3e9e73ec59
which included commits to RCS files with non-trunk default branches. git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@625 212acab6-be3b-0410-9dea-997c60f758d6
122 lines
2.4 KiB
ObjectPascal
122 lines
2.4 KiB
ObjectPascal
{
|
|
NSIS ExDLL example
|
|
(C) 2001 - Peter Windridge
|
|
|
|
Fixed and formatted by Alexander Tereschenko
|
|
http://futuris.plastiqueweb.com/
|
|
|
|
Tested in Delphi 6.01
|
|
}
|
|
|
|
library exdll;
|
|
|
|
uses Windows;
|
|
|
|
type
|
|
VarConstants = (
|
|
INST_0,
|
|
INST_1, // $1
|
|
INST_2, // $2
|
|
INST_3, // $3
|
|
INST_4, // $4
|
|
INST_5, // $5
|
|
INST_6, // $6
|
|
INST_7, // $7
|
|
INST_8, // $8
|
|
INST_9, // $9
|
|
INST_R0, // $R0
|
|
INST_R1, // $R1
|
|
INST_R2, // $R2
|
|
INST_R3, // $R3
|
|
INST_R4, // $R4
|
|
INST_R5, // $R5
|
|
INST_R6, // $R6
|
|
INST_R7, // $R7
|
|
INST_R8, // $R8
|
|
INST_R9, // $R9
|
|
INST_CMDLINE, // $CMDLINE
|
|
INST_INSTDIR, // $INSTDIR
|
|
INST_OUTDIR, // $OUTDIR
|
|
INST_EXEDIR, // $EXEDIR
|
|
__INST_LAST
|
|
);
|
|
TVariableList = INST_0..__INST_LAST;
|
|
pstack_t = ^stack_t;
|
|
stack_t = record
|
|
next: pstack_t;
|
|
text: PChar;
|
|
end;
|
|
|
|
var
|
|
g_stringsize: integer;
|
|
g_stacktop: ^pstack_t;
|
|
g_variables: PChar;
|
|
g_hwndParent: HWND;
|
|
|
|
function PopString(str: PChar):integer;
|
|
var
|
|
th: pstack_t;
|
|
begin
|
|
if integer(g_stacktop^) = 0 then
|
|
begin
|
|
Result:=1;
|
|
Exit;
|
|
end;
|
|
th:=g_stacktop^;
|
|
lstrcpy(str,@th.text);
|
|
g_stacktop^ := th.next;
|
|
GlobalFree(HGLOBAL(th));
|
|
Result:=0;
|
|
end;
|
|
|
|
function PushString(str: PChar):integer;
|
|
var
|
|
th: pstack_t;
|
|
begin
|
|
if integer(g_stacktop) = 0 then
|
|
begin
|
|
Result:=1;
|
|
Exit;
|
|
end;
|
|
th:=pstack_t(GlobalAlloc(GPTR,sizeof(stack_t)+g_stringsize));
|
|
lstrcpyn(@th.text,str,g_stringsize);
|
|
th.next:=g_stacktop^;
|
|
g_stacktop^:=th;
|
|
Result:=0;
|
|
end;
|
|
|
|
function GetUserVariable(varnum: TVariableList):PChar;
|
|
begin
|
|
if (integer(varnum) < 0) or (integer(varnum) >= integer(__INST_LAST)) then
|
|
begin
|
|
Result:='';
|
|
Exit;
|
|
end;
|
|
Result:=g_variables+integer(varnum)*g_stringsize;
|
|
end;
|
|
|
|
function ex_dll(hwndParent: HWND; string_size: integer; variables: PChar; stacktop: pointer):integer; cdecl;
|
|
var
|
|
c: PChar;
|
|
buf: array[0..1024] of char;
|
|
begin
|
|
// set up global variables
|
|
g_stringsize:=string_size;
|
|
g_hwndParent:=hwndParent;
|
|
g_stringsize:=string_size;
|
|
g_stacktop:=stacktop;
|
|
g_variables:=variables;
|
|
|
|
c:=GetUserVariable(INST_0);
|
|
MessageBox(g_hwndParent,c,'The value of $0',MB_OK);
|
|
PopString(@buf);
|
|
MessageBox(g_hwndParent,@buf,'pop',MB_OK);
|
|
PushString(PChar('Hello, this is a push'));
|
|
|
|
Result:=1;
|
|
end;
|
|
|
|
exports ex_dll;
|
|
|
|
begin
|
|
end.
|