-#include "Python.h"
-#include "structmember.h"
-#if PY_VERSION_HEX < 0x02060000 && !defined(Py_TYPE)
-#define Py_TYPE(ob) (((PyObject*)(ob))->ob_type)
-#endif
-#if PY_VERSION_HEX < 0x02050000 && !defined(PY_SSIZE_T_MIN)
-typedef int Py_ssize_t;
-#define PY_SSIZE_T_MAX INT_MAX
-#define PY_SSIZE_T_MIN INT_MIN
-#define PyInt_FromSsize_t PyInt_FromLong
-#define PyInt_AsSsize_t PyInt_AsLong
-#endif
-#ifndef Py_IS_FINITE
-#define Py_IS_FINITE(X) (!Py_IS_INFINITY(X) && !Py_IS_NAN(X))
-#endif
-
-#ifdef __GNUC__
-#define UNUSED __attribute__((__unused__))
-#else
-#define UNUSED
-#endif
-
-#define DEFAULT_ENCODING "utf-8"
-
-#define PyScanner_Check(op) PyObject_TypeCheck(op, &PyScannerType)
-#define PyScanner_CheckExact(op) (Py_TYPE(op) == &PyScannerType)
-#define PyEncoder_Check(op) PyObject_TypeCheck(op, &PyEncoderType)
-#define PyEncoder_CheckExact(op) (Py_TYPE(op) == &PyEncoderType)
-
-static PyTypeObject PyScannerType;
-static PyTypeObject PyEncoderType;
-
-typedef struct _PyScannerObject {
- PyObject_HEAD
- PyObject *encoding;
- PyObject *strict;
- PyObject *object_hook;
- PyObject *parse_float;
- PyObject *parse_int;
- PyObject *parse_constant;
-} PyScannerObject;
-
-static PyMemberDef scanner_members[] = {
- {"encoding", T_OBJECT, offsetof(PyScannerObject, encoding), READONLY, "encoding"},
- {"strict", T_OBJECT, offsetof(PyScannerObject, strict), READONLY, "strict"},
- {"object_hook", T_OBJECT, offsetof(PyScannerObject, object_hook), READONLY, "object_hook"},
- {"parse_float", T_OBJECT, offsetof(PyScannerObject, parse_float), READONLY, "parse_float"},
- {"parse_int", T_OBJECT, offsetof(PyScannerObject, parse_int), READONLY, "parse_int"},
- {"parse_constant", T_OBJECT, offsetof(PyScannerObject, parse_constant), READONLY, "parse_constant"},
- {NULL}
-};
-
-typedef struct _PyEncoderObject {
- PyObject_HEAD
- PyObject *markers;
- PyObject *defaultfn;
- PyObject *encoder;
- PyObject *indent;
- PyObject *key_separator;
- PyObject *item_separator;
- PyObject *sort_keys;
- PyObject *skipkeys;
- int fast_encode;
- int allow_nan;
-} PyEncoderObject;
-
-static PyMemberDef encoder_members[] = {
- {"markers", T_OBJECT, offsetof(PyEncoderObject, markers), READONLY, "markers"},
- {"default", T_OBJECT, offsetof(PyEncoderObject, defaultfn), READONLY, "default"},
- {"encoder", T_OBJECT, offsetof(PyEncoderObject, encoder), READONLY, "encoder"},
- {"indent", T_OBJECT, offsetof(PyEncoderObject, indent), READONLY, "indent"},
- {"key_separator", T_OBJECT, offsetof(PyEncoderObject, key_separator), READONLY, "key_separator"},
- {"item_separator", T_OBJECT, offsetof(PyEncoderObject, item_separator), READONLY, "item_separator"},
- {"sort_keys", T_OBJECT, offsetof(PyEncoderObject, sort_keys), READONLY, "sort_keys"},
- {"skipkeys", T_OBJECT, offsetof(PyEncoderObject, skipkeys), READONLY, "skipkeys"},
- {NULL}
-};
-
-static Py_ssize_t
-ascii_escape_char(Py_UNICODE c, char *output, Py_ssize_t chars);
-static PyObject *
-ascii_escape_unicode(PyObject *pystr);
-static PyObject *
-ascii_escape_str(PyObject *pystr);
-static PyObject *
-py_encode_basestring_ascii(PyObject* self UNUSED, PyObject *pystr);
-void init_speedups(void);
-static PyObject *
-scan_once_str(PyScannerObject *s, PyObject *pystr, Py_ssize_t idx, Py_ssize_t *next_idx_ptr);
-static PyObject *
-scan_once_unicode(PyScannerObject *s, PyObject *pystr, Py_ssize_t idx, Py_ssize_t *next_idx_ptr);
-static PyObject *
-_build_rval_index_tuple(PyObject *rval, Py_ssize_t idx);
-static PyObject *
-scanner_new(PyTypeObject *type, PyObject *args, PyObject *kwds);
-static int
-scanner_init(PyObject *self, PyObject *args, PyObject *kwds);
-static void
-scanner_dealloc(PyObject *self);
-static int
-scanner_clear(PyObject *self);
-static PyObject *
-encoder_new(PyTypeObject *type, PyObject *args, PyObject *kwds);
-static int
-encoder_init(PyObject *self, PyObject *args, PyObject *kwds);
-static void
-encoder_dealloc(PyObject *self);
-static int
-encoder_clear(PyObject *self);
-static int
-encoder_listencode_list(PyEncoderObject *s, PyObject *rval, PyObject *seq, Py_ssize_t indent_level);
-static int
-encoder_listencode_obj(PyEncoderObject *s, PyObject *rval, PyObject *obj, Py_ssize_t indent_level);
-static int
-encoder_listencode_dict(PyEncoderObject *s, PyObject *rval, PyObject *dct, Py_ssize_t indent_level);
-static PyObject *
-_encoded_const(PyObject *const);
-static void
-raise_errmsg(char *msg, PyObject *s, Py_ssize_t end);
-static PyObject *
-encoder_encode_string(PyEncoderObject *s, PyObject *obj);
-static int
-_convertPyInt_AsSsize_t(PyObject *o, Py_ssize_t *size_ptr);
-static PyObject *
-_convertPyInt_FromSsize_t(Py_ssize_t *size_ptr);
-static PyObject *
-encoder_encode_float(PyEncoderObject *s, PyObject *obj);
-
-#define S_CHAR(c) (c >= ' ' && c <= '~' && c != '\\' && c != '"')
-#define IS_WHITESPACE(c) (((c) == ' ') || ((c) == '\t') || ((c) == '\n') || ((c) == '\r'))
-
-#define MIN_EXPANSION 6
-#ifdef Py_UNICODE_WIDE
-#define MAX_EXPANSION (2 * MIN_EXPANSION)
-#else
-#define MAX_EXPANSION MIN_EXPANSION
-#endif
-
-static int
-_convertPyInt_AsSsize_t(PyObject *o, Py_ssize_t *size_ptr)
-{
- /* PyObject to Py_ssize_t converter */
- *size_ptr = PyInt_AsSsize_t(o);
- if (*size_ptr == -1 && PyErr_Occurred());
- return 1;
- return 0;
-}
-
-static PyObject *
-_convertPyInt_FromSsize_t(Py_ssize_t *size_ptr)
-{
- /* Py_ssize_t to PyObject converter */
- return PyInt_FromSsize_t(*size_ptr);
-}
-
-static Py_ssize_t
-ascii_escape_char(Py_UNICODE c, char *output, Py_ssize_t chars)
-{
- /* Escape unicode code point c to ASCII escape sequences
- in char *output. output must have at least 12 bytes unused to
- accommodate an escaped surrogate pair "\uXXXX\uXXXX" */
- output[chars++] = '\\';
- switch (c) {
- case '\\': output[chars++] = (char)c; break;
- case '"': output[chars++] = (char)c; break;
- case '\b': output[chars++] = 'b'; break;
- case '\f': output[chars++] = 'f'; break;
- case '\n': output[chars++] = 'n'; break;
- case '\r': output[chars++] = 'r'; break;
- case '\t': output[chars++] = 't'; break;
- default:
-#ifdef Py_UNICODE_WIDE
- if (c >= 0x10000) {
- /* UTF-16 surrogate pair */
- Py_UNICODE v = c - 0x10000;
- c = 0xd800 | ((v >> 10) & 0x3ff);
- output[chars++] = 'u';
- output[chars++] = "0123456789abcdef"[(c >> 12) & 0xf];
- output[chars++] = "0123456789abcdef"[(c >> 8) & 0xf];
- output[chars++] = "0123456789abcdef"[(c >> 4) & 0xf];
- output[chars++] = "0123456789abcdef"[(c ) & 0xf];
- c = 0xdc00 | (v & 0x3ff);
- output[chars++] = '\\';
- }
-#endif
- output[chars++] = 'u';
- output[chars++] = "0123456789abcdef"[(c >> 12) & 0xf];
- output[chars++] = "0123456789abcdef"[(c >> 8) & 0xf];
- output[chars++] = "0123456789abcdef"[(c >> 4) & 0xf];
- output[chars++] = "0123456789abcdef"[(c ) & 0xf];
- }
- return chars;
-}
-
-static PyObject *
-ascii_escape_unicode(PyObject *pystr)
-{
- /* Take a PyUnicode pystr and return a new ASCII-only escaped PyString */
- Py_ssize_t i;
- Py_ssize_t input_chars;
- Py_ssize_t output_size;
- Py_ssize_t max_output_size;
- Py_ssize_t chars;
- PyObject *rval;
- char *output;
- Py_UNICODE *input_unicode;
-
- input_chars = PyUnicode_GET_SIZE(pystr);
- input_unicode = PyUnicode_AS_UNICODE(pystr);
-
- /* One char input can be up to 6 chars output, estimate 4 of these */
- output_size = 2 + (MIN_EXPANSION * 4) + input_chars;
- max_output_size = 2 + (input_chars * MAX_EXPANSION);
- rval = PyString_FromStringAndSize(NULL, output_size);
- if (rval == NULL) {
- return NULL;
- }
- output = PyString_AS_STRING(rval);
- chars = 0;
- output[chars++] = '"';
- for (i = 0; i < input_chars; i++) {
- Py_UNICODE c = input_unicode[i];
- if (S_CHAR(c)) {
- output[chars++] = (char)c;
- }
- else {
- chars = ascii_escape_char(c, output, chars);
- }
- if (output_size - chars < (1 + MAX_EXPANSION)) {
- /* There's more than four, so let's resize by a lot */
- Py_ssize_t new_output_size = output_size * 2;
- /* This is an upper bound */
- if (new_output_size > max_output_size) {
- new_output_size = max_output_size;
- }
- /* Make sure that the output size changed before resizing */
- if (new_output_size != output_size) {
- output_size = new_output_size;
- if (_PyString_Resize(&rval, output_size) == -1) {
- return NULL;
- }
- output = PyString_AS_STRING(rval);
- }
- }
- }
- output[chars++] = '"';
- if (_PyString_Resize(&rval, chars) == -1) {
- return NULL;
- }
- return rval;
-}
-
-static PyObject *
-ascii_escape_str(PyObject *pystr)
-{
- /* Take a PyString pystr and return a new ASCII-only escaped PyString */
- Py_ssize_t i;
- Py_ssize_t input_chars;
- Py_ssize_t output_size;
- Py_ssize_t chars;
- PyObject *rval;
- char *output;
- char *input_str;
-
- input_chars = PyString_GET_SIZE(pystr);
- input_str = PyString_AS_STRING(pystr);
-
- /* Fast path for a string that's already ASCII */
- for (i = 0; i < input_chars; i++) {
- Py_UNICODE c = (Py_UNICODE)(unsigned char)input_str[i];
- if (!S_CHAR(c)) {
- /* If we have to escape something, scan the string for unicode */
- Py_ssize_t j;
- for (j = i; j < input_chars; j++) {
- c = (Py_UNICODE)(unsigned char)input_str[j];
- if (c > 0x7f) {
- /* We hit a non-ASCII character, bail to unicode mode */
- PyObject *uni;
- uni = PyUnicode_DecodeUTF8(input_str, input_chars, "strict");
- if (uni == NULL) {
- return NULL;
- }
- rval = ascii_escape_unicode(uni);
- Py_DECREF(uni);
- return rval;
- }
- }
- break;
- }
- }
-
- if (i == input_chars) {
- /* Input is already ASCII */
- output_size = 2 + input_chars;
- }
- else {
- /* One char input can be up to 6 chars output, estimate 4 of these */
- output_size = 2 + (MIN_EXPANSION * 4) + input_chars;
- }
- rval = PyString_FromStringAndSize(NULL, output_size);
- if (rval == NULL) {
- return NULL;
- }
- output = PyString_AS_STRING(rval);
- output[0] = '"';
-
- /* We know that everything up to i is ASCII already */
- chars = i + 1;
- memcpy(&output[1], input_str, i);
-
- for (; i < input_chars; i++) {
- Py_UNICODE c = (Py_UNICODE)(unsigned char)input_str[i];
- if (S_CHAR(c)) {
- output[chars++] = (char)c;
- }
- else {
- chars = ascii_escape_char(c, output, chars);
- }
- /* An ASCII char can't possibly expand to a surrogate! */
- if (output_size - chars < (1 + MIN_EXPANSION)) {
- /* There's more than four, so let's resize by a lot */
- output_size *= 2;
- if (output_size > 2 + (input_chars * MIN_EXPANSION)) {
- output_size = 2 + (input_chars * MIN_EXPANSION);
- }
- if (_PyString_Resize(&rval, output_size) == -1) {
- return NULL;
- }
- output = PyString_AS_STRING(rval);
- }
- }
- output[chars++] = '"';
- if (_PyString_Resize(&rval, chars) == -1) {
- return NULL;
- }
- return rval;
-}
-
-static void
-raise_errmsg(char *msg, PyObject *s, Py_ssize_t end)
-{
- /* Use the Python function simplejson.decoder.errmsg to raise a nice
- looking ValueError exception */
- static PyObject *errmsg_fn = NULL;
- PyObject *pymsg;
- if (errmsg_fn == NULL) {
- PyObject *decoder = PyImport_ImportModule("simplejson.decoder");
- if (decoder == NULL)
- return;
- errmsg_fn = PyObject_GetAttrString(decoder, "errmsg");
- Py_DECREF(decoder);
- if (errmsg_fn == NULL)
- return;
- }
- pymsg = PyObject_CallFunction(errmsg_fn, "(zOO&)", msg, s, _convertPyInt_FromSsize_t, &end);
- if (pymsg) {
- PyErr_SetObject(PyExc_ValueError, pymsg);
- Py_DECREF(pymsg);
- }
-}
-
-static PyObject *
-join_list_unicode(PyObject *lst)
-{
- /* return u''.join(lst) */
- static PyObject *joinfn = NULL;
- if (joinfn == NULL) {
- PyObject *ustr = PyUnicode_FromUnicode(NULL, 0);
- if (ustr == NULL)
- return NULL;
-
- joinfn = PyObject_GetAttrString(ustr, "join");
- Py_DECREF(ustr);
- if (joinfn == NULL)
- return NULL;
- }
- return PyObject_CallFunctionObjArgs(joinfn, lst, NULL);
-}
-
-static PyObject *
-join_list_string(PyObject *lst)
-{
- /* return ''.join(lst) */
- static PyObject *joinfn = NULL;
- if (joinfn == NULL) {
- PyObject *ustr = PyString_FromStringAndSize(NULL, 0);
- if (ustr == NULL)
- return NULL;
-
- joinfn = PyObject_GetAttrString(ustr, "join");
- Py_DECREF(ustr);
- if (joinfn == NULL)
- return NULL;
- }
- return PyObject_CallFunctionObjArgs(joinfn, lst, NULL);
-}
-
-static PyObject *
-_build_rval_index_tuple(PyObject *rval, Py_ssize_t idx) {
- /* return (rval, idx) tuple, stealing reference to rval */
- PyObject *tpl;
- PyObject *pyidx;
- /*
- steal a reference to rval, returns (rval, idx)
- */
- if (rval == NULL) {
- return NULL;
- }
- pyidx = PyInt_FromSsize_t(idx);
- if (pyidx == NULL) {
- Py_DECREF(rval);
- return NULL;
- }
- tpl = PyTuple_New(2);
- if (tpl == NULL) {
- Py_DECREF(pyidx);
- Py_DECREF(rval);
- return NULL;
- }
- PyTuple_SET_ITEM(tpl, 0, rval);
- PyTuple_SET_ITEM(tpl, 1, pyidx);
- return tpl;
-}
-
-static PyObject *
-scanstring_str(PyObject *pystr, Py_ssize_t end, char *encoding, int strict, Py_ssize_t *next_end_ptr)
-{
- /* Read the JSON string from PyString pystr.
- end is the index of the first character after the quote.
- encoding is the encoding of pystr (must be an ASCII superset)
- if strict is zero then literal control characters are allowed
- *next_end_ptr is a return-by-reference index of the character
- after the end quote
-
- Return value is a new PyString (if ASCII-only) or PyUnicode
- */
- PyObject *rval;
- Py_ssize_t len = PyString_GET_SIZE(pystr);
- Py_ssize_t begin = end - 1;
- Py_ssize_t next = begin;
- int has_unicode = 0;
- char *buf = PyString_AS_STRING(pystr);
- PyObject *chunks = PyList_New(0);
- if (chunks == NULL) {
- goto bail;
- }
- if (end < 0 || len <= end) {
- PyErr_SetString(PyExc_ValueError, "end is out of bounds");
- goto bail;
- }
- while (1) {
- /* Find the end of the string or the next escape */
- Py_UNICODE c = 0;
- PyObject *chunk = NULL;
- for (next = end; next < len; next++) {
- c = (unsigned char)buf[next];
- if (c == '"' || c == '\\') {
- break;
- }
- else if (strict && c <= 0x1f) {
- raise_errmsg("Invalid control character at", pystr, next);
- goto bail;
- }
- else if (c > 0x7f) {
- has_unicode = 1;
- }
- }
- if (!(c == '"' || c == '\\')) {
- raise_errmsg("Unterminated string starting at", pystr, begin);
- goto bail;
- }
- /* Pick up this chunk if it's not zero length */
- if (next != end) {
- PyObject *strchunk = PyString_FromStringAndSize(&buf[end], next - end);
- if (strchunk == NULL) {
- goto bail;
- }
- if (has_unicode) {
- chunk = PyUnicode_FromEncodedObject(strchunk, encoding, NULL);
- Py_DECREF(strchunk);
- if (chunk == NULL) {
- goto bail;
- }
- }
- else {
- chunk = strchunk;
- }
- if (PyList_Append(chunks, chunk)) {
- Py_DECREF(chunk);
- goto bail;
- }
- Py_DECREF(chunk);
- }
- next++;
- if (c == '"') {
- end = next;
- break;
- }
- if (next == len) {
- raise_errmsg("Unterminated string starting at", pystr, begin);
- goto bail;
- }
- c = buf[next];
- if (c != 'u') {
- /* Non-unicode backslash escapes */
- end = next + 1;
- switch (c) {
- case '"': break;
- case '\\': break;
- case '/': break;
- case 'b': c = '\b'; break;
- case 'f': c = '\f'; break;
- case 'n': c = '\n'; break;
- case 'r': c = '\r'; break;
- case 't': c = '\t'; break;
- default: c = 0;
- }
- if (c == 0) {
- raise_errmsg("Invalid \\escape", pystr, end - 2);
- goto bail;
- }
- }
- else {
- c = 0;
- next++;
- end = next + 4;
- if (end >= len) {
- raise_errmsg("Invalid \\uXXXX escape", pystr, next - 1);
- goto bail;
- }
- /* Decode 4 hex digits */
- for (; next < end; next++) {
- Py_UNICODE digit = buf[next];
- c <<= 4;
- switch (digit) {
- case '0': case '1': case '2': case '3': case '4':
- case '5': case '6': case '7': case '8': case '9':
- c |= (digit - '0'); break;
- case 'a': case 'b': case 'c': case 'd': case 'e':
- case 'f':
- c |= (digit - 'a' + 10); break;
- case 'A': case 'B': case 'C': case 'D': case 'E':
- case 'F':
- c |= (digit - 'A' + 10); break;
- default:
- raise_errmsg("Invalid \\uXXXX escape", pystr, end - 5);
- goto bail;
- }
- }
-#ifdef Py_UNICODE_WIDE
- /* Surrogate pair */
- if ((c & 0xfc00) == 0xd800) {
- Py_UNICODE c2 = 0;
- if (end + 6 >= len) {
- raise_errmsg("Unpaired high surrogate", pystr, end - 5);
- goto bail;
- }
- if (buf[next++] != '\\' || buf[next++] != 'u') {
- raise_errmsg("Unpaired high surrogate", pystr, end - 5);
- goto bail;
- }
- end += 6;
- /* Decode 4 hex digits */
- for (; next < end; next++) {
- c2 <<= 4;
- Py_UNICODE digit = buf[next];
- switch (digit) {
- case '0': case '1': case '2': case '3': case '4':
- case '5': case '6': case '7': case '8': case '9':
- c2 |= (digit - '0'); break;
- case 'a': case 'b': case 'c': case 'd': case 'e':
- case 'f':
- c2 |= (digit - 'a' + 10); break;
- case 'A': case 'B': case 'C': case 'D': case 'E':
- case 'F':
- c2 |= (digit - 'A' + 10); break;
- default:
- raise_errmsg("Invalid \\uXXXX escape", pystr, end - 5);
- goto bail;
- }
- }
- if ((c2 & 0xfc00) != 0xdc00) {
- raise_errmsg("Unpaired high surrogate", pystr, end - 5);
- goto bail;
- }
- c = 0x10000 + (((c - 0xd800) << 10) | (c2 - 0xdc00));
- }
- else if ((c & 0xfc00) == 0xdc00) {
- raise_errmsg("Unpaired low surrogate", pystr, end - 5);
- goto bail;
- }
-#endif
- }
- if (c > 0x7f) {
- has_unicode = 1;
- }
- if (has_unicode) {
- chunk = PyUnicode_FromUnicode(&c, 1);
- if (chunk == NULL) {
- goto bail;
- }
- }
- else {
- char c_char = Py_CHARMASK(c);
- chunk = PyString_FromStringAndSize(&c_char, 1);
- if (chunk == NULL) {
- goto bail;
- }
- }
- if (PyList_Append(chunks, chunk)) {
- Py_DECREF(chunk);
- goto bail;
- }
- Py_DECREF(chunk);
- }
-
- rval = join_list_string(chunks);
- if (rval == NULL) {
- goto bail;
- }
- Py_CLEAR(chunks);
- *next_end_ptr = end;
- return rval;
-bail:
- *next_end_ptr = -1;
- Py_XDECREF(chunks);
- return NULL;
-}
-
-
-static PyObject *
-scanstring_unicode(PyObject *pystr, Py_ssize_t end, int strict, Py_ssize_t *next_end_ptr)
-{
- /* Read the JSON string from PyUnicode pystr.
- end is the index of the first character after the quote.
- if strict is zero then literal control characters are allowed
- *next_end_ptr is a return-by-reference index of the character
- after the end quote
-
- Return value is a new PyUnicode
- */
- PyObject *rval;
- Py_ssize_t len = PyUnicode_GET_SIZE(pystr);
- Py_ssize_t begin = end - 1;
- Py_ssize_t next = begin;
- const Py_UNICODE *buf = PyUnicode_AS_UNICODE(pystr);
- PyObject *chunks = PyList_New(0);
- if (chunks == NULL) {
- goto bail;
- }
- if (end < 0 || len <= end) {
- PyErr_SetString(PyExc_ValueError, "end is out of bounds");
- goto bail;
- }
- while (1) {
- /* Find the end of the string or the next escape */
- Py_UNICODE c = 0;
- PyObject *chunk = NULL;
- for (next = end; next < len; next++) {
- c = buf[next];
- if (c == '"' || c == '\\') {
- break;
- }
- else if (strict && c <= 0x1f) {
- raise_errmsg("Invalid control character at", pystr, next);
- goto bail;
- }
- }
- if (!(c == '"' || c == '\\')) {
- raise_errmsg("Unterminated string starting at", pystr, begin);
- goto bail;
- }
- /* Pick up this chunk if it's not zero length */
- if (next != end) {
- chunk = PyUnicode_FromUnicode(&buf[end], next - end);
- if (chunk == NULL) {
- goto bail;
- }
- if (PyList_Append(chunks, chunk)) {
- Py_DECREF(chunk);
- goto bail;
- }
- Py_DECREF(chunk);
- }
- next++;
- if (c == '"') {
- end = next;
- break;
- }
- if (next == len) {
- raise_errmsg("Unterminated string starting at", pystr, begin);
- goto bail;
- }
- c = buf[next];
- if (c != 'u') {
- /* Non-unicode backslash escapes */
- end = next + 1;
- switch (c) {
- case '"': break;
- case '\\': break;
- case '/': break;
- case 'b': c = '\b'; break;
- case 'f': c = '\f'; break;
- case 'n': c = '\n'; break;
- case 'r': c = '\r'; break;
- case 't': c = '\t'; break;
- default: c = 0;
- }
- if (c == 0) {
- raise_errmsg("Invalid \\escape", pystr, end - 2);
- goto bail;
- }
- }
- else {
- c = 0;
- next++;
- end = next + 4;
- if (end >= len) {
- raise_errmsg("Invalid \\uXXXX escape", pystr, next - 1);
- goto bail;
- }
- /* Decode 4 hex digits */
- for (; next < end; next++) {
- Py_UNICODE digit = buf[next];
- c <<= 4;
- switch (digit) {
- case '0': case '1': case '2': case '3': case '4':
- case '5': case '6': case '7': case '8': case '9':
- c |= (digit - '0'); break;
- case 'a': case 'b': case 'c': case 'd': case 'e':
- case 'f':
- c |= (digit - 'a' + 10); break;
- case 'A': case 'B': case 'C': case 'D': case 'E':
- case 'F':
- c |= (digit - 'A' + 10); break;
- default:
- raise_errmsg("Invalid \\uXXXX escape", pystr, end - 5);
- goto bail;
- }
- }
-#ifdef Py_UNICODE_WIDE
- /* Surrogate pair */
- if ((c & 0xfc00) == 0xd800) {
- Py_UNICODE c2 = 0;
- if (end + 6 >= len) {
- raise_errmsg("Unpaired high surrogate", pystr, end - 5);
- goto bail;
- }
- if (buf[next++] != '\\' || buf[next++] != 'u') {
- raise_errmsg("Unpaired high surrogate", pystr, end - 5);
- goto bail;
- }
- end += 6;
- /* Decode 4 hex digits */
- for (; next < end; next++) {
- c2 <<= 4;
- Py_UNICODE digit = buf[next];
- switch (digit) {
- case '0': case '1': case '2': case '3': case '4':
- case '5': case '6': case '7': case '8': case '9':
- c2 |= (digit - '0'); break;
- case 'a': case 'b': case 'c': case 'd': case 'e':
- case 'f':
- c2 |= (digit - 'a' + 10); break;
- case 'A': case 'B': case 'C': case 'D': case 'E':
- case 'F':
- c2 |= (digit - 'A' + 10); break;
- default:
- raise_errmsg("Invalid \\uXXXX escape", pystr, end - 5);
- goto bail;
- }
- }
- if ((c2 & 0xfc00) != 0xdc00) {
- raise_errmsg("Unpaired high surrogate", pystr, end - 5);
- goto bail;
- }
- c = 0x10000 + (((c - 0xd800) << 10) | (c2 - 0xdc00));
- }
- else if ((c & 0xfc00) == 0xdc00) {
- raise_errmsg("Unpaired low surrogate", pystr, end - 5);
- goto bail;
- }
-#endif
- }
- chunk = PyUnicode_FromUnicode(&c, 1);
- if (chunk == NULL) {
- goto bail;
- }
- if (PyList_Append(chunks, chunk)) {
- Py_DECREF(chunk);
- goto bail;
- }
- Py_DECREF(chunk);
- }
-
- rval = join_list_unicode(chunks);
- if (rval == NULL) {
- goto bail;
- }
- Py_DECREF(chunks);
- *next_end_ptr = end;
- return rval;
-bail:
- *next_end_ptr = -1;
- Py_XDECREF(chunks);
- return NULL;
-}
-
-PyDoc_STRVAR(pydoc_scanstring,
- "scanstring(basestring, end, encoding, strict=True) -> (str, end)\n"
- "\n"
- "Scan the string s for a JSON string. End is the index of the\n"
- "character in s after the quote that started the JSON string.\n"
- "Unescapes all valid JSON string escape sequences and raises ValueError\n"
- "on attempt to decode an invalid string. If strict is False then literal\n"
- "control characters are allowed in the string.\n"
- "\n"
- "Returns a tuple of the decoded string and the index of the character in s\n"
- "after the end quote."
-);
-
-static PyObject *
-py_scanstring(PyObject* self UNUSED, PyObject *args)
-{
- PyObject *pystr;
- PyObject *rval;
- Py_ssize_t end;
- Py_ssize_t next_end = -1;
- char *encoding = NULL;
- int strict = 1;
- if (!PyArg_ParseTuple(args, "OO&|zi:scanstring", &pystr, _convertPyInt_AsSsize_t, &end, &encoding, &strict)) {
- return NULL;
- }
- if (encoding == NULL) {
- encoding = DEFAULT_ENCODING;
- }
- if (PyString_Check(pystr)) {
- rval = scanstring_str(pystr, end, encoding, strict, &next_end);
- }
- else if (PyUnicode_Check(pystr)) {
- rval = scanstring_unicode(pystr, end, strict, &next_end);
- }
- else {
- PyErr_Format(PyExc_TypeError,
- "first argument must be a string, not %.80s",
- Py_TYPE(pystr)->tp_name);
- return NULL;
- }
- return _build_rval_index_tuple(rval, next_end);
-}
-
-PyDoc_STRVAR(pydoc_encode_basestring_ascii,
- "encode_basestring_ascii(basestring) -> str\n"
- "\n"
- "Return an ASCII-only JSON representation of a Python string"
-);
-
-static PyObject *
-py_encode_basestring_ascii(PyObject* self UNUSED, PyObject *pystr)
-{
- /* Return an ASCII-only JSON representation of a Python string */
- /* METH_O */
- if (PyString_Check(pystr)) {
- return ascii_escape_str(pystr);
- }
- else if (PyUnicode_Check(pystr)) {
- return ascii_escape_unicode(pystr);
- }
- else {
- PyErr_Format(PyExc_TypeError,
- "first argument must be a string, not %.80s",
- Py_TYPE(pystr)->tp_name);
- return NULL;
- }
-}
-
-static void
-scanner_dealloc(PyObject *self)
-{
- /* Deallocate scanner object */
- scanner_clear(self);
- Py_TYPE(self)->tp_free(self);
-}
-
-static int
-scanner_traverse(PyObject *self, visitproc visit, void *arg)
-{
- PyScannerObject *s;
- assert(PyScanner_Check(self));
- s = (PyScannerObject *)self;
- Py_VISIT(s->encoding);
- Py_VISIT(s->strict);
- Py_VISIT(s->object_hook);
- Py_VISIT(s->parse_float);
- Py_VISIT(s->parse_int);
- Py_VISIT(s->parse_constant);
- return 0;
-}
-
-static int
-scanner_clear(PyObject *self)
-{
- PyScannerObject *s;
- assert(PyScanner_Check(self));
- s = (PyScannerObject *)self;
- Py_CLEAR(s->encoding);
- Py_CLEAR(s->strict);
- Py_CLEAR(s->object_hook);
- Py_CLEAR(s->parse_float);
- Py_CLEAR(s->parse_int);
- Py_CLEAR(s->parse_constant);
- return 0;
-}
-
-static PyObject *
-_parse_object_str(PyScannerObject *s, PyObject *pystr, Py_ssize_t idx, Py_ssize_t *next_idx_ptr) {
- /* Read a JSON object from PyString pystr.
- idx is the index of the first character after the opening curly brace.
- *next_idx_ptr is a return-by-reference index to the first character after
- the closing curly brace.
-
- Returns a new PyObject (usually a dict, but object_hook can change that)
- */
- char *str = PyString_AS_STRING(pystr);
- Py_ssize_t end_idx = PyString_GET_SIZE(pystr) - 1;
- PyObject *rval = PyDict_New();
- PyObject *key = NULL;
- PyObject *val = NULL;
- char *encoding = PyString_AS_STRING(s->encoding);
- int strict = PyObject_IsTrue(s->strict);
- Py_ssize_t next_idx;
- if (rval == NULL)
- return NULL;
-
- /* skip whitespace after { */
- while (idx <= end_idx && IS_WHITESPACE(str[idx])) idx++;
-
- /* only loop if the object is non-empty */
- if (idx <= end_idx && str[idx] != '}') {
- while (idx <= end_idx) {
- /* read key */
- if (str[idx] != '"') {
- raise_errmsg("Expecting property name", pystr, idx);
- goto bail;
- }
- key = scanstring_str(pystr, idx + 1, encoding, strict, &next_idx);
- if (key == NULL)
- goto bail;
- idx = next_idx;
-
- /* skip whitespace between key and : delimiter, read :, skip whitespace */
- while (idx <= end_idx && IS_WHITESPACE(str[idx])) idx++;
- if (idx > end_idx || str[idx] != ':') {
- raise_errmsg("Expecting : delimiter", pystr, idx);
- goto bail;
- }
- idx++;
- while (idx <= end_idx && IS_WHITESPACE(str[idx])) idx++;
-
- /* read any JSON data type */
- val = scan_once_str(s, pystr, idx, &next_idx);
- if (val == NULL)
- goto bail;
-
- if (PyDict_SetItem(rval, key, val) == -1)
- goto bail;
-
- Py_CLEAR(key);
- Py_CLEAR(val);
- idx = next_idx;
-
- /* skip whitespace before } or , */
- while (idx <= end_idx && IS_WHITESPACE(str[idx])) idx++;
-
- /* bail if the object is closed or we didn't get the , delimiter */
- if (idx > end_idx) break;
- if (str[idx] == '}') {
- break;
- }
- else if (str[idx] != ',') {
- raise_errmsg("Expecting , delimiter", pystr, idx);
- goto bail;
- }
- idx++;
-
- /* skip whitespace after , delimiter */
- while (idx <= end_idx && IS_WHITESPACE(str[idx])) idx++;
- }
- }
- /* verify that idx < end_idx, str[idx] should be '}' */
- if (idx > end_idx || str[idx] != '}') {
- raise_errmsg("Expecting object", pystr, end_idx);
- goto bail;
- }
- /* if object_hook is not None: rval = object_hook(rval) */
- if (s->object_hook != Py_None) {
- val = PyObject_CallFunctionObjArgs(s->object_hook, rval, NULL);
- if (val == NULL)
- goto bail;
- Py_DECREF(rval);
- rval = val;
- val = NULL;
- }
- *next_idx_ptr = idx + 1;
- return rval;
-bail:
- Py_XDECREF(key);
- Py_XDECREF(val);
- Py_DECREF(rval);
- return NULL;
-}
-
-static PyObject *
-_parse_object_unicode(PyScannerObject *s, PyObject *pystr, Py_ssize_t idx, Py_ssize_t *next_idx_ptr) {
- /* Read a JSON object from PyUnicode pystr.
- idx is the index of the first character after the opening curly brace.
- *next_idx_ptr is a return-by-reference index to the first character after
- the closing curly brace.
-
- Returns a new PyObject (usually a dict, but object_hook can change that)
- */
- Py_UNICODE *str = PyUnicode_AS_UNICODE(pystr);
- Py_ssize_t end_idx = PyUnicode_GET_SIZE(pystr) - 1;
- PyObject *val = NULL;
- PyObject *rval = PyDict_New();
- PyObject *key = NULL;
- int strict = PyObject_IsTrue(s->strict);
- Py_ssize_t next_idx;
- if (rval == NULL)
- return NULL;
-
- /* skip whitespace after { */
- while (idx <= end_idx && IS_WHITESPACE(str[idx])) idx++;
-
- /* only loop if the object is non-empty */
- if (idx <= end_idx && str[idx] != '}') {
- while (idx <= end_idx) {
- /* read key */
- if (str[idx] != '"') {
- raise_errmsg("Expecting property name", pystr, idx);
- goto bail;
- }
- key = scanstring_unicode(pystr, idx + 1, strict, &next_idx);
- if (key == NULL)
- goto bail;
- idx = next_idx;
-
- /* skip whitespace between key and : delimiter, read :, skip whitespace */
- while (idx <= end_idx && IS_WHITESPACE(str[idx])) idx++;
- if (idx > end_idx || str[idx] != ':') {
- raise_errmsg("Expecting : delimiter", pystr, idx);
- goto bail;
- }
- idx++;
- while (idx <= end_idx && IS_WHITESPACE(str[idx])) idx++;
-
- /* read any JSON term */
- val = scan_once_unicode(s, pystr, idx, &next_idx);
- if (val == NULL)
- goto bail;
-
- if (PyDict_SetItem(rval, key, val) == -1)
- goto bail;
-
- Py_CLEAR(key);
- Py_CLEAR(val);
- idx = next_idx;
-
- /* skip whitespace before } or , */
- while (idx <= end_idx && IS_WHITESPACE(str[idx])) idx++;
-
- /* bail if the object is closed or we didn't get the , delimiter */
- if (idx > end_idx) break;
- if (str[idx] == '}') {
- break;
- }
- else if (str[idx] != ',') {
- raise_errmsg("Expecting , delimiter", pystr, idx);
- goto bail;
- }
- idx++;
-
- /* skip whitespace after , delimiter */
- while (idx <= end_idx && IS_WHITESPACE(str[idx])) idx++;
- }
- }
-
- /* verify that idx < end_idx, str[idx] should be '}' */
- if (idx > end_idx || str[idx] != '}') {
- raise_errmsg("Expecting object", pystr, end_idx);
- goto bail;
- }
-
- /* if object_hook is not None: rval = object_hook(rval) */
- if (s->object_hook != Py_None) {
- val = PyObject_CallFunctionObjArgs(s->object_hook, rval, NULL);
- if (val == NULL)
- goto bail;
- Py_DECREF(rval);
- rval = val;
- val = NULL;
- }
- *next_idx_ptr = idx + 1;
- return rval;
-bail:
- Py_XDECREF(key);
- Py_XDECREF(val);
- Py_DECREF(rval);
- return NULL;
-}
-
-static PyObject *
-_parse_array_str(PyScannerObject *s, PyObject *pystr, Py_ssize_t idx, Py_ssize_t *next_idx_ptr) {
- /* Read a JSON array from PyString pystr.
- idx is the index of the first character after the opening brace.
- *next_idx_ptr is a return-by-reference index to the first character after
- the closing brace.
-
- Returns a new PyList
- */
- char *str = PyString_AS_STRING(pystr);
- Py_ssize_t end_idx = PyString_GET_SIZE(pystr) - 1;
- PyObject *val = NULL;
- PyObject *rval = PyList_New(0);
- Py_ssize_t next_idx;
- if (rval == NULL)
- return NULL;
-
- /* skip whitespace after [ */
- while (idx <= end_idx && IS_WHITESPACE(str[idx])) idx++;
-
- /* only loop if the array is non-empty */
- if (idx <= end_idx && str[idx] != ']') {
- while (idx <= end_idx) {
-
- /* read any JSON term and de-tuplefy the (rval, idx) */
- val = scan_once_str(s, pystr, idx, &next_idx);
- if (val == NULL)
- goto bail;
-
- if (PyList_Append(rval, val) == -1)
- goto bail;
-
- Py_CLEAR(val);
- idx = next_idx;
-
- /* skip whitespace between term and , */
- while (idx <= end_idx && IS_WHITESPACE(str[idx])) idx++;
-
- /* bail if the array is closed or we didn't get the , delimiter */
- if (idx > end_idx) break;
- if (str[idx] == ']') {
- break;
- }
- else if (str[idx] != ',') {
- raise_errmsg("Expecting , delimiter", pystr, idx);
- goto bail;
- }
- idx++;
-
- /* skip whitespace after , */
- while (idx <= end_idx && IS_WHITESPACE(str[idx])) idx++;
- }
- }
-
- /* verify that idx < end_idx, str[idx] should be ']' */
- if (idx > end_idx || str[idx] != ']') {
- raise_errmsg("Expecting object", pystr, end_idx);
- goto bail;
- }
- *next_idx_ptr = idx + 1;
- return rval;
-bail:
- Py_XDECREF(val);
- Py_DECREF(rval);
- return NULL;
-}
-
-static PyObject *
-_parse_array_unicode(PyScannerObject *s, PyObject *pystr, Py_ssize_t idx, Py_ssize_t *next_idx_ptr) {
- /* Read a JSON array from PyString pystr.
