mysticbbs/mystic/bbs_msgbase_jam.pas

1874 lines
53 KiB
ObjectPascal

{$I M_OPS.PAS}
// things to do:
// 2. make readmsgtext read directly into msgtext record?
// 3. make squish use temporary buffer file
// 4. remove all mkcrap stuff... basically rewrite everything 1 by 1
Unit BBS_MsgBase_JAM;
// ====================================================================
// Mystic BBS Software Copyright 1997-2013 By James Coyle
// ====================================================================
//
// This file is part of Mystic BBS.
//
// Mystic BBS 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.
//
// Mystic BBS 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 Mystic BBS. If not, see <http://www.gnu.org/licenses/>.
//
// ====================================================================
Interface
Uses
m_Strings,
BBS_Records,
BBS_MsgBase_ABS;
Const
JamIdxBufSize = 200;
JamSubBufSize = 4000;
JamTxtBufSize = 4000;
TxtSubBufSize = 2000;
Jam_Local = $00000001;
Jam_InTransit = $00000002;
Jam_Priv = $00000004;
Jam_Rcvd = $00000008;
Jam_Sent = $00000010;
Jam_KillSent = $00000020;
Jam_AchvSent = $00000040;
Jam_Hold = $00000080;
Jam_Crash = $00000100;
Jam_Imm = $00000200;
Jam_Direct = $00000400;
Jam_Gate = $00000800;
Jam_Freq = $00001000;
Jam_FAttch = $00002000;
Jam_TruncFile = $00004000;
Jam_KillFile = $00008000;
Jam_RcptReq = $00010000;
Jam_ConfmReq = $00020000;
Jam_Orphan = $00040000;
Jam_Encrypt = $00080000;
Jam_Compress = $00100000;
Jam_Escaped = $00200000;
Jam_FPU = $00400000;
Jam_TypeLocal = $00800000;
Jam_TypeEcho = $01000000;
Jam_TypeNet = $02000000;
Jam_NoDisp = $20000000;
Jam_Locked = $40000000;
Jam_Deleted = $80000000;
Type
JamHdrType = Record
Signature : Array[1..4] of Char;
Created : LongInt;
ModCounter : LongInt;
ActiveMsgs : LongInt;
PwdCRC : LongInt;
BaseMsgNum : LongInt;
Extra : Array[1..1000] of Char;
End;
JamMsgHdrType = Record
Signature : Array[1..4] of Char;
Rev : Word;
Resvd : Word;
SubFieldLen : LongInt;
TimesRead : LongInt;
MsgIdCrc : LongInt;
ReplyCrc : LongInt;
ReplyTo : LongInt;
ReplyFirst : LongInt;
ReplyNext : LongInt;
DateWritten : LongInt;
DateRcvd : LongInt;
DateArrived : LongInt;
MsgNum : LongInt;
Attr1 : Cardinal;
Attr2 : LongInt;
TextOfs : LongInt;
TextLen : LongInt;
PwdCrc : LongInt;
Cost : LongInt;
End;
JamIdxType = Record
MsgToCrc : LongInt;
HdrLoc : LongInt;
End;
JamLastType = Record
NameCrc : LongInt;
UserNum : LongInt;
LastRead : LongInt;
HighRead : LongInt;
End;
JamIdxArrayType = Array[0..JamIdxBufSize] of JamIdxType;
JamSubBuffer = Array[1..JamSubBufSize] of Char;
JamTxtBufType = Array[0..JamTxtBufSize] Of Char;
HdrType = Record
JamHdr : JamMsgHdrType;
SubBuf : JamSubBuffer;
End;
JamMsgType = Record
HdrFile : File;
TxtFile : File;
IdxFile : File;
MsgPath : String[128];
BaseHdr : JamHdrType;
Dest : RecEchoMailAddr;
Orig : RecEchoMailAddr;
MsgFrom : String[65];
MsgTo : String[65];
MsgSubj : String[100];
MsgDate : String[8];
MsgTime : String[5];
CurrMsgNum : LongInt;
YourName : String[35];
YourHdl : String[35];
NameCrc : LongInt;
HdlCrc : LongInt;
TxtPos : LongInt;
TxtEnd : LongInt;
TxtBufStart : LongInt;
TxtRead : Word;
IdxRead : Word;
MailType : MsgMailType;
BufFile : File;
LockCount : LongInt;
IdxStart : LongInt;
TxtSubBuf : Array[0..TxtSubBufSize] of Char;
TxtSubChars : Integer;
End;
PMsgBaseJAM = ^TMsgBaseJAM;
TMsgBaseJAM = Object(TMsgBaseABS)
JM : ^JamMsgType;
MsgHdr : ^HdrType;
JamIdx : ^JamIdxArrayType;
TxtBuf : ^JamTxtBufType;
Error : Word;
Procedure EditMsgInit; Virtual;
Procedure EditMsgSave; Virtual;
Constructor Init;
Destructor Done; Virtual;
Procedure SetMsgPath (St: String); Virtual; {Set netmail path}
Function GetHighMsgNum : LongInt; Virtual; {Get highest netmail msg number in area}
Function LockMsgBase : Boolean; Virtual; {Lock the message base}
Function UnLockMsgBase : Boolean; Virtual; {Unlock the message base}
Procedure SetDest (Addr: RecEchoMailAddr); Virtual; {Set Zone/Net/Node/Point for Dest}
Procedure SetOrig (Addr: RecEchoMailAddr); Virtual; {Set Zone/Net/Node/Point for Orig}
Procedure SetFrom (Name: String); Virtual; {Set message from}
Procedure SetTo (Name: String); Virtual; {Set message to}
Procedure SetSubj (Str: String); Virtual; {Set message subject}
Procedure SetCost (SCost: Word); Virtual; {Set message cost}
Procedure SetRefer (SRefer: LongInt); Virtual; {Set message reference}
Procedure SetSeeAlso (SAlso: LongInt); Virtual; {Set message see also}
Function GetNextSeeAlso : LongInt; Virtual;
Procedure SetNextSeeAlso (SAlso: LongInt); Virtual;
Procedure SetDate (SDate: String); Virtual; {Set message date}
Procedure SetTime (STime: String); Virtual; {Set message time}
Procedure SetLocal (LS: Boolean); Virtual; {Set local status}
Procedure SetRcvd (RS: Boolean); Virtual; {Set received status}
Procedure SetPriv (PS: Boolean); Virtual; {Set priveledge vs public status}
Procedure SetHold (SS: Boolean); Virtual; {set hold netmail status}
Procedure SetCrash (SS: Boolean); Virtual; {Set crash netmail status}
Procedure SetKillSent (SS: Boolean); Virtual; {Set kill/sent netmail status}
Procedure SetSent (SS: Boolean); Virtual; {Set sent netmail status}
Procedure SetFAttach (SS: Boolean); Virtual; {Set file attach status}
Procedure SetReqRct (SS: Boolean); Virtual; {Set request receipt status}
Procedure SetReqAud (SS: Boolean); Virtual; {Set request audit status}
Procedure SetRetRct (SS: Boolean); Virtual; {Set return receipt status}
Procedure SetFileReq (SS: Boolean); Virtual; {Set file request status}
Procedure DoString (Str: String); Virtual; {Add string to message text}
