166 lines
4.6 KiB
C++
166 lines
4.6 KiB
C++
/****************************************************************************
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**
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** This file is part of the LibreCAD project, a 2D CAD program
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**
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** Copyright (C) 2010 R. van Twisk (librecad@rvt.dds.nl)
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** Copyright (C) 2001-2003 RibbonSoft. All rights reserved.
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**
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**
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** This file may be distributed and/or modified under the terms of the
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** GNU General Public License version 2 as published by the Free Software
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** Foundation and appearing in the file gpl-2.0.txt included in the
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** packaging of this file.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program; if not, write to the Free Software
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** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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**
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** This copyright notice MUST APPEAR in all copies of the script!
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**
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**********************************************************************/
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#ifdef RS_OPT_SIMPLEPYTHON
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#include "rs_simplepython.h"
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RS_SimplePython* RS_SimplePython::uniqueInstance = NULL;
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/**
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* Gets the one and only RS_SimplePython instance
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* (creates a new one on first call only)
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*
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* @return Pointer to the single instance of this
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* singleton class
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*/
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RS_SimplePython* RS_SimplePython::instance() {
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if(uniqueInstance==NULL) {
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uniqueInstance = new RS_SimplePython;
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}
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return uniqueInstance;
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}
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/**
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* Launches the given script.
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*/
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int RS_SimplePython::launch(const QString& script) {
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long answer;
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PyObject *modname, *mod, *mdict, *func, *rslt;
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//Py_SetProgramName(argv[0]);
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Py_Initialize();
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init_pyextension();
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modname = PyString_FromString(script);
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mod = PyImport_Import(modname);
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if (mod) {
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//printf( "mod\n");
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mdict = PyModule_GetDict(mod);
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// Borrowed reference to start function
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func = PyDict_GetItemString(mdict, "start");
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if (func) {
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//printf( "func\n");
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if (PyCallable_Check(func)) {
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//printf("calling..\n");
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rslt = PyObject_CallFunction(func, "(s)", "noparam");
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//printf("calling ok\n");
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if (rslt) {
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//printf("c: rslt\n");
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answer = PyInt_AsLong(rslt);
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//printf("c: answer is: %ld\n", answer);
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Py_XDECREF(rslt);
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}
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}
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} else {
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printf("no such function: start\n");
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}
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Py_XDECREF(mod);
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} else {
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printf("no such module: %s\n", script.latin1());
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}
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Py_XDECREF(modname);
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Py_Finalize();
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return 0;
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}
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/**
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* A test method exposed to Python
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*/
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long inc(long i) {
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printf("c: inc called\n");
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printf("c: parameter from python: %ld\n", i);
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return ++i;
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}
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/**
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* The magic that exposes inc(). A wrapper function.
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*/
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static PyObject *py_inc(PyObject* /*self*/, PyObject* args) {
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long i;
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printf("c: py_inc called\n");
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if (!PyArg_ParseTuple(args, "l", &i))
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return NULL;
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return Py_BuildValue("l", inc(i));
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}
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/**
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* Adds a line to the current graphic document.
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*/
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void rsPyAddLine(double x1, double y1, double x2, double y2) {
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//printf("c: addLine called\n");
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//printf("c: parameter from python: %f\n", x1);
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RS_Graphic* graphic = RS_SIMPLEPYTHON->getGraphic();
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if (graphic) {
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graphic->addEntity(new RS_Line(graphic,
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RS_LineData(RS_Vector(x1, y1),
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RS_Vector(x2, y2))));
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} else {
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std::cerr << "rsPyAddLine: No graphic object set.\n";
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}
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}
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/**
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* Python wrapper.
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*/
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static PyObject *py_rsPyAddLine(PyObject* /*self*/, PyObject* args) {
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double x1, y1, x2, y2;
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//printf("c: py_rsPyAddLine called\n");
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if (!PyArg_ParseTuple(args, "dddd", &x1, &y1, &x2, &y2)) {
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return NULL;
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}
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rsPyAddLine(x1, y1, x2, y2);
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return Py_BuildValue("d", 1);
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}
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/**
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* The librecad module's function table.
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*/
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static PyMethodDef rsLibreCADMethods[] =
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{
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{"inc", py_inc, 1,
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"a silly example method"},
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{"rsPyAddLine", py_rsPyAddLine, 1,
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"adds a line to the current document"},
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{NULL, NULL} /* sentinel */
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};
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/**
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* Python will call this when the librecad module is imported.
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*/
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void init_pyextension() {
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printf("c: adding module: librecad\n");
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PyImport_AddModule("librecad");
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Py_InitModule("librecad", rsLibreCADMethods);
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printf("c: module librecad: OK\n");
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}
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#endif
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