/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
   file Copyright.txt or https://cmake.org/licensing for details.  */
#include "cmSubdirCommand.h"

#include "cmMakefile.h"
#include "cmSystemTools.h"

class cmExecutionStatus;

// cmSubdirCommand
bool
cmSubdirCommand::InitialPass(std::vector<std::string> const& args,
                             cmExecutionStatus&)
{
    if(args.empty())
    {
        this->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 =
            this->Makefile->GetCurrentSourceDirectory() + "/" + i;
        if(cmSystemTools::FileIsDirectory(srcPath))
        {
            std::string binPath =
                this->Makefile->GetCurrentBinaryDirectory() + "/" + i;
            this->Makefile->AddSubDirectory(srcPath, binPath, excludeFromAll,
                                            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 = this->Makefile->GetCurrentBinaryDirectory() +
                                  "/" + cmSystemTools::GetFilenameName(i);
            this->Makefile->AddSubDirectory(i, binPath, excludeFromAll, false);
        } else
        {
            std::string error = "Incorrect SUBDIRS command. Directory: ";
            error += i + " does not exist.";
            this->SetError(error);
            res = false;
        }
    }
    return res;
}
