sax.l

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/*
 | Author: Michael Schmidt; modified by Steffi Scherzinger;
 |         Gunnar Jehl 
 |
 | ************************* SOFTWARE LICENSE AGREEMENT ***********************
 | This source code is published under the BSD License.
 |
 | See file 'LICENSE.txt' that comes with this distribution or
 | http://dbis.informatik.uni-freiburg.de/index.php?project=GCX/license.php
 | for the full license agreement.
 |
 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 | AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 | ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 | LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 | CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 | SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 | INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 | CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 | ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 | POSSIBILITY OF SUCH DAMAGE.
 | ****************************************************************************
*/
%option yylineno
 
%{

using namespace std;
 
#include <sstream>
#include "parseexception.h"

void yyerror(const char *text);

void saxCharacters(const char* _text);

void saxBeginElement(const char* _tag);
#ifdef VALIDATION

void saxEndElement(const char* _tag);
#else

void saxEndElement();
#endif // #ifdef VALIDATION

void saxBeginEndElement(const char* _tag);

%}

%%

\<[\!\?][^\>]+\>                    {}

[^\<]+                              {
                                      saxCharacters(yytext);
                                      return 1;
                                    }

\<[A-Za-z\_][A-Za-z0-9\_\-\.]*\>    {
                                      saxBeginElement(yytext);
                                      return 1;
                                    }

\<\/[A-Za-z\_][A-Za-z0-9\_\-\.]*\>  {
                                      #ifdef VALIDATION
                                      saxEndElement(yytext);
                                      #else
                                      saxEndElement();
                                      #endif // #ifdef VALIDATION
                                      return 1;
                                    }

\<[A-Za-z\_][A-Za-z0-9\_\-\.]*\/>   {
                                      saxBeginEndElement(yytext);
                                      return 1;
                                    }

.                                   {
                                      yyerror("Misparsed Charcter");
                                    }

%%

int yywrap(void) { return 1; }

void yyerror(const char *text) {
  std::ostringstream o;
  o << "XML Parsing In Line " << yylineno << " => " << text;
  if (yytext && (int)yytext!=EOF && strcmp(yytext, "")!=0) {
    o << " (\"" << yytext << "\")";    
  }
  throw ParseException(o.str().c_str(), eid_parse_xml); 
}

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