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xp1.pas
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{ $Id$
OpenXP - generic routines
Copyright (C) 1991-2001 Peter Mandrella
Copyright (C) 2000-2002 OpenXP team (www.openxp.de)
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 2 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, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
}
{$I xpdefine.inc }
{$IFDEF Delphi}
{$J+} //assignable constants
{$ENDIF Delphi}
unit xp1;
interface
uses
classes,
sysutils,
{$IFDEF Unix }
{$IFDEF Kylix}
libc,
{$ELSE}
baseunix,unix,
{$ENDIF}
{$ENDIF }
{$IFDEF FPC }
{$IFDEF Win32 }
Windows,
{$ENDIF }
{$ENDIF }
typeform,
keys, //taste
inout,datadef,help,lister,
xp0,winxp,
xpglobal;
const maxhidden = 500; { max. versteckte Menuepunkte }
var DisableDOS : boolean = false;
shellkey : boolean = false;
ListMakros : byte = 0; { Flag fuer XPKEYS.XMakro }
Errorlevel : integer = 0;
miscbase : DB = nil; { wird bei Shell geschlossen }
menurestart: boolean = false; { fuer Config-Menue }
type mprec = record
mstr : string[30];
hpos : byte;
hkey : char;
enabled : boolean;
chain : byte; { Untermenue-Nr. }
keep : boolean; { Menue nicht verlassen }
mpnr : integer; { Nummer des Menuepunkts }
end;
menuarray = array[1..22] of mprec;
map = ^menuarray;
{$IFDEF NCRT }
scrptr = TxpHandle; { Handle }
{$ELSE }
scrptr = Pointer;
{$ENDIF }
ahidden = array[1..maxhidden] of SmallInt;
var printlines : longint;
WaitKey : taste; { Taste, mit der wkey beendet wurde }
llh : boolean; { "L"/"H" im Lister -> xp1o.listExt }
{ == Nachrichten-Lister }
rbx,rby : Integer; { Cursorposition fuer ReadButton }
hidden : ^ahidden; { Liste der unsichtbaren Menuepkte. }
anzhidden : SmallInt; { Anzahl der unsichtbaren Menuepkte. }
procedure XpIdle;
procedure showscreen(newmode:boolean);
procedure showusername;
procedure exitscreen(joke:shortint);
procedure showmain(nr:shortint); { Hauptmenue anzeigen: nr=Position }
function mainkey(p:byte):taste;
procedure freemain;
procedure wait(cur:curtype);
procedure sichern(var sp:scrptr);
procedure holen(var sp:scrptr);
procedure hlp(nr:xpWord); { setzt helpst[helpstp] }
procedure pushhp(nr:xpWord);
procedure pophp;
procedure freehelp;
procedure setenable(mnu,nr:byte; flag:boolean);
procedure setmenup(const mnu:string; nr:byte; const anew:string);
procedure setmenupos(const mnu:string; newpos:byte);
procedure splitmenu(nr:byte; ma:map; var n:integer; nummern:boolean);
procedure SetExtraktMenu;
function getmenu(nr:byte; enterkey:taste; x,y:integer):integer;
procedure setscreensize;
procedure lines(fnkey:byte); { setzt gl usw. }
procedure xp_maus_aus;
procedure xp_maus_an(x,y: integer);
procedure SetMausEmu;
procedure blindon(total:boolean);
procedure blindoff;
