ElemDocMgr.hpp

Go to the documentation of this file.

/*==========================================================================
 *
 *  Original source copyright (c) 2001, Carnegie Mellon University.
 *  See copyright.cmu for details.
 *  Modifications copyright (c) 2002, University of Massachusetts.
 *  See copyright.umass for details.
 *
 *==========================================================================
 */

#ifndef _ELEMDOCMGR_HPP
#define _ELEMDOCMGR_HPP

#include "KeyfileDocMgr.hpp"
namespace lemur 
{
  namespace parse 
  {
    
    //TOC
#define ELEM_TOC ".elem"
#define ELEM_TOC_LEN 5

    // elems
#define ELEM_ELS ".els"

    // we should really do something about this, it appears all over the toolkit
#ifndef _ABC_OP
#define _ABC_OP
    struct abc
    {
      bool operator()(char* s1, char* s2) const{
        return strcmp(s1, s2) < 0;
      }
    };
#endif

    class ElemDocMgr : public KeyfileDocMgr {
    public:

      ElemDocMgr(const string &name, bool readOnly = true);

      ElemDocMgr(string name, string mode, string source);  

      virtual ~ElemDocMgr();

      virtual char* handleBeginTag(char* tag, const char* orig, PropertyList* props);

      virtual char* handleEndTag(char* tag, const char* orig, PropertyList* props);

      virtual char* getElement(const char* docid, const char* element) const;

      virtual bool open(const string &manname) {
        IDnameext = manname;
        IDname = manname.substr(0, manname.length() - 5);
        return loadTOC();
      }

    protected:
      virtual void writeTOC();
      virtual bool loadTOC();

      map<char*,btl,abc> elemtable; // map for temp creating elem strings

      lemur::file::Keyfile elements;  // btree for storing elements
    };
  }
}

#endif // _ELEMDOCMGR_HPP

---