add romfs support.

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@887 bbd45198-f89e-11dd-88c7-29a3b14d5316

components/dfs/filesystems/romfs/mkromfs.py

@@ -0,0 +1,90 @@
+import sys
+import os
+import string
+
+basename = ''
+
+def mkromfs_output(out):
+    print '%s' % out,
+
+def mkromfs_file(filename, arrayname):
+    f = open(filename, "rb")
+    arrayname = arrayname.replace('.', '_')
+    mkromfs_output('const static unsigned char %s[] = {\n' % arrayname)
+
+    count = 0
+    while True:
+        byte = f.read(1)
+        
+        if not byte:
+            break
+        
+        mkromfs_output('0x%02x,' % ord(byte))
+        
+        count = count + 1
+        if count == 16:
+            count = 0
+            mkromfs_output('\n')
+    
+    mkromfs_output('};\n\n')
+    f.close()
+
+def mkromfs_dir(dirname, is_root = False):
+    list = os.listdir(dirname)
+    path = os.path.abspath(dirname)
+    
+    # make for directory 
+    for item in list:
+        fullpath = os.path.join(path, item)
+        if os.path.isdir(fullpath):
+            mkromfs_dir(fullpath)
+    
+    # make for files
+    for item in list:
+        fullpath = os.path.join(path, item)
+        if os.path.isfile(fullpath):
+            subpath = fullpath[len(basename):]
+            array = subpath.split('\\')
+            arrayname = string.join(array, '_')
+            mkromfs_file(fullpath, arrayname)
+
+    subpath = path[len(basename):]
+    dir = subpath.split('\\')
+    direntname = string.join(dir, '_')
+    if is_root:
+        mkromfs_output('const struct romfs_dirent romfs_root[] = {\n')
+    else:
+        mkromfs_output(('const static struct romfs_dirent %s[] = {\n' % direntname))
+    
+    for item in list:
+        fullpath = os.path.join(path, item)
+	fn = fullpath[len(dirname):]
+	if fn[0] == '\\':
+	    fn = fn[1:]
+	fn = fn.replace('\\', '/')
+
+        subpath = fullpath[len(basename):]
+        items = subpath.split('\\')
+        item_name = string.join(items, '_')
+        item_name = item_name.replace('.', '_')
+        subpath = subpath.replace('\\', '/')
+        if subpath[0] == '/':
+            subpath = subpath[1:]
+
+        if os.path.isfile(fullpath):
+            mkromfs_output(('\t{ROMFS_DIRENT_FILE, "%s", %s, sizeof(%s)},\n' % (fn, item_name, item_name)))
+        else:
+            mkromfs_output(('\t{ROMFS_DIRENT_DIR, "%s", %s, sizeof(%s)/sizeof(%s[0])},\n' % (fn, item_name, item_name, item_name)))
+    
+    mkromfs_output('};\n\n')
+
+if __name__ == "__main__":
+    try:
+        basename = os.path.abspath(sys.argv[1])
+        filename = os.path.abspath(sys.argv[2])
+    except IndexError:
+        print "Usage: %s <dirname> <filename>" % sys.argv[0]
+        raise SystemExit
+
+    mkromfs_output("#include <dfs_romfs.h>\n\n")
+    mkromfs_dir(basename, is_root = True)