| Alexandre Lision | 864f9b8 | 2014-08-01 14:26:45 -0400 | [diff] [blame] | 1 | #!/usr/bin/python |
| 2 | import getopt, sys |
| 3 | import re |
| 4 | from string import Template |
| 5 | |
| 6 | def type_to_signature(itype): |
| 7 | if len(itype) > 2: |
| 8 | if itype[-2:] == '[]': |
| 9 | return "[%s" % type_to_signature(itype[:-2]) |
| 10 | if itype == "int": |
| 11 | return "I" |
| 12 | if itype == "long": |
| 13 | return "J" |
| 14 | if itype == "void": |
| 15 | return "V" |
| 16 | if itype == "boolean": |
| 17 | return "Z" |
| 18 | if itype == "byte": |
| 19 | return "B" |
| 20 | if itype == "char": |
| 21 | return "C" |
| 22 | if itype == "short": |
| 23 | return "S" |
| 24 | if itype == "float": |
| 25 | return "F" |
| 26 | if itype == "double": |
| 27 | return "D" |
| 28 | if itype == "String": |
| 29 | return "Ljava/lang/String;" |
| 30 | if itype == "Object": |
| 31 | return "Ljava/lang/Object;" |
| Adrien Béraud | 87d878d | 2015-06-03 15:09:19 -0400 | [diff] [blame^] | 32 | return "Lcx/ring/service/%s;" % itype |
| Alexandre Lision | 864f9b8 | 2014-08-01 14:26:45 -0400 | [diff] [blame] | 33 | |
| 34 | def parse_java_file(input_stream, package, module): |
| 35 | outputs = [] |
| 36 | package_prefix = "Java_%s_%sJNI" % (package.replace(".", "_"), module) |
| 37 | for line in input_stream: |
| 38 | definition = re.match(r'.*public final static native ([^\( ]*) ([^\)]*)\(([^)]*)\).*',line) |
| 39 | if definition is not None: |
| 40 | retour = definition.group(1) |
| 41 | name = definition.group(2) |
| 42 | args = definition.group(3) |
| 43 | args_sigs = [] |
| 44 | args_frags = args.split(',') |
| 45 | for args_frag in args_frags: |
| 46 | argf = re.match(r'(\b)?([^ ]+) .*', args_frag.strip()) |
| 47 | if argf is not None: |
| 48 | args_sigs.append(type_to_signature(argf.group(2))) |
| 49 | sig = "(%s)%s" % (''.join(args_sigs), type_to_signature(retour)) |
| 50 | outputs.append("{\"%s\", \"%s\", (void*)& %s_%s}" % (name, sig, package_prefix, name.replace('_', '_1'))) |
| 51 | return outputs |
| 52 | |
| 53 | def render_to_template(defs, template_string): |
| 54 | template = Template(template_string) |
| 55 | return template.substitute(defs= ",\r\n".join(defs) ) |
| 56 | |
| 57 | |
| 58 | if __name__ == "__main__": |
| 59 | try: |
| 60 | opts, args = getopt.getopt(sys.argv[1:], "i:o:t:m:p:", ["input=", "output=", "template=", "module=", "package="]) |
| 61 | except getopt.GetoptError, err: |
| 62 | # print help information and exit: |
| 63 | print str(err) # will print something like "option -a not recognized" |
| 64 | sys.exit(2) |
| 65 | input_stream = None |
| 66 | output_file = None |
| 67 | template_string = None |
| 68 | package = "" |
| 69 | module = "" |
| 70 | for o, a in opts: |
| 71 | if o in ("-i", "--input"): |
| 72 | input_stream = open(a) |
| 73 | if o in ("-o", "--output"): |
| 74 | output_file = open(a, "w") |
| 75 | if o in ("-t", "--template"): |
| 76 | template_string = open(a).read() |
| 77 | if o in ("-m", "--module"): |
| 78 | module = a |
| 79 | if o in ("-p", "--package"): |
| 80 | package = a |
| 81 | |
| 82 | defs = parse_java_file(input_stream, package, module) |
| 83 | output_file.write(render_to_template(defs, template_string)) |
| 84 | output_file.close() |
| 85 | input_stream.close() |