Rebuild a generic storage for GObjects using a ZIP format.

1 files changed, 40 insertions, 0 deletions

diff --git a/system/magic/storage b/system/magic/storage
new file mode 100644
index 0000000..b7698d1
--- /dev/null
+++ b/system/magic/storage
@@ -0,0 +1,40 @@
+
+# 4.3.7  Local file header:
+# Cf. https://pkware.cachefly.net/webdocs/casestudies/APPNOTE.TXT
+
+# local file header signature     4 bytes  (0x04034b50)
+# version needed to extract       2 bytes
+# general purpose bit flag        2 bytes
+# compression method              2 bytes
+# last mod file time              2 bytes
+# last mod file date              2 bytes
+# crc-32                          4 bytes
+# compressed size                 4 bytes
+# uncompressed size               4 bytes
+# file name length                2 bytes
+# extra field length              2 bytes
+
+
+# ZIP local file header #1
+
+0               string          PK\003\004
+
+# First entry: control (file name length = 7)
+
+>0x1a           uleshort        7
+>>0x1e          string          control
+
+# Content of control
+
+>>>&(0x1c.h)    string          COBSTR          Chrysalide GObject storage
+>>>>&0          string          \001\000        (version 1.0)
+
+# Storage for PythonNotebook
+
+>>>>>&0         byte            14
+>>>>>>&0        string          PythonNotebook  - PythonNotebook
+
+>>>>>>>&0       byte            1               v1
+
+!:mime          application/vnd.chrysalide.notebook
+!:ext           cnb