/*********************************************************** Copyright (C) 1997, 2002, 2003, 2007 Martin von Loewis Permission to use, copy, modify, and distribute this software and its documentation for any purpose and without fee is hereby granted, provided that the above copyright notice appear in all copies. This software comes with no warranty. Use at your own risk. ******************************************************************/ #include "Python.h" #include #include #include #include #ifdef HAVE_ERRNO_H #include #endif #ifdef HAVE_LANGINFO_H #include #endif #ifdef HAVE_LIBINTL_H #include #endif #ifdef HAVE_WCHAR_H #include #endif #if defined(__APPLE__) #include #endif #if defined(MS_WINDOWS) #define WIN32_LEAN_AND_MEAN #include #endif #ifdef RISCOS char *strdup(const char *); #endif PyDoc_STRVAR(locale__doc__, "Support for POSIX locales."); static PyObject *Error; /* support functions for formatting floating point numbers */ PyDoc_STRVAR(setlocale__doc__, "(integer,string=None) -> string. Activates/queries locale processing."); /* the grouping is terminated by either 0 or CHAR_MAX */ static PyObject* copy_grouping(char* s) { int i; PyObject *result, *val = NULL; if (s[0] == '\0') /* empty string: no grouping at all */ return PyList_New(0); for (i = 0; s[i] != '\0' && s[i] != CHAR_MAX; i++) ; /* nothing */ result = PyList_New(i+1); if (!result) return NULL; i = -1; do { i++; val = PyInt_FromLong(s[i]); if (!val) break; if (PyList_SetItem(result, i, val)) { Py_DECREF(val); val = NULL; break; } } while (s[i] != '\0' && s[i] != CHAR_MAX); if (!val) { Py_DECREF(result); return NULL; } return result; } static void fixup_ulcase(void) { PyObject *mods, *string, *ulo; unsigned char ul[256]; int n, c; /* find the string module */ mods = PyImport_GetModuleDict(); if (!mods) return; string = PyDict_GetItemString(mods, "string"); if (string) string = PyModule_GetDict(string); if (!string) return; /* create uppercase map string */ n = 0; for (c = 0; c < 256; c++) { if (isupper(c)) ul[n++] = c; } ulo = PyString_FromStringAndSize((const char *)ul, n); if (!ulo) return; if (string) PyDict_SetItemString(string, "uppercase", ulo); Py_DECREF(ulo); /* create lowercase string */ n = 0; for (c = 0; c < 256; c++) { if (islower(c)) ul[n++] = c; } ulo = PyString_FromStringAndSize((const char *)ul, n); if (!ulo) return; if (string) PyDict_SetItemString(string, "lowercase", ulo); Py_DECREF(ulo); /* create letters string */ n = 0; for (c = 0; c < 256; c++) { if (isalpha(c)) ul[n++] = c; } ulo = PyString_FromStringAndSize((const char *)ul, n); if (!ulo) return; if (string) PyDict_SetItemString(string, "letters", ulo); Py_DECREF(ulo); } static PyObject* PyLocale_setlocale(PyObject* self, PyObject* args) { int category; char *locale = NULL, *result; PyObject *result_object; if (!PyArg_ParseTuple(args, "i|z:setlocale", &category, &locale)) return NULL; if (locale) { /* set locale */ result = setlocale(category, locale); if (!result) { /* operation failed, no setting was changed */ PyErr_SetString(Error, "unsupported locale setting"); return NULL; } result_object = PyString_FromString(result); if (!result_object) return NULL; /* record changes to LC_CTYPE */ if (category == LC_CTYPE || category == LC_ALL) fixup_ulcase(); /* things that got wrong up to here are ignored */ PyErr_Clear(); } else { /* get locale */ result = setlocale(category, NULL); if (!result) { PyErr_SetString(Error, "locale query