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Diffstat (limited to 'src/CommandParser.hh')
-rw-r--r-- | src/CommandParser.hh | 77 |
1 files changed, 77 insertions, 0 deletions
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1 | // CommandParser.hh for Fluxbox - an X11 Window manager | ||
2 | // Copyright (c) 2003 Henrik Kinnunen (fluxgen{<a*t>}users.sourceforge.net) | ||
3 | // and Simon Bowden (rathnor at users.sourceforge.net) | ||
4 | // | ||
5 | // Permission is hereby granted, free of charge, to any person obtaining a | ||
6 | // copy of this software and associated documentation files (the "Software"), | ||
7 | // to deal in the Software without restriction, including without limitation | ||
8 | // the rights to use, copy, modify, merge, publish, distribute, sublicense, | ||
9 | // and/or sell copies of the Software, and to permit persons to whom the | ||
10 | // Software is furnished to do so, subject to the following conditions: | ||
11 | // | ||
12 | // The above copyright notice and this permission notice shall be included in | ||
13 | // all copies or substantial portions of the Software. | ||
14 | // | ||
15 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
16 | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
17 | // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | ||
18 | // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
19 | // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | ||
20 | // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | ||
21 | // DEALINGS IN THE SOFTWARE. | ||
22 | |||
23 | // $Id: CommandParser.hh,v 1.3 2004/01/02 13:43:58 fluxgen Exp $ | ||
24 | |||
25 | #ifndef COMMANDPARSER_HH | ||
26 | #define COMMANDPARSER_HH | ||
27 | |||
28 | #include <string> | ||
29 | #include <map> | ||
30 | |||
31 | #include "RefCount.hh" | ||
32 | |||
33 | namespace FbTk { | ||
34 | class Command; | ||
35 | }; | ||
36 | |||
37 | /// Creates commands from command and argument. | ||
38 | /// Used for modules to add new commands in compile/run time | ||
39 | class CommandFactory { | ||
40 | public: | ||
41 | CommandFactory(); | ||
42 | virtual ~CommandFactory(); | ||
43 | virtual FbTk::Command *stringToCommand(const std::string &command, | ||
44 | const std::string &arguments) = 0; | ||
45 | protected: | ||
46 | void addCommand(const std::string &value); | ||
47 | }; | ||
48 | |||
49 | /// Parses text into a command | ||
50 | class CommandParser { | ||
51 | public: | ||
52 | typedef std::map<std::string, CommandFactory *> CommandFactoryMap; | ||
53 | |||
54 | /// @return parses and returns a command matching the line | ||
55 | FbTk::Command *parseLine(const std::string &line); | ||
56 | |||
57 | /// @return instance of command parser | ||
58 | static CommandParser &instance(); | ||
59 | /// @return map of factorys | ||
60 | const CommandFactoryMap &factorys() const { return m_commandfactorys; } | ||
61 | private: | ||
62 | // so CommandFactory can associate it's commands | ||
63 | friend class CommandFactory; | ||
64 | /// associate a command with a factory | ||
65 | void associateCommand(const std::string &name, CommandFactory &factory); | ||
66 | /// remove all associations with the factory | ||
67 | void removeAssociation(CommandFactory &factory); | ||
68 | |||
69 | /// search for a command in our command factory map | ||
70 | FbTk::Command *toCommand(const std::string &command, | ||
71 | const std::string &arguments); | ||
72 | |||
73 | CommandFactoryMap m_commandfactorys; ///< a string to factory map | ||
74 | |||
75 | }; | ||
76 | |||
77 | #endif // COMMANDPARSER_HH | ||