From 7bc9ae2fc0204a6412aa1cb5f05f0ffa8d1870ac Mon Sep 17 00:00:00 2001
From: DeaDDooMER <deaddoomer@deadsoftware.ru>
Date: Wed, 29 Mar 2023 13:23:27 +0300
Subject: [PATCH] system: add option --log-file

---
 src/editor/Editor.lpr | 64 +++++++++++++++++++++++++++++++++++++------
 src/editor/f_main.pas |  1 -
 2 files changed, 55 insertions(+), 10 deletions(-)

diff --git a/src/editor/Editor.lpr b/src/editor/Editor.lpr
index 3889b51..421a095 100644
--- a/src/editor/Editor.lpr
+++ b/src/editor/Editor.lpr
@@ -65,7 +65,8 @@ uses
     end;
 
   var
-    H: THandlerObject;
+    LogFileName: AnsiString = '';
+    ParamFileIndex: Integer = 1;
 
   procedure THandlerObject.ExceptionHandler (Sender: TObject; e: Exception);
   begin
@@ -73,17 +74,61 @@ uses
     MessageDlg('Unhandled exception: ' + e.message + ' (see Editor.log for more information)', mtError, [mbOK], 0);
   end;
 
+  procedure CheckParamOptions;
+    var i: Integer; p: AnsiString;
+  begin
+    i := 1;
+    while (i <= ParamCount) and (Length(ParamStr(i)) > 0) and (ParamStr(i)[1] = '-') do
+    begin
+      p := ParamStr(i);
+      if p = '--log-file' then
+      begin
+        if i + 1 <= ParamCount then
+        begin
+          Inc(i);
+          LogFileName := ParamStr(i);
+        end;
+      end;
+      Inc(i);
+    end;
+    ParamFileIndex := i;
+  end;
+
+  procedure CheckParamFiles;
+    var i: Integer; path: AnsiString;
+  begin
+    i := ParamFileIndex;
+    if i <= ParamCount then
+    begin
+      path := ParamStr(i);
+      if path <> '' then
+        OpenMap(path, '');
+    end;
+  end;
+
+  procedure InitLogs;
+  begin
+    if LogFileName = '' then
+      LogFileName := 'Editor.log';
+
+    if LogFileName <> '' then
+      e_InitLog(LogFileName, WM_NEWFILE);
+
+    {$IF DECLARED(UseHeapTrace)}
+      (* http://wiki.freepascal.org/heaptrc *)
+      GlobalSkipIfNoLeaks := True;
+      //SetHeapTraceOutput('EditorLeaks.log');
+      //HaltOnError := False;
+    {$ENDIF}
+  end;
+
 begin
   Application.ExceptionDialog := aedOkMessageBox;
-  Application.AddOnExceptionHandler(H.ExceptionHandler, True);
+  Application.AddOnExceptionHandler(THandlerObject.ExceptionHandler, True);
   Application.Initialize();
 
-{$IF DECLARED(UseHeapTrace)}
-  (* http://wiki.freepascal.org/heaptrc *)
-  GlobalSkipIfNoLeaks := True;
-  //SetHeapTraceOutput('EditorLeaks.log');
-  //HaltOnError := False;
-{$ENDIF}
+  CheckParamOptions;
+  InitLogs;
 
   Application.CreateForm(TMainForm, MainForm);
   Application.CreateForm(TOptionsForm, OptionsForm);
@@ -105,6 +150,7 @@ begin
   Application.CreateForm(TChooseTypeForm, ChooseTypeForm);
   Application.CreateForm(TSelectLanguageForm, SelectLanguageForm);
 
-  if ParamStr(1) <> '' then OpenMap(ParamStr(1), '');
+  CheckParamFiles;
+
   Application.Run();
 end.
diff --git a/src/editor/f_main.pas b/src/editor/f_main.pas
index 1d1d2ce..b7e3dd3 100644
--- a/src/editor/f_main.pas
+++ b/src/editor/f_main.pas
@@ -2650,7 +2650,6 @@ begin
 
   EditorDir := ExtractFilePath(Application.ExeName);
 
-  e_InitLog(EditorDir+'Editor.log', WM_NEWFILE);
   e_WriteLog('Doom 2D: Forever Editor version ' + EDITOR_VERSION, MSG_NOTIFY);
   e_WriteLog('Build date: ' + EDITOR_BUILDDATE + ' ' + EDITOR_BUILDTIME, MSG_NOTIFY);
   e_WriteLog('Build hash: ' + g_GetBuildHash(), MSG_NOTIFY);
-- 
2.29.2