misc

tools/utils.cpp

@@ -0,0 +1,55 @@
+#include "utils.h"
+
+#include <windows.h>
+
+std::wstring from_utf8(const std::string_view &string) {
+  // No conversion needed if the string is empty
+  if (string.empty()) {
+    return {};
+  }
+
+  // Get the output size required to store the string
+  auto output_size = MultiByteToWideChar(CP_UTF8, 0, string.data(), string.size(), nullptr, 0);
+  if (output_size == 0) {
+    // auto winerr = GetLastError();
+    // BOOST_LOG(error) << "Failed to get UTF-16 buffer size: "sv << winerr;
+    return {};
+  }
+
+  // Perform the conversion
+  std::wstring output(output_size, L'\0');
+  output_size = MultiByteToWideChar(CP_UTF8, 0, string.data(), string.size(), output.data(), output.size());
+  if (output_size == 0) {
+    // auto winerr = GetLastError();
+    // BOOST_LOG(error) << "Failed to convert string to UTF-16: "sv << winerr;
+    return {};
+  }
+
+  return output;
+}
+
+std::string to_utf8(const std::wstring_view &string) {
+  // No conversion needed if the string is empty
+  if (string.empty()) {
+    return {};
+  }
+
+  // Get the output size required to store the string
+  auto output_size = WideCharToMultiByte(CP_UTF8, WC_ERR_INVALID_CHARS, string.data(), string.size(), nullptr, 0, nullptr, nullptr);
+  if (output_size == 0) {
+    // auto winerr = GetLastError();
+    // BOOST_LOG(error) << "Failed to get UTF-8 buffer size: "sv << winerr;
+    return {};
+  }
+
+  // Perform the conversion
+  std::string output(output_size, '\0');
+  output_size = WideCharToMultiByte(CP_UTF8, WC_ERR_INVALID_CHARS, string.data(), string.size(), output.data(), output.size(), nullptr, nullptr);
+  if (output_size == 0) {
+    // auto winerr = GetLastError();
+    // BOOST_LOG(error) << "Failed to convert string to UTF-8: "sv << winerr;
+    return {};
+  }
+
+  return output;
+}