/*
tetgen2gmsh: 读取tetgen文件（.node\.ele\.face\.edge）转换为.msh文件（tetgen竟然不支持输出.msh）
             添加需要的属性值到.pos文件
*/

#include "tetgen2gmsh.h"

void disp_help()
{
	cout<<"tetgen2gmsh 0.0.1 - convert tetgen files(.node& .edge& .face& .ele) to gmsh(.msh) file"<<endl<<endl
	<<"usage: tetgen2msh input_file [-o<output-file>]"<<endl
	<<"       -o specify output file's name, the input name will be used if -o is absent"<<endl
	<<"       the extensions of input and output files will be added atuomaticly"<<endl<<endl
	<<"example: tetgen2gmsh in -otest"<<endl;
}

int typeget(char *str, const char* str2,string &str3)//提出头端的子句
{
    char* strp = strstr(str, str2); // 从字符串str中查找str2，
    if (strp == NULL)
    {
        return 0; // 如果没有找到，返回
    }
	string temp = str;
	str3=temp.substr(strlen(str2));//提出除str2外的子句
    return 1;
}

//tetgen2gmsh p1;
//p1.call_back();

int main(int argc, char* argv[])
{
	string innname="";
	string outname="";
	string temp;
	if (argc==1)
	{
		disp_help();
	}
	else if (argc==2)
	{
		innname=outname=argv[1];
		tetgen2gmsh p1;
		p1.call_back(innname,outname);
	}
	else
	{
		innname=argv[1];
		for (int i = 2; i < argc; i++)
		{
			if (typeget(argv[i],OUTPUT,temp))
			{
				if (temp=="")
				{
					cout<<"no output picked, program stopped..."<<endl;
					return 0;
				}
				else outname = temp;
			}
		}

		if (outname=="")
		{
			cout<<"no output picked, program stopped..."<<endl;
			return 0;
		}
		else
		{
			tetgen2gmsh p1;
			p1.call_back(innname,outname);
		}
	}
	return 0;
}