procedure getpos(width,height: Integer; var x,y: Integer);
procedure openbox(width,height:Integer; const txt:string; var x,y: Integer; c1,c2: Integer);
procedure openboxat(width,height:Integer; const txt:string; x,y: Integer; c1,c2: Integer);
procedure msgbox(width,height: Integer; const txt:string; var x,y: Integer);
procedure diabox(width,height: Integer; const txt:string; var x,y: Integer);
procedure selbox(width,height: Integer; const txt:string; var x,y: Integer; hell:boolean);
function listbox(width,height: Integer; const txt:string): TLister;
procedure ListboxCol(List: TLister);
procedure utilbox(l,r,o,u: Integer; const txt:string);
procedure dialog(width,height: Integer; const txt:string; var x,y: Integer);
procedure enddialog;
procedure closebox;
procedure moment;
procedure message(const txt:string);
procedure rmessage(nr:xpWord);
procedure WaitIt(txt:atext; p:proc; sec:xpWord);
procedure WriteClipFile(const fn:string);
procedure selcol;
procedure file_box(var name:string; changedir:boolean);
procedure XP_testbrk(var brk:boolean);
procedure errsound;
function _errsound:boolean;
procedure signal; { s. Config/Anzeige/Hilfen }
procedure fehler(const txt:string);
procedure rfehler(nr:xpWord);
procedure rfehler1(nr:xpWord; txt:string);
procedure hinweis(const txt:string);
function mfehler(b:boolean; const txt:string):boolean;
function fehlfunc(const txt:string):boolean;
procedure logerror(const txt:string);
procedure tfehler(const txt:string; sec:integer);
procedure trfehler(nr:xpWord; sec:integer);
procedure trfehler1(nr:xpWord; const txt:string; sec:integer);
procedure afehler(const txt:string; auto:boolean);
procedure arfehler(nr:xpWord; auto:boolean);
procedure interr(const txt:string);
function ioerror(i:integer; const otxt:atext):atext;
procedure shell(const prog:string; space:xpWord; cls:shortint); { externer Aufruf }
{ Execute an external program and add any files created in current dir to SL }
function ShellNTrackNewFiles(const prog:string; space:xpWord; cls:shortint; SL: TStringList): Integer;
function listfile(const name,header:string; savescr,listmsg:boolean;
utf8:boolean;
cols:shortint):shortint; { Lister }
procedure RemoveEOF(const fn:string);
procedure editfile(const name: string; nachricht,reedit,senden:boolean;
keeplines:byte;ed_ukonv:boolean);
procedure dosshell;
procedure delete_tempfiles;
procedure set_checkdate;
procedure opendatabases;
procedure closedatabases;
procedure TempClose;
procedure TempOpen;
procedure FlushClose;
procedure xp_DB_Error; { Aufruf bei <DB> internem Fehler }
function fmove(var f1,f2:file): boolean;
procedure iso_conv(var buf; bufsize: Integer);
function aFile(nr:byte):string;
function mbrett(typ:char; intnr:longint):string; { Xpoint.Db1/Bretter erz. }
function mbrettd(typ:char; dbp:DB):string; { Int_Nr auslesen }
function ixdat(const s:string):longint; { Z-Date -> Long }
function longdat(l:longint):string; { Long -> Z-Date }
function ixdispdat(const dat:shortstring):longint; { Datum -> Long }
function smdl(d1,d2:longint):boolean; { Datum1 < Datum2 }
function fdat(const dat:string):string; { Z-Datum -> Datum }
function zdow(const dat:string):string; { Z-Datum -> Mo/Di.. }
function ftime(const dat:string):string; { Z-Datum -> Uhrzeit }
function Zdate:string; { akt. Datum/Zeit im Z-Format }
function fuser(const s:string):string; { Spaces vor/hinter '@' }
function aufnahme_string:string;
function MsgidIndex(mid:string):longint; { case-insensitive CRC32 }
function getb(const su, v:string; var b:byte):boolean; { PARSER }
function getc(const su, v:string; var c:char):boolean;
function geti(const su, v:string; var i:integer):boolean;
function geti16(const su, v:string; var i:integer16):boolean; { wie geti, allerdings mit 16 Bit Integer }
function getw(const su, v:string; var w:smallword):boolean;
function getl(const su, v:string; var l:longint):boolean;
function getx(const su, v:string; var b:boolean):boolean;
function gets(const s,su, v:string; var ss:string):boolean;
function getr(const su, v:string; var r:double):boolean;
procedure exchange(var s:string; const repl,by:string);
function repfile(const prog,name:string):string;
function notempty(var s:string):boolean;
function IS_QPC(var betreff:string):boolean;
function IS_DES(var betreff:string):boolean;
function IS_PMC(var betreff:string):boolean;
procedure write_lastcall(const dat:String);
procedure InitPrinter;
procedure PrintPage;
procedure PrintLine(const s:string);
procedure ExitPrinter;
function TempFree:Int64; { Platz auf Temp-Laufwerk }
function TempS(bytes:longint):string;
function TempExtS(bytes:longint;const startnamewith,ext:string):string;
procedure _era(const Filename: String);
// Deletes a file only if exists, uses _era to report errors
procedure SafeDeleteFile(const Filename: String);
procedure SafeMakeBak(const Filename, NewExt: String);
procedure _chdir(const p:string);
function testmem(size:longint; wait:boolean):boolean;
procedure cm_w(const s:string); { Command-Mode-Ausgabe }
procedure cm_wl(const s:string); { Writeln }
procedure cm_wln;
procedure cm_rl(var s:string; maxlen:byte; dot:boolean; var brk:boolean);
function cm_key:char;
{$IFDEF Snapshot}
function compiletime:string; { Erstelldatum von XP.EXE als String uebergeben }
{$ENDIF}
function ComputeUserAddress(d: DB):string;
procedure InitXP1Unit;
implementation {-------------------------------------------------------}
uses
{$IFDEF NCRT }
xpcurses,
{$ENDIF }
{$IFDEF Win32 }
xpwin32,
{$ENDIF }
{$IFDEF DOS32 }
xpdos32,
crt,
{$ENDIF }
{$IFDEF OS2 }
xpos2,
{$ENDIF }
{$IFDEF Unix }
