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1 /*
2  * Copyright (C) 2007 Apple Inc. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  *
8  * 1.  Redistributions of source code must retain the above copyright
9  *     notice, this list of conditions and the following disclaimer.
10  * 2.  Redistributions in binary form must reproduce the above copyright
11  *     notice, this list of conditions and the following disclaimer in the
12  *     documentation and/or other materials provided with the distribution.
13  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
14  *     its contributors may be used to endorse or promote products derived
15  *     from this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #include "config.h"
30 #include "JSSQLTransaction.h"
31 
32 #if ENABLE(DATABASE)
33 
34 #include "DOMWindow.h"
35 #include "ExceptionCode.h"
36 #include "JSSQLStatementCallback.h"
37 #include "JSSQLStatementErrorCallback.h"
38 #include "JSDOMWindowCustom.h"
39 #include "SQLTransaction.h"
40 
41 using namespace JSC;
42 
43 namespace WebCore {
44 
executeSql(ExecState * exec)45 JSValue JSSQLTransaction::executeSql(ExecState* exec)
46 {
47     if (!exec->argumentCount()) {
48         setDOMException(exec, SYNTAX_ERR);
49         return jsUndefined();
50     }
51 
52     String sqlStatement = ustringToString(exec->argument(0).toString(exec));
53     if (exec->hadException())
54         return jsUndefined();
55 
56     // Now assemble the list of SQL arguments
57     Vector<SQLValue> sqlValues;
58     if (!exec->argument(1).isUndefinedOrNull()) {
59         JSObject* object = exec->argument(1).getObject();
60         if (!object) {
61             setDOMException(exec, TYPE_MISMATCH_ERR);
62             return jsUndefined();
63         }
64 
65         JSValue lengthValue = object->get(exec, exec->propertyNames().length);
66         if (exec->hadException())
67             return jsUndefined();
68         unsigned length = lengthValue.toUInt32(exec);
69         if (exec->hadException())
70             return jsUndefined();
71 
72         for (unsigned i = 0 ; i < length; ++i) {
73             JSValue value = object->get(exec, i);
74             if (exec->hadException())
75                 return jsUndefined();
76 
77             if (value.isUndefinedOrNull())
78                 sqlValues.append(SQLValue());
79             else if (value.isNumber())
80                 sqlValues.append(value.uncheckedGetNumber());
81             else {
82                 // Convert the argument to a string and append it
83                 sqlValues.append(ustringToString(value.toString(exec)));
84                 if (exec->hadException())
85                     return jsUndefined();
86             }
87         }
88     }
89 
90     RefPtr<SQLStatementCallback> callback;
91     if (!exec->argument(2).isUndefinedOrNull()) {
92         JSObject* object = exec->argument(2).getObject();
93         if (!object) {
94             setDOMException(exec, TYPE_MISMATCH_ERR);
95             return jsUndefined();
96         }
97 
98         callback = JSSQLStatementCallback::create(object, static_cast<JSDOMGlobalObject*>(globalObject()));
99     }
100 
101     RefPtr<SQLStatementErrorCallback> errorCallback;
102     if (!exec->argument(3).isUndefinedOrNull()) {
103         JSObject* object = exec->argument(3).getObject();
104         if (!object) {
105             setDOMException(exec, TYPE_MISMATCH_ERR);
106             return jsUndefined();
107         }
108 
109         errorCallback = JSSQLStatementErrorCallback::create(object, static_cast<JSDOMGlobalObject*>(globalObject()));
110     }
111 
112     ExceptionCode ec = 0;
113     m_impl->executeSQL(sqlStatement, sqlValues, callback.release(), errorCallback.release(), ec);
114     setDOMException(exec, ec);
115 
116     return jsUndefined();
117 }
118 
119 }
120 
121 #endif // ENABLE(DATABASE)
122