/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying

   file LICENSE.rst or https://cmake.org/licensing for details.  */

#include "cmSubcommandTable.h"

#include <algorithm>

#include "cmExecutionStatus.h"

#include "cmStringAlgorithms.h"

cmSubcommandTable::cmSubcommandTable(std::initializer_list<InitElem> init)

  : Impl(init.begin(), init.end())

{

  std::sort(this->Impl.begin(), this->Impl.end(),

            [](Elem const& left, Elem const& right) {

              return left.first < right.first;

            });

}

bool cmSubcommandTable::operator()(cm::string_view key,

                                   std::vector<std::string> const& args,

                                   cmExecutionStatus& status) const

{

  auto const it = std::lower_bound(

    this->Impl.begin(), this->Impl.end(), key,

    [](Elem const& elem, cm::string_view k) { return elem.first < k; });

  if (it != this->Impl.end() && it->first == key) {

    return it->second(args, status);

  }

  status.SetError(cmStrCat("does not recognize sub-command ", key));

  return false;

}