1 /**
2 * Whiteboard session manager
3 * Message generation utilities
4 *
5 * Authors:
6 * David Yip <yipdw@rose-hulman.edu>
7 * Jonas Collaros, Stephen Montgomery
8 *
9 * Copyright (c) 2004-2005 Authors
10 *
11 * Released under GNU GPL, read the file 'COPYING' for more information
12 */
14 #ifndef __WHITEBOARD_MESSAGE_UTILITIES_H__
15 #define __WHITEBOARD_MESSAGE_UTILITIES_H__
17 #include <glibmm.h>
18 #include "xml/repr.h"
20 #include "xml/node.h"
21 #include "jabber_whiteboard/defines.h"
23 using Glib::ustring;
25 namespace Inkscape {
27 namespace Util {
29 template< typename T >
30 class ptr_shared;
32 }
34 namespace Whiteboard {
36 struct Node {
37 ustring tag;
38 ustring data;
39 ustring::size_type next_pos;
40 };
42 class XMLNodeTracker;
44 class MessageUtilities {
45 public:
46 // Message generation utilities
47 static void newObjectMessage(Glib::ustring &msgbuf,
48 KeyNodeTable& newnodesbuf,
49 NewChildObjectMessageList& childmsgbuf,
50 XMLNodeTracker* xmt,
51 Inkscape::XML::Node const* node,
52 bool only_collect_nodes = false,
53 bool collect_children = true);
54 static void objectChangeMessage(Glib::ustring &msgbuf,
55 XMLNodeTracker* xmt,
56 const Glib::ustring &id,
57 gchar const* key,
58 gchar const* oldval,
59 gchar const* newval,
60 bool is_interactive);
61 static void objectDeleteMessage(Glib::ustring &msgbuf,
62 XMLNodeTracker* xmt,
63 Inkscape::XML::Node const& parent,
64 Inkscape::XML::Node const& child,
65 Inkscape::XML::Node const* prev);
66 static void contentChangeMessage(Glib::ustring &msgbuf,
67 const Glib::ustring &nodeid,
68 Util::ptr_shared<char> old_value,
69 Util::ptr_shared<char> new_value);
70 static void childOrderChangeMessage(Glib::ustring &msgbuf,
71 const Glib::ustring &childid,
72 const Glib::ustring &oldprevid,
73 const Glib::ustring &newprevid);
75 // Message parsing utilities
76 static bool getFirstMessageTag(struct Node& buf,
77 const Glib::ustring &msg);
78 static bool findTag(struct Node& buf,
79 const Glib::ustring &msg);
81 // Message tag generation utilities
82 static Glib::ustring makeTagWithContent(const Glib::ustring &tagname,
83 const Glib::ustring &content);
85 private:
86 // noncopyable, nonassignable
87 MessageUtilities(MessageUtilities const&);
88 MessageUtilities& operator=(MessageUtilities const&);
90 };
92 }
94 }
100 /*
101 Local Variables:
102 mode:c++
103 c-file-style:"stroustrup"
104 c-file-offsets:((innamespace . 0)(inline-open . 0))
105 indent-tabs-mode:nil
106 fill-column:99
107 End:
108 */
109 // vim: filetype=c++:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :
110 #endif