1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
|
{
Dummy process.inc - the simplest version based on SysUtils.ExecuteProcess
}
uses
Exec, AmigaDos, Utility;
Resourcestring
SNoCommandLine = 'Cannot execute empty command-line';
SErrCannotExecute = 'Failed to execute %s : %d';
SErrNoSuchProgram = 'Executable not found: "%s"';
procedure TProcess.CloseProcessHandles;
begin
end;
Function TProcess.PeekExitStatus : Boolean;
begin
Result := true; (* Dummy version assumes always synchronous execution *)
end;
function GetNextWordPos (const S: string): integer;
const
WhiteSpace = [' ', #9, #10, #13];
Literals = ['"', ''''];
var
WStart: integer;
InLiteral: boolean;
LastLiteral: char;
begin
WStart := 1;
(* Skip whitespaces at the beginning *)
while (WStart <= Length (S)) and (S [WStart] in WhiteSpace) do
Inc (WStart);
InLiteral := false;
LastLiteral := #0;
while (WStart <= Length (S)) and
(not (S [WStart] in WhiteSpace) or InLiteral) do
begin
if S [WStart] in Literals then
if InLiteral then
InLiteral := not (S [WStart] = LastLiteral)
else
begin
InLiteral := true;
LastLiteral := S [WStart];
end;
Inc (WStart);
end;
(* Skip whitespaces at the end *)
while (WStart <= Length (S)) and (S [WStart] in WhiteSpace) do
Inc (WStart);
Result := WStart;
end;
function MaybeQuote (const S: string): string;
begin
if (Pos (' ', S) <> 0) then
Result := '"' + S + '"'
else
Result := S;
end;
var
UID: Integer = 0;
Procedure TProcess.Execute;
var
I: integer;
ExecName, FoundName: string;
E2: EProcess;
OrigDir: string;
Params: string;
TempName: string;
cos: BPTR;
begin
if (ApplicationName = '') and (CommandLine = '') and (Executable = '') then
raise EProcess.Create (SNoCommandline);
if (FApplicationName <> '') then
ExecName := FApplicationName;
if (FCommandLine <> '') then
begin
Params := FCommandLine;
if ExecName = '' then
begin
I := GetNextWordPos (Params);
ExecName := Copy (Params, 1, Pred (I));
ExecName := Trim (ExecName);
Delete (Params, 1, Pred (I));
end
else if Copy (FCommandLine, 1, Length (ExecName)) = ExecName then
Delete (Params, 1, Succ (Length (ExecName)))
else
Delete (Params, 1, Pred (GetNextWordPos (Params)));
Params := Trim (Params);
end
else
for I := 0 to Pred (Parameters.Count) do
Params := Params + ' ' + MaybeQuote (Parameters [I]);
if (FExecutable <> '') and (ExecName = '') then
ExecName := Executable;
if not FileExists (ExecName) then
begin
FoundName := ExeSearch (ExecName, '');
if FoundName <> '' then
ExecName := FoundName
else
raise EProcess.CreateFmt (SErrNoSuchProgram, [ExecName]);
end;
if (FCurrentDirectory <> '') then
begin
GetDir (0, OrigDir);
ChDir (FCurrentDirectory);
end;
try
cos := BPTR(0);
repeat
Inc(UID);
TempName := 'T:PrO_'+ HexStr(FindTask(nil)) + '_' + IntToHex(UID,8);
until not FileExists(TempName);
//sysdebugln('TProcess start: "' + ExecName + ' ' + Params+'" >' + TempName);
cos := AmigaDos.DosOpen(PChar(TempName), MODE_READWRITE);
FExitCode := LongInt(amigados.Execute(PChar(ExecName + ' ' + Params), BPTR(0), cos));
DosSeek(cos, 0, OFFSET_BEGINNING);
CreateStreams(0, THandle(cos),0);
//FExitCode := ExecuteProcess (ExecName, Params);
except
(* Normalize the raised exception so that it is aligned to other platforms. *)
On E: EOSError do
begin
raise EProcess.CreateFmt (SErrCannotExecute, [FCommandLine, E.ErrorCode]);
if (FCurrentDirectory <> '') then
ChDir (OrigDir);
end;
end;
if (FCurrentDirectory <> '') then
ChDir (OrigDir);
end;
Function TProcess.WaitOnExit : Boolean;
begin
Result:=True;
end;
Function TProcess.WaitOnExit(Timeout : DWord) : Boolean;
begin
Result:=True;
end;
Function TProcess.Suspend : Longint;
begin
Result:=0;
end;
Function TProcess.Resume : LongInt;
begin
Result:=0;
end;
Function TProcess.Terminate(AExitCode : Integer) : Boolean;
begin
Result:=False;
end;
Procedure TProcess.SetShowWindow (Value : TShowWindowOptions);
begin
end;
|