[ADD/WIP] Baisic VCards, worst XEP-0393 parser

Blocks coming soon. Took me a day to get a system I remotely liked, and
now I feel ashamed of that a bit. It's truly over...

src/include/XEP393.h

@@ -0,0 +1,43 @@
+#ifndef PARSEE_XEP393_H
+#define PARSEE_XEP393_H
+
+#include <Cytoplasm/Array.h>
+
+typedef enum XEP393Type {
+    XEP393_ROOT,
+    XEP393_ITALIC,
+    XEP393_EMPH,
+    XEP393_MONO,
+    XEP393_TEXT
+} XEP393Type;
+typedef struct XEP393Element {
+    struct XEP393Element *parent;
+
+    XEP393Type type;
+
+    char *text_data;
+    Array *children;
+} XEP393Element;
+
+/** Tries to decode a XEP-393 message into a formatted structure.
+ * --------
+ * Returns: A root XEP393Element[LA:HEAP] | NULL
+ * Modifies: NOTHING
+ * See-Also: https://xmpp.org/extensions/xep-0393.html, XEP393FreeElement  */
+extern XEP393Element * XEP393(char *message);
+
+/** Frees an XEP-0393 {element}, alongside all it's children
+ * --------
+ * Returns: NOTHING
+ * Modifies: {element}
+ * See-Also: https://xmpp.org/extensions/xep-0393.html, XEP393 */
+extern void XEP393FreeElement(XEP393Element *element);
+
+/** Converts a XEP-0393 element to a XMLd string
+ * --------
+ * Returns: A string representing a XML'ified version of {xepd}[LA:HEAP]
+ * Modifies: NOTHING
+ * See-Also: https://xmpp.org/extensions/xep-0393.html, XEP393FreeElement, XEP393 */
+extern char * XEP393ToXMLString(XEP393Element *xepd);
+
+#endif