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) 2005-2013, 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->depth = 0;
  38         this->charset = charset;
  39 }
  40
  41
  42 XMLParser::~XMLParser(void)
  43 {
  44 }
  45
  46
  47 const unsigned long XMLParser::GetDepth(void) const
  48 {
  49         return depth;
  50 }
  51
  52
  53 bool XMLParser::Run(void)
  54 {
  55         try {
  56                 set_substitute_entities(true);
  57                 parse_chunk("<?xml version=\"1.0\" encoding=\"" + charset + "\"?>");
  58
  59                 std::string line;
  60                 while( getline(input, line) ) {
  61                         parse_chunk(line);
  62                 }
  63                 finish_chunk_parsing();
  64         }
  65         catch (const xmlpp::exception& ex) {
  66                 std::cout << "libxml++ exception: " << ex.what() << std::endl;
  67                 return false;
  68         }
  69
  70         return true;
  71 }
  72
  73
  74 void XMLParser::on_start_document()
  75 {
  76         std::cout << "on_start_document()" << std::endl;
  77 }
  78
  79
  80 void XMLParser::on_end_document()
  81 {
  82         std::cout << "on_end_document()" << std::endl;
  83 }
  84
  85
  86 void XMLParser::on_start_element(const Glib::ustring& name,
  87         const xmlpp::SaxParser::AttributeList& attributes)
  88 {
  89         std::cout << "Start:" << name << std::endl;
  90         depth++;
  91
  92         // Print attributes:
  93         for (xmlpp::SaxParser::AttributeList::const_iterator iter = attributes.begin(); iter != attributes.end(); ++iter) {
  94                 std::cout << "  Attribute name=" << iter->name << std::endl;
  95
  96                 std::cout << "    , value= " << iter->value << std::endl;
  97         }
  98 }
  99
 100
 101 void XMLParser::on_end_element(const Glib::ustring& name)
 102 {
 103         std::cout << "End:" << name << std::endl;
 104         depth--;
 105 }
 106
 107
 108 void XMLParser::on_characters(const Glib::ustring& text)
 109 {
 110         std::cout << "  Data:" << text << std::endl;
 111 }
 112
 113
 114 void XMLParser::on_comment(const Glib::ustring& text)
 115 {
 116         std::cout << "on_comment(): " << text << std::endl;
 117 }
 118
 119
 120 void XMLParser::on_warning(const Glib::ustring& text)
 121 {
 122         std::cout << "on_warning(): " << text << std::endl;
 123 }
 124
 125
 126 void XMLParser::on_error(const Glib::ustring& text)
 127 {
 128         std::cout << "on_error(): " << text << std::endl;
 129 }
 130
 131
 132 void XMLParser::on_fatal_error(const Glib::ustring& text)
 133 {
 134         std::cout << "on_fatal_error(): " << text << std::endl;
 135 }
 136
 137
 138 } // namespace XML
 139
 140 } // namespace Barry
 141