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Diffstat (limited to 'src/FbTk/LogicCommands.hh')
-rw-r--r-- | src/FbTk/LogicCommands.hh | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/src/FbTk/LogicCommands.hh b/src/FbTk/LogicCommands.hh new file mode 100644 index 0000000..a94dad8 --- /dev/null +++ b/src/FbTk/LogicCommands.hh | |||
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1 | // LogicCommands.hh for FbTk | ||
2 | // Copyright (c) 2007 Fluxbox Team (fluxgen at fluxbox dot org) | ||
3 | // | ||
4 | // Permission is hereby granted, free of charge, to any person obtaining a | ||
5 | // copy of this software and associated documentation files (the "Software"), | ||
6 | // to deal in the Software without restriction, including without limitation | ||
7 | // the rights to use, copy, modify, merge, publish, distribute, sublicense, | ||
8 | // and/or sell copies of the Software, and to permit persons to whom the | ||
9 | // Software is furnished to do so, subject to the following conditions: | ||
10 | // | ||
11 | // The above copyright notice and this permission notice shall be included in | ||
12 | // all copies or substantial portions of the Software. | ||
13 | // | ||
14 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
15 | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
16 | // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | ||
17 | // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
18 | // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | ||
19 | // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | ||
20 | // DEALINGS IN THE SOFTWARE. | ||
21 | |||
22 | // $Id: $ | ||
23 | |||
24 | #ifndef FBTK_LOGICCOMMANDS_HH | ||
25 | #define FBTK_LOGICCOMMANDS_HH | ||
26 | |||
27 | #include "Command.hh" | ||
28 | #include "RefCount.hh" | ||
29 | |||
30 | #include <vector> | ||
31 | |||
32 | namespace FbTk { | ||
33 | |||
34 | /// executes a boolcommand and uses the result to decide what to do | ||
35 | class IfCommand: public Command { | ||
36 | public: | ||
37 | IfCommand(RefCount<BoolCommand> &cond, | ||
38 | RefCount<Command> &t, RefCount<Command> &f): | ||
39 | m_cond(cond), m_t(t), m_f(f) { } | ||
40 | void execute() { | ||
41 | if (m_cond->bool_execute()) | ||
42 | m_t->execute(); | ||
43 | else | ||
44 | m_f->execute(); | ||
45 | } | ||
46 | |||
47 | private: | ||
48 | RefCount<BoolCommand> m_cond; | ||
49 | RefCount<Command> m_t, m_f; | ||
50 | }; | ||
51 | |||
52 | /// executes a list of boolcommands until one is true | ||
53 | class OrCommand: public BoolCommand { | ||
54 | public: | ||
55 | void add(RefCount<BoolCommand> &com); | ||
56 | size_t size() const; | ||
57 | bool bool_execute(); | ||
58 | |||
59 | private: | ||
60 | std::vector<RefCount<BoolCommand> > m_commandlist; | ||
61 | }; | ||
62 | |||
63 | /// executes a list of boolcommands until one is false | ||
64 | class AndCommand: public BoolCommand { | ||
65 | public: | ||
66 | void add(RefCount<BoolCommand> &com); | ||
67 | size_t size() const; | ||
68 | bool bool_execute(); | ||
69 | |||
70 | private: | ||
71 | std::vector<RefCount<BoolCommand> > m_commandlist; | ||
72 | }; | ||
73 | |||
74 | /// executes a list of boolcommands, returning the parity | ||
75 | class XorCommand: public BoolCommand { | ||
76 | public: | ||
77 | void add(RefCount<BoolCommand> &com); | ||
78 | size_t size() const; | ||
79 | bool bool_execute(); | ||
80 | |||
81 | private: | ||
82 | std::vector<RefCount<BoolCommand> > m_commandlist; | ||
83 | }; | ||
84 | |||
85 | /// executes a boolcommand and returns the negation | ||
86 | class NotCommand: public BoolCommand { | ||
87 | public: | ||
88 | NotCommand(RefCount<BoolCommand> &com): m_command(com) { } | ||
89 | bool bool_execute() { return !m_command->bool_execute(); } | ||
90 | |||
91 | private: | ||
92 | RefCount<BoolCommand> m_command; | ||
93 | }; | ||
94 | |||
95 | } // end namespace FbTk | ||
96 | |||
97 | #endif // FBTK_LOGICCOMMANDS_HH | ||