#include "Python.h" #if PY_VERSION_HEX < 0x020000B1 #include #endif #include #include "compile.h" #include "frameobject.h" #ifdef HAVE_EXPAT_H #include "expat.h" #ifdef XML_MAJOR_VERSION #define EXPAT_VERSION (0x10000 * XML_MAJOR_VERSION \ + 0x100 * XML_MINOR_VERSION \ + XML_MICRO_VERSION) #else /* Assume the oldest Expat that used expat.h and did not have version info */ #define EXPAT_VERSION 0x015f00 #endif #else /* !defined(HAVE_EXPAT_H) */ #include "xmlparse.h" /* Assume Expat 1.1 unless told otherwise */ #ifndef EXPAT_VERSION #define EXPAT_VERSION 0x010100 #endif #endif /* !defined(HAVE_EXPAT_H) */ #ifndef PyGC_HEAD_SIZE #define PyGC_HEAD_SIZE 0 #define PyObject_GC_Init(x) #define PyObject_GC_Fini(m) #define Py_TPFLAGS_GC 0 #endif #if (PY_MAJOR_VERSION == 1 && PY_MINOR_VERSION > 5) || (PY_MAJOR_VERSION == 2 && PY_MINOR_VERSION < 2) /* In Python 1.6, 2.0 and 2.1, disabling Unicode was not possible. */ #define Py_USING_UNICODE #endif enum HandlerTypes { StartElement, EndElement, ProcessingInstruction, CharacterData, UnparsedEntityDecl, NotationDecl, StartNamespaceDecl, EndNamespaceDecl, Comment, StartCdataSection, EndCdataSection, Default, DefaultHandlerExpand, NotStandalone, ExternalEntityRef, #if EXPAT_VERSION >= 0x010200 StartDoctypeDecl, EndDoctypeDecl, #endif #if EXPAT_VERSION == 0x010200 ExternalParsedEntityDecl, InternalParsedEntityDecl, #endif #if EXPAT_VERSION >= 0x015f00 EntityDecl, XmlDecl, ElementDecl, AttlistDecl, #endif _DummyDecl }; 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 */ int ordered_attributes; /* Return attributes as a list. */ int specified_attributes; /* Report only specified attributes. */ int in_callback; /* Is a callback active? */ 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; PyCodeObject *tb_code; }; staticforward struct HandlerInfo handler_info[64]; /* Set an integer attribute on the error object; return true on success, * false on an exception. */ static int set_error_attr(PyObject *err, char *name, int value) { PyObject *v = PyInt_FromLong(value); if (v != NULL && PyObject_SetAttrString(err, name, v) == -1) { Py_DECREF(v); return 0; } return 1; } /* Build and set an Expat exception, including positioning * information. Always returns NULL. */ static PyObject * set_error(xmlparseobject *self) { PyObject *err; char buffer[256]; XML_Parser parser = self->itself; int lineno = XML_GetErrorLineNumber(parser); int column = XML_GetErrorColumnNumber(parser); enum XML_Error code = XML_GetErrorCode(parser); PyOS_snprintf(buffer, sizeof(buffer), "%.200s: line %i, column %i", XML_ErrorString(code), lineno, column); err = PyObject_CallFunction(ErrorObject, "s", buffer); if ( err != NULL && set_error_attr(err, "code", code) && set_error_attr(err, "offset", column) && set_error_attr(err, "lineno", lineno)) { PyErr_SetObject(ErrorObject, err); } return NULL; } #if EXPAT_VERSION == 0x010200 /* 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; } #endif #ifdef Py_USING_UNICODE #if EXPAT_VERSION == 0x010200 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; } #endif /* 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, int initial); static void flag_error(xmlparseobject *self) { clear_handlers(self, 0); } static PyCodeObject* getcode(enum HandlerTypes slot, char* func_name, int lineno) { PyObject *code = NULL; PyObject *name = NULL; PyObject *nulltuple = NULL; PyObject *filename = NULL; if (handler_info[slot].tb_code == NULL) { code = PyString_FromString(""); if (code == NULL) goto failed; name = PyString_FromString(func_name); if (name == NULL) goto failed; nulltuple = PyTuple_New(0); if (nulltuple == NULL) goto failed; filename = PyString_FromString(__FILE__); handler_info[slot].tb_code = PyCode_New(0, /* argcount */ 0, /* nlocals */ 0, /* stacksize */ 0, /* flags */ code, /* code */ nulltuple, /* consts */ nulltuple, /* names */ nulltuple, /* varnames */ #if PYTHON_API_VERSION >= 1010 nulltuple, /* freevars */ nulltuple, /* cellvars */ #endif filename, /* filename */ name, /* name */ lineno, /* firstlineno */ code /* lnotab */ ); if (handler_info[slot].tb_code == NULL) goto failed; Py_DECREF(code); Py_DECREF(nulltuple); Py_DECREF(filename); Py_DECREF(name); } return handler_info[slot].tb_code; failed: Py_XDECREF(code); Py_XDECREF(name); return NULL; } static int trace_frame(PyThreadState *tstate, PyFrameObject *f, int code, PyObject *val) { int result = 0; if (!tstate->use_tracing || tstate->tracing) return 0; if (tstate->c_profilefunc != NULL) { tstate->tracing++; result = tstate->c_profilefunc(tstate->c_profileobj, f, code , val); tstate->use_tracing = ((tstate->c_tracefunc != NULL) || (tstate->c_profilefunc != NULL)); tstate->tracing--; if (result) return result; } if (tstate->c_tracefunc != NULL) { tstate->tracing++; result = tstate->c_tracefunc(tstate->c_traceobj, f, code , val); tstate->use_tracing = ((tstate->c_tracefunc != NULL) || (tstate->c_profilefunc != NULL)); tstate->tracing--; } return result; } static PyObject* call_with_frame(PyCodeObject *c, PyObject* func, PyObject* args) { PyThreadState *tstate = PyThreadState_GET(); PyFrameObject *f; PyObject *res; if (c == NULL) return NULL; f = PyFrame_New( tstate, /*back*/ c, /*code*/ PyEval_GetGlobals(), /*globals*/ NULL /*locals*/ ); if (f == NULL) return NULL; tstate->frame = f; if (trace_frame(tstate, f, PyTrace_CALL, Py_None)) { Py_DECREF(f); return NULL; } res = PyEval_CallObject(func, args); if (res == NULL && tstate->curexc_traceback == NULL) PyTraceBack_Here(f); else { if (trace_frame(tstate, f, PyTrace_RETURN, res)) { Py_XDECREF(res); res = NULL; } } tstate->frame = f->f_back; Py_DECREF(f); return res; } #ifndef Py_USING_UNICODE #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 static void my_StartElementHandler(void *userData, const XML_Char *name, const XML_Char **atts) { xmlparseobject *self = (xmlparseobject *)userData; if (self->handlers[StartElement] && self->handlers[StartElement] != Py_None) { PyObject *container, *rv, *args; int i, max; /* Set max to the number of slots filled in atts[]; max/2 is * the number of attributes we need to process. */ if (self->specified_attributes) { max = XML_GetSpecifiedAttributeCount(self->itself); } else { max = 0; while (atts[max] != NULL) max += 2; } /* Build the container. */ if (self->ordered_attributes) container = PyList_New(max); else container = PyDict_New(); if (container == NULL) { flag_error(self); return; } for (i = 0; i < max; i += 2) { PyObject *n = STRING_CONV_FUNC((XML_Char *) atts[i]); PyObject *v; if (n == NULL) { flag_error(self); Py_DECREF(container); return; } v = STRING_CONV_FUNC((XML_Char *) atts[i+1]); if (v == NULL) { flag_error(self); Py_DECREF(container); Py_DECREF(n); return; } if (self->ordered_attributes) { PyList_SET_ITEM(container, i, n); PyList_SET_ITEM(container, i+1, v); } else if (PyDict_SetItem(container, n, v)) { flag_error(self); Py_DECREF(n); Py_DECREF(v); return; } else { Py_DECREF(n); Py_DECREF(v); } } args = Py_BuildValue("(O&N)", STRING_CONV_FUNC,name, container); if (args == NULL) { Py_DECREF(container); return; } /* Container is now a borrowed