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      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 
     33 #include "V8SQLResultSetRowList.h"
     34 
     35 #include "bindings/v8/V8Binding.h"
     36 #include "modules/webdatabase/SQLResultSetRowList.h"
     37 
     38 namespace WebCore {
     39 
     40 void V8SQLResultSetRowList::itemMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& args)
     41 {
     42     if (!args.Length()) {
     43         throwError(v8SyntaxError, "Item index is required.", args.GetIsolate());
     44         return;
     45     }
     46 
     47     if (!args[0]->IsNumber()) {
     48         throwTypeError("Item index must be a number.", args.GetIsolate());
     49         return;
     50     }
     51 
     52     SQLResultSetRowList* rowList = V8SQLResultSetRowList::toNative(args.Holder());
     53 
     54     unsigned long index = args[0]->IntegerValue();
     55     if (index >= rowList->length()) {
     56         throwError(v8RangeError, "Item index is out of range.", args.GetIsolate());
     57         return;
     58     }
     59 
     60     v8::Local<v8::Object> item = v8::Object::New();
     61     unsigned numColumns = rowList->columnNames().size();
     62     unsigned valuesIndex = index * numColumns;
     63 
     64     for (unsigned i = 0; i < numColumns; ++i) {
     65         const SQLValue& sqlValue = rowList->values()[valuesIndex + i];
     66         v8::Handle<v8::Value> value;
     67         switch(sqlValue.type()) {
     68             case SQLValue::StringValue:
     69                 value = v8String(sqlValue.string(), args.GetIsolate());
     70                 break;
     71             case SQLValue::NullValue:
     72                 value = v8::Null(args.GetIsolate());
     73                 break;
     74             case SQLValue::NumberValue:
     75                 value = v8::Number::New(sqlValue.number());
     76                 break;
     77             default:
     78                 ASSERT_NOT_REACHED();
     79         }
     80 
     81         item->Set(v8String(rowList->columnNames()[i], args.GetIsolate()), value, static_cast<v8::PropertyAttribute>(v8::DontDelete | v8::ReadOnly));
     82     }
     83 
     84     v8SetReturnValue(args, item);
     85 }
     86 
     87 } // namespace WebCore
     88