Use dynamic widths in the rdoc summary

Author: drbrain

History.txt

@@ -10,6 +10,7 @@ otherwise noted.
     Katagiri.
   * Generator list in --help is no longer static.  Generator description comes
     from the generator's DESCRIPTION constant.
+  * Documentation summary is now displayed with dynamic width.
 * Bug fixes
   * Strip encoding comment from input to avoid overriding file comment.
     RubyForge Bug #22113 by James Gray.

lib/rdoc/stats.rb

@@ -258,22 +258,36 @@ def report
   def summary
     calculate
 
+    num_width = [@num_files, @num_items].max.to_s.length
+    nodoc_width = [
+      @undoc_attributes,
+      @undoc_classes,
+      @undoc_constants,
+      @undoc_items,
+      @undoc_methods,
+      @undoc_modules,
+    ].max.to_s.length
+
     report = []
-    report << 'Files:      %5d' % @num_files
+    report << 'Files:      %*d' % [num_width, @num_files]
+
     report << nil
-    report << 'Classes:    %5d (%5d undocumented)' % [@num_classes,
-                                                      @undoc_classes]
-    report << 'Modules:    %5d (%5d undocumented)' % [@num_modules,
-                                                      @undoc_modules]
-    report << 'Constants:  %5d (%5d undocumented)' % [@num_constants,
-                                                     @undoc_constants]
-    report << 'Attributes: %5d (%5d undocumented)' % [@num_attributes,
-                                                      @undoc_attributes]
-    report << 'Methods:    %5d (%5d undocumented)' % [@num_methods,
-                                                      @undoc_methods]
+
+    report << 'Classes:    %*d (%*d undocumented)' % [
+      num_width, @num_classes, nodoc_width, @undoc_classes]
+    report << 'Modules:    %*d (%*d undocumented)' % [
+      num_width, @num_modules, nodoc_width, @undoc_modules]
+    report << 'Constants:  %*d (%*d undocumented)' % [
+      num_width, @num_constants, nodoc_width, @undoc_constants]
+    report << 'Attributes: %*d (%*d undocumented)' % [
+      num_width, @num_attributes, nodoc_width, @undoc_attributes]
+    report << 'Methods:    %*d (%*d undocumented)' % [
+      num_width, @num_methods, nodoc_width, @undoc_methods]
+
     report << nil
-    report << 'Total:      %5d (%5d undocumented)' % [@num_items,
-                                                      @undoc_items]
+
+    report << 'Total:      %*d (%*d undocumented)' % [
+      num_width, @num_items, nodoc_width, @undoc_items]
 
     report << '%6.2f%% documented' % @percent_doc if @percent_doc
     report << nil