failed"); return NULL; } result_object = PyString_FromString(result); } return result_object; } PyDoc_STRVAR(localeconv__doc__, "() -> dict. Returns numeric and monetary locale-specific parameters."); static PyObject* PyLocale_localeconv(PyObject* self) { PyObject* result; struct lconv *l; PyObject *x; result = PyDict_New(); if (!result) return NULL; /* if LC_NUMERIC is different in the C library, use saved value */ l = localeconv(); /* hopefully, the localeconv result survives the C library calls involved herein */ #define RESULT_STRING(s)\ x = PyString_FromString(l->s);\ if (!x) goto failed;\ PyDict_SetItemString(result, #s, x);\ Py_XDECREF(x) #define RESULT_INT(i)\ x = PyInt_FromLong(l->i);\ if (!x) goto failed;\ PyDict_SetItemString(result, #i, x);\ Py_XDECREF(x) /* Numeric information */ RESULT_STRING(decimal_point); RESULT_STRING(thousands_sep); x = copy_grouping(l->grouping); if (!x) goto failed; PyDict_SetItemString(result, "grouping", x); Py_XDECREF(x); /* Monetary information */ RESULT_STRING(int_curr_symbol); RESULT_STRING(currency_symbol); RESULT_STRING(mon_decimal_point); RESULT_STRING(mon_thousands_sep); x = copy_grouping(l->mon_grouping); if (!x) goto failed; PyDict_SetItemString(result, "mon_grouping", x); Py_XDECREF(x); RESULT_STRING(positive_sign); RESULT_STRING(negative_sign); RESULT_INT(int_frac_digits); RESULT_INT(frac_digits); RESULT_INT(p_cs_precedes); RESULT_INT(p_sep_by_space); RESULT_INT(n_cs_precedes); RESULT_INT(n_sep_by_space); RESULT_INT(p_sign_posn); RESULT_INT(n_sign_posn); return result; failed: Py_XDECREF(result); Py_XDECREF(x); return NULL; } PyDoc_STRVAR(strcoll__doc__, "string,string -> int. Compares two strings according to the locale."); static PyObject* PyLocale_strcoll(PyObject* self, PyObject* args) { #if !defined(HAVE_WCSCOLL) char *s1,*s2; if (!PyArg_ParseTuple(args, "ss:strcoll", &s1, &s2)) return NULL; return PyInt_FromLong(strcoll(s1, s2)); #else PyObject *os1, *os2, *result = NULL; wchar_t *ws1 = NULL, *ws2 = NULL; int rel1 = 0, rel2 = 0, len1, len2; if (!PyArg_UnpackTuple(args, "strcoll", 2, 2, &os1, &os2)) return NULL; /* If both arguments are byte strings, use strcoll. */ if (PyString_Check(os1) && PyString_Check(os2)) return PyInt_FromLong(strcoll(PyString_AS_STRING(os1), PyString_AS_STRING(os2))); /* If neither argument is unicode, it's an error. */ if (!PyUnicode_Check(os1) && !PyUnicode_Check(os2)) { PyErr_SetString(PyExc_ValueError, "strcoll arguments must be strings"); } /* Convert the non-unicode argument to unicode. */ if (!PyUnicode_Check(os1)) { os1 = PyUnicode_FromObject(os1); if (!os1) return NULL; rel1 = 1; } if (!PyUnicode_Check(os2)) { os2 = PyUnicode_FromObject(os2); if (!os2) { Py_DECREF(os1); return NULL; } rel2 = 1; } /* Convert the unicode strings to wchar[]. */ len1 = PyUnicode_GET_SIZE(os1) + 1; ws1 = PyMem_MALLOC(len1 * sizeof(wchar_t)); if (!ws1) { PyErr_NoMemory(); goto done; } if (PyUnicode_AsWideChar((PyUnicodeObject*)os1, ws1, len1) == -1) goto done; ws1[len1 - 1] = 0; len2 = PyUnicode_GET_SIZE(os2) + 1; ws2 = PyMem_MALLOC(len2 * sizeof(wchar_t)); if (!ws2) { PyErr_NoMemory(); goto done; } if (PyUnicode_AsWideChar((PyUnicodeObject*)os2, ws2, len2) == -1) goto done; ws2[len2 - 1] = 0; /* Collate the strings. */ result = PyInt_FromLong(wcscoll(ws1, ws2)); done: /* Deallocate everything. */ if (ws1) PyMem_FREE(ws1); if (ws2) PyMem_FREE(ws2); if (rel1) { Py_DECREF(os1); } if (rel2) { Py_DECREF(os2); } return