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      1 /*
      2  * Copyright (c) 2015, Intel Corporation
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without modification,
      6  * are permitted provided that the following conditions are met:
      7  *
      8  * 1. Redistributions of source code must retain the above copyright notice, this
      9  * list of conditions and the following disclaimer.
     10  *
     11  * 2. Redistributions in binary form must reproduce the above copyright notice,
     12  * this list of conditions and the following disclaimer in the documentation and/or
     13  * other materials provided with the distribution.
     14  *
     15  * 3. Neither the name of the copyright holder nor the names of its contributors
     16  * may be used to endorse or promote products derived from this software without
     17  * specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
     20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     21  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     22  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
     23  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     24  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     25  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
     26  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     28  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 #pragma once
     31 
     32 #include <string>
     33 #include <NonCopyable.hpp>
     34 
     35 namespace utility
     36 {
     37 
     38 class ErrorContext : private NonCopyable
     39 {
     40 public:
     41     ErrorContext(std::string &error) : mError(error) {}
     42 
     43     void setError(const std::string &error) { mError = error; }
     44 
     45     void appendToError(const std::string &append) { mError += append; }
     46 
     47     void prependToError(const std::string &prepend) { mError = prepend + mError; }
     48 
     49 private:
     50     // Error reference
     51     std::string &mError;
     52 };
     53 
     54 } // namespace utility
     55