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 */
30 #include "../Utils/String.hh"
31 #include <boost/iterator/transform_iterator.hpp>
33 //#include "Parse.mpp"
35 ///////////////////////////////cc.p////////////////////////////////////////
43 static void init(ParseCommandInfo & info)
46 static void setBuiltin(ParseCommandInfo & info, ParseCommandInfo::BuiltinCommand builtin)
47 { info.setBuiltin(builtin); }
49 static void setCommand(ParseCommandInfo & info, std::vector<std::string> & commandPath)
50 { info.setCommand(commandPath); }
52 static void startArgument(ParseCommandInfo & info)
53 { info.startArgument(); }
55 static void endArgument(ParseCommandInfo & info)
56 { info.endArgument(); }
58 static void addToken(ParseCommandInfo & info, ArgumentToken const & token)
59 { info.addToken(token); }
61 static void finalize(ParseCommandInfo & info)
64 static ArgumentToken makeToken(std::string const & token)
65 { return ArgumentToken(token); }
68 struct ParseDispatcher
70 ParseCommandInfo info_;
71 CommandParser::Callback cb_;
74 BindInfo( ParseDispatcher & d, CommandParser::Callback cb)
75 : dispatcher (d) { dispatcher.cb_ = cb; }
76 ~BindInfo() { dispatcher.cb_ = 0; }
78 ParseDispatcher & dispatcher;
81 void beginCommand(std::vector<std::string> & command)
82 { ParserAccess::init(info_);
83 ParserAccess::setCommand(info_, command); }
86 { ParserAccess::finalize(info_); cb_(info_); }
88 void pushArgument(std::string const & argument)
89 { ParserAccess::startArgument(info_);
90 ParserAccess::addToken(info_, ParserAccess::makeToken(argument));
91 ParserAccess::endArgument(info_); }
94 { ParserAccess::startArgument(info_); }
97 { ParserAccess::endArgument(info_); }
99 void pushPunctuation(std::string const & token)
100 { ParserAccess::addToken(info_, ParserAccess::makeToken(token)); }
102 void pushWord(std::string const & token)
103 { ParserAccess::addToken(info_, ParserAccess::makeToken(token)); }
105 void builtin_cd(std::vector<std::string> & path)
106 { ParserAccess::init(info_);
107 ParserAccess::setBuiltin(info_, ParseCommandInfo::BuiltinCD);
108 setBuiltinPathArg(path);
109 ParserAccess::finalize(info_); cb_(info_); }
111 void builtin_ls(std::vector<std::string> & path)
112 { ParserAccess::init(info_);
113 ParserAccess::setBuiltin(info_, ParseCommandInfo::BuiltinLS);
114 setBuiltinPathArg(path);
115 ParserAccess::finalize(info_); cb_(info_); }
117 void pushDirectory(std::vector<std::string> & path)
118 { ParserAccess::init(info_);
119 ParserAccess::setBuiltin(info_, ParseCommandInfo::BuiltinPUSHD);
120 setBuiltinPathArg(path);
121 ParserAccess::finalize(info_); cb_(info_); }
124 { ParserAccess::init(info_);
125 ParserAccess::setBuiltin(info_, ParseCommandInfo::BuiltinPOPD);
126 ParserAccess::finalize(info_); cb_(info_); }
129 { ParserAccess::init(info_);
130 ParserAccess::setBuiltin(info_, ParseCommandInfo::BuiltinEXIT);
131 ParserAccess::finalize(info_); cb_(info_); }
133 void setBuiltinPathArg(std::vector<std::string> & path)
135 ParserAccess::startArgument(info_);
136 for (std::vector<std::string>::const_iterator i (path.begin());
137 i != path.end(); ++i)
138 ParserAccess::addToken(info_, ParserAccess::makeToken(*i));
139 ParserAccess::endArgument(info_);
145 ///////////////////////////////////////////////////////////////////////////
146 // senf::console::ParseCommandInfo
148 struct senf::console::ParseCommandInfo::MakeRange
150 typedef ParseCommandInfo::argument_value_type result_type;
153 MakeRange(ParseCommandInfo::token_iterator b) : b_ (b) {}
155 senf::console::ParseCommandInfo::token_iterator b_;
157 result_type operator()(TempArguments::iterator::value_type const & v) const {
158 return result_type( b_ + v.first, b_ + v.second );
162 prefix_ void senf::console::ParseCommandInfo::finalize()
164 arguments_.resize( tempArguments_.size() );
166 std::copy( boost::make_transform_iterator( tempArguments_.begin(),
167 MakeRange(tokens_.begin()) ),
168 boost::make_transform_iterator( tempArguments_.end(),
170 arguments_.begin() );
172 tempArguments_.clear();
175 prefix_ std::ostream & senf::console::operator<<(std::ostream & stream,
176 ParseCommandInfo const & info)
178 if (info.builtin() == ParseCommandInfo::NoBuiltin)
179 stream << senf::stringJoin(info.commandPath(), "/");
181 char const * builtins[] = { "", "cd", "ls", "pushd", "popd", "exit" };
182 stream << "builtin-" << builtins[info.builtin()];
185 ParseCommandInfo::ArgumentsRange args (info.arguments());
186 for (ParseCommandInfo::argument_iterator i (args.begin()); i != args.end(); ++i) {
187 ParseCommandInfo::token_iterator j (i->begin());
189 if ( j != i->end() ) {
191 stream << "'" << j->value() << "'";
192 if ( ++j != i->end() ) stream << ' ';
202 ///////////////////////////////////////////////////////////////////////////
203 // senf::console::CommandParser
205 struct senf::console::CommandParser::Impl
207 typedef detail::CommandGrammar<detail::ParseDispatcher> Grammar;
209 detail::ParseDispatcher dispatcher;
210 Grammar::Context context;
213 Impl() : dispatcher(), context(), grammar(dispatcher, context) {}
216 prefix_ senf::console::CommandParser::CommandParser()
220 prefix_ senf::console::CommandParser::~CommandParser()
223 prefix_ bool senf::console::CommandParser::parse(std::string command, Callback cb)
225 detail::ParseDispatcher::BindInfo bind (impl().dispatcher, cb);
226 # warning don't use c_str() in parse and add istream parser. Implement error checking in parser.
227 return boost::spirit::parse( command.c_str(),
228 impl().grammar.use_parser<Impl::Grammar::CommandParser>(),
229 impl().grammar.use_parser<Impl::Grammar::SkipParser>()
233 ///////////////////////////////cc.e////////////////////////////////////////
235 //#include "Parse.mpp"
241 // comment-column: 40
242 // c-file-style: "senf"
243 // indent-tabs-mode: nil
244 // ispell-local-dictionary: "american"
245 // compile-command: "scons -u test"