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 TALK_XMLLITE_QNAME_H_ 29 #define TALK_XMLLITE_QNAME_H_ 30 31 #include <string> 32 33 namespace buzz { 34 35 class QName; 36 37 // StaticQName is used to represend constant quailified names. They 38 // can be initialized statically and don't need intializers code, e.g. 39 // const StaticQName QN_FOO = { "foo_namespace", "foo" }; 40 // 41 // Beside this use case, QName should be used everywhere 42 // else. StaticQName instances are implicitly converted to QName 43 // objects. 44 struct StaticQName { 45 const char* const ns; 46 const char* const local; 47 48 bool operator==(const QName& other) const; 49 bool operator!=(const QName& other) const; 50 }; 51 52 class QName { 53 public: 54 QName(); 55 QName(const QName& qname); 56 QName(const StaticQName& const_value); 57 QName(const std::string& ns, const std::string& local); 58 explicit QName(const std::string& merged_or_local); 59 ~QName(); 60 61 const std::string& Namespace() const { return namespace_; } 62 const std::string& LocalPart() const { return local_part_; } 63 std::string Merged() const; 64 bool IsEmpty() const; 65 66 int Compare(const StaticQName& other) const; 67 int Compare(const QName& other) const; 68 69 bool operator==(const StaticQName& other) const { 70 return Compare(other) == 0; 71 } 72 bool operator==(const QName& other) const { 73 return Compare(other) == 0; 74 } 75 bool operator!=(const StaticQName& other) const { 76 return Compare(other) != 0; 77 } 78 bool operator!=(const QName& other) const { 79 return Compare(other) != 0; 80 } 81 bool operator<(const QName& other) const { 82 return Compare(other) < 0; 83 } 84 85 private: 86 std::string namespace_; 87 std::string local_part_; 88 }; 89 90 inline bool StaticQName::operator==(const QName& other) const { 91 return other.Compare(*this) == 0; 92 } 93 94 inline bool StaticQName::operator!=(const QName& other) const { 95 return other.Compare(*this) != 0; 96 } 97 98 } // namespace buzz 99 100 #endif // TALK_XMLLITE_QNAME_H_ 101
