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

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

#include "cmGetCMakePropertyCommand.h"

#include <set>

#include "cmExecutionStatus.h"

#include "cmGlobalGenerator.h"

#include "cmList.h"

#include "cmMakefile.h"

#include "cmPolicies.h"

#include "cmState.h"

#include "cmValue.h"

// cmGetCMakePropertyCommand

bool cmGetCMakePropertyCommand(std::vector<std::string> const& args,

                               cmExecutionStatus& status)

{

  if (args.size() < 2) {

    status.SetError("called with incorrect number of arguments");

    return false;

  }

  std::string const& variable = args[0];

  std::string output = "NOTFOUND";

  if (args[1] == "VARIABLES") {

    if (cmValue varsProp = status.GetMakefile().GetProperty("VARIABLES")) {

      output = *varsProp;

    }

  } else if (args[1] == "MACROS" &&

             status.GetMakefile().GetPolicyStatus(cmPolicies::CMP0217) !=

               cmPolicies::NEW) {

    output.clear();

    if (cmValue macrosProp = status.GetMakefile().GetProperty("MACROS")) {

      output = *macrosProp;

    }

  } else if (args[1] == "COMPONENTS") {

    std::set<std::string> const* components =

      status.GetMakefile().GetGlobalGenerator()->GetInstallComponents();

    output = cmList::to_string(*components);

  } else {

    cmValue prop = nullptr;

    if (!args[1].empty()) {

      prop = status.GetMakefile().GetState()->GetGlobalProperty(args[1]);

    }

    if (prop) {

      output = *prop;

    }

  }

  status.GetMakefile().AddDefinition(variable, output);

  return true;

}