Modified C++ code so you can pass a CLSID to attach to running xlwing…

…s server; updated project to Visual Studio 2015

src/xlwingsdll/config.cpp

@@ -49,7 +49,7 @@ void AddEnvironmentVariables(Config::ValueMap& values)
 		std::string key = keyEqualsValue.substr(0, equalsPos);
 		std::string value = keyEqualsValue.substr(equalsPos + 1, keyEqualsValue.length() - equalsPos - 1);
 
-		std::transform(key.begin(), key.end(), key.begin(), std::toupper);
+		strupper(key);
 
 		values["Environment:" + key] = value;
 
@@ -96,7 +96,10 @@ std::string Config::Preprocess(const std::string& raw)
 
 void Config::SetupAutoConfig(const std::string& commandLine)
 {
-	values["Command"] = Preprocess(commandLine);
+	if (commandLine[0] == '{')
+		values["CLSID"] = commandLine;
+	else
+		values["Command"] = Preprocess(commandLine);
 }
 
 void Config::ParseConfigFile(const std::string& filename)
@@ -328,6 +331,10 @@ void Config::ActivateRPCServer()
 	// if the server's not running, try to start it up
 	if(hr == REGDB_E_CLASSNOTREG)
 	{
+		// check if a command is specified in the config
+		if (!this->HasValue("Command"))
+			throw formatted_exception() << "No command specified in the configuration, cannot autostart server";
+
 		// build the command line with which to start the Python process
 		std::string workingDir = this->HasValue("WorkingDir") ? this->GetValue("WorkingDir") : "<unspecified>";
 		std::string pythonCmd = this->GetValue("Command");

src/xlwingsdll/utils.h

@@ -47,13 +47,15 @@ std::string GetLastErrorMessage();
 
 static inline std::string strlower(std::string& s)
 {
-	std::transform(s.begin(), s.end(), s.begin(), std::tolower);
+	for (size_t k = 0; k < s.length(); k++)
+		s[k] = std::tolower(s[k], std::locale());
 	return s;
 }
 
 static inline std::string strupper(std::string& s)
 {
-	std::transform(s.begin(), s.end(), s.begin(), std::toupper);
+	for (size_t k = 0; k < s.length(); k++)
+		s[k] = std::toupper(s[k], std::locale());
 	return s;
 }
 

src/xlwingsdll/xlwingsdll.vcxproj

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -28,27 +28,27 @@
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v140</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v140</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v140</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v140</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">