first group of tests for editor

3 files changed, 116 insertions, 0 deletions

diff --git a/editor/editor.pro b/editor/editor.pro
index 79be0528bc..40cc940436 100644
--- a/editor/editor.pro
+++ b/editor/editor.pro
@@ -19,6 +19,7 @@ SOURCES += \
   ui2oh.cpp \
   user_stats.cpp \
   xml_feature.cpp \
+  editor_storage.cpp
 
 HEADERS += \
   changeset_wrapper.hpp \
@@ -32,3 +33,4 @@ HEADERS += \
   user_stats.hpp \
   xml_feature.hpp \
   yes_no_unknown.hpp \
+  editor_storage.hpp
diff --git a/editor/editor_storage.cpp b/editor/editor_storage.cpp
new file mode 100644
index 0000000000..96dc771b32
--- /dev/null
+++ b/editor/editor_storage.cpp
@@ -0,0 +1,71 @@
+#include "editor/editor_storage.hpp"
+
+#include "platform/platform.hpp"
+
+#include "coding/internal/file_data.hpp"
+
+#include "base/logging.hpp"
+
+#include "std/string.hpp"
+
+#include "3party/pugixml/src/pugixml.hpp"
+
+using namespace pugi;
+
+namespace
+{
+constexpr char const * kEditorXMLFileName = "edits.xml";
+string GetEditorFilePath() { return GetPlatform().WritablePathForFile(kEditorXMLFileName); }
+}  // namespace
+
+namespace editor
+{
+bool StorageLocal::Save(xml_document const & doc)
+{
+  auto const editorFilePath = GetEditorFilePath();
+  return my::WriteToTempAndRenameToFile(editorFilePath, [&doc](string const & fileName) {
+    return doc.save_file(fileName.data(), "  ");
+  });
+}
+
+bool StorageLocal::Load(xml_document & doc)
+{
+  auto const editorFilePath = GetEditorFilePath();
+  auto const result = doc.load_file(editorFilePath.c_str());
+  // Note: status_file_not_found is ok if user has never made any edits.
+  if (result != status_ok && result != status_file_not_found)
+  {
+    LOG(LERROR, ("Can't load map edits from disk:", editorFilePath));
+    return false;
+  }
+
+  return true;
+}
+
+void StorageLocal::Reset()
+{
+  my::DeleteFileX(GetEditorFilePath());
+}
+
+
+StorageMemory::StorageMemory()
+  : m_doc(make_unique <xml_document> ())
+{}
+
+bool StorageMemory::Save(xml_document const & doc)
+{
+  m_doc->reset(doc);
+  return true;
+}
+
+bool StorageMemory::Load(xml_document & doc)
+{
+  doc.reset(*m_doc);
+  return true;
+}
+
+void StorageMemory::Reset()
+{
+  m_doc->reset();
+}
+}  // namespace editor
diff --git a/editor/editor_storage.hpp b/editor/editor_storage.hpp
new file mode 100644
index 0000000000..d712b6b53c
--- /dev/null
+++ b/editor/editor_storage.hpp
@@ -0,0 +1,43 @@
+#pragma once
+
+#include "std/unique_ptr.hpp"
+
+namespace pugi
+{
+class xml_document;
+}
+
+namespace editor
+{
+// Editor storage interface.
+class StorageBase
+{
+public:
+  virtual ~StorageBase() {}
+  virtual bool Save(pugi::xml_document const & doc) = 0;
+  virtual bool Load(pugi::xml_document & doc) = 0;
+  virtual void Reset() = 0;
+};
+
+// Class which save/load edits to/from local file.
+class StorageLocal : public StorageBase
+{
+public:
+  bool Save(pugi::xml_document const & doc) override;
+  bool Load(pugi::xml_document & doc) override;
+  void Reset() override;
+};
+
+// Class which save/load edits to/from xml_document class instance.
+class StorageMemory : public StorageBase
+{
+public:
+  StorageMemory();
+  bool Save(pugi::xml_document const & doc) override;
+  bool Load(pugi::xml_document & doc) override;
+  void Reset() override;
+
+private:
+  unique_ptr<pugi::xml_document> m_doc;
+};
+}