GFitsHeader.i
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/***************************************************************************
* GFitsHeader.i - FITS header cards container class *
* ----------------------------------------------------------------------- *
* copyright (C) 2008-2018 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 GFitsHeader.i
* @brief FITS header cards container class definition
* @author Juergen Knoedlseder
*/
%{
/* Put headers and other declarations here that are needed for compilation */
#include "GFitsHeader.hpp"
#include "GTools.hpp"
%}
/***********************************************************************//**
* @class GFitsHeader
*
* @brief Interface for FITS header class
***************************************************************************/
class GFitsHeader : public GContainer {
public:
// Constructors and destructors
GFitsHeader(void);
GFitsHeader(const GFitsHeader& header);
virtual ~GFitsHeader(void);
// Methods
void clear(void);
GFitsHeader* clone(void) const;
std::string classname(void) const;
std::string string(const int& cardno) const;
std::string string(const std::string& keyname) const;
double real(const int& cardno) const;
double real(const std::string& keyname) const;
int integer(const int& cardno) const;
int integer(const std::string& keyname) const;
int size(void) const;
bool is_empty(void) const;
GFitsHeaderCard& append(const GFitsHeaderCard& card);
GFitsHeaderCard& insert(const int& cardno, const GFitsHeaderCard& card);
GFitsHeaderCard& insert(const std::string& keyname, const GFitsHeaderCard& card);
void remove(const int& cardno);
void remove(const std::string& keyname);
void reserve(const int& num);
void extend(const GFitsHeader& header);
bool contains(const int& cardno) const;
bool contains(const std::string& keyname) const;
void load(void* vptr);
void save(void* vptr) const;
};
/***********************************************************************//**
* @brief GFitsHeader class extension
***************************************************************************/
%extend GFitsHeader {
GFitsHeaderCard& __getitem__(const int& cardno) {
// Counting from start, e.g. [2]
if (cardno >= 0 && cardno < self->size()) {
return (*self)[cardno];
}
// Counting from end, e.g. [-1]
else if (cardno < 0 && self->size()+cardno >= 0) {
return (*self)[self->size()+cardno];
}
else {
throw GException::out_of_range("__getitem__(int)",
"Header card number",
cardno, self->size());
}
}
GFitsHeaderCard& __getitem__(const std::string& keyname) {
return (*self)[keyname];
}
GFitsHeader* __getitem__(PyObject *param) {
if (PySlice_Check(param)) {
Py_ssize_t start = 0;
Py_ssize_t stop = 0;
Py_ssize_t step = 0;
Py_ssize_t len = self->size();
if (PythonSlice_GetIndices(param, len, &start, &stop, &step) == 0) {
GFitsHeader* header = new GFitsHeader;
if (step > 0) {
for (int i = (int)start; i < (int)stop; i += (int)step) {
header->append((*self)[i]);
}
}
else {
for (int i = (int)start; i > (int)stop; i += (int)step) {
header->append((*self)[i]);
}
}
return header;
}
else {
throw GException::invalid_argument("__getitem__(PyObject)",
"Invalid slice indices");
}
}
else {
throw GException::invalid_argument("__getitem__(PyObject)","");
}
}
void __setitem__(const int& cardno, const GFitsHeaderCard& card) {
// Counting from start, e.g. [2]
if (cardno >= 0 && cardno < self->size()) {
(*self)[cardno] = card;
}
// Counting from end, e.g. [-1]
else if (cardno < 0 && self->size()+cardno >= 0) {
(*self)[self->size()+cardno] = card;
}
else {
throw GException::out_of_range("__setitem__(int)",
"Header card number",
cardno, self->size());
}
}
void __setitem__(const std::string& keyname, const GFitsHeaderCard& card) {
(*self)[keyname] = card;
return;
}
GFitsHeader copy() {
return (*self);
}
%pythoncode {
def __getstate__(self):
state = tuple([x for x in self]),
return state
def __setstate__(self, state):
self.__init__()
size = len(state[0])
self.reserve(size)
for x in state[0]:
self.append(x)
}
}