Added syntax highlightment for repository files (using CodeRay).

Supported languages: c, ruby, rhtml, yaml, html, xml.

git-svn-id: http://redmine.rubyforge.org/svn/trunk@644 e93f8b46-1217-0410-a6f0-8f06a7374b81

vendor/plugins/coderay-0.7.6.227/lib/coderay/helpers/file_type.rb

@@ -0,0 +1,189 @@
+module CodeRay
+
+# = FileType
+#
+# A simple filetype recognizer.
+#
+# Copyright (c) 2006 by murphy (Kornelius Kalnbach) <murphy rubychan de>
+#
+# License:: LGPL / ask the author
+# Version:: 0.1 (2005-09-01)
+#
+# == Documentation
+#
+#  # determine the type of the given
+#   lang = FileType[ARGV.first]
+#  
+#   # return :plaintext if the file type is unknown
+#   lang = FileType.fetch ARGV.first, :plaintext
+#  
+#   # try the shebang line, too
+#   lang = FileType.fetch ARGV.first, :plaintext, true
+module FileType
+
+  UnknownFileType = Class.new Exception
+
+  class << self
+
+    # Try to determine the file type of the file.
+    #
+    # +filename+ is a relative or absolute path to a file.
+    #
+    # The file itself is only accessed when +read_shebang+ is set to true.
+    # That means you can get filetypes from files that don't exist.
+    def [] filename, read_shebang = false
+      name = File.basename filename
+      ext = File.extname name
+      ext.sub!(/^\./, '')  # delete the leading dot
+
+      type =
+        TypeFromExt[ext] ||
+        TypeFromExt[ext.downcase] ||
+        TypeFromName[name] ||
+        TypeFromName[name.downcase]
+      type ||= shebang(filename) if read_shebang
+
+      type
+    end
+
+    def shebang filename
+      begin
+        File.open filename, 'r' do |f|
+          first_line = f.gets
+          first_line[TypeFromShebang]
+        end
+      rescue IOError
+        nil
+      end
+    end
+
+    # This works like Hash#fetch.
+    #
+    # If the filetype cannot be found, the +default+ value
+    # is returned.
+    def fetch filename, default = nil, read_shebang = false
+      if default and block_given?
+        warn 'block supersedes default value argument'
+      end
+
+      unless type = self[filename, read_shebang]
+        return yield if block_given?
+        return default if default
+        raise UnknownFileType, 'Could not determine type of %p.' % filename
+      end
+      type
+    end
+
+  end
+
+  TypeFromExt = {
+    'rb' => :ruby,
+    'rbw' => :ruby,
+    'rake' => :ruby,
+    'mab' => :ruby,
+    'cpp' => :c,
+    'c' => :c,
+    'h' => :c,
+    'xml' => :xml,
+    'htm' => :html,
+    'html' => :html,
+    'xhtml' => :xhtml,
+    'raydebug' => :debug,
+    'rhtml' => :rhtml,
+    'ss' => :scheme,
+    'sch' => :scheme,
+    'yaml' => :yaml,
+    'yml' => :yaml,
+  }
+
+  TypeFromShebang = /\b(?:ruby|perl|python|sh)\b/
+
+  TypeFromName = {
+    'Rakefile' => :ruby,
+    'Rantfile' => :ruby,
+  }
+
+end
+
+end
+
+if $0 == __FILE__
+  $VERBOSE = true
+  eval DATA.read, nil, $0, __LINE__+4
+end
+
+__END__
+
+require 'test/unit'
+
+class TC_FileType < Test::Unit::TestCase
+
+  def test_fetch
+    assert_raise FileType::UnknownFileType do
+      FileType.fetch ''
+    end
+
+    assert_throws :not_found do
+      FileType.fetch '.' do
+        throw :not_found
+      end
+    end
+
+    assert_equal :default, FileType.fetch('c', :default)
+
+    stderr, fake_stderr = $stderr, Object.new
+    $err = ''
+    def fake_stderr.write x
+      $err << x
+    end
+    $stderr = fake_stderr
+    FileType.fetch('c', :default) { }
+    assert_equal "block supersedes default value argument\n", $err
+    $stderr = stderr
+  end
+
+  def test_ruby
+    assert_equal :ruby, FileType['test.rb']
+    assert_equal :ruby, FileType['C:\\Program Files\\x\\y\\c\\test.rbw']
+    assert_equal :ruby, FileType['/usr/bin/something/Rakefile']
+    assert_equal :ruby, FileType['~/myapp/gem/Rantfile']
+    assert_equal :ruby, FileType['./lib/tasks\repository.rake']
+    assert_not_equal :ruby, FileType['test_rb']
+    assert_not_equal :ruby, FileType['Makefile']
+    assert_not_equal :ruby, FileType['set.rb/set']
+    assert_not_equal :ruby, FileType['~/projects/blabla/rb']
+  end
+
+  def test_c
+    assert_equal :c, FileType['test.c']
+    assert_equal :c, FileType['C:\\Program Files\\x\\y\\c\\test.h']
+    assert_not_equal :c, FileType['test_c']
+    assert_not_equal :c, FileType['Makefile']
+    assert_not_equal :c, FileType['set.h/set']
+    assert_not_equal :c, FileType['~/projects/blabla/c']
+  end
+
+  def test_html
+    assert_equal :html, FileType['test.htm']
+    assert_equal :xhtml, FileType['test.xhtml']
+    assert_equal :xhtml, FileType['test.html.xhtml']
+    assert_equal :rhtml, FileType['_form.rhtml']
+  end
+
+  def test_yaml
+    assert_equal :yaml, FileType['test.yml']
+    assert_equal :yaml, FileType['test.yaml']
+    assert_equal :yaml, FileType['my.html.yaml']
+    assert_not_equal :yaml, FileType['YAML']
+  end
+
+  def test_shebang
+    dir = './test'
+    if File.directory? dir
+      Dir.chdir dir do
+        assert_equal :c, FileType['test.c']
+      end
+    end
+  end
+
+end