Procedure DoChar (Ch: Char); Virtual; {Add character to message text}
Procedure DoStringLn (Str: String); Virtual; {Add string and newline to msg text}
Procedure DoKludgeLn (Str: String); Virtual; {Add ^AKludge line to msg}
Function WriteMsg : Word; Virtual;
Function GetChar : Char; Virtual;
Procedure MsgStartUp; Virtual; {set up msg for reading}
Function EOM : Boolean; Virtual; {No more msg text}
Function GetString (MaxLen: Word): String; Virtual; {Get wordwrapped string}
Procedure SeekFirst (MsgNum: LongInt); Virtual; {Seek msg number}
Procedure SeekNext; Virtual; {Find next matching msg}
Procedure SeekPrior; Virtual; {Seek prior matching msg}
Function GetFrom : String; Virtual; {Get from name on current msg}
Function GetTo : String; Virtual; {Get to name on current msg}
Function GetSubj : String; Virtual; {Get subject on current msg}
// Function GetCost : Word; Virtual; {Get cost of current msg}
Function GetDate : String; Virtual; {Get date of current msg}
Function GetTime : String; Virtual; {Get time of current msg}
Function GetRefer : LongInt; Virtual; {Get reply to of current msg}
Function GetSeeAlso : LongInt; Virtual; {Get see also of current msg}
Function GetMsgNum : LongInt; Virtual; {Get message number}
Procedure GetOrig (Var Addr: RecEchoMailAddr); Virtual; {Get origin address}
Function GetOrigAddr : RecEchoMailAddr; Virtual;
Function GetDestAddr : RecEchoMailAddr; Virtual;
Procedure GetDest (Var Addr: RecEchoMailAddr); Virtual; {Get destination address}
Function GetTextLen : LongInt; Virtual; {returns length of text in msg}
Function IsLocal : Boolean; Virtual; {Is current msg local}
Function IsCrash : Boolean; Virtual; {Is current msg crash}
Function IsKillSent : Boolean; Virtual; {Is current msg kill sent}
Function IsSent : Boolean; Virtual; {Is current msg sent}
Function IsFAttach : Boolean; Virtual; {Is current msg file attach}
// Function IsReqRct: Boolean; Virtual; {Is current msg request receipt}
// Function IsReqAud: Boolean; Virtual; {Is current msg request audit}
// Function IsRetRct: Boolean; Virtual; {Is current msg a return receipt}
Function IsFileReq : Boolean; Virtual; {Is current msg a file request}
Function IsRcvd : Boolean; Virtual; {Is current msg received}
Function IsPriv : Boolean; Virtual; {Is current msg priviledged/private}
Function IsDeleted : Boolean; Virtual; {Is current msg deleted}
// Function IsEchoed : Boolean; Virtual; {Msg should be echoed}
Function GetMsgLoc : LongInt; Virtual; {Msg location}
Procedure SetMsgLoc (ML: LongInt); Virtual; {Msg location}
// Procedure YoursFirst (Name: String; Handle: String); Virtual; {Seek your mail}
// Procedure YoursNext; Virtual; {Seek next your mail}
// Function YoursFound : Boolean; Virtual; {Message found}
Procedure StartNewMsg; Virtual;
Function OpenMsgBase : Boolean; Virtual;
Procedure CloseMsgBase; Virtual;
// Function MsgBaseExists : Boolean; Virtual; {Does msg base exist}
Function CreateMsgBase (MaxMsg: Word; MaxDays: Word): Boolean; Virtual;
Function SeekFound : Boolean; Virtual;
Procedure SetMailType (MT: MsgMailType); Virtual; {Set message base type}
// Function GetSubArea : Word; Virtual; {Get sub area number}
Procedure ReWriteHdr; Virtual; {Rewrite msg header after changes}
Procedure DeleteMsg; Virtual; {Delete current message}
Function NumberOfMsgs : LongInt; Virtual; {Number of messages}
Function GetLastRead (UNum: LongInt): LongInt; Virtual; {Get last read for user num}
Procedure SetLastRead (UNum: LongInt; LR: LongInt); Virtual; {Set last read}
Procedure MsgTxtStartUp; Virtual; {Do message text start up tasks}
Function GetTxtPos : LongInt; Virtual; {Get indicator of msg text position}
Procedure SetTxtPos (TP: LongInt); Virtual; {Set text position}
Procedure SetAttr1 (Mask: Cardinal; St: Boolean); {Set attribute 1}
Function ReadIdx : Word;
Function WriteIdx : Word;
Procedure AddSubField (id: Word; Data: String);
Function FindLastRead (Var LastFile: File; UNum: LongInt): LongInt;
Function ReReadIdx (Var IdxLoc : LongInt) : Word;
End;
Function JamStrCrc (St: String): LongInt;
Implementation
Uses
DOS,
m_CRC,
m_FileIO,
m_DateTime,
BBS_DataBase,
MKCRAP;
Type
SubFieldPTR = ^SubFieldType;
SubFieldType = Record
LoId : Word;
HiId : Word;
DataLen : LongInt;
Data : Array[1..1000] of Char;
End;
Constructor TMsgBaseJAM.Init;
Begin
New (JM);
New (JamIdx);
New (MsgHdr); { this new here messes everything up }
New (TxtBuf);
If ((JM = Nil) Or (JamIdx = Nil) or (MsgHdr = Nil) or (TxtBuf = Nil)) Then Begin
If JM <> Nil Then Dispose(JM);
If JamIdx <> Nil Then Dispose(JamIdx);
If MsgHdr <> Nil Then Dispose(MsgHdr);
If TxtBuf <> Nil Then Dispose(TxtBuf);
Fail;
Exit;
End Else Begin
FillChar(JM^, SizeOf(JM^), #0);
JM^.MsgPath := '';
JM^.IdxStart := -30;
JM^.IdxRead := 0;
Error := 0;
End;
End;
Destructor TMsgBaseJAM.Done;
Begin
If JM <> Nil Then Dispose(JM);
If JamIdx <> Nil Then Dispose(JamIdx);
If MsgHdr <> Nil Then Dispose(MsgHdr);
If TxtBuf <> Nil Then Dispose(TxtBuf);
End;
Function JamStrCrc (St: String): LongInt;
Var
i: Word;
crc: LongInt;
Begin
Crc := -1;
For i := 1 to Length(St) Do
Crc := Crc32(Ord(LoCase(St[i])), Crc);
JamStrCrc := Crc;
End;
Procedure TMsgBaseJAM.SetMsgPath (St: String);
Begin
JM^.MsgPath := Copy(St, 1, 124);
End;
Function TMsgBaseJAM.GetHighMsgNum: LongInt;
Begin
GetHighMsgNum := JM^.BaseHdr.BaseMsgNum + FileSize(JM^.IdxFile) - 1;
End;
Procedure TMsgBaseJAM.SetDest (Addr: RecEchoMailAddr);
Begin
JM^.Dest := Addr;
End;
Procedure TMsgBaseJAM.SetOrig (Addr: RecEchoMailAddr);
Begin
JM^.Orig := Addr;
End;