- idx is the index of the first character after the opening brace.
- *next_idx_ptr is a return-by-reference index to the first character after
- the closing brace.
-
- Returns a new PyList
- */
- Py_UNICODE *str = PyUnicode_AS_UNICODE(pystr);
- Py_ssize_t end_idx = PyUnicode_GET_SIZE(pystr) - 1;
- PyObject *val = NULL;
- PyObject *rval = PyList_New(0);
- Py_ssize_t next_idx;
- if (rval == NULL)
- return NULL;
-
- /* skip whitespace after [ */
- while (idx <= end_idx && IS_WHITESPACE(str[idx])) idx++;
-
- /* only loop if the array is non-empty */
- if (idx <= end_idx && str[idx] != ']') {
- while (idx <= end_idx) {
-
- /* read any JSON term */
- val = scan_once_unicode(s, pystr, idx, &next_idx);
- if (val == NULL)
- goto bail;
-
- if (PyList_Append(rval, val) == -1)
- goto bail;
-
- Py_CLEAR(val);
- idx = next_idx;
-
- /* skip whitespace between term and , */
- while (idx <= end_idx && IS_WHITESPACE(str[idx])) idx++;
-
- /* bail if the array is closed or we didn't get the , delimiter */
- if (idx > end_idx) break;
- if (str[idx] == ']') {
- break;
- }
- else if (str[idx] != ',') {
- raise_errmsg("Expecting , delimiter", pystr, idx);
- goto bail;
- }
- idx++;
-
- /* skip whitespace after , */
- while (idx <= end_idx && IS_WHITESPACE(str[idx])) idx++;
- }
- }
-
- /* verify that idx < end_idx, str[idx] should be ']' */
- if (idx > end_idx || str[idx] != ']') {
- raise_errmsg("Expecting object", pystr, end_idx);
- goto bail;
- }
- *next_idx_ptr = idx + 1;
- return rval;
-bail:
- Py_XDECREF(val);
- Py_DECREF(rval);
- return NULL;
-}
-
-static PyObject *
-_parse_constant(PyScannerObject *s, char *constant, Py_ssize_t idx, Py_ssize_t *next_idx_ptr) {
- /* Read a JSON constant from PyString pystr.
- constant is the constant string that was found
- ("NaN", "Infinity", "-Infinity").
- idx is the index of the first character of the constant
- *next_idx_ptr is a return-by-reference index to the first character after
- the constant.
-
- Returns the result of parse_constant
- */
- PyObject *cstr;
- PyObject *rval;
- /* constant is "NaN", "Infinity", or "-Infinity" */
- cstr = PyString_InternFromString(constant);
- if (cstr == NULL)
- return NULL;
-
- /* rval = parse_constant(constant) */
- rval = PyObject_CallFunctionObjArgs(s->parse_constant, cstr, NULL);
- idx += PyString_GET_SIZE(cstr);
- Py_DECREF(cstr);
- *next_idx_ptr = idx;
- return rval;
-}
-
-static PyObject *
-_match_number_str(PyScannerObject *s, PyObject *pystr, Py_ssize_t start, Py_ssize_t *next_idx_ptr) {
- /* Read a JSON number from PyString pystr.
- idx is the index of the first character of the number
- *next_idx_ptr is a return-by-reference index to the first character after
- the number.
-
- Returns a new PyObject representation of that number:
- PyInt, PyLong, or PyFloat.
- May return other types if parse_int or parse_float are set
- */
- char *str = PyString_AS_STRING(pystr);
- Py_ssize_t end_idx = PyString_GET_SIZE(pystr) - 1;
- Py_ssize_t idx = start;
- int is_float = 0;
- PyObject *rval;
- PyObject *numstr;
-
- /* read a sign if it's there, make sure it's not the end of the string */
- if (str[idx] == '-') {
- idx++;
- if (idx > end_idx) {
- PyErr_SetNone(PyExc_StopIteration);
- return NULL;
- }
- }
-
- /* read as many integer digits as we find as long as it doesn't start with 0 */
- if (str[idx] >= '1' && str[idx] <= '9') {
- idx++;
- while (idx <= end_idx && str[idx] >= '0' && str[idx] <= '9') idx++;
- }
- /* if it starts with 0 we only expect one integer digit */
- else if (str[idx] == '0') {
- idx++;
- }
- /* no integer digits, error */
- else {
- PyErr_SetNone(PyExc_StopIteration);
- return NULL;
- }
-
- /* if the next char is '.' followed by a digit then read all float digits */
- if (idx < end_idx && str[idx] == '.' && str[idx + 1] >= '0' && str[idx + 1] <= '9') {
- is_float = 1;
- idx += 2;
- while (idx <= end_idx && str[idx] >= '0' && str[idx] <= '9') idx++;
- }
-
- /* if the next char is 'e' or 'E' then maybe read the exponent (or backtrack) */
- if (idx < end_idx && (str[idx] == 'e' || str[idx] == 'E')) {
-
- /* save the index of the 'e' or 'E' just in case we need to backtrack */
- Py_ssize_t e_start = idx;
- idx++;
-
- /* read an exponent sign if present */
- if (idx < end_idx && (str[idx] == '-' || str[idx] == '+')) idx++;
-
- /* read all digits */
- while (idx <= end_idx && str[idx] >= '0' && str[idx] <= '9') idx++;
-
- /* if we got a digit, then parse as float. if not, backtrack */
- if (str[idx - 1] >= '0' && str[idx - 1] <= '9') {
- is_float = 1;
- }
- else {
- idx = e_start;
- }
- }
-
- /* copy the section we determined to be a number */
- numstr = PyString_FromStringAndSize(&str[start], idx - start);
- if (numstr == NULL)
- return NULL;
- if (is_float) {
- /* parse as a float using a fast path if available, otherwise call user defined method */
- if (s->parse_float != (PyObject *)&PyFloat_Type) {
- rval = PyObject_CallFunctionObjArgs(s->parse_float, numstr, NULL);
- }
- else {
- rval = PyFloat_FromDouble(PyOS_ascii_atof(PyString_AS_STRING(numstr)));
- }
- }
- else {
- /* parse as an int using a fast path if available, otherwise call user defined method */
- if (s->parse_int != (PyObject *)&PyInt_Type) {
- rval = PyObject_CallFunctionObjArgs(s->parse_int, numstr, NULL);
- }
- else {
- rval = PyInt_FromString(PyString_AS_STRING(numstr), NULL, 10);
- }
- }
- Py_DECREF(numstr);
- *next_idx_ptr = idx;
- return rval;
-}
-
-static PyObject *
-_match_number_unicode(PyScannerObject *s, PyObject *pystr, Py_ssize_t start, Py_ssize_t *next_idx_ptr) {
- /* Read a JSON number from PyUnicode pystr.
- idx is the index of the first character of the number
- *next_idx_ptr is a return-by-reference index to the first character after
- the number.
-
- Returns a new PyObject representation of that number:
- PyInt, PyLong, or PyFloat.
- May return other types if parse_int or parse_float are set
- */
- Py_UNICODE *str = PyUnicode_AS_UNICODE(pystr);
- Py_ssize_t end_idx = PyUnicode_GET_SIZE(pystr) - 1;
- Py_ssize_t idx = start;
- int is_float = 0;
- PyObject *rval;
- PyObject *numstr;
-
- /* read a sign if it's there, make sure it's not the end of the string */
- if (str[idx] == '-') {
- idx++;
- if (idx > end_idx) {
- PyErr_SetNone(PyExc_StopIteration);
- return NULL;
- }
- }
-
- /* read as many integer digits as we find as long as it doesn't start with 0 */
- if (str[idx] >= '1' && str[idx] <= '9') {
- idx++;
- while (idx <= end_idx && str[idx] >= '0' && str[idx] <= '9') idx++;
- }
- /* if it starts with 0 we only expect one integer digit */
- else if (str[idx] == '0') {
- idx++;
- }
- /* no integer digits, error */
- else {
- PyErr_SetNone(PyExc_StopIteration);
- return NULL;
- }
-
- /* if the next char is '.' followed by a digit then read all float digits */
- if (idx < end_idx && str[idx] == '.' && str[idx + 1] >= '0' && str[idx + 1] <= '9') {
- is_float = 1;
- idx += 2;
- while (idx < end_idx && str[idx] >= '0' && str[idx] <= '9') idx++;
- }
-
- /* if the next char is 'e' or 'E' then maybe read the exponent (or backtrack) */
- if (idx < end_idx && (str[idx] == 'e' || str[idx] == 'E')) {
- Py_ssize_t e_start = idx;
- idx++;
-
- /* read an exponent sign if present */
- if (idx < end_idx && (str[idx] == '-' || str[idx] == '+')) idx++;
-
- /* read all digits */
- while (idx <= end_idx && str[idx] >= '0' && str[idx] <= '9') idx++;
-
- /* if we got a digit, then parse as float. if not, backtrack */
- if (str[idx - 1] >= '0' && str[idx - 1] <= '9') {
- is_float = 1;
- }
- else {
- idx = e_start;
- }
- }
-
- /* copy the section we determined to be a number */
- numstr = PyUnicode_FromUnicode(&str[start], idx - start);
- if (numstr == NULL)
- return NULL;
- if (is_float) {
- /* parse as a float using a fast path if available, otherwise call user defined method */
- if (s->parse_float != (PyObject *)&PyFloat_Type) {
- rval = PyObject_CallFunctionObjArgs(s->parse_float, numstr, NULL);
- }
- else {
- rval = PyFloat_FromString(numstr, NULL);
- }
- }
- else {
- /* no fast path for unicode -> int, just call */
- rval = PyObject_CallFunctionObjArgs(s->parse_int, numstr, NULL);
- }
- Py_DECREF(numstr);
- *next_idx_ptr = idx;
- return rval;
-}
-
-static PyObject *
-scan_once_str(PyScannerObject *s, PyObject *pystr, Py_ssize_t idx, Py_ssize_t *next_idx_ptr)
-{
- /* Read one JSON term (of any kind) from PyString pystr.
