/usr/include/CLAM/XercesDomDocumentHandler.hxx is in libclam-dev 1.4.0-5build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 | /*
* Copyright (c) 2001-2004 MUSIC TECHNOLOGY GROUP (MTG)
* UNIVERSITAT POMPEU FABRA
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef _XercesDomDocumentHandler_hxx_
#define _XercesDomDocumentHandler_hxx_
#include "XercesEncodings.hxx"
#include "XercesDomReadingContext.hxx"
#include "XercesDomWritingContext.hxx"
#include "XercesDomReader.hxx"
#include "XercesDomWriter.hxx"
#include "XercesInitializer.hxx"
#include <xercesc/parsers/XercesDOMParser.hpp>
#include <xercesc/dom/DOMImplementation.hpp>
#include <xercesc/dom/DOMDocument.hpp>
#include <xercesc/dom/DOMElement.hpp>
namespace CLAM
{
class XercesDomReadingContext;
class XercesDomWritingContext;
/**
* XML implementation backend for the Xerces-C library.
* @ingroup XmlBackends_Xerces
*/
class XercesDomDocumentHandler
{
public:
typedef XercesDomWritingContext WritingContext;
typedef XercesDomReadingContext ReadingContext;
ReadingContext * GetReadingContext()
{
return _currentReadContext;
}
void SetReadingContext(ReadingContext * context)
{
_currentReadContext = context;
}
WritingContext * GetWritingContext()
{
return _currentWriteContext;
}
void SetWritingContext(WritingContext * context)
{
_currentWriteContext = context;
}
private:
ReadingContext * _currentReadContext;
WritingContext * _currentWriteContext;
xercesc::DOMDocument * _document;
xercesc::DOMElement * _selection;
xercesc::XercesDOMParser * _parser;
public:
XercesDomDocumentHandler()
{
_document = 0;
_selection = 0;
_parser = 0;
}
~XercesDomDocumentHandler()
{
releaseIfAnyDocument();
}
void setDocument(xercesc::DOMDocument * document)
{
_document = document;
_selection = _document->getDocumentElement();
}
void selectPath(const char * path)
{
if (path[0]!='/')
_selection = recursiveSelection(_selection, path, 0);
else
_selection = absoluteSelection(path);
return;
}
xercesc::DOMElement * getSelection()
{
return _selection;
}
void create(const char * rootName)
{
XercesInitializer::require();
releaseIfAnyDocument();
xercesc::DOMImplementation * imp =
xercesc::DOMImplementation::getImplementation();
xercesc::DOMDocument * domDoc = imp->createDocument(0,U(rootName),0);
setDocument(domDoc);
}
void read(std::istream & stream)
{
XercesDomReader reader;
xercesc::DOMDocument * domDoc;
domDoc = reader.read(stream);
setDocument(domDoc);
_parser = reader.adoptParser();
}
void writeDocument(std::ostream & os, bool useIndentation=false)
{
XercesDomWriter writer;
writer.DoIndentedFormat(useIndentation);
writer.write(os,_document);
}
void writeSelection(std::ostream & os, bool useIndentation=false)
{
XercesDomWriter writer;
writer.DoIndentedFormat(useIndentation);
writer.write(os,_selection);
}
private:
void releaseIfAnyDocument()
{
if (!_document) return;
if (_parser)
delete _parser;
else
_document->release();
_parser=0;
_document=0;
}
xercesc::DOMElement * absoluteSelection(const std::string & path)
{
xercesc::DOMElement * root = (xercesc::DOMElement*) _document->getDocumentElement();
unsigned int nextSlash = std::string(path).find('/',1);
std::string rootStep = std::string(path).substr(1,nextSlash-1);
std::string rootName = L(root->getNodeName());
if (rootStep=="") return root;
if (rootName== rootStep)
return recursiveSelection(root, path, nextSlash+1);
throw XmlStorageErr("Wrong root name, expected '"+rootStep+"' but found '"+rootName+"'");
}
xercesc::DOMElement * recursiveSelection(xercesc::DOMElement * current, const std::string & path, unsigned int pos)
{
if (pos >= path.length()) return current;
unsigned int slashPosition = path.find('/', pos);
unsigned int stepSize =
slashPosition == std::string::npos ?
std::string::npos : slashPosition-pos;
std::string step = path.substr(pos, stepSize);
for (
xercesc::DOMNode * child = current->getFirstChild();
child;
child = child->getNextSibling())
{
if (child->getNodeType() != xercesc::DOMNode::ELEMENT_NODE) continue;
std::string nodeName(L(child->getNodeName()));
if (nodeName != step) continue;
if (slashPosition==std::string::npos) return (xercesc::DOMElement *) child;
return recursiveSelection((xercesc::DOMElement *) child, path, slashPosition+1);
}
std::string msg = "Wrong path step '" + step + "'";
throw XmlStorageErr(msg);
}
};
}
/**
* @defgroup XmlBackends_Xerces XML Backend for Apache's Xerces-C
* @ingroup XmlBackends
*/
#endif//_XercesDomDocumentHandler_hxx_
|