Procedure TMsgBaseJAM.SetFrom (Name: String);
Begin
JM^.MsgFrom := Name;
End;
Procedure TMsgBaseJAM.SetTo (Name: String);
Begin
JM^.MsgTo := Name;
End;
Procedure TMsgBaseJAM.SetSubj (Str: String);
Begin
JM^.MsgSubj := Str;
End;
Procedure TMsgBaseJAM.SetCost (SCost: Word);
Begin
MsgHdr^.JamHdr.Cost := SCost;
End;
Procedure TMsgBaseJAM.SetRefer (SRefer: LongInt);
Begin
MsgHdr^.JamHdr.ReplyTo := SRefer;
End;
Procedure TMsgBaseJAM.SetSeeAlso (SAlso: LongInt);
Begin
MsgHdr^.JamHdr.ReplyFirst := SAlso;
End;
Procedure TMsgBaseJAM.SetDate (SDate: String);
Begin
JM^.MsgDate := SDate;
End;
Procedure TMsgBaseJAM.SetTime (STime: String);
Begin
JM^.MsgTime := STime;
End;
Procedure TMsgBaseJAM.SetAttr1 (Mask: Cardinal; St: Boolean);
Begin
If St Then
MsgHdr^.JamHdr.Attr1 := MsgHdr^.JamHdr.Attr1 Or Mask
Else
MsgHdr^.JamHdr.Attr1 := MsgHdr^.JamHdr.Attr1 And (Not Mask);
End;
Procedure TMsgBaseJAM.SetLocal (LS: Boolean);
Begin
SetAttr1(Jam_Local, LS);
End;
Procedure TMsgBaseJAM.SetRcvd (RS: Boolean);
Begin
SetAttr1(Jam_Rcvd, RS);
End;
Procedure TMsgBaseJAM.SetPriv (PS: Boolean);
Begin
SetAttr1(Jam_Priv, PS);
End;
Procedure TMsgBaseJAM.SetHold (SS: Boolean);
Begin
SetAttr1 (Jam_Hold, SS);
End;
Procedure TMsgBaseJAM.SetCrash (SS: Boolean);
Begin
SetAttr1(Jam_Crash, SS);
End;
Procedure TMsgBaseJAM.SetKillSent (SS: Boolean);
Begin
SetAttr1(Jam_KillSent, SS);
End;
Procedure TMsgBaseJAM.SetSent (SS: Boolean);
Begin
SetAttr1(Jam_Sent, SS);
End;
Procedure TMsgBaseJAM.SetFAttach (SS: Boolean);
Begin
SetAttr1(Jam_FAttch, SS);
End;
Procedure TMsgBaseJAM.SetReqRct (SS: Boolean);
Begin
SetAttr1(Jam_RcptReq, SS);
End;
Procedure TMsgBaseJAM.SetReqAud (SS: Boolean);
Begin
SetAttr1(Jam_ConfmReq, SS);
End;
Procedure TMsgBaseJAM.SetRetRct (SS: Boolean);
Begin
End;
Procedure TMsgBaseJAM.SetFileReq (SS: Boolean);
Begin
SetAttr1(Jam_Freq, SS);
End;
Procedure TMsgBaseJAM.DoString (Str: String);
Var
i: Word;
Begin
i := 1;
While i <= Length(Str) Do Begin
DoChar(Str[i]);
Inc(i);
End;
End;
Procedure TMsgBaseJAM.DoChar(Ch: Char);
Var
// TmpStr: String;
NumWrite: Word;
Begin
Case ch of
#13: LastSoft := False;
#10:;
Else
LastSoft := True;
End;
If (JM^.TxtPos - JM^.TxtBufStart) >= JamTxtBufSize Then Begin
If JM^.TxtBufStart = 0 Then Begin
// GetDir(0, TmpStr);
// TmpStr := GetTempName(TmpStr);
Assign(JM^.BufFile, TempFile);
FileMode := fmReadWrite + fmDenyNone;
ReWrite(JM^.BufFile, 1);
End;
NumWrite := JM^.TxtPos - JM^.TxtBufStart;
BlockWrite(JM^.BufFile, TxtBuf^, NumWrite);
Error := IoResult;
JM^.TxtBufStart := FileSize(JM^.BufFile);
End;
TxtBuf^[JM^.TxtPos - JM^.TxtBufStart] := Ch;
Inc(JM^.TxtPos);
End;
Procedure TMsgBaseJAM.DoStringLn(Str: String);
Begin
DoString(Str);
DoChar(#13);
End;
Procedure TMsgBaseJAM.DoKludgeLn(Str: String);
Var
TmpStr: String;
Begin
If Str[1] = #1 Then
Str := Copy(Str,2,255);
If Copy(Str,1,3) = 'PID' Then Begin
TmpStr := strStripL(Copy(Str,4,255),':');
TmpStr := Copy(strStripB(TmpStr, ' '),1,40);
AddSubField(7, TmpStr);
End Else
If Copy(Str,1,5) = 'MSGID' Then Begin
TmpStr := strStripL(Copy(Str,6,255),':');
TmpStr := Copy(strStripB(TmpStr,' '),1,100);
AddSubField(4, TmpStr);
MsgHdr^.JamHdr.MsgIdCrc := JamStrCrc(TmpStr);
End Else
If Copy(Str,1,4) = 'INTL' Then Begin {ignore}
End Else
If Copy(Str,1,4) = 'TOPT' Then Begin {ignore}
End Else
If Copy(Str,1,4) = 'FMPT' Then Begin {ignore}
End Else
If Copy(Str,1,5) = 'REPLY' Then Begin
TmpStr := strStripL(Copy(Str,8,255),':');
TmpStr := Copy(strStripB(TmpStr,' '),1,100);
AddSubField(5, TmpStr);
MsgHdr^.JamHdr.ReplyCrc := JamStrCrc(TmpStr);
End Else
If Copy(Str,1,4) = 'PATH' Then Begin
TmpStr := strStripL(Copy(Str,5,255),':');
TmpStr := strStripB(TmpStr,' ');
AddSubField(2002, TmpStr);
End Else Begin
AddSubField(2000, strStripB(Str,' '));
End;
End;
Procedure TMsgBaseJAM.AddSubField(id: Word; Data: String);
Type
SubFieldPTR = ^SubFieldType;
SubFieldType = Record
LoID : Word;
HiID : Word;
DataLen : LongInt;
Data : Array[1..256] of Char;
End;
Var
SubField: SubFieldPTR;
Begin
SubField := SubFieldPTR(@MsgHdr^.SubBuf[MsgHdr^.JamHdr.SubFieldLen + 1]);
If (MsgHdr^.JamHdr.SubFieldLen + 8 + Length(Data) < JamSubBufSize) Then Begin
Inc(MsgHdr^.JamHdr.SubFieldLen, 8 + Length(Data));
SubField^.LoId := Id;
SubField^.HiId := 0;
SubField^.DataLen := Length(Data);
Move(Data[1], SubField^.Data[1], Length(Data));
End;
End;
Procedure TMsgBaseJAM.EditMsgInit;
Begin
JM^.TxtBufStart := 0;
JM^.TxtPos := 0;
MsgHdr^.JamHdr.SubFieldLen := 0;
FillChar(MsgHdr^.SubBuf, SizeOf(MsgHdr^.SubBuf), #0);
End;
(*
Procedure TMsgBaseJAM.EditMsgSave;
Var
{$IFDEF MSDOS}
iPos : Word;
{$ELSE}
iPos : LongInt;
{$ENDIF}
TmpIdx : JamIdxType;
TmpHdr : JamMsgHdrType;
IdxLoc : LongInt;
Begin
MsgHdr^.JamHdr.TextOfs := FileSize(JM^.TxtFile);
MsgHdr^.JamHdr.TextLen := JM^.TxtPos;
If JM^.TxtBufStart > 0 Then Begin
iPos := JM^.TxtPos - JM^.TxtBufStart;
BlockWrite(JM^.BufFile, TxtBuf^, iPos);
Seek (JM^.BufFile, 0);
Seek (JM^.TxtFile, FileSize(JM^.TxtFile));
While Not Eof(JM^.BufFile) Do Begin
BlockRead (JM^.BufFile, TxtBuf^, SizeOf(TxtBuf^), iPos);
JM^.TxtBufStart := FilePos(JM^.TxtFile);
JM^.TxtRead := iPos;
BlockWrite(JM^.TxtFile, TxtBuf^, iPos);
End;
Close(JM^.BufFile);
Erase(JM^.BufFile);
End Else Begin {Write text using TxtBuf only}
Seek (JM^.Txtfile, FileSize(JM^.TxtFile));
BlockWrite (JM^.TxtFile, TxtBuf^, JM^.TxtPos);
JM^.TxtRead := JM^.TxtPos;
End;
If ReReadIdx(IdxLoc) = 0 Then;
TmpHdr := MsgHdr^.JamHdr;
TmpHdr.Attr1 := TmpHdr.Attr1 AND Jam_Deleted;
TmpHdr.TextLen := 0;
Seek (JM^.HdrFile, JamIdx^[IdxLoc - JM^.IdxStart].HdrLoc);
