Put errors/exceptions into Jekyll::Errors module

lib/jekyll/command.rb

@@ -51,7 +51,7 @@ module Jekyll
       # Returns nothing
       def process_site(site)
         site.process
-      rescue Jekyll::FatalException => e
+      rescue Jekyll::Errors::FatalException => e
         Jekyll.logger.error "ERROR:", "YOUR SITE COULD NOT BE BUILT:"
         Jekyll.logger.error "", "------------------------------------"
         Jekyll.logger.error "", e.message

lib/jekyll/converters/markdown.rb

@@ -20,13 +20,32 @@ module Jekyll
               self.class.const_get(@config['markdown']).new(@config)
             else
               Jekyll.logger.error "Invalid Markdown Processor:", "#{@config['markdown']}"
-              Jekyll.logger.error "", "Valid options are [ maruku | rdiscount | kramdown | redcarpet ]"
-              raise FatalException, "Invalid Markdown Processor: #{@config['markdown']}"
+              Jekyll.logger.error "", "Valid options are [ #{valid_processors.join(" | ")} ]"
+              raise Errors::FatalException, "Invalid Markdown Processor: #{@config['markdown']}"
             end
           end
         @setup = true
       end
 
+      def valid_processors
+        %w[
+          maruku
+          rdiscount
+          kramdown
+          redcarpet
+        ] + third_party_processors
+      end
+
+      def third_party_processors
+        self.class.constants - %w[
+          KramdownParser
+          MarukuParser
+          RDiscountParser
+          RedcarpetParser
+          PRIORITIES
+        ].map(&:to_sym)
+      end
+
       def matches(ext)
         rgx = '^\.(' + @config['markdown_ext'].gsub(',','|') +')$'
         ext =~ Regexp.new(rgx, Regexp::IGNORECASE)

lib/jekyll/converters/markdown/kramdown_parser.rb

@@ -8,7 +8,7 @@ module Jekyll
         rescue LoadError
           STDERR.puts 'You are missing a library required for Markdown. Please run:'
           STDERR.puts '  $ [sudo] gem install kramdown'
-          raise FatalException.new("Missing dependency: kramdown")
+          raise Errors::FatalException.new("Missing dependency: kramdown")
         end
 
         def convert(content)

lib/jekyll/converters/markdown/maruku_parser.rb

@@ -15,7 +15,7 @@ module Jekyll
         rescue LoadError
           STDERR.puts 'You are missing a library required for Markdown. Please run:'
           STDERR.puts '  $ [sudo] gem install maruku'
-          raise FatalException.new("Missing dependency: maruku")
+          raise Errors::FatalException.new("Missing dependency: maruku")
         end
 
         def load_divs_library

lib/jekyll/converters/textile.rb

@@ -13,7 +13,7 @@ module Jekyll
       rescue LoadError
         STDERR.puts 'You are missing a library required for Textile. Please run:'
         STDERR.puts '  $ [sudo] gem install RedCloth'
-        raise FatalException.new("Missing dependency: RedCloth")
+        raise Errors::FatalException.new("Missing dependency: RedCloth")
       end
 
       def matches(ext)

lib/jekyll/errors.rb

@@ -1,5 +1,8 @@
 module Jekyll
-  class FatalException < StandardError
+  module Errors
+    class FatalException < RuntimeError
+    end
+
     class MissingDependencyException < FatalException
     end
   end

lib/jekyll/excerpt.rb

@@ -1,4 +1,3 @@
-require 'jekyll/convertible'
 require 'forwardable'
 
 module Jekyll

lib/jekyll/frontmatter_defaults.rb

@@ -1,5 +1,4 @@
 module Jekyll
-  class Configuration
   # This class handles custom defaults for YAML frontmatter settings.
   # These are set in _config.yml and apply both to internal use (e.g. layout)
   # and the data available to liquid.
@@ -145,4 +144,3 @@ module Jekyll
     end
   end
 end
-end

lib/jekyll/post.rb

@@ -166,7 +166,7 @@ module Jekyll
       path = File.join(@dir || "", name)
       msg  =  "Post '#{path}' does not have a valid date.\n"
       msg  << "Fix the date, or exclude the file or directory from being processed"
-      raise FatalException.new(msg)
+      raise Errors::FatalException.new(msg)
     end
 
     # The generated directory into which the post will be placed

lib/jekyll/site.rb

@@ -80,7 +80,7 @@ module Jekyll
       dest_pathname = Pathname.new(dest)
       Pathname.new(source).ascend do |path|
         if path == dest_pathname
-          raise FatalException.new "Destination directory cannot be or contain the Source directory."
+          raise Errors::FatalException.new "Destination directory cannot be or contain the Source directory."
         end
       end
     end
@@ -443,7 +443,7 @@ module Jekyll
     end
 
     def frontmatter_defaults
-      @frontmatter_defaults ||= Configuration::FrontmatterDefaults.new(self)
+      @frontmatter_defaults ||= FrontmatterDefaults.new(self)
     end
 
     private

test/test_command.rb

@@ -44,7 +44,7 @@ class TestCommand < Test::Unit::TestCase
     context "when fatal error occurs" do
       should "exit with non-zero error code" do
         site = Object.new
-        stub(site).process { raise Jekyll::FatalException }
+        stub(site).process { raise Jekyll::Errors::FatalException }
         error = assert_raise(SystemExit) { Command.process_site(site) }
         assert_not_equal 0, error.status
       end

test/test_post.rb

@@ -83,7 +83,7 @@ class TestPost < Test::Unit::TestCase
       end
 
       should "raise a good error on invalid post date" do
-        assert_raise Jekyll::FatalException do
+        assert_raise Jekyll::Errors::FatalException do
           @post.process("2009-27-03-foo-bar.textile")
         end
       end

test/test_site.rb

@@ -225,7 +225,7 @@ class TestSite < Test::Unit::TestCase
           Jekyll::Configuration::DEFAULTS.merge({'source' => source_dir, 'destination' => source_dir})
         end
 
-        assert_raise Jekyll::FatalException do
+        assert_raise Jekyll::Errors::FatalException do
           site = Site.new(Jekyll.configuration)
         end
       end
@@ -235,7 +235,7 @@ class TestSite < Test::Unit::TestCase
           Jekyll::Configuration::DEFAULTS.merge({'source' => source_dir, 'destination' => File.join(source_dir, "..")})
         end
 
-        assert_raise Jekyll::FatalException do
+        assert_raise Jekyll::Errors::FatalException do
           site = Site.new(Jekyll.configuration)
         end
       end
@@ -332,7 +332,7 @@ class TestSite < Test::Unit::TestCase
 
         bad_processor = "Custom::Markdown"
         s = Site.new(Jekyll.configuration.merge({ 'markdown' => bad_processor }))
-        assert_raise Jekyll::FatalException do
+        assert_raise Jekyll::Errors::FatalException do
           s.process
         end
 
@@ -352,7 +352,7 @@ class TestSite < Test::Unit::TestCase
       should 'throw FatalException at process time' do
         bad_processor = 'not a processor name'
         s = Site.new(Jekyll.configuration.merge({ 'markdown' => bad_processor }))
-        assert_raise Jekyll::FatalException do
+        assert_raise Jekyll::Errors::FatalException do
           s.process
         end
       end