src/third_party/WebKit/Source/bindings/modules/v8/custom/V8SQLResultSetRowListCustom.cpp

   1 /*
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   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
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  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
  40 namespace blink {
  41
  42 void 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