1 #ifndef _DEPOOLSTRING_HPP 2 #define _DEPOOLSTRING_HPP 3 /*------------------------------------------------------------------------- 4 * drawElements C++ Base Library 5 * ----------------------------- 6 * 7 * Copyright 2014 The Android Open Source Project 8 * 9 * Licensed under the Apache License, Version 2.0 (the "License"); 10 * you may not use this file except in compliance with the License. 11 * You may obtain a copy of the License at 12 * 13 * http://www.apache.org/licenses/LICENSE-2.0 14 * 15 * Unless required by applicable law or agreed to in writing, software 16 * distributed under the License is distributed on an "AS IS" BASIS, 17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 18 * See the License for the specific language governing permissions and 19 * limitations under the License. 20 * 21 *//*! 22 * \file 23 * \brief Memory pool -backed string. 24 *//*--------------------------------------------------------------------*/ 25 26 #include "deDefs.hpp" 27 #include "deMemPool.hpp" 28 #include "dePoolArray.hpp" 29 30 #include <ostream> 31 #include <string> 32 33 namespace de 34 { 35 36 /*--------------------------------------------------------------------*//*! 37 * \brief String template backed by memory pool 38 * 39 * \note Memory in PoolString is not contiguous so pointer arithmetic 40 * to access next element(s) doesn't work. 41 *//*--------------------------------------------------------------------*/ 42 class PoolString : public PoolArray<char> 43 { 44 public: 45 explicit PoolString (MemPool* pool); 46 PoolString (MemPool* pool, const PoolString& other); 47 ~PoolString (void); 48 49 void toString (std::string& str) const; 50 std::string toString (void) const; 51 52 void append (const char* str); 53 void append (const std::string& str); 54 void append (const PoolString& str); 55 operator =(const char * str)56 PoolString& operator= (const char* str) { clear(); append(str); return *this; } operator =(const std::string & str)57 PoolString& operator= (const std::string& str) { clear(); append(str); return *this; } 58 PoolString& operator= (const PoolString& str); 59 operator +=(const char * str)60 PoolString& operator+= (const char* str) { append(str); return *this; } operator +=(const std::string & str)61 PoolString& operator+= (const std::string& str) { append(str); return *this; } operator +=(const PoolString & str)62 PoolString& operator+= (const PoolString& str) { append(str); return *this; } 63 64 private: 65 PoolString (const PoolString& other); 66 }; 67 68 // Operators. 69 std::ostream& operator<< (std::ostream& stream, const PoolString& string); 70 71 // PoolString inline implementations. 72 PoolString(MemPool * pool)73inline PoolString::PoolString (MemPool* pool) 74 : PoolArray<char>(pool) 75 { 76 } 77 ~PoolString(void)78inline PoolString::~PoolString (void) 79 { 80 } 81 toString(void) const82inline std::string PoolString::toString (void) const 83 { 84 std::string str; 85 toString(str); 86 return str; 87 } 88 operator =(const PoolString & str)89inline PoolString& PoolString::operator= (const PoolString& str) 90 { 91 if (this == &str) 92 return *this; 93 94 clear(); 95 append(str); 96 return *this; 97 } 98 99 } // de 100 101 #endif // _DEPOOLSTRING_HPP 102