Android的xml-Rpc实现

Android的xml-Rpc实现弄Rpc有一段时间了，从定义IDL规则，自动生成存根代码给应用使用，相继做了c++，java,python,actionscript四个版本，且都都能互相调用，协议是自定义的二进制格式。
公司的项目要求我从事android的开发，编写一些小的应用，要与平台服务器通信。
与服务器的通信采用xml交换，之前做的二进制编码便不能使用。
不想很弱智的去重复的编解码xml消息格式，去编写socket通信代码，工作量和繁琐是自己不喜欢的，那只能让自己的rpc去支持xml格式。
这种支持我称之为半人工的，因为xml格式的tag定义必须在idl中出现

idl定义
1 struct Ts_heartbeat_p_User_t{
2 string id;
3 };
4 //心跳
5
6 struct Ts_gps_p_GPS_t{
7 float lon;
8 float lat;
9 float speed;
10 float direction;
11 int time;
12 };
13
14 struct Ts_gps_p_Properties_t{
15 string senderid;
16 string target_type;
17 string users;
18 string groups;
19 };
20
21 struct Ts_verify_r_User_t{
22 string id;
23 };
24
25 struct Ts_verify_r_Group_t{
26 string id;
27 string name;
28 string type;
29 };
30
31 sequence < Ts_verify_r_Group_t > Ts_verify_r_Groups_t;
32
33 struct Ts_verify_r_Result_t{
34 int code;
35 string msg;
36 Ts_verify_r_User_tuser;
37 Ts_verify_r_Groups_tgroups;
38 };
39
40
41 struct Ts_verify_p_User_t{
42 string token;
43 };
44
45 interface Ts{
46 void heartbeat(Ts_heartbeat_p_User_tp);
47 void gps(Ts_gps_p_GPS_tp,Ts_gps_p_Properties_tprops);
48 Ts_verify_r_Result_tverify(Ts_verify_p_User_tp);
49 };
50 idl定义了一个Ts的接口，内部有三个方法：heartbeat(),gps(),verify()
这些方法在服务器端已经实现，其他的struct类型定义了接口调用使用的参数和返回值类型，注意他们的格式：
struct Ts_verify_p_User_t{
string token;
};
这个类型将被解释成 <User token="..."/>

sequence < Ts_verify_r_Group_t > Ts_verify_r_Groups_t; 将被解释成
<Groups>
<Group id="" name="" type=""/>
...
</Groups>
努力不是白费的，python+ply实现了idl的语法解析，并生成java框架代码，并编写通信代码完成Rpc构造。

必须要注意Android不允许任何阻塞UI线程的操作，所以要实现通信必须在自己的线程中进行，我提供的Rpc调用模式只能是 oneway(单向调用) ,async(异步调用)

实例：
1 package test;
2
3
4 import sns_mobile. * ;
5
6 import java.util. * ;
7 import tce. * ;
8
9 import java.nio. * ;
10 import java.io. * ;
11
12 public class SnsTestMain{
13 TsProxytsprx = null ;
14 Stringtoken = " dBmPPfxxohFmXjx4SUv46BffzmeYitbjmzT2mRHLttGaau4kiTvKEOpW2BJE0IGLEBFZ4lE/KrMKl7qE6pNmaBUfbixMrPEG/1Xfsp36P4lmZHhQfkVgyGWa8yi5g/swbMpg8h2ybC2dQShR18VFtQkXGpEUg8VfV1Fb0UllN6j/umVaBBQX7lgqcf3zkIaGcOpvS7FB6snC/PWU1crCf2gHrgnOmZgIaKmBF14dkJsSoozRGKiIpiCjJ7mRZ05og67ZmFfOaH2EnaCo3G1pmQcez7MOqCtIvNpGo5yivmZ6GyMA2eSIlFmD2Z7ysCrxzAt92UUCNwb9mkKZrUthjA== " ;
15
16 double locs[] = { 436914.309600 , 112259.854800 , 436914.309600 , 112259.847600 , 436914.298800 , 112259.847600 , 436914.298800 , 112259.844000 , 436914.291600 , 112259.844000 , 436914.288000 , 112259.847600 , 436914.298800 , 112259.847600 , 436914.298800 , 112259.844000 , 436914.306000 , 112259.836800 , 436914.309600 , 112259.836800 , 436914.316800 , 112259.826000 , 436914.324000 , 112259.811600 , 436914.334800 , 112259.793600 , 436914.345600 , 112259.775600 , 436914.352800 , 112259.775600 , 436914.360000 , 112259.775600 , 436914.370800 , 112259.764800 , 436914.378000 , 112259.757600 , 436914.381600 , 112259.739600 , 436914.381600 , 112259.754000 , 436914.381600 , 112259.808000 , 436914.352800 , 112259.883600 , 436914.316800 , 112260.024000 , 436914.280800 , 112260.186000 , 436914.244800 , 112260.376800 , 436914.234000 , 112260.600000 , 436914.201600 , 112260.834000 , 436914.165600 , 112261.086000 , 436914.118800 , 112261.359600 , 436914.075600 , 112261.654800 , 436914.036000 , 112261.942800 , 436914.000000 , 112262.230800 , 436913.910000 , 112262.562000 , 436913.841600 , 112262.907600 , 436913.794800 , 112263.285600 , 436913.733600 , 112263.660000 , 436913.676000 , 112264.038000 , 436913.614800 , 112264.401600 , 436913.553600 , 112264.776000 , 436913.517600 , 112265.128800 , 436913.445600 , 112265.463600 , 436913.373600 , 112265.805600 , 436913.334000 , 112266.180000 , 436913.290800 , 112266.540000 , 436913.244000 , 112266.910800 , 436913.244000 , 112266.910800 , 436913.139600 , 112267.695600 , 436913.139600 , 112267.695600 , 436913.139600 , 112267.695600 , 436913.056800 , 112268.440800 , 436913.002800 , 112268.793600 , 436912.923600 , 112269.081600 , 436912.920000 , 112269.276000 , 436912.938000 , 112269.376800 , 436912.995600 , 112269.369600 , 436913.013600 , 112269.366000 , 