hutil32.pas

乐都SQL版传奇全套代码,绝对可编译

    Result := True
  else
    Result := False;
end;

function IsStringNumber(Str: string): Boolean;
var
  I                 : Integer;
begin
  Result := True;
  for I := 1 to Length(Str) do
    if (Byte(Str[I]) < Byte('0')) or (Byte(Str[I]) > Byte('9')) then
    begin
      Result := False;
      break;
    end;
end;


{Return : remain string}

function ArrestString(Source, SearchAfter, ArrestBefore: string;
  const DropTags: array of string; var RsltStr: string): string;
const
  BUF_SIZE          = $7FFF;
var
  Buf               : array[0..BUF_SIZE] of char;
  BufCount, SrcCount, SrcLen, {AfterLen, BeforeLen,} DropCount, I: Integer;
  ArrestNow         : Boolean;
begin
  try
    //EnterCriticalSection (CSUtilLock);
    RsltStr := '';                      {result string}
    SrcLen := Length(Source);

    if SrcLen > BUF_SIZE then
    begin
      Result := '';
      exit;
    end;

    BufCount := 0;
    SrcCount := 1;
    ArrestNow := False;
    DropCount := SizeOf(DropTags) div SizeOf(string);

    if (SearchAfter = '') then
      ArrestNow := True;

    //GetMem (Buf, BUF_SIZE);

    while True do
    begin
      if SrcCount > SrcLen then
        break;

      if not ArrestNow then
      begin
        if IsInB(Source, SrcCount, SearchAfter) then
          ArrestNow := True;
      end
      else
      begin
        Buf[BufCount] := Source[SrcCount];
        if IsInB(Source, SrcCount, ArrestBefore) or (BufCount >= BUF_SIZE - 2)
          then
        begin
          BufCount := BufCount - Length(ArrestBefore);
          Buf[BufCount + 1] := #0;
          RsltStr := string(Buf);
          BufCount := 0;
          break;
        end;

        for I := 0 to DropCount - 1 do
        begin
          if IsInB(Source, SrcCount, DropTags[I]) then
          begin
            BufCount := BufCount - Length(DropTags[I]);
            break;
          end;
        end;

        Inc(BufCount);
      end;
      Inc(SrcCount);
    end;

    if (ArrestNow) and (BufCount <> 0) then
    begin
      Buf[BufCount] := #0;
      RsltStr := string(Buf);
    end;

    Result := Copy(Source, SrcCount + 1, SrcLen - SrcCount);  {result is remain string}
  finally
    //LeaveCriticalSection (CSUtilLock);
  end;
end;


function ArrestStringEx(Source, SearchAfter, ArrestBefore: string; var
  ArrestStr: string): string;
var
  BufCount, SrcCount, SrcLen: Integer;
  GoodData, Fin     : Boolean;
  I, n              : Integer;
begin
  ArrestStr := '';                      {result string}
  if Source = '' then
  begin
    Result := '';
    exit;
  end;

  try
    SrcLen := Length(Source);
    GoodData := False;
    if SrcLen >= 2 then
      if Source[1] = SearchAfter then
      begin
        Source := Copy(Source, 2, SrcLen - 1);
        SrcLen := Length(Source);
        GoodData := True;
      end
      else
      begin
        n := Pos(SearchAfter, Source);
        if n > 0 then
        begin
          Source := Copy(Source, n + 1, SrcLen - (n));
          SrcLen := Length(Source);
          GoodData := True;
        end;
      end;
    Fin := False;
    if GoodData then
    begin
      n := Pos(ArrestBefore, Source);
      if n > 0 then
      begin
        ArrestStr := Copy(Source, 1, n - 1);
        Result := Copy(Source, n + 1, SrcLen - n);
      end
      else
      begin
        Result := SearchAfter + Source;
      end;
    end
    else
    begin
      for I := 1 to SrcLen do
      begin
        if Source[I] = SearchAfter then
        begin
          Result := Copy(Source, I, SrcLen - I + 1);
          break;
        end;
      end;
    end;
  except
    ArrestStr := '';
    Result := '';
  end;
end;

function SkipStr(Src: string; const Skips: array of char): string;
var
  I, len, c         : Integer;
  NowSkip           : Boolean;
begin
  len := Length(Src);
  //   Count := sizeof(Skips) div sizeof (Char);

  for I := 1 to len do
  begin
    NowSkip := False;
    for c := Low(Skips) to High(Skips) do
      if Src[I] = Skips[c] then
      begin
        NowSkip := True;
        break;
      end;
    if not NowSkip then
      break;
  end;

  Result := Copy(Src, I, len - I + 1);

end;


function GetStrToCoords(Str: string): TRect;
var
  Temp              : string;
begin

  Str := GetValidStr3(Str, Temp, [',', ' ']);
  Result.Left := Str_ToInt(Temp, 0);
  Str := GetValidStr3(Str, Temp, [',', ' ']);
  Result.Top := Str_ToInt(Temp, 0);
  Str := GetValidStr3(Str, Temp, [',', ' ']);
  Result.Right := Str_ToInt(Temp, 0);
  GetValidStr3(Str, Temp, [',', ' ']);
  Result.Bottom := Str_ToInt(Temp, 0);

end;

function CombineDirFile(SrcDir, TargName: string): string;
begin
  if (SrcDir = '') or (TargName = '') then
  begin
    Result := SrcDir + TargName;
    exit;
  end;
  if SrcDir[Length(SrcDir)] = '\' then
    Result := SrcDir + TargName
  else
    Result := SrcDir + '\' + TargName;
end;

function CompareLStr(Src, targ: string; compn: Integer): Boolean;
var
  I                 : Integer;
begin
  Result := False;
  if compn <= 0 then
    exit;
  if Length(Src) < compn then
    exit;
  if Length(targ) < compn then
    exit;
  Result := True;
  for I := 1 to compn do
    if UpCase(Src[I]) <> UpCase(targ[I]) then
    begin
      Result := False;
      break;
    end;
end;

function CompareBuffer(p1, p2: PByte; len: Integer): Boolean;
var
  I                 : Integer;
begin
  Result := True;
  for I := 0 to len - 1 do
    if PByte(Integer(p1) + I)^ <> PByte(Integer(p2) + I)^ then
    begin
      Result := False;
      break;
    end;
end;

function CompareBackLStr(Src, targ: string; compn: Integer): Boolean;
var
  I, slen, tLen     : Integer;
begin
  Result := False;
  if compn <= 0 then
    exit;
  if Length(Src) < compn then
    exit;
  if Length(targ) < compn then
    exit;
  slen := Length(Src);
  tLen := Length(targ);
  Result := True;
  for I := 0 to compn - 1 do
    if UpCase(Src[slen - I]) <> UpCase(targ[tLen - I]) then
    begin
      Result := False;
      break;
    end;
end;


function IsEnglish(Ch: char): Boolean;
begin
  Result := False;
  if ((Ch >= 'A') and (Ch <= 'Z')) or ((Ch >= 'a') and (Ch <= 'z')) then
    Result := True;
end;

function IsEngNumeric(Ch: char): Boolean;
begin
  Result := False;
  if IsEnglish(Ch) or ((Ch >= '0') and (Ch <= '9')) then
    Result := True;
end;

function IsFloatNumeric(Str: string): Boolean;
begin
  if Trim(Str) = '' then
  begin
    Result := False;
    exit;
  end;
  try
    StrToFloat(Str);
    Result := True;
  except
    Result := False;
  end;
end;

procedure PCharSet(P: PChar; n: Integer; Ch: char);
var
  I                 : Integer;
begin
  for I := 0 to n - 1 do
    (P + I)^ := Ch;
end;

function ReplaceChar(Src: string; srcchr, repchr: char): string;
var
  I, len            : Integer;
begin
  if Src <> '' then
  begin
    len := Length(Src);
    for I := 0 to len - 1 do
      if Src[I] = srcchr then
        Src[I] := repchr;
  end;
  Result := Src;
end;


function IsUniformStr(Src: string; Ch: char): Boolean;
var
  I, len            : Integer;
begin
  Result := True;
  if Src <> '' then
  begin
    len := Length(Src);
    for I := 0 to len - 1 do
      if Src[I] = Ch then
      begin
        Result := False;
        break;
      end;
  end;
end;


function CreateMask(Src: PChar; TargPos: Integer): string;

function IsNumber(chr: char): Boolean;
  begin
    if (chr >= '0') and (chr <= '9') then
      Result := True
    else
      Result := False;
  end;
var
  intFlag, Loop     : Boolean;
  Cnt, IntCnt, SrcLen: Integer;
  Ch, Ch2           : char;
begin
  intFlag := False;
  Loop := True;
  Cnt := 0;
  IntCnt := 0;
  SrcLen := StrLen(Src);

  while Loop do
  begin
    Ch := PChar(Longint(Src) + Cnt)^;
    case Ch of
      #0:
        begin
          Result := '';
          break;
        end;
      ' ':
        begin
        end;
    else
      begin

