GCsv.i
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/***************************************************************************
* GCsv.i - Column separated values table class *
* ----------------------------------------------------------------------- *
* copyright (C) 2010-2013 by Juergen Knoedlseder *
* ----------------------------------------------------------------------- *
* *
* This program is free software: you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation, either version 3 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program. If not, see <http://www.gnu.org/licenses/>. *
* *
***************************************************************************/
/**
* @file GCsv.hpp
* @brief Column separated values table class definition
* @author Juergen Knoedlseder
*/
%{
/* Put headers and other declarations here that are needed for compilation */
#include "GCsv.hpp"
#include "GTools.hpp"
%}
%include stl.i
/***********************************************************************//**
* @brief Tuple to index conversion to provide element access.
*
* The following function provides conversion between a Python tuple and
* an integer array. This allows table element access via tuples, such as in
* a[3,5] = 10.0 or c = a[2,9]. Note that the typemap will be globally
* defined after inclusing of this file.
***************************************************************************/
%{
static int csv_tuple(PyObject *input, int *ptr) {
if (PySequence_Check(input)) {
int size = PyObject_Length(input);
if (size > 2) {
PyErr_SetString(PyExc_ValueError,"Too many arguments in tuple");
return 0;
}
for (int i = 0; i < size; i++) {
PyObject *o = PySequence_GetItem(input,i);
if (!PyInt_Check(o)) {
Py_XDECREF(o);
PyErr_SetString(PyExc_ValueError,"Expecting a tuple of integers");
return 0;
}
ptr[i] = (int)PyInt_AsLong(o);
Py_DECREF(o);
}
return 1;
}
else {
ptr[0] = 1;
if (!PyInt_Check(input)) {
PyErr_SetString(PyExc_ValueError,"Expecting an integer");
return 0;
}
ptr[1] = (int)PyInt_AsLong(input);
return 1;
}
}
%}
%typemap(in) int GCsvInx[ANY](int temp[2]) {
if (!csv_tuple($input,temp)) {
return NULL;
}
$1 = &temp[0];
}
/***********************************************************************//**
* @class GCsv
*
* @brief Column separated values table class definition
***************************************************************************/
class GCsv : public GBase {
public:
// Constructors and destructors
GCsv(void);
GCsv(const std::string& filename, const std::string& sep = " ");
GCsv(const GCsv& csv);
virtual ~GCsv(void);
// Methods
void clear(void);
GCsv* clone(void) const;
int size(void) const;
const int& ncols(void) const;
const int& nrows(void) const;
std::string string(const int& row, const int& col) const;
double real(const int& row, const int& col) const;
int integer(const int& row, const int& col) const;
void load(const std::string& filename, const std::string& sep = " ");
};
/***********************************************************************//**
* @brief GCsv class extension
***************************************************************************/
%extend GCsv {
std::string __getitem__(int GCsvInx[]) {
return (*self)(GCsvInx[0], GCsvInx[1]);
}
void __setitem__(int GCsvInx[], std::string value) {
(*self)(GCsvInx[0], GCsvInx[1]) = value;
}
int __len__() {
return (self->size());
}
GCsv copy() {
return (*self);
}
};