vendor/plugins/coderay-0.7.6.227/lib/coderay/helpers/gzip_simple.rb

@@ -0,0 +1,123 @@
+# =GZip Simple
+#
+# A simplified interface to the gzip library +zlib+ (from the Ruby Standard Library.)
+#
+# Author: murphy (mail to murphy cYcnus de)
+#
+# Version: 0.2 (2005.may.28)
+#
+# ==Documentation
+#
+# See +GZip+ module and the +String+ extensions.
+#
+module GZip
+
+  require 'zlib'
+
+  # The default zipping level. 7 zips good and fast.
+  DEFAULT_GZIP_LEVEL = 7
+
+  # Unzips the given string +s+.
+  #
+  # Example:
+  #   require 'gzip_simple'
+  #   print GZip.gunzip(File.read('adresses.gz'))
+  def GZip.gunzip s
+    Zlib::Inflate.inflate s
+  end
+
+  # Zips the given string +s+.
+  #
+  # Example:
+  #   require 'gzip_simple'
+  #   File.open('adresses.gz', 'w') do |file
+  #     file.write GZip.gzip('Mum: 0123 456 789', 9)
+  #   end
+  #
+  # If you provide a +level+, you can control how strong
+  # the string is compressed:
+  # - 0: no compression, only convert to gzip format
+  # - 1: compress fast
+  # - 7: compress more, but still fast (default)
+  # - 8: compress more, slower
+  # - 9: compress best, very slow
+  def GZip.gzip s, level = DEFAULT_GZIP_LEVEL
+    Zlib::Deflate.new(level).deflate s, Zlib::FINISH
+  end
+end
+
+
+# String extensions to use the GZip module.
+#
+# The methods gzip and gunzip provide an even more simple
+# interface to the ZLib:
+#
+#   # create a big string
+#   x = 'a' * 1000
+#   
+#   # zip it
+#   x_gz = x.gzip
+#   
+#   # test the result
+#   puts 'Zipped %d bytes to %d bytes.' % [x.size, x_gz.size]
+#   #-> Zipped 1000 bytes to 19 bytes.
+#   
+#   # unzipping works
+#   p x_gz.gunzip == x  #-> true
+class String
+  # Returns the string, unzipped.
+  # See GZip.gunzip
+  def gunzip
+    GZip.gunzip self
+  end
+  # Replaces the string with its unzipped value.
+  # See GZip.gunzip
+  def gunzip!
+    replace gunzip
+  end
+
+  # Returns the string, zipped.
+  # +level+ is the gzip compression level, see GZip.gzip.
+  def gzip level = GZip::DEFAULT_GZIP_LEVEL
+    GZip.gzip self, level
+  end
+  # Replaces the string with its zipped value.
+  # See GZip.gzip.
+  def gzip!(*args)
+    replace gzip(*args)
+  end
+end
+
+if $0 == __FILE__
+  eval DATA.read, nil, $0, __LINE__+4
+end
+
+__END__
+#CODE
+
+# Testing / Benchmark
+x = 'a' * 1000
+x_gz = x.gzip
+puts 'Zipped %d bytes to %d bytes.' % [x.size, x_gz.size]  #-> Zipped 1000 bytes to 19 bytes.
+p x_gz.gunzip == x  #-> true
+
+require 'benchmark'
+
+INFO = 'packed to %0.3f%%'  # :nodoc:
+
+x = Array.new(100000) { rand(255).chr + 'aaaaaaaaa' + rand(255).chr }.join
+Benchmark.bm(10) do |bm|
+  for level in 0..9
+    bm.report "zip #{level}" do
+      $x = x.gzip level
+    end
+    puts INFO % [100.0 * $x.size / x.size]
+  end
+  bm.report 'zip' do
+    $x = x.gzip
+  end
+  puts INFO % [100.0 * $x.size / x.size]
+  bm.report 'unzip' do
+    $x.gunzip
+  end
+end

