#include "Python.h" #ifdef HAVE_EXPAT_H #include "expat.h" #else #include "xmlparse.h" #endif enum HandlerTypes { StartElement, EndElement, ProcessingInstruction, CharacterData, UnparsedEntityDecl, NotationDecl, StartNamespaceDecl, EndNamespaceDecl, Comment, StartCdataSection, EndCdataSection, Default, DefaultHandlerExpand, NotStandalone, ExternalEntityRef }; static PyObject *ErrorObject; /* ----------------------------------------------------- */ /* Declarations for objects of type xmlparser */ typedef struct { PyObject_HEAD XML_Parser itself; int returns_unicode; /* True if Unicode strings are returned; if false, UTF-8 strings are returned */ PyObject **handlers; } xmlparseobject; staticforward PyTypeObject Xmlparsetype; typedef void (*xmlhandlersetter)(XML_Parser *self, void *meth); typedef void* xmlhandler; struct HandlerInfo { const char *name; xmlhandlersetter setter; xmlhandler handler; }; staticforward struct HandlerInfo handler_info[64]; /* Convert an array of attributes and their values into a Python dict */ static PyObject * conv_atts_using_string(XML_Char **atts) { PyObject *attrs_obj = NULL; XML_Char **attrs_p, **attrs_k = NULL; int attrs_len; PyObject *rv; if ((attrs_obj = PyDict_New()) == NULL) goto finally; for (attrs_len = 0, attrs_p = atts; *attrs_p; attrs_p++, attrs_len++) { if (attrs_len % 2) { rv = PyString_FromString(*attrs_p); if (!rv) { Py_DECREF(attrs_obj); attrs_obj = NULL; goto finally; } if (PyDict_SetItemString(attrs_obj, (char*)*attrs_k, rv) < 0) { Py_DECREF(attrs_obj); attrs_obj = NULL; goto finally; } Py_DECREF(rv); } else attrs_k = attrs_p; } finally: return attrs_obj; } #if !(PY_MAJOR_VERSION == 1 && PY_MINOR_VERSION < 6) static PyObject * conv_atts_using_unicode(XML_Char **atts) { PyObject *attrs_obj; XML_Char **attrs_p, **attrs_k = NULL; int attrs_len; if ((attrs_obj = PyDict_New()) == NULL) goto finally; for (attrs_len = 0, attrs_p = atts; *attrs_p; attrs_p++, attrs_len++) { if (attrs_len % 2) { PyObject *attr_str, *value_str; const char *p = (const char *) (*attrs_k); attr_str = PyUnicode_DecodeUTF8(p, strlen(p), "strict"); if (!attr_str) { Py_DECREF(attrs_obj); attrs_obj = NULL; goto finally; } p = (const char *) *attrs_p; value_str = PyUnicode_DecodeUTF8(p, strlen(p), "strict"); if (!value_str) { Py_DECREF(attrs_obj); Py_DECREF(attr_str); attrs_obj = NULL; goto finally; } if (PyDict_SetItem(attrs_obj, attr_str, value_str) < 0) { Py_DECREF(attrs_obj); Py_DECREF(attr_str); Py_DECREF(value_str); attrs_obj = NULL; goto finally; } Py_DECREF(attr_str); Py_DECREF(value_str); } else attrs_k = attrs_p; } finally: return attrs_obj; } /* Convert a string of XML_Chars into a Unicode string. Returns None if str is a null pointer. */ static PyObject * conv_string_to_unicode(XML_Char *str) { /* XXX currently this code assumes that XML_Char is 8-bit, and hence in UTF-8. */ /* UTF-8 from Expat, Unicode desired */ if (str == NULL) { Py_INCREF(Py_None); return Py_None; } return PyUnicode_DecodeUTF8((const char *)str, strlen((const char *)str), "strict"); } static PyObject * conv_string_len_to_unicode(const XML_Char *str, int len) { /* XXX currently this code assumes that XML_Char is 8-bit, and hence in UTF-8. */ /* UTF-8 from Expat, Unicode desired */ if (str == NULL) { Py_INCREF(Py_None); return Py_None; } return PyUnicode_DecodeUTF8((const char *)str, len, "strict"); } #endif /* Convert a string of XML_Chars into an 8-bit Python string. Returns None if str is a null pointer. */ static PyObject * conv_string_to_utf8(XML_Char *str) { /* XXX currently this code assumes that XML_Char is 8-bit, and hence in UTF-8. */ /* UTF-8 from Expat, UTF-8 desired */ if (str == NULL) { Py_INCREF(Py_None); return Py_None; } return PyString_FromString((const char *)str); } static PyObject * conv_string_len_to_utf8(const XML_Char *str, int len) { /* XXX currently this code assumes that XML_Char is 8-bit, and hence in UTF-8. */ /* UTF-8 from Expat, UTF-8 desired */ if (str == NULL) { Py_INCREF(Py_None); return Py_None; } return PyString_FromStringAndSize((const char *)str, len); } /* Callback routines */ static void clear_handlers(xmlparseobject *self); static void flag_error(xmlparseobject *self) { clear_handlers(self); } #define RC_HANDLER(RC, NAME, PARAMS, INIT, PARAM_FORMAT, CONVERSION, \ RETURN, GETUSERDATA) \ \ static RC my_##NAME##Handler PARAMS {\ xmlparseobject *self = GETUSERDATA ; \ PyObject *args=NULL; \ PyObject *rv=NULL; \ INIT \ \ if (self->handlers[NAME] \ && self->handlers[NAME] != Py_None) { \ args = Py_BuildValue PARAM_FORMAT ;\ if (!args) return RETURN; \ rv = PyEval_CallObject(self->handlers[NAME], args); \ Py_DECREF(args); \ if (rv == NULL) { \ flag_error(self); \ return RETURN; \ } \ CONVERSION \ Py_DECREF(rv); \ } \ return RETURN; \ } #if PY_MAJOR_VERSION == 1 && PY_MINOR_VERSION < 6 #define STRING_CONV_FUNC conv_string_to_utf8 #else /* Python 1.6 and later versions */ #define STRING_CONV_FUNC (self->returns_unicode \ ? conv_string_to_unicode : conv_string_to_utf8) #endif #define VOID_HANDLER(NAME, PARAMS, PARAM_FORMAT) \ RC_HANDLER(void, NAME, PARAMS, ;, PARAM_FORMAT, ;, ;,\ (xmlparseobject *)userData) #define INT_HANDLER(NAME, PARAMS, PARAM_FORMAT)\ RC_HANDLER(int, NAME, PARAMS, int rc=0;, PARAM_FORMAT, \ rc = PyInt_AsLong(rv);, rc, \ (xmlparseobject *)userData) #if PY_MAJOR_VERSION == 1 && PY_MINOR_VERSION < 6 VOID_HANDLER(StartElement, (void *userData, const XML_Char *name, const XML_Char **atts), ("(O&O&)", STRING_CONV_FUNC, name, conv_atts_using_string, atts ) ) #else /* Python 1.6 and later */ VOID_HANDLER(StartElement, (void *userData, const XML_Char *name, const XML_Char **atts), ("(O&O&)", STRING_CONV_FUNC, name, (self->returns_unicode ? conv_atts_using_unicode : conv_atts_using_string), atts)) #endif VOID_HANDLER(EndElement, (void *userData, const XML_Char *name), ("(O&)", STRING_CONV_FUNC, name)) VOID_HANDLER(ProcessingInstruction, (void *userData, const XML_Char *target, const XML_Char *data), ("(O&O&)",STRING_CONV_FUNC,target, STRING_CONV_FUNC,data)) #if PY_MAJOR_VERSION == 1 && PY_MINOR_VERSION < 6 VOID_HANDLER(CharacterData, (void *userData, const XML_Char *data, int len), ("(N)", conv_string_len_to_utf8(data,len))) #else VOID_HANDLER(CharacterData, (void *userData, const XML_Char *data, int len), ("(N)", (self->returns_unicode ? conv_string_len_to_unicode(data,len) : conv_string_len_to_utf8(data,len)))) #endif VOID_HANDLER(UnparsedEntityDecl, (void *userData, const XML_Char *entityName, const XML_Char *base, const XML_Char *systemId, const XML_Char *publicId, const XML_Char *notationName), ("(O&O&O&O&O&)", STRING_CONV_FUNC,entityName, STRING_CONV_FUNC,base, STRING_CONV_FUNC,systemId, STRING_CONV_FUNC,publicId, STRING_CONV_FUNC,notationName)) VOID_HANDLER(NotationDecl, (void *userData, const XML_Char *notationName, const XML_Char *base, const XML_Char *systemId, const XML_Char *publicId), ("(O&O&O&O&)", STRING_CONV_FUNC,notationName, STRING_CONV_FUNC,base, STRING_CONV_FUNC,systemId, STRING_CONV_FUNC,publicId)) VOID_HANDLER(StartNamespaceDecl, (void *userData, const XML_Char *prefix, const XML_Char *uri), ("(O&O&)", STRING_CONV_FUNC,prefix, STRING_CONV_FUNC,uri)) VOID_HANDLER(EndNamespaceDecl, (void *userData, const XML_Char *prefix), ("(O&)", STRING_CONV_FUNC,prefix)) VOID_HANDLER(Comment, (void *userData, const XML_Char *prefix), ("(O&)", STRING_CONV_FUNC,prefix)) VOID_HANDLER(StartCdataSection, (void *userData), ("()")) VOID_HANDLER(EndCdataSection, (void *userData), ("()")) #if PY_MAJOR_VERSION == 1 && PY_MINOR_VERSION < 6 VOID_HANDLER(Default, (void *userData, const XML_Char *s, int len), ("(N)", conv_string_len_to_utf8(s,len))) VOID_HANDLER(DefaultHandlerExpand, (void *userData, const XML_Char *s, int len), ("(N)", conv_string_len_to_utf8(s,len))) #else VOID_HANDLER(Default, (void *userData, const XML_Char *s, int len), ("(N)", (self->returns_unicode ? conv_string_len_to_unicode(s,len) : conv_string_len_to_utf8(s,len)))) VOID_HANDLER(DefaultHandlerExpand, (void *userData, const XML_Char *s, int len), ("(N)", (self->returns_unicode ? conv_string_len_to_unicode(s,len) : conv_string_len_to_utf8(s,len)))) #endif INT_HANDLER(NotStandalone, (void *userData), ("()")) RC_HANDLER(int, ExternalEntityRef, (XML_Parser parser, const XML_Char *context, const XML_Char *base, const XML_Char *systemId, const XML_Char *publicId), int rc=0;, ("(O&O&O&O&)", STRING_CONV_FUNC,context, STRING_CONV_FUNC,base, STRING_CONV_FUNC,systemId, STRING_CONV_FUNC,publicId), rc = PyInt_AsLong(rv);, rc, XML_GetUserData(parser)) /* ---------------------------------------------------------------- */ static char xmlparse_Parse__doc__[] = "Parse(data[, isfinal])\n\ Parse XML data. `isfinal' should be true at end of input."; static PyObject * xmlparse_Parse(xmlparseobject *self, PyObject *args) { char *s; int slen; int isFinal = 0; int rv; if (!PyArg_ParseTuple(args, "s#|i:Parse", &s, &slen, &isFinal)) return NULL; rv = XML_Parse(self->itself, s, slen, isFinal); if (PyErr_Occurred()) { return NULL; } else if (rv == 0) { PyErr_Format(ErrorObject, "%.200s: line %i, column %i", XML_ErrorString(XML_GetErrorCode(self->itself)), XML_GetErrorLineNumber(self->itself), XML_GetErrorColumnNumber(self->itself)); return NULL; } return PyInt_FromLong(rv); } /* File reading copied from cPickle */ #define BUF_SIZE 2048 static int readinst(char *buf, int buf_size, PyObject *meth) { PyObject *arg = NULL; PyObject *bytes = NULL; PyObject *str = NULL; int len = -1; if ((bytes = PyInt_FromLong(buf_size)) == NULL) goto finally; if ((arg = PyTuple_New(1)) == NULL) goto finally; PyTuple_SET_ITEM(arg, 0, bytes); if ((str = PyObject_CallObject(meth, arg)) == NULL) goto finally; /* XXX what to do if it returns a Unicode string? */ if (!PyString_Check(str)) { PyErr_Format(PyExc_TypeError, "read() did not return a string object (type=%.400s)", str->ob_type->tp_name); goto finally; } len = PyString_GET_SIZE(str); if (len > buf_size) { PyErr_Format(PyExc_ValueError, "read() returned too much data: " "%i bytes requested, %i returned", buf_size, len); Py_DECREF(str); goto