server-mode: Set global configuration of cmake via a command

"setGlobalSettings" can be used to change settings reported by
"globalSettings" command.

3 files changed, 46 insertions, 0 deletions

diff --git a/Source/cmServerDictionary.h b/Source/cmServerDictionary.h
index ea8954f..657fbd6 100644
--- a/Source/cmServerDictionary.h
+++ b/Source/cmServerDictionary.h
@@ -22,6 +22,7 @@ static const std::string kHANDSHAKE_TYPE = "handshake";
 static const std::string kMESSAGE_TYPE = "message";
 static const std::string kPROGRESS_TYPE = "progress";
 static const std::string kREPLY_TYPE = "reply";
+static const std::string kSET_GLOBAL_SETTINGS_TYPE = "setGlobalSettings";
 static const std::string kSIGNAL_TYPE = "signal";
 
 static const std::string kBUILD_DIRECTORY_KEY = "buildDirectory";
diff --git a/Source/cmServerProtocol.cxx b/Source/cmServerProtocol.cxx
index 49f03cd..55ae24e 100644
--- a/Source/cmServerProtocol.cxx
+++ b/Source/cmServerProtocol.cxx
@@ -283,6 +283,9 @@ const cmServerResponse cmServerProtocol1_0::Process(
   if (request.Type == kGLOBAL_SETTINGS_TYPE) {
     return this->ProcessGlobalSettings(request);
   }
+  if (request.Type == kSET_GLOBAL_SETTINGS_TYPE) {
+    return this->ProcessSetGlobalSettings(request);
+  }
 
   return request.ReportError("Unknown command!");
 }
@@ -320,3 +323,44 @@ cmServerResponse cmServerProtocol1_0::ProcessGlobalSettings(
 
   return request.Reply(obj);
 }
+
+static void setBool(const cmServerRequest& request, const std::string& key,
+                    std::function<void(bool)> setter)
+{
+  if (request.Data[key].isNull()) {
+    return;
+  }
+  setter(request.Data[key].asBool());
+}
+
+cmServerResponse cmServerProtocol1_0::ProcessSetGlobalSettings(
+  const cmServerRequest& request)
+{
+  const std::vector<std::string> boolValues = {
+    kDEBUG_OUTPUT_KEY,       kTRACE_KEY,       kTRACE_EXPAND_KEY,
+    kWARN_UNINITIALIZED_KEY, kWARN_UNUSED_KEY, kWARN_UNUSED_CLI_KEY,
+    kCHECK_SYSTEM_VARS_KEY
+  };
+  for (auto i : boolValues) {
+    if (!request.Data[i].isNull() && !request.Data[i].isBool()) {
+      return request.ReportError("\"" + i +
+                                 "\" must be unset or a bool value.");
+    }
+  }
+
+  cmake* cm = this->CMakeInstance();
+
+  setBool(request, kDEBUG_OUTPUT_KEY,
+          [cm](bool e) { cm->SetDebugOutputOn(e); });
+  setBool(request, kTRACE_KEY, [cm](bool e) { cm->SetTrace(e); });
+  setBool(request, kTRACE_EXPAND_KEY, [cm](bool e) { cm->SetTraceExpand(e); });
+  setBool(request, kWARN_UNINITIALIZED_KEY,
+          [cm](bool e) { cm->SetWarnUninitialized(e); });
+  setBool(request, kWARN_UNUSED_KEY, [cm](bool e) { cm->SetWarnUnused(e); });
+  setBool(request, kWARN_UNUSED_CLI_KEY,
+          [cm](bool e) { cm->SetWarnUnusedCli(e); });
+  setBool(request, kCHECK_SYSTEM_VARS_KEY,
+          [cm](bool e) { cm->SetCheckSystemVars(e); });
+
+  return request.Reply(Json::Value());
+}
diff --git a/Source/cmServerProtocol.h b/Source/cmServerProtocol.h
index 8d1fe0e..21515b2 100644
--- a/Source/cmServerProtocol.h
+++ b/Source/cmServerProtocol.h
@@ -119,6 +119,7 @@ private:
 
   // Handle requests:
   cmServerResponse ProcessGlobalSettings(const cmServerRequest& request);
+  cmServerResponse ProcessSetGlobalSettings(const cmServerRequest& request);
 
   enum State
   {