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77 lines
2.3 KiB
Python
Executable File
77 lines
2.3 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright 2015 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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import argparse
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import hashlib
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import os
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import sys
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def main():
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"""Command line utility to embed file in a C executable."""
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parser = argparse.ArgumentParser(
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description='Generate a source file to embed the content of a file')
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parser.add_argument('source')
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parser.add_argument('out_dir')
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parser.add_argument('namespace')
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parser.add_argument('variable')
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opts = parser.parse_args()
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if not os.path.exists(opts.out_dir):
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os.makedirs(opts.out_dir)
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header = os.path.join(opts.out_dir, '%s.h' % opts.variable)
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c_file = os.path.join(opts.out_dir, '%s.cc' % opts.variable)
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namespaces = opts.namespace.split('::')
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data = None
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with open(opts.source, "rb") as f:
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data = f.read()
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with open(header, "w") as f:
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f.write('// Generated file. Do not modify.\n')
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f.write('\n')
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f.write('#include "mojo/tools/embed/data.h"\n')
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f.write('\n')
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for n in namespaces:
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f.write('namespace %s {\n' % n)
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f.write('extern const mojo::embed::Data %s;\n' % opts.variable);
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for n in reversed(namespaces):
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f.write('} // namespace %s\n' % n)
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sha1hash = hashlib.sha1(data).hexdigest()
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values = ["0x%02x" % ord(c) for c in data]
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lines = []
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chunk_size = 16
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for i in range(0, len(values), chunk_size):
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lines.append(" " + ", ".join(values[i: i + chunk_size]))
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with open(c_file, "w") as f:
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f.write('// Generated file. Do not modify.\n')
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f.write('\n')
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f.write('#include "mojo/tools/embed/data.h"\n')
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f.write('\n')
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for n in namespaces:
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f.write('namespace %s {\n' % n)
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f.write('namespace {\n')
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f.write("const char data[%d] = {\n" % len(data))
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f.write(",\n".join(lines))
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f.write("\n};\n")
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f.write('} // namespace\n')
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f.write('\n')
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f.write('extern const mojo::embed::Data %s;\n' % opts.variable);
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f.write('const mojo::embed::Data %s = {\n' % opts.variable);
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f.write(' "%s",\n' % sha1hash)
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f.write(' data,\n')
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f.write(' sizeof(data)\n')
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f.write('};\n');
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f.write('\n')
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for n in reversed(namespaces):
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f.write('} // namespace %s\n' % n)
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if __name__ == '__main__':
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main()
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