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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 :
21 : /**************************************************************************
22 : TODO
23 : **************************************************************************
24 :
25 : *************************************************************************/
26 :
27 : #include "rtl/ustrbuf.hxx"
28 : #include "osl/diagnose.h"
29 :
30 : #include "hierarchyuri.hxx"
31 :
32 : using namespace hierarchy_ucp;
33 :
34 :
35 :
36 : #define DEFAULT_DATA_SOURCE_SERVICE \
37 : "com.sun.star.ucb.DefaultHierarchyDataSource"
38 :
39 :
40 :
41 :
42 : // HierarchyUri Implementation.
43 :
44 :
45 :
46 :
47 4 : void HierarchyUri::init() const
48 : {
49 : // Already inited?
50 4 : if ( !m_aUri.isEmpty() && m_aPath.isEmpty() )
51 : {
52 : // Note: Maybe it's a re-init, setUri only resets m_aPath!
53 3 : m_aService.clear();
54 3 : m_aParentUri.clear();
55 3 : m_aName.clear();
56 :
57 : // URI must match at least: <sheme>:
58 3 : if ( ( m_aUri.getLength() < HIERARCHY_URL_SCHEME_LENGTH + 1 ) )
59 : {
60 : // error, but remember that we did a init().
61 0 : m_aPath = "/";
62 0 : return;
63 : }
64 :
65 : // Scheme is case insensitive.
66 : OUString aScheme
67 3 : = m_aUri.copy( 0, HIERARCHY_URL_SCHEME_LENGTH ).toAsciiLowerCase();
68 3 : if ( aScheme == HIERARCHY_URL_SCHEME )
69 : {
70 3 : m_aUri = m_aUri.replaceAt( 0, aScheme.getLength(), aScheme );
71 :
72 3 : sal_Int32 nPos = 0;
73 :
74 : // If the URI has no service specifier, insert default service.
75 : // This is for backward compatibility and for convenience.
76 :
77 3 : if ( m_aUri.getLength() == HIERARCHY_URL_SCHEME_LENGTH + 1 )
78 : {
79 : // root folder URI without path and service specifier.
80 0 : m_aUri += "//" DEFAULT_DATA_SOURCE_SERVICE "/";
81 0 : m_aService = DEFAULT_DATA_SOURCE_SERVICE ;
82 :
83 0 : nPos = m_aUri.getLength() - 1;
84 : }
85 6 : else if ( ( m_aUri.getLength() == HIERARCHY_URL_SCHEME_LENGTH + 2 )
86 4 : &&
87 1 : ( m_aUri[ HIERARCHY_URL_SCHEME_LENGTH + 1 ] == '/' ) )
88 : {
89 : // root folder URI without service specifier.
90 1 : m_aUri += "/" DEFAULT_DATA_SOURCE_SERVICE "/";
91 1 : m_aService = DEFAULT_DATA_SOURCE_SERVICE;
92 :
93 1 : nPos = m_aUri.getLength() - 1;
94 : }
95 4 : else if ( ( m_aUri.getLength() > HIERARCHY_URL_SCHEME_LENGTH + 2 )
96 4 : &&
97 2 : ( m_aUri[ HIERARCHY_URL_SCHEME_LENGTH + 2 ] != '/' ) )
98 : {
99 : // other (no root folder) URI without service specifier.
100 0 : m_aUri = m_aUri.replaceAt(
101 : HIERARCHY_URL_SCHEME_LENGTH + 2,
102 : 0,
103 0 : OUString( "/" DEFAULT_DATA_SOURCE_SERVICE "/" ) );
104 0 : m_aService = DEFAULT_DATA_SOURCE_SERVICE;
105 :
106 : nPos
107 0 : = HIERARCHY_URL_SCHEME_LENGTH + 3 + m_aService.getLength();
108 : }
109 : else
110 : {
111 : // URI with service specifier.
112 2 : sal_Int32 nStart = HIERARCHY_URL_SCHEME_LENGTH + 3;
113 :
114 : // Here: - m_aUri has at least the form "<scheme>://"
115 : // - nStart points to char after <scheme>:
116 :
117 : // Only <scheme>:// ?
118 2 : if ( nStart == m_aUri.getLength() )
119 : {
120 : // error, but remember that we did a init().
121 0 : m_aPath = "/";
122 0 : return;
123 : }
124 :
125 : // Empty path segments?
126 4 : if ( m_aUri.indexOf(
127 : OUString("//"),
128 4 : nStart ) != -1 )
129 : {
130 : // error, but remember that we did a init().
131 0 : m_aPath = "/";
132 0 : return;
133 : }
134 :
135 2 : sal_Int32 nEnd = m_aUri.indexOf( '/', nStart );
136 :
137 : // Only <scheme>:/// ?
138 2 : if ( nEnd == nStart )
139 : {
140 : // error, but remember that we did a init().
141 0 : m_aPath = "/";
142 0 : return;
143 : }
144 :
145 2 : if ( nEnd == -1 )
146 : {
147 : // Trailing slash missing.
148 0 : nEnd = m_aUri.getLength();
149 0 : m_aUri += "/";
150 : }
151 :
152 2 : m_aService = m_aUri.copy( nStart, nEnd - nStart );
153 :
154 2 : nPos = nEnd;
155 : }
156 :
157 : // Here: - m_aUri has at least the form "<scheme>://<service>/"
158 : // - m_aService was set
159 : // - m_aPath, m_aParentPath, m_aName not yet set
160 : // - nPos points to slash after service specifier
161 :
162 : // Remove trailing slash, if not a root folder URI.
163 3 : sal_Int32 nEnd = m_aUri.lastIndexOf( '/' );
164 3 : if ( ( nEnd > nPos ) && ( nEnd == ( m_aUri.getLength() - 1 ) ) )
165 0 : m_aUri = m_aUri.copy( 0, nEnd );
166 :
167 : // Path (includes leading slash)
168 3 : m_aPath = m_aUri.copy( nPos );
169 :
170 : // parent URI + name
171 3 : sal_Int32 nLastSlash = m_aUri.lastIndexOf( '/' );
172 6 : if ( ( nLastSlash != -1 ) &&
173 3 : ( nLastSlash != m_aUri.getLength() - 1 ) ) // root
174 : {
175 0 : m_aParentUri = m_aUri.copy( 0, nLastSlash );
176 0 : m_aName = m_aUri.copy( nLastSlash + 1 );
177 : }
178 :
179 : // success
180 3 : m_bValid = true;
181 : }
182 : else
183 : {
184 : // error, but remember that we did a init().
185 0 : m_aPath = "/";
186 3 : }
187 : }
188 : }
189 :
190 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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