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/* -*- 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 <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[MAX_PATH];
DWORD n = GetModuleFileNameW(nullptr, path, MAX_PATH);
if (n == 0 || n >= MAX_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);
}
}
wchar_t bootstrap[MY_LENGTH(L"vnd.sun.star.pathname:") + MAX_PATH] =
L"vnd.sun.star.pathname:"; //TODO: overflow
wchar_t * bootstrapEnd = tools::buildPath(
bootstrap + MY_LENGTH(L"vnd.sun.star.pathname:"), path, pathEnd,
MY_STRING(L"fundamental.ini"));
if (bootstrapEnd == nullptr) {
exit(EXIT_FAILURE);
}
wchar_t pythonpath2[MAX_PATH];
wchar_t * pythonpath2End = tools::buildPath(
pythonpath2, path, pathEnd,
MY_STRING(L"\\python-core-" PYTHON_VERSION_STRING L"\\lib"));
if (pythonpath2End == nullptr) {
exit(EXIT_FAILURE);
}
wchar_t pythonpath3[MAX_PATH];
wchar_t * pythonpath3End = tools::buildPath(
pythonpath3, path, pathEnd,
MY_STRING(L"\\python-core-" PYTHON_VERSION_STRING L"\\lib\\site-packages"));
if (pythonpath3End == nullptr) {
exit(EXIT_FAILURE);
}
wchar_t pythonhome[MAX_PATH];
wchar_t * pythonhomeEnd = tools::buildPath(
pythonhome, path, pathEnd, MY_STRING(L"\\python-core-" PYTHON_VERSION_STRING));
if (pythonhomeEnd == nullptr) {
exit(EXIT_FAILURE);
}
wchar_t pythonexe[MAX_PATH];
wchar_t * pythonexeEnd = tools::buildPath(
pythonexe, path, pathEnd,
MY_STRING(L"\\python-core-" PYTHON_VERSION_STRING L"\\bin\\python.exe"));
if (pythonexeEnd == nullptr) {
exit(EXIT_FAILURE);
}
std::size_t clSize = MY_LENGTH(L"\"") + 4 * (pythonexeEnd - pythonexe) +
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);
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";") + (pythonpath2End - pythonpath2) +
MY_LENGTH(L";") + (pythonpath3End - pythonpath3) +
(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, pythonpath3,
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)) {
exit(EXIT_FAILURE);
}
n = GetEnvironmentVariableW(L"URE_BOOTSTRAP", nullptr, 0);
if (n == 0) {
if (GetLastError() != ERROR_ENVVAR_NOT_FOUND ||
!SetEnvironmentVariableW(L"URE_BOOTSTRAP", bootstrap))
{
exit(EXIT_FAILURE);
}
}
STARTUPINFOW startinfo;
ZeroMemory(&startinfo, sizeof (STARTUPINFOW));
startinfo.cb = sizeof (STARTUPINFOW);
PROCESS_INFORMATION procinfo;
if (!CreateProcessW(
pythonexe, 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: */
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