Language autodetection

    - rccConfigRecode function's are added
    - Language autodetection using aspell is added
    - Translation in 3 modes: "To English Language", "Skip English Translation", "Full"
    - Example2 to demonstrate translation possibilities

25 files changed, 795 insertions, 84 deletions

diff --git a/ToDo b/ToDo
index 8167c92..fdb843f 100644
--- a/ToDo
+++ b/ToDo
@@ -1,4 +1,4 @@
-0.2.x:
+0.3.x:
     - Common encodings:
 	+ Provide way to add to all languages several default Unicode encodings (UTF8, UTF16, UTF16BE)
 	+ Special type of classes to select only from Unicode encodings (or even just specified subset of encodings)
@@ -8,9 +8,8 @@
 	    * Code some options in charset name. (SpecialEncodingPrefix_Encoding_EncodingOptions)
     - Buffer managment:
 	+ SetBufferSize ( 0 - autogrow )
-    - Language autodetection
-	+ Using spellchecker (aspell)
-    - Look on ofline translation libraries    
+    - Look on ofline translation libraries and other possibilities to improove 
+      translation and language detection.
 
 on request:
     - Multibyte(not-UTF8) support for FS classes
diff --git a/configure.in b/configure.in
index b833095..16051b5 100644
--- a/configure.in
+++ b/configure.in
@@ -194,6 +194,13 @@ else
 fi
 fi
 
+AM_PATH_ASPELL([
+    AC_DEFINE(HAVE_ASPELL,1,[Defines if aspell is available])
+    HAVE_ASPELL=yes
+],[
+    HAVE_ASPELL=no
+])
+
 dnl Checks for typedefs, structures, and compiler characteristics.
 AC_C_CONST
 
@@ -209,6 +216,7 @@ echo "  Enca Charset Detection Support:        $HAVE_ENCA"
 echo "  LibRCD Charset Detection Support:      $HAVE_RCD"
 echo ""
 echo "  Multilanguage support with DB4:        $HAVE_BDB"
+echo "  Language autodetection using aspell:   $HAVE_ASPELL"
 echo "  Libtranslate support:                  $HAVE_LIBTRANSLATE"
 echo "  Libtranslate Timed Translate:          $HAVE_LIBTRANSLATE_TIMED_TRANSLATE"
 echo ""
diff --git a/examples/Makefile.am b/examples/Makefile.am
index 99b7506..710b7dc 100644
--- a/examples/Makefile.am
+++ b/examples/Makefile.am
@@ -20,6 +20,9 @@ endif
 
 EXTRA_DIST= input-russian.txt rcc.xml rcc-example.xml mpg123-rcc.patch
 
+test: example2
+	cat input-russian.txt | ./example2
+
 test-russian: example2
 	cat input-russian.txt | ./example2 ru
 
diff --git a/examples/example2.c b/examples/example2.c
index cc4a3fa..5ef3efb 100644
--- a/examples/example2.c
+++ b/examples/example2.c
@@ -24,27 +24,26 @@ int main(int argc, char *argv[]) {
     rccInit();
     rccInitDefaultContext(NULL, 0, 0, classes, 0);
     rccInitDb4(NULL, "example", 0);
-    rccSetOption(NULL, RCC_OPTION_TRANSLATE, 1);
-
-//    rccExternalInit();
-//    rccExternalFree();
+    rccSetOption(NULL, RCC_OPTION_TRANSLATE, RCC_OPTION_TRANSLATE_FULL);
 
     current_language_id = rccGetCurrentLanguage(NULL);
     english_language_id = rccGetLanguageByName(NULL, "en");
     if (argc>1) rccSetLanguageByName(NULL, argv[1]);
+    else rccSetOption(NULL, RCC_OPTION_AUTODETECT_LANGUAGE, 1);
     language_id = rccGetCurrentLanguage(NULL);
 
     language = rccGetCurrentLanguageName(NULL);
     if (language) printf("Current Language: %s\n\n", language);
-    else printf("Unable Detect Language\n\n");
+    else {
+	printf("Unable Detect Language, using english\n\n");
+	rccSetLanguageByName(NULL, "en");
+    }
     
     while (fgets(buf,255,stdin)) {
 	if (strlen(buf)<2) break;
 	
-	rccSetLanguage(NULL, language_id);
 	rccstring = rccFrom(NULL, 0, buf);
 	if (rccstring) {
-	    rccSetLanguage(NULL, english_language_id);
 	    recoded = rccTo(NULL, 1, rccstring);
 	    if (recoded) {
 		printf(recoded);
diff --git a/examples/input-russian.txt b/examples/input-russian.txt
index 8ea6e44..b89c105 100644
--- a/examples/input-russian.txt
+++ b/examples/input-russian.txt
@@ -2,3 +2,5 @@
 ïðèâåò
 ¯à¨¢¥â
 привет
+Good Morning
+Guten Abend
diff --git a/examples/rcc-gtk-config.c b/examples/rcc-gtk-config.c
index d0775a6..7758f09 100644
--- a/examples/rcc-gtk-config.c
+++ b/examples/rcc-gtk-config.c
@@ -38,15 +38,15 @@ int main (int argc, char *argv[])
     if (argc<1) config = argv[0];
     else config = argv[1];
 
+    gtk_set_locale ();
+    gtk_init (&argc, &argv);
+
     rccInit();
     rccUiInit();
     ctx = rccCreateContext(NULL, 0, 0, classes, 0);
     rccLoad(ctx, config);
     uictx = rccUiCreateContext(ctx);
 
-    gtk_set_locale ();
-    gtk_init (&argc, &argv);
-
     window1 = gtk_window_new (GTK_WINDOW_TOPLEVEL);
     gtk_window_set_policy(GTK_WINDOW (window1), FALSE, FALSE, TRUE);
     gtk_window_set_title (GTK_WINDOW (window1), "LibRCC Config");
diff --git a/m4/aspell.m4 b/m4/aspell.m4
new file mode 100644
index 0000000..164e534
--- /dev/null
+++ b/m4/aspell.m4
@@ -0,0 +1,44 @@
+# This file is part of GNOME Translate.
+#
+# Copyright (C) 2004 Jean-Yves Lefort.
+#
+# As a special exception to the GNOME Translate licensing terms,
+# Jean-Yves Lefort gives unlimited permission to copy, distribute and
+# modify this file.
+
+dnl AM_PATH_ASPELL([ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
+dnl
+AC_DEFUN([AM_PATH_ASPELL],
+[ASPELL_CFLAGS=""
+ASPELL_LIBS="-laspell"
+
+ac_save_CFLAGS="$CFLAGS"
+ac_save_LIBS="$LIBS"
+CFLAGS="$CFLAGS $ASPELL_CFLAGS"
+LIBS="$LIBS $ASPELL_LIBS"
+
+AC_MSG_CHECKING([for Aspell])
+AC_RUN_IFELSE([
+#include <aspell.h>
+
+int main() {
+  new_aspell_config;
+
+  exit(0);
+}
+], [found=yes], [found=no], [found=yes])
+AC_MSG_RESULT($found)
+
+CFLAGS="$ac_save_CFLAGS"
+LIBS="$ac_save_LIBS"
+
+if test $found = yes; then
+	ifelse([$1],, :, [$1])
+else
+	ASPELL_CFLAGS=""
+	ASPELL_LIBS=""
+	ifelse([$2],, :, [$2])
+fi
+
+AC_SUBST(ASPELL_CFLAGS)
+AC_SUBST(ASPELL_LIBS)])
diff --git a/src/Makefile.am b/src/Makefile.am
index baa08a4..4ba3c35 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -12,6 +12,7 @@ librcc_la_SOURCES = librcc.c \
     fake_enca.h fake_rcd.h \
     rccenca.c rccenca.h \
     rccdb4.c rccdb4.h \
+    rccspell.c rccspell.h \
     engine.c engine.h \
     rccstring.c rccstring.h \
     rccxml.c rccxml.h \
@@ -22,7 +23,7 @@ librcc_la_SOURCES = librcc.c \
     internal.h
 include_HEADERS = librcc.h
 
