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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include "formula_token.hpp"
#include "global.hpp"
#include "orcus/spreadsheet/document.hpp"
#include <ixion/formula.hpp>
#include <ixion/formula_name_resolver.hpp>
#include <ixion/model_context.hpp>
#include <structmember.h>
namespace ss = orcus::spreadsheet;
namespace orcus { namespace python {
namespace {
/** non-python part of the object's internal. */
struct data_formula_token
{
std::string repr;
};
/**
* Python object for orcus.NamedExpression.
*/
struct pyobj_formula_token
{
PyObject_HEAD
PyObject* type;
PyObject* op;
data_formula_token* data;
};
const char* to_formula_token_type(ixion::fopcode_t op)
{
switch (op)
{
case ixion::fop_single_ref:
case ixion::fop_range_ref:
case ixion::fop_table_ref:
return "REFERENCE";
case ixion::fop_named_expression:
return "NAME";
case ixion::fop_function:
return "FUNCTION";
case ixion::fop_string:
case ixion::fop_value:
return "VALUE";
case ixion::fop_plus:
case ixion::fop_minus:
case ixion::fop_divide:
case ixion::fop_multiply:
case ixion::fop_exponent:
case ixion::fop_concat:
case ixion::fop_equal:
case ixion::fop_not_equal:
case ixion::fop_less:
case ixion::fop_greater:
case ixion::fop_less_equal:
case ixion::fop_greater_equal:
case ixion::fop_open:
case ixion::fop_close:
case ixion::fop_sep:
return "OPERATOR";
case ixion::fop_error:
return "ERROR";
case ixion::fop_unknown:
default:
;
}
return "UNKNOWN";
}
const char* to_formula_token_op(ixion::fopcode_t op)
{
const char* names[] = {
"UNKNOWN",
"SINGLE_REF",
"RANGE_REF",
"TABLE_REF",
"NAMED_EXPRESSION",
"STRING",
"VALUE",
"FUNCTION",
"PLUS",
"MINUS",
"DIVIDE",
"MULTIPLY",
"EXPONENT",
"CONCAT",
"EQUAL",
"NOT_EQUAL",
"LESS",
"GREATER",
"LESS_EQUAL",
"GREATER_EQUAL",
"OPEN",
"CLOSE",
"SEP",
"ERROR",
};
auto n_names = std::size(names);
return op < n_names ? names[op] : names[0];
}
void init_members(pyobj_formula_token* self)
{
Py_INCREF(Py_None);
self->type = Py_None;
Py_INCREF(Py_None);
self->op = Py_None;
}
PyObject* create_and_init_formula_token_object(ixion::fopcode_t op, std::string repr)
{
PyTypeObject* ft_type = get_formula_token_type();
if (!ft_type)
{
PyErr_SetString(PyExc_RuntimeError, "Failed to get the formula token type object.");
return nullptr;
}
PyObject* obj = ft_type->tp_new(ft_type, nullptr, nullptr);
if (!obj)
{
PyErr_SetString(PyExc_RuntimeError, "Failed to instantiate a formula token object.");
return nullptr;
}
pyobj_formula_token* self = reinterpret_cast<pyobj_formula_token*>(obj);
init_members(self);
self->type = get_python_enum_value("FormulaTokenType", to_formula_token_type(op));
self->op = get_python_enum_value("FormulaTokenOp", to_formula_token_op(op));
self->data->repr = std::move(repr);
return obj;
}
void tp_dealloc(pyobj_formula_token* self)
{
delete self->data;
self->data = nullptr;
Py_CLEAR(self->op);
Py_CLEAR(self->type);
Py_TYPE(self)->tp_free(reinterpret_cast<PyObject*>(self));
}
int tp_init(pyobj_formula_token* self, PyObject* /*args*/, PyObject* /*kwargs*/)
{
init_members(self);
return 0;
}
PyObject* tp_new(PyTypeObject* type, PyObject* /*args*/, PyObject* /*kwargs*/)
{
pyobj_formula_token* self = (pyobj_formula_token*)type->tp_alloc(type, 0);
self->data = new data_formula_token;
return reinterpret_cast<PyObject*>(self);
}
PyObject* tp_repr(pyobj_formula_token* self)
{
return PyUnicode_FromStringAndSize(self->data->repr.data(), self->data->repr.size());
}
PyMemberDef tp_members[] =
{
{ (char*)"type", T_OBJECT_EX, offsetof(pyobj_formula_token, type), READONLY, (char*)"formula token type" },
{ (char*)"op", T_OBJECT_EX, offsetof(pyobj_formula_token, op), READONLY, (char*)"formula token operator" },
{ nullptr }
};
PyTypeObject formula_token_type =
{
PyVarObject_HEAD_INIT(nullptr, 0)
"orcus.FormulaToken", // tp_name
sizeof(pyobj_formula_token), // tp_basicsize
0, // tp_itemsize
(destructor)tp_dealloc, // tp_dealloc
0, // tp_print
0, // tp_getattr
0, // tp_setattr
0, // tp_compare
(reprfunc)tp_repr, // tp_repr
0, // tp_as_number
0, // tp_as_sequence
0, // tp_as_mapping
0, // tp_hash
0, // tp_call
0, // tp_str
0, // tp_getattro
0, // tp_setattro
0, // tp_as_buffer
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, // tp_flags
"orcus spreadsheet formula token", // tp_doc
0, // tp_traverse
0, // tp_clear
0, // tp_richcompare
0, // tp_weaklistoffset
0, // tp_iter
0, // tp_iternext
0, // tp_methods
tp_members, // tp_members
0, // tp_getset
0, // tp_base
0, // tp_dict
0, // tp_descr_get
0, // tp_descr_set
0, // tp_dictoffset
(initproc)tp_init, // tp_init
0, // tp_alloc
tp_new, // tp_new
};
} // anonymous namespace
PyObject* create_formula_token_object(const ss::document& doc, const ixion::abs_address_t& pos, const ixion::formula_token& token)
{
const ixion::model_context& cxt = doc.get_model_context();
auto* resolver = doc.get_formula_name_resolver(ss::formula_ref_context_t::global);
assert(resolver);
std::string ft_s = ixion::print_formula_token(cxt, pos, *resolver, token);
PyObject* obj = create_and_init_formula_token_object(token.opcode, std::move(ft_s));
if (!obj)
return nullptr;
return obj;
}
PyTypeObject* get_formula_token_type()
{
return &formula_token_type;
}
}}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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