Add the --list-names option

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@6020 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Thu Mar 25 04:16:18 2004  Dave Thomas  <dave@pragprog.com>
+
+	* lib/rdoc/ri/ri_options.rb (RI::Options): Add the --list-names option,
+	  which dumps our all known names
+
 Thu Mar 25 03:57:47 2004  Dave Thomas  <dave@pragprog.com>
 
 	* lib/rdoc/ri/ri_util.rb (NameDescriptor::initialize): No longer

lib/rdoc/ri/ri_cache.rb

@@ -87,6 +87,13 @@ module RI
       res << @name
     end
 
+    # Return a list of all out method names
+    def all_method_names
+      res = @class_methods.map {|m| m.full_name }
+      @instance_methods.each {|m| res << m.full_name}
+      res
+    end
+
     private
 
     # Return a list of all our methods matching a given string.

lib/rdoc/ri/ri_display.rb

@@ -165,8 +165,7 @@ class  DefaultDisplay
 
   def list_known_classes(classes)
     if classes.empty?
-      puts "Before using ri, you need to generate documentation"
-      puts "using 'rdoc' with the --ri option"
+      warn_no_database
     else
       page do 
         @formatter.draw_line("Known classes and modules")
@@ -178,6 +177,18 @@ class  DefaultDisplay
 
   ######################################################################
 
+  def list_known_names(names)
+    if names.empty?
+      warn_no_database
+    else
+      page do 
+        names.each {|n| @formatter.raw_print_line(n)}
+      end
+    end
+  end
+
+  ######################################################################
+
   private
 
   ######################################################################
@@ -236,5 +247,10 @@ class  DefaultDisplay
     end
   end
 
-
+  ######################################################################
+  
+  def warn_no_database
+    puts "Before using ri, you need to generate documentation"
+    puts "using 'rdoc' with the --ri option"
+  end
 end  # class RiDisplay

lib/rdoc/ri/ri_driver.rb

@@ -110,6 +110,9 @@ class  RiDriver
     if @options.list_classes
       classes = @ri_reader.full_class_names
       @display.list_known_classes(classes)
+    elsif @options.list_names
+      names = @ri_reader.all_names
+      @display.list_known_names(names)
     else
       if ARGV.size.zero?
         @display.display_usage

lib/rdoc/ri/ri_formatter.rb

@@ -83,6 +83,12 @@ module RI
 
     ######################################################################
 
+    def raw_print_line(txt)
+      puts txt
+    end
+
+    ######################################################################
+
     # convert HTML entities back to ASCII
     def conv_html(txt)
       txt.

lib/rdoc/ri/ri_options.rb

@@ -21,6 +21,9 @@ module RI
     # should we just display a class list and exit
     attr_reader :list_classes
 
+    # should we display a list of all names
+    attr_reader :list_names
+
     # The width of the output line
     attr_reader :width
 
@@ -52,6 +55,10 @@ module RI
          "tell your pager to allow control characters\n" +
          "(for example using the -R option to less)"],
 
+        [ "--list-names",    "-l",   nil,
+          "List all the names known to RDoc, one per line"
+        ],
+
         [ "--no-pager",      "-T",   nil,
           "Send output directly to stdout." 
         ],
@@ -163,7 +170,8 @@ module RI
       @use_stdout   = !STDOUT.tty?
       @width        = 72
       @formatter    = RI::TextFormatter.for("plain") 
-        @list_classes = false
+      @list_classes = false
+      @list_names   = false
 
       old_argv = ARGV.dup
       if ENV["RI"]
@@ -177,10 +185,11 @@ module RI
 
         go.each do |opt, arg|
           case opt
-          when "--help"      then OptionList.usage
-          when "--no-pager"  then @use_stdout = true
-          when "--classes"   then @list_classes = true
-          when "--doc-dir"   then @doc_dir = arg
+          when "--help"       then OptionList.usage
+          when "--list-names" then @list_names = true
+          when "--no-pager"   then @use_stdout = true
+          when "--classes"    then @list_classes = true
+          when "--doc-dir"    then @doc_dir = arg
 
           when "--format"
             @formatter = RI::TextFormatter.for(arg)

lib/rdoc/ri/ri_reader.rb

@@ -58,6 +58,16 @@ module RI
       find_classes_in(res, @cache.toplevel)
     end
 
+    # return a list of all classes, modules, and methods
+    def all_names
+      res = []
+      find_names_in(res, @cache.toplevel)
+    end
+
+    # ----
+    private
+    # ----
+
     def find_classes_in(res, klass)
       classes = klass.classes_and_modules
       for c in classes
@@ -66,5 +76,16 @@ module RI
       end
       res
     end
+
+    def find_names_in(res, klass)
+      classes = klass.classes_and_modules
+      for c in classes
+        res << c.full_name
+        res.concat c.all_method_names
+        find_names_in(res, c)
+      end
+      res
+    end
+
   end
 end