436913.020800 , 112269.394800 , 436913.013600 , 112269.423600 , 436913.010000 , 112269.441600 , 436913.020800 , 112269.459600 , 436913.010000 , 112269.495600 , 436913.010000 , 112269.513600 , 436913.002800 , 112269.531600 , 436912.992000 , 112269.546000 , 436912.977600 , 112269.564000 , 436912.974000 , 112269.567600 , 436912.966800 , 112269.582000 , 436912.956000 , 112269.585600 , 436912.948800 , 112269.592800 , 436912.941600 , 112269.600000 , 436912.938000 , 112269.610800 , 436912.930800 , 112269.618000 , 436912.923600 , 112269.621600 , 436912.923600 , 112269.636000 , 436912.923600 , 112269.639600 , 436912.923600 , 112269.639600 , 436912.923600 , 112269.639600 , 436912.920000 , 112269.646800 , 436912.920000 , 112269.654000 , 436912.920000 , 112269.657600 , 436912.912800 , 112269.664800 , 436912.920000 , 112269.664800 , 436912.912800 , 112269.672000 , 436912.912800 , 112269.675600 , 436912.912800 , 112269.682800 , 436912.912800 , 112269.693600 , 436912.912800 , 112269.693600 , 436912.905600 , 112269.700800 , 436912.905600 , 112269.700800 , 436912.905600 , 112269.700800 , 436912.902000 , 112269.711600 , 436912.902000 , 112269.711600 , 436912.902000 , 112269.726000 , 436912.894800 , 112269.736800 , 436912.894800 , 112269.747600 , 436912.887600 , 112269.772800 , 436912.884000 , 112269.801600 , 436912.884000 , 112269.801600 , 436912.858800 , 112269.852000 , 436912.851600 , 112269.888000 , 436912.833600 , 112269.924000 , 436912.815600 , 112269.963600 , 436912.797600 , 112270.032000 , 436912.768800 , 112270.104000 , 436912.768800 , 112270.104000 , 436912.707600 , 112270.500000 , 436912.660800 , 112270.719600 , 436912.617600 , 112270.942800 , 436912.560000 , 112271.205600 , 436912.527600 , 112271.508000 , 436912.455600 , 112271.824800 , 436912.372800 , 112272.148800 , 436912.311600 , 112272.498000 , 436912.236000 , 112272.850800 , 436912.149600 , 112273.218000 , 436912.059600 , 112273.588800 , 436911.966000 , 112273.959600 , 436911.861600 , 112274.344800 , 436911.753600 , 112274.715600 , 436911.642000 , 112275.100800 , 436911.642000 , 112275.100800 , 436911.346800 , 112275.838800 , 436911.202800 , 112276.173600 , 436911.051600 , 112276.476000 , 436910.896800 , 112276.785600 , 436910.860800 , 112277.055600 , 436910.796000 , 112277.271600 , 436910.727600 , 112277.469600 , 436910.670000 , 112277.620800 , 436910.634000 , 112277.721600 , 436910.644800 , 112277.746800 , 436910.619600 , 112277.757600 , 436910.616000 , 112277.764800 , 436910.616000 , 112277.764800 , 436910.619600 , 112277.782800 , 436910.616000 , 112277.782800 , 436910.616000 , 112277.782800 , 436910.608800 , 112277.775600 , 436910.608800 , 112277.772000 , 436910.608800 , 112277.772000 , 436910.608800 , 112277.772000 , 436910.601600 , 112277.772000 , 436910.598000 , 112277.764800 , 436910.583600 , 112277.757600 , 436910.583600 , 112277.754000 , 436910.580000 , 112277.746800 , 436910.580000 , 112277.739600 , 436910.580000 , 112277.739600 , 436910.572800 , 112277.728800 , 436910.565600 , 112277.721600 , 436910.562000 , 112277.736000 , 436910.554800 , 112277.736000 , 436910.547600 , 112277.736000 , 436910.536800 , 112277.721600 , 436910.529600 , 112277.721600 , 436910.518800 , 112277.721600 , 436910.508000 , 112277.703600 , 436910.500800 , 112277.710800 , 436910.500800 , 112277.721600 , 436910.500800 , 112277.721600 , 436910.490000 , 112277.721600 , 436910.490000 , 112277.728800 , 436910.490000 , 112277.728800 , 436910.482800 , 112277.728800 , 436910.482800 , 112277.721600 , 436910.475600 , 112277.718000 , 436910.464800 , 112277.718000 , 436910.446800 , 112277.710800 , 436910.436000 , 112277.703600 , 436910.418000 , 112277.703600 , 436910.403600 , 112277.703600 , 436910.385600 , 112277.692800 , 436910.382000 , 112277.700000 , 436910.374800 , 112277.692800 , 436910.364000 , 112277.685600 , 436910.356800 , 112277.685600 , 436910.356800 , 112277.685600 , 436910.349600 , 112277.685600 , 436910.349600 , 112277.685600 , 436910.346000 , 112277.692800 , 436910.346000 , 112277.692800 , 