BlockWrite (JM^.HdrFile, TmpHdr, SizeOf(TmpHdr));
JamIdx^[IdxLoc - JM^.IdxStart].HdrLoc := FileSize(JM^.HdrFile);
If Length(JM^.MsgTo) > 0 Then AddSubField(3, JM^.MsgTo);
If Length(JM^.MsgFrom) > 0 Then AddSubField(2, JM^.MsgFrom);
If Length(JM^.MsgSubj) > 0 Then Begin
If IsFileReq Then
AddSubField(11, JM^.MsgSubj)
Else
AddSubField(6, JM^.MsgSubj);
End;
If ((JM^.Dest.Zone <> 0) or (JM^.Dest.Net <> 0) or
(JM^.Dest.Node <> 0) or (JM^.Dest.Point <> 0)) Then
AddSubField(1, AddrType2Str(JM^.Dest));
If ((JM^.Orig.Zone <> 0) or (JM^.Orig.Net <> 0) or
(JM^.Orig.Node <> 0) or (JM^.Orig.Point <> 0)) Then
AddSubField(0, AddrType2Str(JM^.Orig));
JamIdx^[IdxLoc - JM^.IdxStart].MsgToCrc := JamStrCrc(JM^.MsgTo);
Seek (JM^.HdrFile, JamIdx^[IdxLoc - JM^.IdxStart].HdrLoc);
BlockWrite (JM^.HdrFile, MsgHdr^, SizeOf(MsgHdr^.JamHdr) + MsgHdr^.JamHdr.SubFieldLen);
If WriteIdx = 0 Then;
If UnLockMsgBase Then;
End;
*)
Procedure TMsgBaseJAM.EditMsgSave;
Var
iPos : LongInt;
WriteError : Word;
// TmpIdx : JamIdxType;
TmpHdr : JamMsgHdrType;
IdxLoc : LongInt;
Begin
WriteError := 0;
MsgHdr^.JamHdr.TextOfs := FileSize(JM^.TxtFile);
MsgHdr^.JamHdr.TextLen := JM^.TxtPos;
If JM^.TxtBufStart > 0 Then Begin {Write text using buffer file}
iPos := JM^.TxtPos - JM^.TxtBufStart;
BlockWrite(JM^.BufFile, TxtBuf^, iPos);
WriteError := IoResult;
If WriteError = 0 Then Begin
Seek(JM^.BufFile, 0);
WriteError := IoResult;
End;
If WriteError = 0 Then Begin
Seek(JM^.TxtFile, FileSize(JM^.TxtFile));
WriteError := IoResult;
End;
While ((Not Eof(JM^.BufFile)) and (WriteError = 0)) Do Begin {copy buffer file to text file}
BlockRead(JM^.BufFile, TxtBuf^, SizeOf(TxtBuf^), iPos);
WriteError := IoResult;
If WriteError = 0 Then Begin
JM^.TxtBufStart := FilePos(JM^.TxtFile);
JM^.TxtRead := iPos;
BlockWrite(JM^.TxtFile, TxtBuf^, iPos);
Error := IoResult;
End;
End;
Close(JM^.BufFile);
Error := IoResult;
Erase(JM^.BufFile);
Error := IoResult;
End Else Begin {Write text using TxtBuf only}
Seek(JM^.Txtfile, FileSize(JM^.TxtFile));
WriteError := IoResult;
If WriteError = 0 Then Begin
BlockWrite(JM^.TxtFile, TxtBuf^, JM^.TxtPos);
WriteError := IoResult;
JM^.TxtRead := JM^.TxtPos;
End;
End;
If WriteError = 0 Then Begin {Add subfields as needed}
If Length(JM^.MsgTo) > 0 Then AddSubField(3, JM^.MsgTo);
If Length(JM^.MsgFrom) > 0 Then AddSubField(2, JM^.MsgFrom);
If Length(JM^.MsgSubj) > 0 Then Begin
If IsFileReq Then
AddSubField(11, JM^.MsgSubj)
Else
AddSubField(6, JM^.MsgSubj);
End;
If ((JM^.Dest.Zone <> 0) or (JM^.Dest.Net <> 0) or
(JM^.Dest.Node <> 0) or (JM^.Dest.Point <> 0)) Then
AddSubField(1, Addr2Str(JM^.Dest));
If ((JM^.Orig.Zone <> 0) or (JM^.Orig.Net <> 0) or
(JM^.Orig.Node <> 0) or (JM^.Orig.Point <> 0)) Then
AddSubField(0, Addr2Str(JM^.Orig));
WriteError := IoResult;
End;
ReReadIdx(IdxLoc);
(* new shit begin *)
TmpHdr := MsgHdr^.JamHdr;
TmpHdr.TextLen := 0;
TmpHdr.Attr1 := Jam_Deleted;
Seek (JM^.HdrFile, JamIdx^[IdxLoc - JM^.IdxStart].HdrLoc);
BlockWrite (JM^.HdrFile, TmpHdr, SizeOf(TmpHdr));
(* new shit end *)
JamIdx^[IdxLoc - JM^.IdxStart].HdrLoc := FileSize(JM^.HdrFile);
JamIdx^[IdxLoc - JM^.IdxStart].MsgToCrc := JamStrCrc(JM^.MsgTo);
Seek (JM^.HdrFile, FileSize(JM^.HdrFile));
BlockWrite (JM^.HdrFile, MsgHdr^, SizeOf(MsgHdr^.JamHdr) + MsgHdr^.JamHdr.SubFieldLen);
WriteIdx;
UnLockMsgBase;
End;
Function TMsgBaseJAM.WriteMsg: Word;
Var
DT: DateTime;
WriteError: Word;
i: longint;
TmpIdx: JamIdxType;
Begin
WriteError := 0;
If LastSoft Then Begin
DoChar(#13);
DoChar(#10);
End;
If WriteError = 0 Then Begin
MsgHdr^.JamHdr.Signature[1] := 'J';{Set signature}
MsgHdr^.JamHdr.Signature[2] := 'A';
MsgHdr^.JamHdr.Signature[3] := 'M';
MsgHdr^.JamHdr.Signature[4] := #0;
Case JM^.MailType of
mmtNormal : SetAttr1 (Jam_TypeLocal, True);
mmtEchoMail : SetAttr1 (Jam_TypeEcho, True);
mmtNetMail : SetAttr1 (Jam_TypeNet, True);
End;
MsgHdr^.JamHdr.Rev := 1;
MsgHdr^.JamHdr.DateArrived := DateDos2Unix(CurDateDos); {Get date processed}
DT.Year := strS2I(Copy(JM^.MsgDate, 7, 2)); {Convert date written}
DT.Month := strS2I(Copy(JM^.MsgDate, 1, 2));
DT.Day := strS2I(Copy(JM^.MsgDate, 4, 2));
If DT.Year < 80 Then
Inc(DT.Year, 2000)
Else
Inc(DT.Year, 1900);
DT.Sec := 0;
DT.Hour := strS2I(Copy(JM^.MsgTime, 1, 2));
DT.Min := strS2I(Copy(JM^.MsgTime, 4, 2));
MsgHdr^.JamHdr.DateWritten := DateDT2Unix(DT);
End;
If WriteError = 0 Then Begin {Lock message base for update}
If Not LockMsgBase Then
WriteError := 5;
End;
If WriteError = 0 Then Begin {Handle message text}
MsgHdr^.JamHdr.TextOfs := FileSize(JM^.TxtFile);
MsgHdr^.JamHdr.MsgNum := GetHighMsgNum + 1;
MsgHdr^.Jamhdr.TextLen := JM^.TxtPos;
If JM^.TxtBufStart > 0 Then Begin {Write text using buffer file}
i := JM^.TxtPos - JM^.TxtBufStart;
BlockWrite(JM^.BufFile, TxtBuf^, i); {write buffer to file}
WriteError := IoResult;
If WriteError = 0 Then Begin {seek start of buffer file}
Seek(JM^.BufFile, 0);
WriteError := IoResult;
End;
If WriteError = 0 Then Begin {seek end of text file}
Seek(JM^.TxtFile, FileSize(JM^.TxtFile));
WriteError := IoResult;
End;
While ((Not Eof(JM^.BufFile)) and (WriteError = 0)) Do Begin {copy buffer file to text file}
BlockRead(JM^.BufFile, TxtBuf^, SizeOf(TxtBuf^), i);
WriteError := IoResult;
If WriteError = 0 Then Begin
JM^.TxtBufStart := FilePos(JM^.TxtFile);
JM^.TxtRead := i;
BlockWrite(JM^.TxtFile, TxtBuf^, i);
Error := IoResult;
End;
End;
Close(JM^.BufFile);
Error := IoResult;
Erase(JM^.BufFile);
Error := IoResult;
End Else Begin {Write text using TxtBuf only}
Seek(JM^.Txtfile, FileSize(JM^.TxtFile));
WriteError := IoResult;
If WriteError = 0 Then
