mirror of
https://gitlab.com/freepascal.org/fpc/source.git
synced 2025-10-29 07:01:44 +01:00
487 lines
10 KiB
ObjectPascal
487 lines
10 KiB
ObjectPascal
{
|
|
$Id$
|
|
Copyright (c) 1998-2002 by Peter Vreman
|
|
|
|
This unit implements the message object
|
|
|
|
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.
|
|
|
|
****************************************************************************
|
|
}
|
|
unit cmsgs;
|
|
|
|
{$i fpcdefs.inc}
|
|
|
|
interface
|
|
|
|
const
|
|
maxmsgidxparts = 20;
|
|
|
|
type
|
|
ppchar=^pchar;
|
|
|
|
TArrayOfPChar = array[0..1000] of pchar;
|
|
PArrayOfPChar = ^TArrayOfPChar;
|
|
|
|
PMessage=^TMessage;
|
|
TMessage=object
|
|
msgfilename : string;
|
|
msgintern : boolean;
|
|
msgallocsize,
|
|
msgsize,
|
|
msgparts,
|
|
msgs : longint;
|
|
msgtxt : pchar;
|
|
msgidx : array[1..maxmsgidxparts] of PArrayOfPChar;
|
|
msgidxmax : array[1..maxmsgidxparts] of longint;
|
|
constructor Init(n:longint;const idxmax:array of longint);
|
|
destructor Done;
|
|
function LoadIntern(p:pointer;n:longint):boolean;
|
|
function LoadExtern(const fn:string):boolean;
|
|
procedure ClearIdx;
|
|
procedure CreateIdx;
|
|
function GetPChar(nr:longint):pchar;
|
|
function Get(nr:longint):string;
|
|
function Get4(nr:longint;const s1,s2,s3,s4:string):string;
|
|
function Get3(nr:longint;const s1,s2,s3:string):string;
|
|
function Get2(nr:longint;const s1,s2:string):string;
|
|
function Get1(nr:longint;const s1:string):string;
|
|
end;
|
|
|
|
{ this will read a line until #10 or #0 and also increase p }
|
|
function GetMsgLine(var p:pchar):string;
|
|
|
|
|
|
implementation
|
|
|
|
uses
|
|
cutils,
|
|
{$ifdef DELPHI}
|
|
sysutils;
|
|
{$else DELPHI}
|
|
strings;
|
|
{$endif DELPHI}
|
|
|
|
|
|
function MsgReplace(const s,s1,s2,s3,s4:string):string;
|
|
var
|
|
last,
|
|
i : longint;
|
|
hs : string;
|
|
begin
|
|
if s='' then
|
|
begin
|
|
MsgReplace:='';
|
|
exit;
|
|
end;
|
|
hs:='';
|
|
i:=0;
|
|
last:=0;
|
|
while (i<length(s)-1) do
|
|
begin
|
|
inc(i);
|
|
if (s[i]='$') and
|
|
(s[i+1] in ['1'..'4']) then
|
|
begin
|
|
hs:=hs+copy(s,last+1,i-last-1);
|
|
case s[i+1] of
|
|
'1' :
|
|
hs:=hs+s1;
|
|
'2' :
|
|
hs:=hs+s2;
|
|
'3' :
|
|
hs:=hs+s3;
|
|
'4' :
|
|
hs:=hs+s4;
|
|
end;
|
|
inc(i);
|
|
last:=i;
|
|
end;
|
|
end;
|
|
MsgReplace:=hs+copy(s,last+1,length(s)-last);;
|
|
end;
|
|
|
|
|
|
|
|
constructor TMessage.Init(n:longint;const idxmax:array of longint);
|
|
var
|
|
i : longint;
|
|
begin
|
|
msgtxt:=nil;
|
|
msgsize:=0;
|
|
msgparts:=n;
|
|
if n<>high(idxmax)+1 then
|
|
fail;
|
|
for i:=1 to n do
|
|
begin
|
|
msgidxmax[i]:=idxmax[i-1];
|
|
getmem(msgidx[i],msgidxmax[i]*4);
|
|
fillchar(msgidx[i]^,msgidxmax[i]*4,0);
|
|
end;
|
|
end;
|
|
|
|
|
|
destructor TMessage.Done;
|
|
var
|
|
i : longint;
|
|
begin
|
|
for i:=1 to msgparts do
|
|
freemem(msgidx[i],msgidxmax[i]*4);
|
|
if msgallocsize>0 then
|
|
begin
|
|
freemem(msgtxt,msgsize);
|
|
msgallocsize:=0;
|
|
end;
|
|
msgtxt:=nil;
|
|
msgsize:=0;
|
|
msgparts:=0;
|
|
end;
|
|
|
|
|
|
function TMessage.LoadIntern(p:pointer;n:longint):boolean;
|
|
begin
|
|
msgtxt:=pchar(p);
|
|
msgsize:=n;
|
|
msgallocsize:=0;
|
|
msgintern:=true;
|
|
ClearIdx;
|
|
CreateIdx;
|
|
LoadIntern:=true;
|
|
end;
