xml_utils.h

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/*+-------------------------------------------------------------------------+
  |                       MultiVehicle simulator (libmvsim)                 |
  |                                                                         |
  | Copyright (C) 2014  Jose Luis Blanco Claraco (University of Almeria)    |
  | Copyright (C) 2017  Borys Tymchenko (Odessa Polytechnic University)     |
  | Distributed under GNU General Public License version 3                  |
  |   See <http://www.gnu.org/licenses/>                                    |
  +-------------------------------------------------------------------------+ */
#pragma once

#include <rapidxml.hpp>

#include <map>
#include <string>

// Fwd decl:
namespace mrpt
{
namespace math
{
class TPolygon2D;
}
}

namespace mvsim
{
struct TParamEntry
{
        const char* frmt;
        void* val;

        TParamEntry() : frmt(NULL), val(NULL) {}
        TParamEntry(const char* frmt_, void* val_) : frmt(frmt_), val(val_) {}
        void parse(
                const std::string& str, const std::string& varName,
                const char* function_name_context = "") const;
};

void parse_xmlnode_attribs(
        const rapidxml::xml_node<char>& xml_node,
        const std::map<std::string, TParamEntry>& params,
        const char* function_name_context = "");

bool parse_xmlnode_as_param(
        const rapidxml::xml_node<char>& xml_node,
        const std::map<std::string, TParamEntry>& params,
        const char* function_name_context = "");

void parse_xmlnode_children_as_param(
        const rapidxml::xml_node<char>& xml_node,
        const std::map<std::string, TParamEntry>& params,
        const char* function_name_context = "");

template <class NODE_LIST>
void parse_xmlnodelist_children_as_param(
        NODE_LIST& lst_nodes, const std::map<std::string, TParamEntry>& params,
        const char* function_name_context = "")
{
        for (typename NODE_LIST::iterator it = lst_nodes.begin();
                 it != lst_nodes.end(); ++it)
                parse_xmlnode_children_as_param(**it, params, function_name_context);
}

// Bits:

vec3 parseXYPHI(
        const std::string& s, bool allow_missing_angle = false,
        double default_angle_radians = 0.0);

void parse_xmlnode_shape(
        const rapidxml::xml_node<char>& xml_node, mrpt::math::TPolygon2D& out_poly,
        const char* function_name_context = "");
}