xpunix,
{$ENDIF }
{$IFDEF NCRT }
{$IFDEF Kylix}
ncursix,
{$ELSE}
ncurses,
{$ENDIF}
{$ENDIF }
montage,fileio,win2,
database,mouse,maus2,maske,printerx,clip,
resource,crc,debug, osdepend, xpconst,
xp1o,xp1o2,xp1help,xp1input,xpe,xpnt, xp3,
direct,
xpunicode,
xpunicode_lbr,
xpcharset;
//mime;
{ Diese Tabelle konvertiert NUR ae oe ue ss ! }
{ todo: remove!
vollstaendige ISO-Konvertierung: siehe XP3 }
const isotab1 : array[$c0..$ff] of byte =
($c0,$c1,$c2,$c3,{ $8e,}$c4,$c5,$c6,$c7,$c8,$c9,$ca,$cb,$cc,$cd,$ce,$cf,
$d0,$d1,$d2,$d3,$d4,$d5,$99,$d7,$d8,$d9,$da,$db,$9a,$dd,$de,$e1,
$e0,$e1,$e2,$e3,$84,$e5,$e6,$e7,$e8,$e9,$ea,$eb,$ec,$ed,$ee,$ef,
$f0,$f1,$f2,$f3,$f4,$f5,$94,$f7,$f8,$f9,$fa,$fb,$81,$fd,$fe,$ff);
maxwinst = 20;
var closed : boolean = false;
opendb : boolean = false;
mainmenu : map = nil; { Hauptmenue }
menulast : byte = 0; { Hoehe des Menu-Stacks }
winstp : integer = 0;
var menulevel : byte; { Menueebene }
menustack : array[0..4] of byte; { fuer Rekonstruktion im Config-Menue }
hmpos : array[1..10] of integer; { Hauptmenue-XPos }
main_n : integer; { MPs im Hauptmenue }
mainrange : array[1..10,0..1] of byte;
listhicol : byte;
winstack : array[1..maxwinst] of scrptr; { fuer Blindensupport }
mst : boolean;
function ixdat(const s: string): longint; // 0506032053 -> 1768018768
var
a1, a2, a3, a4, a5: byte;
r: Integer;
begin
if Length(s) < 10 then
result := 0
else begin
a1 := (Ord(s[1])-48) * 10 + (Ord(s[2])-48);
if a1 < 70 then a1 := a1 + 100;
a2 := (Ord(s[3])-48) * 10 + (Ord(s[4])-48);
a3 := (Ord(s[5])-48) * 10 + (Ord(s[6])-48);
a4 := (Ord(s[7])-48) * 10 + (Ord(s[8])-48);
a5 := (Ord(s[9])-48) * 10 + (Ord(s[10])-48);
asm
mov dh, a1 { Jahr }
mov al, a2 { Monat }
mov cl, 4
shl al, cl
mov dl, al
mov ecx,0
mov al, a3 { Tag }
shr al,1
rcr ch,1
add dl,al
mov al, a4 { Stunde }
shl al,1
shl al,1
add ch,al
mov al, a5 { Minute }
shr al,1
rcr cl,1
shr al,1
rcr cl,1
shr al,1
rcr cl,1
shr al,1
rcr cl,1
add ch,al
shl edx, 16
mov eax, edx
mov ax,cx
mov r, eax
end;
end;
result := r;
end;
procedure iso_conv(var buf; bufsize: Integer); assembler; {&uses ebx, edi}
{$IFDEF ANALYSE}
begin
//no asm
end;
{$ELSE}
asm
cld
mov edi, buf
mov ecx, bufsize
mov ebx, offset isotab1 - 0c0h
@isolp: mov al, [edi]
cmp al, 0c0h
jb @noconv
xlatb
@noconv: stosb
loop @isolp
{$IFDEF FPC }
end ['EAX', 'EBX', 'ECX', 'EDI'];
{$ELSE }
end;
{$ENDIF }
{$ENDIF }
(*
{ Hervorhebungsregeln fuer * und _ im Lister: }
{ 1 = vor Startzeichen erlaubt }
{ 2 = nach Startzeichen erlaubt }
{ 4 = vor Endzeichen erlaubt }
{ 8 = nach Endzeichen erlaubt }
const
delimiters : array[0..255] of byte = (
0 ,{ ^@ }
0 ,{ ^A }
0 ,{ ^B }
0 ,{ ^C }
0 ,{ ^D }
0 ,{ ^E }
0 ,{ ^F }
0 ,{ ^G }
0 ,{ ^H }
0 ,{ ^I }
0 ,{ ^J }
0 ,{ ^K }
0 ,{ ^L }
0 ,{ ^M }
0 ,{ ^N }
0 ,{ ^O }
0 ,{ ^P }
0 ,{ ^Q }
