diff --git a/src/engine/e_log.pas b/src/engine/e_log.pas
index e524c1a1a9f522e70191ef1543af9d132912e254..523c27f068de6ab6392058a12714edf8bda543ed 100644 (file)
--- a/src/engine/e_log.pas
+++ b/src/engine/e_log.pas
+(* 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, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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
SysUtils;
type
- TWriteMode=(WM_NEWFILE, WM_OLDFILE);
- TRecordCategory=(MSG_FATALERROR, MSG_WARNING, MSG_NOTIFY);
+ TWriteMode = (WM_NEWFILE, WM_OLDFILE);
+ TRecordCategory = (MSG_FATALERROR, MSG_WARNING, MSG_NOTIFY);
+
+
+procedure e_InitLog (fFileName: String; fWriteMode: TWriteMode);
+procedure e_DeinitLog ();
+
+procedure e_WriteLog (TextLine: String; RecordCategory: TRecordCategory; 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: TRecordCategory=MSG_NOTIFY; writeTime: Boolean=true);
-procedure e_InitLog(fFileName: String; fWriteMode: TWriteMode);
-procedure e_WriteLog(TextLine: String; RecordCategory: TRecordCategory;
- WriteTime: Boolean = True);
-function DecodeIPV4(ip: LongWord): string;
var
e_WriteToStdOut: Boolean = False;
+
implementation
+uses
+ 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);
+
+procedure e_WriteLog (TextLine: String; RecordCategory: TRecordCategory; WriteTime: Boolean=True);
+begin
+ e_LogWritefln('%s', [TextLine], RecordCategory, WriteTime);
+end;
+(*
var
LogFile: TextFile;
Prefix: ShortString = '';
OutStr: String;
begin
+ if driverInited and (length(TextLine) > 0) then
+ begin
+ case RecordCategory of
+ MSG_FATALERROR: write('FATAL: ');
+ MSG_WARNING: write('WARNING: ');
+ end;
+ writeln(TextLine);
+ end;
+
if FileName = '' then Exit;
Assign(LogFile, FileName);
if WriteTime then
OutStr := '['+TimeToStr(Time)+'] '+Prefix+' '+TextLine
else
- OutStr := Prefix+' '+TextLine;
+ OutStr := Prefix+' '+TextLine;
Writeln(LogFile, OutStr);
if e_WriteToStdOut then
Writeln(OutStr);
except // sorry
end;
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
+ ss: ShortString;
+ slen: Integer;
+ b: PByte;
+begin
+ if (len < 1) then exit;
+ b := PByte(@buf);
+ while (len > 0) do
+ begin
+ if (len > 255) then slen := 255 else slen := Integer(len);
+ Move(b^, ss[1], len);
+ 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;
+
+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 (slen < 255) and (b[slen] <> 13) and (b[slen] <> 10) do Inc(slen);
+ // print string
+ if (slen > 0) then
+ begin
+ if xlogWantSpace then begin write(xlogFile, ' '); xlogWantSpace := false; end;
+ Move(b^, ss[1], len);
+ 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 (len > 1) and (b[0] = 13) and (b[1] = 10) then
+ begin
+ len -= 2;
+ b += 2;
+ end
+ else
+ 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: TRecordCategory=MSG_NOTIFY; writeTime: 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) then
+ begin
+ case category of
+ MSG_FATALERROR: write('FATAL: ');
+ MSG_WARNING: write('WARNING: ');
+ end;
+ formatstrf(fmt, args, conwriter);
+ writeln;
+ end;
+
+ if (FileName = '') then exit;
+
+ if not xlogFileOpened then
+ begin
+ AssignFile(xlogFile, FileName);
+ try
+ 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
+ MSG_FATALERROR: xlogPrefix += '!!!';
+ MSG_WARNING: xlogPrefix += '! ';
+ MSG_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 fopened then CloseFile(xlogFile);
+end;
+
+
+procedure e_InitLog (fFileName: String; fWriteMode: TWriteMode);
+begin
+ if xlogFileOpened then CloseFile(xlogFile);
+ xlogFileOpened := false;
+ FileName := fFileName;
+ if (fWriteMode = WM_NEWFILE) then
+ begin
+ try
+ if FileExists(FileName) then DeleteFile(FileName);
+ except // sorry
+ end;
+ end;
+ FirstRecord := true;
+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
+ wcr := (ch = #13);
+ x := 0;
+ cbufPut(#10);
+ end;
+ continue;
+ end;
+ 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;
-procedure e_InitLog(fFileName: String; fWriteMode: TWriteMode);
+function DevFlush (var f: TTextRec): Integer;
begin
- FileName := fFileName;
- if fWriteMode = WM_NEWFILE then
- begin
- try
- if FileExists(FileName) then DeleteFile(FileName);
- except // sorry
- end;
- end;
- FirstRecord := True;
+ result := DevInOut(f);
end;
+function DevClose (var f: TTextRec): Integer;
+begin
+ result := 0;
+end;
+
+
+procedure e_InitWritelnDriver ();
+begin
+ 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.