text: /*
   * Copyright (C) 2007 Apple Inc. All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1.  Redistributions of source code must retain the above copyright
   *     notice, this list of conditions and the following disclaimer.
   * 2.  Redistributions in binary form must reproduce the above copyright
   *     notice, this list of conditions and the following disclaimer in the
   *     documentation and/or other materials provided with the distribution.
   * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
   *     its contributors may be used to endorse or promote products derived
   *     from this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
   * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
   * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
   * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
   * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #include "third_party/blink/renderer/modules/webdatabase/sql_result_set_row_list.h"
  
  #include "third_party/blink/renderer/bindings/core/v8/script_value.h"
  #include "third_party/blink/renderer/bindings/core/v8/to_v8_for_core.h"
  #include "third_party/blink/renderer/bindings/modules/v8/to_v8_for_modules.h"
  #include "third_party/blink/renderer/platform/bindings/exception_messages.h"
  
  namespace blink {
  
  unsigned SQLResultSetRowList::length() const {
    if (result_.size() == 0)
      return 0;
  
    DCHECK_EQ(result_.size() % columns_.size(), 0u);
  
    return result_.size() / columns_.size();
  }
  
  ScriptValue SQLResultSetRowList::item(ScriptState* script_state,
                                        unsigned index,
                                        ExceptionState& exception_state) {
    if (index >= length()) {
      exception_state.ThrowDOMException(
          DOMExceptionCode::kIndexSizeError,
          ExceptionMessages::IndexExceedsMaximumBound<unsigned>("index", index,
                                                                length()));
      return ScriptValue();
    }
  
    unsigned num_columns = columns_.size();
    unsigned values_index = index * num_columns;
  
    Vector<std::pair<String, SQLValue>> data_array;
    for (unsigned i = 0; i < num_columns; ++i)
      data_array.push_back(
          std::make_pair(columns_[i], result_[values_index + i]));
  
    return ScriptValue::From(script_state, data_array);
  }
  
  }  // namespace blink
  