git » git-arr » commit 6f3942c

diff --git a/git-arr b/git-arr
index d3f1151..ae509ea 100755
--- a/git-arr
+++ b/git-arr
@@ -188,6 +188,7 @@ def with_utils(f):
         'can_embed_image': utils.can_embed_image,
         'embed_image_blob': utils.embed_image_blob,
         'is_binary': utils.is_binary,
+        'hexdump': utils.hexdump,
         'abort': bottle.abort,
         'smstr': git.smstr,
     }
diff --git a/static/git-arr.css b/static/git-arr.css
index 8da2b67..a3fcadb 100644
--- a/static/git-arr.css
+++ b/static/git-arr.css
@@ -159,6 +159,18 @@ pre.blob-body {
     font-size: medium;
 }
 
+table.blob-binary pre {
+    padding: 0;
+    margin: 0;
+}
+
+table.blob-binary .offset {
+    text-align: right;
+    font-size: x-small;
+    color: darkgray;
+    border-right: 1px solid #eee;
+}
+
 /* Pygments overrides. */
 div.linenodiv {
     padding-right: 0.5em;
diff --git a/utils.py b/utils.py
index 5bea961..a7d2886 100644
--- a/utils.py
+++ b/utils.py
@@ -19,6 +19,7 @@ except ImportError:
 
 import base64
 import mimetypes
+import string
 
 def shorten(s, width = 60):
     if len(s) < 60:
@@ -106,3 +107,14 @@ def embed_image_blob(fname, image_data):
 def is_binary(s):
     # Git considers a blob binary if NUL in first ~8KB, so do the same.
     return '\0' in s[:8192]
+
+def hexdump(s):
+    graph = string.ascii_letters + string.digits + string.punctuation + ' '
+    offset = 0
+    while s:
+        t = s[:16]
+        hexvals = ['%.2x' % ord(c) for c in t]
+        text = ''.join(c if c in graph else '.' for c in t)
+        yield offset, ' '.join(hexvals[:8]), ' '.join(hexvals[8:]), text
+        offset += 16
+        s = s[16:]
diff --git a/views/blob.html b/views/blob.html
index 4526c99..74c910a 100644
--- a/views/blob.html
+++ b/views/blob.html
@@ -42,12 +42,20 @@
 % if can_embed_image(repo, fname.unicode):
 {{!embed_image_blob(fname.raw, blob.raw_content)}}
 % elif is_binary(blob.raw_content):
-<table class="nice">
+<table class="nice blob-binary">
     <tr>
-        <td>
+        <td colspan="4">
             binary &mdash; {{'{:,}'.format(len(blob.raw_content))}} bytes
         </td>
     </tr>
+%   for offset, hex1, hex2, text in hexdump(blob.raw_content):
+    <tr>
+        <td class="offset">{{offset}}</td>
+        <td><pre>{{hex1}}</pre></td>
+        <td><pre>{{hex2}}</pre></td>
+        <td><pre>{{text}}</pre></td>
+    </tr>
+%   end
 </table>
 % elif can_markdown(repo, fname.unicode):
 {{!markdown_blob(blob.utf8_content)}}