mirror of
https://github.com/reactos/reactos.git
synced 2024-11-20 06:15:26 +00:00
527f2f9057
* Create a branch for some evul shell experiments. svn path=/branches/shell-experiments/; revision=61927
520 lines
14 KiB
C
520 lines
14 KiB
C
/*
|
|
* xsltlocale.c: locale handling
|
|
*
|
|
* Reference:
|
|
* RFC 3066: Tags for the Identification of Languages
|
|
* http://www.ietf.org/rfc/rfc3066.txt
|
|
* ISO 639-1, ISO 3166-1
|
|
*
|
|
* Author: Nick Wellnhofer
|
|
* winapi port: Roumen Petrov
|
|
*/
|
|
|
|
#include "precomp.h"
|
|
|
|
#include "xsltlocale.h"
|
|
|
|
#if defined(__GLIBC__) && __GLIBC__ == 2 && __GLIBC_MINOR__ <= 2
|
|
#define newlocale __newlocale
|
|
#define freelocale __freelocale
|
|
#define strxfrm_l __strxfrm_l
|
|
#define LC_COLLATE_MASK (1 << LC_COLLATE)
|
|
#endif
|
|
|
|
#define TOUPPER(c) (c & ~0x20)
|
|
#define TOLOWER(c) (c | 0x20)
|
|
#define ISALPHA(c) ((unsigned)(TOUPPER(c) - 'A') < 26)
|
|
|
|
/*without terminating null character*/
|
|
#define XSLTMAX_ISO639LANGLEN 8
|
|
#define XSLTMAX_ISO3166CNTRYLEN 8
|
|
/* <lang>-<cntry> */
|
|
#define XSLTMAX_LANGTAGLEN (XSLTMAX_ISO639LANGLEN+1+XSLTMAX_ISO3166CNTRYLEN)
|
|
|
|
static const xmlChar* xsltDefaultRegion(const xmlChar *localeName);
|
|
|
|
#ifdef XSLT_LOCALE_WINAPI
|
|
xmlRMutexPtr xsltLocaleMutex = NULL;
|
|
|
|
struct xsltRFC1766Info_s {
|
|
/*note typedef unsigned char xmlChar !*/
|
|
xmlChar tag[XSLTMAX_LANGTAGLEN+1];
|
|
/*note typedef LCID xsltLocale !*/
|
|
xsltLocale lcid;
|
|
};
|
|
typedef struct xsltRFC1766Info_s xsltRFC1766Info;
|
|
|
|
static int xsltLocaleListSize = 0;
|
|
static xsltRFC1766Info *xsltLocaleList = NULL;
|
|
|
|
|
|
static xsltLocale
|
|
xslt_locale_WINAPI(const xmlChar *languageTag) {
|
|
int k;
|
|
xsltRFC1766Info *p = xsltLocaleList;
|
|
|
|
for (k=0; k<xsltLocaleListSize; k++, p++)
|
|
if (xmlStrcmp(p->tag, languageTag) == 0) return p->lcid;
|
|
return((xsltLocale)0);
|
|
}
|
|
|
|
static void xsltEnumSupportedLocales(void);
|
|
#endif
|
|
|
|
/**
|
|
* xsltFreeLocales:
|
|
*
|
|
* Cleanup function for the locale support on shutdown
|
|
*/
|
|
void
|
|
xsltFreeLocales(void) {
|
|
#ifdef XSLT_LOCALE_WINAPI
|
|
xmlRMutexLock(xsltLocaleMutex);
|
|
xmlFree(xsltLocaleList);
|
|
xsltLocaleList = NULL;
|
|
xmlRMutexUnlock(xsltLocaleMutex);
|
|
#endif
|
|
}
|
|
|
|
/**
|
|
* xsltNewLocale:
|
|
* @languageTag: RFC 3066 language tag
|
|
*
|
|
* Creates a new locale of an opaque system dependent type based on the
|
|
* language tag.
