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Atitti.java exp ast java表达式语法ast构造器
Atitti.java exp ast java表达式语法ast构造器
/atiplat_cms/src/com/attilax/lang/AstParser.java
原理
分割tokens_slice_li
分析splitor,, 主要是dot 和end
作者:: ★(attilax)>>> 绰号:老哇的爪子 ( 全名::Attilax Akbar Al Rapanui 阿提拉克斯 阿克巴 阿尔 拉帕努伊 ) 汉字名:艾龙, EMAIL:1466519819@qq.com
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package com.attilax.lang;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import com.attilax.fsm.JavaExpFsm;
import com.attilax.json.AtiJson;
import com.attilax.net.UrlEncode_del;
import com.google.common.collect.Lists;
public class AstParser {
public Object obj;
public Object rzt;
public static void main(String[] args) throws UnsupportedEncodingException {
System.out
.println(URLEncoder
.encode("new(com.attilax.util.connReduceDync).set_resfile(userPhone4jobusImp/uc_js.txt).joinNoutV2()",
"utf8"));
String s="new(com.attilax.orm.AtiOrmV2).queryAsRzt(\"select sum(rmb) sumx from recharge where accountId in ( select id as uid from account where promoter=888 ) \")";
s=" new(com.attilax.agent.AgentRechargeService).getSubMemTotalsRecycleByAgentId(\"promoter:$pid$,fld2:v2\")";
s="new(com.attilax.user.AgentService).login(admin,admin)";
System.out.println( new AstParser().getExprsLiAst(s));
//"select sum(rmb) sumx from recharge where accountId in ( select id as uid from account where promoter=888 )"
System.out.println("..");
// System.setProperty("prj","jobus");
// String
// code="new(com.attilax.util.connReduceDync).set_resfile(userPhone4jobusImp/uc_js.txt).joinNoutV2() ".trim();
// Ast astParser = new Ast();
// List ast=astParser.getExprsLiAst(code);
// System.out.println(AtiJson.toJson( astParser.parse(ast)));
//s="login(admin,admin)";
}
// public Object parse;
public Object parse(List ast) {
for (Object object : ast) {
// String exp=(String) object;
parseSingle(object);
}
return this.rzt;
}
private void parseSingle(Object exp) {
Exprs e = (Exprs) (exp);
e.obj = this.obj;
this.rzt = e.calc();
this.obj = e.obj;
}
@SuppressWarnings("all")
public List getExprsLiAst(String code) {
List li = new ArrayList();
List tokens = new JavaExpFsm(code).getTokens();
System.out.println(AtiJson.toJson(tokens));
List<String> tokens_slice_li = Lists.newLinkedList();
for (int i = 0; i < tokens.size(); i++) {
// last
// dot is expres splitor..if cur pos of tokens is dot
if (tokens.get(i).toString().trim().equals(".")
) {
Exprs e = getExprsFrmTokenslice(tokens_slice_li);
li.add(e);
tokens_slice_li = Lists.newLinkedList();
continue;
}
if( i == tokens.size()-1)
{
tokens_slice_li.add((String) tokens.get(i));
Exprs e = getExprsFrmTokenslice(tokens_slice_li);
li.add(e);
break;
}
tokens_slice_li.add((String) tokens.get(i));
}
// Collections.addAll(li, a);
return li;
}
private Exprs getExprsFrmTokenslice(List<String> tokens_slice_li) {
Exprs e = new Exprs();
//if (tokens_slice_li.size() == 5) {
//
//}
//if (tokens_slice_li.size() == 4) {
//e.method = (String) tokens_slice_li.get(0);
//String params = tokens_slice_li.get(2);
////e.params = params; //e.parseParams(params.toString());
//e.params = Lists.newLinkedList();
//e.params.add(params);
////q716 must as a params..
////‘new(com.attilax.agent.AgentRechargeService).getSubMemTotalsRecycleByAgentId("promoter:$pid$,fld2:v2")‘;
//
//}
// last log() mode ,empty param mode
if (tokens_slice_li.size() == 3) {
e.method = (String) tokens_slice_li.get(0);
e.params = Lists.newLinkedList();
}else
{
e.method = (String) tokens_slice_li.get(0);
e.params = parseParams(tokens_slice_li);
}
return e;
}
@Deprecated
public List parseParams(String pa_str) {
String[] a=pa_str.split(",");
List li=new ArrayList();
Collections.addAll(li, a);
return li;
}
/**
attilax 2016年9月2日 下午12:12:01
* @param tokens_slice_li
* @return
*/
public List parseParams(List<String> tokens_slice_li) {
List li=new ArrayList();
for(int i=2;i<tokens_slice_li.size()-1;i++)
{
li.add(tokens_slice_li.get(i));
}
return li;
}
}
Atitti.java exp ast java表达式语法ast构造器