1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 // MARKER(update_precomp.py): autogen include statement, do not remove 25 #include "precompiled_ucb.hxx" 26 27 /************************************************************************** 28 TODO 29 ************************************************************************** 30 31 *************************************************************************/ 32 33 #include "rtl/ustrbuf.hxx" 34 #include "osl/diagnose.h" 35 36 #include "hierarchyuri.hxx" 37 38 using namespace hierarchy_ucp; 39 40 //========================================================================= 41 42 #define DEFAULT_DATA_SOURCE_SERVICE \ 43 "com.sun.star.ucb.DefaultHierarchyDataSource" 44 45 //========================================================================= 46 //========================================================================= 47 // 48 // HierarchyUri Implementation. 49 // 50 //========================================================================= 51 //========================================================================= 52 53 void HierarchyUri::init() const 54 { 55 // Already inited? 56 if ( m_aUri.getLength() && !m_aPath.getLength() ) 57 { 58 // Note: Maybe it's a re-init, setUri only resets m_aPath! 59 m_aService = m_aParentUri = m_aName = rtl::OUString(); 60 61 // URI must match at least: <sheme>: 62 if ( ( m_aUri.getLength() < HIERARCHY_URL_SCHEME_LENGTH + 1 ) ) 63 { 64 // error, but remember that we did a init(). 65 m_aPath = rtl::OUString::createFromAscii( "/" ); 66 return; 67 } 68 69 // Scheme is case insensitive. 70 rtl::OUString aScheme 71 = m_aUri.copy( 0, HIERARCHY_URL_SCHEME_LENGTH ).toAsciiLowerCase(); 72 if ( aScheme.equalsAsciiL( 73 RTL_CONSTASCII_STRINGPARAM( HIERARCHY_URL_SCHEME ) ) ) 74 { 75 m_aUri = m_aUri.replaceAt( 0, aScheme.getLength(), aScheme ); 76 77 sal_Int32 nPos = 0; 78 79 // If the URI has no service specifier, insert default service. 80 // This is for backward compatibility and for convenience. 81 82 if ( m_aUri.getLength() == HIERARCHY_URL_SCHEME_LENGTH + 1 ) 83 { 84 // root folder URI without path and service specifier. 85 m_aUri += rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( 86 "//" DEFAULT_DATA_SOURCE_SERVICE "/" ) ); 87 m_aService 88 = rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( 89 DEFAULT_DATA_SOURCE_SERVICE ) ); 90 91 nPos = m_aUri.getLength() - 1; 92 } 93 else if ( ( m_aUri.getLength() == HIERARCHY_URL_SCHEME_LENGTH + 2 ) 94 && 95 ( m_aUri.getStr()[ HIERARCHY_URL_SCHEME_LENGTH + 1 ] 96 == sal_Unicode( '/' ) ) ) 97 { 98 // root folder URI without service specifier. 99 m_aUri += rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( 100 "/" DEFAULT_DATA_SOURCE_SERVICE "/" ) ); 101 m_aService 102 = rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( 103 DEFAULT_DATA_SOURCE_SERVICE ) ); 104 105 nPos = m_aUri.getLength() - 1; 106 } 107 else if ( ( m_aUri.getLength() > HIERARCHY_URL_SCHEME_LENGTH + 2 ) 108 && 109 ( m_aUri.getStr()[ HIERARCHY_URL_SCHEME_LENGTH + 2 ] 110 != sal_Unicode( '/' ) ) ) 111 { 112 // other (no root folder) URI without service specifier. 113 m_aUri = m_aUri.replaceAt( 114 HIERARCHY_URL_SCHEME_LENGTH + 2, 115 0, 116 rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( 117 "/" DEFAULT_DATA_SOURCE_SERVICE "/" ) ) ); 118 m_aService 119 = rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( 120 DEFAULT_DATA_SOURCE_SERVICE ) ); 121 122 nPos 123 = HIERARCHY_URL_SCHEME_LENGTH + 3 + m_aService.getLength(); 124 } 125 else 126 { 127 // URI with service specifier. 128 sal_Int32 nStart = HIERARCHY_URL_SCHEME_LENGTH + 3; 129 130 // Here: - m_aUri has at least the form "<scheme>://" 131 // - nStart points to char after <scheme>:// 132 133 // Only <scheme>:// ? 134 if ( nStart == m_aUri.getLength() ) 135 { 136 // error, but remember that we did a init(). 137 m_aPath = rtl::OUString::createFromAscii( "/" ); 138 return; 139 } 140 141 // Empty path segments? 142 if ( m_aUri.indexOf( 143 rtl::OUString::createFromAscii( "//" ), 144 nStart ) != -1 ) 145 { 146 // error, but remember that we did a init(). 147 m_aPath = rtl::OUString::createFromAscii( "/" ); 148 return; 149 } 150 151 sal_Int32 nEnd = m_aUri.indexOf( '/', nStart ); 152 153 // Only <scheme>:/// ? 154 if ( nEnd == nStart ) 155 { 156 // error, but remember that we did a init(). 157 m_aPath = rtl::OUString::createFromAscii( "/" ); 158 return; 159 } 160 161 if ( nEnd == -1 ) 162 { 163 // Trailing slash missing. 164 nEnd = m_aUri.getLength(); 165 m_aUri += rtl::OUString::createFromAscii( "/" ); 166 } 167 168 m_aService = m_aUri.copy( nStart, nEnd - nStart ); 169 170 nPos = nEnd; 171 } 172 173 // Here: - m_aUri has at least the form "<scheme>://<service>/" 174 // - m_aService was set 175 // - m_aPath, m_aParentPath, m_aName not yet set 176 // - nPos points to slash after service specifier 177 178 // Remove trailing slash, if not a root folder URI. 179 sal_Int32 nEnd = m_aUri.lastIndexOf( '/' ); 180 if ( ( nEnd > nPos ) && ( nEnd == ( m_aUri.getLength() - 1 ) ) ) 181 m_aUri = m_aUri.copy( 0, nEnd ); 182 183 // Path (includes leading slash) 184 m_aPath = m_aUri.copy( nPos ); 185 186 // parent URI + name 187 sal_Int32 nLastSlash = m_aUri.lastIndexOf( '/' ); 188 if ( ( nLastSlash != -1 ) && 189 ( nLastSlash != m_aUri.getLength() - 1 ) ) // root 190 { 191 m_aParentUri = m_aUri.copy( 0, nLastSlash ); 192 m_aName = m_aUri.copy( nLastSlash + 1 ); 193 } 194 195 // success 196 m_bValid = true; 197 } 198 else 199 { 200 // error, but remember that we did a init(). 201 m_aPath = rtl::OUString::createFromAscii( "/" ); 202 } 203 } 204 } 205 206