result; #endif } PyDoc_STRVAR(strxfrm__doc__, "string -> string. Returns a string that behaves for cmp locale-aware."); static PyObject* PyLocale_strxfrm(PyObject* self, PyObject* args) { char *s, *buf; size_t n1, n2; PyObject *result; if (!PyArg_ParseTuple(args, "s:strxfrm", &s)) return NULL; /* assume no change in size, first */ n1 = strlen(s) + 1; buf = PyMem_Malloc(n1); if (!buf) return PyErr_NoMemory(); n2 = strxfrm(buf, s, n1) + 1; if (n2 > n1) { /* more space needed */ buf = PyMem_Realloc(buf, n2); if (!buf) return PyErr_NoMemory(); strxfrm(buf, s, n2); } result = PyString_FromString(buf); PyMem_Free(buf); return result; } #if defined(MS_WINDOWS) static PyObject* PyLocale_getdefaultlocale(PyObject* self) { char encoding[100]; char locale[100]; PyOS_snprintf(encoding, sizeof(encoding), "cp%d", GetACP()); if (GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SISO639LANGNAME, locale, sizeof(locale))) { Py_ssize_t i = strlen(locale); locale[i++] = '_'; if (GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SISO3166CTRYNAME, locale+i, (int)(sizeof(locale)-i))) return Py_BuildValue("ss", locale, encoding); } /* If we end up here, this windows version didn't know about ISO639/ISO3166 names (it's probably Windows 95). Return the Windows language identifier instead (a hexadecimal number) */ locale[0] = '0'; locale[1] = 'x'; if (GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_IDEFAULTLANGUAGE, locale+2, sizeof(locale)-2)) { return Py_BuildValue("ss", locale, encoding); } /* cannot determine the language code (very unlikely) */ Py_INCREF(Py_None); return Py_BuildValue("Os", Py_None, encoding); } #endif #if defined(__APPLE__) /* ** Find out what the current script is. ** Donated by Fredrik Lundh. */ static char *mac_getscript(void) { CFStringEncoding enc = CFStringGetSystemEncoding(); static CFStringRef name = NULL; /* Return the code name for the encodings for which we have codecs. */ switch(enc) { case kCFStringEncodingMacRoman: return "mac-roman"; case kCFStringEncodingMacGreek: return "mac-greek"; case kCFStringEncodingMacCyrillic: return "mac-cyrillic"; case kCFStringEncodingMacTurkish: return "mac-turkish"; case kCFStringEncodingMacIcelandic: return "mac-icelandic"; /* XXX which one is mac-latin2? */ } if (!name) { /* This leaks an object. */ name = CFStringConvertEncodingToIANACharSetName(enc); } return (char *)CFStringGetCStringPtr(name, 0); } static PyObject* PyLocale_getdefaultlocale(PyObject* self) { return Py_BuildValue("Os", Py_None, mac_getscript()); } #endif #ifdef HAVE_LANGINFO_H #define LANGINFO(X) {#X, X} struct langinfo_constant{ char* name; int value; } langinfo_constants[] = { /* These constants should exist on any langinfo implementation */ LANGINFO(DAY_1), LANGINFO(DAY_2), LANGINFO(DAY_3), LANGINFO(DAY_4), LANGINFO(DAY_5), LANGINFO(DAY_6), LANGINFO(DAY_7), LANGINFO(ABDAY_1), LANGINFO(ABDAY_2), LANGINFO(ABDAY_3), LANGINFO(ABDAY_4), LANGINFO(ABDAY_5), LANGINFO(ABDAY_6), LANGINFO(ABDAY_7), LANGINFO(MON_1), LANGINFO(MON_2), LANGINFO(MON_3), LANGINFO(MON_4), LANGINFO(MON_5), LANGINFO(MON_6), LANGINFO(MON_7), LANGINFO(MON_8), LANGINFO(MON_9), LANGINFO(MON_10), LANGINFO(MON_11), LANGINFO(MON_12), LANGINFO(ABMON_1), LANGINFO(ABMON_2), LANGINFO(ABMON_3), LANGINFO(ABMON_4), LANGINFO(ABMON_5), LANGINFO(ABMON_6), LANGINFO(ABMON_7), LANGINFO(ABMON_8), LANGINFO(ABMON_9), LANGINFO(ABMON_10), LANGINFO(ABMON_11), LANGINFO(ABMON_12), #ifdef RADIXCHAR /* The