esp-idf/tools/windows/tool_setup/cmdline_page.iss.inc

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2019-04-28 22:36:03 -04:00
{ Copyright 2019 Espressif Systems (Shanghai) PTE LTD
SPDX-License-Identifier: Apache-2.0 }
{ ------------------------------ Progress & log page for command line tools ------------------------------ }
var
CmdlineInstallCancel: Boolean;
{ ------------------------------ Splitting strings into lines and adding them to TStrings ------------------------------ }
procedure StringsAddLine(Dest: TStrings; Line: String; var ReplaceLastLine: Boolean);
begin
if ReplaceLastLine then
begin
Dest.Strings[Dest.Count - 1] := Line;
ReplaceLastLine := False;
end else begin
Dest.Add(Line);
end;
end;
procedure StrSplitAppendToList(Text: String; Dest: TStrings; var LastLine: String);
var
pCR, pLF, Len: Integer;
Tmp: String;
ReplaceLastLine: Boolean;
begin
if Length(LastLine) > 0 then
begin
ReplaceLastLine := True;
Text := LastLine + Text;
end;
repeat
Len := Length(Text);
pLF := Pos(#10, Text);
pCR := Pos(#13, Text);
if (pLF > 0) and ((pCR = 0) or (pLF < pCR) or (pLF = pCR + 1)) then
begin
if pLF < pCR then
Tmp := Copy(Text, 1, pLF - 1)
else
Tmp := Copy(Text, 1, pLF - 2);
StringsAddLine(Dest, Tmp, ReplaceLastLine);
Text := Copy(Text, pLF + 1, Len)
end else begin
if (pCR = Len) or (pCR = 0) then
begin
break;
end;
Text := Copy(Text, pCR + 1, Len)
end;
until (pLF = 0) and (pCR = 0);
LastLine := Text;
if pCR = Len then
begin
Text := Copy(Text, 1, pCR - 1);
end;
if Length(LastLine) > 0 then
begin
StringsAddLine(Dest, Text, ReplaceLastLine);
end;
end;
{ ------------------------------ The actual command line install page ------------------------------ }
procedure OnCmdlineInstallCancel(Sender: TObject);
begin
CmdlineInstallCancel := True;
end;
function DoCmdlineInstall(caption, description, command: String): Boolean;
var
CmdlineInstallPage: TOutputProgressWizardPage;
Res: Integer;
Handle: Longword;
ExitCode: Integer;
LogTextAnsi: AnsiString;
LogText, LeftOver: String;
Memo: TNewMemo;
PrevCancelButtonOnClick: TNotifyEvent;
begin
CmdlineInstallPage := CreateOutputProgressPage('', '')
CmdlineInstallPage.Caption := caption;
CmdlineInstallPage.Description := description;
Memo := TNewMemo.Create(CmdlineInstallPage);
Memo.Top := CmdlineInstallPage.ProgressBar.Top + CmdlineInstallPage.ProgressBar.Height + ScaleY(8);
Memo.Width := CmdlineInstallPage.SurfaceWidth;
Memo.Height := ScaleY(120);
Memo.ScrollBars := ssVertical;
Memo.Parent := CmdlineInstallPage.Surface;
Memo.Lines.Clear();
CmdlineInstallPage.Show();
try
WizardForm.CancelButton.Visible := True;
WizardForm.CancelButton.Enabled := True;
PrevCancelButtonOnClick := WizardForm.CancelButton.OnClick;
WizardForm.CancelButton.OnClick := @OnCmdlineInstallCancel;
CmdlineInstallPage.SetProgress(0, 100);
CmdlineInstallPage.ProgressBar.Style := npbstMarquee;
ExitCode := -1;
Memo.Lines.Append('Running command: ' + command);
Handle := ProcStart(command, ExpandConstant('{tmp}'))
if Handle = 0 then
begin
Log('ProcStart failed');
ExitCode := -2;
end;
while (ExitCode = -1) and not CmdlineInstallCancel do
begin
ExitCode := ProcGetExitCode(Handle);
SetLength(LogTextAnsi, 4096);
Res := ProcGetOutput(Handle, LogTextAnsi, 4096)
if Res > 0 then
begin
SetLength(LogTextAnsi, Res);
LogText := LeftOver + String(LogTextAnsi);
StrSplitAppendToList(LogText, Memo.Lines, LeftOver);
end;
CmdlineInstallPage.SetProgress(0, 100);
Sleep(10);
end;
ProcEnd(Handle);
finally
Log('Done, exit code=' + IntToStr(ExitCode));
Log('--------');
Log(Memo.Lines.Text);
Log('--------');
if CmdlineInstallCancel then
begin
MsgBox('Installation has been cancelled.', mbError, MB_OK);
Result := False;
end else if ExitCode <> 0 then
begin
MsgBox('Installation has failed with exit code ' + IntToStr(ExitCode), mbError, MB_OK);
Result := False;
end else begin
Result := True;
end;
CmdlineInstallPage.Hide;
CmdlineInstallPage.Free;
WizardForm.CancelButton.OnClick := PrevCancelButtonOnClick;
end;
if not Result then
RaiseException('Installation has failed at step: ' + caption);
end;