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Code Issues Releases Wiki Activity

charset_conv: drop enca and libguess support

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Enca is dead. libguess is relatively useless due to not having an
universal detection mode. On the other hand, libuchardet is actively
developed.

Manpages changes in the following commit.
This commit is contained in:
wm4 2016-12-09 19:48:47 +01:00
parent 2aebf3e482
commit 0eb87e1baf
2 changed files with 0 additions and 77 deletions
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67
misc/charset_conv.c
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@ -28,14 +28,6 @@
#include "common/msg.h"
#if HAVE_ENCA
#include <enca.h>
#endif
#if HAVE_LIBGUESS
#include <libguess.h>
#endif
#if HAVE_UCHARDET
#include <uchardet.h>
#endif
@ -111,57 +103,6 @@ static const char *ms_bom_guess(bstr buf)
return NULL;
}
#if HAVE_ENCA
static const char *enca_guess(struct mp_log *log, bstr buf, const char *language)
{
// Do our own UTF-8 detection, because ENCA seems to get it wrong sometimes
// (suggested by divVerent). Explicitly allow cut-off UTF-8.
if (bstr_validate_utf8(buf) > -8)
return "UTF-8";
if (!language || !language[0])
language = "__"; // neutral language
const char *detected_cp = NULL;
EncaAnalyser analyser = enca_analyser_alloc(language);
if (analyser) {
enca_set_termination_strictness(analyser, 0);
EncaEncoding enc = enca_analyse_const(analyser, buf.start, buf.len);
const char *tmp = enca_charset_name(enc.charset, ENCA_NAME_STYLE_ICONV);
if (tmp && enc.charset != ENCA_CS_UNKNOWN)
detected_cp = tmp;
enca_analyser_free(analyser);
} else {
mp_err(log, "ENCA doesn't know language '%s'\n", language);
size_t langcnt;
const char **languages = enca_get_languages(&langcnt);
mp_err(log, "ENCA supported languages:");
for (int i = 0; i < langcnt; i++)
mp_err(log, " %s", languages[i]);
mp_err(log, "\n");
free(languages);
}
return detected_cp;
}
#endif
#if HAVE_LIBGUESS
static const char *libguess_guess(struct mp_log *log, bstr buf,
const char *language)
{
if (!language || !language[0] || strcmp(language, "help") == 0) {
mp_err(log, "libguess needs a language: "
"japanese taiwanese chinese korean russian arabic turkish "
"greek hebrew polish baltic\n");
return NULL;
}
return libguess_determine_encoding(buf.start, buf.len, language);
}
#endif
#if HAVE_UCHARDET
static const char *mp_uchardet(void *talloc_ctx, struct mp_log *log, bstr buf)
{
@ -232,14 +173,6 @@ const char *mp_charset_guess(void *talloc_ctx, struct mp_log *log, bstr buf,
type = bstr0("auto");
}
#if HAVE_ENCA
if (bstrcasecmp0(type, "enca") == 0)
res = enca_guess(log, buf, lang);
#endif
#if HAVE_LIBGUESS
if (bstrcasecmp0(type, "guess") == 0)
res = libguess_guess(log, buf, lang);
#endif
#if HAVE_UCHARDET
if (bstrcasecmp0(type, "uchardet") == 0)
res = mp_uchardet(talloc_ctx, log, buf);

10
wscript
View File

@ -355,16 +355,6 @@ iconv support use --disable-iconv.",
'name': '--cdda',
'desc': 'cdda support (libcdio)',
'func': check_pkg_config('libcdio_paranoia'),
}, {
'name': '--enca',
'desc': 'ENCA support',
'deps': [ 'iconv' ],
'func': check_statement('enca.h', 'enca_get_languages(NULL)', lib='enca'),
}, {
'name': '--libguess',
'desc': 'libguess support',
'deps': [ 'iconv' ],
'func': check_pkg_config('libguess', '>= 1.0'),
}, {
'name': '--uchardet',
'desc': 'uchardet support',