finally; } memcpy(buf, PyString_AsString(str), len); finally: Py_XDECREF(arg); Py_XDECREF(str); return len; } static char xmlparse_ParseFile__doc__[] = "ParseFile(file)\n\ Parse XML data from file-like object."; static PyObject * xmlparse_ParseFile(xmlparseobject *self, PyObject *args) { int rv = 1; PyObject *f; FILE *fp; PyObject *readmethod = NULL; if (!PyArg_ParseTuple(args, "O:ParseFile", &f)) return NULL; if (PyFile_Check(f)) { fp = PyFile_AsFile(f); } else{ fp = NULL; readmethod = PyObject_GetAttrString(f, "read"); if (readmethod == NULL) { PyErr_Clear(); PyErr_SetString(PyExc_TypeError, "argument must have 'read' attribute"); return 0; } } for (;;) { int bytes_read; void *buf = XML_GetBuffer(self->itself, BUF_SIZE); if (buf == NULL) return PyErr_NoMemory(); if (fp) { bytes_read = fread(buf, sizeof(char), BUF_SIZE, fp); if (bytes_read < 0) { PyErr_SetFromErrno(PyExc_IOError); return NULL; } } else { bytes_read = readinst(buf, BUF_SIZE, readmethod); if (bytes_read < 0) return NULL; } rv = XML_ParseBuffer(self->itself, bytes_read, bytes_read == 0); if (PyErr_Occurred()) return NULL; if (!rv || bytes_read == 0) break; } return Py_BuildValue("i", rv); } static char xmlparse_SetBase__doc__[] = "SetBase(base_url)\n\ Set the base URL for the parser."; static PyObject * xmlparse_SetBase(xmlparseobject *self, PyObject *args) { char *base; if (!PyArg_ParseTuple(args, "s:SetBase", &base)) return NULL; if (!XML_SetBase(self->itself, base)) { return PyErr_NoMemory(); } Py_INCREF(Py_None); return Py_None; } static char xmlparse_GetBase__doc__[] = "GetBase() -> url\n\ Return base URL string for the parser."; static PyObject * xmlparse_GetBase(xmlparseobject *self, PyObject *args) { if (!PyArg_ParseTuple(args, ":GetBase")) return NULL; return Py_BuildValue("z", XML_GetBase(self->itself)); } static char xmlparse_ExternalEntityParserCreate__doc__[] = "ExternalEntityParserCreate(context, encoding)\n\ Create a parser for parsing an external entity based on the\n\ information passed to the ExternalEntityRefHandler."; static PyObject * xmlparse_ExternalEntityParserCreate(xmlparseobject *self, PyObject *args) { char *context; char *encoding = NULL; xmlparseobject *new_parser; int i; if (!PyArg_ParseTuple(args, "s|s:ExternalEntityParserCreate", &context, &encoding)) { return NULL; } #if PY_MAJOR_VERSION == 1 && PY_MINOR_VERSION < 6 new_parser = PyObject_NEW(xmlparseobject, &Xmlparsetype); if (new_parser == NULL) return NULL; new_parser->returns_unicode = 0; #else /* Code for versions 1.6 and later */ new_parser = PyObject_New(xmlparseobject, &Xmlparsetype); if (new_parser == NULL) return NULL; new_parser->returns_unicode = 1; #endif new_parser->itself = XML_ExternalEntityParserCreate(self->itself, context, encoding); if (!new_parser) { Py_DECREF(new_parser); return PyErr_NoMemory(); } XML_SetUserData(new_parser->itself, (void *)new_parser); /* allocate and clear handlers first */ for(i = 0; handler_info[i].name != NULL; i++) /* do nothing */; new_parser->handlers = malloc(sizeof(PyObject *)*i); clear_handlers(new_parser); /* then copy handlers from self */ for (i = 0; handler_info[i].name != NULL; i++) { if (self->handlers[i]) { Py_INCREF(self->handlers[i]); new_parser->handlers[i] = self->handlers[i]; handler_info[i].setter(new_parser->itself, handler_info[i].handler); } } return (PyObject *)new_parser; } static struct PyMethodDef xmlparse_methods[] = { {"Parse", (PyCFunction)xmlparse_Parse, METH_VARARGS, xmlparse_Parse__doc__}, {"ParseFile", (PyCFunction)xmlparse_ParseFile, METH_VARARGS, xmlparse_ParseFile__doc__}, {"SetBase", (PyCFunction)xmlparse_SetBase, METH_VARARGS, xmlparse_SetBase__doc__}, {"GetBase", (PyCFunction)xmlparse_GetBase, METH_VARARGS, xmlparse_GetBase__doc__}, {"ExternalEntityParserCreate", (PyCFunction)xmlparse_ExternalEntityParserCreate, METH_VARARGS, xmlparse_ExternalEntityParserCreate__doc__}, {NULL, NULL} /* sentinel */ }; /* ---------- */ static xmlparseobject * newxmlparseobject(char *encoding, char *namespace_separator) { int i; xmlparseobject *self; #if PY_MAJOR_VERSION == 1 && PY_MINOR_VERSION < 6 self = PyObject_NEW(xmlparseobject, &Xmlparsetype); if (self == NULL) return NULL; self->returns_unicode = 0; #else /* Code for versions 1.6 and later */ self = PyObject_New(xmlparseobject, &Xmlparsetype); if (self == NULL) return NULL; self->returns_unicode = 1; #endif if (namespace_separator) { self->itself = XML_ParserCreateNS(encoding, *namespace_separator); } else{ self->itself = XML_ParserCreate(encoding); } if (self->itself == NULL) { PyErr_SetString(PyExc_RuntimeError, "XML_ParserCreate failed"); Py_DECREF(self); return NULL; } XML_SetUserData(self->itself, (void *)self); for(i = 0; handler_info[i].name != NULL; i++) /* do nothing */; self->handlers = malloc(sizeof(PyObject *)*i); clear_handlers(self); return self; } static void xmlparse_dealloc(xmlparseobject *self) { int i; if (self->itself) XML_ParserFree(self->itself); self->itself = NULL; for (i=0; handler_info[i].name != NULL; i++) { Py_XDECREF(self->handlers[i]); } #if PY_MAJOR_VERSION == 1 && PY_MINOR_VERSION < 6 /* Code for versions before 1.6 */ free(self); #else /* Code for versions 1.6 and later */ PyObject_Del(self); #endif } static int handlername2int(const char *name) { int i; for (i=0; handler_info[i].name != NULL; i++) { if (strcmp(name, handler_info[i].name) == 0) { return i; } } return -1; } static PyObject * xmlparse_getattr(xmlparseobject *self, char *name) { int handlernum; if (strcmp(name, "ErrorCode") == 0) return Py_BuildValue("l", (long)XML_GetErrorCode(self->itself)); if (strcmp(name, "ErrorLineNumber") == 0) return Py_BuildValue("l", (long)XML_GetErrorLineNumber(self->itself)); if (strcmp(name, "ErrorColumnNumber") == 0) return Py_BuildValue("l", (long)XML_GetErrorColumnNumber(self->itself)); if (strcmp(name, "ErrorByteIndex") == 0) return Py_BuildValue("l", XML_GetErrorByteIndex(self->itself)); if (strcmp(name, "returns_unicode") == 0) return Py_BuildValue("i", self->returns_unicode); handlernum = handlername2int(name); if (handlernum != -1 && self->handlers[handlernum] != NULL) { Py_INCREF(self->handlers[handlernum]); return self->handlers[handlernum]; } if (strcmp(name, "__members__") == 0) { int i; PyObject *rc = PyList_New(0); for(i = 0; handler_info[i].name != NULL; i++) { PyList_Append(rc, PyString_FromString(handler_info[i].name)); } PyList_Append(rc, PyString_FromString("ErrorCode")); PyList_Append(rc, PyString_FromString("ErrorLineNumber")); PyList_Append(rc, PyString_FromString("ErrorColumnNumber")); PyList_Append(rc, PyString_FromString("ErrorByteIndex")); PyList_Append(rc, PyString_FromString("returns_unicode")); return rc; } return Py_FindMethod(xmlparse_methods, (PyObject *)self, name); } static int sethandler(xmlparseobject *self, const char *name, PyObject* v) { int handlernum = handlername2int(name); if (handlernum != -1) { Py_INCREF(v); Py_XDECREF(self->handlers[handlernum]); self->handlers[handlernum] = v; handler_info[handlernum].setter(self->itself, handler_info[handlernum].handler); return 1; } return 0; } static int xmlparse_setattr(xmlparseobject *self, char *name, PyObject *v) { /* Set attribute 'name' to value 'v'. v==NULL means delete */ if (v==NULL) { PyErr_SetString(PyExc_RuntimeError, "Cannot delete attribute"); return -1; } if (strcmp(name, "returns_unicode") == 0) { PyObject *intobj = PyNumber_Int(v); if (intobj == NULL) return -1; if (PyInt_AsLong(intobj)) { #if PY_MAJOR_VERSION == 1 && PY_MINOR_VERSION < 6 PyErr_SetString(PyExc_ValueError, "Cannot return Unicode strings in Python 1.5"); return -1; #else self->returns_unicode = 1; #endif } else self->returns_unicode = 0; Py_DECREF(intobj); return 0; } if (sethandler(self, name, v)) { return 0; } PyErr_SetString(PyExc_AttributeError, name); return -1; } static char Xmlparsetype__doc__[] = "XML parser"; static PyTypeObject Xmlparsetype = { PyObject_HEAD_INIT(NULL) 0, /*ob_size*/ "xmlparser", /*tp_name*/ sizeof(xmlparseobject), /*tp_basicsize*/ 0, /*tp_itemsize*/ /* methods */ (destructor)xmlparse_dealloc, /*tp_dealloc*/ (printfunc)0, /*tp_print*/ (getattrfunc)xmlparse_getattr, /*tp_getattr*/ (setattrfunc)xmlparse_setattr, /*tp_setattr*/ (cmpfunc)0, /*tp_compare*/ (reprfunc)0, /*tp_repr*/ 0, /*tp_as_number*/ 0, /*tp_as_sequence*/ 0, /*tp_as_mapping*/ (hashfunc)0, /*tp_hash*/ (ternaryfunc)0, /*tp_call*/ (reprfunc)0, /*tp_str*/ /* Space for future expansion */ 0L,0L,0L,0L, Xmlparsetype__doc__ /* Documentation string */ }; /* End of code for xmlparser objects */ /* -------------------------------------------------------- */ static char pyexpat_ParserCreate__doc__[] = "ParserCreate([encoding[, namespace_separator]]) -> parser\n\ Return a new XML parser object."; static PyObject * pyexpat_ParserCreate(PyObject *notused, PyObject *args, PyObject *kw) { char *encoding = NULL; char *namespace_separator = NULL; static char *kwlist[] = {"encoding", "namespace_separator", NULL}; if (!PyArg_ParseTupleAndKeywords(args, kw, "|zz:ParserCreate", kwlist, &encoding, &namespace_separator)) return NULL; if (namespace_separator != NULL && strlen(namespace_separator) != 1) { PyErr_SetString(PyExc_ValueError, "namespace_separator must be one character," " omitted, or None"); return NULL; } return (PyObject *)newxmlparseobject(encoding, namespace_separator); } static char pyexpat_ErrorString__doc__[] = "ErrorString(errno) -> string\n\ Returns string error for given number."; static PyObject * pyexpat_ErrorString(PyObject *self, PyObject *args) { long code = 0; if (!PyArg_ParseTuple(args, "l:ErrorString", &code)) return NULL; return Py_BuildValue("z", XML_ErrorString((int)code)); } /* List of methods defined in the module */ static struct PyMethodDef pyexpat_methods[] = { {"ParserCreate", (PyCFunction)pyexpat_ParserCreate, METH_VARARGS|METH_KEYWORDS, pyexpat_ParserCreate__doc__}, {"ErrorString", (PyCFunction)pyexpat_ErrorString, METH_VARARGS, pyexpat_ErrorString__doc__}, {NULL, (PyCFunction)NULL, 0, NULL} /* sentinel */ }; /* Module docstring */ static char pyexpat_module_documentation[] = "Python