|
|
|
|
|
|
function TMessage.LoadExtern(const fn:string):boolean;
|
|
|
|
{$ifndef FPC}
|
|
procedure readln(var t:text;var s:string);
|
|
var
|
|
c : char;
|
|
i : longint;
|
|
begin
|
|
c:=#0;
|
|
i:=0;
|
|
while (not eof(t)) and (c<>#10) do
|
|
begin
|
|
read(t,c);
|
|
if c<>#10 then
|
|
begin
|
|
inc(i);
|
|
s[i]:=c;
|
|
end;
|
|
end;
|
|
if (i>0) and (s[i]=#13) then
|
|
dec(i);
|
|
s[0]:=chr(i);
|
|
end;
|
|
{$endif}
|
|
|
|
const
|
|
bufsize=8192;
|
|
var
|
|
f : text;
|
|
error,multiline : boolean;
|
|
line,i,j : longint;
|
|
ptxt : pchar;
|
|
s,s1 : string;
|
|
buf : pointer;
|
|
|
|
procedure err(const msgstr:string);
|
|
begin
|
|
writeln('*** PPC, file ',fn,', error in line ',line,': ',msgstr);
|
|
error:=true;
|
|
end;
|
|
|
|
begin
|
|
LoadExtern:=false;
|
|
getmem(buf,bufsize);
|
|
{Read the message file}
|
|
assign(f,fn);
|
|
{$I-}
|
|
reset(f);
|
|
{$I+}
|
|
if ioresult<>0 then
|
|
begin
|
|
WriteLn('*** PPC, can not open message file ',fn);
|
|
exit;
|
|
end;
|
|
settextbuf(f,buf^,bufsize);
|
|
{ First parse the file and count bytes needed }
|
|
error:=false;
|
|
line:=0;
|
|
multiline:=false;
|
|
msgsize:=0;
|
|
while not eof(f) do
|
|
begin
|
|
readln(f,s);
|
|
inc(line);
|
|
if multiline then
|
|
begin
|
|
if s=']' then
|
|
multiline:=false
|
|
else
|
|
inc(msgsize,length(s)+1); { +1 for linebreak }
|
|
end
|
|
else
|
|
begin
|
|
if (s<>'') and not(s[1] in ['#',';','%']) then
|
|
begin
|
|
i:=pos('=',s);
|
|
if i>0 then
|
|
begin
|
|
j:=i+1;
|
|
if not(s[j] in ['0'..'9']) then
|
|
err('no number found')
|
|
else
|
|
begin
|
|
while (s[j] in ['0'..'9']) do
|
|
inc(j);
|
|
end;
|
|
if j-i-1<>5 then
|
|
err('number length is not 5');
|
|
if s[j+1]='[' then
|
|
begin
|
|
inc(msgsize,j-i);
|
|
multiline:=true
|
|
end
|
|
else
|
|
inc(msgsize,length(s)-i+1);
|
|
end
|
|
else
|
|
err('no = found');
|
|
end;
|
|
end;
|
|
end;
|
|
if multiline then
|
|
err('still in multiline mode');
|
|
if error then
|
|
begin
|
|
freemem(buf,bufsize);
|
|
close(f);
|
|
exit;
|
|
end;
|
|
{ now read the buffer in mem }
|
|
msgallocsize:=msgsize;
|
|
getmem(msgtxt,msgallocsize);
|
|
ptxt:=msgtxt;
|
|
reset(f);
|
|
while not eof(f) do
|
|
begin
|
|
readln(f,s);
|
|
if multiline then
|
|
begin
|
|
if s=']' then
|
|
begin
|
|
multiline:=false;
|
|
{ overwrite last eol }
|
|
dec(ptxt);
|
|
ptxt^:=#0;
|
|
inc(ptxt);
|
|
end
|
|
else
|
|
begin
|
|
move(s[1],ptxt^,length(s));
|
|
inc(ptxt,length(s));
|
|
ptxt^:=#10;
|
|
inc(ptxt);
|
|
end;
|
|
end
|
|
else
|
|
begin
|
|
if (s<>'') and not(s[1] in ['#',';','%']) then
|
|
begin
|
|
i:=pos('=',s);
|
|
if i>0 then
|
|
begin
|
|
j:=i+1;
|
|
while (s[j] in ['0'..'9']) do
|
|
inc(j);
|
|
{ multiline start then no txt }
|
|
if s[j+1]='[' then
|
|
begin
|
|
s1:=Copy(s,i+1,j-i);
|
|
move(s1[1],ptxt^,length(s1));
|
|
inc(ptxt,length(s1));
|
|
multiline:=true;
|
|
end
|
|
else
|
|
begin
|
|
{ txt including number }
|
|
s1:=Copy(s,i+1,255);
|
|
move(s1[1],ptxt^,length(s1));
|
|
inc(ptxt,length(s1));
|
|
ptxt^:=#0;
|
|
inc(ptxt);
|
|
end;
|
|
end;
|
|
end;
|
|
end;
|
|
end;
|
|
close(f);
|
|
freemem(buf,bufsize);
|
|
{ now we can create the index, clear if the previous load was also
|
|
an external file, because those can't be reused }
|
|
