kdl_parser/urdf/src/model.cpp

156 lines
4.2 KiB
C++

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/* Author: Wim Meeussen */
#include <boost/algorithm/string.hpp>
#include <ros/ros.h>
#include <vector>
#include "urdf/model.h"
#include <fstream>
#include <iostream>
namespace urdf{
bool IsColladaData(const std::string& data)
{
return data.find("<COLLADA") != std::string::npos;
}
bool Model::initFile(const std::string& filename)
{
// get the entire file
std::string xml_string;
std::fstream xml_file(filename.c_str(), std::fstream::in);
if (xml_file.is_open())
{
while ( xml_file.good() )
{
std::string line;
std::getline( xml_file, line);
xml_string += (line + "\n");
}
xml_file.close();
return Model::initString(xml_string);
}
else
{
ROS_ERROR("Could not open file [%s] for parsing.",filename.c_str());
return false;
}
}
bool Model::initParam(const std::string& param)
{
ros::NodeHandle nh;
std::string xml_string;
// gets the location of the robot description on the parameter server
std::string full_param;
if (!nh.searchParam(param, full_param)){
ROS_ERROR("Could not find parameter %s on parameter server", param.c_str());
return false;
}
// read the robot description from the parameter server
if (!nh.getParam(full_param, xml_string)){
ROS_ERROR("Could not read parameter %s on parameter server", full_param.c_str());
return false;
}
return Model::initString(xml_string);
}
bool Model::initXml(TiXmlDocument *xml_doc)
{
if (!xml_doc)
{
ROS_ERROR("Could not parse the xml document");
return false;
}
std::stringstream ss;
ss << *xml_doc;
return Model::initString(ss.str());
}
bool Model::initXml(TiXmlElement *robot_xml)
{
if (!robot_xml)
{
ROS_ERROR("Could not parse the xml element");
return false;
}
std::stringstream ss;
ss << (*robot_xml);
return Model::initString(ss.str());
}
bool Model::initString(const std::string& xml_string)
{
boost::shared_ptr<ModelInterface> model;
// necessary for COLLADA compatibility
if( IsColladaData(xml_string) ) {
ROS_DEBUG("Parsing robot collada xml string");
model = parseCollada(xml_string);
}
else {
ROS_DEBUG("Parsing robot urdf xml string");
model = parseURDF(xml_string);
}
// copy data from model into this object
if (model){
this->links_ = model->links_;
this->joints_ = model->joints_;
this->materials_ = model->materials_;
this->name_ = model->name_;
this->root_link_ = model->root_link_;
return true;
}
else
return false;
}
}// namespace