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 _xmlbuilder_h_ 29 #define _xmlbuilder_h_ 30 31 #include <string> 32 #include <vector> 33 #include "talk/base/scoped_ptr.h" 34 #include "talk/xmllite/xmlparser.h" 35 36 #ifdef EXPAT_RELATIVE_PATH 37 #include "lib/expat.h" 38 #else 39 #include "third_party/expat/v2_0_1/Source/lib/expat.h" 40 #endif // EXPAT_RELATIVE_PATH 41 42 namespace buzz { 43 44 class XmlElement; 45 class XmlParseContext; 46 47 48 class XmlBuilder : public XmlParseHandler { 49 public: 50 XmlBuilder(); 51 52 static XmlElement * BuildElement(XmlParseContext * pctx, 53 const char * name, const char ** atts); 54 virtual void StartElement(XmlParseContext * pctx, 55 const char * name, const char ** atts); 56 virtual void EndElement(XmlParseContext * pctx, const char * name); 57 virtual void CharacterData(XmlParseContext * pctx, 58 const char * text, int len); 59 virtual void Error(XmlParseContext * pctx, XML_Error); 60 virtual ~XmlBuilder(); 61 62 void Reset(); 63 64 // Take ownership of the built element; second call returns NULL 65 XmlElement * CreateElement(); 66 67 // Peek at the built element without taking ownership 68 XmlElement * BuiltElement(); 69 70 private: 71 XmlElement * pelCurrent_; 72 talk_base::scoped_ptr<XmlElement> pelRoot_; 73 talk_base::scoped_ptr<std::vector<XmlElement*> > pvParents_; 74 }; 75 76 } 77 78 #endif 79