desktop/win32/source/unoinfo.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <cstddef>
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23 #include <wchar.h>
  24
  25 #define WIN32_LEAN_AND_MEAN
  26 #include <windows.h>
  27
  28 #include <tools/pathutils.hxx>
  29
  30 #define MY_LENGTH(s) (sizeof (s) / sizeof *(s) - 1)
  31 #define MY_STRING(s) (s), MY_LENGTH(s)
  32
  33 namespace {
  34
  35 wchar_t * getBrandPath(wchar_t * path) {
  36     DWORD n = GetModuleFileNameW(nullptr, path, MAX_PATH);
  37     if (n == 0 || n >= MAX_PATH) {
  38         exit(EXIT_FAILURE);
  39     }
  40     return tools::filename(path);
  41 }
  42
  43 void writeNull() {
  44     if (fwrite("\0\0", 1, 2, stdout) != 2) {
  45         exit(EXIT_FAILURE);
  46     }
  47 }
  48
  49 void writePath(
  50     wchar_t const * frontBegin, wchar_t const * frontEnd,
  51     wchar_t const * backBegin, std::size_t backLength)
  52 {
  53     wchar_t path[MAX_PATH];
  54     wchar_t * end = tools::buildPath(
  55         path, frontBegin, frontEnd, backBegin, backLength);
  56     if (end == nullptr) {
  57         exit(EXIT_FAILURE);
  58     }
  59     std::size_t n = (end - path) * sizeof (wchar_t);
  60     if (fwrite(path, 1, n, stdout) != n) {
  61         exit(EXIT_FAILURE);
  62     }
  63 }
  64
  65 }
  66
  67 int wmain(int argc, wchar_t ** argv, wchar_t **) {
  68     if (argc == 2 && wcscmp(argv[1], L"c++") == 0) {
  69         wchar_t path[MAX_PATH];
  70         wchar_t * pathEnd = getBrandPath(path);
  71         writePath(path, pathEnd, MY_STRING(L""));
  72     } else if (argc == 2 && wcscmp(argv[1], L"java") == 0) {
  73         if (fwrite("1", 1, 1, stdout) != 1) {
  74             exit(EXIT_FAILURE);
  75         }
  76         wchar_t path[MAX_PATH];
  77         wchar_t * pathEnd = getBrandPath(path);
  78         writePath(path, pathEnd, MY_STRING(L"classes\\libreoffice.jar"));
  79         writeNull();
  80         writePath(path, pathEnd, MY_STRING(L""));
  81     } else {
  82         exit(EXIT_FAILURE);
  83     }
  84     exit(EXIT_SUCCESS);
  85 }
  86
  87 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */