/*
  *  MoMEMta: a modular implementation of the Matrix Element Method
  *  Copyright (C) 2017  Universite catholique de Louvain (UCL), Belgium
  *
  *  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 3 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, see <http://www.gnu.org/licenses/>.
  */
 
 #include <ModuleDefUtils.h>
 
 #include <algorithm>
 
 #include <lib/optional.h>
 
 namespace momemta {
 
 bool inputOrAttrExists(const std::string& name, const ModuleDef& def) {
 
     bool exists = false;
 
     // Look first in inputs
     auto it = std::find_if(def.inputs.begin(), def.inputs.end(),
                            [&name](const ArgDef& def) {
                                return def.name == name;
                            });
 
     exists |= it != def.inputs.end();
 
     if (! exists) {
         // Then in attributes
 
         auto it = std::find_if(def.attributes.begin(), def.attributes.end(),
                                [&name](const AttrDef& def) {
                                    return !def.global && def.name == name;
                                });
 
         exists |= it != def.attributes.end();
     }
 
     return exists;
 }
 
 gtl::optional<AttrDef> findAttr(const std::string& name, const ModuleDef& def) {
     auto it = std::find_if(def.attributes.begin(), def.attributes.end(),
         [&name](const AttrDef& def) {
             return !def.global && def.name == name;
         }
     );
 
     if (it == def.attributes.end())
         return gtl::nullopt;
     else
         return *it;
 }
 
 }