-AM_CPPFLAGS = -I../src -DLIBRCC_DATA_DIR=\"${pkgdatadir}\" @XML_INCLUDES@ @DLOPEN_INCLUDES@ @RCD_INCLUDES@ @ENCA_INCLUDES@ @BDB_INCLUDES@
-librcc_la_LIBADD = @XML_LIBS@ @DLOPEN_LIBS@ @RCD_LIBS@ @ENCA_LIBS@ @BDB_LIBS@
+AM_CPPFLAGS = -I../src -DLIBRCC_DATA_DIR=\"${pkgdatadir}\" @XML_INCLUDES@ @DLOPEN_INCLUDES@ @RCD_INCLUDES@ @ENCA_INCLUDES@ @BDB_INCLUDES@ @ASPELL_CFLAGS@
+librcc_la_LIBADD = @XML_LIBS@ @DLOPEN_LIBS@ @RCD_LIBS@ @ENCA_LIBS@ @BDB_LIBS@ @ASPELL_LIBS@
 librcc_la_LDFLAGS = -version-info @LIBRCC_VERSION_INFO@
 
diff --git a/src/librcc.h b/src/librcc.h
index 52e6be4..d08937e 100644
--- a/src/librcc.h
+++ b/src/librcc.h
@@ -364,6 +364,23 @@ typedef int rcc_option_value;
 #define RCC_OPTION_LEARNING_FLAG_LEARN 2
 
 /**
+  * Switch translation off.
+  */
+#define RCC_OPTION_TRANSLATE_OFF 0
+/**
+  * Translate data to english language (Current language don't matter).
+  */
+#define RCC_OPTION_TRANSLATE_TO_ENGLISH 1
+/**
+  * Skip translation of the english text.
+  */
+#define RCC_OPTION_TRANSLATE_SKIP_ENGLISH 2
+/**
+  * Translate whole data to the current language.
+  */
+#define RCC_OPTION_TRANSLATE_FULL 3
+
+/**
   * List of options available
   */
 typedef enum rcc_option_t {
@@ -371,8 +388,9 @@ typedef enum rcc_option_t {
     RCC_OPTION_AUTODETECT_FS_TITLES,	/**< Detect titles of #RCC_CLASS_FS classes */
     RCC_OPTION_AUTODETECT_FS_NAMES,	/**< Try to find encoding of #RCC_CLASS_FS by accessing fs */
     RCC_OPTION_CONFIGURED_LANGUAGES_ONLY, /**< Use only configured languages or languages with auto-engines */
-    RCC_OPTION_TRANSLATE,		/**< Translate #rcc_string if it's language differs from current one */
     RCC_OPTION_AUTOENGINE_SET_CURRENT,	/**< If enabled autodetection engine will set current charset */
+    RCC_OPTION_AUTODETECT_LANGUAGE,	/**< Enables language detection */
+    RCC_OPTION_TRANSLATE,		/**< Translate #rcc_string if it's language differs from current one */
     RCC_MAX_OPTIONS
 } rcc_option;
 
@@ -970,6 +988,26 @@ int rccTranslateSetTimeout(rcc_translate translate, unsigned long us);
 char *rccTranslate(rcc_translate translate, const char *buf);
 
 /* recode.c */
+
+/**
+  * Tries to detect language of string
+  * @param ctx is working context ( or default one if NULL supplied )
+  * @param class_id is encoding class
+  * @param buf is original string (perhaps not zero terminated)
+  * @param len is exact size of string or 0. In the last case the size is determined using 'strlen' function.
+  * @result is language_id or -1 if autodetection is failed
+  */
+rcc_language_id rccDetectLanguage(rcc_context ctx, rcc_class_id class_id, const char *buf, size_t len);
+/**
+  * Tries to detect charset of string
+  * @param ctx is working context ( or default one if NULL supplied )
+  * @param class_id is encoding class
+  * @param buf is original string (perhaps not zero terminated)
+  * @param len is exact size of string or 0. In the last case the size is determined using 'strlen' function.
+  * @result is auto_charset_id or -1 if autodetection is failed
+  */
+int rccDetectCharset(rcc_context ctx, rcc_class_id class_id, const char *buf, size_t len);
+
 /**
   * Recode string from specified encoding class to #rcc_string. Encoding detection engines and
   * recoding cache are used (if possible) to detect original 'buf' encoding. Otherwise the 
@@ -1079,7 +1117,7 @@ char *rccSizedRecodeToCharset(rcc_context ctx, rcc_class_id class_id, const char
   * @param rlen in rlen the size of recoded string will be returned.
   * @result is recoded string or NULL if recoding is not required or failed. It is up to the caller to free memory.
   */
-char *rccSizedRecodeFromCharset(rcc_context ctx, rcc_class_id class_id, const char *charset, const char *buf, size_t len, size_t *rlen);
+rcc_string rccSizedRecodeFromCharset(rcc_context ctx, rcc_class_id class_id, const char *charset, const char *buf, size_t len, size_t *rlen);
 /**
   * Recode string between specified encodings. 
   *
@@ -1094,6 +1132,77 @@ char *rccSizedRecodeFromCharset(rcc_context ctx, rcc_class_id class_id, const ch
 char *rccSizedRecodeCharsets(rcc_context ctx, const char *from, const char *to, const char *buf, size_t len, size_t *rlen);
 
 
+/**
+  * Tries to detect charset of string
+  * @param config is language configuration
+  * @param class_id is encoding class
+  * @param buf is original string (perhaps not zero terminated)
+  * @param len is exact size of string or 0. In the last case the size is determined using 'strlen' function.
+  * @result is auto_charset_id or -1 if autodetection is failed
+  */
+rcc_autocharset_id rccConfigDetectCharset(rcc_language_config config, rcc_class_id class_id, const char *buf, size_t len);
+
+/**
+  * Recode string from specified encoding class to #rcc_string. Encoding detection engines and
+  * recoding cache are used (if possible) to detect original 'buf' encoding. Otherwise the 
+  * preconfigured encoding of class is assumed.
+  *
+  * @param config is language configuration
+  * @param class_id is encoding class
+  * @param buf is original string (perhaps not zero terminated)
+  * @param len is exact size of string or 0. In the last case the size is determined using 'strlen' function.
+  * @result is recoded string or NULL if recoding is not required or failed. It is up to the caller to free memory.
+  */
+rcc_string rccConfigSizedFrom(rcc_language_config config, rcc_class_id class_id, const char *buf, size_t len);
+/**
+  * Recode string from #rcc_string to specified encoding class. If encoding class is of 
+  * 'File System' type, the autoprobing for file names can be performed. In the other cases
+  * the rcc_string will be recoded in preconfigured class encoding.
+  *
+  * @param config is language configuration
+  * @param class_id is encoding class
+  * @param buf is original zero terminated string
+  * @param rlen in rlen the size of recoded string will be returned.
+  * @result is recoded string or NULL if recoding is not required or failed. It is up to the caller to free memory.
+  */
+char *rccConfigSizedTo(rcc_language_config config, rcc_class_id class_id, rcc_const_string buf, size_t *rlen);
+/**
+  * Recode string between different encoding classes. The conversion is relays on rccConfigSizedFrom
+  * and rccConfigSizedTo functions.
+  * @see rccConfigSizedFrom
+  * @see rccConfigSizedTo
+  *
+  * @param config is language configuration
+  * @param from is source encoding class
+  * @param to is destination encoding class
+  * @param buf is original string (perhaps not zero terminated)
+  * @param len is exact size of string or 0. In the last case the size is determined using 'strlen' function.
+  * @param rlen in rlen the size of recoded string will be returned.
+  * @result is recoded string or NULL if recoding is not required or failed. It is up to the caller to free memory.
+  */
+char *rccConfigSizedRecode(rcc_language_config config, rcc_class_id from, rcc_class_id to, const char *buf, size_t len, size_t *rlen);
+/**
+  * Recode string from specified encoding to #rcc_string. 
+  *
+  * @param config is language configuration
+  * @param charset is source encoding
+  * @param buf is original string (perhaps not zero terminated)
+  * @param len is exact size of string or 0. In the last case the size is determined using 'strlen' function.
+  * @result is recoded string or NULL if recoding is not required or failed. It is up to the caller to free memory.
+  */
+rcc_string rccConfigSizedRecodeFromCharset(rcc_language_config config, rcc_class_id class_id, const char *charset, const char *buf, size_t len, size_t *rlen);
+/**
+  * Recode string from #rcc_string to specified encoding. 
+  *
+  * @param config is language configuration
+  * @param charset is destination encoding
+  * @param buf is original zero terminated string
+  * @param rlen in rlen the size of recoded string will be returned.
+  * @result is recoded string or NULL if recoding is not required or failed. It is up to the caller to free memory.
+  */
+char *rccConfigSizedRecodeToCharset(rcc_language_config config, rcc_class_id class_id, const char *charset, rcc_const_string buf, size_t len, size_t *rlen);
+
+
 #define rccFrom(ctx, class_id, buf) rccSizedFrom(ctx, class_id, buf, 0)
 #define rccTo(ctx, class_id, buf) rccSizedTo(ctx, class_id, buf, NULL)
 #define rccRecode(ctx, from, to, buf) rccSizedRecode(ctx, from, to, buf, 0, NULL)
@@ -1104,6 +1213,12 @@ char *rccSizedRecodeCharsets(rcc_context ctx, const char *from, const char *to,
 #define rccRecodeFromCharset(ctx, class_id, charset, buf) rccSizedRecodeFromCharset(ctx, class_id, charset, buf, 0, NULL)
 #define rccRecodeCharsets(ctx, from, to, buf) rccSizedRecodeCharsets(ctx, from, to, buf, 0, NULL)
 