reference; ignore it. */ self->in_callback = 1; rv = call_with_frame(getcode(StartElement, "StartElement", __LINE__), self->handlers[StartElement], args); self->in_callback = 0; Py_DECREF(args); if (rv == NULL) { flag_error(self); return; } Py_DECREF(rv); } } #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) { flag_error(self); return RETURN;} \ self->in_callback = 1; \ rv = call_with_frame(getcode(NAME,#NAME,__LINE__), \ self->handlers[NAME], args); \ self->in_callback = 0; \ Py_DECREF(args); \ if (rv == NULL) { \ flag_error(self); \ return RETURN; \ } \ CONVERSION \ Py_DECREF(rv); \ } \ return RETURN; \ } #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) 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)) #ifndef Py_USING_UNICODE 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)) #if EXPAT_VERSION >= 0x015f00 #ifndef Py_USING_UNICODE VOID_HANDLER(EntityDecl, (void *userData, const XML_Char *entityName, int is_parameter_entity, const XML_Char *value, int value_length, const XML_Char *base, const XML_Char *systemId, const XML_Char *publicId, const XML_Char *notationName), ("O&iNO&O&O&O&", STRING_CONV_FUNC,entityName, is_parameter_entity, conv_string_len_to_utf8(value, value_length), STRING_CONV_FUNC,base, STRING_CONV_FUNC,systemId, STRING_CONV_FUNC,publicId, STRING_CONV_FUNC,notationName)) #else VOID_HANDLER(EntityDecl, (void *userData, const XML_Char *entityName, int is_parameter_entity, const XML_Char *value, int value_length, const XML_Char *base, const XML_Char *systemId, const XML_Char *publicId, const XML_Char *notationName), ("O&iNO&O&O&O&", STRING_CONV_FUNC,entityName, is_parameter_entity, (self->returns_unicode ? conv_string_len_to_unicode(value, value_length) : conv_string_len_to_utf8(value, value_length)), STRING_CONV_FUNC,base, STRING_CONV_FUNC,systemId, STRING_CONV_FUNC,publicId, STRING_CONV_FUNC,notationName)) #endif VOID_HANDLER(XmlDecl, (void *userData, const XML_Char *version, const XML_Char *encoding, int standalone), ("(O&O&i)", STRING_CONV_FUNC,version, STRING_CONV_FUNC,encoding, standalone)) static PyObject * conv_content_model(XML_Content * const model, PyObject *(*conv_string)(XML_Char *)) { PyObject *result = NULL; PyObject *children = PyTuple_New(model->numchildren); int i; if (children != NULL) { assert(model->numchildren < INT_MAX); for (i = 0; i < (int)model->numchildren; ++i) { PyObject *child = conv_content_model(&model->children[i], conv_string); if (child == NULL) { Py_XDECREF(children); return NULL; } PyTuple_SET_ITEM(children, i, child); } result = Py_BuildValue("(iiO&N)", model->type, model->quant, conv_string,model->name, children); } return result; } static void my_ElementDeclHandler(void *userData, const XML_Char *name, XML_Content *model) { xmlparseobject *self = (xmlparseobject *)userData; PyObject *args = NULL; if (self->handlers[ElementDecl] != NULL && self->handlers[ElementDecl] != Py_None) { PyObject *rv = NULL; PyObject *modelobj, *nameobj; #ifdef Py_USING_UNICODE modelobj = conv_content_model(model, (self->returns_unicode ? conv_string_to_unicode : conv_string_to_utf8)); #else modelobj = conv_content_model(model, conv_string_to_utf8); #endif if (modelobj == NULL) { flag_error(self); goto finally; } nameobj = PyString_FromString(name); if (nameobj == NULL) { Py_DECREF(modelobj); flag_error(self); goto finally; } args = Py_BuildValue("NN", nameobj, modelobj); if (args == NULL) { Py_DECREF(modelobj); flag_error(self); goto finally; } self->in_callback = 1; rv = call_with_frame(getcode(ElementDecl, "ElementDecl", __LINE__), self->handlers[ElementDecl], args); self->in_callback = 0; if (rv == NULL) { flag_error(self); goto finally; } Py_DECREF(rv); } finally: Py_XDECREF(args); /* XML_FreeContentModel() was introduced in Expat 1.95.6. */ #if EXPAT_VERSION >= 0x015f06 XML_FreeContentModel(self->itself, model); #else free(model); #endif return; } VOID_HANDLER(AttlistDecl, (void *userData, const XML_Char *elname, const XML_Char *attname, const XML_Char *att_type, const XML_Char *dflt, int isrequired), ("(O&O&O&O&i)", STRING_CONV_FUNC,elname, STRING_CONV_FUNC,attname, STRING_CONV_FUNC,att_type, STRING_CONV_FUNC,dflt, isrequired)) #endif 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), ("()")) #ifndef Py_USING_UNICODE 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)) /* XXX UnknownEncodingHandler */ #if EXPAT_VERSION == 0x010200 VOID_HANDLER(StartDoctypeDecl, (void *userData, const XML_Char *doctypeName), ("(O&OOi)", STRING_CONV_FUNC,doctypeName, Py_None, Py_None, -1)) #elif EXPAT_VERSION >= 0x015f00 VOID_HANDLER(StartDoctypeDecl, (void *userData, const XML_Char *doctypeName, const XML_Char *sysid, const XML_Char *pubid, int has_internal_subset), ("(O&O&O&i)", STRING_CONV_FUNC,doctypeName, STRING_CONV_FUNC,sysid, STRING_CONV_FUNC,pubid, has_internal_subset)) #endif #if EXPAT_VERSION >= 0x010200 VOID_HANDLER(EndDoctypeDecl, (void *userData), ("()")) #endif #if EXPAT_VERSION == 0x010200 VOID_HANDLER(ExternalParsedEntityDecl, (void *userData, const XML_Char *entityName, const XML_Char *base, const XML_Char *systemId, const XML_Char *publicId), ("(O&O&O&O&)", STRING_CONV_FUNC, entityName, STRING_CONV_FUNC, base, STRING_CONV_FUNC, systemId, STRING_CONV_FUNC, publicId)) VOID_HANDLER(InternalParsedEntityDecl, (void *userData, const XML_Char *entityName, const XML_Char *replacementText, int replacementTextLength), ("(O&O&i)", STRING_CONV_FUNC, entityName, STRING_CONV_FUNC, replacementText, replacementTextLength)) #endif /* Expat version 1.2 & better */ /* ---------------------------------------------------------------- */ 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) { return set_error(self); } 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; } if (rv == 0) { return set_error(self); } 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)); } #if EXPAT_VERSION >= 0x015f00 static char xmlparse_GetInputContext__doc__[] = "GetInputContext() -> string\n\ Return the untranslated text of the input that caused the current event.\n\ If the event was generated by a large amount of text (such as a start tag\n\ for an element with many attributes), not all of the text may be available."; static PyObject * xmlparse_GetInputContext(xmlparseobject *self, PyObject *args) { PyObject *result = NULL; if (PyArg_ParseTuple(args, ":GetInputContext")) { if (self->in_callback) { int offset, size; const char *buffer = XML_GetInputContext(self->itself, &offset, &size); if (buffer != NULL) result = PyString_FromStringAndSize(buffer + offset, size); else { result = Py_None; Py_INCREF(result); } } else { result = Py_None; Py_INCREF(result); } } return result; } #endif 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, "z|s:ExternalEntityParserCreate", &context, &encoding)) { return NULL; } #if PY_MAJOR_VERSION == 1 && PY_MINOR_VERSION < 6 new_parser = PyObject_NEW(xmlparseobject, &Xmlparsetype); #else #ifndef Py_TPFLAGS_HAVE_GC /* Python versions 1.6 to 2.1 */ new_parser = PyObject_New(xmlparseobject, &Xmlparsetype); #else /* Python versions 2.2 and later */ new_parser = PyObject_GC_New(xmlparseobject, &Xmlparsetype); #endif #endif if (new_parser == NULL) return NULL; new_parser->returns_unicode = self->returns_unicode; new_parser->ordered_attributes = self->ordered_attributes; new_parser->specified_attributes = self->specified_attributes; new_parser->in_callback = 0; new_parser->itself = XML_ExternalEntityParserCreate(self->itself, context, encoding); new_parser->handlers = 0; #ifdef Py_TPFLAGS_HAVE_GC PyObject_GC_Track(new_parser); #else PyObject_GC_Init(new_parser); #endif if (!new_parser->itself) { 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); if (!new_parser->handlers) { Py_DECREF(new_parser); return PyErr_NoMemory(); } clear_handlers(new_parser, 1); /* 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; } #if EXPAT_VERSION >= 0x010200 static char xmlparse_SetParamEntityParsing__doc__[] = "SetParamEntityParsing(flag) -> success\n\ Controls parsing of parameter entities (including the external DTD\n\ subset). Possible flag values are XML_PARAM_ENTITY_PARSING_NEVER,\n\ XML_PARAM_ENTITY_PARSING_UNLESS_STANDALONE and\n\ XML_PARAM_ENTITY_PARSING_ALWAYS. Returns true if setting the flag\n\ was successful."; static PyObject* xmlparse_SetParamEntityParsing(xmlparseobject *p, PyObject* args) { int flag; if (!PyArg_ParseTuple(args, "i", &flag)) return NULL; flag = XML_SetParamEntityParsing(p->itself, flag); return PyInt_FromLong(flag); } #endif /* Expat version 1.2 or better */ 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__}, #if EXPAT_VERSION >= 0x010200 {"SetParamEntityParsing", (PyCFunction)xmlparse_SetParamEntityParsing, METH_VARARGS, xmlparse_SetParamEntityParsing__doc__}, #endif #if EXPAT_VERSION >= 0x015f00 {"GetInputContext", (PyCFunction)xmlparse_GetInputContext, METH_VARARGS, xmlparse_GetInputContext__doc__}, #endif {NULL, NULL} /* sentinel */ }; /* ---------- */ #ifdef Py_USING_UNICODE /* pyexpat international encoding support. Make it as simple as possible. */ static char template_buffer[257]; PyObject *template_string = NULL; static void init_template_buffer(void) { int i; for (i = 0; i < 256; i++) { template_buffer[i] = i; } template_buffer[256] = 0; } int PyUnknownEncodingHandler(void *encodingHandlerData, const XML_Char *name, XML_Encoding * info) { PyUnicodeObject *_u_string = NULL; int result = 0; int i; /* Yes, supports only 8bit encodings */ _u_string = (PyUnicodeObject *) PyUnicode_Decode(template_buffer, 256, name, "replace"); if (_u_string == NULL) return result; for (i = 0; i < 256; i++) { /* Stupid to access directly, but fast */ Py_UNICODE c = _u_string->str[i]; if (c == Py_UNICODE_REPLACEMENT_CHARACTER) info->map[i] = -1; else info->map[i] = c; } info->data = NULL; info->convert = NULL; info->release = NULL; result=1; Py_DECREF(_u_string); return result; } #endif static PyObject * 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 */ #ifdef Py_TPFLAGS_HAVE_GC /* Code for versions 2.2 and later */ self = PyObject_GC_New(xmlparseobject, &Xmlparsetype); #else self = PyObject_New(xmlparseobject, &Xmlparsetype); #endif if (self == NULL) return NULL; self->returns_unicode = 1; #endif self->ordered_attributes = 0; self->specified_attributes = 0; self->in_callback = 0; self->handlers = NULL; if (namespace_separator != NULL) { self->itself = XML_ParserCreateNS(encoding, *namespace_separator); } else { self->itself = XML_ParserCreate(encoding); } #ifdef Py_TPFLAGS_HAVE_GC PyObject_GC_Track(self); #else PyObject_GC_Init(self); #endif if (self->itself == NULL) { PyErr_SetString(PyExc_RuntimeError, "XML_ParserCreate failed"); Py_DECREF(self); return