isPlanar.c

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/*PGR-GNU*****************************************************************
File: isPlanar.c
 
Generated with Template by:
Copyright (c) 2020 pgRouting developers
Mail: [email protected]
 
Function's developer:
Copyright (c) 2020 Himanshu Raj
Mail: [email protected]
 
 
------
 
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*/
 
#include <stdbool.h>
#include "c_common/postgres_connection.h"
#include "utils/array.h"
 
#include "c_common/debug_macro.h"
#include "c_common/e_report.h"
#include "c_common/time_msg.h"
 
#include "c_common/edges_input.h"
 
#include "drivers/planar/isPlanar_driver.h"
PGDLLEXPORT Datum _pgr_isplanar(PG_FUNCTION_ARGS);
PG_FUNCTION_INFO_V1(_pgr_isplanar);
 
static bool
process(
    char *edges_sql
  ) {
    bool planarity = false;
    pgr_SPI_connect();
 
    pgr_edge_t *edges = NULL;
    size_t total_edges = 0;
 
    pgr_get_edges(edges_sql, &edges, &total_edges);
 
    if (total_edges == 0) {
        pgr_SPI_finish();
        return (false);
    }
 
    clock_t start_t = clock();
    char *log_msg = NULL;
    char *notice_msg = NULL;
    char *err_msg = NULL;
 
 
    planarity = do_pgr_isPlanar(
        edges,
        total_edges,
 
        &log_msg,
        &notice_msg,
        &err_msg);
 
    time_msg(" processing pgr_isPlanar", start_t, clock());
 
    pgr_global_report(log_msg, notice_msg, err_msg);
 
    if (edges)
        pfree(edges);
    if (log_msg)
        pfree(log_msg);
    if (notice_msg)
        pfree(notice_msg);
    if (err_msg)
        pfree(err_msg);
 
    pgr_SPI_finish();
 
    return planarity;
}
 
PGDLLEXPORT Datum _pgr_isplanar(PG_FUNCTION_ARGS) {
        /**********************************************************************/
        /*
        pgr_isPlanar(
            edge_sql TEXT)
        */
        /**********************************************************************/
        PG_RETURN_BOOL(process(text_to_cstring(PG_GETARG_TEXT_P(0))));
        /**********************************************************************/
}