        if not intFlag then
        begin                           { Now Reading char }
          if IsNumber(Ch) then
          begin
            intFlag := True;
            Inc(IntCnt);
          end;
        end
        else
        begin                           { If, now reading integer }
          if not IsNumber(Ch) then
          begin                         { XXE+3 }
            case UpCase(Ch) of
              'E':
                begin
                  if (Cnt >= 1) and (Cnt + 2 < SrcLen) then
                  begin
                    Ch := PChar(Longint(Src) + Cnt - 1)^;
                    if IsNumber(Ch) then
                    begin
                      Ch := PChar(Longint(Src) + Cnt + 1)^;
                      Ch2 := PChar(Longint(Src) + Cnt + 2)^;
                      if not ((Ch = '+') and (IsNumber(Ch2))) then
                      begin
                        intFlag := False;
                      end;
                    end;
                  end;
                end;
              '+':
                begin
                  if (Cnt >= 1) and (Cnt + 1 < SrcLen) then
                  begin
                    Ch := PChar(Longint(Src) + Cnt - 1)^;
                    Ch2 := PChar(Longint(Src) + Cnt + 1)^;
                    if not ((UpCase(Ch) = 'E') and (IsNumber(Ch2))) then
                    begin
                      intFlag := False;
                    end;
                  end;
                end;
              '.':
                begin
                  if (Cnt >= 1) and (Cnt + 1 < SrcLen) then
                  begin
                    Ch := PChar(Longint(Src) + Cnt - 1)^;
                    Ch2 := PChar(Longint(Src) + Cnt + 1)^;
                    if not ((IsNumber(Ch)) and (IsNumber(Ch2))) then
                    begin
                      intFlag := False;
                    end;
                  end;
                end;

            else
              intFlag := False;
            end;
          end;
        end;                            {end of case else}
      end;                              {end of Case}
    end;
    if (intFlag) and (Cnt >= TargPos) then
    begin
      Result := '%' + Format('%d', [IntCnt]);
      exit;
    end;
    Inc(Cnt);
  end;
end;

function GetValueFromMask(Src: PChar; Mask: string): string;

function Positon(Str: string): Integer;
  var
    str2            : string;
  begin
    str2 := Copy(Str, 2, Length(Str) - 1);
    Result := StrToIntDef(str2, 0);
    if Result <= 0 then
      Result := 1;
  end;

  function IsNumber(Ch: char): Boolean;
  begin
    case Ch of
      '0'..'9': Result := True;
    else
      Result := False;
    end;
  end;
var
  intFlag, Loop, Sign: Boolean;
  Buf               : Str256;
  BufCount, Pos, LocCount, TargLoc, SrcLen: Integer;
  Ch, Ch2           : char;
begin
  SrcLen := StrLen(Src);
  LocCount := 0;
  BufCount := 0;
  Pos := 0;
  intFlag := False;
  Loop := True;
  Sign := False;

  if Mask = '' then
    Mask := '%1';
  TargLoc := Positon(Mask);

  while Loop do
  begin
    if Pos >= SrcLen then
      break;
    Ch := PChar(Src + Pos)^;
    if not intFlag then
    begin                               {now reading chars}
      if LocCount < TargLoc then
      begin
        if IsNumber(Ch) then
        begin
          intFlag := True;
          BufCount := 0;
          Inc(LocCount);
        end
        else
        begin
          if not Sign then
          begin                         {default '+'}
            if Ch = '-' then
              Sign := True;
          end
          else
          begin
            if Ch <> ' ' then
              Sign := False;
          end;
        end;
      end
      else
      begin
        break;
      end;
    end;
    if intFlag then
    begin                               {now reading numbers}
      Buf[BufCount] := Ch;
      Inc(BufCount);
      if not IsNumber(Ch) then
      begin
        case Ch of
          'E', 'e':
            begin
              if (Pos >= 1) and (Pos + 2 < SrcLen) then
              begin
                Ch := PChar(Src + Pos - 1)^;
                if IsNumber(Ch) then
                begin
                  Ch := PChar(Src + Pos + 1)^;
                  Ch2 := PChar(Src + Pos + 2)^;
                  if not ((Ch = '+') or (Ch = '-') and (IsNumber(Ch2))) then
                  begin
                    Dec(BufCount);
                    intFlag := False;
                  end;
                end;
              end;
            end;
          '+', '-':
            begin
              if (Pos >= 1) and (Pos + 1 < SrcLen) then
              begin
                Ch := PChar(Src + Pos - 1)^;
                Ch2 := PChar(Src + Pos + 1)^;
                if not ((UpCase(Ch) = 'E') and (IsNumber(Ch2))) then
                begin
                  Dec(BufCount);
                  intFlag := False;
                end;
              end;
            end;
          '.':
            begin
              if (Pos >= 1) and (Pos + 1 < SrcLen) then
              begin
                Ch := PChar(Src + Pos - 1)^;
                Ch2 := PChar(Src + Pos + 1)^;
                if not ((IsNumber(Ch)) and (IsNumber(Ch2))) then
                begin
                  Dec(BufCount);
                  intFlag := False;
                end;
              end;
            end;
        else
          begin
            intFlag := False;
            Dec(BufCount);
          end;
        end;
      end;