#include <GL/gl.h>
#include <vector>
#include <string>

class WFObj
{
public:
	bool load(const std::string & filename);
	GLuint render();

private:
	/* types */
	class Vertex
	{
	public:
		float operator[](int idx) const { return data[idx]; }
		const float & operator[](int idx) { return data[idx]; }
		float * getData() { return data; }
	private:
		float data[4];
	};

	/* methods */
	void clear();
	std::string trim(std::string s);
	int filesize(const char * filename);
	void processInputLine(const std::string & input);
	std::string stripFirstToken(std::string & input);
	Vertex readVertex(const std::vector<std::string> & parts);
	void parseVertexIndices(const std::string & vtxref, int * ret);
	std::vector<std::string> splitString(const std::string & str, char delim);

	/* variables */
	std::vector< std::vector<std::string> > m_data;
};