hunt.sql.dialect.mysql.ast.clause.MySqlStatementType source code

1 /*
2  * Copyright 2015-2018 HuntLabs.cn
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 module hunt.sql.dialect.mysql.ast.clause.MySqlStatementType;
17 
18 import hunt.sql.ast.SQLStatement;
19 import hunt.sql.ast.statement;
20 import hunt.sql.dialect.mysql.ast.statement.MySqlDeleteStatement;
21 import hunt.sql.dialect.mysql.ast.statement.MySqlInsertStatement;
22 import hunt.sql.dialect.mysql.ast.statement.MySqlUpdateStatement;
23 
24 
25 public struct MySqlStatementType {
26 	//select statement
27 	enum  MySqlStatementType SELECT = MySqlStatementType("SQLSelectStatement");
28 	//update statement
29 	enum  MySqlStatementType UPDATE = MySqlStatementType("MySqlUpdateStatement");
30 	//insert statement
31 	enum  MySqlStatementType INSERT = MySqlStatementType("MySqlInsertStatement");
32 	//delete statement
33 	enum  MySqlStatementType DELETE = MySqlStatementType("MySqlDeleteStatement");
34 	//while statement
35 	enum  MySqlStatementType WHILE = MySqlStatementType("SQLWhileStatement");
36 	//begin-end
37 	enum  MySqlStatementType IF = MySqlStatementType("SQLIfStatement");
38 	//begin-end
39 	enum  MySqlStatementType LOOP = MySqlStatementType("SQLLoopStatement");
40 	//begin-end
41 	enum  MySqlStatementType BLOCK = MySqlStatementType("SQLBlockStatement");
42 	//declare statement
43 	enum  MySqlStatementType DECLARE = MySqlStatementType("MySqlDeclareStatement");
44 	//select into
45 	enum  MySqlStatementType SELECTINTO = MySqlStatementType("MySqlSelectIntoStatement");
46 	//case
47 	enum  MySqlStatementType CASE = MySqlStatementType("MySqlCaseStatement");
48 	
49 	enum MySqlStatementType UNDEFINED = MySqlStatementType("");
50 	
51 	static MySqlStatementType[] _types;
52 
53 	// static this()
54 	// {
55 	// 	_types = [SELECT,UPDATE,INSERT,DELETE,WHILE,IF,LOOP,BLOCK,DECLARE,SELECTINTO,CASE,UNDEFINED];
56 	// }
57 	
58 	static MySqlStatementType[] values()
59 	{
60 		return _types;
61 	}
62 
63 	public  string name;
64 
65 	// this(){
66     //     this("");
67     // }
68 
69 	this(string name){
70         this.name = name;
71     }
72 	public static MySqlStatementType getType(SQLStatement stmt)
73 	{
74 		 foreach (MySqlStatementType type ; MySqlStatementType.values()) {
75              if (type.name == typeof(stmt).stringof) {
76                  return type;
77              }
78          }
79 		 return UNDEFINED;
80 	}
81 
82 	bool opEquals(const MySqlStatementType h) nothrow {
83         return name == h.name ;
84     } 
85 
86     bool opEquals(ref const MySqlStatementType h) nothrow {
87         return name == h.name ;
88     } 
89 }