static PyObject*
decode_array(JSONData *jsondata)
{
PyObject *object, *item;
int c, expect_item, items, result;
char *start;
object = PyList_New(0);
start = jsondata->ptr;
jsondata->ptr++;
expect_item = True;
items = 0;
while (True) {
skipSpaces(jsondata);
c = *jsondata->ptr;
if (c == 0) {
PyErr_Format(JSON_DecodeError, "unterminated array starting at "
"position " SSIZE_T_F,
(Py_ssize_t)(start - jsondata->str));
goto failure;;
} else if (c == ']') {
if (expect_item && items>0) {
PyErr_Format(JSON_DecodeError, "expecting array item at "
"position " SSIZE_T_F,
(Py_ssize_t)(jsondata->ptr - jsondata->str));
goto failure;
}
jsondata->ptr++;
break;
} else if (c == ',') {
if (expect_item) {
PyErr_Format(JSON_DecodeError, "expecting array item at "
"position " SSIZE_T_F,
(Py_ssize_t)(jsondata->ptr - jsondata->str));
goto failure;
}
expect_item = True;
jsondata->ptr++;
continue;
} else {
item = decode_json(jsondata);
if (item == NULL)
goto failure;
result = PyList_Append(object, item);
Py_DECREF(item);
if (result == -1)
goto failure;
expect_item = False;
items++;
}
}
return object;
failure:
Py_DECREF(object);
return NULL;
}
static PyObject*
decode_object(JSONData *jsondata)
{
PyObject *object, *key, *value;
int c, expect_key, items, result;
char *start;
object = PyDict_New();
expect_key = True;
items = 0;
start = jsondata->ptr;
jsondata->ptr++;
while (True) {
skipSpaces(jsondata);
c = *jsondata->ptr;
if (c == 0) {
PyErr_Format(JSON_DecodeError, "unterminated object starting at "
"position " SSIZE_T_F,
(Py_ssize_t)(start - jsondata->str));
goto failure;;
} else if (c == '}') {
if (expect_key && items>0) {
PyErr_Format(JSON_DecodeError, "expecting object property name"
" at position " SSIZE_T_F,
(Py_ssize_t)(jsondata->ptr - jsondata->str));
goto failure;
}
jsondata->ptr++;
break;
} else if (c == ',') {
if (expect_key) {
PyErr_Format(JSON_DecodeError, "expecting object property name"
"at position " SSIZE_T_F,
(Py_ssize_t)(jsondata->ptr - jsondata->str));
goto failure;
}
expect_key = True;
jsondata->ptr++;
continue;
} else {
if (c != '"') {
PyErr_Format(JSON_DecodeError, "expecting property name in "
"object at position " SSIZE_T_F,
(Py_ssize_t)(jsondata->ptr - jsondata->str));
goto failure;
}
key = decode_json(jsondata);
if (key == NULL)
goto failure;
skipSpaces(jsondata);
if (*jsondata->ptr != ':') {
PyErr_Format(JSON_DecodeError, "missing colon after object "
"property name at position " SSIZE_T_F,
(Py_ssize_t)(jsondata->ptr - jsondata->str));
Py_DECREF(key);
goto failure;
} else {
jsondata->ptr++;
}
value = decode_json(jsondata);
if (value == NULL) {
Py_DECREF(key);
goto failure;
}
result = PyDict_SetItem(object, key, value);
Py_DECREF(key);
Py_DECREF(value);
if (result == -1)
goto failure;
expect_key = False;
items++;
}
}
return object;
failure:
Py_DECREF(object);
return NULL;
}
static PyObject*
decode_object(JSONData *jsondata)
{
PyObject *object, *key, *value;
DictionaryState next_state;
int c, result;
char *start;
object = PyDict_New();
start = jsondata->ptr;
jsondata->ptr++;
next_state = DictionaryKey_or_ClosingBrace;
while (next_state != DictionaryDone) {
skipSpaces(jsondata);
c = *jsondata->ptr;
