src: move FromNamespacedPath to path.cc

PR-URL: nodejs#53540
Reviewed-By: Daniel Lemire <daniel@lemire.me>
Reviewed-By: Vinícius Lourenço Claro Cardoso <contact@viniciusl.com.br>
Reviewed-By: Ethan Arrowood <ethan@arrowood.dev>

src/node_file.cc

@@ -3098,7 +3098,7 @@ void BindingData::LegacyMainResolve(const FunctionCallbackInfo<Value>& args) {
       return;
     }
 
-    node::url::FromNamespacedPath(&initial_file_path.value());
+    FromNamespacedPath(&initial_file_path.value());
 
     for (int i = 0; i < legacy_main_extensions_with_main_end; i++) {
       file_path = *initial_file_path + std::string(legacy_main_extensions[i]);
@@ -3133,7 +3133,7 @@ void BindingData::LegacyMainResolve(const FunctionCallbackInfo<Value>& args) {
     return;
   }
 
-  node::url::FromNamespacedPath(&initial_file_path.value());
+  FromNamespacedPath(&initial_file_path.value());
 
   for (int i = legacy_main_extensions_with_main_end;
        i < legacy_main_extensions_package_fallback_end;

src/node_url.cc

@@ -544,19 +544,6 @@ std::optional<std::string> FileURLToPath(Environment* env,
 #endif  // _WIN32
 }
 
-// Reverse the logic applied by path.toNamespacedPath() to create a
-// namespace-prefixed path.
-void FromNamespacedPath(std::string* path) {
-#ifdef _WIN32
-  if (path->compare(0, 8, "\\\\?\\UNC\\", 8) == 0) {
-    *path = path->substr(8);
-    path->insert(0, "\\\\");
-  } else if (path->compare(0, 4, "\\\\?\\", 4) == 0) {
-    *path = path->substr(4);
-  }
-#endif
-}
-
 }  // namespace url
 
 }  // namespace node

src/node_url.h

@@ -85,7 +85,6 @@ void ThrowInvalidURL(Environment* env,
 std::string FromFilePath(std::string_view file_path);
 std::optional<std::string> FileURLToPath(Environment* env,
                                          const ada::url_aggregator& file_url);
-void FromNamespacedPath(std::string* path);
 
 }  // namespace url
 

src/path.cc

@@ -314,4 +314,17 @@ void ToNamespacedPath(Environment* env, BufferValue* path) {
 #endif
 }
 
+// Reverse the logic applied by path.toNamespacedPath() to create a
+// namespace-prefixed path.
+void FromNamespacedPath(std::string* path) {
+#ifdef _WIN32
+  if (path->starts_with("\\\\?\\UNC\\")) {
+    *path = path->substr(8);
+    path->insert(0, "\\\\");
+  } else if (path->starts_with("\\\\?\\")) {
+    *path = path->substr(4);
+  }
+#endif
+}
+
 }  // namespace node

src/path.h

@@ -24,6 +24,7 @@ constexpr bool IsWindowsDeviceRoot(const char c) noexcept;
 #endif  // _WIN32
 
 void ToNamespacedPath(Environment* env, BufferValue* path);
+void FromNamespacedPath(std::string* path);
 
 }  // namespace node