vendor/plugins/coderay-0.7.6.227/lib/coderay/helpers/plugin.rb

@@ -0,0 +1,329 @@
+module CodeRay
+  
+# = PluginHost
+#
+# $Id: plugin.rb 220 2007-01-01 02:58:58Z murphy $
+#
+# A simple subclass plugin system.
+#
+#  Example:
+#    class Generators < PluginHost
+#      plugin_path 'app/generators'
+#    end
+#    
+#    class Generator
+#      extend Plugin
+#      PLUGIN_HOST = Generators
+#    end
+#    
+#    class FancyGenerator < Generator
+#      register_for :fancy
+#    end
+#
+#    Generators[:fancy]  #-> FancyGenerator
+#    # or
+#    require_plugin 'Generators/fancy'
+module PluginHost
+
+  # Raised if Encoders::[] fails because:
+  # * a file could not be found
+  # * the requested Encoder is not registered
+  PluginNotFound = Class.new Exception
+  HostNotFound = Class.new Exception
+
+  PLUGIN_HOSTS = []
+  PLUGIN_HOSTS_BY_ID = {}  # dummy hash
+
+  # Loads all plugins using list and load.
+  def load_all
+    for plugin in list
+      load plugin
+    end
+  end
+
+  # Returns the Plugin for +id+.
+  #
+  # Example:
+  #  yaml_plugin = MyPluginHost[:yaml]
+  def [] id, *args, &blk
+    plugin = validate_id(id)
+    begin
+      plugin = plugin_hash.[] plugin, *args, &blk
+    end while plugin.is_a? Symbol
+    plugin
+  end
+
+  # Alias for +[]+.
+  alias load []
+
+  def require_helper plugin_id, helper_name
+    path = path_to File.join(plugin_id, helper_name)
+    require path
+  end
+
+  class << self
+
+    # Adds the module/class to the PLUGIN_HOSTS list.
+    def extended mod
+      PLUGIN_HOSTS << mod
+    end
+
+    # Warns you that you should not #include this module.
+    def included mod
+      warn "#{name} should not be included. Use extend."
+    end
+
+    # Find the PluginHost for host_id.
+    def host_by_id host_id
+      unless PLUGIN_HOSTS_BY_ID.default_proc
+        ph = Hash.new do |h, a_host_id|
+          for host in PLUGIN_HOSTS
+            h[host.host_id] = host
+          end
+          h.fetch a_host_id, nil
+        end
+        PLUGIN_HOSTS_BY_ID.replace ph
+      end
+      PLUGIN_HOSTS_BY_ID[host_id]
+    end
+
+  end
+
+  # The path where the plugins can be found.
+  def plugin_path *args
+    unless args.empty?
+      @plugin_path = File.expand_path File.join(*args)
+      load_map
+    end
+    @plugin_path
+  end
+
+  # The host's ID.
+  #
+  # If PLUGIN_HOST_ID is not set, it is simply the class name.
+  def host_id
+    if self.const_defined? :PLUGIN_HOST_ID
+      self::PLUGIN_HOST_ID
+    else
+      name
+    end
+  end
+
+  # Map a plugin_id to another.
+  #
+  # Usage: Put this in a file plugin_path/_map.rb.
+  #
+  #  class MyColorHost < PluginHost
+  #    map :navy => :dark_blue,
+  #      :maroon => :brown,
+  #      :luna => :moon
+  #  end
+  def map hash
+    for from, to in hash
+      from = validate_id from
+      to = validate_id to
+      plugin_hash[from] = to unless plugin_hash.has_key? from
+    end
+  end
+
+  # Define the default plugin to use when no plugin is found
+  # for a given id.
+  #
+  # See also map.
+  #
+  #  class MyColorHost < PluginHost
+  #    map :navy => :dark_blue
+  #    default :gray
+  #  end
+  def default id
+    id = validate_id id
+    plugin_hash[nil] = id
+  end
+
+  # Every plugin must register itself for one or more
+  # +ids+ by calling register_for, which calls this method.
+  #
+  # See Plugin#register_for.
+  def register plugin, *ids
+    for id in ids
+      unless id.is_a? Symbol
+        raise ArgumentError,
+          "id must be a Symbol, but it was a #{id.class}"
+      end
+      plugin_hash[validate_id(id)] = plugin
+    end
+  end
+
+  # A Hash of plugion_id => Plugin pairs.
+  def plugin_hash
+    @plugin_hash ||= create_plugin_hash
+  end
+
+  # Returns an array of all .rb files in the plugin path.
+  #
+  # The extension .rb is not included.
+  def list
+    Dir[path_to('*')].select do |file|
+      File.basename(file)[/^(?!_)\w+\.rb$/]
+    end.map do |file|
+      File.basename file, '.rb'
+    end
+  end
+
+  # Makes a map of all loaded plugins.
+  def inspect
+    map = plugin_hash.dup
+    map.each do |id, plugin|
+      map[id] = plugin.to_s[/(?>[\w_]+)$/]
+    end
+    "#{name}[#{host_id}]#{map.inspect}"
+  end
+
+protected
+  # Created a new plugin list and stores it to @plugin_hash.
+  def create_plugin_hash
+    @plugin_hash =
+      Hash.new do |h, plugin_id|
+        id = validate_id(plugin_id)
+        path = path_to id
+        begin
+          require path
+        rescue LoadError => boom
+          if h.has_key? nil  # default plugin
+            h[id] = h[nil]
+          else
+            raise PluginNotFound, 'Could not load plugin %p: %s' % [id, boom]
+          end
+        else
+          # Plugin should have registered by now
+          unless h.has_key? id
+            raise PluginNotFound,
+              "No #{self.name} plugin for #{id.inspect} found in #{path}."
+          end
+        end
+        h[id]
+      end
+  end
+
+  # Loads the map file (see map).
+  #
+  # This is done automatically when plugin_path is called.
+  def load_map
+    mapfile = path_to '_map'
+    if File.exist? mapfile
+      require mapfile
+    elsif $DEBUG
+      warn 'no _map.rb found for %s' % name
+    end
+  end
+
+  # Returns the Plugin for +id+.
+  # Use it like Hash#fetch.
+  #
+  # Example:
+  #  yaml_plugin = MyPluginHost[:yaml, :default]
+  def fetch id, *args, &blk
+    plugin_hash.fetch validate_id(id), *args, &blk
+  end
+
+  # Returns the expected path to the plugin file for the given id.
+  def path_to plugin_id
+    File.join plugin_path, "#{plugin_id}.rb"
+  end
+
+  # Converts +id+ to a Symbol if it is a String,
+  # or returns +id+ if it already is a Symbol.
+  #
+  # Raises +ArgumentError+ for all other objects, or if the
+  # given String includes non-alphanumeric characters (\W).
+  def validate_id id
+    if id.is_a? Symbol or id.nil?
+      id
+    elsif id.is_a? String
+      if id[/\w+/] == id
+        id.to_sym
+      else
+        raise ArgumentError, "Invalid id: '#{id}' given."
+      end
+    else
+      raise ArgumentError,
+        "String or Symbol expected, but #{id.class} given."
+    end
+  end
+
+end
+
+
+# = Plugin
+#
+#  Plugins have to include this module.
+#
+#  IMPORTANT: use extend for this module.
+#
+#  Example: see PluginHost.
+module Plugin
+
+  def included mod
+    warn "#{name} should not be included. Use extend."
+  end
+
+  # Register this class for the given langs.
+  # Example:
+  #   class MyPlugin < PluginHost::BaseClass
+  #     register_for :my_id
+  #     ...
+  #   end
+  #
+  # See PluginHost.register.
+  def register_for *ids
+    plugin_host.register self, *ids
+  end
+
+  # The host for this Plugin class.
+  def plugin_host host = nil
+    if host and not host.is_a? PluginHost
+      raise ArgumentError,
+        "PluginHost expected, but #{host.class} given."
+    end
+    self.const_set :PLUGIN_HOST, host if host
+    self::PLUGIN_HOST
+  end
+
+  # Require some helper files.
+  #
+  # Example:
+  #
+  #  class MyPlugin < PluginHost::BaseClass
+  #     register_for :my_id
+  #     helper :my_helper
+  #
+  # The above example loads the file myplugin/my_helper.rb relative to the
+  # file in which MyPlugin was defined.
+  def helper *helpers
+    for helper in helpers
+      self::PLUGIN_HOST.require_helper plugin_id, helper.to_s
+    end
+  end
+
+  # Returns the pulgin id used by the engine.
+  def plugin_id
+    name[/[\w_]+$/].downcase
+  end
+
+end
+
+# Convenience method for plugin loading.
+# The syntax used is:
+#
+#  CodeRay.require_plugin '<Host ID>/<Plugin ID>'
+#
+# Returns the loaded plugin.
+def require_plugin path
+  host_id, plugin_id = path.split '/', 2
+  host = PluginHost.host_by_id(host_id)
+  raise PluginHost::HostNotFound,
+    "No host for #{host_id.inspect} found." unless host
+  host.load plugin_id
+end
+
+end

