Teuchos - Trilinos Tools Package  Version of the Day
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Groups Pages
Teuchos_TreeBuildingXMLHandler.hpp
Go to the documentation of this file.
1 // @HEADER
2 // ***********************************************************************
3 //
4 // Teuchos: Common Tools Package
5 // Copyright (2004) Sandia Corporation
6 //
7 // Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
8 // license for use of this work by or on behalf of the U.S. Government.
9 //
10 // Redistribution and use in source and binary forms, with or without
11 // modification, are permitted provided that the following conditions are
12 // met:
13 //
14 // 1. Redistributions of source code must retain the above copyright
15 // notice, this list of conditions and the following disclaimer.
16 //
17 // 2. Redistributions in binary form must reproduce the above copyright
18 // notice, this list of conditions and the following disclaimer in the
19 // documentation and/or other materials provided with the distribution.
20 //
21 // 3. Neither the name of the Corporation nor the names of the
22 // contributors may be used to endorse or promote products derived from
23 // this software without specific prior written permission.
24 //
25 // THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
26 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
29 // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
30 // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
31 // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
32 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
33 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
34 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
35 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 //
37 // Questions? Contact Michael A. Heroux (maherou@sandia.gov)
38 //
39 // ***********************************************************************
40 // @HEADER
41 
42 #ifndef Teuchos_TREEBUILDINGXMLHANDLER_H
43 #define Teuchos_TREEBUILDINGXMLHANDLER_H
44 
49 #include "Teuchos_ConfigDefs.hpp"
50 #include "Teuchos_XMLObject.hpp"
51 #include <list>
52 #include <stack>
53 
54 
55 namespace Teuchos
56 {
57 
62  {
64  public:
67 
69  const XMLObject& getObject() const
70  {
71  // valid XML requires a root object; we will allow empty XML files
73  root_.isEmpty(), EmptyXMLError
74  ,"Error, An empty XML std::string or file was specified!"
75  " The XML specification requires at minimum the presence"
76  " of a root element!" );
77  return root_.getChild(0);
78  }
79 
81  void characters(const std::string& chars);
82 
84  int endElement(const std::string& tag);
85 
87  void startElement(const std::string& tag,
88  const Map& attributes);
89 
90  private:
91  XMLObject root_;
92  XMLObject current_;
93  std::stack<XMLObject> path_;
94  };
95 }
96 
97 
98 #endif
99 
void characters(const std::string &chars)
Process character data.
#define TEUCHOS_TEST_FOR_EXCEPTION(throw_exception_test, Exception, msg)
Macro for throwing an exception with breakpointing to ease debugging.
Teuchos header file which uses auto-configuration information to include necessary C++ headers...
int endElement(const std::string &tag)
Receive notification of the end of an element.
bool isEmpty() const
Find out if a node is empty.
Thrown when attempting to parse an empty XML std::string.
Representation of an XML data tree. XMLObject is a ref-counted handle to a XMLObjectImplem object...
void startElement(const std::string &tag, const Map &attributes)
Receive notification of the start of an element.
const XMLObject & getObject() const
Retrieve the entire XML tree.
TreeBuildingXMLHandler assembles a XMLObject from your XML input.
const XMLObject & getChild(int i) const
Return the i-th child node.
An object representation of a subset of XML data.