1 #!/usr/bin/env python 2 # 3 # Copyright (C) 2015 The Android Open Source Project 4 # 5 # Licensed under the Apache License, Version 2.0 (the "License"); 6 # you may not use this file except in compliance with the License. 7 # You may obtain a copy of the License at 8 # 9 # http://www.apache.org/licenses/LICENSE-2.0 10 # 11 # Unless required by applicable law or agreed to in writing, software 12 # distributed under the License is distributed on an "AS IS" BASIS, 13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 # See the License for the specific language governing permissions and 15 # limitations under the License. 16 # 17 """Generate Java code from vehicle.h""" 18 import os 19 import re 20 import sys 21 22 JAVA_HEADER = \ 23 """ 24 /* 25 * Copyright (C) 2015 The Android Open Source Project 26 * 27 * Licensed under the Apache License, Version 2.0 (the "License"); 28 * you may not use this file except in compliance with the License. 29 * You may obtain a copy of the License at 30 * 31 * http://www.apache.org/licenses/LICENSE-2.0 32 * 33 * Unless required by applicable law or agreed to in writing, software 34 * distributed under the License is distributed on an "AS IS" BASIS, 35 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 36 * See the License for the specific language governing permissions and 37 * limitations under the License. 38 */ 39 40 //Autogenerated from vehicle.h using libvehiclenetwork/tool/vehicle_code_gen.py. 41 //Do not modify manually. 42 43 package com.android.car.vehiclenetwork; 44 45 public class VehicleNetworkConsts { 46 """ 47 48 JAVA_TRAIL = \ 49 """ 50 } 51 """ 52 53 RE_PROPERTY_PATTERN = r'/\*\*(.*?)\*/\n\#define\s+VEHICLE_PROPERTY_(\S+)\s+(\S+)' 54 RE_ENUM_PATTERN = r'enum\s+(\S+)\s+\{\S*(.*?)\}' 55 RE_ENUM_ENTRY_PATTERN = r'(\S+)\s*=\s*(.*?)[,\n]' 56 57 class PropertyInfo(object): 58 def __init__(self, value, name): 59 self.value = value 60 self.name = name 61 self.type = "" 62 self.changeMode = "" 63 self.access = "" 64 self.unit = "" 65 self.startEnd = 0 # _START/END property 66 67 def __str__(self): 68 r = ["value:" + self.value] 69 r.append("name:" + self.name) 70 if self.type != "": 71 r.append("type:" + self.type) 72 if self.changeMode != "": 73 r.append("changeMode:" + self.changeMode) 74 if self.access != "": 75 r.append("access:" + self.access) 76 if self.unit != "": 77 r.append("unit:" + self.unit) 78 return " ".join(r) 79 80 class EnumInfo(object): 81 def __init__(self, name): 82 self.name = name 83 self.enums = [] #(name, value) tuple 84 def addEntry(self, name, value): 85 self.enums.append((name, value)) 86 def __str__(self): 87 r = [self.name + "\n"] 88 for e in self.enums: 89 r.append(" " + e[0] + ":" + e[1] + "\n") 90 return ''.join(r) 91 92 def toJavaStyleName(name): 93 # do not convert if 1st letter is already upper 94 if name[0].isupper(): 95 return name 96 words = name.split("_") 97 #print words 98 for i in range(len(words)): 99 w = words[i] 100 w = w[0].upper() + w[1:] 101 words[i] = w 102 return ''.join(words) 103 104 JAVA_INT_DEF = "public static final int " 105 def printProperties(props): 106 for p in props: 107 print JAVA_INT_DEF + p.name + " = " + p.value + ";" 108 109 #now impement getVehicleValueType 110 print \ 111 """public static int getVehicleValueType(int property) { 112 switch (property) {""" 113 for p in props: 114 if p.type != "": 115 print "case " + p.name + ": return VehicleValueType." + p.type + ";" 116 print \ 117 """default: return VehicleValueType.VEHICLE_VALUE_TYPE_SHOUD_NOT_USE; 118 } 119 } 120 """ 121 #now implement getVehiclePropertyName 122 print \ 123 """public static String getVehiclePropertyName(int property) { 124 switch (property) {""" 125 for p in props: 126 if (p.startEnd == 0): 127 print "case " + p.name + ': return "' + p.name + '";' 128 print \ 129 """default: return "UNKNOWN_PROPERTY"; 130 } 131 } 132 """ 133 #now implement getVehicleChangeMode 134 print \ 135 """public static int[] getVehicleChangeMode(int property) { 136 switch (property) {""" 137 for p in props: 138 if p.changeMode != "": 139 modes = p.changeMode.split('|') 140 modesString = [] 141 for m in modes: 142 modesString.append("VehiclePropChangeMode." + m) 143 print "case " + p.name + ": return new int[] { " + " , ".join(modesString) + " };" 144 print \ 145 """default: return null; 146 } 147 } 148 """ 149 #now implement getVehicleAccess 150 print \ 151 """public static int[] getVehicleAccess(int property) { 152 switch (property) {""" 153 for p in props: 154 if p.access != "": 155 accesses = p.access.split('|') 156 accessesString = [] 157 for a in accesses: 158 accessesString.append("VehiclePropAccess." + a) 159 print "case " + p.name + ": return new int[] { " + " , ".join(accessesString) + " };" 160 print \ 161 """default: return null; 162 } 163 } 164 """ 165 166 def printEnum(e): 167 print "public static class " + toJavaStyleName(e.name) + " {" 168 for entry in e.enums: 169 print JAVA_INT_DEF + entry[0] + " = " + entry[1] + ";" 170 #now implement enumToString 171 print \ 172 """public static String enumToString(int v) { 173 switch(v) {""" 174 valueStore = [] 175 for entry in e.enums: 176 # handling enum with the same value. Print only 1st one. 177 if valueStore.count(entry[1]) == 0: 178 valueStore.append(entry[1]) 179 print "case " + entry[0] + ': return "' + entry[0] + '";' 180 print \ 181 """default: return "UNKNOWN"; 182 } 183 } 184 } 185 """ 186 187 def printEnums(enums): 188 for e in enums: 189 printEnum(e) 190 191 def main(argv): 192 vehicle_h_path = os.path.dirname(os.path.abspath(__file__)) + "/../../../../../hardware/libhardware/include/hardware/vehicle.h" 193 #print vehicle_h_path 194 f = open(vehicle_h_path, 'r') 195 text = f.read() 196 f.close() 197 vehicle_internal_h_path = os.path.dirname(os.path.abspath(__file__)) + "/../include/vehicle-internal.h" 198 f = open(vehicle_internal_h_path, 'r') 199 text = text + f.read() 200 f.close() 201 202 props = [] 203 property_re = re.compile(RE_PROPERTY_PATTERN, re.MULTILINE | re.DOTALL) 204 for match in property_re.finditer(text): 205 words = match.group(1).split() 206 name = "VEHICLE_PROPERTY_" + match.group(2) 207 value = match.group(3) 208 if (value[0] == "(" and value[-1] == ")"): 209 value = value[1:-1] 210 prop = PropertyInfo(value, name) 211 i = 0 212 while i < len(words): 213 if words[i] == "@value_type": 214 i += 1 215 prop.type = words[i] 216 elif words[i] == "@change_mode": 217 i += 1 218 prop.changeMode = words[i] 219 elif words[i] == "@access": 220 i += 1 221 prop.access = words[i] 222 elif words[i] == "@unit": 223 i += 1 224 prop.unit = words[i] 225 elif words[i] == "@range_start" or words[i] == "@range_end": 226 prop.startEnd = 1 227 i += 1 228 props.append(prop) 229 #for p in props: 230 # print p 231 232 enums = [] 233 enum_re = re.compile(RE_ENUM_PATTERN, re.MULTILINE | re.DOTALL) 234 enum_entry_re = re.compile(RE_ENUM_ENTRY_PATTERN, re.MULTILINE) 235 for match in enum_re.finditer(text): 236 name = match.group(1) 237 info = EnumInfo(name) 238 for match_entry in enum_entry_re.finditer(match.group(2)): 239 valueName = match_entry.group(1) 240 value = match_entry.group(2) 241 #print valueName, value 242 if value[-1] == ',': 243 value = value[:-1] 244 info.addEntry(valueName, value) 245 enums.append(info) 246 #for e in enums: 247 # print e 248 print JAVA_HEADER 249 printProperties(props) 250 printEnums(enums) 251 print JAVA_TRAIL 252 if __name__ == '__main__': 253 main(sys.argv) 254 255