vendor/plugins/coderay-0.7.6.227/lib/coderay/helpers/word_list.rb

@@ -0,0 +1,123 @@
+module CodeRay
+
+# = WordList
+# 
+# <b>A Hash subclass designed for mapping word lists to token types.</b>
+# 
+# Copyright (c) 2006 by murphy (Kornelius Kalnbach) <murphy rubychan de>
+#
+# License:: LGPL / ask the author
+# Version:: 1.1 (2006-Oct-19)
+#
+# A WordList is a Hash with some additional features.
+# It is intended to be used for keyword recognition.
+#
+# WordList is highly optimized to be used in Scanners,
+# typically to decide whether a given ident is a special token.
+#
+# For case insensitive words use CaseIgnoringWordList.
+#
+# Example:
+#
+#  # define word arrays
+#  RESERVED_WORDS = %w[
+#    asm break case continue default do else
+#    ...
+#  ]
+#  
+#  PREDEFINED_TYPES = %w[
+#    int long short char void
+#    ...
+#  ]
+#  
+#  PREDEFINED_CONSTANTS = %w[
+#    EOF NULL ...
+#  ]
+#  
+#  # make a WordList
+#  IDENT_KIND = WordList.new(:ident).
+#    add(RESERVED_WORDS, :reserved).
+#    add(PREDEFINED_TYPES, :pre_type).
+#    add(PREDEFINED_CONSTANTS, :pre_constant)
+#
+#  ...
+#
+#  def scan_tokens tokens, options
+#    ...
+#    
+#    elsif scan(/[A-Za-z_][A-Za-z_0-9]*/)
+#      # use it
+#      kind = IDENT_KIND[match]
+#      ...
+class WordList < Hash
+
+  # Creates a new WordList with +default+ as default value.
+  # 
+  # You can activate +caching+ to store the results for every [] request.
+  # 
+  # With caching, methods like +include?+ or +delete+ may no longer behave
+  # as you expect. Therefore, it is recommended to use the [] method only.
+  def initialize default = false, caching = false, &block
+    if block
+      raise ArgumentError, 'Can\'t combine block with caching.' if caching
+      super(&block)
+    else
+      if caching
+        super() do |h, k|
+          h[k] = h.fetch k, default
+        end
+      else
+        super default
+      end
+    end
+  end
+
+  # Add words to the list and associate them with +kind+.
+  # 
+  # Returns +self+, so you can concat add calls.
+  def add words, kind = true
+    words.each do |word|
+      self[word] = kind
+    end
+    self
+  end
+
+end
+
+
+# A CaseIgnoringWordList is like a WordList, only that
+# keys are compared case-insensitively.
+# 
+# Ignoring the text case is realized by sending the +downcase+ message to
+# all keys.
+# 
+# Caching usually makes a CaseIgnoringWordList faster, but it has to be
+# activated explicitely.
+class CaseIgnoringWordList < WordList
+
+  # Creates a new case-insensitive WordList with +default+ as default value.
+  # 
+  # You can activate caching to store the results for every [] request.
+  def initialize default = false, caching = false
+    if caching
+      super(default, false) do |h, k|
+        h[k] = h.fetch k.downcase, default
+      end
+    else
+      def self.[] key  # :nodoc:
+        super(key.downcase)
+      end
+    end
+  end
+
+  # Add +words+ to the list and associate them with +kind+.
+  def add words, kind = true
+    words.each do |word|
+      self[word.downcase] = kind
+    end
+    self
+  end
+
+end
+
+end