|
|
*
|
|
* Returns the locale or NULL on error or if no matching locale was found
|
|
*/
|
|
xsltLocale
|
|
xsltNewLocale(const xmlChar *languageTag) {
|
|
#ifdef XSLT_LOCALE_XLOCALE
|
|
xsltLocale locale;
|
|
char localeName[XSLTMAX_LANGTAGLEN+6]; /* 6 chars for ".utf8\0" */
|
|
const xmlChar *p = languageTag;
|
|
const char *region = NULL;
|
|
char *q = localeName;
|
|
int i, llen;
|
|
|
|
/* Convert something like "pt-br" to "pt_BR.utf8" */
|
|
|
|
if (languageTag == NULL)
|
|
return(NULL);
|
|
|
|
for (i=0; i<XSLTMAX_ISO639LANGLEN && ISALPHA(*p); ++i)
|
|
*q++ = TOLOWER(*p++);
|
|
|
|
if (i == 0)
|
|
return(NULL);
|
|
|
|
llen = i;
|
|
|
|
if (*p) {
|
|
if (*p++ != '-')
|
|
return(NULL);
|
|
*q++ = '_';
|
|
|
|
for (i=0; i<XSLTMAX_ISO3166CNTRYLEN && ISALPHA(*p); ++i)
|
|
*q++ = TOUPPER(*p++);
|
|
|
|
if (i == 0 || *p)
|
|
return(NULL);
|
|
|
|
memcpy(q, ".utf8", 6);
|
|
locale = newlocale(LC_COLLATE_MASK, localeName, NULL);
|
|
if (locale != NULL)
|
|
return(locale);
|
|
|
|
/* Continue without using country code */
|
|
|
|
q = localeName + llen;
|
|
}
|
|
|
|
/* Try locale without territory, e.g. for Esperanto (eo) */
|
|
|
|
memcpy(q, ".utf8", 6);
|
|
locale = newlocale(LC_COLLATE_MASK, localeName, NULL);
|
|
if (locale != NULL)
|
|
return(locale);
|
|
|
|
/* Try to find most common country for language */
|
|
|
|
if (llen != 2)
|
|
return(NULL);
|
|
|
|
region = (char *)xsltDefaultRegion((xmlChar *)localeName);
|
|
if (region == NULL)
|
|
return(NULL);
|
|
|
|
q = localeName + llen;
|
|
*q++ = '_';
|
|
*q++ = region[0];
|
|
*q++ = region[1];
|
|
memcpy(q, ".utf8", 6);
|
|
locale = newlocale(LC_COLLATE_MASK, localeName, NULL);
|
|
|
|
return(locale);
|
|
#endif
|
|
|
|
#ifdef XSLT_LOCALE_WINAPI
|
|
{
|
|
xsltLocale locale = (xsltLocale)0;
|
|
xmlChar localeName[XSLTMAX_LANGTAGLEN+1];
|
|
xmlChar *q = localeName;
|
|
const xmlChar *p = languageTag;
|
|
int i, llen;
|
|
const xmlChar *region = NULL;
|
|
|
|
if (languageTag == NULL) goto end;
|
|
|
|
xsltEnumSupportedLocales();
|
|
|
|
for (i=0; i<XSLTMAX_ISO639LANGLEN && ISALPHA(*p); ++i)
|
|
*q++ = TOLOWER(*p++);
|
|
if (i == 0) goto end;
|
|
|
|
llen = i;
|
|
*q++ = '-';
|
|
if (*p) { /*if country tag is given*/
|
|
if (*p++ != '-') goto end;
|
|
|
|
for (i=0; i<XSLTMAX_ISO3166CNTRYLEN && ISALPHA(*p); ++i)
|
|
*q++ = TOUPPER(*p++);
|
|
if (i == 0 || *p) goto end;
|
|
|
|
*q = '\0';
|
|
locale = xslt_locale_WINAPI(localeName);
|
|
if (locale != (xsltLocale)0) goto end;
|
|
}
|
|
/* Try to find most common country for language */
|
|
region = xsltDefaultRegion(localeName);
|
|
if (region == NULL) goto end;
|
|
|
|
strcpy(localeName + llen + 1, region);
|
|
locale = xslt_locale_WINAPI(localeName);
|
|
end:
|
|
return(locale);
|
|
}
|
|
#endif
|
|
|
|
#ifdef XSLT_LOCALE_NONE
|
|
return(NULL);
|
|
#endif
|
|
}
|
|
|
|
static const xmlChar*
|
|
