src/jabber_whiteboard/message-utilities.h

   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  */
  13
  14 #ifndef __WHITEBOARD_MESSAGE_UTILITIES_H__
  15 #define __WHITEBOARD_MESSAGE_UTILITIES_H__
  16
  17 #include <glibmm.h>
  18 #include "xml/repr.h"
  19
  20 #include "xml/node.h"
  21 #include "jabber_whiteboard/defines.h"
  22
  23 using Glib::ustring;
  24
  25 namespace Inkscape {
  26
  27 namespace Util {
  28
  29 template< typename T >
  30 class ptr_shared;
  31
  32 }
  33
  34 namespace Whiteboard {
  35
  36 struct Node {
  37         ustring tag;
  38         ustring data;
  39         ustring::size_type next_pos;
  40 };
  41
  42 class XMLNodeTracker;
  43
  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);
  74
  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);
  80
  81     // Message tag generation utilities
  82     static Glib::ustring makeTagWithContent(const Glib::ustring &tagname,
  83                                             const Glib::ustring &content);
  84
  85 private:
  86     // noncopyable, nonassignable
  87     MessageUtilities(MessageUtilities const&);
  88     MessageUtilities& operator=(MessageUtilities const&);
  89
  90 };
  91
  92 }
  93
  94 }
  95
  96
  97
  98
  99
 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