1 /* 2 * Copyright 2004 The WebRTC Project Authors. All rights reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef WEBRTC_LIBJINGLE_XMLLITE_QNAME_H_ 12 #define WEBRTC_LIBJINGLE_XMLLITE_QNAME_H_ 13 14 #include <string> 15 16 namespace buzz { 17 18 class QName; 19 20 // StaticQName is used to represend constant quailified names. They 21 // can be initialized statically and don't need intializers code, e.g. 22 // const StaticQName QN_FOO = { "foo_namespace", "foo" }; 23 // 24 // Beside this use case, QName should be used everywhere 25 // else. StaticQName instances are implicitly converted to QName 26 // objects. 27 struct StaticQName { 28 const char* const ns; 29 const char* const local; 30 31 bool operator==(const QName& other) const; 32 bool operator!=(const QName& other) const; 33 }; 34 35 class QName { 36 public: 37 QName(); 38 QName(const QName& qname); 39 QName(const StaticQName& const_value); 40 QName(const std::string& ns, const std::string& local); 41 explicit QName(const std::string& merged_or_local); 42 ~QName(); 43 44 const std::string& Namespace() const { return namespace_; } 45 const std::string& LocalPart() const { return local_part_; } 46 std::string Merged() const; 47 bool IsEmpty() const; 48 49 int Compare(const StaticQName& other) const; 50 int Compare(const QName& other) const; 51 52 bool operator==(const StaticQName& other) const { 53 return Compare(other) == 0; 54 } 55 bool operator==(const QName& other) const { 56 return Compare(other) == 0; 57 } 58 bool operator!=(const StaticQName& other) const { 59 return Compare(other) != 0; 60 } 61 bool operator!=(const QName& other) const { 62 return Compare(other) != 0; 63 } 64 bool operator<(const QName& other) const { 65 return Compare(other) < 0; 66 } 67 68 private: 69 std::string namespace_; 70 std::string local_part_; 71 }; 72 73 inline bool StaticQName::operator==(const QName& other) const { 74 return other.Compare(*this) == 0; 75 } 76 77 inline bool StaticQName::operator!=(const QName& other) const { 78 return other.Compare(*this) != 0; 79 } 80 81 } // namespace buzz 82 83 #endif // WEBRTC_LIBJINGLE_XMLLITE_QNAME_H_ 84