xsltDefaultRegion(const xmlChar *localeName) {
|
|
xmlChar c;
|
|
/* region should be xmlChar, but gcc warns on all string assignments */
|
|
const char *region = NULL;
|
|
|
|
c = localeName[1];
|
|
/* This is based on the locales from glibc 2.3.3 */
|
|
|
|
switch (localeName[0]) {
|
|
case 'a':
|
|
if (c == 'a' || c == 'm') region = "ET";
|
|
else if (c == 'f') region = "ZA";
|
|
else if (c == 'n') region = "ES";
|
|
else if (c == 'r') region = "AE";
|
|
else if (c == 'z') region = "AZ";
|
|
break;
|
|
case 'b':
|
|
if (c == 'e') region = "BY";
|
|
else if (c == 'g') region = "BG";
|
|
else if (c == 'n') region = "BD";
|
|
else if (c == 'r') region = "FR";
|
|
else if (c == 's') region = "BA";
|
|
break;
|
|
case 'c':
|
|
if (c == 'a') region = "ES";
|
|
else if (c == 's') region = "CZ";
|
|
else if (c == 'y') region = "GB";
|
|
break;
|
|
case 'd':
|
|
if (c == 'a') region = "DK";
|
|
else if (c == 'e') region = "DE";
|
|
break;
|
|
case 'e':
|
|
if (c == 'l') region = "GR";
|
|
else if (c == 'n' || c == 'o') region = "US";
|
|
else if (c == 's' || c == 'u') region = "ES";
|
|
else if (c == 't') region = "EE";
|
|
break;
|
|
case 'f':
|
|
if (c == 'a') region = "IR";
|
|
else if (c == 'i') region = "FI";
|
|
else if (c == 'o') region = "FO";
|
|
else if (c == 'r') region = "FR";
|
|
break;
|
|
case 'g':
|
|
if (c == 'a') region = "IE";
|
|
else if (c == 'l') region = "ES";
|
|
else if (c == 'v') region = "GB";
|
|
break;
|
|
case 'h':
|
|
if (c == 'e') region = "IL";
|
|
else if (c == 'i') region = "IN";
|
|
else if (c == 'r') region = "HT";
|
|
else if (c == 'u') region = "HU";
|
|
break;
|
|
case 'i':
|
|
if (c == 'd') region = "ID";
|
|
else if (c == 's') region = "IS";
|
|
else if (c == 't') region = "IT";
|
|
else if (c == 'w') region = "IL";
|
|
break;
|
|
case 'j':
|
|
if (c == 'a') region = "JP";
|
|
break;
|
|
case 'k':
|
|
if (c == 'l') region = "GL";
|
|
else if (c == 'o') region = "KR";
|
|
else if (c == 'w') region = "GB";
|
|
break;
|
|
case 'l':
|
|
if (c == 't') region = "LT";
|
|
else if (c == 'v') region = "LV";
|
|
break;
|
|
case 'm':
|
|
if (c == 'k') region = "MK";
|
|
else if (c == 'l' || c == 'r') region = "IN";
|
|
else if (c == 'n') region = "MN";
|
|
else if (c == 's') region = "MY";
|
|
else if (c == 't') region = "MT";
|
|
break;
|
|
case 'n':
|
|
if (c == 'b' || c == 'n' || c == 'o') region = "NO";
|
|
else if (c == 'e') region = "NP";
|
|
else if (c == 'l') region = "NL";
|
|
break;
|
|
case 'o':
|
|
if (c == 'm') region = "ET";
|
|
break;
|
|
case 'p':
|
|
if (c == 'a') region = "IN";
|
|
else if (c == 'l') region = "PL";
|
|
else if (c == 't') region = "PT";
|
|
break;
|
|
case 'r':
|
|
if (c == 'o') region = "RO";
|
|
else if (c == 'u') region = "RU";
|
|
break;
|
|
case 's':
|
|
switch (c) {
|
|
case 'e': region = "NO"; break;
|
|
case 'h': region = "YU"; break;
|
|
