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 #include <string.h> 25 26 #include <rtl/alloc.h> 27 #include <rtl/memory.h> 28 29 #include <vos/diagnose.hxx> 30 31 #include <vos/object.hxx> 32 33 using namespace vos; 34 35 ///////////////////////////////////////////////////////////////////////////// 36 // Object super class 37 38 VOS_NAMESPACE(OClassInfo, vos) VOS_NAMESPACE(OObject, vos)::__ClassInfo__(VOS_CLASSNAME(OObject, vos), sizeof(VOS_NAMESPACE(OObject, vos))); 39 40 OObject::OObject() 41 { 42 } 43 44 OObject::OObject(const OCreateParam&) 45 { 46 } 47 48 OObject::~OObject() 49 { 50 } 51 52 void* OObject::operator new(size_t size) 53 { 54 void* p = rtl_allocateMemory(size); 55 56 VOS_ASSERT(p != NULL); 57 58 return (p); 59 } 60 61 void* OObject::operator new(size_t, void* p) 62 { 63 return (p); 64 } 65 66 void OObject::operator delete(void* p) 67 { 68 rtl_freeMemory(p); 69 } 70 71 const OClassInfo& OObject::classInfo() 72 { 73 return (__ClassInfo__); 74 } 75 76 const OClassInfo& OObject::getClassInfo() const 77 { 78 return (VOS_CLASSINFO(VOS_NAMESPACE(OObject, vos))); 79 } 80 81 sal_Bool OObject::isKindOf(const OClassInfo& rClass) const 82 { 83 VOS_ASSERT(this != NULL); 84 85 const OClassInfo& rClassThis = getClassInfo(); 86 87 return (rClassThis.isDerivedFrom(rClass)); 88 } 89 90 ///////////////////////////////////////////////////////////////////////////// 91 // Basic class information 92 93 OClassInfo::OClassInfo(const sal_Char *pClassName, sal_Int32 ObjectSize, 94 const OClassInfo* pBaseClass, sal_uInt32 Schema, 95 OObject* (SAL_CALL * fnCreateObject)(const OCreateParam&)) 96 { 97 m_pClassName = pClassName; 98 m_nObjectSize = ObjectSize; 99 m_wSchema = Schema; 100 101 m_pfnCreateObject = fnCreateObject; 102 103 m_pBaseClass = pBaseClass; 104 m_pNextClass = NULL; 105 } 106 107 OObject* OClassInfo::createObject(const OCreateParam& rParam) const 108 { 109 if (m_pfnCreateObject == NULL) 110 return NULL; 111 112 OObject* pObject = NULL; 113 pObject = (*m_pfnCreateObject)(rParam); 114 115 return (pObject); 116 } 117 118 sal_Bool OClassInfo::isDerivedFrom(const OClassInfo& rClass) const 119 { 120 VOS_ASSERT(this != NULL); 121 122 const OClassInfo* pClassThis = this; 123 124 while (pClassThis != NULL) 125 { 126 if (pClassThis == &rClass) 127 return (sal_True); 128 129 pClassThis = pClassThis->m_pBaseClass; 130 } 131 132 return (sal_False); // walked to the top, no match 133 } 134 135 const OClassInfo* OClassInfo::getClassInfo(const sal_Char* pClassName) 136 { 137 VOS_ASSERT(pClassName != NULL); 138 139 const OClassInfo* pClass = &VOS_CLASSINFO(VOS_NAMESPACE(OObject, vos)); 140 141 while (pClass != NULL) 142 { 143 if (strcmp(pClassName, pClass->m_pClassName) == 0) 144 break; 145 146 pClass = pClass->m_pNextClass; 147 } 148 149 return (pClass); 150 } 151 152 VOS_CLASSINIT::VOS_CLASSINIT(register OClassInfo* pNewClass) 153 { 154 VOS_ASSERT(pNewClass != NULL); 155 156 OClassInfo* pClassRoot = (OClassInfo*)&VOS_CLASSINFO(VOS_NAMESPACE(OObject, vos)); 157 158 pNewClass->m_pNextClass = pClassRoot->m_pNextClass; 159 160 pClassRoot->m_pNextClass = pNewClass; 161 } 162