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 _xmlnsstack_h_ 29 #define _xmlnsstack_h_ 30 31 #include <string> 32 #include <vector> 33 #include "talk/base/scoped_ptr.h" 34 #include "talk/xmllite/qname.h" 35 36 namespace buzz { 37 38 class XmlnsStack { 39 public: 40 XmlnsStack(); 41 ~XmlnsStack(); 42 43 void AddXmlns(const std::string & prefix, const std::string & ns); 44 void RemoveXmlns(); 45 void PushFrame(); 46 void PopFrame(); 47 void Reset(); 48 49 const std::string * NsForPrefix(const std::string & prefix); 50 bool PrefixMatchesNs(const std::string & prefix, const std::string & ns); 51 std::pair<std::string, bool> PrefixForNs(const std::string & ns, bool isAttr); 52 std::pair<std::string, bool> AddNewPrefix(const std::string & ns, bool isAttr); 53 std::string FormatQName(const QName & name, bool isAttr); 54 55 private: 56 57 talk_base::scoped_ptr<std::vector<std::string> > pxmlnsStack_; 58 talk_base::scoped_ptr<std::vector<size_t> > pxmlnsDepthStack_; 59 }; 60 } 61 62 #endif 63
