sdl_resource_manager.cpp

 
#include "sdl_resource_manager.hpp"
#include <iostream>
#if __has_include(<filesystem>)
#include <filesystem>
namespace fs = std::filesystem;
#elif __has_include(<experimental/filesystem>)
#include <experimental/filesystem>
namespace fs = std::experimental::filesystem;
#else
#error Could not find system header "<filesystem>" or "<experimental/filesystem>"
#endif
 
std::string SDLResourceManager::typeFonts()
{
  return "fonts";
}
 
std::string SDLResourceManager::typeImages()
{
  return "images";
}
 
void SDLResourceManager::insert(const std::string& type, const std::string& id,
                                const std::vector<unsigned char>& data)
{
  std::string uuid = type + "/" + id;
  resources().emplace(uuid, data);
}
 
bool SDLResourceManager::useCompiledResources()
{
#if defined(SDL_USE_COMPILED_RESOURCES)
  return true;
#else
  return false;
#endif
}
 
const std::vector<unsigned char>* SDLResourceManager::data(const std::string& type,
                                                           const std::string& id)
{
#if defined(SDL_USE_COMPILED_RESOURCES)
  std::string uuid = type + "/" + id;
  auto val = resources().find(uuid);
  if (val == resources().end())
    return nullptr;
 
  return &val->second;
#else
  return nullptr;
#endif
}
 
std::string SDLResourceManager::filename([[maybe_unused]] const std::string& type,
                                         [[maybe_unused]] const std::string& id)
{
#if defined(SDL_RESOURCE_ROOT)
  std::string uuid = type + "/" + id;
  fs::path path(SDL_RESOURCE_ROOT);
  path /= type;
  path /= id;
 
  if (!fs::exists(path))
  {
    std::cerr << "sdl-freerdp expects resource '" << uuid << "' at location "
              << fs::absolute(path) << std::endl;
    std::cerr << "file not found, application will fail" << std::endl;
    return "";
  }
  return path.u8string();
#else
  return "";
#endif
}
 
std::map<std::string, std::vector<unsigned char>>& SDLResourceManager::resources()
{
 
  static std::map<std::string, std::vector<unsigned char>> resources = {};
#if defined(SDL_USE_COMPILED_RESOURCES)
  if (resources.empty())
    init();
#endif
  return resources;
}