179 lines
6.6 KiB
C++
179 lines
6.6 KiB
C++
/* This file is part of the Pangolin Project.
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* http://github.com/stevenlovegrove/Pangolin
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*
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* Copyright (c) 2011 Steven Lovegrove
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following
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* conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#pragma once
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#include <Python.h>
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#include <iomanip>
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#include <queue>
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#include <structmember.h>
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#include <pangolin/var/var.h>
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#include <pangolin/console/ConsoleInterpreter.h>
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namespace pangolin
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{
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struct PyPangoIO {
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PyObject_HEAD
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static PyTypeObject Py_type;
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static PyMethodDef Py_methods[];
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PyPangoIO(PyTypeObject *type, std::queue<ConsoleLine>& line_queue, ConsoleLineType line_type)
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: line_queue(line_queue), line_type(line_type)
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{
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#if PY_MAJOR_VERSION >= 3
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ob_base.ob_refcnt = 1;
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ob_base.ob_type = type;
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#else
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ob_refcnt = 1;
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ob_type = type;
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#endif
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}
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static void Py_dealloc(PyPangoIO* self)
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{
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delete self;
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}
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static PyObject * Py_new(PyTypeObject */*type*/, PyObject */*args*/, PyObject */*kwds*/)
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{
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// Failure. Can only new in c++
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return 0;
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}
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static int Py_init(PyPangoIO* /*self*/, PyObject* /*args*/, PyObject* /*kwds*/)
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{
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return 0;
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}
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static PyObject* Py_getattr(PyPangoIO *self, char* name)
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{
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#if PY_MAJOR_VERSION >= 3
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PyObject* pystr = PyUnicode_FromString(name);
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#else
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PyObject* pystr = PyString_FromString(name);
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#endif
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return PyObject_GenericGetAttr((PyObject*)self, pystr );
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}
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static int Py_setattr(PyPangoIO *self, char* name, PyObject* val)
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{
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#if PY_MAJOR_VERSION >= 3
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PyObject* pystr = PyUnicode_FromString(name);
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#else
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PyObject* pystr = PyString_FromString(name);
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#endif
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return PyObject_GenericSetAttr((PyObject*)self, pystr, val);
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}
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static PyObject* Py_write(PyPangoIO* self, PyObject *args)
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{
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const char *text = 0;
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if (PyArg_ParseTuple(args, "s", &text)) {
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self->buffer += std::string(text);
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size_t nl = self->buffer.find_first_of('\n');
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while(nl != std::string::npos) {
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const std::string line = self->buffer.substr(0,nl);
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self->line_queue.push(ConsoleLine(line,self->line_type));
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self->buffer = self->buffer.substr(nl+1);
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nl = self->buffer.find_first_of('\n');
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}
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}
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Py_RETURN_NONE;
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}
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std::string buffer;
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std::queue<ConsoleLine>& line_queue;
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ConsoleLineType line_type;
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};
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PyMethodDef PyPangoIO::Py_methods[] = {
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{"write", (PyCFunction)PyPangoIO::Py_write, METH_VARARGS, "Write to console" },
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{NULL, NULL, 0, NULL}
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};
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#pragma GCC diagnostic push // Ignore python missing initializer warning.
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#pragma GCC diagnostic ignored "-Wmissing-field-initializers"
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PyTypeObject PyPangoIO::Py_type = {
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PyVarObject_HEAD_INIT(NULL,0)
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"pangolin.PangoIO", /* tp_name*/
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sizeof(PyPangoIO), /* tp_basicsize*/
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0, /* tp_itemsize*/
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(destructor)PyPangoIO::Py_dealloc, /* tp_dealloc*/
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0, /* tp_print*/
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(getattrfunc)PyPangoIO::Py_getattr, /* tp_getattr*/
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(setattrfunc)PyPangoIO::Py_setattr, /* tp_setattr*/
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0, /* tp_compare*/
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0, /* tp_repr*/
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0, /* tp_as_number*/
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0, /* tp_as_sequence*/
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0, /* tp_as_mapping*/
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0, /* tp_hash */
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0, /* tp_call*/
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0, /* tp_str*/
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0, /* tp_getattro*/
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0, /* tp_setattro*/
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0, /* tp_as_buffer*/
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Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags*/
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"PyPangoIO object", /* tp_doc */
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0, /* tp_traverse */
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0, /* tp_clear */
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0, /* tp_richcompare */
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0, /* tp_weaklistoffset */
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0, /* tp_iter */
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0, /* tp_iternext */
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PyPangoIO::Py_methods, /* tp_methods */
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0, /* tp_members */
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0, /* tp_getset */
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0, /* tp_base */
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0, /* tp_dict */
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0, /* tp_descr_get */
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0, /* tp_descr_set */
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0, /* tp_dictoffset */
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(initproc)PyPangoIO::Py_init, /* tp_init */
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0, /* tp_alloc */
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(newfunc)PyPangoIO::Py_new, /* tp_new */
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0, /* tp_free */
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0, /* tp_is_gc */
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0, /* tp_bases */
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0, /* tp_mro */
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0, /* tp_cache */
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0, /* tp_subclasses */
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0, /* tp_weaklist */
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0, /* tp_del */
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0 /* tp_version_tag */
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};
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#pragma GCC diagnostic pop // Return to normal
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}
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