Source/cmSubcommandTable.cxx

   1 /* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
   2    file Copyright.txt or https://cmake.org/licensing for details.  */
   3 #include "cmSubcommandTable.h"
   4
   5 #include <algorithm>
   6
   7 #include "cmExecutionStatus.h"
   8 #include "cmStringAlgorithms.h"
   9
  10 cmSubcommandTable::cmSubcommandTable(std::initializer_list<InitElem> init)
  11   : Impl(init.begin(), init.end())
  12 {
  13   std::sort(this->Impl.begin(), this->Impl.end(),
  14             [](Elem const& left, Elem const& right) {
  15               return left.first < right.first;
  16             });
  17 }
  18
  19 bool cmSubcommandTable::operator()(cm::string_view key,
  20                                    std::vector<std::string> const& args,
  21                                    cmExecutionStatus& status) const
  22 {
  23   auto const it = std::lower_bound(
  24     this->Impl.begin(), this->Impl.end(), key,
  25     [](Elem const& elem, cm::string_view k) { return elem.first < k; });
  26   if (it != this->Impl.end() && it->first == key) {
  27     return it->second(args, status);
  28   }
  29   status.SetError(cmStrCat("does not recognize sub-command ", key));
  30   return false;
  31 }