Remove Prolog dependency.

The only thing left to reimplement is the tracking of watched episodes
in MPC-HC.

1 files changed, 14 insertions, 11 deletions

diff --git a/c/win.cpp b/c/win.cpp
index ba42508..43744dd 100644
--- a/c/win.cpp
+++ b/c/win.cpp
@@ -1,13 +1,21 @@
 #include <utility>
 #include <string>
-#include <SWI-Prolog.h>
+#include <string_view>
 #include <windows.h>
 #include <wininet.h>
 
-#include "pl.h"
 #include "util.h"
 #include "win.h"
-#include "wcharptr.h"
+
+std::wstring WideFromNarrow(const std::string_view src, const int cp)
+{
+	int cchNarrow = src.length()+1;
+	int cchWide = MultiByteToWideChar(cp, 0, src.data(), cchNarrow, nullptr, 0);
+	std::wstring dst(cchWide, 0);
+	if (!MultiByteToWideChar(cp, 0, src.data(), cchNarrow, dst.data(), cchWide))
+		throw Win32Error();
+	return dst;
+}
 
 void WithNextWindow(void (*proc)(HWND))
 {
@@ -87,19 +95,14 @@ void ShowException(const wchar_t* const fmt, const wchar_t* const title, const U
 {
 	try {
 		std::rethrow_exception(std::current_exception());
-        } catch (const term_t& t) {
-		WcharPtr what = PlString(t);
-		std::wstring msg(wcslen(fmt)+wcslen(what), 0);
-		Swprintf(msg, fmt, static_cast<wchar_t*>(what));
-		EBMessageBox(msg, title, uType);
 	} catch (const WideException& e) {
 		std::wstring msg(wcslen(fmt)+wcslen(e.What()), 0);
 		Swprintf(msg, fmt, e.What());
 		EBMessageBox(msg, title, uType);
 	} catch (const std::exception& e) {
-		auto what = WcharPtr::FromNarrow(e.what());
-		std::wstring msg(wcslen(fmt)+wcslen(what), 0);
-		Swprintf(msg, fmt, static_cast<wchar_t*>(what));
+		std::wstring what = WideFromNarrow(e.what());
+		std::wstring msg(wcslen(fmt)+what.length(), 0);
+		Swprintf(msg, fmt, what.c_str());
 		EBMessageBox(msg, title, uType);
 	} catch (...) {
 		const wchar_t* what = L"an unknown error occurred";