4 // Fraunhofer Institute for Open Communication Systems (FOKUS)
5 // Competence Center NETwork research (NET), St. Augustin, GERMANY
6 // Stefan Bund <g0dil@berlios.de>
8 // This program is free software; you can redistribute it and/or modify
9 // it under the terms of the GNU General Public License as published by
10 // the Free Software Foundation; either version 2 of the License, or
11 // (at your option) any later version.
13 // This program is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 // GNU General Public License for more details.
18 // You should have received a copy of the GNU General Public License
19 // along with this program; if not, write to the
20 // Free Software Foundation, Inc.,
21 // 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24 \brief Parse non-inline non-template implementation */
31 #include <boost/iterator/transform_iterator.hpp>
32 #include <boost/spirit/iterator/file_iterator.hpp>
33 #include "../Utils/String.hh"
34 #include "../Utils/Exception.hh"
36 //#include "Parse.mpp"
38 ///////////////////////////////cc.p////////////////////////////////////////
46 static void init(ParseCommandInfo & info)
49 static void setBuiltin(ParseCommandInfo & info, ParseCommandInfo::BuiltinCommand builtin)
50 { info.setBuiltin(builtin); }
52 static void setCommand(ParseCommandInfo & info, std::vector<std::string> & commandPath)
53 { info.setCommand(commandPath); }
55 static void startArgument(ParseCommandInfo & info)
56 { info.startArgument(); }
58 static void endArgument(ParseCommandInfo & info)
59 { info.endArgument(); }
61 static void addToken(ParseCommandInfo & info, ArgumentToken const & token)
62 { info.addToken(token); }
64 static void finalize(ParseCommandInfo & info)
67 static ArgumentToken makeToken(std::string const & token)
68 { return ArgumentToken(token); }
71 struct ParseDispatcher
73 ParseCommandInfo info_;
74 CommandParser::Callback cb_;
77 BindInfo( ParseDispatcher & d, CommandParser::Callback cb)
78 : dispatcher (d) { dispatcher.cb_ = cb; }
79 ~BindInfo() { dispatcher.cb_ = 0; }
81 ParseDispatcher & dispatcher;
84 void beginCommand(std::vector<std::string> & command)
85 { ParserAccess::init(info_);
86 ParserAccess::setCommand(info_, command); }
89 { ParserAccess::finalize(info_); cb_(info_); }
91 void pushArgument(std::string const & argument)
92 { ParserAccess::startArgument(info_);
93 ParserAccess::addToken(info_, ParserAccess::makeToken(argument));
94 ParserAccess::endArgument(info_); }
97 { ParserAccess::startArgument(info_); }
100 { ParserAccess::endArgument(info_); }
102 void pushPunctuation(std::string const & token)
103 { ParserAccess::addToken(info_, ParserAccess::makeToken(token)); }
105 void pushWord(std::string const & token)
106 { ParserAccess::addToken(info_, ParserAccess::makeToken(token)); }
108 void builtin_cd(std::vector<std::string> & path)
109 { ParserAccess::init(info_);
110 ParserAccess::setBuiltin(info_, ParseCommandInfo::BuiltinCD);
111 setBuiltinPathArg(path);
112 ParserAccess::finalize(info_); cb_(info_); }
114 void builtin_ls(std::vector<std::string> & path)
115 { ParserAccess::init(info_);
116 ParserAccess::setBuiltin(info_, ParseCommandInfo::BuiltinLS);
117 setBuiltinPathArg(path);
118 ParserAccess::finalize(info_); cb_(info_); }
120 void pushDirectory(std::vector<std::string> & path)
121 { ParserAccess::init(info_);
122 ParserAccess::setBuiltin(info_, ParseCommandInfo::BuiltinPUSHD);
123 setBuiltinPathArg(path);
124 ParserAccess::finalize(info_); cb_(info_); }
127 { ParserAccess::init(info_);
128 ParserAccess::setBuiltin(info_, ParseCommandInfo::BuiltinPOPD);
129 ParserAccess::finalize(info_); cb_(info_); }
132 { ParserAccess::init(info_);
133 ParserAccess::setBuiltin(info_, ParseCommandInfo::BuiltinEXIT);
134 ParserAccess::finalize(info_); cb_(info_); }
136 void builtin_help(std::vector<std::string> & path)
137 { ParserAccess::init(info_);
138 ParserAccess::setBuiltin(info_, ParseCommandInfo::BuiltinHELP);
139 setBuiltinPathArg(path);
140 ParserAccess::finalize(info_); cb_(info_); }
142 void setBuiltinPathArg(std::vector<std::string> & path)
144 ParserAccess::startArgument(info_);
145 for (std::vector<std::string>::const_iterator i (path.begin());
146 i != path.end(); ++i)
147 ParserAccess::addToken(info_, ParserAccess::makeToken(*i));
148 ParserAccess::endArgument(info_);
154 ///////////////////////////////////////////////////////////////////////////
155 // senf::console::ParseCommandInfo
157 struct senf::console::ParseCommandInfo::MakeRange
159 typedef ParseCommandInfo::argument_value_type result_type;
162 MakeRange(ParseCommandInfo::token_iterator b) : b_ (b) {}
164 senf::console::ParseCommandInfo::token_iterator b_;
166 result_type operator()(TempArguments::iterator::value_type const & v) const {
167 return result_type( b_ + v.first, b_ + v.second );
171 prefix_ void senf::console::ParseCommandInfo::finalize()
173 arguments_.resize( tempArguments_.size() );
175 std::copy( boost::make_transform_iterator( tempArguments_.begin(),
176 MakeRange(tokens_.begin()) ),
177 boost::make_transform_iterator( tempArguments_.end(),
179 arguments_.begin() );
181 tempArguments_.clear();
184 prefix_ std::ostream & senf::console::operator<<(std::ostream & stream,
185 ParseCommandInfo const & info)
187 if (info.builtin() == ParseCommandInfo::NoBuiltin)
188 stream << senf::stringJoin(info.commandPath(), "/");
190 char const * builtins[] = { "", "cd", "ls", "pushd", "popd", "exit", "help" };
191 stream << "builtin-" << builtins[info.builtin()];
194 ParseCommandInfo::ArgumentsRange args (info.arguments());
195 for (ParseCommandInfo::argument_iterator i (args.begin()); i != args.end(); ++i) {
196 ParseCommandInfo::token_iterator j (i->begin());
198 if ( j != i->end() ) {
200 stream << "'" << j->value() << "'";
201 if ( ++j != i->end() ) stream << ' ';
211 ///////////////////////////////////////////////////////////////////////////
212 // senf::console::CommandParser
214 struct senf::console::CommandParser::Impl
216 typedef detail::CommandGrammar<detail::ParseDispatcher> Grammar;
218 detail::ParseDispatcher dispatcher;
219 Grammar::Context context;
222 Impl() : dispatcher(), context(), grammar(dispatcher, context) {}
225 prefix_ senf::console::CommandParser::CommandParser()
229 prefix_ senf::console::CommandParser::~CommandParser()
232 prefix_ bool senf::console::CommandParser::parse(std::string command, Callback cb)
234 detail::ParseDispatcher::BindInfo bind (impl().dispatcher, cb);
235 return boost::spirit::parse( command.begin(), command.end(),
236 impl().grammar.use_parser<Impl::Grammar::CommandParser>(),
237 impl().grammar.use_parser<Impl::Grammar::SkipParser>()
241 prefix_ bool senf::console::CommandParser::parseFile(std::string filename, Callback cb)
243 detail::ParseDispatcher::BindInfo bind (impl().dispatcher, cb);
244 boost::spirit::file_iterator<> i (filename);
245 if (!i) throw SystemException(ENOENT SENF_EXC_DEBUGINFO);
246 boost::spirit::file_iterator<> const i_end (i.make_end());
248 return boost::spirit::parse( i, i_end,
249 impl().grammar.use_parser<Impl::Grammar::CommandParser>(),
250 impl().grammar.use_parser<Impl::Grammar::SkipParser>()
254 ///////////////////////////////cc.e////////////////////////////////////////
256 //#include "Parse.mpp"
262 // comment-column: 40
263 // c-file-style: "senf"
264 // indent-tabs-mode: nil
265 // ispell-local-dictionary: "american"
266 // compile-command: "scons -u test"