NULL; } XML_SetUserData(self->itself, (void *)self); #ifdef Py_USING_UNICODE XML_SetUnknownEncodingHandler(self->itself, (XML_UnknownEncodingHandler) PyUnknownEncodingHandler, NULL); #endif for(i = 0; handler_info[i].name != NULL; i++) /* do nothing */; self->handlers = malloc(sizeof(PyObject *)*i); if (!self->handlers){ Py_DECREF(self); return PyErr_NoMemory(); } clear_handlers(self, 1); return (PyObject*)self; } static void xmlparse_dealloc(xmlparseobject *self) { int i; #ifdef Py_TPFLAGS_HAVE_GC PyObject_GC_UnTrack(self); #else PyObject_GC_Fini(self); #endif if (self->itself != NULL) XML_ParserFree(self->itself); self->itself = NULL; if (self->handlers != NULL) { PyObject *temp; for (i = 0; handler_info[i].name != NULL; i++) { temp = self->handlers[i]; self->handlers[i] = NULL; Py_XDECREF(temp); } free(self->handlers); } #if PY_MAJOR_VERSION == 1 && PY_MINOR_VERSION < 6 /* Code for versions before 1.6 */ free(self); #else #ifndef Py_TPFLAGS_HAVE_GC /* Code for versions 1.6 to 2.1 */ PyObject_Del(self); #else /* Code for versions 2.2 and later. */ PyObject_GC_Del(self); #endif #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 PyInt_FromLong((long) XML_GetErrorCode(self->itself)); if (strcmp(name, "ErrorLineNumber") == 0) return PyInt_FromLong((long) XML_GetErrorLineNumber(self->itself)); if (strcmp(name, "ErrorColumnNumber") == 0) return PyInt_FromLong((long) XML_GetErrorColumnNumber(self->itself)); if (strcmp(name, "ErrorByteIndex") == 0) return PyInt_FromLong((long) XML_GetErrorByteIndex(self->itself)); if (strcmp(name, "ordered_attributes") == 0) return PyInt_FromLong((long) self->ordered_attributes); if (strcmp(name, "returns_unicode") == 0) return PyInt_FromLong((long) self->returns_unicode); if (strcmp(name, "specified_attributes") == 0) return PyInt_FromLong((long) self->specified_attributes); handlernum = handlername2int(name); if (handlernum != -1 && self->handlers[handlernum] != NULL) { Py_INCREF(self->handlers[handlernum]); return self->handlers[handlernum]; } #define APPEND(list, str) \ do { \ PyObject *o = PyString_FromString(str); \ if (o != NULL) \ PyList_Append(list, o); \ Py_XDECREF(o); \ } while (0) if (strcmp(name, "__members__") == 0) { int i; PyObject *rc = PyList_New(0); for (i = 0; handler_info[i].name != NULL; i++) { APPEND(rc, handler_info[i].name); } APPEND(rc, "ErrorCode"); APPEND(rc, "ErrorLineNumber"); APPEND(rc, "ErrorColumnNumber"); APPEND(rc, "ErrorByteIndex"); APPEND(rc, "ordered_attributes"); APPEND(rc, "returns_unicode"); APPEND(rc, "specified_attributes"); #undef APPEND 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, "ordered_attributes") == 0) { if (PyObject_IsTrue(v)) self->ordered_attributes = 1; else self->ordered_attributes = 0; return 0; } if (strcmp(name, "returns_unicode") == 0) { if (PyObject_IsTrue(v)) { #ifndef Py_USING_UNICODE 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; return 0; } if (strcmp(name, "specified_attributes") == 0) { if (PyObject_IsTrue(v)) self->specified_attributes = 1; else self->specified_attributes = 0; return 0; } if (sethandler(self, name, v)) { return 0; } PyErr_SetString(PyExc_AttributeError, name); return -1; } #ifdef WITH_CYCLE_GC static int xmlparse_traverse(xmlparseobject *op, visitproc visit, void *arg) { int i, err; for (i = 0; handler_info[i].name != NULL; i++) { if (!op->handlers[i]) continue; err = visit(op->handlers[i], arg); if (err) return err; } return 0; } static int xmlparse_clear(xmlparseobject *op) { clear_handlers(op, 0); return 0; } #endif static char