Index: mojo/tools/embed/embed_data.py |
diff --git a/mojo/tools/embed/embed_data.py b/mojo/tools/embed/embed_data.py |
new file mode 100755 |
index 0000000000000000000000000000000000000000..8156fa474de240d3df55dcaf9ab3aeedceb46bab |
--- /dev/null |
+++ b/mojo/tools/embed/embed_data.py |
@@ -0,0 +1,70 @@ |
+#!/usr/bin/env python |
+# Copyright 2015 The Chromium Authors. All rights reserved. |
+# Use of this source code is governed by a BSD-style license that can be |
+# found in the LICENSE file. |
+ |
+import argparse |
+import hashlib |
+import os |
+import sys |
+ |
+def main(): |
+ """Command line utility to embed file in a C executable.""" |
+ parser = argparse.ArgumentParser( |
+ description='Generate a source file to embed the content of a file') |
+ |
+ parser.add_argument('source') |
+ parser.add_argument('out_dir') |
+ parser.add_argument('variable') |
+ |
+ opts = parser.parse_args() |
+ |
+ if not os.path.exists(opts.out_dir): |
+ os.makedirs(opts.out_dir) |
+ |
+ header = os.path.join(opts.out_dir, '%s.h' % opts.variable) |
+ c_file = os.path.join(opts.out_dir, '%s.cc' % opts.variable) |
+ |
+ data = None |
+ with open(opts.source, "rb") as f: |
+ data = f.read() |
+ |
+ with open(header, "w") as f: |
+ f.write('// Generated file. Do not modify.\n') |
+ f.write('\n') |
+ f.write('#include "mojo/tools/embed/data.h"\n') |
+ f.write('\n') |
+ f.write('namespace embed {\n') |
+ f.write('extern const mojo::embed::Data %s;\n' % opts.variable); |
+ f.write('} // namespace embed\n') |
+ |
+ sha1hash = hashlib.sha1(data).hexdigest() |
+ values = ["0x%02x" % ord(c) for c in data] |
+ lines = [] |
+ chunk_size = 16 |
+ for i in range(0, len(values), chunk_size): |
+ lines.append(" " + ", ".join(values[i: i + chunk_size])) |
+ |
+ with open(c_file, "w") as f: |
+ f.write('// Generated file. Do not modify.\n') |
+ f.write('\n') |
+ f.write('#include "mojo/tools/embed/data.h"\n') |
+ f.write('\n') |
+ f.write('namespace embed {\n') |
abarth-chromium
2015/03/06 21:41:14
Seems odd to put this all into the same namespace.
|
+ f.write('namespace {\n') |
+ f.write("const char data[%d] = {\n" % len(data)) |
+ f.write(",\n".join(lines)) |
+ f.write("\n};\n") |
+ f.write('} // namespace\n') |
+ f.write('\n') |
+ f.write('extern const mojo::embed::Data %s;\n' % opts.variable); |
+ f.write('const mojo::embed::Data %s = {\n' % opts.variable); |
+ f.write(' "%s",\n' % sha1hash) |
+ f.write(' data,\n') |
+ f.write(' sizeof(data)\n') |
+ f.write('};\n'); |
+ f.write('\n') |
+ f.write('} // namespace embed\n') |
+ |
+if __name__ == '__main__': |
+ main() |