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/**
* @file thdatabase.h
* Database module.
*/
/* Copyright (C) 2000 Stacho Mudrak
*
* $Date: $
* $RCSfile: $
* $Revision: $
*
* --------------------------------------------------------------------
* 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
* 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 thdatabase_h
#define thdatabase_h
#include <map>
#include <list>
#include <set>
#include "thdataobject.h"
#include "thmbuffer.h"
#include "thbuffer.h"
#include "thdb1d.h"
#include "thdb2d.h"
#include "thobjectname.h"
#include "thobjectsrc.h"
#include "thattr.h"
#include <stdio.h>
/**
* Input contexts.
*/
enum {
THCTX_NONE = 1, ///< None
THCTX_SURVEY = 2, ///< Survey context
THCTX_SCRAP = 4, ///< Scrap context
};
/**
* Option positions.
*/
enum {
THOP_INLINE = 1, ///< Whether option stands in separate line.
THOP_CONFIGURE = 2, ///< Whether option is set via configure command.
};
/**
* Survey name class.
*/
class thsurveyname {
public:
const char * n; ///< Data.
thsurveyname(): n("") {} ///< Standard constructor.
/**
* Default contructor.
*
* @param n Survey name.
*/
thsurveyname(const char * nn) : n(nn) {}
/**
* Comparison operator.
*/
friend bool operator < (const class thsurveyname & n1,
const class thsurveyname & n2);
};
/**
* Revision class.
*/
class threvision {
public:
unsigned long id, ///< Object id.
r; ///< Revision.
thobjectsrc srcf; ///< File name.
threvision(): id(0), r(0) {} ///< Standard constructor.
/**
* Default contructor.
*
* @param rid Revision object id.
* @param rr Revision number.
*/
threvision(unsigned long rid, unsigned long rr)
: id(rid), r(rr) {}
/**
* Default contructor.
*
* @param rid Revision object id.
* @param rr Revision number.
* @param rsrcf File name.
*/
threvision(unsigned long rid, unsigned long rr, thobjectsrc rsrcf)
: id(rid), r(rr), srcf(rsrcf) {}
/**
* Comparison operator.
*/
friend bool operator < (const class threvision & r1,
const class threvision & r2);
};
typedef std::set < thsurveyname > thdb_dictionary_type; ///< Database dictionary.
typedef std::set < threvision > thdb_revision_set_type; ///< Object revision set type.
typedef std::map < thobjectid, class thdataobject * > thdb_object_map_type; ///< Object map
typedef std::map < thsurveyname, class thsurvey * > thdb_survey_map_type; ///< Survey map
typedef std::map < thsurveyname, class thdataobject * > thdb_grade_map_type; ///< Grade map
typedef thdb_grade_map_type thdb_layout_map_type; ///< Layout map
typedef std::list < class thdataobject * > thdb_object_list_type; ///< Object list
/**
* Main database class.
*
* Store all the data maintained by therion.
*/
class thdatabase {
public:
thmbuffer buff_strings; ///< String storage buffer.
int ccontext; ///< Current context.
class thsurvey * csurveyptr, ///< Pointer to the current survey.
* fsurveyptr; ///< Pointer to the first survey.
unsigned csurveylevel; ///< Current survey level.
class thscrap * cscrapptr; ///< Current scrap.
class th2ddataobject * lcscrapoptr; ///< Last object in given current scrap.
class thdataobject * lcsobjectptr; ///< Last object in given current survey.
thdb_dictionary_type dictionary; ///< Database dictionary.
unsigned long objid, ///< Object identifier
nscraps; ///< Total number of scraps.
void reset_context(); ///< Reset database context.
public:
thbuffer buff_enc; ///< Encoding buffer.
thbuffer buff_tmp; ///< Temporary buffer.
thmbuffer mbuff_tmp, mbuff_tmp2; ///< Temporary mbuffer.
thmbuffer buff_stations; ///< Stations storage buffer.
thdb_revision_set_type revision_set; ///< Object revisions.
thdb1d db1d; ///< Survey data part of database.
thdb2d db2d; ///< 2D data part of database.
thattr attr; ///< Object attributes.
thobjectsrc csrc; ///< Current source position.
thdb_object_map_type object_map; ///< Object search hash
thdb_survey_map_type survey_map; ///< Survey search hash
thdb_grade_map_type grade_map; ///< Grade search hash
thdb_layout_map_type layout_map; ///< Layout search hash
thdb_object_list_type object_list; ///< Object list
/**
* Standard constructor.
*/
thdatabase();
/**
* Standard destructor.
*/
~thdatabase();
/**
* Clear the contents of the database.
*/
void clear();
/**
* Create an data object linked to the database.
*/
class thdataobject * create(const char * oclass, thobjectsrc osrc);
/**
* Revise object in database.
*/
class thdataobject * revise(char * name, class thsurvey * fathersptr,
thobjectsrc osrc);
/**
* Return pointer to current survey.
*/
class thsurvey * get_current_survey();
/**
* Return pointer to current scrap.
*/
class thscrap * get_current_scrap();
/**
* Insert data object into database.
*/
void check_context(class thdataobject * optr);
/**
* Insert data object into database.
*/
void insert(class thdataobject * optr);
/**
* Insert survey grade object into database.
*/
void insert_grade(class thgrade * optr);
/**
* Insert map layout object into database.
*/
void insert_layout(class thlayout * optr);
/**
* Retrieve survey grade from database.
*/
class thgrade * get_grade(char * gname);
/**
* Retrieve map layout from database.
*/
class thlayout * get_layout(const char * gname);
/**
* Store given string in the database.
*/
const char * strstore(const char * src, bool use_dic = false);
/**
* End objects insertion.
*/
void end_insert();
/**
* Print database contents into file.
*/
void self_print(FILE * outf);
/**
* Insert a datastation into database.
*/
bool insert_datastation(thobjectname on, thsurvey * ps);
/**
* Get object from database.
*/
thdataobject * get_object(thobjectname on, thsurvey * ps);
/**
* Get survey from database.
*/
thsurvey * get_survey(const char * sn, thsurvey * ps);
thsurvey * get_survey_noexc(const char * sn, thsurvey * ps);
thsurvey * get_exact_survey_noexc(const char * sn, thsurvey * ps);
/**
* Get survey id from database.
*/
unsigned long get_survey_id(const char * sn, thsurvey * ps);
/**
* Print library from current database.
*/
void self_print_library();
/**
* Process database references.
*/
void preprocess();
void insert_equate(int nargs, char ** args);
};
/**
* Database module.
*/
extern thdatabase thdb;
#endif
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