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ElemDocMgr.hpp

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/*==========================================================================
 *
 *  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"

//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);

  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

  Keyfile elements;  // btree for storing elements
};

#endif // _ELEMDOCMGR_HPP

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