[ADD/MOD] XMPP->Matrix media bridge, small cleanup

src/Events.c

@@ -1,5 +1,10 @@
 #include <Matrix.h>
 
+#include <Cytoplasm/Memory.h>
+#include <Cytoplasm/Str.h>
+
+#include <string.h>
+
 HashMap *
 MatrixCreateNotice(char *body)
 {
@@ -61,3 +66,51 @@ MatrixCreateNickChange(char *nick)
 
     return map;
 }
+HashMap *
+MatrixCreateMedia(char *mxc, char *body, char *mime)
+{
+    HashMap *map;
+    char *mime_type = NULL, *matrix_type = NULL;
+    if (!mxc || !body)
+    {
+        return NULL;
+    }
+
+    matrix_type = "m.file";
+    if (mime)
+    {
+        size_t i;
+        mime_type = StrDuplicate(mime);
+        for (i = 0; i < strlen(mime); i++)
+        {
+            if (mime_type[i] == '/')
+            {
+                mime_type[i] = '\0';
+                break;
+            }
+        }
+
+        if (StrEquals(mime_type, "image"))
+        {
+            matrix_type = "m.image";
+        }
+        else if (StrEquals(mime_type, "video"))
+        {
+            matrix_type = "m.video";
+        }
+        else if (StrEquals(mime_type, "audio"))
+        {
+            matrix_type = "m.audio";
+        }
+
+        Free(mime_type);
+    }
+
+    map = HashMapCreate();
+    HashMapSet(map, "msgtype", JsonValueString(matrix_type));
+    HashMapSet(map, "mimetype", JsonValueString(mime));
+    HashMapSet(map, "body", JsonValueString(body));
+    HashMapSet(map, "url", JsonValueString(mxc));
+
+    return map;
+}