Begin
BlockWrite(JM^.TxtFile, TxtBuf^, JM^.TxtPos);
WriteError := IoResult;
JM^.TxtRead := JM^.TxtPos;
End;
End;
If WriteError = 0 Then {Add index record}
Begin
TmpIdx.HdrLoc := FileSize(JM^.HdrFile);
TmpIdx.MsgToCrc := JamStrCrc(JM^.MsgTo);
Seek(JM^.IdxFile, FileSize(JM^.IdxFile));
WriteError := IoResult;
End;
If WriteError = 0 Then {write index record}
Begin
BlockWrite(JM^.IdxFile, TmpIdx, 1);
WriteError := IoResult;
End;
If WriteError = 0 Then Begin {Add subfields as needed}
If Length(JM^.MsgTo) > 0 Then AddSubField(3, JM^.MsgTo);
If Length(JM^.MsgFrom) > 0 Then AddSubField(2, JM^.MsgFrom);
If Length(JM^.MsgSubj) > 0 Then Begin
If IsFileReq Then
AddSubField(11, JM^.MsgSubj)
Else
AddSubField(6, JM^.MsgSubj);
End;
If ((JM^.Dest.Zone <> 0) or (JM^.Dest.Net <> 0) or
(JM^.Dest.Node <> 0) or (JM^.Dest.Point <> 0)) Then
AddSubField(1, Addr2Str(JM^.Dest));
If ((JM^.Orig.Zone <> 0) or (JM^.Orig.Net <> 0) or
(JM^.Orig.Node <> 0) or (JM^.Orig.Point <> 0)) Then
AddSubField(0, Addr2Str(JM^.Orig));
Seek(JM^.HdrFile, FileSize(JM^.HdrFile)); {Seek to end of .jhr file}
WriteError := IoResult;
End;
If WriteError = 0 Then Begin {write msg header}
BlockWrite(JM^.HdrFile, MsgHdr^, SizeOf(MsgHdr^.JamHdr) +
MsgHdr^.JamHdr.SubFieldLen);
WriteError := IoResult;
End;
If WriteError = 0 Then Begin {update msg base header}
Inc(JM^.BaseHdr.ActiveMsgs);
Inc(JM^.BaseHdr.ModCounter);
End;
If UnLockMsgBase Then; {unlock msg base}
End;
WriteMsg := WriteError; {return result of writing msg}
End;
Function TMsgBaseJAM.GetChar: Char;
Begin
If JM^.TxtPos < 0 Then Begin
GetChar := JM^.TxtSubBuf[JM^.TxtSubChars + JM^.TxtPos];
Inc(JM^.TxtPos);
If JM^.TxtPos >= 0 Then
JM^.TxtPos := MsgHdr^.JamHdr.TextOfs;
End Else Begin
If ((JM^.TxtPos < JM^.TxtBufStart) Or
(JM^.TxtPos >= JM^.TxtBufStart + JM^.TxtRead)) Then Begin
JM^.TxtBufStart := JM^.TxtPos - 80;
If JM^.TxtBufStart < 0 Then JM^.TxtBufStart := 0;
Seek(JM^.TxtFile, JM^.TxtBufStart);
Error := IoResult;
If Error = 0 Then Begin
BlockRead(JM^.TxtFile, TxtBuf^, SizeOf(TxtBuf^), JM^.TxtRead);
Error := IoResult;
End;
End;
GetChar := TxtBuf^[JM^.TxtPos - JM^.TxtBufStart];
Inc(JM^.TxtPos);
End;
End;
(*
Procedure TMsgBaseJAM.AddTxtSub(St: String);
Var
i: Word;
Begin
For i := 1 to Length(St) Do
Begin
If JM^.TxtSubChars <= TxtSubBufSize Then
Begin
JM^.TxtSubBuf[JM^.TxtSubChars] := St[i];
Inc(JM^.TxtSubChars);
End;
End;
If JM^.TxtSubChars <= TxtSubBufSize Then
Begin
JM^.TxtSubBuf[JM^.TxtSubChars] := #13;
Inc(JM^.TxtSubChars);
End;
End;
*)
Procedure TMsgBaseJAM.MsgStartUp;
Var
SubCtr: LongInt;
SubPtr: SubFieldPTR;
NumRead: LongInt;
DT: DateTime;
IdxLoc: LongInt;
TmpStr: String;
{ TmpAddr: AddrType;}
Begin
Error := 0;
LastSoft := False;
JM^.MsgFrom := '';
JM^.MsgTo := '';
JM^.MsgSubj := '';
JM^.TxtSubChars := 0;
If SeekFound Then Begin
Error := ReReadIdx(IdxLoc);
If Error = 0 Then Begin
Seek(JM^.HdrFile, JamIdx^[IdxLoc - JM^.IdxStart].HdrLoc);
Error := IoResult;
End;
If Error = 0 Then Begin
BlockRead(JM^.HdrFile, MsgHdr^, SizeOf(MsgHdr^), NumRead);
Error := IoResult;
End;
If Error = 0 Then Begin
DT := DateUnix2DT(MsgHdr^.JamHdr.DateWritten);
JM^.MsgDate := strZero(DT.Month) + '-' + strZero(DT.Day) + '-' + Copy(strI2S(DT.Year), 3, 2);
JM^.MsgTime := strZero(DT.Hour) + ':' + strZero(DT.Min);
SubCtr := 1;
While ((SubCtr <= MsgHdr^.JamHdr.SubFieldLen) and (SubCtr < JamSubBufSize)) Do
Begin
SubPtr := SubFieldPTR(@MsgHdr^.SubBuf[SubCtr]);
Inc(SubCtr, SubPtr^.DataLen + 8);
Case(SubPtr^.LoId) Of
0: Begin {Orig}
FillChar(JM^.Orig, SizeOf(JM^.Orig), #0);
TmpStr[0] := Chr(SubPtr^.DataLen and $ff);
If Ord(TmpStr[0]) > 128 Then TmpStr[0] := #128;
Move(SubPtr^.Data, TmpStr[1], Ord(TmpStr[0]));
If Str2Addr(TmpStr, JM^.Orig) Then;
End;
1: Begin {Dest}
FillChar(JM^.Dest, SizeOf(JM^.Dest), #0);
TmpStr[0] := Chr(SubPtr^.DataLen and $ff);
If Ord(TmpStr[0]) > 128 Then
TmpStr[0] := #128;
Move(SubPtr^.Data, TmpStr[1], Ord(TmpStr[0]));
If Str2Addr(TmpStr, JM^.Dest) Then;
End;
2: Begin {MsgFrom}
JM^.MsgFrom[0] := Chr(SubPtr^.DataLen and $ff);
If Ord(JM^.MsgFrom[0]) > 65 Then
JM^.MsgFrom[0] := #65;
Move(SubPtr^.Data, JM^.MsgFrom[1], Ord(JM^.MsgFrom[0]));
End;
3: Begin {MsgTo}
JM^.MsgTo[0] := Chr(SubPtr^.DataLen and $ff);
If Ord(JM^.MsgTo[0]) > 65 Then JM^.MsgTo[0] := #65;
Move(SubPtr^.Data, JM^.MsgTo[1], Ord(JM^.MsgTo[0]));
End;
(*
4: Begin {MsgId}
TmpStr[0] := Chr(SubPtr^.DataLen and $ff);
If Ord(TmpStr[0]) > 240 Then
TmpSTr[0] := #240;
Move(SubPtr^.Data, TmpStr[1], Ord(TmpStr[0]));
AddTxtSub(#1'MSGID: ' + TmpStr);
End;
*)
(*
5: Begin {Reply}
TmpStr[0] := Chr(SubPtr^.DataLen and $ff);
If Ord(TmpStr[0]) > 240 Then
TmpSTr[0] := #240;
Move(SubPtr^.Data, TmpStr[1], Ord(TmpStr[0]));
AddTxtSub(#1'REPLY: ' + TmpStr);
End;
*)
6: Begin {MsgSubj}
JM^.MsgSubj[0] := Chr(SubPtr^.DataLen and $ff);
If Ord(JM^.MsgSubj[0]) > 100 Then
JM^.MsgSubj[0] := #100;
Move(SubPtr^.Data, JM^.MsgSubj[1], Ord(JM^.MsgSubj[0]));
End;
(*
7: Begin {PID}
TmpStr[0] := Chr(SubPtr^.DataLen and $ff);
If Ord(TmpStr[0]) > 240 Then
TmpSTr[0] := #240;
Move(SubPtr^.Data, TmpStr[1], Ord(TmpStr[0]));
AddTxtSub(#1'PID: ' + TmpStr);
End;
*)
(*
8: Begin {VIA}
TmpStr[0] := Chr(SubPtr^.DataLen and $ff);
If Ord(TmpStr[0]) > 240 Then
TmpSTr[0] := #240;
Move(SubPtr^.Data, TmpStr[1], Ord(TmpStr[0]));
AddTxtSub(#1'Via ' + TmpStr);
End;
*)
9: Begin {File attached}
If IsFAttach Then Begin
JM^.MsgSubj[0] := Chr(SubPtr^.DataLen and $ff);
If Ord(JM^.MsgSubj[0]) > 100 Then
JM^.MsgSubj[0] := #100;
Move(SubPtr^.Data, JM^.MsgSubj[1], Ord(JM^.MsgSubj[0]));
End
End;
11: Begin {File request}
If IsFileReq Then
Begin
