Add a class for handling JIDs.

Makefile

@@ -1,6 +1,6 @@
 all: tests/tests
 
-tests/tests: tests/test.m src/XMPPConnection.m src/XMPPStanza.m
+tests/tests: tests/test.m src/XMPPConnection.m src/XMPPStanza.m src/XMPPJID.m
 	objfw-compile -o $@ $^ -lidn -Wall -Werror -Isrc
 
 clean:

src/XMPPConnection.h

@@ -1,4 +1,5 @@
 #import <ObjFW/ObjFW.h>
+#import <XMPPJID.h>
 
 @class XMPPConnection;
 @class XMPPIQ;
@@ -25,7 +26,7 @@
 	OFXMLElementBuilder *elementBuilder;
 
 	/**
-	 * The username (local part of the JID) to connect with
+	 * The username to connect with
 	 */
 	OFString *username;
 
@@ -44,6 +45,11 @@
 	 */
 	OFString *resource;
 
+	/**
+	 * The JID bound to this connection (this is determined by the server)
+	 */
+	XMPPJID *JID;
+
 	/**
 	 * The port to connect to
 	 */
@@ -61,6 +67,7 @@
 @property (copy) OFString *password;
 @property (copy) OFString *server;
 @property (copy) OFString *resource;
+@property (readonly) XMPPJID *JID;
 @property (assign) short port;
 @property (assign) BOOL useTLS;
 @property (retain) id <XMPPConnectionDelegate> delegate;

src/XMPPConnection.m

@@ -13,6 +13,7 @@
 @synthesize password;
 @synthesize server;
 @synthesize resource;
+@synthesize JID;
 @synthesize port;
 @synthesize useTLS;
 @synthesize delegate;
@@ -218,8 +219,9 @@
 	if ([bindElem.name isEqual: @"bind"] &&
 	    [bindElem.namespace isEqual: NS_BIND]) {
 		OFXMLElement *jidElem = bindElem.children.firstObject;
-		of_log(@"Bound to JID: %@", [jidElem.children.firstObject
-				stringValue]);
+		JID = [[XMPPJID alloc] initWithString:
+			[jidElem.children.firstObject stringValue]];
+		of_log(@"Bound to JID: %@", [JID fullJID]);
 	}
 }
 

src/XMPPJID.h

@@ -0,0 +1,60 @@
+#import <ObjFW/ObjFW.h>
+
+/**
+ * \brief A class for easy handling of JIDs
+ */
+@interface XMPPJID: OFObject
+{
+	/**
+	 * The JID's localpart
+	 */
+	OFString *node;
+
+	/**
+	 * The JID's domainpart
+	 */
+	OFString *domain;
+
+	/**
+	 * The JID's resourcepart
+	 */
+	OFString *resource;
+}
+
+@property (copy) OFString *node;
+@property (copy) OFString *domain;
+@property (copy) OFString *resource;
+
+/**
+ * Creates a new XMPPJID
+ *
+ * \return A new autoreleased XMPPJID
+ */
++ JID;
+
+/**
+ * Creates a new XMPPJID from a OFString
+ *
+ * \param str The string to parse into a JID object
+ * \return A new autoreleased XMPPJID
+ */
++ JIDWithString: (OFString*)str;
+
+/**
+ * Initializes an already allocated XMPPJID using a OFString
+ *
+ * \param str The string to parse into a JID object
+ * \return A initialized XMPPJID
+ */
+- initWithString: (OFString*)str;
+
+/**
+ * \return A OFString containing the bare JID
+ */
+- (OFString*)bareJID;
+
+/**
+ * \return A OFString containing the full JID
+ */
+- (OFString*)fullJID;
+@end

src/XMPPJID.m

@@ -0,0 +1,127 @@
+#include <assert.h>
+#include <stringprep.h>
+#import "XMPPJID.h"
+
+@implementation XMPPJID
+@synthesize node;
+@synthesize domain;
+@synthesize resource;
+
++ JID
+{
+	return [[[self alloc] init] autorelease];
+}
+
++ JIDWithString: (OFString*)str
+{
+	return [[[self alloc] initWithString: str] autorelease];
+}
+
+- initWithString: (OFString*)str
+{
+	self = [super init];
+
+	size_t nodesep, resourcesep;
+	nodesep = [str indexOfFirstOccurrenceOfString: @"@"];
+	resourcesep = [str indexOfFirstOccurrenceOfString: @"/"];
+
+	if (nodesep == -1)
+		[self setNode: @""];
+	else
+		[self setNode: [str substringFromIndex: 0
+					       toIndex: nodesep]];
+
+	if (resourcesep == -1) {
+		[self setResource: @""];
+		resourcesep = [str length];
+	} else
+		[self setResource: [str substringFromIndex: resourcesep + 1
+						 toIndex: [str length]]];
+
+	[self setDomain: [str substringFromIndex: nodesep + 1
+					 toIndex: resourcesep]];
+
+	return self;
+}
+
+- (void)setNode: (OFString*)node_
+{
+	OFString *old = node;
+	char *nodepart;
+
+	Stringprep_rc rc;
+	if ((rc = stringprep_profile([node_ cString], &nodepart, "Nodeprep", 0))
+			!= STRINGPREP_OK) {
+		of_log(@"Nodeprep failed: %s", stringprep_strerror(rc));
+		assert(0);
+	}
+
+	@try {
+		node = [[OFString alloc] initWithCString: nodepart];
+	} @finally {
+		free(nodepart);
+	}
+
+	[old release];
+}
+
+- (void)setDomain: (OFString*)domain_
+{
+	OFString *old = domain;
+	char *srv;
+
+	Stringprep_rc rc;
+	if ((rc = stringprep_profile([domain_ cString], &srv, "Nameprep", 0))
+			!= STRINGPREP_OK) {
+		of_log(@"Nameprep failed: %s", stringprep_strerror(rc));
+		assert(0);
+	}
+
+	@try {
+		domain = [[OFString alloc] initWithCString: srv];
+	} @finally {
+		free(srv);
+	}
+
+	[old release];
+}
+
+- (void)setResource: (OFString*)resource_
+{
+	OFString *old = resource;
+	char *res;
+
+	Stringprep_rc rc;
+	if ((rc = stringprep_profile([resource_ cString], &res,
+				"Resourceprep", 0)) != STRINGPREP_OK) {
+		of_log(@"Resourceprep failed: %s", stringprep_strerror(rc));
+		assert(0);
+	}
+
+	@try {
+		resource = [[OFString alloc] initWithCString: res];
+	} @finally {
+		free(res);
+	}
+
+	[old release];
+}
+
+- (OFString*)bareJID
+{
+	if ([node length])
+		return [OFString stringWithFormat: @"%@@%@", node, domain];
+	else
+		return [OFString stringWithFormat: @"%@", domain];
+}
+
+- (OFString*)fullJID
+{
+	if ([node length])
+		return [OFString stringWithFormat: @"%@@%@/%@",
+		       node, domain, resource];
+	else
+		return [OFString stringWithFormat: @"%@/%@",
+		       domain, resource];
+}
+@end