#define prefix_
///////////////////////////////cc.p////////////////////////////////////////
+namespace {
+
+ struct TraverseTokens {
+ typedef std::string const & result_type;
+ result_type operator()(senf::console::ArgumentToken const & token) const {
+ return token.value();
+ }
+ };
+
+}
+
///////////////////////////////////////////////////////////////////////////
// senf::console::Executor
prefix_ bool senf::console::Executor::operator()(ParseCommandInfo const & command,
std::ostream & output)
{
-# warning Implement Executor::operator()
- SENF_LOG(( "Executing '" << command.commandPath() << "'" ));
+ SENF_LOG(( "Executing: " << command ));
+
+ ///\fixme Whenever checking cwd_.expired(), we also need to check, wether
+ /// the node is still connected to the root.
+ if (cwd_.expired())
+ cwd_ = root().thisptr();
+
+ try {
+ switch(command.builtin()) {
+ case ParseCommandInfo::NoBuiltin :
+ traverseToCommand(command.commandPath())(output, command.arguments());
+ break;
+
+ case ParseCommandInfo::BuiltinCD :
+ if ( command.arguments() ) {
+ if (command.arguments().begin()->size() == 1
+ && command.arguments().begin()->begin()->value() == "-") {
+ if (oldCwd_.expired()) {
+ oldCwd_ = cwd_;
+ cwd_ = root().thisptr();
+ } else
+ swap(cwd_, oldCwd_);
+ }
+ else {
+ oldCwd_ = cwd_;
+ cwd_ = traverseTo(command.arguments().begin()[0]).thisptr();
+ }
+ }
+ break;
+
+ case ParseCommandInfo::BuiltinLS : {
+ DirectoryNode const & dir (
+ command.arguments().empty() ? cwd() : traverseTo(command.arguments().begin()[0]));
+ for (DirectoryNode::child_iterator i (dir.children().begin());
+ i != dir.children().end(); ++i) {
+ output << i->first;
+ if (boost::dynamic_pointer_cast<DirectoryNode>(i->second))
+ output << "/";
+ output << "\n";
+ }
+ break;
+ }
+
+ case ParseCommandInfo::BuiltinPUSHD :
+ dirstack_.push_back(cwd_);
+ if ( command.arguments() )
+ cwd_ = traverseTo(command.arguments().begin()[0]).thisptr();
+ break;
+
+ case ParseCommandInfo::BuiltinPOPD :
+ if (! dirstack_.empty()) {
+ cwd_ = dirstack_.back();
+ dirstack_.pop_back();
+ }
+ break;
+
+ case ParseCommandInfo::BuiltinEXIT :
+ throw ExitException();
+ }
+ }
+ catch (InvalidDirectoryException &) {
+ output << "invalid directory" << std::endl;
+ }
+ catch (InvalidCommandException &) {
+ output << "invalid command" << std::endl;
+ }
return true;
}
+prefix_ senf::console::DirectoryNode &
+senf::console::Executor::traverseTo (ParseCommandInfo::argument_value_type const & path)
+{
+ try {
+ return dynamic_cast<DirectoryNode&>(
+ cwd().traverse(
+ boost::make_iterator_range(
+ boost::make_transform_iterator(path.begin(), TraverseTokens()),
+ boost::make_transform_iterator(path.end(), TraverseTokens()))));
+ }
+ catch (std::bad_cast &) {
+ throw InvalidDirectoryException();
+ }
+ catch (UnknownNodeNameException &) {
+ throw InvalidDirectoryException();
+ }
+}
+
+prefix_ senf::console::CommandNode &
+senf::console::Executor::traverseToCommand(ParseCommandInfo::CommandPathRange const & path)
+{
+ try {
+ return dynamic_cast<CommandNode &>( cwd().traverse(path) );
+ }
+ catch (std::bad_cast &) {
+ throw InvalidCommandException();
+ }
+ catch (UnknownNodeNameException &) {
+ throw InvalidCommandException();
+ }
+}
+
///////////////////////////////cc.e////////////////////////////////////////
#undef prefix_
//#include "Executor.mpp"