+#define rccConfigFrom(ctx, class_id, buf) rccConfigSizedFrom(ctx, class_id, buf, 0)
+#define rccConfigTo(ctx, class_id, buf) rccConfigSizedTo(ctx, class_id, buf, NULL)
+#define rccConfigRecode(ctx, from, to, buf) rccConfigSizedRecode(ctx, from, to, buf, 0, NULL)
+#define rccConfigRecodeToCharset(ctx, class_id, charset, buf) rccConfigSizedRecodeToCharset(ctx, class_id, charset, buf, 0, NULL)
+#define rccConfigRecodeFromCharset(ctx, class_id, charset, buf) rccConfigSizedRecodeFromCharset(ctx, class_id, charset, buf, 0, NULL)
+
 /*******************************************************************************
 ******************************** Options ***************************************
 *******************************************************************************/
diff --git a/src/lng.c b/src/lng.c
index b0ce7cd..4589de6 100644
--- a/src/lng.c
+++ b/src/lng.c
@@ -36,11 +36,39 @@ rcc_language_id rccGetLanguageByName(rcc_context ctx, const char *name) {
     return (rcc_language_id)-1;
 }
 
-static rcc_language_id rccGetDefaultLanguage(rcc_context ctx) {
-    unsigned int i;
+int rccCheckLanguageUsability(rcc_context ctx, rcc_language_id language_id) {
+    rcc_language_config config;
     rcc_option_value clo;
     rcc_engine_ptr *engines;
-    rcc_language_config config;
+    rcc_charset *charsets;
+
+    if (!ctx) {
+	if (rcc_default_ctx) ctx = rcc_default_ctx;
+	else return 0;
+    }
+    if (language_id>=ctx->n_languages) return 0;
+
+    language_id = rccGetRealLanguage(ctx, language_id);
+    
+    clo = rccGetOption(ctx, RCC_OPTION_CONFIGURED_LANGUAGES_ONLY);
+    if (clo) {
+	config = rccCheckConfig(ctx, (rcc_language_id)language_id);
+	if ((!config)||(!config->configured)) {
+	    charsets = ctx->languages[language_id]->charsets;
+	    if ((charsets[0])&&(charsets[1])&&(charsets[2])) {
+		if (clo == 1) {
+		    engines = ctx->languages[language_id]->engines;
+		    if ((!engines[0])||(!engines[1])) return 0;
+		} else return 0;
+	    }
+	}
+    }
+    return 1;
+}
+
+
+static rcc_language_id rccGetDefaultLanguage(rcc_context ctx) {
+    unsigned int i;
     char stmp[RCC_MAX_LANGUAGE_CHARS+1];
 
     if (ctx->default_language) return ctx->default_language;
@@ -48,16 +76,7 @@ static rcc_language_id rccGetDefaultLanguage(rcc_context ctx) {
     if (!rccLocaleGetLanguage(stmp, ctx->locale_variable, RCC_MAX_LANGUAGE_CHARS)) {
     	for (i=0;ctx->languages[i];i++) {
 	    if (!strcmp(ctx->languages[i]->sn, stmp)) {
-		clo = rccGetOption(ctx, RCC_OPTION_CONFIGURED_LANGUAGES_ONLY);
-		if (clo) {
-		    config = rccCheckConfig(ctx, (rcc_language_id)i);
-		    if ((!config)||(!config->configured)) {
-			if (clo == 1) {
-			    engines = ctx->languages[i]->engines;
-			    if ((!engines[0])||(!engines[1])) break;
-			} else break;
-		    }
-		}
+		if (!rccCheckLanguageUsability(ctx, (rcc_language_id)i)) break;
 		ctx->default_language = (rcc_language_id)i;
 		return (rcc_language_id)i;
 	    }
diff --git a/src/lng.h b/src/lng.h
index 7602e10..f3a7735 100644
--- a/src/lng.h
+++ b/src/lng.h
@@ -4,6 +4,8 @@
 #include "internal.h"
 #include "lngconfig.h"
 
+
+int rccCheckLanguageUsability(rcc_context ctx, rcc_language_id language_id);
 rcc_language_ptr rccGetLanguagePointer(rcc_context ctx, rcc_language_id language_id);
 
 #define rccGetCurrentEnginePointer(ctx) rccConfigGetCurrentEnginePointer(ctx->current_config)
diff --git a/src/lngconfig.c b/src/lngconfig.c
index c50ee74..26d0779 100644
--- a/src/lngconfig.c
+++ b/src/lngconfig.c
@@ -2,9 +2,12 @@
 #include <stdlib.h>
 #include <string.h>
 
+#include "../config.h"
+
 #include "internal.h"
 #include "rccconfig.h"
 #include "rcclocale.h"
+#include "lng.h"
 
 rcc_engine_ptr rccConfigGetEnginePointer(rcc_language_config config, rcc_engine_id engine_id) {
     unsigned int i;
@@ -165,6 +168,7 @@ int rccConfigInit(rcc_language_config config, rcc_context ctx) {
 
     config->fsiconv = NULL;
     config->trans = NULL;
+    config->entrans = NULL;
 
     config->ctx = ctx;
     config->language = NULL;
@@ -172,6 +176,7 @@ int rccConfigInit(rcc_language_config config, rcc_context ctx) {
     config->engine = -1;
     config->default_charset = dcharsets;
     config->configured = 0;
+    config->speller = NULL;
 
     config->iconv_to = iconv_to;
     config->configure = 1;
@@ -204,6 +209,10 @@ void rccConfigClear(rcc_language_config config) {
 	    rccTranslateClose(config->trans);
 	    config->trans = NULL;
 	}
+	if (config->entrans) {
+	    rccTranslateClose(config->entrans);
+	    config->entrans = NULL;
+	}
 	if (config->iconv_to) {
 	    free(config->iconv_to);
 	    config->iconv_to = NULL;
@@ -216,31 +225,55 @@ void rccConfigClear(rcc_language_config config) {
 	    free(config->default_charset);
 	    config->default_charset = NULL;
 	}
+	if (config->speller) {
+	    rccSpellerFree(config->speller);
+	    config->speller = NULL;
+	}
     }
 }
 
