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

#include <sstream>

#include "cmAlgorithms.h"
#include "cmGeneratorExpression.h"
#include "cmListFileCache.h"
#include "cmMakefile.h"
#include "cmSystemTools.h"
#include "cmTarget.h"
#include "cmake.h"

class cmExecutionStatus;

bool
cmTargetLinkDirectoriesCommand::InitialPass(
    std::vector<std::string> const& args, cmExecutionStatus&)
{
    return this->HandleArguments(args, "LINK_DIRECTORIES", PROCESS_BEFORE);
}

void
cmTargetLinkDirectoriesCommand::HandleMissingTarget(const std::string& name)
{
    std::ostringstream e;
    e << "Cannot specify link directories for target \"" << name
      << "\" which is not built by this project.";
    this->Makefile->IssueMessage(cmake::FATAL_ERROR, e.str());
}

std::string
cmTargetLinkDirectoriesCommand::Join(const std::vector<std::string>& content)
{
    std::vector<std::string> directories;

    for(const auto& dir : content)
    {
        auto unixPath = dir;
        cmSystemTools::ConvertToUnixSlashes(unixPath);
        if(!cmSystemTools::FileIsFullPath(unixPath) &&
           !cmGeneratorExpression::StartsWithGeneratorExpression(unixPath))
        {
            auto tmp = this->Makefile->GetCurrentSourceDirectory();
            tmp += "/";
            tmp += unixPath;
            unixPath = tmp;
        }
        directories.push_back(unixPath);
    }

    return cmJoin(directories, ";");
}

bool
cmTargetLinkDirectoriesCommand::HandleDirectContent(
    cmTarget* tgt, const std::vector<std::string>& content, bool prepend, bool)
{
    cmListFileBacktrace lfbt = this->Makefile->GetBacktrace();

    tgt->InsertLinkDirectory(this->Join(content), lfbt, prepend);

    return true;  // Successfully handled.
}
