Wiki#tree_map_for returns an array of BlobEntry instances

lib/gollum/blob_entry.rb

@@ -0,0 +1,51 @@
+module Gollum
+  class BlobEntry
+    # Gets the String SHA for this blob.
+    attr_reader :sha
+
+    # Gets the String full path for this blob.
+    attr_reader :path
+
+    def initialize(sha, path)
+      @sha  = sha
+      @path = path
+      @dir = @name = @blob = nil
+    end
+
+    # Gets the normalized directory path for this blob.
+    def dir
+      @dir ||= self.class.normalize_dir(::File.dirname(@path))
+    end
+
+    # Gets the String file base name for this blob.
+    def name
+      @name ||= ::File.basename(@path)
+    end
+
+    # Gets the Grit::Blob instance for this blob.
+    def blob(repo)
+      @blob ||= Grit::Blob.create(repo, :id => @sha, :name => @name)
+    end
+
+    # Normalizes a given directory name for searching through tree paths.
+    # Ensures that a directory begins with a slash, or 
+    #
+    #   normalize_dir("")      # => ""
+    #   normalize_dir(".")     # => ""
+    #   normalize_dir("foo")   # => "/foo"
+    #   normalize_dir("/foo/") # => "/foo"
+    #   normalize_dir("/")     # => ""
+    #
+    # dir - String directory name.
+    #
+    # Returns a normalized String directory name, or nil if no directory 
+    # is given.
+    def self.normalize_dir(dir)
+      if dir
+        dir = ::File.expand_path(dir, '/')
+        dir = '' if dir == '/'
+      end
+      dir
+    end
+  end
+end