X-Git-Url: http://g0dil.de/git?a=blobdiff_plain;f=senf%2FUtils%2FConsole%2FConfig.cc;fp=senf%2FUtils%2FConsole%2FConfig.cc;h=f844f8a0ec04181d37104a4648d2180cacb664c8;hb=601d1f509f5bb24df167a4dd5a20da67a0af9af8;hp=0000000000000000000000000000000000000000;hpb=164fe477094d42463722584e527a02379ab5d985;p=senf.git

diff --git a/senf/Utils/Console/Config.cc b/senf/Utils/Console/Config.cc
new file mode 100644
index 0000000..f844f8a
--- /dev/null
+++ b/senf/Utils/Console/Config.cc
@@ -0,0 +1,180 @@
+// $Id$
+//
+// Copyright (C) 2008 
+// Fraunhofer Institute for Open Communication Systems (FOKUS)
+// Competence Center NETwork research (NET), St. Augustin, GERMANY
+//     Stefan Bund <g0dil@berlios.de>
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the
+// Free Software Foundation, Inc.,
+// 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+/** \file
+    \brief Config non-inline non-template implementation */
+
+#include "Config.hh"
+#include "Config.ih"
+
+// Custom includes
+#include "../../Utils/membind.hh"
+
+//#include "Config.mpp"
+#define prefix_
+///////////////////////////////cc.p////////////////////////////////////////
+
+///////////////////////////////////////////////////////////////////////////
+// senf::console::detail::RestrictedExecutor
+
+prefix_ senf::console::detail::RestrictedExecutor::RestrictedExecutor(DirectoryNode & root)
+{
+    executor_
+        .chroot(root)
+        .policy(senf::membind(&RestrictedExecutor::policyCallback, this));
+}
+
+prefix_ void
+senf::console::detail::RestrictedExecutor::execute(std::ostream & output,
+                                                   ParseCommandInfo const & command)
+{
+    executor_.execute(output, command);
+}
+
+prefix_ void
+senf::console::detail::RestrictedExecutor::operator()(std::ostream & output,
+                                                      ParseCommandInfo const & command)
+{
+    execute(output, command);
+}
+
+prefix_ senf::console::GenericNode &
+senf::console::detail::RestrictedExecutor::getNode(ParseCommandInfo const & command)
+{
+    return executor_.getNode(command);
+}
+
+prefix_ bool senf::console::detail::RestrictedExecutor::parsed(GenericNode & node)
+    const
+{
+    ParsedNodes::const_iterator i (parsedNodes_.begin());
+    ParsedNodes::const_iterator const i_end (parsedNodes_.end());
+    for (; i != i_end; ++i)
+        if ( ! i->expired() && node.isChildOf(*(i->lock())) )
+            return true;
+    return false;
+}
+
+prefix_ void senf::console::detail::RestrictedExecutor::policyCallback(DirectoryNode & dir,
+                                                                       std::string const & name)
+{
+    if (dir.hasChild(name)) {
+        GenericNode & item (dir.get(name));
+        if (restrict_ && ! item.isChildOf(*restrict_) && ! item.isDirectory())
+            throw Executor::IgnoreCommandException();
+        if (parsed(item))
+            throw Executor::IgnoreCommandException();
+    }
+    else if (restrict_ && ! dir.isChildOf(*restrict_))
+        throw Executor::IgnoreCommandException();
+}
+
+namespace {
+    struct RemoveNodesFn
+    {
+        RemoveNodesFn(senf::console::DirectoryNode::ptr newNode) : newNode_ (newNode) {}
+
+        bool operator()(senf::console::DirectoryNode::weak_ptr node) const
+            { return node.expired() || node.lock()->isChildOf(*newNode_); }
+
+        senf::console::DirectoryNode::ptr newNode_;
+    };
+}
+
+prefix_ void
+senf::console::detail::RestrictedExecutor::insertParsedNode(DirectoryNode & node)
+{
+    parsedNodes_.erase(
+        std::remove_if(parsedNodes_.begin(), parsedNodes_.end(), RemoveNodesFn(node.thisptr())),
+        parsedNodes_.end());
+    parsedNodes_.push_back(node.thisptr());
+}
+
+///////////////////////////////////////////////////////////////////////////
+// senf::console::ConfigBundle
+
+prefix_ void senf::console::ConfigBundle::parse()
+{
+    detail::RestrictedExecutor::RestrictGuard guard (executor_);
+    parseInternal();
+}
+
+prefix_ void senf::console::ConfigBundle::parse(DirectoryNode & restrict)
+{
+    detail::RestrictedExecutor::RestrictGuard guard (executor_, restrict);
+    parseInternal();
+}
+
+prefix_ void senf::console::ConfigBundle::parseInternal()
+{
+    // It is valid to add additional sources at the end while parsing ...
+    for (Sources::const_iterator i (sources_.begin()); i != sources_.end(); ++i)
+        (*i)->parse(executor_);
+}
+
+///////////////////////////////////////////////////////////////////////////
+// senf::console::detail::RestrictedExecutor::RestrictGuard
+
+prefix_ senf::console::detail::RestrictedExecutor::RestrictGuard::
+RestrictGuard(RestrictedExecutor & executor)
+    : executor_ (executor)
+{
+    // This MUST BE root() not chroot() since restriction does NOT follow symlinks.
+    // Therefore, if chroot() is a directory of symlinks, restricting to it will
+    // execute NOTHING.
+    executor_.restrict_ = senf::console::root().thisptr();
+}
+
+prefix_ senf::console::detail::RestrictedExecutor::RestrictGuard::
+RestrictGuard(RestrictedExecutor & executor, DirectoryNode & restrict)
+    : executor_ (executor)
+{
+    executor_.restrict_ = restrict.thisptr();
+}
+
+prefix_ senf::console::detail::RestrictedExecutor::RestrictGuard::~RestrictGuard()
+{
+    if (! std::uncaught_exception())
+        executor_.insertParsedNode( *executor_.restrict_ );
+    executor_.restrict_ = senf::console::root().thisptr();
+}
+
+///////////////////////////////////////////////////////////////////////////
+// senf::console::detail::ConfigSource
+
+prefix_ senf::console::detail::ConfigSource::~ConfigSource()
+{}
+
+///////////////////////////////cc.e////////////////////////////////////////
+#undef prefix_
+//#include "Config.mpp"
+
+
+// Local Variables:
+// mode: c++
+// fill-column: 100
+// comment-column: 40
+// c-file-style: "senf"
+// indent-tabs-mode: nil
+// ispell-local-dictionary: "american"
+// compile-command: "scons -u test"
+// End: