Telit LTE modems could reply to +WS46=? with:

+WS46: (12,22,25,28-31)

This patch extends +WS46=? response parser to support ranges.
---
v2: used mm_parse_uint_list as suggested by Aleksander
---
 src/mm-modem-helpers.c         | 25 ++++++++++++-------------
 src/tests/test-modem-helpers.c | 32 ++++++++++++++++++++++++++++++++
 2 files changed, 44 insertions(+), 13 deletions(-)

diff --git a/src/mm-modem-helpers.c b/src/mm-modem-helpers.c
index 73822e1..5e257a8 100644
--- a/src/mm-modem-helpers.c
+++ b/src/mm-modem-helpers.c
@@ -887,12 +887,14 @@ mm_3gpp_parse_ws46_test_response (const gchar  *response,
                                   GError      **error)
 {
     GArray     *modes = NULL;
+    GArray     *tech_values = NULL;
     GRegex     *r;
     GError     *inner_error = NULL;
     GMatchInfo *match_info = NULL;
     gchar      *full_list = NULL;
-    gchar     **split;
+    guint       val;
     guint       i;
+    guint       j;
     gboolean    supported_4g = FALSE;
     gboolean    supported_3g = FALSE;
     gboolean    supported_2g = FALSE;
@@ -914,17 +916,13 @@ mm_3gpp_parse_ws46_test_response (const gchar  *response,
         goto out;
     }
 
-    split = g_strsplit (full_list, ",", -1);
+    if (!(tech_values = mm_parse_uint_list (full_list, &inner_error)))
+        goto out;
+
     modes = g_array_new (FALSE, FALSE, sizeof (MMModemMode));
 
-    for (i = 0; split && split[i]; i++) {
-        guint val;
-        guint j;
-
-        if (!mm_get_uint_from_str (split[i], &val)) {
-            g_warning ("Invalid +WS46 mode reported: %s", split[i]);
-            continue;
-        }
+    for (i = 0; i < tech_values->len; i++) {
+        val = g_array_index (tech_values, guint, i);
 
         for (j = 0; j < G_N_ELEMENTS (ws46_modes); j++) {
             if (ws46_modes[j].ws46 == val) {
@@ -942,11 +940,9 @@ mm_3gpp_parse_ws46_test_response (const gchar  *response,
         }
 
         if (j == G_N_ELEMENTS (ws46_modes))
-            g_warning ("Unknown +WS46 mode reported: %s", split[i]);
+            g_warning ("Unknown +WS46 mode reported: %u", val);
     }
 
-    g_strfreev (split);
-
     if (modes->len == 0) {
         inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "No 
valid modes reported");
         g_clear_pointer (&modes, g_array_unref);
@@ -976,6 +972,9 @@ mm_3gpp_parse_ws46_test_response (const gchar  *response,
     }
 
 out:
+    if (tech_values)
+        g_array_unref (tech_values);
+
     g_free (full_list);
 
     g_clear_pointer (&match_info, g_match_info_free);
diff --git a/src/tests/test-modem-helpers.c b/src/tests/test-modem-helpers.c
index 5928412..5fdded4 100644
--- a/src/tests/test-modem-helpers.c
+++ b/src/tests/test-modem-helpers.c
@@ -215,6 +215,36 @@ test_ws46_response_telit_le866 (void)
     test_ws46_response (str, expected, G_N_ELEMENTS (expected));
 }
 
+static void
+test_ws46_response_range_1 (void)
+{
+    static const MMModemMode expected[] = {
+        MM_MODEM_MODE_2G | MM_MODEM_MODE_3G,
+        MM_MODEM_MODE_2G | MM_MODEM_MODE_4G,
+        MM_MODEM_MODE_3G | MM_MODEM_MODE_4G,
+    };
+    const gchar *str = "+WS46: (29-31)";
+
+    test_ws46_response (str, expected, G_N_ELEMENTS (expected));
+}
+
+static void
+test_ws46_response_range_2 (void)
+{
+    static const MMModemMode expected[] = {
+        MM_MODEM_MODE_2G,
+        MM_MODEM_MODE_3G,
+        MM_MODEM_MODE_2G | MM_MODEM_MODE_3G | MM_MODEM_MODE_4G,
+        MM_MODEM_MODE_4G,
+        MM_MODEM_MODE_2G | MM_MODEM_MODE_3G,
+        MM_MODEM_MODE_2G | MM_MODEM_MODE_4G,
+        MM_MODEM_MODE_3G | MM_MODEM_MODE_4G,
+    };
+    const gchar *str = "+WS46: (12,22,25,28-31)";
+
+    test_ws46_response (str, expected, G_N_ELEMENTS (expected));
+}
+
 /*****************************************************************************/
 /* Test CMGL responses */
 
@@ -3715,6 +3745,8 @@ int main (int argc, char **argv)
     g_test_suite_add (suite, TESTCASE (test_ws46_response_generic_2g3g_v2, 
NULL));
     g_test_suite_add (suite, TESTCASE (test_ws46_response_cinterion, NULL));
     g_test_suite_add (suite, TESTCASE (test_ws46_response_telit_le866, NULL));
+    g_test_suite_add (suite, TESTCASE (test_ws46_response_range_1, NULL));
+    g_test_suite_add (suite, TESTCASE (test_ws46_response_range_2, NULL));
 
     g_test_suite_add (suite, TESTCASE (test_cops_response_tm506, NULL));
     g_test_suite_add (suite, TESTCASE (test_cops_response_gt3gplus, NULL));
-- 
2.7.4

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