tests/utils/xml-utils/pretty_xml.cpp

   1 /*
   2  * Copyright (C) 2021 EfficiOS Inc.
   3  *
   4  * SPDX-License-Identifier: GPL-2.0-only
   5  *
   6  */
   7
   8 /*
   9  * Prettyfi a xml input from stdin to stddout.
  10  * This allows a more human friendly format for xml testing when problems occur.
  11  */
  12
  13 #include "common.hpp"
  14
  15 #include <common/scope-exit.hpp>
  16
  17 #include <iostream>
  18 #include <libxml/parser.h>
  19 #include <unistd.h>
  20
  21 namespace ll = lttng::libxml;
  22
  23 int main()
  24 {
  25         const ll::global_parser_context global_parser_context;
  26         const ll::parser_ctx_uptr parserCtx{ xmlNewParserCtxt() };
  27
  28         /* Parse the XML document from stdin. */
  29         const ll::doc_uptr doc{ xmlCtxtReadFd(
  30                 parserCtx.get(), STDIN_FILENO, nullptr, nullptr, XML_PARSE_NOBLANKS) };
  31         if (!doc) {
  32                 std::cerr << "Error: invalid XML input on stdin\n";
  33                 return -1;
  34         }
  35
  36         xmlDocFormatDump(stdout, doc.get(), 1);
  37
  38         return 0;
  39 }