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 

    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*>(exec->dynamicGlobalObject()));

    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*>(exec->dynamicGlobalObject()));

   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)