/usr/include/dballe/db/repinfo.h is in libdballe-dev 5.18-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* db/repinfo - repinfo table management
*
* Copyright (C) 2005--2010 ARPA-SIM <urpsim@smr.arpa.emr.it>
*
* 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.
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* Author: Enrico Zini <enrico@enricozini.com>
*/
#ifndef DBALLE_DB_REPINFO_H
#define DBALLE_DB_REPINFO_H
/** @file
* @ingroup db
*
* Repinfo table management used by the db module.
*/
#include <dballe/db/odbcworkarounds.h>
#include <vector>
#include <string>
namespace dballe {
namespace db {
struct Connection;
namespace repinfo {
/** repinfo cache entry */
struct Cache
{
/** Report code */
DBALLE_SQL_C_UINT_TYPE id;
/** Report name */
std::string memo;
/** Report description */
std::string desc;
/** Report priority */
DBALLE_SQL_C_SINT_TYPE prio;
/** Report descriptor (currently unused) */
std::string descriptor;
/** Report A table value (currently unused) */
DBALLE_SQL_C_UINT_TYPE tablea;
/** New report name used when updating the repinfo table */
std::string new_memo;
/** New report description used when updating the repinfo table */
std::string new_desc;
/** New report priority used when updating the repinfo table */
DBALLE_SQL_C_SINT_TYPE new_prio;
/** New report descriptor used when updating the repinfo table */
std::string new_descriptor;
/** New report A table value used when updating the repinfo table */
DBALLE_SQL_C_UINT_TYPE new_tablea;
Cache(int id, const std::string& memo, const std::string& desc, int prio, const std::string& descriptor, int tablea);
void make_new();
};
/** reverse rep_memo -> rep_cod cache entry */
struct Memoidx
{
/** Report name */
std::string memo;
/** Report code */
int id;
bool operator<(const Memoidx& memo) const;
};
}
/**
* Fast cached access to the repinfo table
*/
struct Repinfo
{
/** Cache of table entries */
std::vector<repinfo::Cache> cache;
/** rep_memo -> rep_cod reverse index */
mutable std::vector<repinfo::Memoidx> memo_idx;
/**
* DB connection. The pointer is assumed always valid during the
* lifetime of the object
*/
Connection* conn;
Repinfo(Connection* conn);
~Repinfo();
/**
* Invalidate the repinfo cache. To be called if the repinfo table is modified
* externally; for example, when the table is recreated on database reset.
*/
void invalidate_cache();
/**
* Update the report type information in the database using the data from the
* given file.
*
* @param ri
* dba_db_repinfo used to update the database
* @param deffile
* Pathname of the file to use for the update. The NULL value is accepted
* and means to use the default configure repinfo.csv file.
* @retval added
* Number of entries that have been added during the update.
* @retval deleted
* Number of entries that have been deleted during the update.
* @retval updated
* Number of entries that have been updated during the update.
*/
void update(const char* deffile, int* added, int* deleted, int* updated);
/**
* Get the id of a repinfo entry given its name
*
* @param memo
* The name to query
* @return
* The resulting id. It will always be a valid one, because the functions
* fails if memo is not found.
*/
int get_id(const char* memo) const;
/**
* Check if the database contains the given rep_cod id
*
* @param id
* id to check
* @return
* true if id exists, else false.
*/
bool has_id(unsigned id) const;
/**
* Get a repinfo cache entry by id.
*
* @param id
* id to query
* @return
* The Cache structure found, or NULL if none was found.
*/
const repinfo::Cache* get_by_id(unsigned id) const;
/**
* Get a repinfo cache entry by name.
*
* @param memo
* name to query
* @return
* The Cache structure found, or NULL if none was found.
*/
const repinfo::Cache* get_by_memo(const char* memo) const;
protected:
void read_cache();
void cache_append(unsigned id, const char* memo, const char* desc, int prio, const char* descriptor, int tablea);
void rebuild_memo_idx() const;
int cache_find_by_memo(const char* memo) const;
int cache_find_by_id(unsigned id) const;
std::vector<repinfo::Cache> read_repinfo_file(const char* deffile);
private:
// disallow copy
Repinfo(const Repinfo&);
Repinfo& operator=(const Repinfo&);
};
} // namespace db
} // namespace dballe
/* vim:set ts=4 sw=4: */
#endif
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