-rcc_language_config rccCheckConfig(rcc_context ctx, rcc_language_id language_id) {
-    rcc_language_id new_language_id;
-    
-    new_language_id = rccGetRealLanguage(ctx, language_id);
-    if ((new_language_id == (rcc_language_id)-1)||(new_language_id != language_id)) return NULL;
-    if (!ctx->configs[language_id].charset) return NULL;
-    if (!strcasecmp(ctx->languages[language_id]->sn, "off")) return NULL;
+static rcc_language_config rccGetConfigPointer(rcc_context ctx, rcc_language_id language_id, rcc_language_id *r_language_id) {
+
+    language_id = rccGetRealLanguage(ctx, language_id);
+    if (!strcasecmp(ctx->languages[language_id]->sn, rcc_disabled_language_sn)) return NULL;
+    if (r_language_id) *r_language_id = language_id;
 
     return ctx->configs + language_id;
 }
 
+rcc_language_config rccCheckConfig(rcc_context ctx, rcc_language_id language_id) {
+    rcc_language_config config;
+
+    config = rccGetConfigPointer(ctx, language_id, NULL);
+    if ((config)&&(!config->charset)) return NULL;
+
+    return config;
+}
+
+
+rcc_language_config rccGetUsableConfig(rcc_context ctx, rcc_language_id language_id) {
+    rcc_language_config config;
+
+    config = rccGetConfigPointer(ctx, language_id, &language_id);
+    if (config) {
+	if (!rccCheckLanguageUsability(ctx, language_id)) return NULL;
+	if ((!config->charset)&&(rccConfigInit(config, ctx))) return NULL;
+	config->language = ctx->languages[language_id];
+    }
+
+    return config;
+}
+
 rcc_language_config rccGetConfig(rcc_context ctx, rcc_language_id language_id) {
-    language_id = rccGetRealLanguage(ctx, language_id);
-    if (language_id == (rcc_language_id)-1) return NULL;
-    if (!strcasecmp(ctx->languages[language_id]->sn, "off")) return NULL;
-    
-    if (!ctx->configs[language_id].charset) {
-	if (rccConfigInit(ctx->configs+language_id, ctx)) return NULL;
-    }    
+    rcc_language_config config;
 
-    ctx->configs[language_id].language = ctx->languages[language_id];
-    return ctx->configs + language_id;
+    config = rccGetConfigPointer(ctx, language_id, &language_id);
+    if (config) {
+	if ((!config->charset)&&(rccConfigInit(config, ctx))) return NULL;
+	config->language = ctx->languages[language_id];
+    }
+
+    return config;
 }
 
 rcc_language_config rccGetConfigByName(rcc_context ctx, const char *name) {
@@ -261,6 +294,15 @@ rcc_language_config rccGetCurrentConfig(rcc_context ctx) {
     return rccGetConfig(ctx, language_id);
 }
 
+rcc_speller rccConfigGetSpeller(rcc_language_config config) {
+    if (!config) return NULL;
+    
+    if (config->speller) return config->speller;
+
+    config->speller = rccSpellerCreate(config->language->sn);
+    return config->speller;
+}
+
 rcc_engine_id rccConfigGetSelectedEngine(rcc_language_config config) {
     if (!config) return (rcc_engine_id)-1;
     
@@ -532,6 +574,161 @@ int rccConfigConfigure(rcc_language_config config) {
     return 0;
 }
 
+
+rcc_string rccConfigSizedFrom(rcc_language_config config, rcc_class_id class_id, const char *buf, size_t len) {
+    rcc_context ctx;
+    rcc_string result;
+    rcc_option_value usedb4;
+    rcc_autocharset_id charset_id;
+    const char *charset;
+
+
+    if (!config) return NULL;
+    ctx = config->ctx;
+
+    if (rccStringSizedCheck(buf, len)) return NULL;
+    
+    usedb4 = rccGetOption(ctx, RCC_OPTION_LEARNING_MODE);
+
+    if (usedb4&RCC_OPTION_LEARNING_FLAG_USE) {
+	result = rccDb4GetKey(ctx->db4ctx, buf, len);
+	if (result) {
+	     if (rccStringFixID(result, ctx)) free(result);
+	     else return result;
+	}
+    }
+
+    charset_id = rccConfigDetectCharset(config, class_id, buf, len);
+    if (charset_id != (rcc_autocharset_id)-1)
+	charset = rccConfigGetAutoCharsetName(config, charset_id);
+    else
+	charset = rccConfigGetCurrentCharsetName(config, class_id);
+    
+    if (charset) {
+	result = rccSizedFromCharset(ctx, charset, buf, len);
+	if (result) rccStringChangeID(result, rccGetLanguageByName(ctx, config->language->sn));
+	return result;
+    }
+    
+    return NULL;
+}
+
+char *rccConfigSizedTo(rcc_language_config config, rcc_class_id class_id, rcc_const_string buf, size_t *rlen) {
+    rcc_context ctx;
+    const char *charset;
+
+    if (!config) return NULL;
+    ctx = config->ctx;
+
+    charset = rccConfigGetCurrentCharsetName(config, class_id);
+
+    if (charset)
+	return rccSizedToCharset(ctx, charset, buf, rlen);
+    
+    return NULL;
+}
+
+
+char *rccConfigSizedRecode(rcc_language_config config, rcc_class_id from, rcc_class_id to, const char *buf, size_t len, size_t *rlen) {
+    rcc_context ctx;
+    rcc_string result;
+    rcc_option_value usedb4;
+    rcc_autocharset_id charset_id;
+    rcc_string stmp;
+    const char *tocharset, *fromcharset;
+
+
+    if (!config) return NULL;
+    ctx = config->ctx;
+
+    if (rccStringSizedCheck(buf, len)) return NULL;
+    
+    usedb4 = rccGetOption(ctx, RCC_OPTION_LEARNING_MODE);
+
+    if (usedb4&RCC_OPTION_LEARNING_FLAG_USE) {
+	stmp = rccDb4GetKey(ctx->db4ctx, buf, len);
+	if (stmp) {
+	     if (rccStringFixID(stmp, ctx)) free(stmp);
+	     else {
+		result = rccConfigSizedTo(config, to, stmp, rlen);
+		free(stmp);
+		return result;
+	    }
+	}
+    }
+
+    charset_id = rccConfigDetectCharset(config, from, buf, len);
+    if (charset_id != (rcc_autocharset_id)-1)
+	fromcharset = rccConfigGetAutoCharsetName(config, charset_id);
+    else
+	fromcharset = rccConfigGetCurrentCharsetName(config, from);
+    
+    tocharset = rccConfigGetCurrentCharsetName(config, to);
+    
+    if ((fromcharset)&&(tocharset))
+	return rccSizedRecodeCharsets(ctx, fromcharset, tocharset, buf, len, rlen);
+
+    return NULL;
+
+}
+
+
+char *rccConfigSizedRecodeToCharset(rcc_language_config config, rcc_class_id class_id, const char *charset, rcc_const_string buf, size_t len, size_t *rlen) {
+    rcc_context ctx;
+    rcc_string result;
+    rcc_option_value usedb4;
+    rcc_autocharset_id charset_id;
+    rcc_string stmp;
+    const char *ocharset;
+
+
+    if (!config) return NULL;
+    ctx = config->ctx;
+
+    if (rccStringSizedCheck(buf, len)) return NULL;
+    
+    usedb4 = rccGetOption(ctx, RCC_OPTION_LEARNING_MODE);
+
+    if (usedb4&RCC_OPTION_LEARNING_FLAG_USE) {
+	stmp = rccDb4GetKey(ctx->db4ctx, buf, len);
+	if (stmp) {
+	     if (rccStringFixID(stmp, ctx)) free(stmp);
+	     else {
+		result = rccSizedToCharset(ctx, charset, stmp, rlen);
+		free(stmp);
+	        return result;
+	    }
+	}
+    }
+
+    charset_id = rccConfigDetectCharset(config, class_id, buf, len);
+    if (charset_id != (rcc_autocharset_id)-1)
+	ocharset = rccConfigGetAutoCharsetName(config, charset_id);
+    else
+	ocharset = rccConfigGetCurrentCharsetName(config, class_id);
+    
+    if (ocharset)
+	return rccSizedRecodeCharsets(ctx, ocharset, charset, buf, len, rlen);
+
+    return NULL;
+}
+
+char *rccConfigSizedRecodeFromCharset(rcc_language_config config, rcc_class_id class_id, const char *charset, const char *buf, size_t len, size_t *rlen) {
+    rcc_context ctx;
+    const char *ocharset;
+
+    if (!config) return NULL;
+    ctx = config->ctx;
+
+    ocharset = rccConfigGetCurrentCharsetName(config, class_id);
+
+    if (ocharset)
+	return rccSizedRecodeCharsets(ctx, charset, ocharset, buf, len, rlen);
+
+    return NULL;
+}
+
+
 /*
     rcc_option_value options[RCC_MAX_OPTIONS];
 
diff --git a/src/lngconfig.h b/src/lngconfig.h
index 92cc050..9d23139 100644
--- a/src/lngconfig.h
+++ b/src/lngconfig.h
@@ -3,6 +3,7 @@
 
