[MOD] Add width/height information when possible

src/FileInfo.c

@@ -0,0 +1,66 @@
+#include <FileInfo.h>
+
+#include <Cytoplasm/Memory.h>
+#include <Cytoplasm/Str.h>
+
+#include <string.h>
+#include <stdlib.h>
+
+static int
+GetField(XMLElement *elem)
+{
+    XMLElement *child;
+    if (!elem || ArraySize(elem->children) != 1)
+    {
+        return 0;
+    }
+
+    child = ArrayGet(elem->children, 0);
+
+    return strtol(child->data, NULL, 10);
+}
+
+FileInfo *
+FileInfoFromXMPP(XMLElement *stanza)
+{
+    FileInfo *info;
+    XMLElement *reference, *sims, *file;
+
+    if (!stanza)
+    {
+        return NULL;
+    }
+
+    reference = XMLookForTKV(stanza, 
+        "reference", "xmlns", "urn:xmpp:reference:0"
+    );
+    sims = XMLookForTKV(reference,
+        "media-sharing", "xmlns", "urn:xmpp:sims:1"
+    );
+    file = XMLookForTKV(sims,
+        "file", "xmlns", "urn:xmpp:jingle:apps:file-transfer:5"
+    );
+    if (!file)
+    {
+        return NULL;
+    }
+
+    info = Malloc(sizeof(*info));
+
+
+    info->width = GetField(XMLookForUnique(file, "width"));
+    info->height = GetField(XMLookForUnique(file, "height"));
+    info->size = GetField(XMLookForUnique(file, "size"));
+    return info;
+}
+
+void 
+FileInfoFree(FileInfo *info)
+{
+    if (!info)
+    {
+        return;
+    }
+
+    Free(info);
+}