text: // Tencent is pleased to support the open source community by making RapidJSON available.
  //
  // Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
  //
  // Licensed under the MIT License (the "License"); you may not use this file except
  // in compliance with the License. You may obtain a copy of the License at
  //
  // http://opensource.org/licenses/MIT
  //
  // Unless required by applicable law or agreed to in writing, software distributed
  // under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
  // CONDITIONS OF ANY KIND, either express or implied. See the License for the
  // specific language governing permissions and limitations under the License.
  
  #ifndef RAPIDJSON_CURSORSTREAMWRAPPER_H_
  #define RAPIDJSON_CURSORSTREAMWRAPPER_H_
  
  #include "stream.h"
  
  #if defined(__GNUC__)
  RAPIDJSON_DIAG_PUSH
  RAPIDJSON_DIAG_OFF(effc++)
  #endif
  
  #if defined(_MSC_VER) && _MSC_VER <= 1800
  RAPIDJSON_DIAG_PUSH
  RAPIDJSON_DIAG_OFF(4702)  // unreachable code
  RAPIDJSON_DIAG_OFF(4512)  // assignment operator could not be generated
  #endif
  
  RAPIDJSON_NAMESPACE_BEGIN
  
  
  //! Cursor stream wrapper for counting line and column number if error exists.
  /*!
      \tparam InputStream     Any stream that implements Stream Concept
  */
  template <typename InputStream, typename Encoding = UTF8<> >
  class CursorStreamWrapper : public GenericStreamWrapper<InputStream, Encoding> {
  public:
      typedef typename Encoding::Ch Ch;
  
      CursorStreamWrapper(InputStream& is):
          GenericStreamWrapper<InputStream, Encoding>(is), line_(1), col_(0) {}
  
      // counting line and column number
      Ch Take() {
          Ch ch = this->is_.Take();
          if(ch == '\n') {
              line_ ++;
              col_ = 0;
          } else {
              col_ ++;
          }
          return ch;
      }
  
      //! Get the error line number, if error exists.
      size_t GetLine() const { return line_; }
      //! Get the error column number, if error exists.
      size_t GetColumn() const { return col_; }
  
  private:
      size_t line_;   //!< Current Line
      size_t col_;    //!< Current Column
  };
  
  #if defined(_MSC_VER) && _MSC_VER <= 1800
  RAPIDJSON_DIAG_POP
  #endif
  
  #if defined(__GNUC__)
  RAPIDJSON_DIAG_POP
  #endif
  
  RAPIDJSON_NAMESPACE_END
  
  #endif // RAPIDJSON_CURSORSTREAMWRAPPER_H_
  