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2006-08-15 Al Riddoch <alriddoch@zepler.org>

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* rulesets/Python_API.cpp: In Python Entity constructor, tighten
	  up checks so exceptions are thrown for initialisers of the wrong
	  type. Convert xyz sequence more directly to C++ vector for
	  efficiency.
This commit is contained in:
Al Riddoch 2006-08-15 15:38:29 +00:00
parent 623cb09d13
commit 94de650f41
2 changed files with 64 additions and 4 deletions
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61
rulesets/Python_API.cpp
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@ -679,6 +679,42 @@ static PyObject * oplist_new(PyObject * self, PyObject * args)
return (PyObject *)o;
}
static int PySequence_asVector(PyObject * o, std::vector<double> & ret)
{
int len;
PyObject * item;
if (PyList_Check(o)) {
len = PyList_Size(o);
ret.resize(len);
for(int i = 0; i < len; i++) {
item = PyList_GetItem(o, i);
if (PyFloat_Check(item)) {
ret[i] = PyFloat_AsDouble(item);
} else if (PyInt_Check(item)) {
ret[i] = PyInt_AsLong(item);
} else {
return -1;
}
}
} else if (PyTuple_Check(o)) {
len = PyTuple_Size(o);
ret.resize(len);
for(int i = 0; i < len; i++) {
item = PyTuple_GetItem(o, i);
if (PyFloat_Check(item)) {
ret[i] = PyFloat_AsDouble(item);
} else if (PyInt_Check(item)) {
ret[i] = PyInt_AsLong(item);
} else {
return -1;
}
}
} else {
return -1;
}
return 0;
}
static PyObject * entity_new(PyObject * self, PyObject * args, PyObject * kwds)
{
char * id = NULL;
@ -701,14 +737,31 @@ static PyObject * entity_new(PyObject * self, PyObject * args, PyObject * kwds)
for(i = 0; i < size; i++) {
char * key = PyString_AsString(PyList_GetItem(keys, i));
PyObject * val = PyList_GetItem(vals, i);
if ((strcmp(key, "location") == 0) && (PyLocation_Check(val))) {
if (strcmp(key, "location") == 0) {
if (!PyLocation_Check(val)) {
PyErr_SetString(PyExc_TypeError, "location must be a Location object");
return NULL;
}
PyLocation * loc = (PyLocation*)val;
loc->location->addToEntity(ent);
} else if (strcmp(key, "xyz") == 0) {
ent->setAttr("pos", PyObject_asMessageElement(val));
} else if ((strcmp(key, "parent") == 0) && (PyString_Check(val))) {
std::vector<double> vector_val;
if (PySequence_asVector(val, vector_val) != 0) {
PyErr_SetString(PyExc_TypeError, "xyz must be a number sequence.");
return NULL;
}
ent->setPos(vector_val);
} else if (strcmp(key, "parent") == 0) {
if (!PyString_Check(val)) {
PyErr_SetString(PyExc_TypeError, "parent must be a string.");
return NULL;
}
ent->setLoc(PyString_AsString(val));
} else if ((strcmp(key, "type") == 0) && (PyString_Check(val))) {
} else if (strcmp(key, "type") == 0) {
if (!PyString_Check(val)) {
PyErr_SetString(PyExc_TypeError, "type must be a string.");
return NULL;
}
ent->setParents(std::list<std::string>(1, PyString_AsString(val)));
ent->setObjtype("obj");
} else {