JM^.MsgSubj[0] := Chr(SubPtr^.DataLen and $ff);
If Ord(JM^.MsgSubj[0]) > 100 Then
JM^.MsgSubj[0] := #100;
Move(SubPtr^.Data, JM^.MsgSubj[1], Ord(JM^.MsgSubj[0]));
End
End;
(*
2000: Begin {Unknown kludge}
TmpStr[0] := Chr(SubPtr^.DataLen and $ff);
If Ord(TmpStr[0]) > 240 Then
TmpSTr[0] := #240;
Move(SubPtr^.Data, TmpStr[1], Ord(TmpStr[0]));
AddTxtSub(#1 + TmpStr);
End;
*)
(*
2001: Begin {SEEN-BY}
TmpStr[0] := Chr(SubPtr^.DataLen and $ff);
If Ord(TmpStr[0]) > 240 Then
TmpSTr[0] := #240;
Move(SubPtr^.Data, TmpStr[1], Ord(TmpStr[0]));
AddTxtSub(#1'SEEN-BY: ' + TmpStr);
End;
*)
(*
2002: Begin {PATH}
TmpStr[0] := Chr(SubPtr^.DataLen and $ff);
If Ord(TmpStr[0]) > 240 Then
TmpSTr[0] := #240;
Move(SubPtr^.Data, TmpStr[1], Ord(TmpStr[0]));
AddTxtSub(#1'PATH: ' + TmpStr);
End;
*)
(*
2003: Begin {FLAGS}
TmpStr[0] := Chr(SubPtr^.DataLen and $ff);
If Ord(TmpStr[0]) > 240 Then
TmpSTr[0] := #240;
Move(SubPtr^.Data, TmpStr[1], Ord(TmpStr[0]));
AddTxtSub(#1'FLAGS: ' + TmpStr);
End;
*)
End;
End;
End;
End;
End;
Procedure TMsgBaseJAM.MsgTxtStartUp;
Begin
LastSoft := False;
JM^.TxtEnd := MsgHdr^.JamHdr.TextOfs + MsgHdr^.JamHdr.TextLen - 1;
If JM^.TxtSubChars > 0 Then
JM^.TxtPos := - JM^.TxtSubChars
Else
JM^.TxtPos := MsgHdr^.JamHdr.TextOfs;
End;
Function TMsgBaseJAM.GetString (MaxLen: Word) : String;
Var
WPos : LongInt;
WLen : Byte;
StrDone : Boolean;
StartSoft : Boolean;
CurrLen : Word;
TmpCh : Char;
Begin
StrDone := False;
CurrLen := 0;
WPos := 0;
WLen := 0;
StartSoft := LastSoft;
LastSoft := True;
TmpCh := GetChar;
While ((Not StrDone) And (CurrLen <= MaxLen) And (Not EOM)) Do Begin
Case TmpCh of
#$00: ;
#$0d: Begin
StrDone := True;
LastSoft := False;
End;
#$8d: ;
#$0a: ;
#$20: Begin
If ((CurrLen <> 0) or (Not StartSoft)) Then Begin
Inc(CurrLen);
WLen := CurrLen;
GetString[CurrLen] := TmpCh;
WPos := JM^.TxtPos;
End Else
StartSoft := False;
End;
Else
Inc(CurrLen);
GetString[CurrLen] := TmpCh;
End;
If Not StrDone Then
TmpCh := GetChar;
End;
If StrDone Then Begin
GetString[0] := Chr(CurrLen);
End Else
If EOM Then Begin
GetString[0] := Chr(CurrLen);
End Else Begin
If WLen = 0 Then Begin
GetString[0] := Chr(CurrLen);
Dec(JM^.TxtPos);
End Else Begin
GetString[0] := Chr(WLen);
JM^.TxtPos := WPos;
End;
End;
End;
Function TMsgBaseJAM.EOM: Boolean;
Begin
EOM := (((JM^.TxtPos < MsgHdr^.JamHdr.TextOfs) Or
(JM^.TxtPos > JM^.TxtEnd)) And (JM^.TxtPos >= 0));
End;
(*
Function TMsgBaseJAM.WasWrap: Boolean;
Begin
WasWrap := LastSoft;
End;
*)
Function TMsgBaseJAM.GetFrom: String; {Get from name on current msg}
Begin
GetFrom := JM^.MsgFrom;
End;
Function TMsgBaseJAM.GetTo: String; {Get to name on current msg}
Begin
GetTo := JM^.MsgTo;
End;
Function TMsgBaseJAM.GetSubj: String; {Get subject on current msg}
Begin
GetSubj := JM^.MsgSubj;
End;
//Function TMsgBaseJAM.GetCost: Word; {Get cost of current msg}
//Begin
// GetCost := MsgHdr^.JamHdr.Cost;
//End;
Function TMsgBaseJAM.GetDate: String; {Get date of current msg}
Begin
GetDate := JM^.MsgDate;
End;
Function TMsgBaseJAM.GetTime: String; {Get time of current msg}
Begin
GetTime := JM^.MsgTime;
End;
Function TMsgBaseJAM.GetRefer: LongInt; {Get reply to of current msg}
Begin
GetRefer := MsgHdr^.JamHdr.ReplyTo;
End;
Function TMsgBaseJAM.GetSeeAlso: LongInt; {Get see also of current msg}
Begin
GetSeeAlso := MsgHdr^.JamHdr.ReplyFirst;
End;
Function TMsgBaseJAM.GetMsgNum: LongInt; {Get message number}
Begin
GetMsgNum := MsgHdr^.JamHdr.MsgNum;
End;
Function TMsgBaseJAM.GetOrigAddr : RecEchoMailAddr;
Begin
Result := JM^.Orig;
End;
Function TMsgBaseJAM.GetDestAddr : RecEchoMailAddr;
Begin
Result := JM^.Dest;
End;
Procedure TMsgBaseJAM.GetOrig(Var Addr: RecEchoMailAddr); {Get origin address}
Begin
Addr := JM^.Orig;
End;
Procedure TMsgBaseJAM.GetDest(Var Addr: RecEchoMailAddr); {Get destination address}
Begin
Addr := JM^.Dest;
End;
Function TMsgBaseJAM.GetTextLen : LongInt; {returns length of text in msg}
Begin
GetTextLen := MsgHdr^.JamHdr.TextLen;
End;
Function TMsgBaseJAM.IsLocal: Boolean; {Is current msg local}
Begin
IsLocal := (MsgHdr^.JamHdr.Attr1 and Jam_Local) <> 0;
End;
Function TMsgBaseJAM.IsCrash: Boolean; {Is current msg crash}
Begin
IsCrash := (MsgHdr^.JamHdr.Attr1 and Jam_Crash) <> 0;
End;
Function TMsgBaseJAM.IsKillSent: Boolean; {Is current msg kill sent}
Begin
IsKillSent := (MsgHdr^.JamHdr.Attr1 and Jam_KillSent) <> 0;
End;
Function TMsgBaseJAM.IsSent: Boolean; {Is current msg sent}
Begin
IsSent := (MsgHdr^.JamHdr.Attr1 and Jam_Sent) <> 0;
End;
Function TMsgBaseJAM.IsFAttach: Boolean; {Is current msg file attach}
Begin
IsFAttach := (MsgHdr^.JamHdr.Attr1 and Jam_FAttch) <> 0;
End;
//Function TMsgBaseJAM.IsReqRct: Boolean; {Is current msg request receipt}
// Begin
// IsReqRct := (MsgHdr^.JamHdr.Attr1 and Jam_RcptReq) <> 0;
// End;
//Function TMsgBaseJAM.IsReqAud: Boolean; {Is current msg request audit}
// Begin
// IsReqAud := (MsgHdr^.JamHdr.Attr1 and Jam_ConfmReq) <> 0;
// End;
//Function TMsgBaseJAM.IsRetRct: Boolean; {Is current msg a return receipt}
// Begin
// IsRetRct := False;
// End;
Function TMsgBaseJAM.IsFileReq: Boolean; {Is current msg a file request}
Begin
IsFileReq := (MsgHdr^.JamHdr.Attr1 and Jam_Freq) <> 0;
End;
Function TMsgBaseJAM.IsRcvd: Boolean; {Is current msg received}
Begin
IsRcvd := (MsgHdr^.JamHdr.Attr1 and Jam_Rcvd) <> 0;
End;
Function TMsgBaseJAM.IsPriv: Boolean; {Is current msg priviledged/private}
Begin
IsPriv := (MsgHdr^.JamHdr.Attr1 and Jam_Priv) <> 0;
End;
Function TMsgBaseJAM.IsDeleted: Boolean; {Is current msg deleted}
Begin
IsDeleted := (MsgHdr^.JamHdr.Attr1 and Jam_Deleted) <> 0;
