1 /** 2 * Copyright (c) 2023-2025 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef PANDA_RUNTIME_ETS_ETS_STRING_BUILDER_H 17 #define PANDA_RUNTIME_ETS_ETS_STRING_BUILDER_H 18 19 #include "runtime/include/object_header.h" 20 #include "plugins/ets/runtime/types/ets_string.h" 21 #include "plugins/ets/runtime/types/ets_primitives.h" 22 23 namespace ark::ets { 24 25 EtsString *StringBuilderToString(ObjectHeader *sb); 26 ObjectHeader *StringBuilderAppendNullString(ObjectHeader *sb); 27 ObjectHeader *StringBuilderAppendString(ObjectHeader *sb, EtsString *str); 28 ObjectHeader *StringBuilderAppendStrings(ObjectHeader *sb, EtsString *str0, EtsString *str1); 29 ObjectHeader *StringBuilderAppendStrings(ObjectHeader *sb, EtsString *str0, EtsString *str1, EtsString *str2); 30 ObjectHeader *StringBuilderAppendStrings(ObjectHeader *sb, EtsString *str0, EtsString *str1, EtsString *str2, 31 EtsString *str3); 32 ObjectHeader *StringBuilderAppendBool(ObjectHeader *sb, EtsBoolean v); 33 ObjectHeader *StringBuilderAppendChar(ObjectHeader *sb, EtsChar v); 34 ObjectHeader *StringBuilderAppendLong(ObjectHeader *sb, EtsLong v); 35 ObjectHeader *StringBuilderAppendFloat(ObjectHeader *sb, EtsFloat v); 36 ObjectHeader *StringBuilderAppendDouble(ObjectHeader *sb, EtsDouble v); 37 38 namespace test { 39 class EtsStringBuilderMembersTest; 40 } // namespace test 41 42 class EtsStringBuilder : public EtsObject { 43 public: 44 EtsStringBuilder() = delete; 45 ~EtsStringBuilder() = delete; 46 47 NO_COPY_SEMANTIC(EtsStringBuilder); 48 NO_MOVE_SEMANTIC(EtsStringBuilder); 49 FromCoreType(ObjectHeader * obj)50 static EtsStringBuilder *FromCoreType(ObjectHeader *obj) 51 { 52 return reinterpret_cast<EtsStringBuilder *>(obj); 53 } 54 GetCoreType()55 ObjectHeader *GetCoreType() 56 { 57 return reinterpret_cast<ObjectHeader *>(this); 58 } 59 AsObject()60 EtsObject *AsObject() 61 { 62 return this; 63 } 64 AsObject()65 const EtsObject *AsObject() const 66 { 67 return this; 68 } 69 FromEtsObject(EtsObject * etsObj)70 static EtsStringBuilder *FromEtsObject(EtsObject *etsObj) 71 { 72 return reinterpret_cast<EtsStringBuilder *>(etsObj); 73 } 74 GetBuf()75 EtsObjectArray *GetBuf() const 76 { 77 return EtsObjectArray::FromCoreType(ObjectAccessor::GetObject(this, MEMBER_OFFSET(EtsStringBuilder, buf_))); 78 } 79 SetBuf(EtsCoroutine * coro,EtsObjectArray * buf)80 void SetBuf(EtsCoroutine *coro, EtsObjectArray *buf) 81 { 82 ObjectAccessor::SetObject(coro, this, MEMBER_OFFSET(EtsStringBuilder, buf_), buf->GetCoreType()); 83 } 84 GetIndex()85 EtsInt GetIndex() const 86 { 87 return index_; 88 } 89 SetIndex(EtsInt index)90 void SetIndex(EtsInt index) 91 { 92 index_ = index; 93 } 94 GetLength()95 EtsInt GetLength() const 96 { 97 return length_; 98 } 99 SetLength(EtsInt length)100 void SetLength(EtsInt length) 101 { 102 length_ = length; 103 } 104 GetCompress()105 EtsBoolean GetCompress() const 106 { 107 return compress_; 108 } 109 SetCompress(EtsBoolean compress)110 void SetCompress(EtsBoolean compress) 111 { 112 compress_ = compress; 113 } 114 115 private: 116 ObjectPointer<EtsObjectArray> buf_; // array with pointers to strings or char[] 117 EtsInt index_; // index of the current free element in the buf 118 EtsInt length_; // length of the resulting string 119 EtsBoolean compress_; // compress or not the resulting string 120 121 friend class test::EtsStringBuilderMembersTest; 122 }; 123 124 } // namespace ark::ets 125 126 #endif // PANDA_RUNTIME_ETS_ETS_STRING_BUILDER_H 127