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

#include <iterator>

#include "cmMakefile.h"
#include "cmTarget.h"

class cmExecutionStatus;

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

    // first collect up the list of files
    std::vector<std::string>                 propertyPairs;
    int                                      numFiles = 0;
    std::vector<std::string>::const_iterator j;
    for(j = args.begin(); j != args.end(); ++j)
    {
        if(*j == "PROPERTIES")
        {
            // now loop through the rest of the arguments, new style
            ++j;
            if(std::distance(j, args.end()) % 2 != 0)
            {
                this->SetError("called with incorrect number of arguments.");
                return false;
            }
            propertyPairs.insert(propertyPairs.end(), j, args.end());
            break;
        }
        numFiles++;
    }
    if(propertyPairs.empty())
    {
        this->SetError("called with illegal arguments, maybe missing "
                       "a PROPERTIES specifier?");
        return false;
    }

    // now loop over all the targets
    int i;
    for(i = 0; i < numFiles; ++i)
    {
        if(this->Makefile->IsAlias(args[i]))
        {
            this->SetError("can not be used on an ALIAS target.");
            return false;
        }
        bool ret = cmSetTargetPropertiesCommand::SetOneTarget(
            args[i], propertyPairs, this->Makefile);
        if(!ret)
        {
            std::string message = "Can not find target to add properties to: ";
            message += args[i];
            this->SetError(message);
            return false;
        }
    }
    return true;
}

bool
cmSetTargetPropertiesCommand::SetOneTarget(
    const std::string& tname, std::vector<std::string>& propertyPairs,
    cmMakefile* mf)
{
    if(cmTarget* target = mf->FindTargetToUse(tname))
    {
        // now loop through all the props and set them
        unsigned int k;
        for(k = 0; k < propertyPairs.size(); k = k + 2)
        {
            target->SetProperty(propertyPairs[k], propertyPairs[k + 1].c_str());
            target->CheckProperty(propertyPairs[k], mf);
        }
    }
    // if file is not already in the makefile, then add it
    else
    {
        return false;
    }
    return true;
}
