Repo created

libs/editor/config_loader.cpp

@@ -0,0 +1,81 @@
+#include "editor/config_loader.hpp"
+#include "editor/editor_config.hpp"
+
+#include "platform/platform.hpp"
+
+#include "coding/internal/file_data.hpp"
+#include "coding/reader.hpp"
+
+#include <stdexcept>
+
+#include <pugixml.hpp>
+
+namespace editor
+{
+using std::string;
+
+namespace
+{
+
+constexpr char kConfigFileName[] = "editor.config";
+
+}  // namespace
+
+void Waiter::Interrupt()
+{
+  {
+    std::lock_guard lock(m_mutex);
+    m_interrupted = true;
+  }
+
+  m_event.notify_all();
+}
+
+ConfigLoader::ConfigLoader(base::AtomicSharedPtr<EditorConfig> & config) : m_config(config)
+{
+  pugi::xml_document doc;
+  LoadFromLocal(doc);
+  ResetConfig(doc);
+}
+
+ConfigLoader::~ConfigLoader()
+{
+  m_waiter.Interrupt();
+}
+
+void ConfigLoader::ResetConfig(pugi::xml_document const & doc)
+{
+  auto config = std::make_shared<EditorConfig>();
+  config->SetConfig(doc);
+  m_config.Set(config);
+}
+
+// static
+void ConfigLoader::LoadFromLocal(pugi::xml_document & doc)
+{
+  string content;
+  std::unique_ptr<ModelReader> reader;
+
+  try
+  {
+    // Get config file from WritableDir first.
+    reader = GetPlatform().GetReader(kConfigFileName, "wr");
+  }
+  catch (RootException const & ex)
+  {
+    LOG(LERROR, (ex.Msg()));
+    return;
+  }
+
+  if (reader)
+    reader->ReadAsString(content);
+
+  auto const result = doc.load_buffer(content.data(), content.size());
+  if (!result)
+  {
+    LOG(LERROR, (kConfigFileName, "can not be loaded:", result.description(), "error offset:", result.offset));
+    doc.reset();
+  }
+}
+
+}  // namespace editor