0 ,{ ^R }
0 ,{ ^S }
0 ,{ ^T }
0 ,{ ^U }
0 ,{ ^V }
0 ,{ ^W }
0 ,{ ^X }
0 ,{ ^Y }
0 ,{ ^Z }
0 ,{ ^[ }
0 ,{ ^\ }
0 ,{ ^] }
0 ,{ ^^ }
0 ,{ ^_ }
0 + 1 + 8 ,{ Space }
0 + 4 + 8 ,{ ! }
0 + 1 + 2 + 4 + 8 ,{ " }
0 ,{ # }
0 ,{ $ }
0 ,{ % }
0 ,{ & }
0 + 1 + 2 + 4 + 8 ,{ ' }
0 + 1 ,{ ( }
0 + 8 ,{ ) }
0 ,{ * }
0 ,{ + }
0 + 4 + 8 ,{ , }
0 + 8 ,{ - }
0 + 4 + 8 ,{ . }
0 ,{ / }
0 + 2 + 4 ,{ 0 }
0 + 2 + 4 ,{ 1 }
0 + 2 + 4 ,{ 2 }
0 + 2 + 4 ,{ 3 }
0 + 2 + 4 ,{ 4 }
0 + 2 + 4 ,{ 5 }
0 + 2 + 4 ,{ 6 }
0 + 2 + 4 ,{ 7 }
0 + 2 + 4 ,{ 8 }
0 + 2 + 4 ,{ 9 }
0 + 4 + 8 ,{ : }
0 + 4 + 8 ,{ ; }
0 ,{ < }
0 ,{ = }
0 + 1 ,{ > }
0 + 4 + 8 ,{ ? }
0 + 2 + 4 ,{ @ }
0 + 2 + 4 ,{ A }
0 + 2 + 4 ,{ B }
0 + 2 + 4 ,{ C }
0 + 2 + 4 ,{ D }
0 + 2 + 4 ,{ E }
0 + 2 + 4 ,{ F }
0 + 2 + 4 ,{ G }
0 + 2 + 4 ,{ H }
0 + 2 + 4 ,{ I }
0 + 2 + 4 ,{ J }
0 + 2 + 4 ,{ K }
0 + 2 + 4 ,{ L }
0 + 2 + 4 ,{ M }
0 + 2 + 4 ,{ N }
0 + 2 + 4 ,{ O }
0 + 2 + 4 ,{ P }
0 + 2 + 4 ,{ Q }
0 + 2 + 4 ,{ R }
0 + 2 + 4 ,{ S }
0 + 2 + 4 ,{ T }
0 + 2 + 4 ,{ U }
0 + 2 + 4 ,{ V }
0 + 2 + 4 ,{ W }
0 + 2 + 4 ,{ X }
0 + 2 + 4 ,{ Y }
0 + 2 + 4 ,{ Z }
0 + 1 ,{ [ }
0 ,{ \ }
0 + 8 ,{ ] }
0 ,{ ^ }
0 ,{ _ }
0 + 1 + 2 + 4 + 8 ,{ ` }
0 + 2 + 4 ,{ a }
0 + 2 + 4 ,{ b }
0 + 2 + 4 ,{ c }
0 + 2 + 4 ,{ d }
0 + 2 + 4 ,{ e }
0 + 2 + 4 ,{ f }
0 + 2 + 4 ,{ g }
0 + 2 + 4 ,{ h }
0 + 2 + 4 ,{ i }
0 + 2 + 4 ,{ j }
0 + 2 + 4 ,{ k }
0 + 2 + 4 ,{ l }
0 + 2 + 4 ,{ m }
0 + 2 + 4 ,{ n }
0 + 2 + 4 ,{ o }
0 + 2 + 4 ,{ p }
0 + 2 + 4 ,{ q }
0 + 2 + 4 ,{ r }
0 + 2 + 4 ,{ s }
0 + 2 + 4 ,{ t }
0 + 2 + 4 ,{ u }
0 + 2 + 4 ,{ v }
0 + 2 + 4 ,{ w }
0 + 2 + 4 ,{ x }
0 + 2 + 4 ,{ y }
0 + 2 + 4 ,{ z }
0 + 1 ,( * { * )
0 ,{ | }
0 + 8 ,{ }
0 ,{ ~ }
0 ,{ DEL }
0 + 2 + 4 ,{ }
0 + 2 + 4 ,{ ue }
0 + 2 + 4 ,{ }
0 + 2 + 4 ,{ }
0 + 2 + 4 ,{ ae }
0 + 2 + 4 ,{
}
0 + 2 + 4 ,{ }
0 + 2 + 4 ,{ }
0 + 2 + 4 ,{ }
0 + 2 + 4 ,{ }
0 + 2 + 4 ,{ }
0 + 2 + 4 ,{ }
0 + 2 + 4 ,{ }
0 + 2 + 4 ,{ }
0 + 2 + 4 ,{ }
0 + 2 + 4 ,{ }
0 + 2 + 4 ,{ }
0 + 2 + 4 ,{ }
0 + 2 + 4 ,{ }
0 + 2 + 4 ,{ }
0 + 2 + 4 ,{ oe }
0 + 2 + 4 ,{ }
0 + 2 + 4 ,{ }
0 + 2 + 4 ,{ }
0 + 2 + 4 ,{ }
0 + 2 + 4 ,{ }
0 + 2 + 4 ,{ }
0 + 4 ,{ }
0 + 4 ,{ }
0 + 4 ,{ }
0 + 4 ,{ }
0 ,{ }
0 + 2 + 4 ,{ }
0 + 2 + 4 ,{ ¡ }
0 + 2 + 4 ,{ ¢ }
0 + 2 + 4 ,{ £ }
0 + 2 + 4 ,{ ¤ }
0 + 2 + 4 ,{ ¥ }
0 + 4 ,{ ¦ }
0 + 4 ,{ § }
0 + 1 + 8 ,{ ¨ }
0 ,{ © }
0 ,{ ª }
0 ,{ « }
0 ,{ ¬ }
0 + 1 + 8 ,{ }
0 + 1 ,{ ® }
0 + 8 ,{ ¯ }
0 ,{ ° }
0 ,{ ± }
0 ,{ ² }
0 ,{ ³ }
0 ,{ ´ }
0 ,{ µ }
0 ,{ ¶ }
0 ,{ · }
0 ,{ ¸ }
0 ,{ ¹ }
0 ,{ º }
0 ,{ » }
0 ,{ ¼ }
0 ,{ ½ }
0 ,{ ¾ }
0 ,{ ¿ }
0 ,{ À }
0 ,{ Á }
0 ,{ Â }
0 ,{ Ã }
0 ,{ Ä }
0 ,{ Å }
0 ,{ Æ }
0 ,{ Ç }
0 ,{ È }
0 ,{ É }
0 ,{ Ê }
0 ,{ Ë }
0 ,{ Ì }
0 ,{ Í }
0 ,{ Î }
0 ,{ Ï }
0 ,{ Ð }
0 ,{ Ñ }
0 ,{ Ò }
0 ,{ Ó }
0 ,{ Ô }
0 ,{ Õ }
0 ,{ Ö }
0 ,{ × }
0 ,{ Ø }
0 ,{ Ù }
0 ,{ Ú }
0 ,{ Û }
0 ,{ Ü }
0 ,{ Ý }
0 ,{ Þ }