436910.338800 , 112277.692800 , 436910.338800 , 112277.692800 , 436910.338800 , 112277.692800 , 436910.328000 , 112277.685600 , 436910.328000 , 112277.685600 , 436910.320800 , 112277.685600 , 436910.313600 , 112277.685600 , 436910.310000 , 112277.682000 , 436910.310000 , 112277.682000 , 436910.310000 , 112277.682000 , 436910.302800 , 112277.674800 , 436910.302800 , 112277.667600 , 436910.295600 , 112277.667600 , 436910.292000 , 112277.664000 , 436910.292000 , 112277.664000 , 436910.292000 , 112277.667600 , 436910.277600 , 112277.667600 , 436910.266800 , 112277.667600 , 436910.259600 , 112277.667600 , 436910.248800 , 112277.674800 , 436910.241600 , 112277.674800 , 436910.238000 , 112277.674800 , 436910.223600 , 112277.667600 , 436910.220000 , 112277.667600 , 436910.220000 , 112277.667600 , 436910.212800 , 112277.667600 , 436910.220000 , 112277.674800 , 436910.220000 , 112277.674800 , 436910.223600 , 112277.682000 , 436910.223600 , 112277.685600 , 436910.220000 , 112277.700000 , 436910.202000 , 112277.703600 , 436910.176800 , 112277.739600 , 436910.140800 , 112277.790000 , 436910.122800 , 112277.862000 , 436910.079600 , 112277.901600 , 436910.043600 , 112277.973600 , 436910.007600 , 112278.042000 , 436909.953600 , 112278.132000 , 436909.914000 , 112278.207600 , 436909.647600 , 112278.402000 , 436909.528800 , 112278.924000 , 436909.410000 , 112279.230000 , 436909.276800 , 112279.518000 , 436909.143600 , 112279.770000 , 436909.071600 , 112279.968000 , 436908.996000 , 112280.166000 , 436908.898800 , 112280.385600 , 436908.808800 , 112280.634000 , 436908.754800 , 112280.904000 , 436908.682800 , 112281.220800 , 436908.610800 , 112281.490800 , 436908.513600 , 112281.807600 , 436908.351600 , 112282.239600 , 436908.207600 , 112282.653600 , 436908.063600 , 112283.056800 , 436907.898000 , 112283.445600 , 436907.746800 , 112283.802000 , 436907.746800 , 112283.802000 , 436907.343600 , 112284.496800 , 436907.188800 , 112284.813600 , 436907.052000 , 112285.116000 , 436906.947600 , 112285.422000 , 436906.857600 , 112285.720800 , 436906.720800 , 112286.055600 , 436906.720800 , 112286.055600 , 436906.440000 , 112286.674800 , 436906.440000 , 112286.674800 , 436906.288800 , 112287.042000 , 436906.288800 , 112287.042000 , 436906.000800 , 112287.934800 , 436905.864000 , 112288.330800 , 436905.712800 , 112288.701600 , 436905.558000 , 112289.061600 , 436905.414000 , 112289.410800 , 436905.288000 , 112289.745600 , 436905.162000 , 112290.084000 , 436905.036000 , 112290.408000 , 436905.039600 , 112290.699600 , 436905.057600 , 112291.005600 , 436905.093600 , 112291.200000 , 436905.324000 , 112291.326000 , 436905.478800 , 112291.473600 , 436905.756000 , 112291.506000 , 436906.054800 , 112291.506000 , 436906.353600 , 112291.524000 , 436906.677600 , 112291.542000 , 436907.008800 , 112291.563600 , 436907.358000 , 112291.588800 , 436907.728800 , 112291.596000 , 436908.114000 , 112291.596000 , 436908.520800 , 112291.596000 , 436908.960000 , 112291.560000 , 436908.960000 , 112291.560000 , 436909.863600 , 112291.480800 , 436909.863600 , 112291.480800 , 436910.320800 , 112291.437600 , 436910.320800 , 112291.437600 , 436911.246000 , 112291.380000 , 436911.246000 , 112291.380000 , 436911.246000 , 112291.380000 , 436912.149600 , 112291.362000 , 436912.578000 , 112291.380000 , 436912.948800 , 112291.398000 , 436913.283600 , 112291.416000 , 436913.578800 , 112291.419600 , 436913.820000 , 112291.426800 , 436914.010800 , 112291.426800 , 436914.172800 , 112291.437600 , 436914.324000 , 112291.444800 , 436914.435600 , 112291.437600 , 436914.514800 , 112291.434000 , 436914.576000 , 112291.437600 , 436914.622800 , 112291.434000 , 436914.648000 , 112291.434000 , 436914.658800 , 112291.444800 , 436914.666000 , 112291.444800 , 436914.669600 , 112291.452000 , 436914.669600 , 112291.455600 , 436914.676800 , 112291.452000 , 436914.676800 , 112291.452000 , 436914.687600 , 112291.452000 , 436914.694800 , 112291.452000 , 436914.694800 , 112291.452000 , 436914.694800 , 112291.444800 , 436914.702000 , 112291.452000 , 436914.702000 , 112291.444800 , 436914.702000 , 112291.452000 , 436914.694800 , 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17 public int ii = 100 ;
