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

#include <set>

#include "cmAlgorithms.h"
#include "cmGlobalGenerator.h"
#include "cmMakefile.h"
#include "cmState.h"

class cmExecutionStatus;

// cmGetCMakePropertyCommand
bool
cmGetCMakePropertyCommand::InitialPass(std::vector<std::string> const& args,
                                       cmExecutionStatus&)
{
    if(args.size() < 2)
    {
        this->SetError("called with incorrect number of arguments");
        return false;
    }

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

    if(args[1] == "VARIABLES")
    {
        if(const char* varsProp = this->Makefile->GetProperty("VARIABLES"))
        {
            output = varsProp;
        }
    } else if(args[1] == "MACROS")
    {
        output.clear();
        if(const char* macrosProp = this->Makefile->GetProperty("MACROS"))
        {
            output = macrosProp;
        }
    } else if(args[1] == "COMPONENTS")
    {
        const std::set<std::string>* components =
            this->Makefile->GetGlobalGenerator()->GetInstallComponents();
        output = cmJoin(*components, ";");
    } else
    {
        const char* prop = nullptr;
        if(!args[1].empty())
        {
            prop = this->Makefile->GetState()->GetGlobalProperty(args[1]);
        }
        if(prop)
        {
            output = prop;
        }
    }

    this->Makefile->AddDefinition(variable, output.c_str());

    return true;
}