- idx is the index of the first character of the term
- *next_idx_ptr is a return-by-reference index to the first character after
- the number.
-
- Returns a new PyObject representation of the term.
- */
- char *str = PyString_AS_STRING(pystr);
- Py_ssize_t length = PyString_GET_SIZE(pystr);
- if (idx >= length) {
- PyErr_SetNone(PyExc_StopIteration);
- return NULL;
- }
- switch (str[idx]) {
- case '"':
- /* string */
- return scanstring_str(pystr, idx + 1,
- PyString_AS_STRING(s->encoding),
- PyObject_IsTrue(s->strict),
- next_idx_ptr);
- case '{':
- /* object */
- return _parse_object_str(s, pystr, idx + 1, next_idx_ptr);
- case '[':
- /* array */
- return _parse_array_str(s, pystr, idx + 1, next_idx_ptr);
- case 'n':
- /* null */
- if ((idx + 3 < length) && str[idx + 1] == 'u' && str[idx + 2] == 'l' && str[idx + 3] == 'l') {
- Py_INCREF(Py_None);
- *next_idx_ptr = idx + 4;
- return Py_None;
- }
- break;
- case 't':
- /* true */
- if ((idx + 3 < length) && str[idx + 1] == 'r' && str[idx + 2] == 'u' && str[idx + 3] == 'e') {
- Py_INCREF(Py_True);
- *next_idx_ptr = idx + 4;
- return Py_True;
- }
- break;
- case 'f':
- /* false */
- if ((idx + 4 < length) && str[idx + 1] == 'a' && str[idx + 2] == 'l' && str[idx + 3] == 's' && str[idx + 4] == 'e') {
- Py_INCREF(Py_False);
- *next_idx_ptr = idx + 5;
- return Py_False;
- }
- break;
- case 'N':
- /* NaN */
- if ((idx + 2 < length) && str[idx + 1] == 'a' && str[idx + 2] == 'N') {
- return _parse_constant(s, "NaN", idx, next_idx_ptr);
- }
- break;
- case 'I':
- /* Infinity */
- if ((idx + 7 < length) && str[idx + 1] == 'n' && str[idx + 2] == 'f' && str[idx + 3] == 'i' && str[idx + 4] == 'n' && str[idx + 5] == 'i' && str[idx + 6] == 't' && str[idx + 7] == 'y') {
- return _parse_constant(s, "Infinity", idx, next_idx_ptr);
- }
- break;
- case '-':
- /* -Infinity */
- if ((idx + 8 < length) && str[idx + 1] == 'I' && str[idx + 2] == 'n' && str[idx + 3] == 'f' && str[idx + 4] == 'i' && str[idx + 5] == 'n' && str[idx + 6] == 'i' && str[idx + 7] == 't' && str[idx + 8] == 'y') {
- return _parse_constant(s, "-Infinity", idx, next_idx_ptr);
- }
- break;
- }
- /* Didn't find a string, object, array, or named constant. Look for a number. */
- return _match_number_str(s, pystr, idx, next_idx_ptr);
-}
-
-static PyObject *
-scan_once_unicode(PyScannerObject *s, PyObject *pystr, Py_ssize_t idx, Py_ssize_t *next_idx_ptr)
-{
- /* Read one JSON term (of any kind) from PyUnicode pystr.
- idx is the index of the first character of the term
- *next_idx_ptr is a return-by-reference index to the first character after
- the number.
-
- Returns a new PyObject representation of the term.
- */
- Py_UNICODE *str = PyUnicode_AS_UNICODE(pystr);
- Py_ssize_t length = PyUnicode_GET_SIZE(pystr);
- if (idx >= length) {
- PyErr_SetNone(PyExc_StopIteration);
- return NULL;
- }
- switch (str[idx]) {
- case '"':
- /* string */
- return scanstring_unicode(pystr, idx + 1,
- PyObject_IsTrue(s->strict),
- next_idx_ptr);
- case '{':
- /* object */
- return _parse_object_unicode(s, pystr, idx + 1, next_idx_ptr);
- case '[':
- /* array */
- return _parse_array_unicode(s, pystr, idx + 1, next_idx_ptr);
- case 'n':
- /* null */
- if ((idx + 3 < length) && str[idx + 1] == 'u' && str[idx + 2] == 'l' && str[idx + 3] == 'l') {
- Py_INCREF(Py_None);
- *next_idx_ptr = idx + 4;
- return Py_None;
- }
- break;
- case 't':
- /* true */
- if ((idx + 3 < length) && str[idx + 1] == 'r' && str[idx + 2] == 'u' && str[idx + 3] == 'e') {
- Py_INCREF(Py_True);
- *next_idx_ptr = idx + 4;
- return Py_True;
- }
- break;
- case 'f':
- /* false */
- if ((idx + 4 < length) && str[idx + 1] == 'a' && str[idx + 2] == 'l' && str[idx + 3] == 's' && str[idx + 4] == 'e') {
- Py_INCREF(Py_False);
- *next_idx_ptr = idx + 5;
- return Py_False;
- }
- break;
- case 'N':
- /* NaN */
- if ((idx + 2 < length) && str[idx + 1] == 'a' && str[idx + 2] == 'N') {
- return _parse_constant(s, "NaN", idx, next_idx_ptr);
- }
- break;
- case 'I':
- /* Infinity */
- if ((idx + 7 < length) && str[idx + 1] == 'n' && str[idx + 2] == 'f' && str[idx + 3] == 'i' && str[idx + 4] == 'n' && str[idx + 5] == 'i' && str[idx + 6] == 't' && str[idx + 7] == 'y') {
- return _parse_constant(s, "Infinity", idx, next_idx_ptr);
- }
- break;
- case '-':
- /* -Infinity */
- if ((idx + 8 < length) && str[idx + 1] == 'I' && str[idx + 2] == 'n' && str[idx + 3] == 'f' && str[idx + 4] == 'i' && str[idx + 5] == 'n' && str[idx + 6] == 'i' && str[idx + 7] == 't' && str[idx + 8] == 'y') {
- return _parse_constant(s, "-Infinity", idx, next_idx_ptr);
- }
- break;
- }
- /* Didn't find a string, object, array, or named constant. Look for a number. */
- return _match_number_unicode(s, pystr, idx, next_idx_ptr);
-}
-
-static PyObject *
-scanner_call(PyObject *self, PyObject *args, PyObject *kwds)
-{
- /* Python callable interface to scan_once_{str,unicode} */
- PyObject *pystr;
- PyObject *rval;
- Py_ssize_t idx;
- Py_ssize_t next_idx = -1;
- static char *kwlist[] = {"string", "idx", NULL};
- PyScannerObject *s;
- assert(PyScanner_Check(self));
- s = (PyScannerObject *)self;
- if (!PyArg_ParseTupleAndKeywords(args, kwds, "OO&:scan_once", kwlist, &pystr, _convertPyInt_AsSsize_t, &idx))
- return NULL;
-
- if (PyString_Check(pystr)) {
- rval = scan_once_str(s, pystr, idx, &next_idx);
- }
- else if (PyUnicode_Check(pystr)) {
- rval = scan_once_unicode(s, pystr, idx, &next_idx);
- }
- else {
- PyErr_Format(PyExc_TypeError,
- "first argument must be a string, not %.80s",
- Py_TYPE(pystr)->tp_name);
- return NULL;
- }
- return _build_rval_index_tuple(rval, next_idx);
-}
-
-static PyObject *
-scanner_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
-{
- PyScannerObject *s;
- s = (PyScannerObject *)type->tp_alloc(type, 0);
- if (s != NULL) {
- s->encoding = NULL;
- s->strict = NULL;
- s->object_hook = NULL;
- s->parse_float = NULL;
- s->parse_int = NULL;
- s->parse_constant = NULL;
- }
- return (PyObject *)s;
-}
-
-static int
-scanner_init(PyObject *self, PyObject *args, PyObject *kwds)
-{
- /* Initialize Scanner object */
- PyObject *ctx;
- static char *kwlist[] = {"context", NULL};
- PyScannerObject *s;
-
- assert(PyScanner_Check(self));
- s = (PyScannerObject *)self;
-
- if (!PyArg_ParseTupleAndKeywords(args, kwds, "O:make_scanner", kwlist, &ctx))
- return -1;
-
- /* PyString_AS_STRING is used on encoding */
- s->encoding = PyObject_GetAttrString(ctx, "encoding");
- if (s->encoding == Py_None) {
- Py_DECREF(Py_None);
- s->encoding = PyString_InternFromString(DEFAULT_ENCODING);
- }
- else if (PyUnicode_Check(s->encoding)) {
- PyObject *tmp = PyUnicode_AsEncodedString(s->encoding, NULL, NULL);
- Py_DECREF(s->encoding);
- s->encoding = tmp;
- }
- if (s->encoding == NULL || !PyString_Check(s->encoding))
- goto bail;
-
- /* All of these will fail "gracefully" so we don't need to verify them */
- s->strict = PyObject_GetAttrString(ctx, "strict");
- if (s->strict == NULL)
- goto bail;
- s->object_hook = PyObject_GetAttrString(ctx, "object_hook");
- if (s->object_hook == NULL)
- goto bail;
- s->parse_float = PyObject_GetAttrString(ctx, "parse_float");
- if (s->parse_float == NULL)
- goto bail;
- s->parse_int = PyObject_GetAttrString(ctx, "parse_int");
- if (s->parse_int == NULL)
- goto bail;
- s->parse_constant = PyObject_GetAttrString(ctx, "parse_constant");
- if (s->parse_constant == NULL)
- goto bail;
-
- return 0;
-
-bail:
- Py_CLEAR(s->encoding);
- Py_CLEAR(s->strict);
- Py_CLEAR(s->object_hook);
- Py_CLEAR(s->parse_float);
- Py_CLEAR(s->parse_int);
- Py_CLEAR(s->parse_constant);
- return -1;
-}
-
-PyDoc_STRVAR(scanner_doc, "JSON scanner object");
-
-static
-PyTypeObject PyScannerType = {
- PyObject_HEAD_INIT(NULL)