Xmlparsetype__doc__[] = "XML parser"; static PyTypeObject Xmlparsetype = { PyObject_HEAD_INIT(NULL) 0, /*ob_size*/ "pyexpat.xmlparser", /*tp_name*/ sizeof(xmlparseobject) + PyGC_HEAD_SIZE,/*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*/ 0, /* tp_getattro */ 0, /* tp_setattro */ 0, /* tp_as_buffer */ #ifdef Py_TPFLAGS_HAVE_GC Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC, /*tp_flags*/ #else Py_TPFLAGS_DEFAULT | Py_TPFLAGS_GC, /*tp_flags*/ #endif Xmlparsetype__doc__, /* Documentation string */ #ifdef WITH_CYCLE_GC (traverseproc)xmlparse_traverse, /* tp_traverse */ (inquiry)xmlparse_clear /* tp_clear */ #else 0, 0 #endif }; /* 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 at most one" " character, omitted, or None"); return NULL; } return 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."; #if PY_VERSION_HEX < 0x20000F0 /* 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; } int PyModule_AddIntConstant(PyObject *m, char *name, long value) { return PyModule_AddObject(m, name, PyInt_FromLong(value)); } static int PyModule_AddStringConstant(PyObject *m, char *name, char *value) { return PyModule_AddObject(m, name, PyString_FromString(value)); } #endif /* Return a Python string that represents the version number without the * extra cruft added by revision control, even if the right options were * given to the "cvs export" command to make it not include the extra * cruft. */ static PyObject * get_version_string(void) { static char *rcsid = "$Revision$"; char *rev = rcsid; int i = 0; while (!isdigit(*rev)) ++rev; while (rev[i] != ' ' && rev[i] != '\0') ++i; return PyString_FromStringAndSize(rev, i); } /* Initialization function for the module */ #ifndef MODULE_NAME #define MODULE_NAME "pyexpat" #endif #ifndef MODULE_INITFUNC #define MODULE_INITFUNC initpyexpat #endif void MODULE_INITFUNC(void); /* avoid compiler warnings */ DL_EXPORT(void) MODULE_INITFUNC(void) { PyObject *m, *d; PyObject *errmod_name = PyString_FromString(MODULE_NAME ".errors"); PyObject *errors_module; PyObject *modelmod_name; PyObject *model_module; PyObject *sys_modules; if (errmod_name == NULL) return; modelmod_name = PyString_FromString(MODULE_NAME ".model"); if (modelmod_name == NULL) return; Xmlparsetype.ob_type = &PyType_Type; /* Create the module and add the functions */ m = Py_InitModule3(MODULE_NAME, pyexpat_methods, pyexpat_module_documentation); /* Add some symbolic constants to the module */ if (ErrorObject == NULL) { ErrorObject = PyErr_NewException("xml.parsers.expat.ExpatError", NULL, NULL); if (ErrorObject == NULL) return; } Py_INCREF(ErrorObject); PyModule_AddObject(m, "error", ErrorObject); Py_INCREF(ErrorObject); PyModule_AddObject(m, "ExpatError", ErrorObject); Py_INCREF(&Xmlparsetype); PyModule_AddObject(m, "XMLParserType", (PyObject *) &Xmlparsetype); PyModule_AddObject(m, "__version__", get_version_string()); #if EXPAT_VERSION >= 0x015f02 PyModule_AddStringConstant(m, "EXPAT_VERSION", (char *) XML_ExpatVersion()); { XML_Expat_Version info = XML_ExpatVersionInfo(); PyModule_AddObject(m, "version_info", Py_BuildValue("(iii)", info.major, info.minor, info.micro)); } #endif #ifdef Py_USING_UNICODE init_template_buffer(); #endif /* 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"); sys_modules = PySys_GetObject("modules"); d = PyModule_GetDict(m); errors_module = PyDict_GetItem(d, errmod_name); if (errors_module == NULL) { errors_module = PyModule_New(MODULE_NAME ".errors"); if (errors_module != NULL) { 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); model_module = PyDict_GetItem(d, modelmod_name); if (model_module == NULL) { model_module = PyModule_New(MODULE_NAME ".model"); if (model_module != NULL) { PyDict_SetItem(sys_modules, modelmod_name, model_module); /* gives away the reference to model_module */ PyModule_AddObject(m, "model", model_module); } } Py_DECREF(modelmod_name); if (errors_module == NULL || model_module == NULL) /* Don't core dump later! */ return; #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); MYCONST(XML_ERROR_UNCLOSED_CDATA_SECTION); MYCONST(XML_ERROR_EXTERNAL_ENTITY_HANDLING); MYCONST(XML_ERROR_NOT_STANDALONE); PyModule_AddStringConstant(errors_module, "__doc__", "Constants used to describe error conditions."); #undef MYCONST #if EXPAT_VERSION >= 0x010200 #define MYCONST(c) PyModule_AddIntConstant(m, #c, c) MYCONST(XML_PARAM_ENTITY_PARSING_NEVER); MYCONST(XML_PARAM_ENTITY_PARSING_UNLESS_STANDALONE); MYCONST(XML_PARAM_ENTITY_PARSING_ALWAYS); #undef MYCONST #endif #if EXPAT_VERSION >= 0x015f00 #define MYCONST(c) PyModule_AddIntConstant(model_module, #c, c) PyModule_AddStringConstant(model_module, "__doc__", "Constants used to interpret content model information."); MYCONST(XML_CTYPE_EMPTY); MYCONST(XML_CTYPE_ANY); MYCONST(XML_CTYPE_MIXED); MYCONST(XML_CTYPE_NAME); MYCONST(XML_CTYPE_CHOICE); MYCONST(XML_CTYPE_SEQ); MYCONST(XML_CQUANT_NONE); MYCONST(XML_CQUANT_OPT); MYCONST(XML_CQUANT_REP); MYCONST(XML_CQUANT_PLUS); #undef MYCONST #endif } static void clear_handlers(xmlparseobject *self, int initial) { int i = 0; PyObject *temp; for (; handler_info[i].name!=NULL; i++) { if (initial) self->handlers[i]=NULL; else { temp = self->handlers[i]; self->handlers[i] = NULL; Py_XDECREF(temp); 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[startHandler] != Py_None) { start_handler = handler_info[startHandler].handler; } if (self->handlers[endHandler] && self->handlers[endHandler] != 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); } #if EXPAT_VERSION >= 0x010200 static void pyxml_SetStartDoctypeDeclHandler(XML_Parser parser, void *junk) { pyxml_UpdatePairedHandlers((xmlparseobject *)XML_GetUserData(parser), StartDoctypeDecl, EndDoctypeDecl, (pairsetter)XML_SetDoctypeDeclHandler); } static void pyxml_SetEndDoctypeDeclHandler(XML_Parser parser, void *junk) { pyxml_UpdatePairedHandlers((xmlparseobject *)XML_GetUserData(parser), StartDoctypeDecl, EndDoctypeDecl, (pairsetter)XML_SetDoctypeDeclHandler); } #endif 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 }, #if EXPAT_VERSION >= 0x010200 {"StartDoctypeDeclHandler", pyxml_SetStartDoctypeDeclHandler, (xmlhandler)my_StartDoctypeDeclHandler}, {"EndDoctypeDeclHandler", pyxml_SetEndDoctypeDeclHandler, (xmlhandler)my_EndDoctypeDeclHandler}, #endif #if EXPAT_VERSION == 0x010200 {"ExternalParsedEntityDeclHandler", (xmlhandlersetter)XML_SetExternalParsedEntityDeclHandler, (xmlhandler)my_ExternalParsedEntityDeclHandler}, {"InternalParsedEntityDeclHandler", (xmlhandlersetter)XML_SetInternalParsedEntityDeclHandler, (xmlhandler)my_InternalParsedEntityDeclHandler}, #endif #if EXPAT_VERSION >= 0x015f00 {"EntityDeclHandler", (xmlhandlersetter)XML_SetEntityDeclHandler, (xmlhandler)my_EntityDeclHandler}, {"XmlDeclHandler", (xmlhandlersetter)XML_SetXmlDeclHandler, (xmlhandler)my_XmlDeclHandler}, {"ElementDeclHandler", (xmlhandlersetter)XML_SetElementDeclHandler, (xmlhandler)my_ElementDeclHandler}, {"AttlistDeclHandler", (xmlhandlersetter)XML_SetAttlistDeclHandler, (xmlhandler)my_AttlistDeclHandler}, #endif /* Expat version 1.95 or better */ {NULL, NULL, NULL} /* sentinel */ };