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253 lines (215 loc) · 8.94 KB
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//-----------------------------------------------------------------------------
// Copyright 2016, 2017, Oracle and/or its affiliates. All rights reserved.
//
// Portions Copyright 2007-2015, Anthony Tuininga. All rights reserved.
//
// Portions Copyright 2001-2007, Computronix (Canada) Ltd., Edmonton, Alberta,
// Canada. All rights reserved.
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// NumberVar.c
// Defines the routines for handling numeric variables.
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// Declaration of number variable functions.
//-----------------------------------------------------------------------------
static PyObject *NumberVar_GetValueDecimal(udt_Variable*, dpiData*);
static PyObject *NumberVar_GetValueFloat(udt_Variable*, dpiData*);
static PyObject *NumberVar_GetValueInteger(udt_Variable*, dpiData*);
static PyObject *NumberVar_GetValueLongInteger(udt_Variable*, dpiData*);
static int NumberVar_SetValueDecimal(udt_Variable*, uint32_t, dpiData*,
PyObject*);
static int NumberVar_SetValueFloat(udt_Variable*, uint32_t, dpiData*,
PyObject*);
static int NumberVar_SetValueInteger(udt_Variable*, uint32_t, dpiData*,
PyObject*);
static int NumberVar_SetValueLongInteger(udt_Variable*, uint32_t, dpiData*,
PyObject*);
//-----------------------------------------------------------------------------
// Python type declarations
//-----------------------------------------------------------------------------
DECLARE_VARIABLE_TYPE(g_NumberVarType, NUMBER)
DECLARE_VARIABLE_TYPE(g_NativeFloatVarType, NATIVE_FLOAT)
DECLARE_VARIABLE_TYPE(g_NativeIntVarType, NATIVE_INT)
//-----------------------------------------------------------------------------
// variable type declarations
//-----------------------------------------------------------------------------
static udt_VariableType vt_NumberAsDecimal = {
(SetValueProc) NumberVar_SetValueDecimal,
(GetValueProc) NumberVar_GetValueDecimal,
&g_NumberVarType, // Python type
DPI_ORACLE_TYPE_NUMBER, // Oracle type
DPI_NATIVE_TYPE_BYTES, // native type
1000 // element length
};
static udt_VariableType vt_NumberAsFloat = {
(SetValueProc) NumberVar_SetValueFloat,
(GetValueProc) NumberVar_GetValueFloat,
&g_NumberVarType, // Python type
DPI_ORACLE_TYPE_NUMBER, // Oracle type
DPI_NATIVE_TYPE_DOUBLE, // native type
0 // element length
};
static udt_VariableType vt_NumberAsInteger = {
(SetValueProc) NumberVar_SetValueInteger,
(GetValueProc) NumberVar_GetValueInteger,
&g_NumberVarType, // Python type
DPI_ORACLE_TYPE_NUMBER, // Oracle type
DPI_NATIVE_TYPE_INT64, // native type
0 // element length
};
static udt_VariableType vt_NumberAsLongInteger = {
(SetValueProc) NumberVar_SetValueLongInteger,
(GetValueProc) NumberVar_GetValueLongInteger,
&g_NumberVarType, // Python type
DPI_ORACLE_TYPE_NUMBER, // Oracle type
DPI_NATIVE_TYPE_BYTES, // native type
40 // element length
};
static udt_VariableType vt_NativeFloat = {
(SetValueProc) NumberVar_SetValueFloat,
(GetValueProc) NumberVar_GetValueFloat,
&g_NativeFloatVarType, // Python type
DPI_ORACLE_TYPE_NATIVE_DOUBLE, // Oracle type
DPI_NATIVE_TYPE_DOUBLE, // native type
0 // element length
};
static udt_VariableType vt_NativeInteger = {
(SetValueProc) NumberVar_SetValueInteger,
(GetValueProc) NumberVar_GetValueInteger,
&g_NativeIntVarType, // Python type
DPI_ORACLE_TYPE_NATIVE_INT, // Oracle type
DPI_NATIVE_TYPE_INT64, // native type
0 // element length
};
//-----------------------------------------------------------------------------
// NumberVar_GetValueDecimal()
// Returns the value of the variable as a decimal object.
//-----------------------------------------------------------------------------
static PyObject *NumberVar_GetValueDecimal(udt_Variable *var, dpiData *data)
{
PyObject *stringObj, *result;
dpiBytes *bytes;
bytes = &data->value.asBytes;
stringObj = cxString_FromEncodedString(bytes->ptr, bytes->length,
bytes->encoding);
if (!stringObj)
return NULL;
result = PyObject_CallFunctionObjArgs( (PyObject*) g_DecimalType,
stringObj, NULL);
Py_DECREF(stringObj);
return result;
}
//-----------------------------------------------------------------------------
// NumberVar_GetValueFloat()
// Returns the value of the variable as a float.
//-----------------------------------------------------------------------------
static PyObject *NumberVar_GetValueFloat(udt_Variable *var, dpiData *data)
{
return PyFloat_FromDouble(data->value.asDouble);
}
//-----------------------------------------------------------------------------
// NumberVar_GetValueInteger()
// Returns the value of the variable as an integer.
//-----------------------------------------------------------------------------
static PyObject *NumberVar_GetValueInteger(udt_Variable *var, dpiData *data)
{
return PyInt_FromLong((long) data->value.asInt64);
}
//-----------------------------------------------------------------------------
// NumberVar_GetValueLongInteger()
// Returns the value of the variable as a long integer (one that may not fit
// in a native integer).
//-----------------------------------------------------------------------------
static PyObject *NumberVar_GetValueLongInteger(udt_Variable *var,
dpiData *data)
{
PyObject *stringObj, *result;
dpiBytes *bytes;
bytes = &data->value.asBytes;
stringObj = cxString_FromEncodedString(bytes->ptr, bytes->length,
bytes->encoding);
if (!stringObj)
return NULL;
result = PyNumber_Int(stringObj);
Py_DECREF(stringObj);
return result;
}
//-----------------------------------------------------------------------------
// NumberVar_SetValueDecimal()
// Sets the value of the variable from a decimal object.
//-----------------------------------------------------------------------------
static int NumberVar_SetValueDecimal(udt_Variable *var, uint32_t pos,
dpiData *data, PyObject *value)
{
PyObject *textValue;
int status;
if (Py_TYPE(value) != g_DecimalType) {
PyErr_SetString(PyExc_TypeError, "expecting decimal");
return -1;
}
textValue = PyObject_Str(value);
if (!textValue)
return -1;
status = Variable_SetValueBytes(var, pos, data, textValue);
Py_DECREF(textValue);
return status;
}
//-----------------------------------------------------------------------------
// NumberVar_SetValueFloat()
// Sets the value of the variable from a float.
//-----------------------------------------------------------------------------
static int NumberVar_SetValueFloat(udt_Variable *var, uint32_t pos,
dpiData *data, PyObject *value)
{
data->value.asDouble = PyFloat_AsDouble(value);
if (PyErr_Occurred())
return -1;
return 0;
}
//-----------------------------------------------------------------------------
// NumberVar_SetValueInteger()
// Sets the value of the variable from an integer.
//-----------------------------------------------------------------------------
static int NumberVar_SetValueInteger(udt_Variable *var, uint32_t pos,
dpiData *data, PyObject *value)
{
#if PY_MAJOR_VERSION < 3
if (PyInt_Check(value)) {
data->value.asInt64 = PyInt_AS_LONG(value);
return 0;
}
#endif
if (!PyLong_Check(value)) {
PyErr_SetString(PyExc_TypeError, "expecting integer");
return -1;
}
data->value.asInt64 = PyLong_AsLong(value);
if (PyErr_Occurred())
return -1;
return 0;
}
//-----------------------------------------------------------------------------
// NumberVar_SetValueLongInteger()
// Sets the value of the variable from a long integer.
//-----------------------------------------------------------------------------
static int NumberVar_SetValueLongInteger(udt_Variable *var, uint32_t pos,
dpiData *data, PyObject *value)
{
PyObject *textValue;
int status;
#if PY_MAJOR_VERSION < 3
if (!PyInt_Check(value) && !PyLong_Check(value)) {
#else
if (!PyLong_Check(value)) {
#endif
PyErr_SetString(PyExc_TypeError, "expecting integer");
return -1;
}
textValue = PyObject_Str(value);
if (!textValue)
return -1;
status = Variable_SetValueBytes(var, pos, data, textValue);
Py_DECREF(textValue);
return status;
}
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