wrapper for Expat parser."; /* Initialization function for the module */ void initpyexpat(void); /* avoid compiler warnings */ #if PY_VERSION_HEX < 0x2000000 /* 1.5 compatibility: PyModule_AddObject */ static int PyModule_AddObject(PyObject *m, char *name, PyObject *o) { PyObject *dict; if (!PyModule_Check(m) || o == NULL) return -1; dict = PyModule_GetDict(m); if (dict == NULL) return -1; if (PyDict_SetItemString(dict, name, o)) return -1; Py_DECREF(o); return 0; } static int PyModule_AddStringConstant(PyObject *m, char *name, char *value) { return PyModule_AddObject(m, name, PyString_FromString(value)); } #endif DL_EXPORT(void) initpyexpat(void) { PyObject *m, *d; char *rev = "$Revision$"; PyObject *errmod_name = PyString_FromString("pyexpat.errors"); PyObject *errors_module, *errors_dict; PyObject *sys_modules; if (errmod_name == NULL) return; Xmlparsetype.ob_type = &PyType_Type; /* Create the module and add the functions */ m = Py_InitModule4("pyexpat", pyexpat_methods, pyexpat_module_documentation, (PyObject*)NULL, PYTHON_API_VERSION); /* Add some symbolic constants to the module */ if (ErrorObject == NULL) ErrorObject = PyErr_NewException("xml.parsers.expat.error", NULL, NULL); PyModule_AddObject(m, "error", ErrorObject); Py_INCREF(&Xmlparsetype); PyModule_AddObject(m, "XMLParserType", (PyObject *) &Xmlparsetype); PyModule_AddObject(m, "__version__", PyString_FromStringAndSize(rev+11, strlen(rev+11)-2)); /* XXX When Expat supports some way of figuring out how it was compiled, this should check and set native_encoding appropriately. */ PyModule_AddStringConstant(m, "native_encoding", "UTF-8"); d = PyModule_GetDict(m); errors_module = PyDict_GetItem(d, errmod_name); if (errors_module == NULL) { errors_module = PyModule_New("pyexpat.errors"); if (errors_module != NULL) { sys_modules = PySys_GetObject("modules"); PyDict_SetItem(sys_modules, errmod_name, errors_module); /* gives away the reference to errors_module */ PyModule_AddObject(m, "errors", errors_module); } } Py_DECREF(errmod_name); if (errors_module == NULL) /* Don't code dump later! */ return; errors_dict = PyModule_GetDict(errors_module); #define MYCONST(name) \ PyModule_AddStringConstant(errors_module, #name, \ (char*)XML_ErrorString(name)) MYCONST(XML_ERROR_NO_MEMORY); MYCONST(XML_ERROR_SYNTAX); MYCONST(XML_ERROR_NO_ELEMENTS); MYCONST(XML_ERROR_INVALID_TOKEN); MYCONST(XML_ERROR_UNCLOSED_TOKEN); MYCONST(XML_ERROR_PARTIAL_CHAR); MYCONST(XML_ERROR_TAG_MISMATCH); MYCONST(XML_ERROR_DUPLICATE_ATTRIBUTE); MYCONST(XML_ERROR_JUNK_AFTER_DOC_ELEMENT); MYCONST(XML_ERROR_PARAM_ENTITY_REF); MYCONST(XML_ERROR_UNDEFINED_ENTITY); MYCONST(XML_ERROR_RECURSIVE_ENTITY_REF); MYCONST(XML_ERROR_ASYNC_ENTITY); MYCONST(XML_ERROR_BAD_CHAR_REF); MYCONST(XML_ERROR_BINARY_ENTITY_REF); MYCONST(XML_ERROR_ATTRIBUTE_EXTERNAL_ENTITY_REF); MYCONST(XML_ERROR_MISPLACED_XML_PI); MYCONST(XML_ERROR_UNKNOWN_ENCODING); MYCONST(XML_ERROR_INCORRECT_ENCODING); #undef MYCONST } static void clear_handlers(xmlparseobject *self) { int i = 0; for (; handler_info[i].name!=NULL; i++) { self->handlers[i]=NULL; handler_info[i].setter(self->itself, NULL); } } typedef void (*pairsetter)(XML_Parser, void *handler1, void *handler2); static void pyxml_UpdatePairedHandlers(xmlparseobject *self, int startHandler, int endHandler, pairsetter setter) { void *start_handler=NULL; void *end_handler=NULL; if (self->handlers[startHandler] && self->handlers[endHandler]!