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/*PGR-GNU*****************************************************************
File: edges_input.h
Copyright (c) 2015 Celia Virginia Vergara Castillo
vicky_vergara@hotmail.com
------
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
(at your option) 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
********************************************************************PGR-GNU*/
#ifndef INCLUDE_C_COMMON_EDGES_INPUT_H_
#define INCLUDE_C_COMMON_EDGES_INPUT_H_
#pragma once
/* for size-t */
#include <stddef.h>
typedef struct Edge_xy_t Edge_xy_t;
typedef struct Flow_t Flow_t;
typedef struct Edge_bool_t_rt Edge_bool_t_rt;
typedef struct CostFlow_t CostFlow_t;
typedef struct Edge_t Edge_t;
/*! @brief edges_sql without id parameter
~~~~{.c}
SELECT source, target, cost, [reverse_cost]
FROM edge_table;
~~~~
Currently used in: allpairs
@param[in] edges_sql
@param[out] edges
@param[out] total_edges
*/
void pgr_get_edges_no_id(
char *edges_sql,
Edge_t **edges,
size_t *total_edges);
/*! @brief basic edge_sql
For queries of the type:
~~~~{.c}
SELECT id, source, target, cost, [reverse_cost]
FROM edge_table;
~~~~
@param[in] edges_sql
@param[out] edges
@param[out] total_edges
*/
void pgr_get_edges(
char *edges_sql,
Edge_t **edges,
size_t *total_edges);
void pgr_get_edges_reversed(
char *edges_sql,
Edge_t **edges,
size_t *total_edges);
/*! @brief Edges with x, y vertices values
For queries of the type:
~~~~{.c}
SELECT id, source, target, cost, [reverse_cost], x1, y1, x2, y2
FROM edge_table;
~~~~
@param[in] edges_sql
@param[out] edges
@param[out] total_edges
*/
void pgr_get_edges_xy(
char *edges_sql,
Edge_xy_t **edges,
size_t *total_edges);
/*! @brief for many to 1 on aStar
Used internally
Transforms queries of the type:
~~~~{.c}
SELECT id, source, target, cost, [reverse_cost], x1, y1, x2, y2
FROM edge_table;
~~~~
to
~~~~{.c}
SELECT id, target, source, cost, [reverse_cost], x1, y1, x2, y2
FROM edge_table;
~~~~
@param[in] edges_sql
@param[out] edges
@param[out] total_edges
*/
void pgr_get_edges_xy_reversed(
char *edges_sql,
Edge_xy_t **edges,
size_t *total_edges);
/*! @brief read edges for flow
Edges:
bigint id,
bigint source,
bigint target,
bigint capacity,
bigint reverse_capacity
@param[in] sql
@param[out] edges
@param[out] total_edges
*/
void pgr_get_flow_edges(
char *sql,
Edge_t **edges,
size_t *total_edges);
/*! @brief read edges for cost flow
Edges:
bigint id,
bigint source,
bigint target,
bigint capacity,
bigint reverse_capacity
float cost,
float reverse_cost
@param[in] sql
@param[out] edges
@param[out] total_edges
*/
void pgr_get_costFlow_edges(
char *sql,
CostFlow_t **edges,
size_t *total_edges);
/*! @brief read basic edges
For queries of the type:
~~~~{.c}
SELECT id, source, target, going, [coming]
FROM edge_table;
~~~~
@param[in] sql
@param[out] edges
@param[out] total_edges
*/
void pgr_get_basic_edges(
char *sql,
Edge_bool_t_rt **edges,
size_t *total_edges);
#endif // INCLUDE_C_COMMON_EDGES_INPUT_H_
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