OVMS3-idf/tools/windows/tool_setup/utils.iss.inc
2019-07-01 18:08:02 +02:00

157 lines
4.2 KiB
PHP

{ Copyright 2019 Espressif Systems (Shanghai) PTE LTD
SPDX-License-Identifier: Apache-2.0 }
{ ------------------------------ Helper functions from libcmdlinerunner.dll ------------------------------ }
function ProcStart(cmdline, workdir: string): Longword;
external 'proc_start@files:cmdlinerunner.dll cdecl';
function ProcGetExitCode(inst: Longword): DWORD;
external 'proc_get_exit_code@files:cmdlinerunner.dll cdecl';
function ProcGetOutput(inst: Longword; dest: PAnsiChar; sz: DWORD): DWORD;
external 'proc_get_output@files:cmdlinerunner.dll cdecl';
procedure ProcEnd(inst: Longword);
external 'proc_end@files:cmdlinerunner.dll cdecl';
{ ------------------------------ WinAPI functions ------------------------------ }
#ifdef UNICODE
#define AW "W"
#else
#define AW "A"
#endif
function SetEnvironmentVariable(lpName: string; lpValue: string): BOOL;
external 'SetEnvironmentVariable{#AW}@kernel32.dll stdcall';
{ ------------------------------ Functions to query the registry ------------------------------ }
{ Utility to search in HKLM and HKCU for an installation path. Looks in both 64-bit & 32-bit registry. }
function GetInstallPath(key, valuename : String) : String;
var
value: String;
begin
Result := '';
if RegQueryStringValue(HKEY_LOCAL_MACHINE, key, valuename, value) then
begin
Result := value;
exit;
end;
if RegQueryStringValue(HKEY_CURRENT_USER, key, valuename, value) then
begin
Result := value;
exit;
end;
{ This is 32-bit setup running on 64-bit Windows, but ESP-IDF can use 64-bit tools also }
if IsWin64 and RegQueryStringValue(HKLM64, key, valuename, value) then
begin
Result := value;
exit;
end;
if IsWin64 and RegQueryStringValue(HKCU64, key, valuename, value) then
begin
Result := value;
exit;
end;
end;
{ ------------------------------ Function to exit from the installer ------------------------------ }
procedure AbortInstallation(Message: String);
begin
MsgBox(Message, mbError, MB_OK);
Abort();
end;
{ ------------------------------ File system related functions ------------------------------ }
function DirIsEmpty(DirName: String): Boolean;
var
FindRec: TFindRec;
begin
Result := True;
if FindFirst(DirName+'\*', FindRec) then begin
try
repeat
if (FindRec.Name <> '.') and (FindRec.Name <> '..') then begin
Result := False;
break;
end;
until not FindNext(FindRec);
finally
FindClose(FindRec);
end;
end;
end;
type
TFindFileCallback = procedure(Filename: String);
procedure FindFileRecusive(Directory: string; FileName: string; Callback: TFindFileCallback);
var
FindRec: TFindRec;
FilePath: string;
begin
if FindFirst(Directory + '\*', FindRec) then
begin
try
repeat
if (FindRec.Name = '.') or (FindRec.Name = '..') then
continue;
FilePath := Directory + '\' + FindRec.Name;
if FindRec.Attributes and FILE_ATTRIBUTE_DIRECTORY <> 0 then
begin
FindFileRecusive(FilePath, FileName, Callback);
end else if CompareText(FindRec.Name, FileName) = 0 then
begin
Callback(FilePath);
end;
until not FindNext(FindRec);
finally
FindClose(FindRec);
end;
end;
end;
{ ------------------------------ Version related functions ------------------------------ }
function VersionExtractMajorMinor(Version: String; var Major: Integer; var Minor: Integer): Boolean;
var
Delim: Integer;
MajorStr, MinorStr: String;
OrigVersion, ExpectedPrefix: String;
begin
Result := False;
OrigVersion := Version;
Delim := Pos('.', Version);
if Delim = 0 then exit;
MajorStr := Version;
Delete(MajorStr, Delim, Length(MajorStr));
Delete(Version, 1, Delim);
Major := StrToInt(MajorStr);
Delim := Pos('.', Version);
if Delim = 0 then Delim := Length(MinorStr);
MinorStr := Version;
Delete(MinorStr, Delim, Length(MinorStr));
Delete(Version, 1, Delim);
Minor := StrToInt(MinorStr);
{ Sanity check }
ExpectedPrefix := IntToStr(Major) + '.' + IntToStr(Minor);
if Pos(ExpectedPrefix, OrigVersion) <> 1 then
begin
Log('VersionExtractMajorMinor: version=' + OrigVersion + ', expected=' + ExpectedPrefix);
exit;
end;
Result := True;
end;