18
19
20 Ts_verify_r_Result_tuser_ok = null ;
21
22 Terminaltermthis = null ;
23 RpcCommAdapteradapter = null ;
24 Threadthread;
25 SnsTestMain(){
26
27
28 thread = new Thread( new Runnable(){
29 public void run(){
30 try {
31 while ( true ){
32 Thread.sleep( 2000 );
33 if (tsprx != null ){
34 heartbeat();
35 send_gps();
36 }
37
38 }
39 } catch (Exceptione){
40 System.out.println(e.toString());
41 System.out.println( " threadexiting " );
42 }
43 }
44
45 });
46 // thread.start();
47
48 initServant();
49 }
50
51 void initServant(){
52 adapter = RpcCommunicator.instance().createAdapter( " termimal " ,RpcConsts.MSG_ENCODE_XML);
53 termthis = new Terminal(){
54 @Override
55 public void hello(RpcContextctx){
56
57 }
58 };
59 adapter.addServant(termthis);
60 }
61
62 void heartbeat(){
63 Ts_heartbeat_p_User_tuser = new Ts_heartbeat_p_User_t();
64 user.id = user_ok.user.id;
65 tsprx.heartbeat_oneway(user);
66 }
67
68
69 void send_gps(){
70 Ts_gps_p_GPS_tgps = new Ts_gps_p_GPS_t();
71 gps.lon = Float.valueOf(( float ) 121.2004 );
72 gps.lat = Float.valueOf(( float ) 31.1234 );
73 gps.speed = ( float ) 0.0 ;
74 gps.direction = ( float ) 35.5 ;
75 gps.time = new Date().getSeconds();
76 Ts_gps_p_Properties_tprops = new Ts_gps_p_Properties_t();
77 props.senderid = user_ok.user.id;
78 props.target_type = " 2 " ;
79 props.users = " 1001,1002 " ;
80 props.groups = " 2001,2001 " ;
81 tsprx.gps_oneway(gps,props);
82
83 }
84
85 public Tc_redirect_r_Result_ttest_redirect(){
86
87 TcProxytc = TcProxy.createWithXML( " 172.26.181.193 " , 8881 ); // 8889
88 Tc_redirect_p_User_tuser = new Tc_redirect_p_User_t();
89 user.token = token;
90 Tc_redirect_r_Result_tr = null ;
91 try {
92 tc.redirect_async(user, new Tc_AsyncCallBack(){
93 @Override
94 public void redirect(Tc_redirect_r_Result_tresult,RpcProxyBaseproxy){
95 System.out.println(String.format( " %s%d " ,result.tc_srv_ip,result.tc_srv_port));
96 // 到这里重定向调度okay
97 test_verify(result.tc_srv_ip,result.tc_srv_port);
98 }
99 @Override
100 protected void onError(Stringname,Stringmsg,RpcProxyBaseproxy){
101 System.out.println(String.format( " error:%smsg:%s " ,name,msg));
102 }
103 });
104 // tc.destroy();
105 } catch (Exceptione){
106 System.out.println(e.toString());
107 return null ;
108 }
109 return r;
110 }
111
112 public Tc_redirect_r_Result_ttest_verify(Stringhost, int port){
113 tsprx = TsProxy.createWithXML(host,port);
114 Ts_verify_p_User_tuser = new Ts_verify_p_User_t();
115 user.token = token;
116 try {
117 tsprx.verify_async(user, new Ts_AsyncCallBack(){
118 @Override
119 public void verify(Ts_verify_r_Result_tresult,RpcProxyBaseproxy){
120 System.out.println(String.format( " verifyback()msg:%scode:%dgourps.length:%d " ,result.msg,result.code,result.groups.size()));
121 user_ok = result;
122 tsprx.conn.attachAdapter(adapter);
123 send_gps();
124 }
125 });
126 // ts.destroy();
127 } catch (Exceptione){
128 System.out.println(e.toString());
129 return null ;
130 }
131 return null ;
132 }
133
134
135 public static void test(){
136 SnsTestMainsns = new SnsTestMain();
137 sns.test_redirect();
138 }
139
140 public static void mainxxx(String[]args){
141 SnsTestMain.test();
142
143 }
144
145 }
146

IDL 语法树结构 python+ ply
lexical.py
1 import sys
2
3 language = ' py '
4 arch = ' 32 '
5
6 class SyntexTreeNode:
7 def __init__ (self,name):
8 self.name = None
9
10 class Container:
11 def __init__ (self,name = '' ):
12 # SyntexTreeNode.__init__(self,name)
13 self.children = {}
14 self.list = []
15
16 def addChild(self,c):
17 # self.children.append(c)
18 self.children[c.getName()] = c
19 self.list.append(c)
20
21 def createStruct(self,st):
22 pass
23
24 def createInterface(self,ifc):
25 pass
26
27 def createSequence(self,seq):
28 pass
29
30 def createDictionary(self,dict):
31 pass
32
33 def createEnumeration(self,enm):
