src/esi/Libxml2Parser.h

   1 /*
   2  * Copyright (C) 1996-2017 The Squid Software Foundation and contributors
   3  *
   4  * Squid software is distributed under GPLv2+ license and includes
   5  * contributions from numerous individuals and organizations.
   6  * Please see the COPYING and CONTRIBUTORS files for details.
   7  */
   8
   9 /*
  10  * The ESI Libxml2 parser is Copyright (c) 2004 by Joachim Bauch
  11  * http://www.joachim-bauch.de
  12  * mail@joachim-bauch.de
  13  */
  14
  15 #ifndef SQUID_ESILIBXML2PARSER_H
  16 #define SQUID_ESILIBXML2PARSER_H
  17
  18 #if USE_SQUID_ESI && HAVE_LIBXML2
  19
  20 #include "esi/Parser.h"
  21 // workaround for definition of "free" that prevents include of
  22 // parser.h from libxml2 without errors
  23 #ifdef free
  24 #define OLD_FREE free
  25 #undef free
  26 #endif
  27
  28 #if __clang__
  29 // workaround for clang complaining of unknown attributes in libxml2 on fedora22
  30 #ifdef LIBXML_ATTR_ALLOC_SIZE
  31 #undef LIBXML_ATTR_ALLOC_SIZE
  32 #endif
  33 #define LIBXML_ATTR_ALLOC_SIZE(x)
  34 #endif /* __clang__ */
  35
  36 #if HAVE_LIBXML_PARSER_H
  37 #include <libxml/parser.h>
  38 #endif
  39 #if HAVE_LIBXML_HTMLPARSER_H
  40 #include <libxml/HTMLparser.h>
  41 #endif
  42 #if HAVE_LIBXML_HTMLTREE_H
  43 #include <libxml/HTMLtree.h>
  44 #endif
  45
  46 #ifdef OLD_FREE
  47 #define free OLD_FREE
  48 #endif
  49
  50 class ESILibxml2Parser : public ESIParser
  51 {
  52
  53 public:
  54     ESILibxml2Parser(ESIParserClient *);
  55     ~ESILibxml2Parser();
  56     /* true on success */
  57     bool parse(char const *dataToParse, size_t const lengthOfData, bool const endOfStream);
  58     long int lineNumber() const;
  59     char const * errorString() const;
  60
  61     ESIParserClient *getClient() { return theClient; }
  62
  63     EsiParserDeclaration;
  64
  65 private:
  66     mutable xmlParserCtxtPtr parser; /* our parser */
  67
  68     ESIParserClient *theClient;
  69 };
  70
  71 #endif /* USE_SQUID_ESI */
  72
  73 #endif /* SQUID_ESILIBXML2PARSER_H */
  74