X-Git-Url: https://deadsoftware.ru/gitweb?a=blobdiff_plain;f=src%2Fengine%2Fe_log.pas;h=7159c18445614beaff3ba4fc3f534df33d2cf474;hb=96433b6928f0d3de3a7bb69b97008b17bff22b58;hp=d45f86efd10cb1d10e453a7d754ecb9d7a4f8e49;hpb=5d49aa6a925e49d43993305b3e4071fd70286a90;p=d2df-sdl.git

diff --git a/src/engine/e_log.pas b/src/engine/e_log.pas
index d45f86e..7159c18 100644
--- a/src/engine/e_log.pas
+++ b/src/engine/e_log.pas
@@ -1,4 +1,20 @@
+(* Copyright (C)  Doom 2D: Forever Developers
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 3 of the License ONLY.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *)
+{$INCLUDE ../shared/a_modes.inc}
 {$R-}
+{ $DEFINE CBLOG}
 unit e_log;
 
 interface
@@ -7,70 +23,413 @@ uses
   SysUtils;
 
 type
-  TWriteMode=(WM_NEWFILE,  WM_OLDFILE);
-  TRecordCategory=(MSG_FATALERROR, MSG_WARNING, MSG_NOTIFY);
+  TWriteMode = (WM_NEWFILE,  WM_OLDFILE);
+  TMsgType = (Fatal, Warning, Notify);
 
-procedure e_InitLog(fFileName: String; fWriteMode: TWriteMode);
-procedure e_WriteLog(TextLine: String; RecordCategory: TRecordCategory;
-                     WriteTime: Boolean = True);
-function DecodeIPV4(ip: LongWord): string;
+
+procedure e_InitLog (fFileName: String; fWriteMode: TWriteMode);
+procedure e_DeinitLog ();
+
+procedure e_SetSafeSlowLog (slowAndSafe: Boolean);
+
+procedure e_WriteLog (TextLine: String; RecordCategory: TMsgType; WriteTime: Boolean=True);
+
+function DecodeIPV4 (ip: LongWord): string;
+
+// start Write/WriteLn driver. it will write everything to cbuf.
+procedure e_InitWritelnDriver ();
+
+procedure e_LogWritefln (const fmt: AnsiString; args: array of const; category: TMsgType=TMsgType.Notify; writeTime: Boolean=true; writeConsole: Boolean=true);
+procedure e_LogWriteln (const s: AnsiString; category: TMsgType=TMsgType.Notify; writeTime: Boolean=true);
+
+procedure e_WriteStackTrace (const msg: AnsiString);
 
 implementation
 
+uses
+  {$IFDEF ANDROID}
+    SDL2,
+  {$ENDIF}
+  conbuf, utils;
+
 var
   FirstRecord: Boolean;
   FileName: String;
+  driverInited: Boolean = false;
 
-{ TLog }
 
-function DecodeIPV4(ip: LongWord): string;
+function DecodeIPV4 (ip: LongWord): string;
 begin
   Result := Format('%d.%d.%d.%d', [ip and $FF, (ip shr 8) and $FF, (ip shr 16) and $FF, (ip shr 24)]);
 end;
 
-procedure e_WriteLog(TextLine: String; RecordCategory: TRecordCategory;
-                     WriteTime: Boolean = True);
+
+function consoleAllow (const s: String): Boolean;
+begin
+  Result := False;
+  if Pos('[Chat] ', s) = 1 then
+    Exit;
+  Result := True;
+end;
+
+
+procedure e_WriteLog (TextLine: String; RecordCategory: TMsgType; WriteTime: Boolean=True);
+begin
+  e_LogWritefln('%s', [TextLine], RecordCategory, WriteTime, consoleAllow(TextLine));
+end;
+
+
+procedure e_LogWriteln (const s: AnsiString; category: TMsgType=TMsgType.Notify; writeTime: Boolean=true);
+begin
+  e_LogWritefln('%s', [s], category, writeTime, consoleAllow(s));
+end;
+
+
+// returns formatted string if `writerCB` is `nil`, empty string otherwise
+//function formatstrf (const fmt: AnsiString; args: array of const; writerCB: TFormatStrFCallback=nil): AnsiString;
+//TFormatStrFCallback = procedure (constref buf; len: SizeUInt);
+
+procedure conwriter (constref buf; len: SizeUInt);
 var
-  LogFile: TextFile;
-  Prefix: ShortString = '';
+  ss: ShortString;
+  slen: Integer;
+  b: PByte;
+{$IFDEF ANDROID}
+  cstr: PChar;
+{$ENDIF}
 begin
-  if FileName = '' then Exit;
+  if (len < 1) then exit;
+  b := PByte(@buf);
+
+{$IFDEF ANDROID}
+  cstr := GetMem(len + 1);
+  for slen := 0 to len - 1 do
+    cstr[slen] := Chr(b[slen]);
+  cstr[len] := #0;
+  SDL_Log(cstr, []);
+  Dispose(cstr);
+{$ENDIF}
 
-  Assign(LogFile, FileName);
-  try
-    if FileExists(FileName) then
-      Append(LogFile)
-    else
-      Rewrite(LogFile);
+  while (len > 0) do
+  begin
+    if (len > 255) then slen := 255 else slen := Integer(len);
+    Move(b^, ss[1], slen);
+    ss[0] := AnsiChar(slen);
+    write(ss);
+    b += slen;
+    len -= slen;
+  end;
+end;
+
+
+var
+  xlogFile: TextFile;
+  xlogFileOpened: Boolean = false;
+  xlogPrefix: AnsiString;
+  xlogLastWasEOL: Boolean = false;
+  xlogWantSpace: Boolean = false;
+  xlogSlowAndSafe: Boolean = false;
+
+
+procedure e_SetSafeSlowLog (slowAndSafe: Boolean);
+begin
+  xlogSlowAndSafe := slowAndSafe;
+  if xlogSlowAndSafe and xlogFileOpened then
+  begin
+    CloseFile(xlogFile);
+    xlogFileOpened := false;
+  end;
+end;
+
+
+procedure logwriter (constref buf; len: SizeUInt);
+var
+  ss: ShortString;
+  slen: Integer;
+  b: PByte;
+begin
+  if (len < 1) then exit;
+  b := PByte(@buf);
+  if xlogLastWasEOL then
+  begin
+    write(xlogFile, xlogPrefix);
+    xlogLastWasEOL := false;
+    xlogWantSpace := true;
+  end;
+  while (len > 0) do
+  begin
+    slen := 0;
+    while (slen < len) and (b[slen] <> 13) and (b[slen] <> 10) do Inc(slen);
+    if (slen > 255) then slen := 255;
+    // print string
+    if (slen > 0) then
+    begin
+      if xlogWantSpace then begin write(xlogFile, ' '); xlogWantSpace := false; end;
+      Move(b^, ss[1], slen);
+      ss[0] := AnsiChar(slen);
+      write(xlogFile, ss);
+      b += slen;
+      len -= slen;
+      continue;
+    end;
+    // process newline
+    if (len > 0) and ((b[0] = 13) or (b[0] = 10)) then
+    begin
+      if (b[0] = 13) then begin len -= 1; b += 1; end;
+      if (len > 0) and (b[0] = 10) then begin len -= 1; b += 1; end;
+      xlogLastWasEOL := false;
+      writeln(xlogFile, '');
+      write(xlogFile, xlogPrefix);
+    end;
+  end;
+end;
+
+
+procedure e_LogWritefln (const fmt: AnsiString; args: array of const; category: TMsgType=TMsgType.Notify; writeTime: Boolean=true; writeConsole: Boolean=true);
+
+  procedure xwrite (const s: AnsiString);
+  begin
+    if (Length(s) = 0) then exit;
+    logwriter(PAnsiChar(s)^, Length(s));
+  end;
+
+begin
+  if driverInited and (length(fmt) > 0) and writeConsole then
+  begin
+    case category of
+      TMsgType.Fatal: write('FATAL: ');
+      TMsgType.Warning: write('WARNING: ');
+    end;
+    formatstrf(fmt, args, conwriter);
+    writeln;
+  end;
+
+  if (FileName = '') then exit;
+
+  if not xlogFileOpened then
+  begin
+    AssignFile(xlogFile, FileName);
     try
-      if FirstRecord then
+      if FileExists(FileName) then Append(xlogFile) else Rewrite(xlogFile);
+      xlogFileOpened := true;
+    except // sorry
+      exit;
+    end;
+  end;
+
+  if FirstRecord then
+  begin
+    writeln(xlogFile, '--- Log started at ', TimeToStr(Time), ' ---');
+    FirstRecord := false;
+  end;
+
+  xlogPrefix := '';
+  if writeTime then begin xlogPrefix += '['; xlogPrefix += TimeToStr(Time); xlogPrefix += '] '; end;
+  case category of
+    TMsgType.Fatal: xlogPrefix += '!!!';
+    TMsgType.Warning: xlogPrefix += '!  ';
+    TMsgType.Notify: xlogPrefix += '***';
+  end;
+  xlogLastWasEOL := true; // to output prefix
+  xlogWantSpace := true; // after prefix
+  formatstrf(fmt, args, logwriter);
+  if not xlogLastWasEOL then writeln(xlogFile, '') else writeln(xlogFile, xlogPrefix);
+
+  if xlogSlowAndSafe and xlogFileOpened then
+  begin
+    CloseFile(xlogFile);
+    xlogFileOpened := false;
+  end;
+
+  //if fopened then CloseFile(xlogFile);
+end;
+
+
+procedure e_InitLog (fFileName: String; fWriteMode: TWriteMode);
+begin
+  if xlogFileOpened then CloseFile(xlogFile);
+  xlogFileOpened := false;
+  FileName := fFileName;
+  if (fWriteMode = TWriteMode.WM_NEWFILE) then
+  begin
+    try
+      if FileExists(FileName) then DeleteFile(FileName);
+    except // sorry
+    end;
+  end;
+  FirstRecord := true;
+end;
+
+
+{$I-}
+procedure e_WriteStackTrace (const msg: AnsiString);
+var
+  tfo: TextFile;
