tests/utils/xml-utils/common.hpp

   1 /*
   2  * Copyright (C) 2024 EfficiOS Inc.
   3  *
   4  * SPDX-License-Identifier: LGPL-2.1-only
   5  *
   6  */
   7
   8 #ifndef TESTS_UTILS_XML_UTILS_COMMON_HPP
   9 #define TESTS_UTILS_XML_UTILS_COMMON_HPP
  10
  11 #include "common/make-unique-wrapper.hpp"
  12
  13 #include <libxml/parser.h>
  14 #include <memory>
  15
  16 namespace lttng {
  17 namespace libxml {
  18
  19 using parser_ctx_uptr = std::unique_ptr<
  20         xmlParserCtxt,
  21         lttng::memory::create_deleter_class<xmlParserCtxt, xmlFreeParserCtxt>::deleter>;
  22 using doc_uptr =
  23         std::unique_ptr<xmlDoc, lttng::memory::create_deleter_class<xmlDoc, xmlFreeDoc>::deleter>;
  24
  25 /*
  26  * Manage the global parser context of libxml2.
  27  * There should only be one instance of this class per process.
  28  */
  29 class global_parser_context {
  30 public:
  31         global_parser_context()
  32         {
  33                 xmlInitParser();
  34         }
  35
  36         ~global_parser_context()
  37         {
  38                 xmlCleanupParser();
  39         }
  40
  41         /* Deactivate copy and assignment. */
  42         global_parser_context(const global_parser_context&) = delete;
  43         global_parser_context(global_parser_context&&) = delete;
  44         global_parser_context& operator=(const global_parser_context&) = delete;
  45         global_parser_context& operator=(global_parser_context&&) = delete;
  46 };
  47 } /* namespace libxml */
  48 } /* namespace lttng */
  49 #endif /* TESTS_UTILS_XML_UTILS_COMMON_HPP */