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// -*- C++ -*-
/* main.cc
*
* Copyright (C) 2002 The libxml++ development team
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "../testutilities.h"
#include <libxml++/libxml++.h>
#include <iostream>
#include <cstdlib>
void print_node(const xmlpp::Node* node, unsigned int indentation = 0)
{
const Glib::ustring indent(indentation, ' ');
std::cout << std::endl; //Separate nodes by an empty line.
const auto nodeContent = dynamic_cast<const xmlpp::ContentNode*>(node);
const auto nodeText = dynamic_cast<const xmlpp::TextNode*>(node);
const auto nodeComment = dynamic_cast<const xmlpp::CommentNode*>(node);
if(nodeText && nodeText->is_white_space()) //Let's ignore the indenting - you don't always want to do this.
return;
const auto nodename = node->get_name();
if(!nodeText && !nodeComment && !nodename.empty()) //Let's not say "name: text".
{
const auto namespace_prefix = node->get_namespace_prefix();
std::cout << indent << "Node name = ";
if(!namespace_prefix.empty())
std::cout << CatchConvertError(namespace_prefix) << ":";
std::cout << CatchConvertError(nodename) << std::endl;
}
else if(nodeText) //Let's say when it's text. - e.g. let's say what that white space is.
{
std::cout << indent << "Text Node" << std::endl;
}
//Treat the various node types differently:
if(nodeText)
{
std::cout << indent << "text = \"" << CatchConvertError(nodeText->get_content()) << "\"" << std::endl;
}
else if(nodeComment)
{
std::cout << indent << "comment = " << CatchConvertError(nodeComment->get_content()) << std::endl;
}
else if(nodeContent)
{
std::cout << indent << "content = " << CatchConvertError(nodeContent->get_content()) << std::endl;
}
else if(const xmlpp::Element* nodeElement = dynamic_cast<const xmlpp::Element*>(node))
{
//A normal Element node:
//line() works only for ElementNodes.
std::cout << indent << " line = " << node->get_line() << std::endl;
//Print attributes:
const auto attributes = nodeElement->get_attributes();
for(xmlpp::Element::AttributeList::const_iterator iter = attributes.begin(); iter != attributes.end(); ++iter)
{
const auto attribute = *iter;
const auto namespace_prefix = attribute->get_namespace_prefix();
std::cout << indent << " Attribute ";
if(!namespace_prefix.empty())
std::cout << CatchConvertError(namespace_prefix) << ":";
std::cout << CatchConvertError(attribute->get_name()) << " = "
<< CatchConvertError(attribute->get_value()) << std::endl;
}
const auto attribute = nodeElement->get_attribute("title");
if(attribute)
{
std::cout << indent;
if (dynamic_cast<const xmlpp::AttributeNode*>(attribute))
std::cout << "AttributeNode ";
else if (dynamic_cast<const xmlpp::AttributeDeclaration*>(attribute))
std::cout << "AttributeDeclaration ";
std::cout << "title = " << CatchConvertError(attribute->get_value()) << std::endl;
}
}
if(!nodeContent)
{
//Recurse through child nodes:
auto list = node->get_children();
for(const auto& child : node->get_children())
{
print_node(child, indentation + 2); //recursive
}
}
}
int main(int argc, char* argv[])
{
// Set the global C++ locale to the user-specified locale. Then we can
// hopefully use std::cout with UTF-8, via Glib::ustring, without exceptions.
std::locale::global(std::locale(""));
bool validate = false;
bool set_throw_messages = false;
bool throw_messages = false;
bool substitute_entities = true;
bool include_default_attributes = false;
int argi = 1;
while (argc > argi && *argv[argi] == '-') // option
{
switch (*(argv[argi]+1))
{
case 'v':
validate = true;
break;
case 't':
set_throw_messages = true;
throw_messages = true;
break;
case 'e':
set_throw_messages = true;
throw_messages = false;
break;
case 'E':
substitute_entities = false;
break;
case 'a':
include_default_attributes = true;
break;
default:
std::cout << "Usage: " << argv[0] << " [-v] [-t] [-e] [filename]" << std::endl
<< " -v Validate" << std::endl
<< " -t Throw messages in an exception" << std::endl
<< " -e Write messages to stderr" << std::endl
<< " -E Do not substitute entities" << std::endl
<< " -a Include default attributes in the node tree" << std::endl;
return EXIT_FAILURE;
}
argi++;
}
std::string filepath;
if(argc > argi)
filepath = argv[argi]; //Allow the user to specify a different XML file to parse.
else
filepath = "example.xml";
try
{
xmlpp::DomParser parser;
if (validate)
parser.set_validate();
if (set_throw_messages)
parser.set_throw_messages(throw_messages);
//We can have the text resolved/unescaped automatically.
parser.set_substitute_entities(substitute_entities);
parser.set_include_default_attributes(include_default_attributes);
parser.parse_file(filepath);
if(parser)
{
//Walk the tree:
const auto pNode = parser.get_document()->get_root_node(); //deleted by DomParser.
print_node(pNode);
}
}
catch(const std::exception& ex)
{
std::cerr << "Exception caught: " << ex.what() << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
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