- 0, /* tp_internal */
- "simplejson._speedups.Scanner", /* tp_name */
- sizeof(PyScannerObject), /* tp_basicsize */
- 0, /* tp_itemsize */
- scanner_dealloc, /* tp_dealloc */
- 0, /* tp_print */
- 0, /* tp_getattr */
- 0, /* tp_setattr */
- 0, /* tp_compare */
- 0, /* tp_repr */
- 0, /* tp_as_number */
- 0, /* tp_as_sequence */
- 0, /* tp_as_mapping */
- 0, /* tp_hash */
- scanner_call, /* tp_call */
- 0, /* tp_str */
- 0,/* PyObject_GenericGetAttr, */ /* tp_getattro */
- 0,/* PyObject_GenericSetAttr, */ /* tp_setattro */
- 0, /* tp_as_buffer */
- Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC, /* tp_flags */
- scanner_doc, /* tp_doc */
- scanner_traverse, /* tp_traverse */
- scanner_clear, /* tp_clear */
- 0, /* tp_richcompare */
- 0, /* tp_weaklistoffset */
- 0, /* tp_iter */
- 0, /* tp_iternext */
- 0, /* tp_methods */
- scanner_members, /* tp_members */
- 0, /* tp_getset */
- 0, /* tp_base */
- 0, /* tp_dict */
- 0, /* tp_descr_get */
- 0, /* tp_descr_set */
- 0, /* tp_dictoffset */
- scanner_init, /* tp_init */
- 0,/* PyType_GenericAlloc, */ /* tp_alloc */
- scanner_new, /* tp_new */
- 0,/* PyObject_GC_Del, */ /* tp_free */
-};
-
-static PyObject *
-encoder_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
-{
- PyEncoderObject *s;
- s = (PyEncoderObject *)type->tp_alloc(type, 0);
- if (s != NULL) {
- s->markers = NULL;
- s->defaultfn = NULL;
- s->encoder = NULL;
- s->indent = NULL;
- s->key_separator = NULL;
- s->item_separator = NULL;
- s->sort_keys = NULL;
- s->skipkeys = NULL;
- }
- return (PyObject *)s;
-}
-
-static int
-encoder_init(PyObject *self, PyObject *args, PyObject *kwds)
-{
- /* initialize Encoder object */
- static char *kwlist[] = {"markers", "default", "encoder", "indent", "key_separator", "item_separator", "sort_keys", "skipkeys", "allow_nan", NULL};
-
- PyEncoderObject *s;
- PyObject *allow_nan;
-
- assert(PyEncoder_Check(self));
- s = (PyEncoderObject *)self;
-
- if (!PyArg_ParseTupleAndKeywords(args, kwds, "OOOOOOOOO:make_encoder", kwlist,
- &s->markers, &s->defaultfn, &s->encoder, &s->indent, &s->key_separator, &s->item_separator, &s->sort_keys, &s->skipkeys, &allow_nan))
- return -1;
-
- Py_INCREF(s->markers);
- Py_INCREF(s->defaultfn);
- Py_INCREF(s->encoder);
- Py_INCREF(s->indent);
- Py_INCREF(s->key_separator);
- Py_INCREF(s->item_separator);
- Py_INCREF(s->sort_keys);
- Py_INCREF(s->skipkeys);
- s->fast_encode = (PyCFunction_Check(s->encoder) && PyCFunction_GetFunction(s->encoder) == (PyCFunction)py_encode_basestring_ascii);
- s->allow_nan = PyObject_IsTrue(allow_nan);
- return 0;
-}
-
-static PyObject *
-encoder_call(PyObject *self, PyObject *args, PyObject *kwds)
-{
- /* Python callable interface to encode_listencode_obj */
- static char *kwlist[] = {"obj", "_current_indent_level", NULL};
- PyObject *obj;
- PyObject *rval;
- Py_ssize_t indent_level;
- PyEncoderObject *s;
- assert(PyEncoder_Check(self));
- s = (PyEncoderObject *)self;
- if (!PyArg_ParseTupleAndKeywords(args, kwds, "OO&:_iterencode", kwlist,
- &obj, _convertPyInt_AsSsize_t, &indent_level))
- return NULL;
- rval = PyList_New(0);
- if (rval == NULL)
- return NULL;
- if (encoder_listencode_obj(s, rval, obj, indent_level)) {
- Py_DECREF(rval);
- return NULL;
- }
- return rval;
-}
-
-static PyObject *
-_encoded_const(PyObject *obj)
-{
- /* Return the JSON string representation of None, True, False */
- if (obj == Py_None) {
- static PyObject *s_null = NULL;
- if (s_null == NULL) {
- s_null = PyString_InternFromString("null");
- }
- Py_INCREF(s_null);
- return s_null;
- }
- else if (obj == Py_True) {
- static PyObject *s_true = NULL;
- if (s_true == NULL) {
- s_true = PyString_InternFromString("true");
- }
- Py_INCREF(s_true);
- return s_true;
- }
- else if (obj == Py_False) {
- static PyObject *s_false = NULL;
- if (s_false == NULL) {
- s_false = PyString_InternFromString("false");
- }
- Py_INCREF(s_false);
- return s_false;
- }
- else {
- PyErr_SetString(PyExc_ValueError, "not a const");
- return NULL;
- }
-}
-
-static PyObject *
-encoder_encode_float(PyEncoderObject *s, PyObject *obj)
-{
- /* Return the JSON representation of a PyFloat */
- double i = PyFloat_AS_DOUBLE(obj);
- if (!Py_IS_FINITE(i)) {
- if (!s->allow_nan) {
- PyErr_SetString(PyExc_ValueError, "Out of range float values are not JSON compliant");
- return NULL;
- }
- if (i > 0) {
- return PyString_FromString("Infinity");
- }
- else if (i < 0) {
- return PyString_FromString("-Infinity");
- }
- else {
- return PyString_FromString("NaN");
- }
- }
- /* Use a better float format here? */
- return PyObject_Repr(obj);
-}
-
-static PyObject *
-encoder_encode_string(PyEncoderObject *s, PyObject *obj)
-{
- /* Return the JSON representation of a string */
- if (s->fast_encode)
- return py_encode_basestring_ascii(NULL, obj);
- else
- return PyObject_CallFunctionObjArgs(s->encoder, obj, NULL);
-}
-
-static int
-_steal_list_append(PyObject *lst, PyObject *stolen)
-{
- /* Append stolen and then decrement its reference count */
- int rval = PyList_Append(lst, stolen);
- Py_DECREF(stolen);
- return rval;
-}
-
-static int
-encoder_listencode_obj(PyEncoderObject *s, PyObject *rval, PyObject *obj, Py_ssize_t indent_level)
-{
- /* Encode Python object obj to a JSON term, rval is a PyList */
- PyObject *newobj;
- int rv;
-
- if (obj == Py_None || obj == Py_True || obj == Py_False) {
- PyObject *cstr = _encoded_const(obj);
- if (cstr == NULL)
- return -1;
- return _steal_list_append(rval, cstr);
- }
- else if (PyString_Check(obj) || PyUnicode_Check(obj))
- {
- PyObject *encoded = encoder_encode_string(s, obj);
- if (encoded == NULL)
- return -1;
- return _steal_list_append(rval, encoded);
- }
- else if (PyInt_Check(obj) || PyLong_Check(obj)) {
- PyObject *encoded = PyObject_Str(obj);
- if (encoded == NULL)
- return -1;
- return _steal_list_append(rval, encoded);
- }
- else if (PyFloat_Check(obj)) {
- PyObject *encoded = encoder_encode_float(s, obj);
- if (encoded == NULL)
- return -1;
- return _steal_list_append(rval, encoded);
- }
- else if (PyList_Check(obj) || PyTuple_Check(obj)) {
- return encoder_listencode_list(s, rval, obj, indent_level);
- }
- else if (PyDict_Check(obj)) {
- return encoder_listencode_dict(s, rval, obj, indent_level);
- }
- else {
- PyObject *ident = NULL;
- if (s->markers != Py_None) {
- int has_key;
- ident = PyLong_FromVoidPtr(obj);
- if (ident == NULL)
- return -1;
- has_key = PyDict_Contains(s->markers, ident);
- if (has_key) {
- if (has_key != -1)
- PyErr_SetString(PyExc_ValueError, "Circular reference detected");
- Py_DECREF(ident);
- return -1;
- }
- if (PyDict_SetItem(s->markers, ident, obj)) {
- Py_DECREF(ident);
- return -1;
- }
- }
- newobj = PyObject_CallFunctionObjArgs(s->defaultfn, obj, NULL);
- if (newobj == NULL) {
- Py_XDECREF(ident);
- return -1;
- }
- rv = encoder_listencode_obj(s, rval, newobj, indent_level);
- Py_DECREF(newobj);
- if (rv) {
- Py_XDECREF(ident);
- return -1;
- }
- if (ident != NULL) {
- if (PyDict_DelItem(s->markers, ident)) {
- Py_XDECREF(ident);
- return -1;
- }
- Py_XDECREF(ident);
- }
- return rv;
- }
-}
-
-static int
-encoder_listencode_dict(PyEncoderObject *s, PyObject *rval, PyObject *dct, Py_ssize_t indent_level)
-{
- /* Encode Python dict dct a JSON term, rval is a PyList */
- static PyObject *open_dict = NULL;
- static PyObject *close_dict = NULL;
- static PyObject *empty_dict = NULL;
- PyObject *kstr = NULL;
- PyObject *ident = NULL;
- PyObject *key, *value;
- Py_ssize_t pos;
- int skipkeys;
- Py_ssize_t idx;
-
- if (open_dict == NULL || close_dict == NULL || empty_dict == NULL) {
- open_dict = PyString_InternFromString("{");
- close_dict = PyString_InternFromString("}");
- empty_dict = PyString_InternFromString("{}");
