cppuhelper/source/paths.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 <config_folders.h>
  21
  22 #include <sal/config.h>
  23
  24 #include <cassert>
  25
  26 #include <com/sun/star/uno/DeploymentException.hpp>
  27 #include <osl/file.hxx>
  28 #include <osl/module.hxx>
  29 #include <rtl/ustring.hxx>
  30 #include <sal/types.h>
  31 #include <o3tl/string_view.hxx>
  32
  33 #include "paths.hxx"
  34
  35 namespace {
  36
  37 #if !(defined ANDROID || defined EMSCRIPTEN)
  38 OUString get_this_libpath() {
  39     static OUString s_uri = []() {
  40         OUString uri;
  41         osl::Module::getUrlFromAddress(reinterpret_cast<oslGenericFunction>(get_this_libpath), uri);
  42         sal_Int32 i = uri.lastIndexOf('/');
  43         if (i == -1)
  44         {
  45             throw css::uno::DeploymentException("URI " + uri + " is expected to contain a slash");
  46         }
  47         return uri.copy(0, i);
  48     }();
  49
  50     return s_uri;
  51 }
  52 #endif
  53 }
  54
  55 OUString cppu::getUnoIniUri() {
  56 #if defined ANDROID
  57     // Wouldn't it be lovely to avoid this ugly hard-coding.
  58     // The problem is that the 'create_bootstrap_macro_expander_factory()'
  59     // required for bootstrapping services, calls cppu::get_unorc directly
  60     // instead of re-using the BootstrapHandle from:
  61     //     defaultBootstrap_InitialComponentContext
  62     // and since rtlBootstrapHandle is not ref-counted doing anything
  63     // clean here is hardish.
  64     OUString uri("file:///assets/program");
  65 #elif defined(EMSCRIPTEN)
  66     OUString uri("file:///instdir/program");
  67 #else
  68     OUString uri(get_this_libpath());
  69 #ifdef MACOSX
  70     // We keep the URE dylibs directly in "Frameworks" (that is, LIBO_LIB_FOLDER) and unorc in
  71     // "Resources/ure/etc" (LIBO_URE_ETC_FOLDER).
  72     if (uri.endsWith( "/" LIBO_LIB_FOLDER ) )
  73     {
  74         uri = OUString::Concat(uri.subView( 0, uri.getLength() - (sizeof(LIBO_LIB_FOLDER)-1) )) + LIBO_URE_ETC_FOLDER;
  75     }
  76 #endif
  77 #endif
  78     return uri + "/" SAL_CONFIGFILE("uno");
  79 }
  80
  81 bool cppu::nextDirectoryItem(osl::Directory & directory, OUString * url) {
  82     assert(url != nullptr);
  83     for (;;) {
  84         osl::DirectoryItem i;
  85         switch (directory.getNextItem(i, SAL_MAX_UINT32)) {
  86         case osl::FileBase::E_None:
  87             break;
  88         case osl::FileBase::E_NOENT:
  89             return false;
  90         default:
  91             throw css::uno::DeploymentException(
  92                 "Cannot iterate directory");
  93         }
  94         osl::FileStatus stat(
  95             osl_FileStatus_Mask_Type | osl_FileStatus_Mask_FileName |
  96             osl_FileStatus_Mask_FileURL);
  97         if (i.getFileStatus(stat) != osl::FileBase::E_None) {
  98             throw css::uno::DeploymentException(
  99                 "Cannot stat in directory");
 100         }
 101         if (stat.getFileType() != osl::FileStatus::Directory) { //TODO: symlinks
 102             // Ignore backup and spurious junk files:
 103             OUString name(stat.getFileName());
 104             if (name.startsWith(".") || !name.endsWithIgnoreAsciiCase(u".rdb")) {
 105                 SAL_WARN("cppuhelper", "ignoring <" << stat.getFileURL() << ">");
 106             } else {
 107                 *url = stat.getFileURL();
 108                 return true;
 109             }
 110         }
 111     }
 112 }
 113
 114 void cppu::decodeRdbUri(std::u16string_view * uri, bool * optional, bool * directory)
 115 {
 116     assert(uri != nullptr && optional != nullptr && directory != nullptr);
 117     if(!(uri->empty()))
 118     {
 119         *optional = (*uri)[0] == '?';
 120         if (*optional) {
 121             *uri = uri->substr(1);
 122         }
 123         *directory = o3tl::starts_with(*uri, u"<") && o3tl::ends_with(*uri, u">*");
 124         if (*directory) {
 125             *uri = uri->substr(1, uri->size() - 3);
 126         }
 127     }
 128     else
 129     {
 130         *optional = false;
 131         *directory = false;
 132     }
 133 }
 134
 135 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */