From 90dea6d415bfc5734bc87c2797b26cca311246bc Mon Sep 17 00:00:00 2001
From: scott Chacon <schacon@agadorsparticus.corp.reactrix.com>
Date: Tue, 20 Nov 2007 13:24:44 -0800
Subject: have the pure ruby bindings working to some degree

---
 lib/git/raw/internal/loose.rb | 138 ++++++++++++++++++++++--------------------
 1 file changed, 71 insertions(+), 67 deletions(-)

(limited to 'lib/git/raw/internal/loose.rb')

diff --git a/lib/git/raw/internal/loose.rb b/lib/git/raw/internal/loose.rb
index 0e4020c..d8ec6fb 100644
--- a/lib/git/raw/internal/loose.rb
+++ b/lib/git/raw/internal/loose.rb
@@ -3,85 +3,89 @@ require 'digest/sha1'
 
 require 'git/raw/internal/object'
 
-module Git module Raw module Internal
-  class LooseObjectError < StandardError
-  end
+module Git 
+  module Raw 
+    module Internal
+      class LooseObjectError < StandardError
+      end
 
-  class LooseStorage
-    def initialize(directory)
-      @directory = directory
-    end
+      class LooseStorage
+        def initialize(directory)
+          @directory = directory
+        end
 
-    def [](sha1)
-      sha1 = sha1.unpack("H*")[0]
+        def [](sha1)
+          sha1 = sha1.unpack("H*")[0]
 
-      path = @directory+'/'+sha1[0...2]+'/'+sha1[2..40]
-      begin
-        get_raw_object(File.read(path))
-      rescue Errno::ENOENT
-        nil
-      end
-    end
+          path = @directory+'/'+sha1[0...2]+'/'+sha1[2..40]
+          begin
+            get_raw_object(File.read(path))
+          rescue Errno::ENOENT
+            nil
+          end
+        end
 
-    def get_raw_object(buf)
-      if buf.length < 2
-        raise LooseObjectError, "object file too small"
-      end
+        def get_raw_object(buf)
+          if buf.length < 2
+            raise LooseObjectError, "object file too small"
+          end
 
-      if legacy_loose_object?(buf)
-        content = Zlib::Inflate.inflate(buf)
-        header, content = content.split(/\0/, 2)
-        if !header || !content
-          raise LooseObjectError, "invalid object header"
-        end
-        type, size = header.split(/ /, 2)
-        if !%w(blob tree commit tag).include?(type) || size !~ /^\d+$/
-          raise LooseObjectError, "invalid object header"
+          if legacy_loose_object?(buf)
+            content = Zlib::Inflate.inflate(buf)
+            header, content = content.split(/\0/, 2)
+            if !header || !content
+              raise LooseObjectError, "invalid object header"
+            end
+            type, size = header.split(/ /, 2)
+            if !%w(blob tree commit tag).include?(type) || size !~ /^\d+$/
+              raise LooseObjectError, "invalid object header"
+            end
+            type = type.to_sym
+            size = size.to_i
+          else
+            type, size, used = unpack_object_header_gently(buf)
+            content = Zlib::Inflate.inflate(buf[used..-1])
+          end
+          raise LooseObjectError, "size mismatch" if content.length != size
+          return RawObject.new(type, content)
         end
-        type = type.to_sym
-        size = size.to_i
-      else
-        type, size, used = unpack_object_header_gently(buf)
-        content = Zlib::Inflate.inflate(buf[used..-1])
-      end
-      raise LooseObjectError, "size mismatch" if content.length != size
-      return RawObject.new(type, content)
-    end
 
-    # private
-    def unpack_object_header_gently(buf)
-      used = 0
-      c = buf[used]
-      used += 1
+        # private
+        def unpack_object_header_gently(buf)
+          used = 0
+          c = buf[used]
+          used += 1
+
+          type = (c >> 4) & 7;
+          size = c & 15;
+          shift = 4;
+          while c & 0x80 != 0
+            if buf.length <= used
+              raise LooseObjectError, "object file too short"
+            end
+            c = buf[used]
+            used += 1
 
-      type = (c >> 4) & 7;
-      size = c & 15;
-      shift = 4;
-      while c & 0x80 != 0
-        if buf.length <= used
-          raise LooseObjectError, "object file too short"
+            size += (c & 0x7f) << shift
+            shift += 7
+          end
+          type = OBJ_TYPES[type]
+          if ![:blob, :tree, :commit, :tag].include?(type)
+            raise LooseObjectError, "invalid loose object type"
+          end
+          return [type, size, used]
         end
-        c = buf[used]
-        used += 1
+        private :unpack_object_header_gently
 
-        size += (c & 0x7f) << shift
-        shift += 7
-      end
-      type = OBJ_TYPES[type]
-      if ![:blob, :tree, :commit, :tag].include?(type)
-        raise LooseObjectError, "invalid loose object type"
+        def legacy_loose_object?(buf)
+          word = (buf[0] << 8) + buf[1]
+          buf[0] == 0x78 && word % 31 == 0
+        end
+        private :legacy_loose_object?
       end
-      return [type, size, used]
-    end
-    private :unpack_object_header_gently
-
-    def legacy_loose_object?(buf)
-      word = (buf[0] << 8) + buf[1]
-      buf[0] == 0x78 && word % 31 == 0
-    end
-    private :legacy_loose_object?
+    end 
   end
-end end
+end
 
 if $0 == __FILE__
   require 'find'
-- 
cgit