1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
/**
* @file llcommandhandler.h
* @brief Central registry for text-driven "commands", most of
* which manipulate user interface. For example, the command
* "agent (uuid) about" will open the UI for an avatar's profile.
*
* $LicenseInfo:firstyear=2007&license=viewergpl$
*
* Copyright (c) 2007, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlife.com/developers/opensource/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at http://secondlife.com/developers/opensource/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
#ifndef LLCOMMANDHANDLER_H
#define LLCOMMANDHANDLER_H
/* To implement a command "foo" that takes one parameter,
a UUID, do this:
class LLFooHandler : public LLCommandHandler
{
public:
// Inform the system you handle commands starting
// with "foo"
LLFooHandler() : LLCommandHandler("foo") { }
// Your code here
bool handle(const std::vector<std::string>& tokens)
{
if (tokens.size() < 1) return false;
LLUUID id( tokens[0] );
return doFoo(id);
}
};
// Creating the object registers with the dispatcher.
LLFooHandler gFooHandler;
*/
class LLCommandHandler
{
public:
LLCommandHandler(const char* command);
// Automatically registers object to get called when
// command is executed.
virtual ~LLCommandHandler();
virtual bool handle(const std::vector<std::string>& params) = 0;
// Execute the command with a provided (possibly empty)
// list of parameters.
// Return true if you did something, false if the parameters
// are invalid or on error.
};
class LLCommandDispatcher
{
public:
static bool dispatch(const std::string& cmd, const std::vector<std::string>& params);
// Execute a command registered via the above mechanism,
// passing string parameters.
// Returns true if command was found and executed correctly.
};
#endif
|
