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 setBuiltinPathArg(std::vector<std::string> & path)
138 ParserAccess::startArgument(info_);
139 for (std::vector<std::string>::const_iterator i (path.begin());
140 i != path.end(); ++i)
141 ParserAccess::addToken(info_, ParserAccess::makeToken(*i));
142 ParserAccess::endArgument(info_);
148 ///////////////////////////////////////////////////////////////////////////
149 // senf::console::ParseCommandInfo
151 struct senf::console::ParseCommandInfo::MakeRange
153 typedef ParseCommandInfo::argument_value_type result_type;
156 MakeRange(ParseCommandInfo::token_iterator b) : b_ (b) {}
158 senf::console::ParseCommandInfo::token_iterator b_;
160 result_type operator()(TempArguments::iterator::value_type const & v) const {
161 return result_type( b_ + v.first, b_ + v.second );
165 prefix_ void senf::console::ParseCommandInfo::finalize()
167 arguments_.resize( tempArguments_.size() );
169 std::copy( boost::make_transform_iterator( tempArguments_.begin(),
170 MakeRange(tokens_.begin()) ),
171 boost::make_transform_iterator( tempArguments_.end(),
173 arguments_.begin() );
175 tempArguments_.clear();
178 prefix_ std::ostream & senf::console::operator<<(std::ostream & stream,
179 ParseCommandInfo const & info)
181 if (info.builtin() == ParseCommandInfo::NoBuiltin)
182 stream << senf::stringJoin(info.commandPath(), "/");
184 char const * builtins[] = { "", "cd", "ls", "pushd", "popd", "exit" };
185 stream << "builtin-" << builtins[info.builtin()];
188 ParseCommandInfo::ArgumentsRange args (info.arguments());
189 for (ParseCommandInfo::argument_iterator i (args.begin()); i != args.end(); ++i) {
190 ParseCommandInfo::token_iterator j (i->begin());
192 if ( j != i->end() ) {
194 stream << "'" << j->value() << "'";
195 if ( ++j != i->end() ) stream << ' ';
205 ///////////////////////////////////////////////////////////////////////////
206 // senf::console::CommandParser
208 struct senf::console::CommandParser::Impl
210 typedef detail::CommandGrammar<detail::ParseDispatcher> Grammar;
212 detail::ParseDispatcher dispatcher;
213 Grammar::Context context;
216 Impl() : dispatcher(), context(), grammar(dispatcher, context) {}
219 prefix_ senf::console::CommandParser::CommandParser()
223 prefix_ senf::console::CommandParser::~CommandParser()
226 prefix_ bool senf::console::CommandParser::parse(std::string command, Callback cb)
228 detail::ParseDispatcher::BindInfo bind (impl().dispatcher, cb);
229 return boost::spirit::parse( command.begin(), command.end(),
230 impl().grammar.use_parser<Impl::Grammar::CommandParser>(),
231 impl().grammar.use_parser<Impl::Grammar::SkipParser>()
235 prefix_ bool senf::console::CommandParser::parseFile(std::string filename, Callback cb)
237 detail::ParseDispatcher::BindInfo bind (impl().dispatcher, cb);
238 boost::spirit::file_iterator<> i (filename);
239 if (!i) throw SystemException(ENOENT SENF_EXC_DEBUGINFO);
240 boost::spirit::file_iterator<> const i_end (i.make_end());
242 return boost::spirit::parse( i, i_end,
243 impl().grammar.use_parser<Impl::Grammar::CommandParser>(),
244 impl().grammar.use_parser<Impl::Grammar::SkipParser>()
248 ///////////////////////////////cc.e////////////////////////////////////////
250 //#include "Parse.mpp"
256 // comment-column: 40
257 // c-file-style: "senf"
258 // indent-tabs-mode: nil
259 // ispell-local-dictionary: "american"
260 // compile-command: "scons -u test"