0 ,{ ß }
0 + 2 + 4 ,{ à }
0 + 2 + 4 ,{ ss }
0 + 2 + 4 ,{ â }
0 + 2 + 4 ,{ ã }
0 + 2 + 4 ,{ ä }
0 + 2 + 4 ,{ å }
0 + 2 + 4 ,{ æ }
0 + 2 + 4 ,{ ç }
0 + 2 + 4 ,{ è }
0 + 2 + 4 ,{ é }
0 + 2 + 4 ,{ ê }
0 + 2 + 4 ,{ ë }
0 ,{ ì }
0 ,{ í }
0 ,{ î }
0 ,{ ï }
0 ,{ ð }
0 ,{ ñ }
0 ,{ ò }
0 ,{ ó }
0 ,{ ô }
0 ,{ õ }
0 ,{ ö }
0 ,{ ÷ }
0 ,{ ø }
0 ,{ ù }
0 ,{ ú }
0 ,{ û }
0 + 4 ,{ ü }
0 + 4 ,{ ý }
0 ,{ þ }
0 + 1 + 8 ){ #255 };
{ Variable in XP0.PAS: }
{ charbuf : string[255];}
{ attrbuf : array [1..255] of smallword;}
*)
procedure ListDisplay(x,y, StartC, Columns: Integer; var s: string);
var Pos: integer; // current position in bytes
NewPos: integer; // save for current pos
PosC: integer; // position in columns
OutPos: integer; // current position of data already written in bytes
OutPosC: integer; // position in columns
C, LastC: TUnicodeChar; // current and last character
W: Integer; // width of current character (columns)
B, LastB : TUnicodeLineBreakType; // lb class of current and last character
HiChar : TUnicodeChar; // character that started highlighting
HiStart: Integer; // position of starting char in bytes
HiStartC: Integer; // ...in columns
HiDelimCount : Integer; // count of occurrence of HiChar within hilighting sequence
HiWordCCount : Integer; // count of word characters within hilighting sequence
URL: boolean; // URL has been found
URLStart, URLEnd: integer; // URL start and end position in bytes
URLStartC: integer;
DefaultAttr: SmallWord; // saved text attribute
i, j, k : Integer;
us: String;
procedure _(Attr: SmallWord; ToPos, ToPosC: integer);
begin
if ToPos <= OutPos then exit;
TextAttr := Attr;
FWrt(x+OutPosC-StartC,y,Copy(s,OutPos,ToPos-OutPos));
OutPosC := ToPosC;
OutPOs := ToPos;
end;
begin
{$IFDEF Debug }
{
Debug.DebugLog('xp1','ListDisplay, x:'+IntToStr(x)
+',y:'+IntToStr(y)+',StartC:'+IntToStr(StartC)
+', Columns:'+IntToStr(Columns)
+', s:<'+s+'>',DLTrace);
}
{$ENDIF }
if not ListXHighlight then begin
FWrt(x,y,UTF8FormS(s,StartC,Columns));
exit;
end;
DefaultAttr := TextAttr;
Pos := 1; PosC := 1;
OutPos := 1; OutPosC := 1;
URLStartC := 0;
HiChar := 0;
// put a space at the start
LastC := 32;
LastB := UNICODE_BREAK_SP;
// and at the end
s := s+' ';
URL := FindUrl(s, URLStart, URLEnd);
while (Pos <= Length(s)) do
begin
NewPos := Pos;
C := UTF8GetCharNext(s, NewPos);
{ HJT 19.02.2006 Q&D. Im nicht UTF-8 Modus (Enable-UTF8=F, XPOINT.CFG) )
{ keine Sequenz laenger eins zulassen. Eigentlich muessten W und B (s.u.)}
{ auch angepasst werden. }
{ Und: Der Lister ist scheinbar GAR NICHT auf nicht UTF-8 Dateien / }
{ Nachrichten vorbereitet mit Zeichen > $7f }
if not Enable_UTF8 then begin
if NewPos - Pos > 1 then begin
{$IFDEF Debug }
us:='';
for k:=pos to NewPos - 1 do begin
us:=us+Hex(Ord(s[k]),2)+' ';
end;