34 pass
35
36 def createUnit(self,unit):
37 pass
38
39
40
41
42
43 class Contained:
44 def __init__ (self,container = None):
45 self.container = container
46
47 class TypeId:
48 def __init__ (self,type,id): # 变量定义typeid;
49 self.type = type # intname,<int>istype,<name>isid
50 self.id = id
51
52
53 class TypeBase:
54 def __init__ (self,name):
55 self.name = name
56 self.idx = 0 # 索引，用于数据序列化时类型识别
57 # self.type=name
58
59 def getName(self):
60 return self.name
61
62 def getTypeDefaultValue(self):
63 if language == ' py ' :
64 return ' %s() ' % self.name
65 if language == ' as ' :
66 return ' new%s() ' % self.name
67 if language == ' cpp ' :
68 return ' %s() ' % self.name
69 if language == ' java ' :
70 return ' new%s() ' % self.name
71
72 def getMappingTypeName(self):
73 r = self.name
74
75 return r
76
77 class DataMember(Contained):
78 def __init__ (self,d,container): # d-type_id
79 Contained. __init__ (self,container)
80 self.d = d
81 self.name = d.id
82 self.type = d.type
83
84 class Sequence(Contained,TypeBase):
85 def __init__ (self,name,type):
86 TypeBase. __init__ (self,name)
87 self.type = type # sequence<type>name;
88 self.valuetype = type
89
90 def getTypeDefaultValue(self):
91 if language == ' py ' :
92 return ' [] '
93 if language == ' as ' :
94 return ' newArray() '
95 if language == ' cpp ' :
96 return ' std::vector<%s>() ' % self.type.getMappingTypeName()
97 if language == ' java ' :
98 return ' newVector<%s>() ' % self.type.getMappingTypeName()
99
100 def getMappingTypeName(self):
101 r = ''
102 if language == ' as ' :
103 r = ' Array '
104
105 if language == ' cpp ' :
106 return ' std::vector<%s> ' % self.type.getMappingTypeName()
107 if language == ' java ' :
108 return ' Vector<%s> ' % self.type.getMappingTypeName()
109
110 return r
111
112 class Dictionary(Contained,TypeBase):
113 def __init__ (self,name,first,second):
114 TypeBase. __init__ (self,name)
115 self.first = first
116 self.second = second
117
118 def getTypeDefaultValue(self):
119 if language == ' py ' :
120 return ' {} '
121 if language == ' as ' :
122 return ' newHashMap() '
123
124 if language == ' cpp ' :
125 # return'boost::shared_ptr<std::map<%s,%s>>(newstd::map<%s,%s>())'%(self.first.name,self.second.name,self.first.name,self.second.name)
126 # return'%s::hash_type()'%self.name
127 return ' std::map<%s,%s>() ' % (self.first.getMappingTypeName(),self.second.getMappingTypeName())
128 if language == ' java ' :
129 return ' newHashtable<%s,%s>() ' % (self.first.getMappingTypeName(),
130 self.second.getMappingTypeName()
131 )
132
133
134 def getMappingTypeName(self):
135 r = ''
136 if language == ' as ' :
137 r = ' HashMap '
138 if language == ' cpp ' :
139 # return'boost::shared_ptr<std::map<%s,%s>>'%(self.first.name,self.second.name)
140 # return'%s::hash_type'%(self.name)
141 r = ' std::map<%s,%s> ' % (self.first.getMappingTypeName(),self.second.getMappingTypeName())
142
143 if language == ' java ' :
144 r = ' Hashtable<%s,%s> ' % (self.first.getMappingTypeName(),self.second.getMappingTypeName())
145
146 return r
147
148 class Enumeration(Contained,TypeBase):
149 def __init__ (self,name):
150 TypeBase. __init__ (name)
151
152 class OperateMember(Contained):
153 def __init__ (self,name,type,params):
154 self.name = name
155 self.type = type # callreturn[typefoo(params)]
156 self.params = params
157 pass
158
159 class Struct(Container,Contained,TypeBase):
160 def __init__ (self,name):
161 Container. __init__ (self)
162 Contained. __init__ (self)
163 TypeBase. __init__ (self,name)
164
165 def createDataMember(self,dm):
166 if self.children.has_key(dm.id):
167 return False
168 e = DataMember(dm,self)
169 self.children[dm.id] = e
170 self.list.append(e)
171 return True
172
173
174
175 class Interface(Container,Contained,TypeBase):
176 def __init__ (self,name):
177 Container. __init__ (self)
178 Contained. __init__ (self)
179 TypeBase. __init__ (self,name)
180
181
182
183 def createOperateMember(self,opm):
184
