class Bookmarks

# File lib/bookmarks.rb, line 56
def add path, bookmark
  @bookmarks[bookmark] = path
end

# File lib/bookmarks.rb, line 90
def complete prefix
  # Special cases:
  #   - nothing is provided: return all the bookmarks
  #   - absolute path: don't complete
  return sorted_bookmarks if prefix.nil? || prefix.empty?
  return prefix if prefix.start_with? File::SEPARATOR

  bookmark, path = prefix.split File::SEPARATOR, 2 # File.split only does path/basename

  completions = [  ]
  if path.nil?
    # still in 1st element, could match several bookmarks
    completions += @bookmarks.keys.find_all { |b| b.start_with? prefix }
  elsif @bookmarks.has_key?(bookmark)
    # bookmark known, complete further
    completions += Dir.chdir(@bookmarks[bookmark]) do
      Dir.glob(["#{path}*"])            .select { |f| File.directory? f }            .collect { |f| File.join bookmark, f }
    end
  end
  completions.map! { |d| d + File::SEPARATOR }
  completions << prefix if completions.empty?
  sorted_list completions
end

# File lib/bookmarks.rb, line 61
def del bookmark
  if @bookmarks.has_key? bookmark
    @bookmarks.delete bookmark
    true
  else
    false
  end
end

# File lib/bookmarks.rb, line 122
def expand_path(path_with_bookmark)
  if path_with_bookmark.index("/").nil?
    # the path is just a bookmark
    return @bookmarks[path_with_bookmark]
  elsif path_with_bookmark.index("/") == 0
    # the path is an absolute path (no bookmark, e.g. /absolute/path)
    return path_with_bookmark
  else
    # the path is composed of a bookmark and a subpath
    name = path_with_bookmark[0, path_with_bookmark.index('/')]
    path = path_with_bookmark[path_with_bookmark.index('/')+1,
                              path_with_bookmark.size]
    return @bookmarks[name] + "/" + path;
  end
end

# File lib/bookmarks.rb, line 45
def save
  begin
    File.open(BOOKMARKS_PATH, 'w') do |file|
      file << YAML::dump(@bookmarks)
    end
  rescue
    raise "Can't save configuration file"
  end
end

# File lib/bookmarks.rb, line 117
def simplify_path(path)
  path.gsub /^#{File.expand_path '~'}/, '~'
end

# File lib/bookmarks.rb, line 86
def sorted_bookmarks()  sorted_list @bookmarks.keys  end

# File lib/bookmarks.rb, line 87
def sorted_list(terms)  terms.sort.join ' '  end

# File lib/bookmarks.rb, line 71
def to_s
  if @bookmarks.empty?
    "No bookmarks saved"
  else
    bookmarks_table = table do |t|
      t.style = { :border_y => '', :border_i => '' }
      t.headings = "Bookmark", "Path"
      @bookmarks.keys.sort.each do |bookmark|
        t << [bookmark, simplify_path(@bookmarks[bookmark])]
      end
    end
    bookmarks_table.to_s
  end
end

# File lib/bookmarks.rb, line 40
def self.is_valid_name? bookmark
  return (bookmark =~/\A\W/).nil?
end

# File lib/bookmarks.rb, line 28
def initialize
  # Loads the bookmarks list from the bookmarks file.
  begin
    @bookmarks = YAML::load_file(BOOKMARKS_PATH)
  rescue Errno::ENOENT
    @bookmarks = {}
  rescue
    raise "Can't load configuration file"
  end
end