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/******************************************************************/
/* This file is part of the homework assignments for CSCI-427/527 */
/* at The College of William & Mary and authored by Pieter Peers. */
/* No part of this file, whether altered or in original form, can */
/* be distributed or used outside the context of CSCI-427/527 */
/* without consent of either the College of William & Mary or */
/* Pieter Peers. */
/******************************************************************/
#include <string>
#include <cstdlib>
#include "sceneIO_core.h"
#include "errorMessage.h"
color getColor(const XMLNode& node, const std::string& name, const color& default_value)
{
std::string value = node.attribute(name);
// if defined, process..
if(value != "")
{
color result;
int s = sscanf(value.c_str(), "%f %f %f", &result.r, &result.g, &result.b);
// check if only 1 value is given or 3.
if(s == 1) return color(result.r, result.r, result.r);
else if(s == 3) return result;
else errorMessage("Failed to parse color value (%s)", value.c_str());
}
// else return default
return default_value;
}
vec3d getVec3d(const XMLNode& node, const std::string& name, const vec3d& default_value)
{
std::string value = node.attribute(name);
// if defined, process..
if(value != "")
{
vec3d result;
int s = sscanf(value.c_str(), "%f %f %f", &result.x, &result.y, &result.z);
// check if only 1 value is given or 3.
if(s == 1) return vec3d(result.x, result.x, result.x);
else if(s == 3) return result;
else errorMessage("Failed to parse vec3d value (%s)", value.c_str());
}
// else return default
return default_value;
}
vec2d getVec2d(const XMLNode& node, const std::string& name, const vec2d& default_value)
{
std::string value = node.attribute(name);
// if defined, process..
if(value != "")
{
vec2d result;
int s = sscanf(value.c_str(), "%f %f", &result.x, &result.y);
// check if only 1 value is given or 2.
if(s == 1) return vec2d(result.x, result.x);
else if(s == 2) return result;
else errorMessage("Failed to parse vec2d value (%s)", value.c_str());
}
// else returnd default
return default_value;
}
std::string getString(const XMLNode& node, const std::string& name, const std::string& default_value)
{
std::string value = node.attribute(name);
if(value != "") return std::string(value);
else return default_value;
}
float getFloat(const XMLNode& node, const std::string& name, float default_value)
{
std::string value = node.attribute(name);
if(value != "") return atof(value.c_str());
else return default_value;
}
unsigned int getInteger(const XMLNode& node, const std::string& name, unsigned int default_value)
{
std::string value = node.attribute(name);
if(value != "") return atoi(value.c_str());
else return default_value;
}
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