following are not available with glibc 2.0 */ LANGINFO(RADIXCHAR), LANGINFO(THOUSEP), /* YESSTR and NOSTR are deprecated in glibc, since they are a special case of message translation, which should be rather done using gettext. So we don't expose it to Python in the first place. LANGINFO(YESSTR), LANGINFO(NOSTR), */ LANGINFO(CRNCYSTR), #endif LANGINFO(D_T_FMT), LANGINFO(D_FMT), LANGINFO(T_FMT), LANGINFO(AM_STR), LANGINFO(PM_STR), /* The following constants are available only with XPG4, but... AIX 3.2. only has CODESET. OpenBSD doesn't have CODESET but has T_FMT_AMPM, and doesn't have a few of the others. Solution: ifdef-test them all. */ #ifdef CODESET LANGINFO(CODESET), #endif #ifdef T_FMT_AMPM LANGINFO(T_FMT_AMPM), #endif #ifdef ERA LANGINFO(ERA), #endif #ifdef ERA_D_FMT LANGINFO(ERA_D_FMT), #endif #ifdef ERA_D_T_FMT LANGINFO(ERA_D_T_FMT), #endif #ifdef ERA_T_FMT LANGINFO(ERA_T_FMT), #endif #ifdef ALT_DIGITS LANGINFO(ALT_DIGITS), #endif #ifdef YESEXPR LANGINFO(YESEXPR), #endif #ifdef NOEXPR LANGINFO(NOEXPR), #endif #ifdef _DATE_FMT /* This is not available in all glibc versions that have CODESET. */ LANGINFO(_DATE_FMT), #endif {0, 0} }; PyDoc_STRVAR(nl_langinfo__doc__, "nl_langinfo(key) -> string\n" "Return the value for the locale information associated with key."); static PyObject* PyLocale_nl_langinfo(PyObject* self, PyObject* args) { int item, i; if (!PyArg_ParseTuple(args, "i:nl_langinfo", &item)) return NULL; /* Check whether this is a supported constant. GNU libc sometimes returns numeric values in the char* return value, which would crash PyString_FromString. */ for (i = 0; langinfo_constants[i].name; i++) if (langinfo_constants[i].value == item) { /* Check NULL as a workaround for GNU libc's returning NULL instead of an empty string for nl_langinfo(ERA). */ const char *result = nl_langinfo(item); /* XXX may have to convert this to wcs first. */ return PyUnicode_FromString(result != NULL ? result : ""); } PyErr_SetString(PyExc_ValueError, "unsupported langinfo constant"); return NULL; } #endif /* HAVE_LANGINFO_H */ #ifdef HAVE_LIBINTL_H PyDoc_STRVAR(gettext__doc__, "gettext(msg) -> string\n" "Return translation of msg."); static PyObject* PyIntl_gettext(PyObject* self, PyObject *args) { char *in; if (!PyArg_ParseTuple(args, "z", &in)) return 0; return PyString_FromString(gettext(in)); } PyDoc_STRVAR(dgettext__doc__, "dgettext(domain, msg) -> string\n" "Return translation of msg in domain."); static PyObject* PyIntl_dgettext(PyObject* self, PyObject *args) { char *domain, *in; if (!PyArg_ParseTuple(args, "zz", &domain, &in)) return 0; return PyString_FromString(dgettext(domain, in)); } PyDoc_STRVAR(dcgettext__doc__, "dcgettext(domain, msg, category) -> string\n" "Return translation of msg in domain and category."); static PyObject* PyIntl_dcgettext(PyObject *self, PyObject *args) { char *domain, *msgid; int category; if (!PyArg_ParseTuple(args, "zzi", &domain, &msgid, &category)) return 0; return PyString_FromString(dcgettext(domain,msgid,category)); } PyDoc_STRVAR(textdomain__doc__, "textdomain(domain) -> string\n" "Set the C library's textdmain to domain, returning the new domain."); static PyObject* PyIntl_textdomain(PyObject* self, PyObject* args) { char *domain; if (!PyArg_ParseTuple(args, "z", &domain)) return 0; domain = textdomain(domain); if (!domain) { PyErr_SetFromErrno(PyExc_OSError); return NULL; } return PyString_FromString(domain); } PyDoc_STRVAR(bindtextdomain__doc__, "bindtextdomain(domain, dir) -> string\n" "Bind the C library's domain to dir."); static PyObject* PyIntl_bindtextdomain(PyObject* self,PyObject*args) { char *domain,*dirname; if (!PyArg_ParseTuple(args, "zz", &domain, &dirname)) return 0; dirname = bindtextdomain(domain, dirname); if (!dirname) { PyErr_SetFromErrno(PyExc_OSError); return NULL; } return PyString_FromString(dirname); } #ifdef HAVE_BIND_TEXTDOMAIN_CODESET PyDoc_STRVAR(bind_textdomain_codeset__doc__, "bind_textdomain_codeset(domain, codeset) -> string\n" "Bind the C library's domain to codeset."); static PyObject* PyIntl_bind_textdomain_codeset(PyObject* self,PyObject*args) { char *domain,*codeset; if (!PyArg_ParseTuple(args, "sz", &domain, &codeset)) return NULL; codeset = bind_textdomain_codeset(domain, codeset); if (codeset) return PyString_FromString(codeset); Py_RETURN_NONE; } #endif #endif static struct PyMethodDef PyLocale_Methods[] = { {"setlocale", (PyCFunction) PyLocale_setlocale, METH_VARARGS, setlocale__doc__}, {"localeconv", (PyCFunction) PyLocale_localeconv, METH_NOARGS, localeconv__doc__}, {"strcoll", (PyCFunction) PyLocale_strcoll, METH_VARARGS, strcoll__doc__}, {"strxfrm", (PyCFunction) PyLocale_strxfrm, METH_VARARGS, strxfrm__doc__}, #if defined(MS_WINDOWS) || defined(__APPLE__) {"_getdefaultlocale", (PyCFunction) PyLocale_getdefaultlocale, METH_NOARGS}, #endif #ifdef HAVE_LANGINFO_H {"nl_langinfo", (PyCFunction) PyLocale_nl_langinfo, METH_VARARGS, nl_langinfo__doc__}, #endif #ifdef HAVE_LIBINTL_H {"gettext",(PyCFunction)PyIntl_gettext,METH_VARARGS, gettext__doc__}, {"dgettext",(PyCFunction)PyIntl_dgettext,METH_VARARGS, dgettext__doc__}, {"dcgettext",(PyCFunction)PyIntl_dcgettext,METH_VARARGS, dcgettext__doc__}, {"textdomain",(PyCFunction)PyIntl_textdomain,METH_VARARGS, textdomain__doc__}, {"bindtextdomain",(PyCFunction)PyIntl_bindtextdomain,METH_VARARGS, bindtextdomain__doc__}, #ifdef HAVE_BIND_TEXTDOMAIN_CODESET {"bind_textdomain_codeset",(PyCFunction)PyIntl_bind_textdomain_codeset, METH_VARARGS, bind_textdomain_codeset__doc__}, #endif #endif {NULL, NULL} }; PyMODINIT_FUNC init_locale(void) { PyObject *m, *d, *x; #ifdef HAVE_LANGINFO_H int i; #endif m = Py_InitModule("_locale", PyLocale_Methods); if (m == NULL) return; d = PyModule_GetDict(m); x = PyInt_FromLong(LC_CTYPE); PyDict_SetItemString(d, "LC_CTYPE", x); Py_XDECREF(x); x = PyInt_FromLong(LC_TIME); PyDict_SetItemString(d, "LC_TIME", x); Py_XDECREF(x); x = PyInt_FromLong(LC_COLLATE); PyDict_SetItemString(d, "LC_COLLATE", x); Py_XDECREF(x); x = PyInt_FromLong(LC_MONETARY); PyDict_SetItemString(d, "LC_MONETARY", x); Py_XDECREF(x); #ifdef LC_MESSAGES x = PyInt_FromLong(LC_MESSAGES); PyDict_SetItemString(d, "LC_MESSAGES", x); Py_XDECREF(x); #endif /* LC_MESSAGES */ x = PyInt_FromLong(LC_NUMERIC); PyDict_SetItemString(d, "LC_NUMERIC", x); Py_XDECREF(x); x = PyInt_FromLong(LC_ALL); PyDict_SetItemString(d, "LC_ALL", x); Py_XDECREF(x); x = PyInt_FromLong(CHAR_MAX); PyDict_SetItemString(d, "CHAR_MAX", x); Py_XDECREF(x); Error = PyErr_NewException("locale.Error", NULL, NULL); PyDict_SetItemString(d, "Error", Error); x = PyString_FromString(locale__doc__); PyDict_SetItemString(d, "__doc__", x); Py_XDECREF(x); #ifdef HAVE_LANGINFO_H for (i = 0; langinfo_constants[i].name; i++) { PyModule_AddIntConstant(m, langinfo_constants[i].name, langinfo_constants[i].value); } #endif } /* Local variables: c-basic-offset: 4 indent-tabs-mode: nil End: */