185 if self.children.has_key(opm.name):
186 return False
187 self.children[opm.name] = opm
188 self.list.append(opm)
189
190 return True
191
192 class Unit(Container):
193 def __init__ (self):
194 Container. __init__ (self)
195 pass
196
197
198 class Builtin(TypeBase):
199 def __init__ (self,type):
200 TypeBase. __init__ (self,type)
201 self.type = type
202
203 tables = [
204 ' byte ' ,
205 ' bool ' ,
206 ' short ' ,
207 ' int ' ,
208 ' long ' ,
209 ' float ' ,
210 ' double ' ,
211 ' string ' ,
212 ]
213
214 @staticmethod
215 def isBuiltinType(type):
216 return Builtin.tables.count(type)
217
218 def getTypeDefaultValue(self):
219 r = ' None '
220 type = self.type
221 if type in ( ' byte ' , ' short ' , ' int ' , ' long ' ):
222 r = ' 0 '
223 if language == ' java ' :
224 if type == ' byte ' :
225 # r='%s.valueOf((byte)0)'%self.getMappingTypeName()
226 r = ' 0 '
227 else :
228 r = ' %s.valueOf(0) ' % self.getMappingTypeName()
229
230 elif type in ( ' float ' , ' double ' ):
231 r = ' 0.0 '
232 if language == ' java ' :
233 r = ' %s.valueOf(0) ' % self.getMappingTypeName()
234
235 elif type in ( ' bool ' ):
236 r = ' False '
237 if language in ( ' as ' , ' cpp ' ):
238 r = ' false '
239 # iflanguage=='cpp':
240 # r='false'
241 if language == ' java ' :
242 r = ' %s.valueOf(false) ' % self.getMappingTypeName()
243
244 elif type in ( ' string ' ):
245 r = " '' "
246 if language in ( ' as ' , ' cpp ' , ' java ' ):
247 r = " \ " \ ""
248 # iflanguage=='cpp':
249 # r="\"\""
250
251 return r
252
253 def getMappingTypeName(self):
254 r = ' -^|^* ' * 5
255
256 if language == ' as ' :
257 type = self.type
258 if type in ( ' byte ' ,): # 'bool'):
259 r = ' uint '
260 if type in ( ' bool ' ,):
261 r = ' Boolean '
262 if type in ( ' short ' , ' int ' ):
263 r = ' int '
264 elif type in ( ' float ' , ' long ' , ' double ' ):
265 r = ' Number '
266 elif type in ( ' string ' ):
267 r = " String "
268 elif type in ( ' void ' ):
269 r = ' void '
270
271 if language == ' cpp ' :
272 type = self.type
273
274 if type in ( ' byte ' ,): # 'bool'):
275 r = ' unsignedchar '
276 if type in ( ' bool ' ,):
277 r = ' bool '
278 if type in ( ' short ' ,):
279 r = ' short '
280 if type in ( ' int ' ,):
281 r = ' int '
282 elif type in ( ' float ' ,):
283 r = type
284 elif type in ( ' long ' ,):
285 r = type
286 if arch == ' 32 ' :
287 r = ' longlong '
288 elif type in ( ' double ' ,):
289 r = type
290 elif type in ( ' string ' ):
291 r = " std::string "
292 elif type in ( ' void ' ):
293 r = ' void '
294
295 if language == ' java ' :
296 type = self.type
297
298 if type in ( ' byte ' ,): # 'bool'):
299 r = ' Byte '
300 if type in ( ' bool ' ,):
301 r = ' Boolean '
302 if type in ( ' short ' ,):
303 r = ' Short '
304 if type in ( ' int ' ,):
305 r = ' Integer '
306 elif type in ( ' float ' ,):
307 r = ' Float '
308 elif type in ( ' long ' ,):
309 r = ' Long '
310
311 elif type in ( ' double ' ,):
312 r = ' Double '
313 elif type in ( ' string ' ):
314 r = " String "
315 elif type in ( ' void ' ):
316 r = ' void '
317
318 return r
319
320 @staticmethod
321 def id(name):
322 pass
323
324 @staticmethod
325 def str(id_):
326 pass
327
328 types_def = {}
329 kwds = [ ' struct ' ,
330 ' interface ' ,
331 ' sequence ' ,
332 ' dictionary ' ,
333 ' exception ' ,
334 ' void '
335 ]
336
337 def getTypeDef(type):
338 t = types_def.get(type,None)
339 return t
340
341 # 检测变量名称是否合法
342 def checkVariantName(name,all = True):
343 if kwds.count(name):
344 return False
345 if all:
346 if getTypeDef(name):
347 return False
348 return True
349
350 def initBuiltinTypes():
351 for t in Builtin.tables:
352 types_def[t] = Builtin(t)
353
354 types_def[ ' void ' ] = Builtin( ' void ' )
355
356 initBuiltinTypes()
357
358 unit = None

继续贴语法代码 grammar.py
1 # --coding:utf-8--
2
3
4 # scottshanghaichina
5 # qq:24509826msn:[email protected]
6 #
7
8 import sys
9
10
11
12 if " .. " not in sys.path:sys.path.insert(0, " .. " )
13
14 import os,sys,os.path,struct,time,traceback,string
15
16 import ply.lexaslex