 #include "rcciconv.h"
 #include "rcctranslate.h"
+#include "rccspell.h"
 
 struct rcc_language_config_t {
     rcc_context ctx;
@@ -17,8 +18,10 @@ struct rcc_language_config_t {
     
     unsigned char configured;
 
+    rcc_speller speller;
     rcc_translate trans;
     rcc_language_id translang;
+    rcc_translate entrans;
     
     rcc_iconv fsiconv;
 };
@@ -30,9 +33,13 @@ rcc_engine_ptr rccConfigCheckEnginePointer(rcc_language_config config, rcc_engin
 rcc_engine_ptr rccConfigGetCurrentEnginePointer(rcc_language_config config);
 rcc_engine_ptr rccConfigCheckCurrentEnginePointer(rcc_language_config config);
 
+rcc_speller rccConfigGetSpeller(rcc_language_config config);
+
 int rccConfigInit(rcc_language_config config, rcc_context ctx);
 void rccConfigClear(rcc_language_config config);
 
+rcc_language_config rccGetUsableConfig(rcc_context ctx, rcc_language_id language_id);
+
 int rccConfigConfigure(rcc_language_config config);
 
 rcc_charset_id rccConfigGetLocaleUnicodeCharset(rcc_language_config config, const char *locale_variable);
diff --git a/src/rccconfig.c b/src/rccconfig.c
index ed6d30a..f820606 100644
--- a/src/rccconfig.c
+++ b/src/rccconfig.c
@@ -12,13 +12,18 @@ rcc_language_alias rcc_default_aliases[] = {
     { NULL, NULL}
 };
 
+const char rcc_default_language_sn[] = "default";
+const char rcc_disabled_language_sn[] = "Off";
+const char rcc_english_language_sn[] = "en";
+const char rcc_disabled_engine_sn[] = "Off";
 const char rcc_default_charset[] = "Default";
+
 const char rcc_utf8_charset[] = "UTF-8";
 const char rcc_engine_nonconfigured[] = "Default";
 const char rcc_option_nonconfigured[] = "DEFAULT";
 
 rcc_engine rcc_default_engine = {
-    "Off", NULL, NULL, NULL, {NULL}
+    rcc_disabled_engine_sn, NULL, NULL, NULL, {NULL}
 };
 
 rcc_engine rcc_russian_engine = {
@@ -32,11 +37,11 @@ rcc_engine rcc_ukrainian_engine = {
 rcc_language rcc_default_languages[RCC_MAX_LANGUAGES + 1];
 
 rcc_language rcc_default_languages_embeded[RCC_MAX_LANGUAGES + 1] = {
-{"default", {rcc_default_charset, NULL}, {
+{rcc_default_language_sn, {rcc_default_charset, NULL}, {
     &rcc_default_engine,
     NULL
 }},
-{"off", {rcc_default_charset, NULL}, {
+{rcc_disabled_language_sn, {rcc_default_charset, NULL}, {
     &rcc_default_engine,
     NULL
 }},
@@ -112,14 +117,28 @@ rcc_language rcc_default_languages_embeded[RCC_MAX_LANGUAGES + 1] = {
 rcc_option_value_name rcc_sn_boolean[] = { "OFF", "ON", NULL };
 rcc_option_value_name rcc_sn_learning[] = { "OFF", "ON", "RELEARN", "LEARN", NULL };
 rcc_option_value_name rcc_sn_clo[] = { "ALL", "CONFIGURED_AND_AUTO", "CONFIGURED_ONLY", NULL };
+rcc_option_value_name rcc_sn_translate[] = { "OFF", "TO_ENGLISH", "SKIP_ENGLISH", "FULL", NULL };
 
 rcc_option_description rcc_option_descriptions[RCC_MAX_OPTIONS+1];
 rcc_option_description rcc_option_descriptions_embeded[RCC_MAX_OPTIONS+1] = {
+#ifdef HAVE_DB_H
     {RCC_OPTION_LEARNING_MODE, 1, { RCC_OPTION_RANGE_TYPE_MENU, 0, 3, 1 }, RCC_OPTION_TYPE_STANDARD,  "LEARNING_MODE", rcc_sn_learning },
+#else
+    {RCC_OPTION_LEARNING_MODE, 1, { RCC_OPTION_RANGE_TYPE_MENU, 0, 3, 1 }, RCC_OPTION_TYPE_INVISIBLE,  "LEARNING_MODE", rcc_sn_learning },
+#endif /* HAVE_DB_H */
     {RCC_OPTION_AUTODETECT_FS_NAMES, 1, { RCC_OPTION_RANGE_TYPE_BOOLEAN, 0, 0, 0}, RCC_OPTION_TYPE_STANDARD,  "AUTODETECT_FS_NAMES", rcc_sn_boolean},
     {RCC_OPTION_AUTODETECT_FS_TITLES, 1, { RCC_OPTION_RANGE_TYPE_BOOLEAN, 0, 0, 0}, RCC_OPTION_TYPE_INVISIBLE, "AUTODETECT_FS_TITLES", rcc_sn_boolean},
     {RCC_OPTION_CONFIGURED_LANGUAGES_ONLY, 1, { RCC_OPTION_RANGE_TYPE_MENU, 0, 2, 1}, RCC_OPTION_TYPE_INVISIBLE, "CONFIGURED_LANGUAGES_ONLY", rcc_sn_clo},
-    {RCC_OPTION_TRANSLATE, 0, { RCC_OPTION_RANGE_TYPE_BOOLEAN, 0, 0, 0}, RCC_OPTION_TYPE_STANDARD, "TRANSLATE", rcc_sn_boolean },
+#ifdef HAVE_ASPELL
+    {RCC_OPTION_AUTODETECT_LANGUAGE, 0, { RCC_OPTION_RANGE_TYPE_BOOLEAN, 0, 0, 0}, RCC_OPTION_TYPE_STANDARD, "AUTODETECT_LANGUAGE", rcc_sn_boolean},
+#else
+    {RCC_OPTION_AUTODETECT_LANGUAGE, 0, { RCC_OPTION_RANGE_TYPE_BOOLEAN, 0, 0, 0}, RCC_OPTION_TYPE_INVISIBLE, "AUTODETECT_LANGUAGE", rcc_sn_boolean},
+#endif 
+#ifdef HAVE_LIBTRANSLATE
+    {RCC_OPTION_TRANSLATE, 0, { RCC_OPTION_RANGE_TYPE_MENU, 0, 3, 1}, RCC_OPTION_TYPE_STANDARD, "TRANSLATE", rcc_sn_translate },
+#else
+    {RCC_OPTION_TRANSLATE, 0, { RCC_OPTION_RANGE_TYPE_MENU, 0, 3, 1}, RCC_OPTION_TYPE_INVISIBLE, "TRANSLATE", rcc_sn_translate },
+#endif /* HAVE_LIBTRANSLATE */
     {RCC_OPTION_AUTOENGINE_SET_CURRENT, 0, { RCC_OPTION_RANGE_TYPE_BOOLEAN, 0, 0, 0}, RCC_OPTION_TYPE_STANDARD, "AUTOENGINE_SET_CURRENT", rcc_sn_boolean },
     {RCC_MAX_OPTIONS}
 };
diff --git a/src/rccconfig.h b/src/rccconfig.h
index b94a39b..8e794ba 100644
--- a/src/rccconfig.h
+++ b/src/rccconfig.h
@@ -6,6 +6,11 @@
 #undef RCC_DEBUG
 #define RCC_LOCALE_VARIABLE "LC_CTYPE"
 