- if (open_dict == NULL || close_dict == NULL || empty_dict == NULL)
- return -1;
- }
- if (PyDict_Size(dct) == 0)
- return PyList_Append(rval, empty_dict);
-
- if (s->markers != Py_None) {
- int has_key;
- ident = PyLong_FromVoidPtr(dct);
- if (ident == NULL)
- goto bail;
- has_key = PyDict_Contains(s->markers, ident);
- if (has_key) {
- if (has_key != -1)
- PyErr_SetString(PyExc_ValueError, "Circular reference detected");
- goto bail;
- }
- if (PyDict_SetItem(s->markers, ident, dct)) {
- goto bail;
- }
- }
-
- if (PyList_Append(rval, open_dict))
- goto bail;
-
- if (s->indent != Py_None) {
- /* TODO: DOES NOT RUN */
- indent_level += 1;
- /*
- newline_indent = '\n' + (' ' * (_indent * _current_indent_level))
- separator = _item_separator + newline_indent
- buf += newline_indent
- */
- }
-
- /* TODO: C speedup not implemented for sort_keys */
-
- pos = 0;
- skipkeys = PyObject_IsTrue(s->skipkeys);
- idx = 0;
- while (PyDict_Next(dct, &pos, &key, &value)) {
- PyObject *encoded;
-
- if (PyString_Check(key) || PyUnicode_Check(key)) {
- Py_INCREF(key);
- kstr = key;
- }
- else if (PyFloat_Check(key)) {
- kstr = encoder_encode_float(s, key);
- if (kstr == NULL)
- goto bail;
- }
- else if (PyInt_Check(key) || PyLong_Check(key)) {
- kstr = PyObject_Str(key);
- if (kstr == NULL)
- goto bail;
- }
- else if (key == Py_True || key == Py_False || key == Py_None) {
- kstr = _encoded_const(key);
- if (kstr == NULL)
- goto bail;
- }
- else if (skipkeys) {
- continue;
- }
- else {
- /* TODO: include repr of key */
- PyErr_SetString(PyExc_ValueError, "keys must be a string");
- goto bail;
- }
-
- if (idx) {
- if (PyList_Append(rval, s->item_separator))
- goto bail;
- }
-
- encoded = encoder_encode_string(s, kstr);
- Py_CLEAR(kstr);
- if (encoded == NULL)
- goto bail;
- if (PyList_Append(rval, encoded)) {
- Py_DECREF(encoded);
- goto bail;
- }
- Py_DECREF(encoded);
- if (PyList_Append(rval, s->key_separator))
- goto bail;
- if (encoder_listencode_obj(s, rval, value, indent_level))
- goto bail;
- idx += 1;
- }
- if (ident != NULL) {
- if (PyDict_DelItem(s->markers, ident))
- goto bail;
- Py_CLEAR(ident);
- }
- if (s->indent != Py_None) {
- /* TODO: DOES NOT RUN */
- indent_level -= 1;
- /*
- yield '\n' + (' ' * (_indent * _current_indent_level))
- */
- }
- if (PyList_Append(rval, close_dict))
- goto bail;
- return 0;
-
-bail:
- Py_XDECREF(kstr);
- Py_XDECREF(ident);
- return -1;
-}
-
-
-static int
-encoder_listencode_list(PyEncoderObject *s, PyObject *rval, PyObject *seq, Py_ssize_t indent_level)
-{
- /* Encode Python list seq to a JSON term, rval is a PyList */
- static PyObject *open_array = NULL;
- static PyObject *close_array = NULL;
- static PyObject *empty_array = NULL;
- PyObject *ident = NULL;
- PyObject *s_fast = NULL;
- Py_ssize_t num_items;
- PyObject **seq_items;
- Py_ssize_t i;
-
- if (open_array == NULL || close_array == NULL || empty_array == NULL) {
- open_array = PyString_InternFromString("[");
- close_array = PyString_InternFromString("]");
- empty_array = PyString_InternFromString("[]");
- if (open_array == NULL || close_array == NULL || empty_array == NULL)
- return -1;
- }
- ident = NULL;
- s_fast = PySequence_Fast(seq, "_iterencode_list needs a sequence");
- if (s_fast == NULL)
- return -1;
- num_items = PySequence_Fast_GET_SIZE(s_fast);
- if (num_items == 0) {
- Py_DECREF(s_fast);
- return PyList_Append(rval, empty_array);
- }
-
- if (s->markers != Py_None) {
- int has_key;
- ident = PyLong_FromVoidPtr(seq);
- if (ident == NULL)
- goto bail;
- has_key = PyDict_Contains(s->markers, ident);
- if (has_key) {
- if (has_key != -1)
- PyErr_SetString(PyExc_ValueError, "Circular reference detected");
- goto bail;
- }
- if (PyDict_SetItem(s->markers, ident, seq)) {
- goto bail;
- }
- }
-
- seq_items = PySequence_Fast_ITEMS(s_fast);
- if (PyList_Append(rval, open_array))
- goto bail;
- if (s->indent != Py_None) {
- /* TODO: DOES NOT RUN */
- indent_level += 1;
- /*
- newline_indent = '\n' + (' ' * (_indent * _current_indent_level))
- separator = _item_separator + newline_indent
- buf += newline_indent
- */
- }
- for (i = 0; i < num_items; i++) {
- PyObject *obj = seq_items[i];
- if (i) {
- if (PyList_Append(rval, s->item_separator))
- goto bail;
- }
- if (encoder_listencode_obj(s, rval, obj, indent_level))
- goto bail;
- }
- if (ident != NULL) {
- if (PyDict_DelItem(s->markers, ident))
- goto bail;
- Py_CLEAR(ident);
- }
- if (s->indent != Py_None) {
- /* TODO: DOES NOT RUN */
- indent_level -= 1;
- /*
- yield '\n' + (' ' * (_indent * _current_indent_level))
- */
- }
- if (PyList_Append(rval, close_array))
- goto bail;
- Py_DECREF(s_fast);
- return 0;
-
-bail:
- Py_XDECREF(ident);
- Py_DECREF(s_fast);
- return -1;
-}
-
-static void
-encoder_dealloc(PyObject *self)
-{
- /* Deallocate Encoder */
- encoder_clear(self);
- Py_TYPE(self)->tp_free(self);
-}
-
-static int
-encoder_traverse(PyObject *self, visitproc visit, void *arg)
-{
- PyEncoderObject *s;
- assert(PyEncoder_Check(self));
- s = (PyEncoderObject *)self;
- Py_VISIT(s->markers);
- Py_VISIT(s->defaultfn);
- Py_VISIT(s->encoder);
- Py_VISIT(s->indent);
- Py_VISIT(s->key_separator);
- Py_VISIT(s->item_separator);
- Py_VISIT(s->sort_keys);
- Py_VISIT(s->skipkeys);
- return 0;
-}
-
-static int
-encoder_clear(PyObject *self)
-{
- /* Deallocate Encoder */
- PyEncoderObject *s;
- assert(PyEncoder_Check(self));
- s = (PyEncoderObject *)self;
- Py_CLEAR(s->markers);
- Py_CLEAR(s->defaultfn);
- Py_CLEAR(s->encoder);
- Py_CLEAR(s->indent);
- Py_CLEAR(s->key_separator);
- Py_CLEAR(s->item_separator);
- Py_CLEAR(s->sort_keys);
- Py_CLEAR(s->skipkeys);
- return 0;
-}
-
-PyDoc_STRVAR(encoder_doc, "_iterencode(obj, _current_indent_level) -> iterable");
-
-static
-PyTypeObject PyEncoderType = {
- PyObject_HEAD_INIT(NULL)
- 0, /* tp_internal */
- "simplejson._speedups.Encoder", /* tp_name */
- sizeof(PyEncoderObject), /* tp_basicsize */
- 0, /* tp_itemsize */
- encoder_dealloc, /* tp_dealloc */
- 0, /* tp_print */
- 0, /* tp_getattr */
- 0, /* tp_setattr */
- 0, /* tp_compare */
- 0, /* tp_repr */
- 0, /* tp_as_number */
- 0, /* tp_as_sequence */
- 0, /* tp_as_mapping */
- 0, /* tp_hash */
- encoder_call, /* tp_call */
- 0, /* tp_str */
- 0, /* tp_getattro */
- 0, /* tp_setattro */
- 0, /* tp_as_buffer */
- Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC, /* tp_flags */
- encoder_doc, /* tp_doc */
- encoder_traverse, /* tp_traverse */
- encoder_clear, /* tp_clear */
- 0, /* tp_richcompare */
- 0, /* tp_weaklistoffset */
- 0, /* tp_iter */
- 0, /* tp_iternext */
- 0, /* tp_methods */
- encoder_members, /* tp_members */
- 0, /* tp_getset */
- 0, /* tp_base */
- 0, /* tp_dict */
- 0, /* tp_descr_get */
- 0, /* tp_descr_set */
- 0, /* tp_dictoffset */
- encoder_init, /* tp_init */
- 0, /* tp_alloc */
- encoder_new, /* tp_new */
- 0, /* tp_free */
-};
-
-static PyMethodDef speedups_methods[] = {
- {"encode_basestring_ascii",
- (PyCFunction)py_encode_basestring_ascii,
- METH_O,
- pydoc_encode_basestring_ascii},
- {"scanstring",
- (PyCFunction)py_scanstring,
- METH_VARARGS,
- pydoc_scanstring},
- {NULL, NULL, 0, NULL}
-};
-
-PyDoc_STRVAR(module_doc,
-"simplejson speedups\n");
-
-void
-init_speedups(void)
-{
- PyObject *m;
- PyScannerType.tp_new = PyType_GenericNew;
- if (PyType_Ready(&PyScannerType) < 0)
- return;
- PyEncoderType.tp_new = PyType_GenericNew;
- if (PyType_Ready(&PyEncoderType) < 0)
- return;
- m = Py_InitModule3("_speedups", speedups_methods, module_doc);
- Py_INCREF((PyObject*)&PyScannerType);
- PyModule_AddObject(m, "make_scanner", (PyObject*)&PyScannerType);
- Py_INCREF((PyObject*)&PyEncoderType);
- PyModule_AddObject(m, "make_encoder", (PyObject*)&PyEncoderType);
-}