src/xmlparser.cc

   1 ///
   2 /// \file       xmlparser.cc
   3 ///             A simple XML parser (use callback on start, end and data block
   4 ///
   5
   6 /*
   7     Copyright (C) 2010, Nicolas VIVIEN
   8     Copyright (C) 2005-2010, Net Direct Inc. (http://www.netdirect.ca/)
   9
  10     This program is free software; you can redistribute it and/or modify
  11     it under the terms of the GNU General Public License as published by
  12     the Free Software Foundation; either version 2 of the License, or
  13     (at your option) any later version.
  14
  15     This program is distributed in the hope that it will be useful,
  16     but WITHOUT ANY WARRANTY; without even the implied warranty of
  17     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  18
  19     See the GNU General Public License in the COPYING file at the
  20     root directory of this project for more details.
  21 */
  22
  23 #include <iostream>
  24
  25 #include "xmlparser.h"
  26
  27
  28 namespace Barry {
  29
  30 namespace XML {
  31
  32
  33 XMLParser::XMLParser(std::istream& input, const char *charset)
  34         : xmlpp::SaxParser()
  35         , input(input)
  36 {
  37         this->charset = charset;
  38 }
  39
  40
  41 XMLParser::~XMLParser(void)
  42 {
  43 }
  44
  45
  46 const unsigned long XMLParser::GetDepth(void) const
  47 {
  48         return depth;
  49 }
  50
  51
  52 bool XMLParser::Run(void)
  53 {
  54         try {
  55                 set_substitute_entities(true);
  56                 parse_chunk("<?xml version=\"1.0\" encoding=\"" + charset + "\"?>");
  57
  58                 std::string line;
  59                 while( getline(input, line) ) {
  60                         parse_chunk(line);
  61                 }
  62                 finish_chunk_parsing();
  63         }
  64         catch (const xmlpp::exception& ex) {
  65                 std::cout << "libxml++ exception: " << ex.what() << std::endl;
  66                 return false;
  67         }
  68
  69         return true;
  70 }
  71
  72
  73 void XMLParser::on_start_document()
  74 {
  75         std::cout << "on_start_document()" << std::endl;
  76 }
  77
  78
  79 void XMLParser::on_end_document()
  80 {
  81         std::cout << "on_end_document()" << std::endl;
  82 }
  83
  84
  85 void XMLParser::on_start_element(const Glib::ustring& name,
  86         const xmlpp::SaxParser::AttributeList& attributes)
  87 {
  88         std::cout << "Start:" << name << std::endl;
  89         depth++;
  90
  91         // Print attributes:
  92         for (xmlpp::SaxParser::AttributeList::const_iterator iter = attributes.begin(); iter != attributes.end(); ++iter) {
  93                 std::cout << "  Attribute name=" << iter->name << std::endl;
  94
  95                 std::cout << "    , value= " << iter->value << std::endl;
  96         }
  97 }
  98
  99
 100 void XMLParser::on_end_element(const Glib::ustring& name)
 101 {
 102         std::cout << "End:" << name << std::endl;
 103         depth--;
 104 }
 105
 106
 107 void XMLParser::on_characters(const Glib::ustring& text)
 108 {
 109         std::cout << "  Data:" << text << std::endl;
 110 }
 111
 112
 113 void XMLParser::on_comment(const Glib::ustring& text)
 114 {
 115         std::cout << "on_comment(): " << text << std::endl;
 116 }
 117
 118
 119 void XMLParser::on_warning(const Glib::ustring& text)
 120 {
 121         std::cout << "on_warning(): " << text << std::endl;
 122 }
 123
 124
 125 void XMLParser::on_error(const Glib::ustring& text)
 126 {
 127         std::cout << "on_error(): " << text << std::endl;
 128 }
 129
 130
 131 void XMLParser::on_fatal_error(const Glib::ustring& text)
 132 {
 133         std::cout << "on_fatal_error(): " << text << std::endl;
 134 }
 135
 136
 137 } // namespace XML
 138
 139 } // namespace Barry
 140