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 #ifndef _RPTSHARED_CONSTASCIISTRING_HXX_ 23 #define _RPTSHARED_CONSTASCIISTRING_HXX_ 24 25 #ifndef CONSTASCII_INCLUDED_INDIRECT 26 #error "don't include this file directly! use stringconstants.hrc instead!" 27 #endif 28 29 // no namespaces. This file is included from several other files _within_ a namespace. 30 31 //============================================================ 32 //= a helper for static ascii pseudo-unicode strings 33 //============================================================ 34 // string constants 35 struct ConstAsciiString 36 { 37 const sal_Char* ascii; 38 sal_Int32 length; 39 40 inline operator const ::rtl::OUString& () const; 41 inline operator const sal_Char* () const { return ascii; } 42 43 inline ConstAsciiString(const sal_Char* _pAsciiZeroTerminated, const sal_Int32 _nLength); 44 inline ~ConstAsciiString(); 45 46 private: 47 mutable ::rtl::OUString* ustring; 48 }; 49 50 //------------------------------------------------------------ 51 inline ConstAsciiString::ConstAsciiString(const sal_Char* _pAsciiZeroTerminated, const sal_Int32 _nLength) 52 :ascii(_pAsciiZeroTerminated) 53 ,length(_nLength) 54 ,ustring(NULL) 55 { 56 } 57 58 //------------------------------------------------------------ 59 inline ConstAsciiString::~ConstAsciiString() 60 { 61 delete ustring; 62 ustring = NULL; 63 } 64 65 //------------------------------------------------------------ 66 inline ConstAsciiString::operator const ::rtl::OUString& () const 67 { 68 if (!ustring) 69 ustring = new ::rtl::OUString(ascii, length, RTL_TEXTENCODING_ASCII_US); 70 return *ustring; 71 } 72 73 //============================================================ 74 75 #define DECLARE_CONSTASCII_USTRING( name ) \ 76 extern const ConstAsciiString name 77 78 #define IMPLEMENT_CONSTASCII_USTRING( name, string ) \ 79 const ConstAsciiString name(string, sizeof(string)-1) 80 81 82 #endif // _RPTSHARED_CONSTASCIISTRING_HXX_ 83