1 files changed, 135 insertions, 0 deletions
diff --git a/src/lng.c b/src/lng.c
new file mode 100644
index 0000000..607c69d
--- /dev/null
+++ b/src/lng.c
@@ -0,0 +1,135 @@
+#include <stdio.h>
+#include <string.h>
+#include <locale.h>
+
+#include <librcd.h>
+#include "librcc.h"
+
+const char *rccGetLanguageName(rcc_context *ctx, rcc_language_id language_id) {
+    if ((!ctx)||(language_id<0)||(language_id>=ctx->n_languages)) return NULL;
+    return ctx->languages[language_id]->sn;
+}
+
+language_id rccGetLanguageByName(rcc_context *ctx, const char *name) {
+    unsigned int i;
+    if ((!ctx)||(!name)) return 0;
+    
+    for (i=0;ctx->languages[i];i++) 
+	if (!strcmp(ctx->languages[i]->sn, name)) return i;
+
+    return 0;
+}
+
+static int rccGetLocaleLanguage(char *result, const char *lv, unsigned int n) {
+    charset_list_t *enc;
+    char *l;
+    
+    if (!lv) return -1;
+
+    l = setlocale(lv, NULL);
+    if (!l) return -1;
+    else if ((strcmp(l,"C")==0)||(strcmp(l,"POSIX")==0)) return -1;
+
+    for (i=0;((l[i])&&(l[i]!='.'));i++);
+
+    for (i=0;rcc_default_aliases[i].alias;i++) 
+	if (strncmp(l,rcc_default_aliases[i].alias,i)==0) {
+	    l = rcc_default_aliases[i].alias;
+	    break;
+	}
+
+    for (i=0;((l[i])&&(l[i]!='.')&&(l[i]!='_'));i++);
+    if (i>=n) return -1;
+
+    strncpy(result,l,i);
+    result[i]=0;
+
+    return 0;
+}
+
+static rcc_language_id rccGetDefaultLanguage(rc_context *ctx) {
+    int err;
+    unsigned int i;
+    char stmp[RCC_MAX_LANGUAGE_CHARS+1];
+
+    if (!ctx) return -1;
+    
+    err = rccGetLocaleLanguage(stmp, ctx->locale_variable, RCC_MAX_LANGUAGE_CHARS);
+    if (err) {
+	if (ctx->n_languages>1) return 1;
+	return -1;
+    }
+    
+    for (i=0;ctx->languages[i];i++)
+	if (!strcmp(ctx->languages[i]->sn, stmp)) return i;
+    
+    if (i>1) return 1;
+    return -1;
+}
+
+rcc_language_id rccGetRealLanguage(rcc_context *ctx, rcc_language_id language_id) {
+    if ((!ctx)||(language_id<0)||(language_id>=ctx->n_languages)) return -1;
+    if (language_id) return language_id;
+    return rccGetDefaultLanguage(ctx);    
+}
+
+const char *rccGetRealLanguageName(rcc_context *ctx, rcc_language_id language_id) {
+    language_id = rccGetRealLanguage(ctx, language_id);
+    if (language_id<0) return NULL;
+    
+    return rccGetLanguageName(ctx, language_id);
+}
+
+rcc_language_id rccGetSelectedLanguage(rcc_context *ctx) {
+    if (!ctx) return NULL;
+    return ctx->current_language;
+}
+
+const char *rccGetSelectedLanguageName(rcc_context *ctx) {
+    rcc_language_id language_id;
+    
+    language_id = rccGetSelectedLanguage(ctx);
+    if (language_id<0) return NULL;
+    
+    return rccGetLanguageName(ctx, language_id);
+}
+
+rcc_language_id rccGetCurrentLanguage(rcc_context *ctx) {
+    if (!ctx) return -1;
+    return rccGetRealLanguage(ctx, ctx->current_language);    
+}
+
+const char *rccGetCurrentLanguageName(rcc_context *ctx) {
+    rcc_language_id language_id;
+    
+    language_id = rccGetCurrentLanguage(ctx);
+    if (language_id<0) return NULL;
+    
+    return rccGetLanguageName(ctx, language_id);
+}
+
+
+int rccSetLanguage(rcc_context *ctx, rcc_language_id language_id) {
+    rcc_language_config config;
+    
+    if ((!ctx)||(language_id < 0)||(language_id >= ctx->n_languages)) return -1;
+    if ((!ctx->languages[language_id]->engines[0])||(!ctx->languages[language_id]->charsets[0])) return -2;
+
+    if (ctx->current_language != language_id) {
+	config = rccGetConfig(ctx, language_id);
+	if (!config) return -1;
+	
+	ctx->configure = 1;
+	ctx->current_language = language_id;
+	ctx->current_config = config; 
+    }
+}
+
+int rccSetLanguageByName(rcc_context *ctx, const char *name) {
+    rcc_language_id language_id;
+    
+    language_id = rccGetLanguageByName(ctx, name);
+    if (language_id < 0) return -1;
+    
+    return rccSetLanguage(ctx, language_id);
+}