17 import ply.yaccasyacc
18
19 from lexparser import *
20 import lexparserasmyparser
21
22 '''
23 默认是SLR，我们也可以通过参数指定为LALR(
24
25 idl
26 interface定义函数参数保留名称：d,idx,m
27 '''
28
29
30 tokens = (
31 ' IDENTIFIER ' , ' STRUCT ' , ' NUMBER ' , ' INTERFACE ' ,
32 ' SEQUENCE ' , ' DICTIONARY ' , ' EXCEPTION ' , ' COMMENTLINE ' ,
33 # 'VOID',
34
35 )
36
37 def t_COMMENTLINE(t):
38 ' //.*\n '
39
40 def t_SEQUENCE(t):
41 ' sequence '
42 return t
43
44 def t_DICTIONARY(t):
45 ' dictionary '
46 return t
47
48
49 def t_STRUCT(t):
50 ' struct '
51 return t
52
53
54 def t_INTERFACE(t):
55 ' interface '
56 return t
57
58 # deft_VOID(t):
59 # 'void'
60 # returnt
61
62 def t_IDENTIFIER(t):
63 ' [A-Za-z_][A-Za-z0-9_]* '
64 return t
65
66 t_NUMBER = r ' \d+([uU]|[lL]|[uU][lL]|[lL][uU])? '
67
68 t_ignore = " \t "
69
70 def t_newline(t):
71 r ' \n+ '
72 t.lexer.lineno += 1 # int(t.value)#.count("\n")
73
74
75 def t_error(t):
76 print ( " Illegalcharacter'%s' " % t.value[0])
77 t.lexer.skip( 1 )
78
79 literals = [ ' { ' , ' } ' , ' ; ' , ' ( ' , ' ) ' , ' < ' , ' > ' , ' , ' ]
80
81 # Buildthelexer
82 lexer = lex.lex()
83
84 # literals=[':',',','(',')']
85
86
87
88 # lexer.input(data)
89
90 # while1:
91 # tok=lexer.token()
92 # ifnottok:break
93 # printtok.type,tok.value
94 # sys.exit()
95
96
97 def p_start(t):
98 ''' start:definations
99 '''
100
101 defs = t[ 1 ]
102 unit = Unit()
103
104 defs.reverse()
105
106 # printdefs
107 for d in defs:
108 unit.addChild(d)
109
110
111 t[0] = unit
112
113 # t[0]=t[1]
114 # printt[0]
115
116 def p_definations(t):
117 ''' definations:defination '''
118
119 t[0] = [t[ 1 ],]
120
121 def p_definations_2(t):
122 ''' definations:definationdefinations '''
123 t[ 2 ].append(t[ 1 ])
124 t[0] = t[ 2 ]
125
126 def p_defination(t):
127 ''' defination:struct_def';'
128 |interface_def';'
129 |sequence_def';'
130 |dictionary_def';'
131 |
132 '''
133 t[0] = t[ 1 ]
134
135
136 def p_sequence_def(t):
137 '''
138 sequence_def:SEQUENCE'<'type'>'IDENTIFIER
139 '''
140 # print'sequence..',t[3]
141 name = t[ 5 ]
142
143 if not checkVariantName(name,False):
144 print ' error:sequence<%s>.%sillegal! ' % (t[ 3 ],name)
145 sys.exit()
146
147 if getTypeDef(name):
148 print ' error:line%ssequence(%s)hasexisted! ' % (t.lineno( 1 ),name)
149 sys.exit() # sequence的类型名存在
150
151 type_ = t[ 3 ]
152 # ifnotgetTypeDef(type_):
153 # print'error:sequence%s<%s>notdefined!'%(name,type_)
154 # sys.exit()
155 # print'xxx.',name,type_
156
157 seq = Sequence(name,type_)
158 types_def[name] = seq
159 t[0] = seq
160
161 def p_dictionary_def(t):
162 '''
163 dictionary_def:DICTIONARY'<'type','type'>'IDENTIFIER
164 '''
165 first = t[ 3 ]
166 second = t[ 5 ]
167 name = t[ 7 ]
168 # printfirst,second,name
169
170 if not checkVariantName(name,False):
171 print ' error:dictionary<%s>illegal! ' % (name)
172 sys.exit()
173
174 if getTypeDef(name):
175 print ' error:line%sdictionarytype(%s)hasexisted! ' % (t.lineno( 1 ),name)
176 sys.exit() # sequence的类型名存在
177
178
179 # ifnotgetTypeDef(first):
180 # print'error:dictionary%s.first<%s>notdefined!'%(name,first)
181 # sys.exit()
182 #
183 # ifnotgetTypeDef(second):
184 # print'error:dictionary%s.second<%s>notdefined!'%(name,second)
185 # sys.exit()
186
187 dict = Dictionary(name,first,second)
188 types_def[name] = dict
189 t[0] = dict
190
191 def p_interface_def(t):
192 '''
193 interface_def:INTERFACEIDENTIFIER'{'operatemembers'}'
194 '''
195 # printt[1],t[2]
196 id = t[ 2 ]
197 type_ = getTypeDef(id)
198 if type_:
199 print ' error:interfacename(%s)hasexisted! ' % id
200 sys.exit()
201
202 ifc = Interface(id)
203 opms = t[ 4 ]
204 opms.reverse()
205 # 检测函数名称是否有重复
206 # printopms
207 for opm in opms:
208 if not ifc.createOperateMember(opm):
209
210 print ' error:line%screateOperateMemberfailed!interface::%s.%s ' % (t.lineno( 3 ),t[ 2 ],opm.name)
211 sys.exit()
212 # printtype(ifc.children)
213 types_def[id] = ifc
214 t[0] = ifc # reducetosyntaxtree
215
216
217
218 def p_operatemembers(t):
219 '''
