1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/mtransport/runnable_utils.py Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,173 @@
1.4 +# This Source Code Form is subject to the terms of the Mozilla Public
1.5 +# License, v. 2.0. If a copy of the MPL was not distributed with this
1.6 +# file, You can obtain one at http://mozilla.org/MPL/2.0/.
1.7 +MAX_ARGS = 15
1.8 +
1.9 +boilerplate = "/* This Source Code Form is subject to the terms of the Mozilla Public\n\
1.10 + * License, v. 2.0. If a copy of the MPL was not distributed with this\n\
1.11 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */\n"
1.12 +
1.13 +def gen_args_type(args, member):
1.14 + if member:
1.15 + ret = ["C o"]
1.16 + else:
1.17 + ret = []
1.18 + ret.append("M m")
1.19 + for arg in range(0, args):
1.20 + ret.append("A%d a%d"%(arg, arg))
1.21 + return ", ".join(ret)
1.22 +
1.23 +def gen_args(args, member):
1.24 + if member:
1.25 + ret = ["o"]
1.26 + else:
1.27 + ret = []
1.28 + ret.append("m")
1.29 + for arg in range(0, args):
1.30 + ret.append("a%d"%(arg))
1.31 + return ", ".join(ret)
1.32 +
1.33 +def gen_args_(args):
1.34 + ret = []
1.35 + for arg in range(0, args):
1.36 + ret.append("a%d_"%(arg))
1.37 + return ", ".join(ret)
1.38 +
1.39 +def gen_init(args, r = False, member = False):
1.40 + if member:
1.41 + ret = ["o_(o)"]
1.42 + else:
1.43 + ret = []
1.44 + ret.append("m_(m)")
1.45 +
1.46 + if r:
1.47 + ret.append("r_(r)")
1.48 +
1.49 + for arg in range(0, args):
1.50 + ret.append("a%d_(a%d)"%(arg, arg))
1.51 + return ", ".join(ret)
1.52 +
1.53 +def gen_typenames(args, member):
1.54 + if member:
1.55 + ret = ["typename C"]
1.56 + else:
1.57 + ret = []
1.58 + ret.append("typename M")
1.59 +
1.60 + for arg in range(0, args):
1.61 + ret.append("typename A%d"%(arg))
1.62 + return ", ".join(ret)
1.63 +
1.64 +def gen_types(args, member):
1.65 + if member:
1.66 + ret = ["C"]
1.67 + else:
1.68 + ret = []
1.69 + ret.append("M")
1.70 + for arg in range(0, args):
1.71 + ret.append("A%d"%(arg))
1.72 + return ", ".join(ret)
1.73 +
1.74 +
1.75 +def generate_class_template(args, ret = False, member = True):
1.76 + print "// %d arguments --"%args
1.77 + if member:
1.78 + nm = "m"
1.79 + else:
1.80 + nm = "nm"
1.81 +
1.82 + if not ret:
1.83 + print "template<"+ gen_typenames(args, member) + "> class runnable_args_%s_%d : public runnable_args_base {"%(nm, args)
1.84 + else:
1.85 + print "template<"+ gen_typenames(args, member) + ", typename R> class runnable_args_%s_%d_ret : public runnable_args_base {"%(nm, args)
1.86 +
1.87 + print " public:"
1.88 +
1.89 + if not ret:
1.90 + print " runnable_args_%s_%d("%(nm, args) + gen_args_type(args, member) + ") :"
1.91 + print " " + gen_init(args, False, member) + " {}"
1.92 + else:
1.93 + print " runnable_args_%s_%d_ret("%(nm, args) + gen_args_type(args, member) + ", R *r) :"
1.94 + print " " + gen_init(args, True, member) + " {}"
1.95 + print " virtual bool returns_value() const { return true; }"
1.96 + print
1.97 + print " NS_IMETHOD Run() {"
1.98 + if ret:
1.99 + print " *r_ =",
1.100 + else:
1.101 + print " ",
1.102 + if member:
1.103 + print "((*o_).*m_)(" + gen_args_(args) + ");"
1.104 + else:
1.105 + print "m_(" + gen_args_(args) + ");"
1.106 +
1.107 + print " return NS_OK;"
1.108 + print " }"
1.109 + print
1.110 + print " private:"
1.111 + if member:
1.112 + print " C o_;"
1.113 + print " M m_;"
1.114 + if ret:
1.115 + print " R* r_;"
1.116 + for arg in range(0, args):
1.117 + print " A%d a%d_;"%(arg, arg)
1.118 + print "};"
1.119 + print
1.120 + print
1.121 + print
1.122 +
1.123 +def generate_function_template(args, member):
1.124 + if member:
1.125 + nm = "m"
1.126 + NM = "";
1.127 + else:
1.128 + nm = "nm"
1.129 + NM = "NM";
1.130 +
1.131 + print "// %d arguments --"%args
1.132 + print "template<" + gen_typenames(args, member) + ">"
1.133 + print "runnable_args_%s_%d<"%(nm, args) + gen_types(args, member) + ">* WrapRunnable%s("%NM + gen_args_type(args, member) + ") {"
1.134 + print " return new runnable_args_%s_%d<"%(nm, args) + gen_types(args, member) + ">"
1.135 + print " (" + gen_args(args, member) + ");"
1.136 + print "}"
1.137 + print
1.138 +
1.139 +def generate_function_template_ret(args, member):
1.140 + if member:
1.141 + nm = "m"
1.142 + NM = "";
1.143 + else:
1.144 + nm = "nm"
1.145 + NM = "NM";
1.146 + print "// %d arguments --"%args
1.147 + print "template<" + gen_typenames(args, member) + ", typename R>"
1.148 + print "runnable_args_%s_%d_ret<"%(nm, args) + gen_types(args, member) + ", R>* WrapRunnable%sRet("%NM + gen_args_type(args, member) + ", R* r) {"
1.149 + print " return new runnable_args_%s_%d_ret<"%(nm, args) + gen_types(args, member) + ", R>"
1.150 + print " (" + gen_args(args, member) + ", r);"
1.151 + print "}"
1.152 + print
1.153 +
1.154 +
1.155 +print boilerplate
1.156 +print
1.157 +
1.158 +for num_args in range (0, MAX_ARGS):
1.159 + generate_class_template(num_args, False, False)
1.160 + generate_class_template(num_args, True, False)
1.161 + generate_class_template(num_args, False, True)
1.162 + generate_class_template(num_args, True, True)
1.163 +
1.164 +
1.165 +print
1.166 +print
1.167 +print
1.168 +
1.169 +for num_args in range(0, MAX_ARGS):
1.170 + generate_function_template(num_args, False)
1.171 + generate_function_template_ret(num_args, False)
1.172 + generate_function_template(num_args, True)
1.173 + generate_function_template_ret(num_args, True)
1.174 +
1.175 +
1.176 +