case 'k': region = "SK"; break;
|
|
case 'l': region = "SI"; break;
|
|
case 'o': region = "ET"; break;
|
|
case 'q': region = "AL"; break;
|
|
case 't': region = "ZA"; break;
|
|
case 'v': region = "SE"; break;
|
|
}
|
|
break;
|
|
case 't':
|
|
if (c == 'a' || c == 'e') region = "IN";
|
|
else if (c == 'h') region = "TH";
|
|
else if (c == 'i') region = "ER";
|
|
else if (c == 'r') region = "TR";
|
|
else if (c == 't') region = "RU";
|
|
break;
|
|
case 'u':
|
|
if (c == 'k') region = "UA";
|
|
else if (c == 'r') region = "PK";
|
|
break;
|
|
case 'v':
|
|
if (c == 'i') region = "VN";
|
|
break;
|
|
case 'w':
|
|
if (c == 'a') region = "BE";
|
|
break;
|
|
case 'x':
|
|
if (c == 'h') region = "ZA";
|
|
break;
|
|
case 'z':
|
|
if (c == 'h') region = "CN";
|
|
else if (c == 'u') region = "ZA";
|
|
break;
|
|
}
|
|
return((xmlChar *)region);
|
|
}
|
|
|
|
/**
|
|
* xsltFreeLocale:
|
|
* @locale: the locale to free
|
|
*
|
|
* Frees a locale created with xsltNewLocale
|
|
*/
|
|
void
|
|
xsltFreeLocale(xsltLocale locale) {
|
|
#ifdef XSLT_LOCALE_XLOCALE
|
|
freelocale(locale);
|
|
#endif
|
|
}
|
|
|
|
/**
|
|
* xsltStrxfrm:
|
|
* @locale: locale created with xsltNewLocale
|
|
* @string: UTF-8 string to transform
|
|
*
|
|
* Transforms a string according to locale. The transformed string must then be
|
|
* compared with xsltLocaleStrcmp and freed with xmlFree.
|
|
*
|
|
* Returns the transformed string or NULL on error
|
|
*/
|
|
xsltLocaleChar *
|
|
xsltStrxfrm(xsltLocale locale, const xmlChar *string)
|
|
{
|
|
#ifdef XSLT_LOCALE_NONE
|
|
return(NULL);
|
|
#else
|
|
size_t xstrlen, r;
|
|
xsltLocaleChar *xstr;
|
|
|
|
#ifdef XSLT_LOCALE_XLOCALE
|
|
xstrlen = strxfrm_l(NULL, (const char *)string, 0, locale) + 1;
|
|
xstr = (xsltLocaleChar *) xmlMalloc(xstrlen);
|
|
if (xstr == NULL) {
|
|
xsltTransformError(NULL, NULL, NULL,
|
|
"xsltStrxfrm : out of memory error\n");
|
|
return(NULL);
|
|
}
|
|
|
|
r = strxfrm_l((char *)xstr, (const char *)string, xstrlen, locale);
|
|
#endif
|
|
|
|
#ifdef XSLT_LOCALE_WINAPI
|
|
xstrlen = MultiByteToWideChar(CP_UTF8, 0, string, -1, NULL, 0);
|
|
if (xstrlen == 0) {
|
|
xsltTransformError(NULL, NULL, NULL, "xsltStrxfrm : MultiByteToWideChar check failed\n");
|
|
return(NULL);
|
|
}
|
|
xstr = (xsltLocaleChar*) xmlMalloc(xstrlen * sizeof(xsltLocaleChar));
|
|
if (xstr == NULL) {
|
|
xsltTransformError(NULL, NULL, NULL, "xsltStrxfrm : out of memory\n");
|
|
return(NULL);
|
|
}
|
|
r = MultiByteToWideChar(CP_UTF8, 0, string, -1, xstr, xstrlen);
|
|
if (r == 0) {
|
|
xsltTransformError(NULL, NULL, NULL, "xsltStrxfrm : MultiByteToWideChar failed\n");
|
|
xmlFree(xstr);
|
|
return(NULL);
|
|
}
|
|
return(xstr);
|
|
#endif /* XSLT_LOCALE_WINAPI */
|
|
|
|
if (r >= xstrlen) {
|
|
xsltTransformError(NULL, NULL, NULL, "xsltStrxfrm : strxfrm failed\n");
|
|
xmlFree(xstr);
|
|
return(NULL);
|
|
}
|
|
|
