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

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

#include "cmSubdirCommand.h"

#include "cmDiagnostics.h"

#include "cmExecutionStatus.h"

#include "cmMakefile.h"

#include "cmStringAlgorithms.h"

#include "cmSystemTools.h"

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

                     cmExecutionStatus& status)

{

  cmMakefile& mf = status.GetMakefile();

  mf.IssueDiagnostic(cmDiagnostics::CMD_DEPRECATED,

                     "The 'subdirs' command has been superseded. "

                     "Use the 'add_subdirectory' command instead.");

  if (args.empty()) {

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

    return false;

  }

  bool res = true;

  bool excludeFromAll = false;

  for (std::string const& i : args) {

    if (i == "EXCLUDE_FROM_ALL") {

      excludeFromAll = true;

      continue;

    }

    if (i == "PREORDER") {

      // Ignored

      continue;

    }

    // if they specified a relative path then compute the full

    std::string srcPath = mf.GetCurrentSourceDirectory() + "/" + i;

    if (cmSystemTools::FileIsDirectory(srcPath)) {

      std::string binPath = mf.GetCurrentBinaryDirectory() + "/" + i;

      mf.AddSubDirectory(srcPath, binPath, excludeFromAll, false, false);

    }

    // otherwise it is a full path

    else if (cmSystemTools::FileIsDirectory(i)) {

      // we must compute the binPath from the srcPath, we just take the last

      // element from the source path and use that

      std::string binPath = mf.GetCurrentBinaryDirectory() + "/" +

        cmSystemTools::GetFilenameName(i);

      mf.AddSubDirectory(i, binPath, excludeFromAll, false, false);

    } else {

      status.SetError(cmStrCat("Incorrect SUBDIRS command. Directory: ", i,

                               " does not exist."));

      res = false;

    }

  }

  return res;

}