/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <config_python.h>
#include <cstddef>
#include <stdlib.h>
#include <wchar.h>
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <systools/win32/extended_max_path.hxx>
#include <tools/pathutils.hxx>
#define MY_LENGTH(s) (
sizeof (s) /
sizeof *(s) - 1)
#define MY_STRING(s) (s), MY_LENGTH(s)
static wchar_t * encode(
wchar_t * buffer,
wchar_t const * text) {
*buffer++ = L
'"';
std::size_t n = 0;
for (;;) {
wchar_t c = *text++;
if (c == L
'\0') {
break;
}
else if (c == L
'"') {
// Double any preceding backslashes as required by Windows:
for (std::size_t i = 0; i < n; ++i) {
*buffer++ = L
'\\';
}
*buffer++ = L
'\\';
*buffer++ = L
'"';
n = 0;
}
else if (c == L
'\\') {
*buffer++ = L
'\\';
++n;
}
else {
*buffer++ = c;
n = 0;
}
}
// The command line will continue with a double quote, so double any
// preceding backslashes as required by Windows:
for (std::size_t i = 0; i < n; ++i) {
*buffer++ = L
'\\';
}
*buffer++ = L
'"';
return buffer;
}
int wmain(
int argc,
wchar_t ** argv,
wchar_t **) {
wchar_t path[EXTENDED_MAX_PATH];
DWORD n = GetModuleFileNameW(nullptr, path, std::size(path));
if (n == 0 || n >= std::size(path)) {
exit(EXIT_FAILURE);
}
wchar_t * pathEnd = tools::filename(path);
*pathEnd = L
'\0';
n = GetEnvironmentVariableW(L
"UNO_PATH", nullptr, 0);
if (n == 0) {
if (GetLastError() != ERROR_ENVVAR_NOT_FOUND ||
!SetEnvironmentVariableW(L
"UNO_PATH", path))
{
exit(EXIT_FAILURE);
}
}
std::wstring bootstrap = tools::buildPath({ path, pathEnd }, L
"fundamental.ini");
if (bootstrap.empty()) {
exit(EXIT_FAILURE);
}
bootstrap = L
"vnd.sun.star.pathname:" + bootstrap;
std::wstring pythonpath2 = tools::buildPath(
{ path, pathEnd },
L
"\\python-core-" PYTHON_VERSION_STRING L
"\\lib");
if (pythonpath2.empty()) {
exit(EXIT_FAILURE);
}
std::wstring pythonpath3 = tools::buildPath(
{ path, pathEnd },
L
"\\python-core-" PYTHON_VERSION_STRING L
"\\lib\\site-packages");
if (pythonpath3.empty()) {
exit(EXIT_FAILURE);
}
std::wstring pythonhome = tools::buildPath(
{ path, pathEnd },
L
"\\python-core-" PYTHON_VERSION_STRING);
if (pythonhome.empty()) {
exit(EXIT_FAILURE);
}
std::wstring pythonexe = tools::buildPath(
{ path, pathEnd },
L
"\\python-core-" PYTHON_VERSION_STRING L
"\\bin\\python.exe");
if (pythonexe.empty()) {
exit(EXIT_FAILURE);
}
std::size_t clSize = MY_LENGTH(L
"\"") + 4 * pythonexe.size() +
MY_LENGTH(L
"\"\0
"); //TODO: overflow
// 4 * len: each char preceded by backslash, each trailing backslash
// doubled
for (
int i = 1; i < argc; ++i) {
clSize += MY_LENGTH(L
" \"") + 4 * wcslen(argv[i]) + MY_LENGTH(L"\
"");
//TODO: overflow
}
wchar_t * cl =
new wchar_t[clSize];
wchar_t * cp = encode(cl, pythonhome.data());
for (
int i = 1; i < argc; ++i) {
*cp++ = L
' ';
cp = encode(cp, argv[i]);
}
*cp = L
'\0';
n = GetEnvironmentVariableW(L
"PATH", nullptr, 0);
wchar_t * orig;
if (n == 0) {
if (GetLastError() != ERROR_ENVVAR_NOT_FOUND) {
exit(EXIT_FAILURE);
}
orig =
const_cast<
wchar_t *>(L
"");
}
else {
orig =
new wchar_t[n];
if (GetEnvironmentVariableW(L
"PATH", orig, n) != n - 1)
{
exit(EXIT_FAILURE);
}
}
std::size_t len = (pathEnd - path) + (n == 0 ? 0 : MY_LENGTH(L
";") +
(n - 1)) + 1;
//TODO: overflow
wchar_t * value =
new wchar_t[len];
_snwprintf(
value, len, L
"%s%s%s", path, n == 0 ? L
"" : L
";", orig);
if (!SetEnvironmentVariableW(L
"PATH", value)) {
exit(EXIT_FAILURE);
}
if (n != 0) {
delete [] orig;
}
delete [] value;
n = GetEnvironmentVariableW(L
"PYTHONPATH", nullptr, 0);
if (n == 0) {
if (GetLastError() != ERROR_ENVVAR_NOT_FOUND) {
exit(EXIT_FAILURE);
}
orig =
const_cast<
wchar_t *>(L
"");
}
else {
orig =
new wchar_t[n];
if (GetEnvironmentVariableW(L
"PYTHONPATH", orig, n) != n - 1)
{
exit(EXIT_FAILURE);
}
}
len = (pathEnd - path) + MY_LENGTH(L
";") + pythonpath2.size() +
MY_LENGTH(L
";") + pythonpath3.size() +
(n == 0 ? 0 : MY_LENGTH(L
";") + (n - 1)) + 1;
//TODO: overflow
value =
new wchar_t[len];
_snwprintf(
value, len, L
"%s;%s;%s%s%s", path, pythonpath2.c_str(), pythonpath3.c_str(),
n == 0 ? L
"" : L
";", orig);
if (!SetEnvironmentVariableW(L
"PYTHONPATH", value)) {
exit(EXIT_FAILURE);
}
if (n != 0) {
delete [] orig;
}
delete [] value;
if (!SetEnvironmentVariableW(L
"PYTHONHOME", pythonhome.data())) {
exit(EXIT_FAILURE);
}
n = GetEnvironmentVariableW(L
"URE_BOOTSTRAP", nullptr, 0);
if (n == 0) {
if (GetLastError() != ERROR_ENVVAR_NOT_FOUND ||
!SetEnvironmentVariableW(L
"URE_BOOTSTRAP", bootstrap.data()))
{
exit(EXIT_FAILURE);
}
}
STARTUPINFOW startinfo{ .cb =
sizeof(startinfo) };
PROCESS_INFORMATION procinfo;
if (!CreateProcessW(
pythonexe.data(), cl, nullptr, nullptr,
FALSE, CREATE_UNICODE_ENVIRONMENT, nullptr,
nullptr, &startinfo, &procinfo)) {
exit(EXIT_FAILURE);
}
WaitForSingleObject(procinfo.hProcess,INFINITE);
DWORD exitStatus;
GetExitCodeProcess(procinfo.hProcess,&exitStatus);
exit(exitStatus);
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */