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 "path_helper.hxx"
21 #include <osl/diagnose.h>
22 #include <rtl/ustring.hxx>
23 #include <sal/log.hxx>
24
25 #include <algorithm>
26 #include <wchar.h>
27
28 const OUString BACKSLASH ("\\");
29 const OUString SLASH ("/");
30
osl_systemPathEnsureSeparator(rtl_uString ** ppustrPath)31 void osl_systemPathEnsureSeparator(/*inout*/ rtl_uString** ppustrPath)
32 {
33 OSL_PRECOND(ppustrPath && (nullptr != *ppustrPath),
34 "osl_systemPathEnsureSeparator: Invalid parameter");
35
36 OUString path(*ppustrPath);
37 sal_Int32 i = std::max<sal_Int32>(path.lastIndexOf(BACKSLASH), path.lastIndexOf(SLASH));
38
39 if (i < (path.getLength()-1))
40 {
41 path += BACKSLASH;
42 rtl_uString_assign(ppustrPath, path.pData);
43 }
44
45 SAL_WARN_IF( !path.endsWith(BACKSLASH),
46 "sal.osl",
47 "osl_systemPathEnsureSeparator: Post condition failed");
48 }
49
osl_systemPathRemoveSeparator(rtl_uString ** ppustrPath)50 void osl_systemPathRemoveSeparator(/*inout*/ rtl_uString** ppustrPath)
51 {
52 OUString path(*ppustrPath);
53
54 if (!osl::systemPathIsLogicalDrivePattern(path))
55 {
56 sal_Int32 i = std::max<sal_Int32>(path.lastIndexOf(BACKSLASH), path.lastIndexOf(SLASH));
57
58 if (i > -1 && (i == (path.getLength() - 1)))
59 {
60 path = OUString(path.getStr(), path.getLength() - 1);
61 rtl_uString_assign(ppustrPath, path.pData);
62 }
63 }
64 }
65
66 // is [A-Za-z]:[/|\]\0
67 const sal_Char* const LDP = ":";
68 const sal_Char* const LDP_WITH_BACKSLASH = ":\\";
69 const sal_Char* const LDP_WITH_SLASH = ":/";
70
71 // degenerated case returned by the Windows FileOpen dialog
72 // when someone enters for instance "x:filename", the Win32
73 // API accepts this case
74 const sal_Char* const LDP_WITH_DOT_BACKSLASH = ":.\\";
75
osl_systemPathIsLogicalDrivePattern(const rtl_uString * pustrPath)76 bool osl_systemPathIsLogicalDrivePattern(/*in*/ const rtl_uString* pustrPath)
77 {
78 const sal_Unicode* p = rtl_uString_getStr(const_cast<rtl_uString*>(pustrPath));
79 if (iswalpha(*p++))
80 {
81 return ((0 == rtl_ustr_ascii_compare(p, LDP)) ||
82 (0 == rtl_ustr_ascii_compare(p, LDP_WITH_BACKSLASH)) ||
83 (0 == rtl_ustr_ascii_compare(p, LDP_WITH_SLASH)) ||
84 (0 == rtl_ustr_ascii_compare(p, LDP_WITH_DOT_BACKSLASH)));
85 }
86 return false;
87 }
88
89 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
90