End;
//Function TMsgBaseJAM.IsEchoed: Boolean; {Is current msg echoed}
//Begin
// IsEchoed := True;
//End;
Procedure TMsgBaseJAM.SeekFirst(MsgNum: LongInt); {Start msg seek}
Begin
JM^.CurrMsgNum := MsgNum - 1;
If JM^.CurrMsgNum < (JM^.BaseHdr.BaseMsgNum - 1) Then
JM^.CurrMsgNum := JM^.BaseHdr.BaseMsgNum - 1;
SeekNext;
End;
Procedure TMsgBaseJAM.SeekNext; {Find next matching msg}
Var
IdxLoc: LongInt;
Begin
If JM^.CurrMsgNum <= GetHighMsgNum Then
Inc (JM^.CurrMsgNum);
Error := ReReadIdx(IdxLoc);
While (((JamIdx^[IdxLoc - JM^.IdxStart].HdrLoc < 0) or (JamIdx^[IdxLoc - JM^.IdxStart].MsgToCrc = -1)) And (JM^.CurrMsgNum <= GetHighMsgNum)) Do Begin
Inc (JM^.CurrMsgNum);
Error := ReReadIdx(IdxLoc);
End;
End;
Procedure TMsgBaseJAM.SeekPrior;
Var
IdxLoc: LongInt;
Begin
If JM^.CurrMsgNum >= JM^.BaseHdr.BaseMsgNum Then
Dec(JM^.CurrMsgNum);
Error := ReReadIdx(IdxLoc);
If JM^.CurrMsgNum >= JM^.BaseHdr.BaseMsgNum Then
While (IdxLoc >= 0) And (((JamIdx^[IdxLoc - JM^.IdxStart].HdrLoc < 0) or (JamIdx^[IdxLoc - JM^.IdxStart].MsgToCrc = -1)) And (JM^.CurrMsgNum >= JM^.BaseHdr.BaseMsgNum)) Do Begin
Dec (JM^.CurrMsgNum);
Error := ReReadIdx(IdxLoc);
End;
End;
Function TMsgBaseJAM.SeekFound: Boolean;
Begin
SeekFound := ((JM^.CurrMsgNum >= JM^.BaseHdr.BaseMsgNum) and (JM^.CurrMsgNum <= GetHighMsgNum));
End;
Function TMsgBaseJAM.GetMsgLoc: LongInt; {Msg location}
Begin
GetMsgLoc := GetMsgNum;
End;
Procedure TMsgBaseJAM.SetMsgLoc(ML: LongInt); {Msg location}
Begin
JM^.CurrMsgNum := ML;
End;
(*
Procedure TMsgBaseJAM.YoursFirst (Name: String; Handle: String);
Begin
JM^.YourName := Name;
JM^.YourHdl := Handle;
JM^.NameCrc := JamStrCrc(Name);
JM^.HdlCrc := JamStrCrc(Handle);
JM^.CurrMsgNum := JM^.BaseHdr.BaseMsgNum - 1;
YoursNext;
End;
Procedure TMsgBaseJAM.YoursNext;
Var
Found : Boolean;
IdxLoc : LongInt;
NumRead : LongInt;
SubCtr : LongInt;
SubPtr : SubFieldPTR;
Begin
Error := 0;
Found := False;
Inc(JM^.CurrMsgNum);
While ((Not Found) and (JM^.CurrMsgNum <= GetHighMsgNum) And (Error = 0)) Do Begin
Error := ReReadIdx(IdxLoc);
If Error = 0 Then Begin {Check CRC values}
If ((JamIdx^[IdxLoc - JM^.IdxStart].MsgToCrc = JM^.NameCrc) or
(JamIdx^[IdxLoc - JM^.IdxStart].MsgToCrc = JM^.HdlCrc)) Then Begin
Seek(JM^.HdrFile, JamIdx^[IdxLoc - JM^.IdxStart].HdrLoc);
Error := IoResult;
If Error = 0 Then {Read message header}
Begin
BlockRead(JM^.HdrFile, MsgHdr^, SizeOf(MsgHdr^), NumRead);
Error := IoResult;
End;
If ((Error = 0) and (Not IsRcvd)) Then Begin
SubCtr := 1;
While ((SubCtr <= MsgHdr^.JamHdr.SubFieldLen) and
(SubCtr < JamSubBufSize)) Do Begin
SubPtr := SubFieldPTR(@MsgHdr^.SubBuf[SubCtr]);
Inc(SubCtr, SubPtr^.DataLen + 8);
Case(SubPtr^.LoId) Of
3: Begin {MsgTo}
JM^.MsgTo[0] := Chr(SubPtr^.DataLen and $ff);
If Ord(JM^.MsgTo[0]) > 65 Then
JM^.MsgTo[0] := #65;
Move(SubPtr^.Data, JM^.MsgTo[1], Ord(JM^.MsgTo[0]));
If ((strUpper(JM^.MsgTo) = strUpper(JM^.YourName)) Or
(strUpper(JM^.MsgTo) = strUpper(JM^.YourHdl))) Then
Found := True;
End;
End;
End;
End;
End;
End;
If (Not Found) Then
Inc(JM^.CurrMsgNum);
End;
End;
Function TMsgBaseJAM.YoursFound: Boolean;
Begin
YoursFound := ((JM^.CurrMsgNum >= JM^.BaseHdr.BaseMsgNum) and (JM^.CurrMsgNum <= GetHighMsgNum));
End;
*)
Procedure TMsgBaseJAM.StartNewMsg;
Begin
JM^.TxtBufStart := 0;
JM^.TxtPos := 0;
FillChar(MsgHdr^, SizeOf(MsgHdr^), #0);
MsgHdr^.JamHdr.SubFieldLen := 0;
MsgHdr^.JamHdr.MsgIdCrc := -1;
MsgHdr^.JamHdr.ReplyCrc := -1;
MsgHdr^.JamHdr.PwdCrc := -1;
JM^.MsgTo := '';
JM^.MsgFrom := '';
JM^.MsgSubj := '';
FillChar(JM^.Orig, SizeOf(JM^.Orig), #0);
FillChar(JM^.Dest, SizeOf(JM^.Dest), #0);
JM^.MsgDate := DateDos2Str(CurDateDos, 1);
JM^.MsgTime := TimeDos2Str(CurDateDos, 0);
End;
//Function TMsgBaseJAM.MsgBaseExists: Boolean;
// Begin
// MsgBaseExists := (FileExist(JM^.MsgPath + '.jhr'));
// End;
Function TMsgBaseJAM.ReadIdx: Word;
Begin
If JM^.IdxStart < 0 Then JM^.IdxStart := 0;
Seek (JM^.IdxFile, JM^.IdxStart);
BlockRead (JM^.IdxFile, JamIdx^, JamIdxBufSize, JM^.IdxRead);
ReadIdx := IoResult;
End;
Function TMsgBaseJAM.WriteIdx: Word;
Begin
Seek (JM^.IdxFile, JM^.IdxStart);
BlockWrite (JM^.IdxFile, JamIdx^, JM^.IdxRead);
WriteIdx := IoResult;
End;
Function TMsgBaseJAM.OpenMsgBase: Boolean;
Var
OpenError : Word;
Begin
OpenError := 0;
JM^.LockCount := 0;
Assign(JM^.HdrFile, JM^.MsgPath + '.jhr');
Assign(JM^.TxtFile, JM^.MsgPath + '.jdt');
Assign(JM^.IdxFile, JM^.MsgPath + '.jdx');
FileMode := fmReadWrite + fmDenyNone;
Reset(JM^.HdrFile, 1);
OpenError := IoResult;
If OpenError = 0 Then Begin
Seek(JM^.HdrFile, 1);
BlockRead(JM^.HdrFile, JM^.BaseHdr.Signature[2] , SizeOf(JM^.BaseHdr) - 1);
OpenError := IoResult;
End;
If OpenError = 0 Then Begin
FileMode := fmReadWrite + fmDenyNone;
Reset(JM^.TxtFile, 1);
OpenError := IoResult;
End;
If OpenError = 0 Then Begin
FileMode := fmReadWrite + fmDenyNone;
Reset(JM^.IdxFile, SizeOf(JamIdxType));
OpenError := IoResult;
End;
JM^.IdxStart := -10;
JM^.IdxRead := 0;
JM^.TxtBufStart := - 10;
JM^.TxtRead := 0;
OpenMsgBase := (OpenError = 0);
End;
Procedure TMsgBaseJAM.CloseMsgBase;
Begin
Close (JM^.HdrFile);
Close (JM^.TxtFile);
Close (JM^.IdxFile);
End;
Function TMsgBaseJAM.CreateMsgBase (MaxMsg: Word; MaxDays: Word): Boolean;
Var
TmpHdr : ^JamHdrType;
CreateError : Word;
Begin
CreateError := 0;
New(TmpHdr);
If TmpHdr = Nil Then
CreateError := 500
Else Begin;
FillChar(TmpHdr^, SizeOf(TmpHdr^), #0);
TmpHdr^.Signature[1] := 'J';
TmpHdr^.Signature[2] := 'A';
TmpHdr^.Signature[3] := 'M';
TmpHdr^.BaseMsgNum := 1;
TmpHdr^.Created := DateDos2Unix(CurDateDos);
TmpHdr^.PwdCrc := -1;
