Import RDoc 3

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30249 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 51 insertions, 0 deletions

diff --git a/lib/rdoc/stats/normal.rb b/lib/rdoc/stats/normal.rb
new file mode 100644
index 0000000000..2057332b2d
--- /dev/null
+++ b/lib/rdoc/stats/normal.rb
@@ -0,0 +1,51 @@
+##
+# Stats printer that prints just the files being documented with a progress
+# bar
+
+class RDoc::Stats::Normal < RDoc::Stats::Quiet
+
+  def begin_adding # :nodoc:
+    puts "Parsing sources..."
+  end
+
+  ##
+  # Prints a file with a progress bar
+
+  def print_file files_so_far, filename
+    progress_bar = sprintf("%3d%% [%2d/%2d]  ",
+                           100 * files_so_far / @num_files,
+                           files_so_far,
+                           @num_files)
+
+    if $stdout.tty? then
+      # Print a progress bar, but make sure it fits on a single line. Filename
+      # will be truncated if necessary.
+      terminal_width = (ENV['COLUMNS'] || 80).to_i
+      max_filename_size = terminal_width - progress_bar.size
+
+      if filename.size > max_filename_size then
+        # Turn "some_long_filename.rb" to "...ong_filename.rb"
+        filename = filename[(filename.size - max_filename_size) .. -1]
+        filename[0..2] = "..."
+      end
+
+      # Pad the line with whitespaces so that leftover output from the
+      # previous line doesn't show up.
+      line = "#{progress_bar}#{filename}"
+      padding = terminal_width - line.size
+      line << (" " * padding) if padding > 0
+
+      $stdout.print("#{line}\r")
+    else
+      $stdout.puts "#{progress_bar} #{filename}"
+    end
+
+    $stdout.flush
+  end
+
+  def done_adding # :nodoc:
+    puts
+  end
+
+end
+