X-Git-Url: http://g0dil.de/git?a=blobdiff_plain;f=senf%2FUtils%2FConsole%2FProgramOptions.cc;fp=senf%2FUtils%2FConsole%2FProgramOptions.cc;h=951c5f0410f2a9188b86ff18dec3877d042fb4e7;hb=601d1f509f5bb24df167a4dd5a20da67a0af9af8;hp=0000000000000000000000000000000000000000;hpb=164fe477094d42463722584e527a02379ab5d985;p=senf.git

diff --git a/senf/Utils/Console/ProgramOptions.cc b/senf/Utils/Console/ProgramOptions.cc
new file mode 100644
index 0000000..951c5f0
--- /dev/null
+++ b/senf/Utils/Console/ProgramOptions.cc
@@ -0,0 +1,216 @@
+// $Id$
+//
+// 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 ProgramOptions non-inline non-template implementation */
+
+#include "ProgramOptions.hh"
+#include "ProgramOptions.ih"
+
+// Custom includes
+#include <boost/algorithm/string/predicate.hpp>
+#include <boost/format.hpp>
+#include "../../Utils/range.hh"
+#include "OverloadedCommand.hh"
+
+//#include "ProgramOptions.mpp"
+#define prefix_
+///////////////////////////////cc.p////////////////////////////////////////
+
+///////////////////////////////////////////////////////////////////////////
+// senf::console::detail::ProgramOptionsSource::NonOptionContainer
+
+prefix_ senf::console::detail::ProgramOptionsSource::NonOptionContainer::~NonOptionContainer()
+{}
+
+///////////////////////////////////////////////////////////////////////////
+// senf::console::detail::ProgramOptionsSource
+
+prefix_ void senf::console::detail::ProgramOptionsSource::v_parse(RestrictedExecutor & executor)
+{
+    if (nonOptions_)
+        nonOptions_->clear();
+    if (argc_ <= 1)
+        return;
+    char const ** argp (argv_+1);
+    int n (argc_-1);
+    for (; n; --n, ++argp) {
+        std::string arg (*argp);
+        if (arg == "--") {
+            for (; n; --n, ++argp)
+                parseNonOption(arg, executor);
+            break;
+        }
+        else if (boost::algorithm::starts_with(arg, std::string("--")) && arg.size() > 2)
+            try {
+                parseLongOption(arg.substr(2), executor);
+            }
+            catch (senf::ExceptionMixin & e) {
+                e << "\nwhile parsing command line option: " << arg;
+                throw;
+            }
+        else if (boost::algorithm::starts_with(arg, std::string("-")) && arg.size() > 1) {
+            for (std::string::size_type i (1); i<arg.size(); ++i) {
+                char opt (arg[i]);
+                ShortOptions::iterator j (shortOptions_.find(opt));
+                if (j == shortOptions_.end())
+                    throw SyntaxErrorException(
+                        (boost::format("invalid short option '%c'") % opt).str());
+                std::string param;
+                if (j->second.withArg) {
+                    if (i >= arg.size()-1) {
+                        if (n > 0) {
+                            param = *(++argp);
+                            --n;
+                        }
+                    }
+                    else 
+                        param = arg.substr(i+1);
+                    i = arg.size();
+                }
+                std::string longOpt (j->second.longOpt);
+                if (! param.empty() ) {
+                    longOpt += "=";
+                    longOpt += param;
+                }
+                if (boost::algorithm::starts_with(longOpt, std::string("--")))
+                    longOpt = longOpt.substr(2);
+                try {
+                    parseLongOption(longOpt, executor);
+                }
+                catch (senf::ExceptionMixin & e) {
+                    e << "\nwhile parsing command line option: -" << opt << ' ' << param;
+                    throw;
+                }
+            }
+        }
+        else
+            parseNonOption(arg, executor);
+    }
+}
+
+prefix_ void
+senf::console::detail::ProgramOptionsSource::parseLongOption(std::string const & arg,
+                                                             RestrictedExecutor & executor)
+{
+    std::string::size_type ix (arg.find('='));
+    std::string name (arg.substr(0,ix));
+    std::string value (ix==std::string::npos ? std::string() : arg.substr(ix+1));
+
+    typedef std::vector<Token> Path;
+
+    ParseCommandInfo cmd;
+    Path path;
+ 
+    DirectoryNode::ptr cwd (executor.root().thisptr());
+    std::string::size_type b (0);
+    while (b < name.size()) {
+        std::string::size_type e (name.size());
+        for (;e != std::string::npos && e > b; e = name.rfind('-', e)) {
+            std::string key (name.substr(b,e-b));
+            if (! cwd->hasChild(key)) {
+                DirectoryNode::ChildrenRange completions (cwd->completions(key));
+                if (has_one_elt(completions))
+                    key = completions.begin()->first;
+                else {
+                    e -= 1;
+                    continue;
+                }
+            }
+            path.push_back(WordToken(key));
+            if (e < name.size())
+                cwd = cwd->getDirectory(key).thisptr();
+            b = e+1;
+            e = b+1;
+            break;
+        }
+        if (e == std::string::npos || e <= b) {
+            // This will produce a correct error message later or will skip the node,
+            // if parsing is restricted to a subtree
+            path.push_back(WordToken(name.substr(b)));
+            b = name.size();
+        }
+    }
+
+    cmd.command(path);
+    // Here we check, whether the command
+    // - is an overloaded/parsed command
+    // - with a single overload
+    // - taking only a single argument
+    // - which consists of a single token
+    // If all these conditions are met, we pass the parameter value as a single WordToken
+    // otherwise we parse it using the config parser
+    try {
+        GenericNode const & node (executor.getNode(cmd));
+        OverloadedCommandNode const * cmdnode (dynamic_cast<OverloadedCommandNode const *>(&node));
+        if (cmdnode && cmdnode->overloads().size() == 1) {
+            CommandOverload const & overload (**cmdnode->overloads().begin());
+            if (overload.numArguments() == 1) {
+                ArgumentDoc argdoc;
+                argdoc.singleToken = false;
+                overload.argumentDoc(0, argdoc);
+                if (argdoc.singleToken) {
+                    cmd.addToken(WordToken(value));
+                    goto execute;
+                }
+            }
+        } /* else */ {
+            parser_.parseArguments(value, cmd);
+        }
+    execute:
+        executor(executor.stream(), cmd);
+    }
+    catch (Executor::IgnoreCommandException &)
+    {}
+}
+
+prefix_ void
+senf::console::detail::ProgramOptionsSource::parseNonOption(std::string const & arg,
+                                                            RestrictedExecutor & executor)
+{
+    if (! nonOptions_)
+        throw SyntaxErrorException("invalid non-option argument");
+    nonOptions_->push_back(arg);
+}
+
+///////////////////////////////////////////////////////////////////////////
+
+prefix_ void senf::console::parseOptions(int argc, char const ** argv, DirectoryNode & root)
+{
+    ProgramOptions opts (argc, argv, root);
+    opts.parse();
+}
+
+///////////////////////////////cc.e////////////////////////////////////////
+#undef prefix_
+//#include "ProgramOptions.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: