10 myproto = env.NanopbProto("myproto")
13 env.Append(CPPPATH = "$NANOB")
14 myprog = env.Program(["myprog.c", myproto, "$NANOPB/pb_encode.c", "$NANOPB/pb_decode.c"])
22 env.SetDefault(NANOPB = "path/to/nanopb")
27 env.SetDefault(PROTOC = "path/to/protoc")
28 env.SetDefault(PROTOCFLAGS = "--plugin=protoc-gen-nanopb=path/to/protoc-gen-nanopb")
47 def _detect_nanopb(env):  argument
49     if env.has_key('NANOPB'):
51         return env['NANOPB']
61 def _detect_python(env):  argument
63     if env.has_key('PYTHON'):
64         return env['PYTHON']
66     p = env.WhereIs('python3')
68         return env['ESCAPE'](p)
70     p = env.WhereIs('py.exe')
72         return env['ESCAPE'](p) + " -3"
74     return env['ESCAPE'](sys.executable)
76 def _detect_nanopb_generator(env):  argument
78 …generator_cmd = os.path.join(env['NANOPB'], 'generator-bin', 'nanopb_generator' + env['PROGSUFFIX'…
81         return env['ESCAPE'](generator_cmd)
84 …return env['PYTHON'] + " " + env['ESCAPE'](os.path.join(env['NANOPB'], 'generator', 'nanopb_genera…
86 def _detect_protoc(env):  argument
88     if env.has_key('PROTOC'):
90         return env['PROTOC']
92     n = _detect_nanopb(env)
93     p1 = os.path.join(n, 'generator-bin', 'protoc' + env['PROGSUFFIX'])
96         return env['ESCAPE'](p1)
101         if env['PLATFORM'] == 'win32':
102             return env['ESCAPE'](p + '.bat')
104             return env['ESCAPE'](p)
106     p = env.WhereIs('protoc')
109         return env['ESCAPE'](p)
114 def _detect_protocflags(env):  argument
116     if env.has_key('PROTOCFLAGS'):
117         return env['PROTOCFLAGS']
119     p = _detect_protoc(env)
120     n = _detect_nanopb(env)
121     p1 = os.path.join(n, 'generator', 'protoc' + env['PROGSUFFIX'])
122     p2 = os.path.join(n, 'generator-bin', 'protoc' + env['PROGSUFFIX'])
123     if p in [env['ESCAPE'](p1), env['ESCAPE'](p2)]:
127     e = env['ESCAPE']
128     if env['PLATFORM'] == 'win32':
133 def _nanopb_proto_actions(source, target, env, for_signature):  argument
134     esc = env['ESCAPE']
140     for d in env['PROTOCPATH']:
141         d = env.GetBuildPath(d)
148     nanopb_flags = env['NANOPBFLAGS']
157 def _nanopb_proto_emitter(target, source, env):  argument
186 def generate(env):  argument
189     env['NANOPB'] = _detect_nanopb(env)
190     env['PROTOC'] = _detect_protoc(env)
191     env['PROTOCFLAGS'] = _detect_protocflags(env)
192     env['PYTHON'] = _detect_python(env)
193     env['NANOPB_GENERATOR'] = _detect_nanopb_generator(env)
194     env.SetDefault(NANOPBFLAGS = '')
196     env.SetDefault(PROTOCPATH = [".", os.path.join(env['NANOPB'], 'generator', 'proto')])
198     env.SetDefault(NANOPB_PROTO_CMD = '$PROTOC $PROTOCFLAGS --nanopb_out=$NANOPBFLAGS:. $SOURCES')
199     env['BUILDERS']['NanopbProto'] = _nanopb_proto_builder
200     env['BUILDERS']['NanopbProtoCpp'] = _nanopb_proto_cpp_builder
202 def exists(env):  argument
203     return _detect_protoc(env) and _detect_protoc_opts(env)