Debug.DebugLog('xp1','ListDisplay, Setting wg NOT Enable_UTF8'
+' NewPos from: '+IntToStr(NewPos)
+' To: '+IntToStr(Pos+1)
+', Seq: '+us
,DLTrace);
{$ENDIF }
NewPos := Pos + 1;
end;
end;
W := UnicodeCharacterWidth(C);
B := UnicodeCharacterLineBreakType(C);
if PosC <= StartC then begin OutPos := Pos; OutPosC := PosC; end;
{$IFDEF Debug }
{
Debug.DebugLog('xp1','ListDisplay, NewPos:'+IntToStr(NewPos)
+',OutPosC:'+IntToStr(OutPosC)
+',UTF8GetCharNext:'+IntToStr(C)
+',UnicodeCharacterWidth:'+IntToStr(W)
+',UnicodeCharacterLineBreakType:'+IntToStr(integer(B)),DLTrace);
}
{$ENDIF }
if URL and (Pos >= URLStart) and (URLStartC <= 0) then
begin
URLStartC := PosC;
HiChar := 0; // URLs break the highlighting
end else
if URL and (Pos >= URLStart) and (Pos < UrlEnd) then
begin
end else
if URL and (Pos >= URLEnd) and (URLStartC > 0) then
begin
_(DefaultAttr,URLStart, URLStartC);
_(ListHiCol, Pos, PosC);
URL := false;
end else
if (HiChar<>0) and (C=HiChar) then
begin
// Count the delimiters seen
Inc(HiDelimCount);
end else
if (HiChar<>0) and (LastC=HiChar) and not (B in [ UNICODE_BREAK_AL,
UNICODE_BREAK_ID,UNICODE_BREAK_GL, UNICODE_BREAK_UNKNOWN,
UNICODE_BREAK_CM ]) and (HiWordCCount >= 1) then
begin
// replace continuations by ' '
if(HiDelimCount > 1) and (HiChar <> Ord('_')) then
for i := HiStart+1 to Pos-1 do
if Ord(s[i]) = HiChar then
s[i] := ' ';
_(DefaultAttr, HiStart, HiStartC);
Inc(OutPos); // ignore starting delimiter
Dec(PosC,2);
_(ListHiCol, Pos-1, PosC);
Inc(OutPos); // ignore ending delimiter
HiChar := 0;
end else
if (HiChar<>0) and (B in [ UNICODE_BREAK_AL, UNICODE_BREAK_ID,
UNICODE_BREAK_NU ]) then
begin
// count "word" chars
Inc(HiWordCCount);
end else
if (HiChar<>0) and not (B in [ UNICODE_BREAK_AL, UNICODE_BREAK_ID,
UNICODE_BREAK_GL, UNICODE_BREAK_UNKNOWN, UNICODE_BREAK_CM,
UNICODE_BREAK_B2, UNICODE_BREAK_BA, UNICODE_BREAK_NU,
UNICODE_BREAK_BB, UNICODE_BREAK_HY, UNICODE_BREAK_SP ]) then
begin
// not a valid highlighting sequence, ignore
HiChar := 0;
end else
// check for c < 256 to avoid range check error with fpc
if (HiChar = 0) and (C <= 255) and (C in [Ord('*'),Ord('_') { HJT 12.08.07 kein Hervorheben bei Pfadangaben ,Ord('/') } ]) and not
(LastB in [ UNICODE_BREAK_AL, UNICODE_BREAK_ID,UNICODE_BREAK_GL,
UNICODE_BREAK_UNKNOWN, UNICODE_BREAK_CM, UNICODE_BREAK_NU ]) then
begin
HiStart := Pos;
HiStartC := PosC;
HiDelimCount := 0;
HiWordCCount := 0;
HiChar := C;
end;
LastC := C;
LastB := B;
Pos := NewPos;
{ HJT 11.11.2005 no width of -1 }
{ xpunicode.pas, UnicodeCharacterWidth }
{ - Other C0/C1 control characters and DEL will lead to a }
{ return value of -1. }
{ if Pos <= Length(s) then Inc(PosC, W); }
if Pos <= Length(s) then Inc(PosC, iif(W<=0,1,W));
end;
// the last char is the space inserted above and should not be output
