modem-helpers: new CDMA helper parsers

src/mm-iface-modem-cdma.c

@@ -1174,8 +1174,8 @@ mm_iface_modem_cdma_initialize (MMIfaceModemCdma *self,
         /* Set all initial property defaults */
         mm_gdbus_modem_cdma_set_meid (skeleton, NULL);
         mm_gdbus_modem_cdma_set_esn (skeleton, NULL);
-        mm_gdbus_modem_cdma_set_sid (skeleton, MM_IFACE_MODEM_CDMA_SID_UNKNOWN);
-        mm_gdbus_modem_cdma_set_nid (skeleton, MM_IFACE_MODEM_CDMA_NID_UNKNOWN);
+        mm_gdbus_modem_cdma_set_sid (skeleton, MM_MODEM_CDMA_SID_UNKNOWN);
+        mm_gdbus_modem_cdma_set_nid (skeleton, MM_MODEM_CDMA_NID_UNKNOWN);
 
         /* Bind our Registration State properties */
         g_object_bind_property (self, MM_IFACE_MODEM_CDMA_CDMA1X_REGISTRATION_STATE,

src/mm-iface-modem-cdma.h

@@ -34,9 +34,6 @@
 #define MM_IFACE_MODEM_CDMA_EVDO_NETWORK_SUPPORTED    "iface-modem-cdma-evdo-network-supported"
 #define MM_IFACE_MODEM_CDMA_CDMA1X_NETWORK_SUPPORTED  "iface-modem-cdma-cdma1x-network-supported"
 
-#define MM_IFACE_MODEM_CDMA_SID_UNKNOWN 99999
-#define MM_IFACE_MODEM_CDMA_NID_UNKNOWN 99999
-
 typedef struct _MMIfaceModemCdma MMIfaceModemCdma;
 
 struct _MMIfaceModemCdma {

src/mm-modem-helpers.c

@@ -1529,6 +1529,74 @@ done:
     return array;
 }
 
+gint
+mm_cdma_normalize_class (const gchar *orig_class)
+{
+    gchar class;
+
+    g_return_val_if_fail (orig_class != NULL, '0');
+
+    class = toupper (orig_class[0]);
+
+    /* Cellular (850MHz) */
+    if (class == '1' || class == 'C')
+        return 1;
+    /* PCS (1900MHz) */
+    if (class == '2' || class == 'P')
+        return 2;
+
+    /* Unknown/not registered */
+    return 0;
+}
+
+gchar
+mm_cdma_normalize_band (const gchar *long_band,
+                        gint *out_class)
+{
+    gchar band;
+
+    g_return_val_if_fail (long_band != NULL, 'Z');
+
+    /* There are two response formats for the band; one includes the band
+     * class and the other doesn't.  For modems that include the band class
+     * (ex Novatel S720) you'll see "Px" or "Cx" depending on whether the modem
+     * is registered on a PCS/1900 (P) or Cellular/850 (C) system.
+     */
+    band = toupper (long_band[0]);
+
+    /* Possible band class in first position; return it */
+    if (band == 'C' || band == 'P') {
+        gchar tmp[2] = { band, '\0' };
+
+        *out_class = mm_cdma_normalize_class (tmp);
+        band = toupper (long_band[1]);
+    }
+
+    /* normalize to A - F, and Z */
+    if (band >= 'A' && band <= 'F')
+        return band;
+
+    /* Unknown/not registered */
+    return 'Z';
+}
+
+gint
+mm_cdma_convert_sid (const gchar *sid)
+{
+    glong tmp_sid;
+
+    g_return_val_if_fail (sid != NULL, MM_MODEM_CDMA_SID_UNKNOWN);
+
+    errno = 0;
+    tmp_sid = strtol (sid, NULL, 10);
+    if ((errno == EINVAL) || (errno == ERANGE))
+        return MM_MODEM_CDMA_SID_UNKNOWN;
+    else if (tmp_sid < G_MININT || tmp_sid > G_MAXINT)
+        return MM_MODEM_CDMA_SID_UNKNOWN;
+
+    return (gint) tmp_sid;
+}
+
 guint
 mm_count_bits_set (gulong number)
 {

src/mm-modem-helpers.h

@@ -110,6 +110,14 @@ gint        cind_response_get_max       (CindResponse *r);
 
 GByteArray *mm_parse_cind_query_response(const char *reply, GError **error);
 
+#define MM_MODEM_CDMA_SID_UNKNOWN 99999
+#define MM_MODEM_CDMA_NID_UNKNOWN 99999
+
+gint  mm_cdma_normalize_class (const gchar *orig_class);
+gchar mm_cdma_normalize_band  (const gchar *long_band,
+                               gint *out_class);
+gint  mm_cdma_convert_sid     (const gchar *sid);
+
 guint mm_count_bits_set (gulong number);
 
 #endif  /* MM_MODEM_HELPERS_H */