=Py_None) { start_handler=handler_info[startHandler].handler; } if (self->handlers[EndElement] && self->handlers[EndElement] !=Py_None) { end_handler=handler_info[endHandler].handler; } setter(self->itself, start_handler, end_handler); } static void pyxml_SetStartElementHandler(XML_Parser *parser, void *junk) { pyxml_UpdatePairedHandlers((xmlparseobject *)XML_GetUserData(parser), StartElement, EndElement, (pairsetter)XML_SetElementHandler); } static void pyxml_SetEndElementHandler(XML_Parser *parser, void *junk) { pyxml_UpdatePairedHandlers((xmlparseobject *)XML_GetUserData(parser), StartElement, EndElement, (pairsetter)XML_SetElementHandler); } static void pyxml_SetStartNamespaceDeclHandler(XML_Parser *parser, void *junk) { pyxml_UpdatePairedHandlers((xmlparseobject *)XML_GetUserData(parser), StartNamespaceDecl, EndNamespaceDecl, (pairsetter)XML_SetNamespaceDeclHandler); } static void pyxml_SetEndNamespaceDeclHandler(XML_Parser *parser, void *junk) { pyxml_UpdatePairedHandlers((xmlparseobject *)XML_GetUserData(parser), StartNamespaceDecl, EndNamespaceDecl, (pairsetter)XML_SetNamespaceDeclHandler); } static void pyxml_SetStartCdataSection(XML_Parser *parser, void *junk) { pyxml_UpdatePairedHandlers((xmlparseobject *)XML_GetUserData(parser), StartCdataSection, EndCdataSection, (pairsetter)XML_SetCdataSectionHandler); } static void pyxml_SetEndCdataSection(XML_Parser *parser, void *junk) { pyxml_UpdatePairedHandlers((xmlparseobject *)XML_GetUserData(parser), StartCdataSection, EndCdataSection, (pairsetter)XML_SetCdataSectionHandler); } statichere struct HandlerInfo handler_info[] = { {"StartElementHandler", pyxml_SetStartElementHandler, (xmlhandler)my_StartElementHandler}, {"EndElementHandler", pyxml_SetEndElementHandler, (xmlhandler)my_EndElementHandler}, {"ProcessingInstructionHandler", (xmlhandlersetter)XML_SetProcessingInstructionHandler, (xmlhandler)my_ProcessingInstructionHandler}, {"CharacterDataHandler", (xmlhandlersetter)XML_SetCharacterDataHandler, (xmlhandler)my_CharacterDataHandler}, {"UnparsedEntityDeclHandler", (xmlhandlersetter)XML_SetUnparsedEntityDeclHandler, (xmlhandler)my_UnparsedEntityDeclHandler }, {"NotationDeclHandler", (xmlhandlersetter)XML_SetNotationDeclHandler, (xmlhandler)my_NotationDeclHandler }, {"StartNamespaceDeclHandler", pyxml_SetStartNamespaceDeclHandler, (xmlhandler)my_StartNamespaceDeclHandler }, {"EndNamespaceDeclHandler", pyxml_SetEndNamespaceDeclHandler, (xmlhandler)my_EndNamespaceDeclHandler }, {"CommentHandler", (xmlhandlersetter)XML_SetCommentHandler, (xmlhandler)my_CommentHandler}, {"StartCdataSectionHandler", pyxml_SetStartCdataSection, (xmlhandler)my_StartCdataSectionHandler}, {"EndCdataSectionHandler", pyxml_SetEndCdataSection, (xmlhandler)my_EndCdataSectionHandler}, {"DefaultHandler", (xmlhandlersetter)XML_SetDefaultHandler, (xmlhandler)my_DefaultHandler}, {"DefaultHandlerExpand", (xmlhandlersetter)XML_SetDefaultHandlerExpand, (xmlhandler)my_DefaultHandlerExpandHandler}, {"NotStandaloneHandler", (xmlhandlersetter)XML_SetNotStandaloneHandler, (xmlhandler)my_NotStandaloneHandler}, {"ExternalEntityRefHandler", (xmlhandlersetter)XML_SetExternalEntityRefHandler, (xmlhandler)my_ExternalEntityRefHandler }, {NULL, NULL, NULL} /* sentinel */ };