+extern const char rcc_default_language_sn[];
+extern const char rcc_english_language_sn[];
+extern const char rcc_disabled_language_sn[];
+extern const char rcc_disabled_engine_sn[];
+
 extern rcc_language_alias rcc_default_aliases[];
 extern const char rcc_default_charset[];
 extern const char rcc_utf8_charset[];
diff --git a/src/rccexternal.c b/src/rccexternal.c
index 16b3667..4a09948 100644
--- a/src/rccexternal.c
+++ b/src/rccexternal.c
@@ -153,7 +153,7 @@ int rccExternalConnect(unsigned char module) {
     fd_set fdcon;
     
     if (pid == (pid_t)-1) return -1;
-
+    
     sock = socket(PF_UNIX, SOCK_STREAM, 0);
     if (sock<=0) return -1;
 
diff --git a/src/rcciconv.c b/src/rcciconv.c
index d9903de..93278a7 100644
--- a/src/rcciconv.c
+++ b/src/rcciconv.c
@@ -48,6 +48,11 @@ void rccIConvClose(rcc_iconv icnv) {
     }
 }
 
+int rccIConvGetError(rcc_iconv icnv) {
+    if ((!icnv)||(icnv->icnv == (iconv_t)-1)) return -1;
+    return 0;
+}
+
 size_t rccIConvRecode(rcc_iconv icnv, char *outbuf, size_t outsize, const char *buf, size_t size) {
     char *in_buf, *out_buf, err;
     int in_left, out_left;
diff --git a/src/rcciconv.h b/src/rcciconv.h
index 0070696..1520534 100644
--- a/src/rcciconv.h
+++ b/src/rcciconv.h
@@ -8,6 +8,8 @@ struct rcc_iconv_t {
 };
 typedef struct rcc_iconv_t rcc_iconv_s;
 
+int rccIConvGetError(rcc_iconv icnv);
+
 size_t rccIConvInternal(rcc_context ctx, rcc_iconv icnv, const char *buf, size_t len);
 
 /** 
diff --git a/src/rccspell.c b/src/rccspell.c
new file mode 100644
index 0000000..c54e267
--- /dev/null
+++ b/src/rccspell.c
@@ -0,0 +1,63 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "rccspell.h"
+
+rcc_speller rccSpellerCreate(const char *lang) {
+#ifdef HAVE_ASPELL
+    rcc_speller rccspeller;
+    AspellSpeller *speller = NULL;
+    AspellConfig *config;
+    AspellCanHaveError *possible_err;
+
+    if (!lang) return NULL;
+
+    rccspeller = (rcc_speller)malloc(sizeof(rcc_speller_s));
+    if (!rccspeller) return rccspeller;
+    
+    config = new_aspell_config();
+
+    if (config) {    
+	if (aspell_config_replace(config, "encoding", "utf-8")&&aspell_config_replace(config, "master", lang)) {
+	    possible_err = new_aspell_speller(config);
+	    if (aspell_error_number(possible_err) == 0) {
+		speller = to_aspell_speller(possible_err);
+	    }
+	}
+	delete_aspell_config(config);
+    }
+    
+    rccspeller->speller = speller;
+    return rccspeller;
+#else 
+    return NULL;
+#endif /* HAVE_ASPELL */
+}
+
+void rccSpellerFree(rcc_speller rccspeller) {
+#ifdef HAVE_ASPELL
+    if ((rccspeller)&&(rccspeller->speller))
+	delete_aspell_speller(rccspeller->speller);
+    free(rccspeller);
+#endif /* HAVE_ASPELL */
+}
+
+int rccSpellerGetError(rcc_speller rccspeller) {
+    if ((!rccspeller)||(!rccspeller->speller)) return -1;
+    return 0;
+}
+
+int rccSpellerSized(rcc_speller speller, const char *word, size_t len) {
+#ifdef HAVE_ASPELL
+    int res;
+    
+    if (rccSpellerGetError(speller)) return 0;
+    res = aspell_speller_check(speller->speller, word, len?len:-1);
+    return res<0?0:res;    
+#endif /* HAVE_ASPELL */
+    return 0;
+}
+
+int rccSpeller(rcc_speller speller, const char *word) {
+    return rccSpellerSized(speller, word, 0);
+}
diff --git a/src/rccspell.h b/src/rccspell.h
new file mode 100644
index 0000000..49e39f4
--- /dev/null
+++ b/src/rccspell.h
@@ -0,0 +1,29 @@
+#ifndef _RCC_SPELL_H
+#define _RCC_SPELL_H
+
+#include "../config.h"
+
+#ifdef HAVE_ASPELL
+#include <aspell.h>
+#endif /* HAVE_ASPELL */
+
+struct rcc_speller_t {
+#ifdef HAVE_ASPELL
+    struct AspellSpeller *speller;
+#else 
+    void *speller;
+#endif /* HAVE_ASPELL */
+};
+
+typedef struct rcc_speller_t *rcc_speller;
+typedef struct rcc_speller_t rcc_speller_s;
+
+rcc_speller rccSpellerCreate(const char *lang);
+void rccSpellerFree(rcc_speller speller);
+
+int rccSpellerGetError(rcc_speller rccspeller);
+
+int rccSpellerSized(rcc_speller speller, const char *word, size_t len);
+int rccSpeller(rcc_speller speller, const char *word);
+
+#endif /* _RCC_SPELL_H */
diff --git a/src/rccstring.c b/src/rccstring.c
index d6c6805..9c4c19f 100644
--- a/src/rccstring.c
+++ b/src/rccstring.c
@@ -58,6 +58,14 @@ int rccStringFixID(rcc_string string, rcc_context ctx) {
     return 0;
 }
 
+int rccStringChangeID(rcc_string string, rcc_language_id language_id) {
+    if ((!string)&&(language_id != (rcc_language_id)-1)) return -1;
+    
+    ((rcc_string_header*)string)->language_id = language_id;
+    return 0;
+}
+
+
 void rccStringFree(rcc_string str) {
     if (str) free(str);
 }
diff --git a/src/rccstring.h b/src/rccstring.h
index 3c5d8d7..e9e9734 100644
--- a/src/rccstring.h
+++ b/src/rccstring.h
@@ -16,6 +16,7 @@ void rccStringFree(rcc_string str);
 
 int rccStringSetLang(rcc_string string, const char *sn);
 int rccStringFixID(rcc_string string, rcc_context ctx);
+int rccStringChangeID(rcc_string string, rcc_language_id language_id);
 
 #ifdef HAVE_STRNLEN
 # ifndef strnlen
diff --git a/src/rcctranslate.c b/src/rcctranslate.c
index 3bbd916..d7bb4e4 100644
--- a/src/rcctranslate.c
+++ b/src/rcctranslate.c
@@ -66,18 +66,22 @@ int rccTranslateSetTimeout(rcc_translate translate, unsigned long us) {
 
 char *rccTranslate(rcc_translate translate, const char *buf) {
 #ifdef HAVE_LIBTRANSLATE
-    size_t i;
     rcc_external_command_s resp;
     size_t err, len;
     char *buffer;
-
-    if ((!translate)||(!buf)) return NULL;
+/*
+    size_t i;
+*/
     
+    if ((!translate)||(!buf)) return NULL;
+
+/*    
     if (!strcmp(translate->prefix.to, "en")) {
 	for (i=0;buf[i];i++) 
 	    if ((unsigned char)buf[i]>0x7F) break;
 	if (!buf[i]) return NULL;
     }
+*/
     
     if (translate->sock == -1) {
 	translate->sock = rccExternalConnect(RCC_EXTERNAL_MODULE_LIBRTRANSLATE);
diff --git a/src/recode.c b/src/recode.c
index c44095c..7e12343 100644
--- a/src/recode.c
+++ b/src/recode.c
@@ -2,6 +2,8 @@
 #include <stdlib.h>
 #include <string.h>
 