if not msgintern then
|
|
ClearIdx;
|
|
CreateIdx;
|
|
{ set that we've loaded an external file }
|
|
msgintern:=false;
|
|
LoadExtern:=true;
|
|
end;
|
|
|
|
|
|
procedure TMessage.ClearIdx;
|
|
var
|
|
i : longint;
|
|
begin
|
|
{ clear }
|
|
for i:=1to msgparts do
|
|
fillchar(msgidx[i]^,msgidxmax[i]*4,0);
|
|
end;
|
|
|
|
|
|
procedure TMessage.CreateIdx;
|
|
var
|
|
hp1,
|
|
hp,hpend : pchar;
|
|
code : integer;
|
|
num : longint;
|
|
number : string[5];
|
|
i : longint;
|
|
numpart,numidx : longint;
|
|
begin
|
|
{ process msgtxt buffer }
|
|
number:='00000';
|
|
hp:=msgtxt;
|
|
hpend:=@msgtxt[msgsize];
|
|
while (hp<hpend) do
|
|
begin
|
|
hp1:=hp;
|
|
for i:=1to 5 do
|
|
begin
|
|
number[i]:=hp1^;
|
|
inc(hp1);
|
|
end;
|
|
val(number,num,code);
|
|
numpart:=num div 1000;
|
|
numidx:=num mod 1000;
|
|
{ check range }
|
|
if (numpart <= msgparts) and (numidx < msgidxmax[numpart]) then
|
|
begin
|
|
{ skip _ }
|
|
inc(hp1);
|
|
{ put the address in the idx, the numbers are already checked }
|
|
msgidx[numpart]^[numidx]:=hp1;
|
|
end;
|
|
{ next string }
|
|
hp:=pchar(@hp[strlen(hp)+1]);
|
|
end;
|
|
end;
|
|
|
|
|
|
function GetMsgLine(var p:pchar):string;
|
|
var
|
|
i : longint;
|
|
begin
|
|
i:=0;
|
|
while not(p^ in [#0,#10]) and (i<255) do
|
|
begin
|
|
inc(i);
|
|
GetMsgLine[i]:=p^;
|
|
inc(p);
|
|
end;
|
|
{ skip #10 }
|
|
if p^=#10 then
|
|
inc(p);
|
|
{ if #0 then set p to nil }
|
|
if p^=#0 then
|
|
p:=nil;
|
|
{ return string }
|
|
GetMsgLine[0]:=chr(i);
|
|
end;
|
|
|
|
|
|
function TMessage.GetPChar(nr:longint):pchar;
|
|
begin
|
|
GetPChar:=msgidx[nr div 1000]^[nr mod 1000];
|
|
end;
|
|
|
|
|
|
function TMessage.Get(nr:longint):string;
|
|
var
|
|
s : string[16];
|
|
hp : pchar;
|
|
begin
|
|
hp:=msgidx[nr div 1000]^[nr mod 1000];
|
|
if hp=nil then
|
|
begin
|
|
Str(nr,s);
|
|
Get:='msg nr '+s;
|
|
end
|
|
else
|
|
Get:=StrPas(hp);
|
|
end;
|
|
|
|
|
|
function TMessage.Get4(nr:longint;const s1,s2,s3,s4:string):string;
|
|
begin
|
|
Get4:=MsgReplace(Get(nr),s1,s2,s3,s4);
|
|
end;
|
|
|
|
|
|
function TMessage.Get3(nr:longint;const s1,s2,s3:string):string;
|
|
begin
|
|
Get3:=MsgReplace(Get(nr),s1,s2,s3,'');
|
|
end;
|
|
|
|
|
|
function TMessage.Get2(nr:longint;const s1,s2:string):string;
|
|
begin
|
|
Get2:=MsgReplace(Get(nr),s1,s2,'','');
|
|
end;
|
|
|
|
|
|
function TMessage.Get1(nr:longint;const s1:string):string;
|
|
begin
|
|
Get1:=MsgReplace(Get(nr),s1,'','','');
|
|
end;
|
|
|
|
|
|
end.
|
|
{
|
|
$Log$
|
|
Revision 1.8 2003-05-10 23:57:23 florian
|
|
* vmtpointer_offset must be adjusted in after_pass1 as well
|
|
|
|
Revision 1.7 2003/04/22 14:33:38 peter
|
|
* removed some notes/hints
|
|
|
|
Revision 1.6 2002/05/18 13:34:06 peter
|
|
* readded missing revisions
|
|
|
|
Revision 1.5 2002/05/16 19:46:35 carl
|
|
+ defines.inc -> fpcdefs.inc to avoid conflicts if compiling by hand
|
|
+ try to fix temp allocation (still in ifdef)
|
|
+ generic constructor calls
|
|
+ start of tassembler / tmodulebase class cleanup
|
|
|
|
Revision 1.3 2002/04/19 15:41:39 peter
|
|
* better replacements that also allow $1 in the replacements without
|
|
replacing that instance also
|
|
|
|
Revision 1.2 2002/03/01 12:41:40 peter
|
|
* fixed Message4()
|
|
|
|
}
|