if (c == 0) {
PyErr_Format(JSON_DecodeError, "unterminated object starting at "
"position " SSIZE_T_F,
(Py_ssize_t)(start - jsondata->str));
goto failure;;
}
switch (next_state) {
case DictionaryKey_or_ClosingBrace:
if (c == '}') {
jsondata->ptr++;
next_state = DictionaryDone;
break;
}
case DictionaryKey:
if (c != '"') {
PyErr_Format(JSON_DecodeError, "expecting object property name "
"at position " SSIZE_T_F,
(Py_ssize_t)(jsondata->ptr - jsondata->str));
goto failure;
}
key = decode_json(jsondata);
if (key == NULL)
goto failure;
skipSpaces(jsondata);
if (*jsondata->ptr != ':') {
PyErr_Format(JSON_DecodeError, "missing colon after object "
"property name at position " SSIZE_T_F,
(Py_ssize_t)(jsondata->ptr - jsondata->str));
Py_DECREF(key);
goto failure;
} else {
jsondata->ptr++;
}
skipSpaces(jsondata);
if (*jsondata->ptr==',' || *jsondata->ptr=='}') {
PyErr_Format(JSON_DecodeError, "expecting object property "
"value at position " SSIZE_T_F,
(Py_ssize_t)(jsondata->ptr - jsondata->str));
Py_DECREF(key);
goto failure;
}
value = decode_json(jsondata);
if (value == NULL) {
Py_DECREF(key);
goto failure;
}
result = PyDict_SetItem(object, key, value);
Py_DECREF(key);
Py_DECREF(value);
if (result == -1)
goto failure;
next_state = Comma_or_ClosingBrace;
break;
case Comma_or_ClosingBrace:
if (c == '}') {
jsondata->ptr++;
next_state = DictionaryDone;
} else if (c == ',') {
jsondata->ptr++;
next_state = DictionaryKey;
} else {
PyErr_Format(JSON_DecodeError, "expecting ',' or '}' at "
"position " SSIZE_T_F,
(Py_ssize_t)(jsondata->ptr - jsondata->str));
goto failure;
}
break;
case DictionaryDone:
// this will never be reached, but keep compilers happy
break;
}
}
return object;
failure:
Py_DECREF(object);
return NULL;
}
static PyObject*
decode_array(JSONData *jsondata)
{
PyObject *object, *item;
ArrayState next_state;
int c, result;
char *start;
object = PyList_New(0);
start = jsondata->ptr;
jsondata->ptr++;
next_state = ArrayItem_or_ClosingBracket;
while (next_state != ArrayDone) {
skipSpaces(jsondata);
c = *jsondata->ptr;
if (c == 0) {
PyErr_Format(JSON_DecodeError, "unterminated array starting at "
"position " SSIZE_T_F,
(Py_ssize_t)(start - jsondata->str));
goto failure;
}
switch (next_state) {
case ArrayItem_or_ClosingBracket:
if (c == ']') {
jsondata->ptr++;
next_state = ArrayDone;
break;
}
case ArrayItem:
if (c==',' || c==']') {
PyErr_Format(JSON_DecodeError, "expecting array item at "
"position " SSIZE_T_F,
(Py_ssize_t)(jsondata->ptr - jsondata->str));
goto failure;
}
item = decode_json(jsondata);
if (item == NULL)
goto failure;
result = PyList_Append(object, item);
Py_DECREF(item);
if (result == -1)
goto failure;
next_state = Comma_or_ClosingBracket;
break;
case Comma_or_ClosingBracket:
if (c == ']') {
jsondata->ptr++;
next_state = ArrayDone;
} else if (c == ',') {
jsondata->ptr++;
next_state = ArrayItem;
} else {
PyErr_Format(JSON_DecodeError, "expecting ',' or ']' at "
"position " SSIZE_T_F,
(Py_ssize_t)(jsondata->ptr - jsondata->str));
goto failure;
}
break;
case ArrayDone:
// this will never be reached, but keep compilers happy
break;
}
}
return object;
failure:
Py_DECREF(object);
return NULL;
}
