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-rw-r--r--libxslt/xsltlocale.c525
1 files changed, 525 insertions, 0 deletions
diff --git a/libxslt/xsltlocale.c b/libxslt/xsltlocale.c
new file mode 100644
index 0000000..b5fe986
--- /dev/null
+++ b/libxslt/xsltlocale.c
@@ -0,0 +1,525 @@
+/*
+ * 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
+ */
+
+#define IN_LIBXSLT
+#include "libxslt.h"
+
+#include <string.h>
+#include <libxml/xmlmemory.h>
+
+#include "xsltlocale.h"
+#include "xsltutils.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*/
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