_(DefaultAttr,Length(s),PosC);
TextAttr := DefaultAttr;
// fill end of line
if(OutPosC <= Columns) then
FWrt(Max(1,x+OutPosC-StartC),y,sp(Min(Columns,Columns-OutPosC+StartC)));
Debug.DebugLog('xp1','ListDisplay, End',DLTrace);
end;
(*
procedure ListDisplayOld(x,y: Integer; var s: string);
var
i, j, j2, c, a, b,
StartAttr, CountAttr: Integer;
Unicode: Boolean;
CharBuf: String;
OrgLen: Integer;
procedure WriteChar(i: Integer);
begin
CharBuf[j] := s[i];
AttrBuf[j2] := TextAttr;
Inc(j); Inc(j2);
// handle off by one because the special character are
// two bytes in s, because of UTF-8 encoding
{$IFDEF Win32Console }
if (s[i] > Char($7f)) and not Unicode then
begin
Unicode := true;
Dec(j2);
end else
Unicode := false;
{$ENDIF }
end;
begin
Fillchar(attrbuf, Sizeof(attrbuf), TextAttr);
if ListXHighlight then
begin
OrgLen := Length(s);
// not nice, but a working fix for the utf8-problem. Later we should
// convert the string to widechar, this would make things easier
s := ' ' + s + sp(OrgLen);
SetLength(CharBuf, Length(s));
i := 1; j := 1; j2 := 1;
Unicode := false;
while i < length(s) do
begin
Inc(i);
if s[i] in ['*', '_'] then
begin // check starting char
if ((Delimiters[Ord(s[i-1])] and 1) <> 0) and
((Delimiters[Ord(s[i+1])] and 2) <> 0) then
begin
Inc(i); StartAttr := j2;
CountAttr := 0;
while i < Length(s) do
begin
WriteChar(i);
Inc(i); Inc(CountAttr); // at least one char space
if s[i] in ['*', '_'] then // check ending char
begin
if ((Delimiters[Ord(s[i-1])] and 4) <> 0) and
((Delimiters[Ord(s[i+1])] and 8) <> 0) then
begin
for c := 0 to CountAttr-1 do
AttrBuf[StartAttr+c] := ListHiCol;
break;
end;
end;
end;
end else
WriteChar(i);
end else
WriteChar(i);
end;
if FindUrl(s, a, b) then
for i := a-1 to b-2 do
attrbuf[i] := ListHiCol;
SetLength(CharBuf, OrgLen);
end else
CharBuf := s;
Consolewrite(x, y, CharBuf);
end;
*)
procedure interr(const txt:string);
begin
moff;
cm_wl(txt);
runerror:=false;
Debug.DebugLog('xp1','Internal error: '+txt,DLError);
halt(1);
end;
procedure blindon(total:boolean);
var mf : boolean;
mt : byte;
begin
if blind and (winstp<maxwinst) then
begin
inc(winstp);
if winstp=1 then begin
mst:=m2t; m2t:=false;
end;
sichern(winstack[winstp]);
mf:=forcecolor; forcecolor:=false; mt:=lastattr;
attrtxt(7);
moff;
clwin(1,ScreenWidth,iif(total,1,2),screenlines);
mon;
attrtxt(mt);
forcecolor:=mf;
end;
end;
procedure blindoff;
begin
if winstp>0 then begin
moff;
holen(winstack[winstp]);
mon;
dec(winstp);
if winstp=0 then m2t:=mst;
end;
end;
{ Online-Hilfe (s. auch xp1help.pas) }
procedure hlp(nr:xpWord);
begin
helpst[helpstp]:=nr;
end;
procedure pushhp(nr:xpWord);
begin
if helpstp>=maxhelpst then
interr('PushHP: Overflow')
else begin
inc(helpstp);
helpst[helpstp]:=nr;
end;
end;
procedure pophp;
begin