Subprocess.cpp

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#include "galaxy/logging/Log.hpp"
 
#include "Subprocess.hpp"
 
namespace galaxy
{
    Subprocess::Subprocess() noexcept
        : m_process {nullptr}
    {
    }
 
    Subprocess::Subprocess(std::string_view process, std::span<std::string> args)
        : m_process {nullptr}
    {
        create(process, args);
    }
 
    Subprocess::~Subprocess() noexcept
    {
        kill();
    }
 
    void Subprocess::create(std::string_view process, std::span<std::string> args)
    {
        const auto sp_to_run = std::filesystem::absolute(process).replace_extension("").string();
 
        std::vector<const char*> cmd_line;
        cmd_line.reserve(args.size() + 2);
 
        cmd_line.push_back(sp_to_run.c_str());
        for (const auto& arg : args)
        {
            cmd_line.push_back(arg.c_str());
        }
        cmd_line.push_back(nullptr);
 
        m_process = SDL_CreateProcess(cmd_line.data(), false);
        if (!m_process)
        {
            GALAXY_LOG(GALAXY_ERROR, "Failed to launch subprocess: {0}.", process);
        }
    }
 
    bool Subprocess::wait(const bool block) noexcept
    {
        if (m_process)
        {
            return SDL_WaitProcess(m_process, block, nullptr);
        }
 
        return false;
    }
 
    void Subprocess::kill() noexcept
    {
        if (m_process)
        {
            SDL_KillProcess(m_process, false);
            SDL_DestroyProcess(m_process);
 
            m_process = nullptr;
        }
    }
 
    SDL_PropertiesID Subprocess::get_properties() const noexcept
    {
        if (m_process)
        {
            return SDL_GetProcessProperties(m_process);
        }
 
        return 0;
    }
} // namespace galaxy