server-mode: Report watched files to client

* Add a command to report watched files and directories to clients.

1 files changed, 22 insertions, 0 deletions

diff --git a/Source/cmServerProtocol.cxx b/Source/cmServerProtocol.cxx
index 66cd801..626bff0 100644
--- a/Source/cmServerProtocol.cxx
+++ b/Source/cmServerProtocol.cxx
@@ -391,6 +391,9 @@ const cmServerResponse cmServerProtocol1_0::Process(
   if (request.Type == kCONFIGURE_TYPE) {
     return this->ProcessConfigure(request);
   }
+  if (request.Type == kFILESYSTEM_WATCHERS_TYPE) {
+    return this->ProcessFileSystemWatchers(request);
+  }
   if (request.Type == kGLOBAL_SETTINGS_TYPE) {
     return this->ProcessGlobalSettings(request);
   }
@@ -1019,3 +1022,22 @@ cmServerResponse cmServerProtocol1_0::ProcessSetGlobalSettings(
 
   return request.Reply(Json::Value());
 }
+
+cmServerResponse cmServerProtocol1_0::ProcessFileSystemWatchers(
+  const cmServerRequest& request)
+{
+  const cmFileMonitor* const fm = FileMonitor();
+  Json::Value result = Json::objectValue;
+  Json::Value files = Json::arrayValue;
+  for (const auto& f : fm->WatchedFiles()) {
+    files.append(f);
+  }
+  Json::Value directories = Json::arrayValue;
+  for (const auto& d : fm->WatchedDirectories()) {
+    directories.append(d);
+  }
+  result[kWATCHED_FILES_KEY] = files;
+  result[kWATCHED_DIRECTORIES_KEY] = directories;
+
+  return request.Reply(result);
+}