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_stoc.hxx" 26 #include <osl/diagnose.h> 27 #include "tdmgr_common.hxx" 28 #include "tdmgr_tdenumeration.hxx" 29 30 using namespace com::sun::star; 31 32 extern rtl_StandardModuleCount g_moduleCount; 33 34 namespace stoc_tdmgr 35 { 36 37 //========================================================================= 38 //========================================================================= 39 // 40 // TypeDescriptionEnumerationImpl Implementation. 41 // 42 //========================================================================= 43 //========================================================================= 44 45 TypeDescriptionEnumerationImpl::TypeDescriptionEnumerationImpl( 46 const rtl::OUString & rModuleName, 47 const com::sun::star::uno::Sequence< 48 com::sun::star::uno::TypeClass > & rTypes, 49 com::sun::star::reflection::TypeDescriptionSearchDepth eDepth, 50 const TDEnumerationAccessStack & rTDEAS ) 51 : m_aModuleName( rModuleName ), 52 m_aTypes( rTypes ), 53 m_eDepth( eDepth ), 54 m_aChildren( rTDEAS ) 55 { 56 ::g_moduleCount.modCnt.acquire( &::g_moduleCount.modCnt ); 57 } 58 59 //========================================================================= 60 // virtual 61 TypeDescriptionEnumerationImpl::~TypeDescriptionEnumerationImpl() 62 { 63 ::g_moduleCount.modCnt.release( &::g_moduleCount.modCnt ); 64 } 65 66 //========================================================================= 67 // 68 // XEnumeration (base of XTypeDescriptionEnumeration) methods 69 // 70 //========================================================================= 71 72 // virtual 73 sal_Bool SAL_CALL TypeDescriptionEnumerationImpl::hasMoreElements() 74 throw ( uno::RuntimeException ) 75 { 76 uno::Reference< reflection::XTypeDescriptionEnumeration > xEnum 77 = queryCurrentChildEnumeration(); 78 if ( xEnum.is() ) 79 return xEnum->hasMoreElements(); 80 81 return sal_False; 82 } 83 84 //========================================================================= 85 // virtual 86 uno::Any SAL_CALL TypeDescriptionEnumerationImpl::nextElement() 87 throw ( container::NoSuchElementException, 88 lang::WrappedTargetException, 89 uno::RuntimeException ) 90 { 91 uno::Reference< reflection::XTypeDescriptionEnumeration > xEnum 92 = queryCurrentChildEnumeration(); 93 if ( xEnum.is() ) 94 return xEnum->nextElement(); 95 96 throw container::NoSuchElementException( 97 rtl::OUString::createFromAscii( 98 "No further elements in enumeration!" ), 99 static_cast< cppu::OWeakObject * >( this ) ); 100 } 101 102 //========================================================================= 103 // 104 // XTypeDescriptionEnumeration methods 105 // 106 //========================================================================= 107 108 // virtual 109 uno::Reference< reflection::XTypeDescription > SAL_CALL 110 TypeDescriptionEnumerationImpl::nextTypeDescription() 111 throw ( container::NoSuchElementException, 112 uno::RuntimeException ) 113 { 114 uno::Reference< reflection::XTypeDescriptionEnumeration > xEnum 115 = queryCurrentChildEnumeration(); 116 if ( xEnum.is() ) 117 return xEnum->nextTypeDescription(); 118 119 throw container::NoSuchElementException( 120 rtl::OUString::createFromAscii( 121 "No further elements in enumeration!" ), 122 static_cast< cppu::OWeakObject * >( this ) ); 123 } 124 125 //========================================================================= 126 uno::Reference< reflection::XTypeDescriptionEnumeration > 127 TypeDescriptionEnumerationImpl::queryCurrentChildEnumeration() 128 { 129 osl::MutexGuard aGuard( m_aMutex ); 130 131 for (;;) 132 { 133 if ( m_xEnum.is() ) 134 { 135 if ( m_xEnum->hasMoreElements() ) 136 { 137 return m_xEnum; 138 } 139 else 140 { 141 // Forget about enumeration without further elements. Try next. 142 m_xEnum.clear(); 143 } 144 } 145 146 // Note: m_xEnum is always null here. 147 148 if ( m_aChildren.empty() ) 149 { 150 // No child enumerations left. 151 return m_xEnum; 152 } 153 154 try 155 { 156 m_xEnum = 157 m_aChildren.top()->createTypeDescriptionEnumeration( 158 m_aModuleName, m_aTypes, m_eDepth ); 159 } 160 catch ( reflection::NoSuchTypeNameException const & ) 161 { 162 OSL_ENSURE( sal_False, 163 "TypeDescriptionEnumerationImpl::queryCurrentChildEnumeration " 164 "- Caught NoSuchTypeNameException!" ); 165 } 166 catch ( reflection::InvalidTypeNameException const & ) 167 { 168 OSL_ENSURE( sal_False, 169 "TypeDescriptionEnumerationImpl::queryCurrentChildEnumeration " 170 "- Caught InvalidTypeNameException!" ); 171 } 172 173 // We're done with this enumeration access in any case (Either 174 // enumeration was successfully created or creation failed for some 175 // reason). 176 m_aChildren.pop(); 177 } 178 179 // unreachable 180 } 181 182 } // namespace stoc_tdmgr 183 184