Create a shared dictionary class for plugin and engine

src/plugin/PluginUtil.cpp

Index: src/plugin/PluginUtil.cpp
===================================================================
--- a/src/plugin/PluginUtil.cpp
+++ b/src/plugin/PluginUtil.cpp
@@ -1,13 +1,14 @@
 #include "PluginStdAfx.h"
 #include <algorithm>
 #include <stdexcept>
 #include <vector>
 
+#include "../shared/Utils.h"
 #include "PluginUtil.h"
 #include "PluginSettings.h"
 
 BString::BString(const std::wstring& value)
     : value(::SysAllocString(value.c_str()))
 {
 }
 
@@ -16,49 +17,19 @@ BString::~BString()
   ::SysFreeString(value);
 }
 
 BString::operator BSTR()
 {
   return value;
 }
 
-std::wstring DllDir()
-{
-  std::vector<WCHAR> path(MAX_PATH);
-  DWORD length = GetModuleFileNameW((HINSTANCE)&__ImageBase, &path[0], path.size());
-
-  while (length == path.size())
-  {
-    // Buffer too small, double buffer size
-    path.resize(path.size() * 2);
-    length = GetModuleFileNameW((HINSTANCE)&__ImageBase, &path[0], path.size());
-  }
-
-  try
-  {
-    if (length == 0)
-      throw std::runtime_error("Failed determining module path");
-
-    std::vector<WCHAR>::reverse_iterator it = std::find(path.rbegin(), path.rend(), L'\\');
-    if (it == path.rend())
-      throw std::runtime_error("Unexpected plugin path, no backslash found");
-
-    return std::wstring(path.begin(), it.base());
-  }
-  catch (const std::exception& e)
-  {
-    DEBUG_GENERAL(e.what());
-    return std::wstring();
-  }
-}
-
 std::wstring UserSettingsFileUrl()
 {
-  return FileUrl(DllDir() + L"html\\templates\\index.html");
+  return FileUrl(GetDllDir() + L"html\\templates\\index.html");
 }
 
 std::wstring FileUrl(const std::wstring& path)
 {
   std::wstring url = path;
   std::replace(url.begin(), url.end(), L'\\', L'/');
   return L"file:///" + url;
 }