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author | markt <markt> | 2007-12-13 05:48:00 (GMT) |
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committer | markt <markt> | 2007-12-13 05:48:00 (GMT) |
commit | 8b7464046cea5e521ac46811591b0fce0c45aca1 (patch) | |
tree | 09df752f426a249ae15375a626a98436c8727593 /src/CommandParser.cc | |
parent | daca07edafc2e75eb9ee04d35fe80759308a8583 (diff) | |
download | fluxbox_pavel-8b7464046cea5e521ac46811591b0fce0c45aca1.zip fluxbox_pavel-8b7464046cea5e521ac46811591b0fce0c45aca1.tar.bz2 |
added FbTk::CommandRegistry, decentralized command parsing, and made them auto-register
Diffstat (limited to 'src/CommandParser.cc')
-rw-r--r-- | src/CommandParser.cc | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/src/CommandParser.cc b/src/CommandParser.cc deleted file mode 100644 index a1e52e5..0000000 --- a/src/CommandParser.cc +++ /dev/null | |||
@@ -1,124 +0,0 @@ | |||
1 | // CommandParser.cc for Fluxbox - an X11 Window manager | ||
2 | // Copyright (c) 2003 - 2006 Henrik Kinnunen (fluxgen at fluxbox dot org) | ||
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 | // $Id$ | ||
24 | |||
25 | #include "CommandParser.hh" | ||
26 | #include "FbTk/StringUtil.hh" | ||
27 | |||
28 | #include <vector> | ||
29 | |||
30 | using std::string; | ||
31 | using std::vector; | ||
32 | using FbTk::StringUtil::removeFirstWhitespace; | ||
33 | using FbTk::StringUtil::toLower; | ||
34 | |||
35 | |||
36 | CommandParser *CommandParser::s_singleton = 0; | ||
37 | |||
38 | CommandFactory::CommandFactory() { | ||
39 | |||
40 | } | ||
41 | |||
42 | CommandFactory::~CommandFactory() { | ||
43 | // remove all associations with this factory | ||
44 | CommandParser::instance().removeAssociation(*this); | ||
45 | |||
46 | } | ||
47 | |||
48 | void CommandFactory::addCommand(const std::string &command_name) { | ||
49 | CommandParser::instance().associateCommand(command_name, *this); | ||
50 | } | ||
51 | |||
52 | // ensure it is singleton | ||
53 | CommandParser::CommandParser() { | ||
54 | if (s_singleton != 0) | ||
55 | throw std::string("CommandParser currently meant ot be singleton"); | ||
56 | } | ||
57 | |||
58 | CommandParser &CommandParser::instance() { | ||
59 | if (s_singleton == 0) | ||
60 | s_singleton = new CommandParser(); | ||
61 | |||
62 | return *s_singleton; | ||
63 | } | ||
64 | |||
65 | FbTk::Command *CommandParser::parseLine(const std::string &line, bool trusted) { | ||
66 | |||
67 | // parse arguments and command | ||
68 | string command = line; | ||
69 | string arguments; | ||
70 | string::size_type first_pos = removeFirstWhitespace(command); | ||
71 | FbTk::StringUtil::removeTrailingWhitespace(command); | ||
72 | string::size_type second_pos = command.find_first_of(" \t", first_pos); | ||
73 | if (second_pos != string::npos) { | ||
74 | // ok we have arguments, parsing them here | ||
75 | arguments = command.substr(second_pos); | ||
76 | removeFirstWhitespace(arguments); | ||
77 | command.erase(second_pos); // remove argument from command | ||
78 | } | ||
79 | |||
80 | // now we have parsed command and arguments | ||
81 | command = toLower(command); | ||
82 | |||
83 | // we didn't find any matching command in default commands, | ||
84 | // so we search in the command creators modules for a | ||
85 | // matching command string | ||
86 | return toCommand(command, arguments, trusted); | ||
87 | |||
88 | } | ||
89 | |||
90 | FbTk::Command *CommandParser::toCommand(const std::string &command_str, | ||
91 | const std::string &arguments, bool trusted) { | ||
92 | if (m_commandfactorys[command_str] != 0) | ||
93 | return m_commandfactorys[command_str]->stringToCommand(command_str, arguments, trusted); | ||
94 | |||
95 | return 0; | ||
96 | } | ||
97 | |||
98 | void CommandParser::associateCommand(const std::string &command, CommandFactory &factory) { | ||
99 | // we shouldnt override other commands | ||
100 | if (m_commandfactorys[command] != 0) | ||
101 | return; | ||
102 | |||
103 | m_commandfactorys[command] = &factory; | ||
104 | } | ||
105 | |||
106 | void CommandParser::removeAssociation(CommandFactory &factory) { | ||
107 | // commands that are associated with the factory | ||
108 | vector<string> commands; | ||
109 | // find associations | ||
110 | CommandFactoryMap::iterator factory_it = m_commandfactorys.begin(); | ||
111 | const CommandFactoryMap::iterator factory_it_end = m_commandfactorys.end(); | ||
112 | for (; factory_it != factory_it_end; ++factory_it) { | ||
113 | if ((*factory_it).second == &factory) | ||
114 | commands.push_back((*factory_it).first); | ||
115 | } | ||
116 | // remove all associations | ||
117 | while (!commands.empty()) { | ||
118 | m_commandfactorys.erase(commands.back()); | ||
119 | commands.pop_back(); | ||
120 | } | ||
121 | |||
122 | if (m_commandfactorys.empty()) | ||
123 | delete s_singleton; | ||
124 | } | ||