diff options
Diffstat (limited to 'Modules/_localemodule.c')
| -rw-r--r-- | Modules/_localemodule.c | 620 |
1 files changed, 351 insertions, 269 deletions
diff --git a/Modules/_localemodule.c b/Modules/_localemodule.c index 3e630bd..5a0883a 100644 --- a/Modules/_localemodule.c +++ b/Modules/_localemodule.c @@ -6,6 +6,7 @@ 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 <stdio.h> @@ -14,348 +15,429 @@ This software comes with no warranty. Use at your own risk. #include <string.h> #include <limits.h> #include <ctype.h> + #include "Python.h" + +#if defined(MS_WIN32) +#define WINDOWS_LEAN_AND_MEAN +#include <windows.h> +#endif + #ifdef macintosh -char *strdup Py_PROTO((char *)); +char *strdup(char *); #endif -static char locale__doc__[]="Support for POSIX locales."; +static char locale__doc__[] = "Support for POSIX locales."; static PyObject *Error; /* support functions for formatting floating point numbers */ -static char setlocale__doc__[]= +static char setlocale__doc__[] = "(integer,string=None) -> string. Activates/queries locale processing." ; /* to record the LC_NUMERIC settings */ -static PyObject* grouping=0; -static PyObject* thousands_sep=0; -static PyObject* decimal_point=0; +static PyObject* grouping = NULL; +static PyObject* thousands_sep = NULL; +static PyObject* decimal_point = NULL; /* if non-null, indicates that LC_NUMERIC is different from "C" */ -static char* saved_numeric=0; +static char* saved_numeric = NULL; /* the grouping is terminated by either 0 or CHAR_MAX */ static PyObject* -copy_grouping(s) - char* s; +copy_grouping(char* s) { - int i; - PyObject *result,*val=0; - 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=0; - break; + 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 = 0; + break; + } + } while (s[i] != '\0' && s[i] != CHAR_MAX); + + if (!val) { + Py_DECREF(result); + return NULL; } - }while(s[i]!='\0' && s[i]!=CHAR_MAX); - if(!val){ - Py_DECREF(result); - return NULL; - } - return result; + + return result; } static void -fixup_ulcase() +fixup_ulcase(void) { - PyObject *mods,*strop,*string,*ulo; - unsigned char ul[256]; - int n,c; - - /* finding sys.modules */ - mods=PyImport_GetModuleDict(); - if(!mods)return; - /* finding the module */ - string=PyDict_GetItemString(mods,"string"); - if(string) - string=PyModule_GetDict(string); - strop=PyDict_GetItemString(mods,"strop"); - if(strop) - strop=PyModule_GetDict(strop); - if(!string && !strop)return; - /* create uppercase */ - 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); - if(strop) - PyDict_SetItemString(strop,"uppercase",ulo); - Py_DECREF(ulo); - /* create lowercase */ - 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); - if(strop) - PyDict_SetItemString(strop,"lowercase",ulo); - Py_DECREF(ulo); - /* create letters */ - 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); + PyObject *mods, *strop, *string, *ulo; + unsigned char ul[256]; + int n, c; + + /* find the string and strop modules */ + mods = PyImport_GetModuleDict(); + if (!mods) + return; + string = PyDict_GetItemString(mods, "string"); + if (string) + string = PyModule_GetDict(string); + strop=PyDict_GetItemString(mods, "strop"); + if (strop) + strop = PyModule_GetDict(strop); + if (!string && !strop) + 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); + if (strop) + PyDict_SetItemString(strop, "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); + if (strop) + PyDict_SetItemString(strop, "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(self,args) - PyObject *self; - PyObject *args; +PyLocale_setlocale(PyObject* self, PyObject* args) { - int category; - char *locale=0,*result; - PyObject *result_object; - struct lconv *lc; - if(!PyArg_ParseTuple(args,"i|z:setlocale",&category,&locale))return 0; - if(locale){ - /* set locale */ - result=setlocale(category,locale); - if(!result){ - /* operation failed, no setting was changed */ - PyErr_SetString(Error,"locale setting not supported"); - return NULL; - } - result_object=PyString_FromString(result); - if(!result)return NULL; - /* record changes to LC_NUMERIC */ - if(category==LC_NUMERIC || category==LC_ALL){ - if(strcmp(locale,"C")==0 || strcmp(locale,"POSIX")==0){ - /* user just asked for default numeric locale */ - if(saved_numeric)free(saved_numeric); - saved_numeric=0; - }else{ - /* remember values */ - lc=localeconv(); - Py_XDECREF(grouping); - grouping=copy_grouping(lc->grouping); - Py_XDECREF(thousands_sep); - thousands_sep=PyString_FromString(lc->thousands_sep); - Py_XDECREF(decimal_point); - decimal_point=PyString_FromString(lc->decimal_point); - saved_numeric = strdup(locale); - - /* restore to "C" */ - setlocale(LC_NUMERIC,"C"); - } + int category; + char *locale = NULL, *result; + PyObject *result_object; + struct lconv *lc; + + if (!PyArg_ParseTuple(args, "i|z:setlocale", &category, &locale)) + return 0; + + if (locale) { + /* set locale */ + result = setlocale(category, locale); + if (!result) { + /* operation failed, no setting was changed */ + PyErr_SetString(Error, "locale setting not supported"); + return NULL; + } + result_object = PyString_FromString(result); + if (!result) + return NULL; + /* record changes to LC_NUMERIC */ + if (category == LC_NUMERIC || category == LC_ALL) { + if (strcmp(locale, "C") == 0 || strcmp(locale, "POSIX") == 0) { + /* user just asked for default numeric locale */ + if (saved_numeric) + free(saved_numeric); + saved_numeric = NULL; + } else { + /* remember values */ + lc = localeconv(); + Py_XDECREF(grouping); + grouping = copy_grouping(lc->grouping); + Py_XDECREF(thousands_sep); + thousands_sep = PyString_FromString(lc->thousands_sep); + Py_XDECREF(decimal_point); + decimal_point = PyString_FromString(lc->decimal_point); + saved_numeric = strdup(locale); + /* restore to "C" */ + setlocale(LC_NUMERIC, "C"); + } + } + /* 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 */ + /* restore LC_NUMERIC first, if appropriate */ + if (saved_numeric) + setlocale(LC_NUMERIC, saved_numeric); + result = setlocale(category, NULL); + if (!result) { + PyErr_SetString(Error, "locale query failed"); + return NULL; + } + result_object = PyString_FromString(result); + /* restore back to "C" */ + if (saved_numeric) + setlocale(LC_NUMERIC, "C"); } - /* 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 */ - /* restore LC_NUMERIC first, if appropriate */ - if(saved_numeric) - setlocale(LC_NUMERIC,saved_numeric); - result=setlocale(category,NULL); - if(!result){ - PyErr_SetString(Error,"locale query failed"); - return NULL; - } - result_object=PyString_FromString(result); - /* restore back to "C" */ - if(saved_numeric) - setlocale(LC_NUMERIC,"C"); - } - return result_object; + return result_object; } -static char localeconv__doc__[]= +static char localeconv__doc__[] = "() -> dict. Returns numeric and monetary locale-specific parameters." ; static PyObject* -PyLocale_localeconv(self,args) - PyObject *self; - PyObject *args; +PyLocale_localeconv(PyObject* self, PyObject* args) { - PyObject* result; - struct lconv *l; - PyObject *x; - if(!PyArg_NoArgs(args))return 0; - result = PyDict_New(); - if(!result)return 0; - /* 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) + PyObject* result; + struct lconv *l; + PyObject *x; + + if (!PyArg_NoArgs(args)) + return 0; + + result = PyDict_New(); + if(!result) + return 0; + + /* 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 */ - if(saved_numeric){ - /* cannot use localeconv results */ - PyDict_SetItemString(result,"decimal_point",decimal_point); - PyDict_SetItemString(result,"grouping",grouping); - PyDict_SetItemString(result,"thousands_sep",thousands_sep); - }else{ - RESULT_STRING(decimal_point); - RESULT_STRING(thousands_sep); - x=copy_grouping(l->grouping); - if(!x)goto failed; - PyDict_SetItemString(result,"grouping",x); + if (saved_numeric){ + /* cannot use localeconv results */ + PyDict_SetItemString(result, "decimal_point", decimal_point); + PyDict_SetItemString(result, "grouping", grouping); + PyDict_SetItemString(result, "thousands_sep", thousands_sep); + } else { + 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); - } - - /* 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; + 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; } -static char strcoll__doc__[]= +static char strcoll__doc__[] = "string,string -> int. Compares two strings according to the locale." ; static PyObject* -PyLocale_strcoll(self,args) - PyObject *self; - PyObject *args; +PyLocale_strcoll(PyObject* self, PyObject* args) { char *s1,*s2; - if(!PyArg_ParseTuple(args,"ss:strcoll",&s1,&s2)) - return NULL; - return PyInt_FromLong(strcoll(s1,s2)); + + if (!PyArg_ParseTuple(args, "ss:strcoll", &s1, &s2)) + return NULL; + return PyInt_FromLong(strcoll(s1, s2)); } -static char strxfrm__doc__[]= +static char strxfrm__doc__[] = "string -> string. Returns a string that behaves for cmp locale-aware." ; static PyObject* -PyLocale_strxfrm(self,args) - PyObject* self; - PyObject* args; +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); - 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; + 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); + 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_WIN32) +static PyObject* +PyLocale_getdefaultlocale(PyObject* self, PyObject* args) +{ + char encoding[100]; + char locale[100]; + + sprintf(encoding, "cp%d", GetACP()); + + if (GetLocaleInfo(LOCALE_USER_DEFAULT, + LOCALE_SISO639LANGNAME, + locale, sizeof(locale))) { + int i = strlen(locale); + locale[i++] = '_'; + if (GetLocaleInfo(LOCALE_USER_DEFAULT, + LOCALE_SISO3166CTRYNAME, + locale+i, 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 + static struct PyMethodDef PyLocale_Methods[] = { - {"setlocale",(PyCFunction)PyLocale_setlocale,1,setlocale__doc__}, - {"localeconv",(PyCFunction)PyLocale_localeconv,0,localeconv__doc__}, - {"strcoll",(PyCFunction)PyLocale_strcoll,1,strcoll__doc__}, - {"strxfrm",(PyCFunction)PyLocale_strxfrm,1,strxfrm__doc__}, + {"setlocale", (PyCFunction) PyLocale_setlocale, 1, setlocale__doc__}, + {"localeconv", (PyCFunction) PyLocale_localeconv, 0, localeconv__doc__}, + {"strcoll", (PyCFunction) PyLocale_strcoll, 1, strcoll__doc__}, + {"strxfrm", (PyCFunction) PyLocale_strxfrm, 1, strxfrm__doc__}, +#if defined(MS_WIN32) + {"_getdefaultlocale", (PyCFunction) PyLocale_getdefaultlocale, 1}, +#endif {NULL, NULL} }; DL_EXPORT(void) init_locale() { - PyObject *m,*d,*x; - m=Py_InitModule("_locale",PyLocale_Methods); - d = PyModule_GetDict(m); - x=PyInt_FromLong(LC_CTYPE); - PyDict_SetItemString(d,"LC_CTYPE",x); - Py_XDECREF(x); + PyObject *m, *d, *x; - x=PyInt_FromLong(LC_TIME); - PyDict_SetItemString(d,"LC_TIME",x); - Py_XDECREF(x); + m = Py_InitModule("_locale", PyLocale_Methods); - x=PyInt_FromLong(LC_COLLATE); - PyDict_SetItemString(d,"LC_COLLATE",x); - Py_XDECREF(x); + d = PyModule_GetDict(m); - x=PyInt_FromLong(LC_MONETARY); - PyDict_SetItemString(d,"LC_MONETARY",x); - Py_XDECREF(x); + 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); + 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_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(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); + 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); + 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); + x = PyString_FromString(locale__doc__); + PyDict_SetItemString(d, "__doc__", x); + Py_XDECREF(x); - if(PyErr_Occurred()) - Py_FatalError("Can't initialize module locale"); + if (PyErr_Occurred()) + Py_FatalError("Can't initialize module locale"); } |