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 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
31#if ENABLE(SQL_DATABASE)
32
33#include "JSSQLResultSetRowList.h"
34
35#include "ExceptionCode.h"
36#include "JSDOMBinding.h"
37#include "SQLValue.h"
38#include <runtime/IdentifierInlines.h>
39#include <runtime/ObjectConstructor.h>
40
41using namespace JSC;
42
43namespace WebCore {
44
45JSValue JSSQLResultSetRowList::item(ExecState* exec)
46{
47    bool indexOk;
48    int index = finiteInt32Value(exec->argument(0), exec, indexOk);
49    if (!indexOk) {
50        setDOMException(exec, TYPE_MISMATCH_ERR);
51        return jsUndefined();
52    }
53    if (index < 0 || (unsigned)index >= m_impl->length()) {
54        setDOMException(exec, INDEX_SIZE_ERR);
55        return jsUndefined();
56    }
57
58    JSObject* object = constructEmptyObject(exec);
59
60    unsigned numColumns = m_impl->columnNames().size();
61    unsigned valuesIndex = index * numColumns;
62    for (unsigned i = 0; i < numColumns; i++) {
63        const SQLValue& value = m_impl->values()[valuesIndex + i];
64        JSValue jsValue;
65
66        switch (value.type()) {
67            case SQLValue::StringValue:
68              jsValue = jsStringWithCache(exec, value.string());
69              break;
70          case SQLValue::NullValue:
71              jsValue = jsNull();
72              break;
73          case SQLValue::NumberValue:
74              jsValue = jsNumber(value.number());
75              break;
76          default:
77              ASSERT_NOT_REACHED();
78        }
79
80        object->putDirect(exec->vm(), Identifier(exec, m_impl->columnNames()[i]), jsValue, DontDelete | ReadOnly);
81    }
82
83    return object;
84}
85
86} // namespace WebCore
87
88#endif // ENABLE(SQL_DATABASE)
89