220 operatemembers:operatemember
221 '''
222 # print'operatemembernum:',len(t)#1meansnooperatemebmer
223 # iflen(t)>1:
224 # t[0]=t[1]
225 # else:
226 # t[0]=[]
227 t[0] = [t[ 1 ],]
228
229
230 def p_operatemembers_2(t):
231 '''
232 operatemembers:operatememberoperatemembers
233 '''
234 if type(t[ 2 ]) != type([]):
235 t[0] = [t[ 1 ],t[ 2 ]]
236 else :
237 t[ 2 ].append(t[ 1 ])
238 t[0] = t[ 2 ]
239
240 def p_operatemember(t):
241 '''
242 operatemember:callreturnIDENTIFIER'('operateparams')'';'
243
244 '''
245 params = t[ 4 ]
246 params.reverse() # 这里必须进行倒置一下
247 for p in params:
248 if p.id in ( ' d ' , ' p ' , ' m ' , ' r ' , ' idx ' , ' size ' , ' cr ' , ' container ' , ' o ' , ' prx ' , ' m2 ' ):
249 p.id += ' _ '
250 opm = OperateMember(t[ 2 ],t[ 1 ],params)
251 t[0] = opm
252 # print'x1.',opm
253
254 def p_operateparams(t):
255 '''
256 operateparams:type_id
257 |
258 '''
259 if len(t) > 1 :
260 t[0] = [t[ 1 ],]
261 else :
262 t[0] = []
263
264
265 def p_operateparams_2(t):
266 '''
267 operateparams:type_id','operateparams
268 '''
269
270 t[ 3 ].append(t[ 1 ])
271 t[0] = t[ 3 ]
272
273 def p_callreturn(t):
274 '''
275 callreturn:type
276 '''
277 t[0] = t[ 1 ]
278
279
280 def p_struct_def(t):
281 ''' struct_def:STRUCTIDENTIFIER'{'datamembers'}' '''
282 id = t[ 2 ]
283
284 type = getTypeDef(id)
285 if type:
286 print ' errorstructname:%sexisted! ' % (id)
287 sys.exit()
288
289 st = Struct(id)
290 # printt[4]
291 t[ 4 ].reverse()
292 for dm in t[ 4 ]:
293 if not st.createDataMember(dm):
294 print ' error:datamember<%s>name<%s>hasexisted! ' % (id,dm.id)
295 sys.exit()
296
297 types_def[id] = st # 注册数据类型到全局类型表
298 # printtypes_def
299 t[0] = st
300
301
302
303 def p_datamembers(t):
304 '''
305 datamembers:datamember
306 '''
307 # printt[1]
308 # t[0]=t[1]
309 t[0] = [t[ 1 ],]
310 # print'a1..'
311 # printt[0]
312
313 def p_datamembers_2(t):
314 '''
315 datamembers:datamemberdatamembers
316 '''
317 if type(t[ 2 ]) != type([]):
318 t[0] = [t[ 1 ],t[ 2 ]]
319 else :
320 t[ 2 ].append(t[ 1 ])
321 t[0] = t[ 2 ]
322
323
324 def p_datamember(t):
325 '''
326 datamember:type_id';'
327 '''
328 # print'datamenber..'
329 t[0] = t[ 1 ]
330
331 def p_type_id(t):
332 '''
333 type_id:typeIDENTIFIER
334 '''
335 # printt[1],t[2]
336 id = t[ 2 ]
337 if not checkVariantName(id):
338 print ' error:type_id.id<%s>illegal! ' % (id)
339 sys.exit()
340
341 t[0] = TypeId(t[ 1 ],t[ 2 ])
342
343
344
345
346 def p_type(t):
347 ''' type:IDENTIFIER
348 '''
349 type = getTypeDef(t[ 1 ])
350
351 if type:
352 t[0] = type
353 else :
354 print ' error:line%s ' % (t.lineno), ' type:%snotexisted! ' % t[ 1 ]
355 sys.exit()
356
357
358 def p_error(t):
359 print ( " Syntaxerrorat'%s' " % t)
360 # printt.lineno,t.lexpos
361
362 yacc.yacc(debug = True,method = " SLR " )
363
364 data = '''
365
366 sequence<int>IntList;
367
368 structstudent{
369 intx;
370 inty;
371 intz;
372 doublefractor;
373 IntListids;
374 };
375
376 interfacebooksystem{
377 inttest1(intage);
378 inttest2(intage);
379 };
380
381 structdog{
382 intname;
383 stringdog;
384 intname2;
385 studentst1;
386 };
387
388
389
390 '''
391
392 data = '''
393
394 structanimal{
395 intx;
396 };
397
398 sequence<animal>IntList;
399
400 structstudent{
401 intx;
402 inty;
403 intz;
404 doublefractor;
405 IntListids;
406 };
407
408 interfacebooksystem{
409 inttest1(intage);
410 inttest2(intage);
411 };
412
413 sequence<IntList>XX;
414
415 dictionary<int,int>int2_t;
416
417 dictionary<int2_t,string>intstr_t;
418
419
420 '''
421
422 def filterComments(data):
423 return data
424 lines = data.split( " \n " )
425 result = []
426 for line in lines:
427 x = line.strip()
428 if x and x[0] == ' # ' :
429 continue
430 result.append(line)
431 data = string.join(result, ' \n ' )
432 return data
433
434 def syntax_result(data):
435 return yacc.parse(filterComments(data))
436

以上为词法和语法解析idl的代码，生成了语法树了，这部分如果idl不做扩展，这部分是无需修改

接下来就是各种语言版本的代码mapping了，也就是根据grammar tree的生成对于的框架代码，代码过长，这里就不帖了

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