+begin
+  e_LogWriteln(msg, TMsgType.Fatal);
+  if (Length(FileName) > 0) then
+  begin
+    if xlogFileOpened then CloseFile(xlogFile);
+    xlogFileOpened := false;
+    AssignFile(tfo, FileName);
+    Append(tfo);
+    if (IOResult <> 0) then Rewrite(tfo);
+    if (IOResult = 0) then begin writeln(tfo, '====================='); DumpExceptionBackTrace(tfo); CloseFile(tfo); end;
+  end;
+end;
+
+
+procedure e_DeinitLog ();
+begin
+  if xlogFileOpened then CloseFile(xlogFile);
+  xlogFileOpened := false;
+end;
+
+
+// ////////////////////////////////////////////////////////////////////////// //
+(* Write/WriteLn driver *)
+//
+// control codes:
+//   CR, LF, BS
+//   TAB: tab space = 4
+//
+//   userData[1]: current x (for tabs)
+//   userData[2]: #13 was eaten, we should skip next #10
+//
+type
+  TDevFunc = function (var f: TTextRec): Integer;
+
+const
+  udX = 1;
+  udWasCR = 2;
+
+
+procedure ProcessOutput (var tf: TTextRec; buf: PChar; count: Integer);
+var
+  wcr: Boolean;
+  ep: PChar;
+  f, x: Integer;
+  ch: Char;
+begin
+  x := tf.userData[udX];
+  wcr := (tf.userData[udWasCR] <> 0);
+  while count > 0 do
+  begin
+    // look for some special char
+    ep := buf;
+    f := 0;
+    while f < count do
+    begin
+      ch := ep^;
+      if (ch = #13) or (ch = #10) or (ch = #9) or (ch = #8) then break;
+      Inc(ep);
+      Inc(f);
+{$IFDEF CBLOG}
+      write(stderr, ch);
+{$ENDIF}
+    end;
+    if f > 0 then
+    begin
+      wcr := false;
+      cbufPutChars(buf, f);
+      Inc(buf, f);
+      Dec(count, f);
+      Inc(x, f);
+      continue;
+    end;
+    // process special chars
+    ch := buf^;
+    Inc(buf);
+    Dec(count);
+    // tab
+    if ch = #9 then
+    begin
+{$IFDEF CBLOG}
+      write(stderr, ch);
+{$ENDIF}
+      repeat
+        cbufPut(' ');
+        Inc(x);
+      until (x mod 4) = 0;
+      continue;
+    end;
+    // cr, lf
+    if (ch = #13) or (ch = #10) then
+    begin
+{$IFDEF CBLOG}
+      writeln(stderr);
+{$ENDIF}
+      if not wcr or (ch <> #10) then
       begin
-        Writeln(LogFile, '--- Log started at '+TimeToStr(Time)+' ---');
-        FirstRecord := False;
-      end;
-      case RecordCategory of
-        MSG_FATALERROR: Prefix := '!!!';
-        MSG_WARNING:    Prefix := '!  ';
-        MSG_NOTIFY:     Prefix := '***';
+        wcr := (ch = #13);
+        x := 0;
+        cbufPut(#10);
       end;
-      if WriteTime then
-        Writeln(LogFile, '['+TimeToStr(Time)+'] '+Prefix+' '+TextLine)
-      else
-        Writeln(LogFile, Prefix+' '+TextLine);
-    finally
-      Close(LogFile);
+      continue;
     end;
-  except // sorry
   end;
+  tf.userData[udX] := x;
+  tf.userData[udWasCR] := ord(wcr);
+end;
+
+
+function DevOpen (var f: TTextRec): Integer;
+begin
+  f.userData[udX] := 0;
+  f.userData[udWasCR] := 0;
+  f.bufPos := 0;
+  f.bufEnd := 0;
+  result := 0;
+end;
+
+function DevInOut (var f: TTextRec): Integer;
+var
+  buf: PChar;
+  sz: Integer;
+begin
+  result := 0;
+  buf := Pointer(f.BufPtr);
+  sz := f.BufPos;
+  if sz > 0 then ProcessOutput(f, buf, sz);
+  f.bufPos := 0;
+  f.bufEnd := 0;
+end;
+
+function DevFlush (var f: TTextRec): Integer;
+begin
+  result := DevInOut(f);
+end;
+
+function DevClose (var f: TTextRec): Integer;
+begin
+  result := 0;
 end;
 
-procedure e_InitLog(fFileName: String; fWriteMode: TWriteMode);
+
+procedure e_InitWritelnDriver ();
 begin
- FileName := fFileName;
- if fWriteMode = WM_NEWFILE then
-  if FileExists(FileName) then
-   DeleteFile(FileName);
- FirstRecord := True;
+  if not driverInited then
+  begin
+    driverInited := true;
+    with TTextRec(output) do
+    begin
+      Mode := fmClosed;
+      if BufPtr = nil then
+      begin
+        BufSize := SizeOf(Buffer);
+        BufPtr := @Buffer;
+      end;
+      OpenFunc := @DevOpen;
+      InOutFunc := @DevInOut;
+      FlushFunc := @DevFlush;
+      CloseFunc := @DevClose;
+      Name[0] := #0;
+    end;
+    Rewrite(output);
+  end;
 end;
 
+
+begin
+  //e_InitWritelnDriver();
 end.