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mongodb/site_scons/site_tools/jstoh.py

56 lines
1.4 KiB
Python

import os
import sys
def jsToHeader(target, source):
outFile = target
h = [
'#include "mongo/base/string_data.h"',
'namespace mongo {',
'struct JSFile{ const char* name; const StringData& source; };',
'namespace JSFiles{',
]
def lineToChars(s):
return ','.join(str(ord(c)) for c in (s.rstrip() + '\n')) + ','
for s in source:
filename = str(s)
objname = os.path.split(filename)[1].split('.')[0]
stringname = '_jscode_raw_' + objname
h.append('const char ' + stringname + "[] = {")
with open(filename, 'r') as f:
for line in f:
h.append(lineToChars(line))
h.append("0};")
# symbols aren't exported w/o this
h.append('extern const JSFile %s;' % objname)
h.append('const JSFile %s = { "%s", StringData(%s) };' %
(objname, filename.replace('\\', '/'), stringname))
h.append("} // namespace JSFiles")
h.append("} // namespace mongo")
h.append("")
text = '\n'.join(h)
print "writing: %s" % outFile
with open(outFile, 'wb') as out:
try:
out.write(text)
finally:
out.close()
if __name__ == "__main__":
if len(sys.argv) < 3:
print "Must specify [target] [source] "
sys.exit(1)
jsToHeader(sys.argv[1], sys.argv[2:])