gtsam/wrap/Constructor.cpp

101 lines
3.2 KiB
C++

/* ----------------------------------------------------------------------------
* GTSAM Copyright 2010, Georgia Tech Research Corporation,
* Atlanta, Georgia 30332-0415
* All Rights Reserved
* Authors: Frank Dellaert, et al. (see THANKS for the full author list)
* See LICENSE for the license information
* -------------------------------------------------------------------------- */
/**
* file: Constructor.ccp
* Author: Frank Dellaert
**/
#include <iostream>
#include <fstream>
#include <boost/foreach.hpp>
#include "utilities.h"
#include "Constructor.h"
using namespace std;
/* ************************************************************************* */
string Constructor::matlab_wrapper_name(const string& className) {
string str = "new_" + className + "_" + args.signature();
return str;
}
/* ************************************************************************* */
void Constructor::matlab_proxy_fragment(ofstream& ofs, const string& className) {
ofs << " if nargin == " << args.size() << ", obj.self = "
<< matlab_wrapper_name(className) << "(";
bool first = true;
for(size_t i=0;i<args.size();i++) {
if (!first) ofs << ",";
ofs << "varargin{" << i+1 << "}";
first=false;
}
ofs << "); end" << endl;
}
/* ************************************************************************* */
void Constructor::matlab_mfile(const string& toolboxPath, const string& className) {
string name = matlab_wrapper_name(className);
// open destination m-file
string wrapperFile = toolboxPath + "/" + name + ".m";
ofstream ofs(wrapperFile.c_str());
if(!ofs) throw CantOpenFile(wrapperFile);
if(verbose_) cerr << "generating " << wrapperFile << endl;
// generate code
emit_header_comment(ofs, "%");
ofs << "function result = " << name << "(obj";
if (args.size()) ofs << "," << args.names();
ofs << ")" << endl;
ofs << " error('need to compile " << name << ".cpp');" << endl;
ofs << "end" << endl;
// close file
ofs.close();
}
/* ************************************************************************* */
void Constructor::matlab_wrapper(const string& toolboxPath,
const string& className,
const string& nameSpace)
{
string name = matlab_wrapper_name(className);
// open destination wrapperFile
string wrapperFile = toolboxPath + "/" + name + ".cpp";
ofstream ofs(wrapperFile.c_str());
if(!ofs) throw CantOpenFile(wrapperFile);
if(verbose_) cerr << "generating " << wrapperFile << endl;
// generate code
emit_header_comment(ofs, "//");
ofs << "#include <wrap/matlab.h>" << endl;
ofs << "#include <" << className << ".h>" << endl;
if (!nameSpace.empty()) ofs << "using namespace " << nameSpace << ";" << endl;
ofs << "void mexFunction(int nargout, mxArray *out[], int nargin, const mxArray *in[])" << endl;
ofs << "{" << endl;
ofs << " checkArguments(\"" << name << "\",nargout,nargin," << args.size() << ");" << endl;
args.matlab_unwrap(ofs); // unwrap arguments
ofs << " " << className << "* self = new " << className << "(" << args.names() << ");" << endl;
ofs << " out[0] = wrap_constructed(self,\"" << className << "\");" << endl;
ofs << "}" << endl;
// close file
ofs.close();
}
/* ************************************************************************* */