CreateError := SaveFilePos(JM^.MsgPath + '.jhr', TmpHdr^, SizeOf(TmpHdr^), 0);
Dispose(TmpHdr);
If CreateError = 0 Then
CreateError := SaveFilePos(JM^.MsgPath + '.jlr', CreateError, 0, 0);
If CreateError = 0 Then
CreateError := SaveFilePos(JM^.MsgPath + '.jdt', CreateError, 0, 0);
If CreateError = 0 Then
CreateError := SaveFilePos(JM^.MsgPath + '.jdx', CreateError , 0, 0);
If IoResult <> 0 Then;
End;
CreateMsgBase := CreateError = 0;
End;
Procedure TMsgBaseJAM.SetMailType(MT: MsgMailType);
Begin
JM^.MailType := MT;
End;
//Function TMsgBaseJAM.GetSubArea: Word;
//Begin
// GetSubArea := 0;
//End;
Procedure TMsgBaseJAM.ReWriteHdr;
Var
IdxLoc : LongInt;
Begin
If LockMsgBase Then
Error := 0
Else
Error := 5;
Error := ReReadIdx(IdxLoc);
If Error = 0 Then Begin
Seek (JM^.HdrFile, JamIdx^[IdxLoc - JM^.IdxStart].HdrLoc);
Error := IoResult;
End;
If Error = 0 Then Begin
BlockWrite (JM^.HdrFile, MsgHdr^.JamHdr, SizeOf(MsgHdr^.JamHdr));
Error := IoResult;
End;
UnLockMsgBase;
End;
Procedure TMsgBaseJAM.DeleteMsg;
Var
DelError : Word;
IdxLoc : LongInt;
Begin
If Not IsDeleted Then Begin
If LockMsgBase Then
DelError := 0
Else
DelError := 5;
If DelError = 0 Then Begin
SetAttr1 (Jam_Deleted, True);
Dec (JM^.BaseHdr.ActiveMsgs);
DelError := ReReadIdx(IdxLoc);
End;
If DelError = 0 Then ReWriteHdr;
If DelError = 0 Then Begin
Inc(JM^.BaseHdr.ModCounter);
JamIdx^[IdxLoc - JM^.IdxStart].MsgToCrc := -1;
JamIdx^[IdxLoc - JM^.IdxStart].HdrLoc := -1;
WriteIdx;
End;
UnLockMsgBase;
End;
End;
Function TMsgBaseJAM.NumberOfMsgs: LongInt;
Begin
NumberOfMsgs := JM^.BaseHdr.ActiveMsgs;
End;
Function TMsgBaseJAM.FindLastRead (Var LastFile: File; UNum: LongInt): LongInt;
Const
LastSize = 100;
Type
LastArray = Array[1..LastSize] of JamLastType;
Var
LastBuf : ^LastArray;
LastError : Word;
NumRead : LongInt;
Found : Boolean;
Count : Word;
LastStart : LongInt;
Begin
FindLastRead := -1;
Found := False;
New (LastBuf);
Seek (LastFile, 0);
LastError := IoResult;
While ((Not Eof(LastFile)) and (LastError = 0) And (Not Found)) Do Begin
LastStart := FilePos(LastFile);
BlockRead (LastFile, LastBuf^, LastSize, NumRead);
LastError := IoResult;
For Count := 1 to NumRead Do Begin
If LastBuf^[Count].UserNum = UNum Then Begin
Found := True;
FindLastRead := LastStart + Count - 1;
End;
End;
End;
Dispose (LastBuf);
End;
Function TMsgBaseJAM.GetLastRead (UNum: LongInt) : LongInt;
Var
RecNum : LongInt;
LastFile : File;
TmpLast : JamLastType;
Begin
Assign (LastFile, JM^.MsgPath + '.jlr');
FileMode := fmReadWrite + fmDenyNone;
Reset (LastFile, SizeOf(JamLastType));
Error := IoResult;
RecNum := FindLastRead(LastFile, UNum);
If RecNum >= 0 Then Begin
Seek (LastFile, RecNum);
If Error = 0 Then Begin
BlockRead (LastFile, TmpLast, 1);
Error := IoResult;
GetLastRead := TmpLast.HighRead;
End;
End Else
GetLastRead := 0;
Close (LastFile);
Error := IoResult;
End;
Procedure TMsgBaseJAM.SetLastRead (UNum: LongInt; LR: LongInt);
Var
RecNum : LongInt;
LastFile : File;
TmpLast : JamLastType;
Begin
Assign (LastFile, JM^.MsgPath + '.jlr');
FileMode := fmReadWrite + fmDenyNone;
Reset (LastFile, SizeOf(JamLastType));
Error := IoResult;
If Error <> 0 Then ReWrite(LastFile, SizeOf(JamLastType));
Error := IoResult;
RecNum := FindLastRead(LastFile, UNum);
If RecNum >= 0 Then Begin
Seek (LastFile, RecNum);
If Error = 0 Then Begin
BlockRead (LastFile, TmpLast, 1);
Error := IoResult;
TmpLast.HighRead := LR;
TmpLast.LastRead := LR;
If Error = 0 Then Begin
Seek (LastFile, RecNum);
Error := IoResult;
End;
If Error = 0 Then Begin
BlockWrite (LastFile, TmpLast, 1);
Error := IoResult;
End;
End;
End Else Begin
TmpLast.UserNum := UNum;
TmpLast.HighRead := Lr;
TmpLast.NameCrc := UNum;
TmpLast.LastRead := Lr;
Seek (LastFile, FileSize(LastFile));
Error := IoResult;
If Error = 0 Then Begin
BlockWrite (LastFile, TmpLast, 1);
Error := IoResult;
End;
End;
Close (LastFile);
Error := IoResult;
End;
Function TMsgBaseJAM.GetTxtPos : LongInt;
Begin
GetTxtPos := JM^.TxtPos;
End;
Procedure TMsgBaseJAM.SetTxtPos (TP: LongInt);
Begin
JM^.TxtPos := TP;
End;
Function TMsgBaseJAM.LockMsgBase: Boolean;
Var
LockError: Word;
Begin
LockError := 0;
If JM^.LockCount = 0 Then Begin
If LockError = 0 Then Begin
// LockError := shLock(JM^.HdrFile, 0, 1);
End;
If LockError = 0 Then Begin
Seek(JM^.HdrFile, 0);
LockError := IoResult;
End;
If LockError = 0 Then Begin
BlockRead(JM^.HdrFile, JM^.BaseHdr , SizeOf(JM^.BaseHdr));
LockError := IoResult;
End;
End;
Inc (JM^.LockCount);
LockMsgBase := (LockError = 0);
End;
Function TMsgBaseJAM.UnLockMsgBase: Boolean;
Var
LockError: Word;
Begin
LockError := 0;
If JM^.LockCount > 0 Then Dec(JM^.LockCount);
If JM^.LockCount = 0 Then Begin
If LockError = 0 Then Begin
// LockError := UnLockFile(JM^.HdrFile, 0, 1);
End;
If LockError = 0 Then Begin
Seek(JM^.HdrFile, 0);
LockError := IoResult;
End;
If LockError = 0 Then Begin
BlockWrite(JM^.HdrFile, JM^.BaseHdr, SizeOf(JM^.BaseHdr));
LockError := IoResult;
End;
End;
UnLockMsgBase := (LockError = 0);
End;
Procedure TMsgBaseJAM.SetNextSeeAlso(SAlso: LongInt);
Begin
MsgHdr^.JamHdr.ReplyNext := SAlso;
End;
Function TMsgBaseJAM.GetNextSeeAlso: LongInt; {Get next see also of current msg}
Begin
GetNextSeeAlso := MsgHdr^.JamHdr.ReplyNext;
End;
Function TMsgBaseJAM.ReReadIdx (Var IdxLoc : LongInt) : Word;
Begin
ReReadIdx := 0;
IdxLoc := JM^.CurrMsgNum - JM^.BaseHdr.BaseMsgNum;
If ((IdxLoc < JM^.IdxStart) OR (IdxLoc >= (JM^.IdxStart + JM^.IdxRead))) Then Begin
JM^.IdxStart := IdxLoc - 30;
If JM^.IdxStart < 0 Then JM^.IdxStart := 0;
ReReadIdx := ReadIdx;
End;
End;
End.