f45c31d8
 Peter M. Groen
MOve headers to i...
|
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
|
/* ****************************************************************************
* Copyright 2019 Open Systems Development BV *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the "Software"), *
* to deal in the Software without restriction, including without limitation *
* the rights to use, copy, modify, merge, publish, distribute, sublicense, *
* and/or sell copies of the Software, and to permit persons to whom the *
* Software is furnished to do so, subject to the following conditions: *
* *
* The above copyright notice and this permission notice shall be included in *
* all copies or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR *
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, *
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL *
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER *
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING *
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER *
* DEALINGS IN THE SOFTWARE. *
* ***************************************************************************/
#ifndef OSDEV_COMPONENTS_MQTT_MQTTUTIL_H
#define OSDEV_COMPONENTS_MQTT_MQTTUTIL_H
// std
#include <string>
namespace osdev {
namespace components {
namespace mqtt {
/*!
* \brief Determine if topic is a valid mqtt topic filter.
* \param topic - The topic to test.
* \return True when topic is valid, false otherwise.
*/
bool isValidTopic( const std::string &topic );
/*!
* \brief Test a topic against another topicfilter for overlap.
* \param existingTopic - The topic to test against
* \param newTopic - The topic to test.
* \return True when topics overlap, false otherwise
*/
bool testForOverlap( const std::string & existingTopic, const std::string &newTopic );
/*!
* \brief Test a topic for occurence of wildcards
* \param topic - The topic to test
* \return True if topics contains wildcards, false otherwise
*/
bool hasWildcard( const std::string &topic );
/*!
* \brief Create a regular expression string based on a topicfilter that can be used
* to match topic strings against topics with no wildcards.
* \pre The topic filter is valid.
* \return The regular expression string. If the topic filter is not valid then the
* returned string is also not valid.
*/
std::string convertTopicToRegex( const std::string &topic );
} // End namespace mqtt
} // End namespace components
} // osdev
#endif // OSDEV_COMPONENTS_MQTT_MQTTUTIL_H
|
