[MOD/ADD] Start element/XMPPwerk

XML gave me an aneurysm. I hate this.

src/XML/Elements.c

@@ -0,0 +1,112 @@
+#include <XML.h>
+
+#include <Cytoplasm/Memory.h>
+#include <Cytoplasm/Str.h>
+
+XMLElement *
+XMLCreateTag(char *name)
+{
+    XMLElement *elem;
+    if (!name)
+    {
+        return NULL;
+    }
+
+    elem = Malloc(sizeof(*elem));
+
+    elem->type = XML_ELEMENT_TAG;
+    elem->name = StrDuplicate(name);
+    elem->attrs = HashMapCreate();
+    elem->children = ArrayCreate();
+
+    elem->data = NULL;
+
+    return elem;
+}
+XMLElement *
+XMLCreateText(char *data)
+{
+    XMLElement *elem;
+    if (!data)
+    {
+        return NULL;
+    }
+
+    elem = Malloc(sizeof(*elem));
+
+    elem->type = XML_ELEMENT_DATA;
+    elem->name = NULL;
+    elem->attrs = NULL;
+    elem->children = NULL;
+
+    elem->data = StrDuplicate(data);
+
+    return elem;
+}
+
+void
+XMLAddAttr(XMLElement *element, char *key, char *val)
+{
+    if (!element || !key || !val)
+    {
+        return;
+    }
+    if (element->type != XML_ELEMENT_TAG)
+    {
+        return;
+    }
+
+    HashMapSet(element->attrs, key, StrDuplicate(val));
+}
+void 
+XMLAddChild(XMLElement *element, XMLElement *child)
+{
+    if (!element || !child)
+    {
+        return;
+    }
+    if (element->type != XML_ELEMENT_TAG)
+    {
+        return;
+    }
+    
+    ArrayAdd(element->children, child);
+}
+
+void
+XMLFreeElement(XMLElement *element)
+{
+    if (!element)
+    {
+        return;
+    }
+
+    if (element->name)
+    {
+        Free(element->name);
+    }
+    if (element->data)
+    {
+        Free(element->data);
+    }
+    if (element->attrs)
+    {
+        char *key, *val;
+        while (HashMapIterate(element->attrs, &key, (void **) &val))
+        {
+            Free(val);
+        }
+        HashMapFree(element->attrs);
+    }
+    if (element->children)
+    {
+        size_t i;
+        for (i = 0; i < ArraySize(element->children); i++)
+        {
+            XMLFreeElement(ArrayGet(element->children, i));
+        }
+        ArrayFree(element->children);
+    }
+
+    Free(element);
+}

src/XMPP/Component.c

@@ -0,0 +1,37 @@
+#include <XMPP.h>
+
+#include <XML.h>
+
+/* TODO: Write the stream system once we have our XML implementation 
+ * checked out.
+ *
+ * Did I mention I _hate_ writing XML SAX parsers? Oh, well, they're 
+ * easier than making a DOM directly, so eeh. */
+
+/* The default component port Prosody uses. */
+#define DEFAULT_PROSODY_PORT                5347
+
+Stream *
+XMPPInitialiseCompStream(char *host, int port)
+{
+    /* TODO */
+    (void) host;
+    (void) port;
+    return NULL;
+}
+
+bool
+XMPPAuthenticateCompStream(Stream *stream, char *shared)
+{
+    /* TODO */
+    (void) stream;
+    (void) shared;
+    return NULL;
+}
+
+void
+XMPPEndCompStream(Stream *stream)
+{
+    (void) stream;
+    return NULL;
+}

src/include/XML.h

@@ -3,6 +3,7 @@
 
 #include <Cytoplasm/HashMap.h>
 #include <Cytoplasm/Stream.h>
+#include <Cytoplasm/Array.h>
 
 typedef struct XMLexer XMLexer;
 typedef struct XMLEvent {
@@ -33,4 +34,39 @@ extern XMLexer * XMLCreateLexer(Stream *, bool);
 extern XMLEvent * XMLCrank(XMLexer *);
 extern void XMLFreeEvent(XMLEvent *);
 extern void XMLFreeLexer(XMLexer *);
+
+typedef struct XMLElement {
+    enum {
+        XML_ELEMENT_UNKNOWN     = 0,
+        XML_ELEMENT_TAG,
+        XML_ELEMENT_DATA,
+        XML_ELEMENT_PI,
+        XML_ELEMENT_CDATA
+    } type;
+
+
+    /* Only set when the type is a TAG. */
+    char *name;
+    HashMap *attrs;
+    Array *children;
+
+    /* Only set when the type is DATA or 
+     * CDATA */
+    char *data;
+} XMLElement;
+
+/* Decodes 1 element off a stream. */
+extern XMLElement * XMLDecode(Stream *stream, bool autofree);
+
+extern XMLElement * XMLCreateTag(char *name);
+extern XMLElement * XMLCreateText(char *data);
+extern void XMLAddAttr(XMLElement *element, char *key, char *val);
+extern void XMLAddChild(XMLElement *element, XMLElement *child);
+
+
+/* Frees an XML element properly. */
+extern void XMLFreeElement(XMLElement *element);
+
+/* Encodes an XML element to a stream */
+extern void XMLEncode(Stream *stream, XMLElement *element);
 #endif

src/include/XMPP.h

@@ -0,0 +1,19 @@
+#ifndef PARSEE_XMPP_H
+#define PARSEE_XMPP_H
+
+#include <Cytoplasm/Stream.h>
+
+/* Initialises a raw component stream to host, with an optional port.
+ * If said port is 0, then it is set to the default Prosody port */
+extern Stream * XMPPInitialiseCompStream(char *host, int port);
+
+/* Authenticates a component stream with a given shared secret, 
+ * with a stream ID from the server. This should be called right 
+ * after XMPPInitialiseCompStream. */
+extern bool XMPPAuthenticateCompStream(Stream *stream, char *shared);
+
+/* TODO: XMPP stuff, I don't fucking know, I'm not a Jabbernerd. */
+
+/* Closes a raw component stream. */
+extern void XMPPEndCompStream(Stream *stream);
+#endif