+#include "../config.h"
+
 #include "internal.h"
 #include "rcciconv.h"
 #include "fs.h"
@@ -10,19 +12,140 @@
 #include "rccconfig.h"
 #include "rccdb4.h"
 #include "rcctranslate.h"
+#include "rccspell.h"
+
+#define isSpace(ch) ((ch<0x7F)&&((ch<'A')||(ch>'z')||((ch>'Z')&&(ch<'a'))))
+#define RCC_REQUIRED_PROBABILITY	0.66
+
+rcc_language_id rccDetectLanguageInternal(rcc_context ctx, rcc_class_id class_id, const char *buf, size_t len, rcc_string *retstring) {
+    rcc_speller speller;
+    unsigned long i, nlanguages;
+    rcc_language_config config, config0 = NULL;
+    rcc_string recoded;
+    unsigned char *utf8;
+    size_t j, mode;
+    unsigned long words, english, result;
+    unsigned char english_mode, english_word = 1;
+    rcc_language_id english_lang = (rcc_language_id)-1;
+    double res, english_res = 0;
+    rcc_option_value usedb4;
+    
+
+    usedb4 = rccGetOption(ctx, RCC_OPTION_LEARNING_MODE);
+
+    if (usedb4&RCC_OPTION_LEARNING_FLAG_USE) {
+	recoded = rccDb4GetKey(ctx->db4ctx, buf, len);
+	if (recoded) {
+	     if (rccStringFixID(recoded, ctx)) free(recoded);
+	     else {
+	        english_lang = rccStringGetLanguage(recoded);
+	        if (retstring) *retstring = recoded;
+		else free(recoded);
+	        return english_lang;
+	    }
+	}
+    }
+    
+    if (!rccGetOption(ctx, RCC_OPTION_AUTODETECT_LANGUAGE)) return (rcc_language_id)-1;
+
+    nlanguages = ctx->n_languages;
+
+    for (i=0;i<nlanguages;i++) {
+	config = rccGetUsableConfig(ctx, (rcc_language_id)i);
+	if (!config) continue;
+
+	if (i) {
+	    if (config==config0) continue;
+	} else config0=config;
+	
+	speller = rccConfigGetSpeller(config);
+	if (rccSpellerGetError(speller)) continue;
+
+	recoded = rccConfigSizedFrom(config, class_id, buf, len);
+	if (!recoded) continue;
+	
+	if (!strcasecmp(config->language->sn, rcc_english_language_sn)) english_mode = 1;
+	else english_mode = 0;
+	
+	utf8 = (char*)rccStringGetString(recoded);
+	for (result=0,english=0,words=0,mode=0,j=0;utf8[j];j++) {
+	    if (isSpace(utf8[j])) {
+		if (mode) {
+		    if ((!english_mode)&&(english_word)) english++;
+		    result+=rccSpellerSized(speller, utf8 + mode - 1, j - mode + 1)?1:0;
+		    words++;
+		    mode = 0;
+		} else continue;
+	    } else {
+		if (mode) {
+		    if (utf8[j]>0x7F) english_word = 0;
+		} else {
+		    mode = j + 1;
+		    english_word = 1;
+		}
+	    }
+	}
+	if (mode) {
+	    result+=rccSpeller(speller, utf8 + mode - 1)?1:0;
+	    words++;
+	}
+	
+	if (english_mode) {
+	    english_res = 1.*result/words;
+	    english_lang = (rcc_language_id)i;    
+	} else if (words) {
+	    res = 1.*result/words;
+	    if (res > RCC_REQUIRED_PROBABILITY) {
+		if (retstring) *retstring = recoded;
+		else free(recoded);
+		return (rcc_language_id)i;
+	    }
+	    if (words > english) {
+		res = 1.*(result - english)/(words - english);
+		if (res > RCC_REQUIRED_PROBABILITY) {
+		    if (retstring) *retstring = recoded;
+		    else free(recoded);
+		    return (rcc_language_id)i;
+		}
+	    }
+	}
+	
+	free(recoded);
+    }
+
+    if (english_res > RCC_REQUIRED_PROBABILITY) {
+        if (retstring) {
+	    *retstring = rccCreateString(english_lang, buf, len);
+	}
+        return english_lang;
+    }
+    
+    return (rcc_language_id)-1;
+}
 
 
+rcc_language_id rccDetectLanguage(rcc_context ctx, rcc_class_id class_id, const char *buf, size_t len) {
+    if (!ctx) {
+	if (rcc_default_ctx) ctx = rcc_default_ctx;
+	else return -1;
+    }
+    
+    return rccDetectLanguageInternal(ctx, class_id, buf, len, NULL);
+}
 
 
-static rcc_autocharset_id rccIConvAuto(rcc_context ctx, rcc_class_id class_id, const char *buf, int len) {
+rcc_autocharset_id rccConfigDetectCharset(rcc_language_config config, rcc_class_id class_id, const char *buf, size_t len) {
+    rcc_context ctx;
     rcc_class_type class_type;
     rcc_engine_ptr engine;
     
-    if (!buf) return (rcc_autocharset_id)-1;
+    if ((!buf)||(!config)) return (rcc_autocharset_id)-1;
+    
+    ctx = config->ctx;
     
     class_type = rccGetClassType(ctx, class_id);
     if ((class_type != RCC_CLASS_FS)||((class_type == RCC_CLASS_FS)&&(rccGetOption(ctx, RCC_OPTION_AUTODETECT_FS_TITLES)))) {
-	engine = rccGetCurrentEnginePointer(ctx);
+	engine = rccConfigGetCurrentEnginePointer(config);
 	if ((!engine)||(!engine->func)) return (rcc_autocharset_id)-1;
 	return engine->func(&ctx->engine_ctx, buf, len);
     }
@@ -30,16 +153,26 @@ static rcc_autocharset_id rccIConvAuto(rcc_context ctx, rcc_class_id class_id, c
     return (rcc_autocharset_id)-1;
 }
 
+int rccDetectCharset(rcc_context ctx, rcc_class_id class_id, const char *buf, size_t len) {
+    if (!ctx) {
+	if (rcc_default_ctx) ctx = rcc_default_ctx;
+	else return -1;
+    }
+
+    return rccConfigDetectCharset(ctx->current_config, class_id, buf, len);
+}
+
+
 rcc_string rccSizedFrom(rcc_context ctx, rcc_class_id class_id, const char *buf, size_t len) {
     int err;
     size_t ret;
-    rcc_language_id language_id;
+    rcc_language_id language_id, detected_language_id;
     rcc_autocharset_id charset_id;
     rcc_iconv icnv = NULL;
     rcc_string result;
     rcc_option_value usedb4;
     const char *charset;
-
+    
     if (!ctx) {
 	if (rcc_default_ctx) ctx = rcc_default_ctx;
 	else return NULL;
@@ -52,10 +185,11 @@ rcc_string rccSizedFrom(rcc_context ctx, rcc_class_id class_id, const char *buf,
     
     language_id = rccGetCurrentLanguage(ctx);
     if (language_id == (rcc_language_id)-1) return NULL;
-    if (!strcasecmp(ctx->languages[language_id]->sn, "off")) return NULL;
+    if (!strcasecmp(ctx->languages[language_id]->sn, rcc_disabled_language_sn)) return NULL;
 
-    usedb4 = rccGetOption(ctx, RCC_OPTION_LEARNING_MODE);
 
+    usedb4 = rccGetOption(ctx, RCC_OPTION_LEARNING_MODE);
+/*
     if (usedb4&RCC_OPTION_LEARNING_FLAG_USE) {
 	result = rccDb4GetKey(ctx->db4ctx, buf, len);
 	if (result) {
@@ -63,11 +197,22 @@ rcc_string rccSizedFrom(rcc_context ctx, rcc_class_id class_id, const char *buf,
 	     else return result;
 	}
     }
+    
+    if (rccGetOption(ctx, RCC_OPTION_AUTODETECT_LANGUAGE)) {
+	detected_language_id = rccDetectLanguageInternal(ctx, class_id, buf, len);
+	if (detected_language_id != (rcc_language_id)-1)
+	    language_id = detected_language_id;
+    }
+*/
+    
+    detected_language_id = rccDetectLanguageInternal(ctx, class_id, buf, len, &result);
+    if (detected_language_id != (rcc_language_id)-1) return result;
 
