| /*********************************************************** |
| Copyright (C) 1997 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 <stdio.h> |
| #include <errno.h> |
| #include <locale.h> |
| #include <string.h> |
| #include <limits.h> |
| #include <ctype.h> |
| #include "Python.h" |
| #ifdef macintosh |
| char *strdup Py_PROTO((char *)); |
| #endif |
| |
| static char locale__doc__[]="Support for POSIX locales."; |
| |
| static PyObject *Error; |
| |
| /* support functions for formatting floating point numbers */ |
| |
| 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; |
| /* if non-null, indicates that LC_NUMERIC is different from "C" */ |
| static char* saved_numeric=0; |
| |
| /* the grouping is terminated by either 0 or CHAR_MAX */ |
| static PyObject* |
| copy_grouping(s) |
| 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; |
| } |
| }while(s[i]!='\0' && s[i]!=CHAR_MAX); |
| if(!val){ |
| Py_DECREF(result); |
| return NULL; |
| } |
| return result; |
| } |
| |
| static void |
| fixup_ulcase() |
| { |
| 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); |
| } |
| |
| |
| static PyObject* |
| PyLocale_setlocale(self,args) |
| 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"); |
| } |
| } |
| /* 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; |
| } |
| |
| static char localeconv__doc__[]= |
| "() -> dict. Returns numeric and monetary locale-specific parameters." |
| ; |
| |
| static PyObject* |
| PyLocale_localeconv(self,args) |
| 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) |
| |
| /* 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); |
| 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; |
| } |
| |
| static char strcoll__doc__[]= |
| "string,string -> int. Compares two strings according to the locale." |
| ; |
| |
| static PyObject* |
| PyLocale_strcoll(self,args) |
| PyObject *self; |
| PyObject *args; |
| { |
| char *s1,*s2; |
| if(!PyArg_ParseTuple(args,"ss:strcoll",&s1,&s2)) |
| return NULL; |
| return PyInt_FromLong(strcoll(s1,s2)); |
| } |
| |
| 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; |
| { |
| 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; |
| } |
| |
| 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__}, |
| {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); |
| |
| 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); |
| |
| if(PyErr_Occurred()) |
| Py_FatalError("Can't initialize module locale"); |
| } |