1 /*
2  * Copyright (c) 2011-2015, 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:
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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
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28  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  */
30 #include "XmlSerializingContext.h"
31 #include <libxml/xmlerror.h>
32 #include <cstdio>
33 
CXmlSerializingContext(std::string & strError)34 CXmlSerializingContext::CXmlSerializingContext(std::string &strError)
35     : utility::ErrorContext(strError)
36 {
37     xmlSetStructuredErrorFunc(this, structuredErrorHandler);
38 }
39 
~CXmlSerializingContext()40 CXmlSerializingContext::~CXmlSerializingContext()
41 {
42     // TODO: restore the previous handler
43     xmlSetStructuredErrorFunc(NULL, NULL);
44     prependToError(_strXmlError);
45 }
46 
appendLineToError(const std::string & strAppend)47 void CXmlSerializingContext::appendLineToError(const std::string &strAppend)
48 {
49     appendToError("\n" + strAppend);
50 }
51 
52 /** XML error handler
53   *
54   * @param[in] userData pointer to the serializing context
55   * @param[in] error the xml error
56   *
57   */
structuredErrorHandler(void * userData,xmlErrorPtr error)58 void CXmlSerializingContext::structuredErrorHandler(void *userData, xmlErrorPtr error)
59 {
60     CXmlSerializingContext *self = static_cast<CXmlSerializingContext *>(userData);
61 
62     std::string filename = (error->file != NULL) ? error->file : "(user input)";
63     // xmlErrorPtr->int2 contains the column; see xmlerror.h
64     self->_strXmlError += filename + ":" + std::to_string(error->line) + ":" +
65                           std::to_string(error->int2) + ": " + error->message;
66 }
67