1 /* 2 * libjingle 3 * Copyright 2004--2005, Google Inc. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #ifndef _qname_h_ 29 #define _qname_h_ 30 31 #include <string> 32 33 namespace buzz { 34 35 36 class QName 37 { 38 public: 39 explicit QName(); QName(const QName & qname)40 QName(const QName & qname) : data_(qname.data_) { data_->AddRef(); } 41 explicit QName(bool add, const std::string & ns, const char * local); 42 explicit QName(bool add, const std::string & ns, const std::string & local); 43 explicit QName(const std::string & ns, const char * local); 44 explicit QName(const std::string & mergedOrLocal); 45 QName & operator=(const QName & qn) { 46 qn.data_->AddRef(); 47 data_->Release(); 48 data_ = qn.data_; 49 return *this; 50 } 51 ~QName(); 52 Namespace()53 const std::string & Namespace() const { return data_->namespace_; } LocalPart()54 const std::string & LocalPart() const { return data_->localPart_; } 55 std::string Merged() const; 56 int Compare(const QName & other) const; 57 bool operator==(const QName & other) const; 58 bool operator!=(const QName & other) const { return !operator==(other); } 59 bool operator<(const QName & other) const { return Compare(other) < 0; } 60 61 class Data { 62 public: Data(const std::string & ns,const std::string & local)63 Data(const std::string & ns, const std::string & local) : 64 namespace_(ns), 65 localPart_(local), 66 refcount_(1) {} 67 Data()68 Data() : refcount_(0) {} 69 70 std::string namespace_; 71 std::string localPart_; AddRef()72 void AddRef() { refcount_++; } Release()73 void Release() { if (!--refcount_) { delete this; } } Occupied()74 bool Occupied() { return !!refcount_; } 75 76 private: 77 int refcount_; 78 }; 79 80 private: 81 Data * data_; 82 }; 83 84 85 } 86 87 #endif 88