+    
     err = rccConfigure(ctx);
     if (err) return NULL;
     
-    charset_id = rccIConvAuto(ctx, class_id, buf, len);
+    charset_id = rccDetectCharset(ctx, class_id, buf, len);
     if (charset_id != (rcc_autocharset_id)-1) {
 	icnv = ctx->iconv_auto[charset_id];
 	if (rccGetOption(ctx, RCC_OPTION_AUTOENGINE_SET_CURRENT)) {
@@ -105,6 +250,9 @@ char *rccSizedTo(rcc_context ctx, rcc_class_id class_id, rcc_const_string buf, s
     rcc_language_id language_id;
     rcc_language_id current_language_id;
     rcc_class_type class_type;
+    rcc_option_value translate;
+    const char *langname;
+    unsigned char english_source;
     rcc_iconv icnv;
 
     if (!ctx) {
@@ -127,33 +275,60 @@ char *rccSizedTo(rcc_context ctx, rcc_class_id class_id, rcc_const_string buf, s
     if (err) return NULL;
 
     class_type = rccGetClassType(ctx, class_id);
-    if ((class_type != RCC_CLASS_FS)&&(rccGetOption(ctx, RCC_OPTION_TRANSLATE))) {
+    translate = rccGetOption(ctx, RCC_OPTION_TRANSLATE);
+    
+    langname = rccGetLanguageName(ctx, language_id);
+    if (strcasecmp(langname, rcc_english_language_sn)) english_source = 0;
+    else english_source = 1;
+    
+    if ((class_type != RCC_CLASS_FS)&&((translate==RCC_OPTION_TRANSLATE_FULL)||((translate)&&(!english_source)))) {
 	current_language_id = rccGetCurrentLanguage(ctx);
 	if (current_language_id != language_id) {
 	    if ((config->trans)&&(config->translang != current_language_id)) {
 		rccTranslateClose(config->trans);
 		config->trans = NULL;
 	    }
-	    if (!config->trans) {
-		config->trans = rccTranslateOpen(rccGetLanguageName(ctx, language_id), rccGetLanguageName(ctx, current_language_id));
-		config->translang = current_language_id;
+	    
+	    if (translate != RCC_OPTION_TRANSLATE_TO_ENGLISH) {
+		if (!config->trans) {
+		    config->trans = rccTranslateOpen(rccGetLanguageName(ctx, language_id), rccGetLanguageName(ctx, current_language_id));
+		    config->translang = current_language_id;
+		}
+
+		if (config->trans) {
+		    translated = rccTranslate(config->trans, utfstring);
+		    if (translated) {
+			language_id = current_language_id;
+		    
+			config = rccGetConfig(ctx, language_id);
+			if (!config) {
+			    free(translated);
+			    return NULL;
+			}
+
+			err = rccConfigConfigure(config);
+			if (err) {
+			    free(translated);
+			    return NULL;
+			}
+		    } 
+		}
 	    }
-	    if (config->trans) {
-		translated = rccTranslate(config->trans, utfstring);
-		if (translated) {
-		    language_id = current_language_id;
+	    
+	    if ((translate == RCC_OPTION_TRANSLATE_TO_ENGLISH)||((config->trans)&&(!translated))) {
+		puts("entrans");
+		if (!config->entrans) {
+		    config->entrans = rccTranslateOpen(rccGetLanguageName(ctx, language_id), rcc_english_language_sn);
+		}
 		    
+		if (config->entrans) {
+		    translated = rccTranslate(config->entrans, utfstring);
+
 		    config = rccGetConfig(ctx, language_id);
-		    if (!config) {
-			free(translated);
-			return NULL;
-		    }
+		    if (!config) return translated;
 
 		    err = rccConfigConfigure(config);
-		    if (err) {
-			free(translated);
-			return NULL;
-		    }
+		    if (err) return translated;
 		}
 	    }
 	}
@@ -183,7 +358,7 @@ char *rccSizedTo(rcc_context ctx, rcc_class_id class_id, rcc_const_string buf, s
 
     icnv =  config->iconv_to[class_id];
     if (icnv) {
-	newlen = rccIConvInternal(ctx, icnv, translated?translated:utfstring, newlen);
+	newlen = rccIConvInternal(ctx, icnv, translated?translated:utfstring, translated?0:newlen);
 	if (translated) free(translated);
 	if (newlen == (size_t)-1) return NULL;
 
@@ -237,7 +412,7 @@ char *rccSizedRecode(rcc_context ctx, rcc_class_id from, rcc_class_id to, const
     err = rccConfigure(ctx);
     if (err) return NULL;
     
-    from_charset_id = rccIConvAuto(ctx, from, buf, len);
+    from_charset_id = rccDetectCharset(ctx, from, buf, len);
     if (from_charset_id != (rcc_charset_id)-1) {
 	from_charset = rccGetAutoCharsetName(ctx, from_charset_id);
 	to_charset = rccGetCurrentCharsetName(ctx, to);
@@ -385,13 +560,15 @@ char *rccSizedRecodeToCharset(rcc_context ctx, rcc_class_id class_id, const char
     return extracted;
 }
 
-/* Convert to class_id from Charset */
+/* Convert to class_id from Charset.
+Usage of this function assuming the knowledge about the incoming string. 
+The charset as well as the language. So no detection (DB4,Aspell) of language
+will be performed. */
 char *rccSizedRecodeFromCharset(rcc_context ctx, rcc_class_id class_id, const char *charset, const char *buf, size_t len, size_t *rlen) {
     size_t res;
     rcc_iconv icnv;
     rcc_string str;
     char *extracted;
-    
 
     if (!charset) return NULL;
     
diff --git a/ui/rccnames.c b/ui/rccnames.c
index b6d08dd..0e4f586 100644
--- a/ui/rccnames.c
+++ b/ui/rccnames.c
@@ -32,6 +32,7 @@ rcc_name rcc_default_language_names_embeded[RCC_MAX_LANGUAGES+1] = {
 rcc_option_value_name rcc_default_option_boolean_names[] = { "Off", "On", NULL };
 rcc_option_value_name rcc_default_option_learning_names[] = { "Off", "On", "Relearn", "Learn", NULL };
 rcc_option_value_name rcc_default_option_clo_names[] = { "All Languages", "Configured / AutoEngine", "Configured Only", NULL };
+rcc_option_value_name rcc_default_option_translate_names[] = { "Off", "Translate to English", "Skip English Translation", "Full", NULL };
 
 rcc_option_name rcc_default_option_names[RCC_MAX_OPTIONS+1];
 rcc_option_name rcc_default_option_names_embeded[RCC_MAX_OPTIONS+1] = {
@@ -39,8 +40,9 @@ rcc_option_name rcc_default_option_names_embeded[RCC_MAX_OPTIONS+1] = {
     { RCC_OPTION_AUTODETECT_FS_NAMES, "Autodetect File Names",  rcc_default_option_boolean_names },
     { RCC_OPTION_AUTODETECT_FS_TITLES, "Autodetect FS Titles", rcc_default_option_boolean_names },
     { RCC_OPTION_CONFIGURED_LANGUAGES_ONLY, "Enabled Languages", rcc_default_option_clo_names },
-    { RCC_OPTION_TRANSLATE, "Translate Text", rcc_default_option_boolean_names },
     { RCC_OPTION_AUTOENGINE_SET_CURRENT, "AutoEngine Set Current Encoding", rcc_default_option_boolean_names },
+    { RCC_OPTION_AUTODETECT_LANGUAGE, "Autodetect Language", rcc_default_option_boolean_names },
+    { RCC_OPTION_TRANSLATE, "Translate Text", rcc_default_option_translate_names },
     { RCC_MAX_OPTIONS }
 };