Added presence string functions to common

2 files changed, 51 insertions, 7 deletions

diff --git a/src/common.c b/src/common.c
index dc03201c..f2b0f550 100644
--- a/src/common.c
+++ b/src/common.c
@@ -20,6 +20,7 @@
  *
  */
 
+#include <assert.h>
 #include <errno.h>
 #include <stdlib.h>
 #include <string.h>
@@ -262,19 +263,60 @@ release_get_latest()
 gboolean
 presence_valid_string(const char * const str)
 {
-    if (str == NULL) {
-        return FALSE;
-    } else if ((strcmp(str, "online") == 0) ||
-                (strcmp(str, "chat") == 0) ||
-                (strcmp(str, "away") == 0) ||
-                (strcmp(str, "xa") == 0) ||
-                (strcmp(str, "dnd") == 0)) {
+    assert(str != NULL);
+    if ((strcmp(str, "online") == 0) || (strcmp(str, "chat") == 0) ||
+            (strcmp(str, "away") == 0) || (strcmp(str, "xa") == 0) ||
+            (strcmp(str, "dnd") == 0)) {
         return TRUE;
     } else {
         return FALSE;
     }
 }
 
+const char *
+presence_display_string_from_type(presence_t presence)
+{
+    switch (presence)
+    {
+        case PRESENCE_ONLINE:
+            return "online";
+        case PRESENCE_CHAT:
+            return "chat";
+        case PRESENCE_AWAY:
+            return "away";
+        case PRESENCE_XA:
+            return "xa";
+        case PRESENCE_DND:
+            return "dnd";
+        case PRESENCE_OFFLINE:
+            return "offline";
+        default:
+            return NULL;
+    }
+}
+
+const char *
+presence_stanza_show_from_type(presence_t presence)
+{
+    assert(presence != PRESENCE_OFFLINE);
+
+    switch (presence)
+    {
+        case PRESENCE_ONLINE:
+            return NULL;
+        case PRESENCE_CHAT:
+            return "chat";
+        case PRESENCE_AWAY:
+            return "away";
+        case PRESENCE_XA:
+            return "xa";
+        case PRESENCE_DND:
+            return "dnd";
+        default:
+            return NULL;
+    }
+}
+
 gchar *
 xdg_get_config_home(void)
 {
diff --git a/src/common.h b/src/common.h
index e2132186..b2c8590a 100644
--- a/src/common.h
+++ b/src/common.h
@@ -76,6 +76,8 @@ char * prof_getline(FILE *stream);
 int octet_compare(unsigned char *str1, unsigned char *str2);
 char* release_get_latest(void);
 gboolean presence_valid_string(const char * const str);
+const char * presence_display_string_from_type(presence_t presence);
+const char * presence_stanza_show_from_type(presence_t presence);
 gchar * xdg_get_config_home(void);
 gchar * xdg_get_data_home(void);