Source/bindings/v8/custom/V8SQLResultSetRowListCustom.cpp

/*
 * Copyright (C) 2009 Google Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions are
 * met:
 *
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 * notice, this list of conditions and the following disclaimer.
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 * in the documentation and/or other materials provided with the
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 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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#include "config.h"
#include "V8SQLResultSetRowList.h"

#include "bindings/v8/V8Binding.h"
#include "modules/webdatabase/SQLResultSetRowList.h"

namespace WebCore {

void V8SQLResultSetRowList::itemMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
{
    if (!info.Length()) {
        throwError(v8SyntaxError, "Item index is required.", info.GetIsolate());
        return;
    }

    if (!info[0]->IsNumber()) {
        throwTypeError("Item index must be a number.", info.GetIsolate());
        return;
    }

    SQLResultSetRowList* rowList = V8SQLResultSetRowList::toNative(info.Holder());

    unsigned long index = info[0]->IntegerValue();
    if (index >= rowList->length()) {
        throwError(v8RangeError, "Item index is out of range.", info.GetIsolate());
        return;
    }

    v8::Local<v8::Object> item = v8::Object::New();
    unsigned numColumns = rowList->columnNames().size();
    unsigned valuesIndex = index * numColumns;

    for (unsigned i = 0; i < numColumns; ++i) {
        const SQLValue& sqlValue = rowList->values()[valuesIndex + i];
        v8::Handle<v8::Value> value;
        switch(sqlValue.type()) {
            case SQLValue::StringValue:
                value = v8String(sqlValue.string(), info.GetIsolate());
                break;
            case SQLValue::NullValue:
                value = v8::Null(info.GetIsolate());
                break;
            case SQLValue::NumberValue:
                value = v8::Number::New(info.GetIsolate(), sqlValue.number());
                break;
            default:
                ASSERT_NOT_REACHED();
        }

        item->Set(v8String(rowList->columnNames()[i], info.GetIsolate()), value, static_cast<v8::PropertyAttribute>(v8::DontDelete | v8::ReadOnly));
    }

    v8SetReturnValue(info, item);
}

} // namespace WebCore