/****************************************************************************** * $Id: ili2handler.cpp 10646 2007-01-18 02:38:10Z warmerdam $ * * Project:  Interlis 2 Reader * Purpose:  Implementation of ILI2Handler class. * Author:   Markus Schnider, Sourcepole AG * ****************************************************************************** * Copyright (c) 2004, Pirmin Kalberer, Sourcepole AG * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. ****************************************************************************/#include "ogr_ili2.h"#include "cpl_conv.h"#include "cpl_string.h"#include "ili2readerp.h"CPL_CVSID("$Id: ili2handler.cpp 10646 2007-01-18 02:38:10Z warmerdam $");// // constants// static const char* ILI2_DATASECTION = "DATASECTION";// // ILI2Handler// ILI2Handler::ILI2Handler( ILI2Reader *poReader ) {  m_poReader = poReader;    // initialize once  static int ili2DomTreeInitialized = FALSE;    if (!ili2DomTreeInitialized) {    XMLCh *tmpCh = XMLString::transcode("CORE");    DOMImplementation *impl = DOMImplementationRegistry::getDOMImplementation(tmpCh);    delete [] tmpCh;        // the root element    tmpCh = XMLString::transcode("ROOT");    dom_doc = impl->createDocument(0,tmpCh,0);    delete [] tmpCh;      // the first element is root    dom_elem = dom_doc->getDocumentElement();        ili2DomTreeInitialized = TRUE;  }}ILI2Handler::~ILI2Handler() {    // remove all elements  DOMNode *tmpNode = dom_doc->getFirstChild();  while (tmpNode != NULL) {    tmpNode = dom_doc->removeChild(tmpNode);    tmpNode = dom_doc->getFirstChild();  }    // release the dom tree  dom_doc->release();    }    void ILI2Handler::startDocument() {  // the level counter starts with DATASECTION  level = -1;}void ILI2Handler::endDocument() {  // nothing to do}    void ILI2Handler::startElement(        const   XMLCh* const    uri,        const   XMLCh* const    localname,        const   XMLCh* const    qname,        const   Attributes& attrs    ) {    // start to add the layers, features with the DATASECTION    if ((level >= 0) || (cmpStr(ILI2_DATASECTION, XMLString::transcode(qname)) == 0)) {    level++;        if (level >= 2) {             // create the dom tree      DOMElement *elem = (DOMElement*)dom_doc->createElement(qname);            // add all attributes      unsigned int len = attrs.getLength();      for (unsigned int index = 0; index < len; index++)        elem->setAttribute(attrs.getQName(index), attrs.getValue(index));      dom_elem->appendChild(elem);      dom_elem = elem;    }  }}void ILI2Handler::endElement(        const   XMLCh* const    uri,        const   XMLCh* const    localname,        const   XMLCh* const    qname    ) {      if (level >= 0) {    if (level == 2) {          // go to the parent element and parse the child element      DOMElement* childElem = dom_elem;      dom_elem = (DOMElement*)dom_elem->getParentNode();             m_poReader->AddFeature(childElem);            // remove the child element      childElem = (DOMElement*)dom_elem->removeChild(childElem);    } else if (level >= 3) {          // go to the parent element      dom_elem = (DOMElement*)dom_elem->getParentNode();    }    level--;  }}void ILI2Handler::characters( const XMLCh *const chars,                     const unsigned int length ) {    // add the text element  if (level >= 3) {    std::string tmpCh = XMLString::transcode(chars);        // only add the text if it is not empty    if (trim(tmpCh) != "")       dom_elem->appendChild(dom_doc->createTextNode(chars));  }}void ILI2Handler::fatalError(const SAXParseException&) {  // FIXME Error handling}