1 /* -*- Mode: C; tab-width: 4 -*- 2 * 3 * Copyright (c) 2003-2004 Apple Computer, Inc. All rights reserved. 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 #pragma once 19 20 using namespace System; 21 using namespace System::Text; 22 23 namespace Apple 24 { 25 __gc class PString 26 { 27 public: 28 PString(String * string)29 PString(String* string) 30 { 31 if (string != NULL) 32 { 33 Byte unicodeBytes[] = Encoding::Unicode->GetBytes(string); 34 Byte utf8Bytes[] = Encoding::Convert(Encoding::Unicode, Encoding::UTF8, unicodeBytes); 35 m_p = Marshal::AllocHGlobal(utf8Bytes->Length + 1); 36 37 Byte __pin * p = &utf8Bytes[0]; 38 char * hBytes = static_cast<char*>(m_p.ToPointer()); 39 memcpy(hBytes, p, utf8Bytes->Length); 40 hBytes[utf8Bytes->Length] = '\0'; 41 } 42 else 43 { 44 m_p = NULL; 45 } 46 } 47 ~PString()48 ~PString() 49 { 50 Marshal::FreeHGlobal(m_p); 51 } 52 53 const char* c_str()54 c_str() 55 { 56 if (m_p != NULL) 57 { 58 return static_cast<const char*>(m_p.ToPointer()); 59 } 60 else 61 { 62 return NULL; 63 } 64 } 65 66 protected: 67 68 IntPtr m_p; 69 }; 70 } 71