|
return(xstr);
|
|
#endif /* XSLT_LOCALE_NONE */
|
|
}
|
|
|
|
/**
|
|
* xsltLocaleStrcmp:
|
|
* @locale: a locale identifier
|
|
* @str1: a string transformed with xsltStrxfrm
|
|
* @str2: a string transformed with xsltStrxfrm
|
|
*
|
|
* Compares two strings transformed with xsltStrxfrm
|
|
*
|
|
* Returns a value < 0 if str1 sorts before str2,
|
|
* a value > 0 if str1 sorts after str2,
|
|
* 0 if str1 and str2 are equal wrt sorting
|
|
*/
|
|
int
|
|
xsltLocaleStrcmp(xsltLocale locale, const xsltLocaleChar *str1, const xsltLocaleChar *str2) {
|
|
(void)locale;
|
|
#ifdef XSLT_LOCALE_WINAPI
|
|
{
|
|
int ret;
|
|
if (str1 == str2) return(0);
|
|
if (str1 == NULL) return(-1);
|
|
if (str2 == NULL) return(1);
|
|
ret = CompareStringW(locale, 0, str1, -1, str2, -1);
|
|
if (ret == 0) {
|
|
xsltTransformError(NULL, NULL, NULL, "xsltLocaleStrcmp : CompareStringW fail\n");
|
|
return(0);
|
|
}
|
|
return(ret - 2);
|
|
}
|
|
#else
|
|
return(xmlStrcmp(str1, str2));
|
|
#endif
|
|
}
|
|
|
|
#ifdef XSLT_LOCALE_WINAPI
|
|
/**
|
|
* xsltCountSupportedLocales:
|
|
* @lcid: not used
|
|
*
|
|
* callback used to count locales
|
|
*
|
|
* Returns TRUE
|
|
*/
|
|
BOOL CALLBACK
|
|
xsltCountSupportedLocales(LPSTR lcid) {
|
|
(void) lcid;
|
|
++xsltLocaleListSize;
|
|
return(TRUE);
|
|
}
|
|
|
|
/**
|
|
* xsltIterateSupportedLocales:
|
|
* @lcid: not used
|
|
*
|
|
* callback used to track locales
|
|
*
|
|
* Returns TRUE if not at the end of the array
|
|
*/
|
|
BOOL CALLBACK
|
|
xsltIterateSupportedLocales(LPSTR lcid) {
|
|
static int count = 0;
|
|
xmlChar iso639lang [XSLTMAX_ISO639LANGLEN +1];
|
|
xmlChar iso3136ctry[XSLTMAX_ISO3166CNTRYLEN+1];
|
|
int k, l;
|
|
xsltRFC1766Info *p = xsltLocaleList + count;
|
|
|
|
k = sscanf(lcid, "%lx", (long*)&p->lcid);
|
|
if (k < 1) goto end;
|
|
/*don't count terminating null character*/
|
|
k = GetLocaleInfoA(p->lcid, LOCALE_SISO639LANGNAME , iso639lang , sizeof(iso639lang ));
|
|
if (--k < 1) goto end;
|
|
l = GetLocaleInfoA(p->lcid, LOCALE_SISO3166CTRYNAME, iso3136ctry, sizeof(iso3136ctry));
|
|
if (--l < 1) goto end;
|
|
|
|
{ /*fill results*/
|
|
xmlChar *q = p->tag;
|
|
memcpy(q, iso639lang, k);
|
|
q += k;
|
|
*q++ = '-';
|
|
memcpy(q, iso3136ctry, l);
|
|
q += l;
|
|
*q = '\0';
|
|
}
|
|
++count;
|
|
end:
|
|
return((count < xsltLocaleListSize) ? TRUE : FALSE);
|
|
}
|
|
|
|
|
|
static void
|
|
xsltEnumSupportedLocales(void) {
|
|
xmlRMutexLock(xsltLocaleMutex);
|
|
if (xsltLocaleListSize <= 0) {
|
|
size_t len;
|
|
|
|
EnumSystemLocalesA(xsltCountSupportedLocales, LCID_SUPPORTED);
|
|
|
|
len = xsltLocaleListSize * sizeof(xsltRFC1766Info);
|
|
xsltLocaleList = xmlMalloc(len);
|
|
memset(xsltLocaleList, 0, len);
|
|
EnumSystemLocalesA(xsltIterateSupportedLocales, LCID_SUPPORTED);
|
|
}
|
|
xmlRMutexUnlock(xsltLocaleMutex);
|
|
}
|
|
|
|
#endif /*def XSLT_LOCALE_WINAPI*/
|