options for ARGV, which never appear in option summary.
+  #
+  Officious = {}
+
   #   --help
   #   Shows option summary.
+  Officious['help'] = proc do |parser|
+    Switch::NoArgument.new do
+      puts parser.help
+      exit
+    end
+  end
+
   #   --version
   #   Shows version string if (({::Version})) is defined.
-  #
-  DefaultList.long['help'] = Switch::NoArgument.new do
-    puts ARGV.options
-    exit
-  end
-  DefaultList.long['version'] = Switch::OptionalArgument.new do |pkg|
-    if pkg
-      begin
-        require 'optparse/version'
-      rescue LoadError
-        pkg = nil
-      else
-        show_version(*pkg.split(/,/))
+  Officious['version'] = proc do |parser|
+    Switch::OptionalArgument.new do |pkg|
+      if pkg
+        begin
+          require 'optparse/version'
+        rescue LoadError
+        else
+          show_version(*pkg.split(/,/)) or
+            abort("#{parser.program_name}: no version found in package #{pkg}")
+          exit
+        end
       end
+      v = parser.ver or abort("#{parser.program_name}: version unknown")
+      puts v
+      exit
     end
-    unless pkg
-      v = ARGV.options.ver and puts v
-    end
-    exit
   end
 
   # :startdoc:
@@ -809,9 +817,18 @@ class OptionParser
     @banner = banner
     @summary_width = width
     @summary_indent = indent
+    add_officious
     yield self if block_given?
   end
 
+  # :nodoc:
+  def add_officious
+    list = base()
+    Officious.each_pair do |opt, block|
+      list.long[opt] ||= block.call(self)
+    end
+  end
+
 =begin
 --- OptionParser.terminate([arg])
     Terminates option parsing. Optional parameter ((|arg|)) would be
@@ -907,7 +924,7 @@ class OptionParser
   attr_writer :version, :release
 
   def version
-    @version || (defined?(::Version) && ::Version) || (defined?(::VERSION) && ::VERSION)
+    @version || (defined?(::Version) && ::Version)
   end
 
   def release
@@ -1562,6 +1579,21 @@ class OptionParser
     s
   end
 
+=begin
+: Regexp
+  Regular expression with option.
+=end
+  accept(Regexp, %r"\A/((?:\\.|[^\\])*)/([[:alpha:]]+)?\z|.*") do |all, s, o|
+    f = 0
+    if o
+      f |= Regexp::IGNORECASE if /i/ =~ o
+      f |= Regexp::MULTILINE if /m/ =~ o
+      f |= Regexp::EXTENDED if /x/ =~ o
+      k = o.delete("^imx")
+    end
+    Regexp.new(s || all, f, k)
+  end
+
 
 =begin
 = Exceptions
@@ -1644,7 +1676,7 @@ argument.
 ((<OptionParser::ParseError>))
 =end #'#"#`#
   class NeedlessArgument < ParseError
-    const_set(:Reason, 'needles argument'.freeze)
+    const_set(:Reason, 'needless argument'.freeze)
   end
 
 =begin
diff --git a/lib/optparse/version.rb b/lib/optparse/version.rb
index 8e99836878..558d9d710b 100644
--- a/lib/optparse/version.rb
+++ b/lib/optparse/version.rb
@@ -3,45 +3,47 @@
 class << OptionParser
   def show_version(*pkg)
     progname = ARGV.options.program_name
-    show = proc do |klass, version|
-      version = version.join(".") if Array === version
+    result = false
+    show = proc do |klass, cname, version|
       str = "#{progname}"
-      str << ": #{klass}" unless klass == Object
-      str << " version #{version}"
-      case
-      when klass.const_defined?(:Release)
-        str << " (#{klass.const_get(:Release)})"
-      when klass.const_defined?(:RELEASE)
-        str << " (#{klass.const_get(:Release)})"
+      unless klass == ::Object and cname == :VERSION
+        version = version.join(".") if Array === version
+        str << ": #{klass}" unless klass == Object
+        str << " version #{version}"
+      end
+      [:Release, :RELEASE].find do |rel|
+        if klass.const_defined?(rel)
+          str << " (#{klass.const_get(rel)})"
+        end
       end
       puts str
+      result = true
     end
     if pkg.size == 1 and pkg[0] == "all"
       self.search_const(::Object, /\AV(?:ERSION|ersion)\z/) do |klass, cname, version|
         unless cname[1] == ?e and klass.const_defined?(:Version)
-          show.call(klass, version)
+          show.call(klass, cname.intern, version)
         end
       end
     else
       pkg.each do |pkg|
-        /\A[A-Z]\w*((::|\/)[A-Z]\w*)*\z/ni =~ pkg or next
         begin
-          pkg = eval(pkg)
+          pkg = pkg.split(/::|\//).inject(::Object) {|m, c| m.const_get(c)}
           v = case
               when pkg.const_defined?(:Version)
-                pkg.const_get(:Version)
+                pkg.const_get(n = :Version)
               when pkg.const_defined?(:VERSION)
-                pkg.const_get(:VERSION)
+                pkg.const_get(n = :VERSION)
               else
+                n = nil
                 "unknown"
               end
-          show.call(pkg, v)
+          show.call(pkg, n, v)
         rescue NameError
-          puts "#{progname}: #$!"
         end
       end
     end
-    exit
+    result
   end
 
   def each_const(path, klass = ::Object)