1/*
2 * Copyright (C) 2009 Google 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 are
6 * met:
7 *
8 *     * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *     * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 *     * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#include "config.h"
32#include "bindings/modules/v8/V8SQLResultSetRowList.h"
33
34#include "bindings/core/v8/ExceptionMessages.h"
35#include "bindings/core/v8/ExceptionState.h"
36#include "bindings/core/v8/V8Binding.h"
37#include "core/dom/ExceptionCode.h"
38#include "modules/webdatabase/SQLResultSetRowList.h"
39
40namespace blink {
41
42void V8SQLResultSetRowList::itemMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
43{
44    ExceptionState exceptionState(ExceptionState::ExecutionContext, "item", "SQLResultSetRowList", info.Holder(), info.GetIsolate());
45    if (!info.Length()) {
46        exceptionState.throwDOMException(SyntaxError, ExceptionMessages::notEnoughArguments(1, 0));
47        exceptionState.throwIfNeeded();
48        return;
49    }
50
51    if (!info[0]->IsNumber()) {
52        exceptionState.throwTypeError("The index provided is not a number.");
53        exceptionState.throwIfNeeded();
54        return;
55    }
56
57    SQLResultSetRowList* rowList = V8SQLResultSetRowList::toImpl(info.Holder());
58
59    unsigned long index = info[0]->IntegerValue();
60    if (index >= rowList->length()) {
61        exceptionState.throwDOMException(IndexSizeError, ExceptionMessages::indexExceedsMaximumBound<unsigned>("index", index, rowList->length()));
62        exceptionState.throwIfNeeded();
63        return;
64    }
65
66    v8::Local<v8::Object> item = v8::Object::New(info.GetIsolate());
67    unsigned numColumns = rowList->columnNames().size();
68    unsigned valuesIndex = index * numColumns;
69
70    for (unsigned i = 0; i < numColumns; ++i) {
71        const SQLValue& sqlValue = rowList->values()[valuesIndex + i];
72        v8::Handle<v8::Value> value;
73        switch (sqlValue.type()) {
74        case SQLValue::StringValue:
75            value = v8String(info.GetIsolate(), sqlValue.string());
76            break;
77        case SQLValue::NullValue:
78            value = v8::Null(info.GetIsolate());
79            break;
80        case SQLValue::NumberValue:
81            value = v8::Number::New(info.GetIsolate(), sqlValue.number());
82            break;
83        default:
84            ASSERT_NOT_REACHED();
85        }
86
87        item->ForceSet(v8String(info.GetIsolate(), rowList->columnNames()[i]), value, static_cast<v8::PropertyAttribute>(v8::DontDelete | v8::ReadOnly));
88    }
89
90    v8SetReturnValue(info, item);
91}
92
93} // namespace blink
94