charsets: new utf8_to_hex() method

src/mm-charsets.c

@@ -177,6 +177,37 @@ mm_modem_charset_hex_to_utf8 (const char *src, MMModemCharset charset)
     return converted;
 }
 
+char *
+mm_modem_charset_utf8_to_hex (const char *src, MMModemCharset charset)
+{
+    gsize converted_len = 0;
+    char *converted;
+    const char *iconv_to;
+    GError *error = NULL;
+
+    g_return_val_if_fail (src != NULL, NULL);
+    g_return_val_if_fail (charset != MM_MODEM_CHARSET_UNKNOWN, NULL);
+
+    iconv_to = charset_iconv_from (charset);
+    g_return_val_if_fail (iconv_to != NULL, FALSE);
+
+    if (charset == MM_MODEM_CHARSET_UTF8 || charset == MM_MODEM_CHARSET_IRA)
+        return g_strdup (src);
+
+    converted = g_convert (src, strlen (src),
+                           iconv_to, "UTF-8//TRANSLIT",
+                           NULL, &converted_len, &error);
+    if (!converted || error) {
+        g_clear_error (&error);
+        g_free (converted);
+        converted = NULL;
+    } else {
+        /* Get hex representation of the string */
+        converted = utils_bin2hexstr ((guint8 *)converted, converted_len);
+    }
+
+    return converted;
+}
 
 /* GSM 03.38 encoding conversion stuff */
 

src/mm-charsets.h

@@ -48,6 +48,11 @@ gboolean mm_modem_charset_byte_array_append (GByteArray *array,
  */
 char *mm_modem_charset_hex_to_utf8 (const char *src, MMModemCharset charset);
 
+/* Take a string in UTF-8 and convert it to the given charset in hex
+ * representation.
+ */
+char *mm_modem_charset_utf8_to_hex (const char *src, MMModemCharset charset);
+
 guint8 *mm_charset_utf8_to_unpacked_gsm (const char *utf8, guint32 *out_len);
 
 guint8 *mm_charset_gsm_unpacked_to_utf8 (const guint8 *gsm, guint32 len);