virtual log4cxx_status_t decode(ByteBuffer& in,
LogString& out) {
const char* p = in.current();
size_t i = in.position();
#if !LOG4CXX_CHARSET_EBCDIC
for (; i < in.limit() && ((unsigned int) *p) < 0x80; i++, p++) {
out.append(1, *p);
}
in.position(i);
#endif
if (i < in.limit()) {
Pool subpool;
const char* enc = apr_os_locale_encoding(subpool.getAPRPool());
{
synchronized sync(mutex);
if (enc == 0) {
if (decoder == 0) {
encoding = "C";
decoder = new USASCIICharsetDecoder();
}
} else if (encoding != enc) {
encoding = enc;
try {
LogString e;
Transcoder::decode(encoding, e);
decoder = getDecoder(e);
} catch (IllegalArgumentException& ex) {
decoder = new USASCIICharsetDecoder();
}
}
}
return decoder->decode(in, out);
}
return APR_SUCCESS;
}
/* gets the current encoding of the system */
MVMString * MVM_proc_getencoding(MVMThreadContext *tc) {
MVMString *result;
apr_status_t rv;
apr_pool_t *tmp_pool;
char *encoding;
/* need a temporary pool */
if ((rv = apr_pool_create(&tmp_pool, POOL(tc))) != APR_SUCCESS) {
MVM_exception_throw_apr_error(tc, rv, "Failed to get encoding: ");
}
encoding = (char *)apr_os_locale_encoding(tmp_pool);
result = MVM_string_utf8_decode(tc, tc->instance->VMString, encoding, strlen(encoding));
apr_pool_destroy(tmp_pool);
return result;
}
static apr_status_t
get_page_id_from_name(UINT *page_id_p, const char *page_name, apr_pool_t *pool)
{
IMultiLanguage * mlang = NULL;
HRESULT hr;
MIMECSETINFO page_info;
WCHAR ucs2_page_name[128];
if (page_name == SVN_APR_DEFAULT_CHARSET)
{
*page_id_p = CP_ACP;
return APR_SUCCESS;
}
else if (page_name == SVN_APR_LOCALE_CHARSET)
{
OSVERSIONINFO ver_info;
ver_info.dwOSVersionInfoSize = sizeof(ver_info);
/* CP_THREAD_ACP supported only on Windows 2000 and later.*/
if (GetVersionEx(&ver_info) && ver_info.dwMajorVersion >= 5
&& ver_info.dwPlatformId == VER_PLATFORM_WIN32_NT)
{
*page_id_p = CP_THREAD_ACP;
return APR_SUCCESS;
}
/* CP_THREAD_ACP isn't supported on current system, so get locale
encoding name from APR. */
page_name = apr_os_locale_encoding(pool);
}
else if (!strcmp(page_name, "UTF-8"))
{
*page_id_p = CP_UTF8;
return APR_SUCCESS;
}
/* Use codepage identifier nnn if the codepage name is in the form
of "CPnnn".
We need this code since apr_os_locale_encoding() and svn_cmdline_init()
generates such codepage names even if they are not valid IANA charset
name. */
if ((page_name[0] == 'c' || page_name[0] == 'C')
&& (page_name[1] == 'p' || page_name[1] == 'P'))
{
*page_id_p = atoi(page_name + 2);
return APR_SUCCESS;
}
hr = CoCreateInstance(&CLSID_CMultiLanguage, NULL, CLSCTX_INPROC_SERVER,
&IID_IMultiLanguage, (void **) &mlang);
if (FAILED(hr))
return APR_EGENERAL;
/* Convert page name to wide string. */
MultiByteToWideChar(CP_UTF8, 0, page_name, -1, ucs2_page_name,
sizeof(ucs2_page_name) / sizeof(ucs2_page_name[0]));
memset(&page_info, 0, sizeof(page_info));
hr = mlang->lpVtbl->GetCharsetInfo(mlang, ucs2_page_name, &page_info);
if (FAILED(hr))
{
mlang->lpVtbl->Release(mlang);
return APR_EINVAL;
}
if (page_info.uiInternetEncoding)
*page_id_p = page_info.uiInternetEncoding;
else
*page_id_p = page_info.uiCodePage;
mlang->lpVtbl->Release(mlang);
return APR_SUCCESS;
}
