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/*
 * The copyright in this software is being made available under the 2-clauses
 * BSD License, included below. This software may be subject to other third
 * party and contributor rights, including patent rights, and no such rights
 * are granted under this license.
 *
 * Copyright (c) 2008, Jerome Fimes, Communications & Systemes <jerome.fimes@c-s.fr>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include "opj_includes.h"

/**
 * Default size of the validation list, if not sufficient, data will be reallocated with a double size.
 */
#define OPJ_VALIDATION_SIZE 10

opj_procedure_list_t *  opj_procedure_list_create()
{
    /* memory allocation */
    opj_procedure_list_t * l_validation = (opj_procedure_list_t *) opj_calloc(1,
                                          sizeof(opj_procedure_list_t));
    if (! l_validation) {
        return 00;
    }
    /* initialization */
    l_validation->m_nb_max_procedures = OPJ_VALIDATION_SIZE;
    l_validation->m_procedures = (opj_procedure*)opj_calloc(OPJ_VALIDATION_SIZE,
                                 sizeof(opj_procedure));
    if (! l_validation->m_procedures) {
        opj_free(l_validation);
        return 00;
    }
    return l_validation;
}

void  opj_procedure_list_destroy(opj_procedure_list_t * p_list)
{
    if (! p_list) {
        return;
    }
    /* initialization */
    if (p_list->m_procedures) {
        opj_free(p_list->m_procedures);
    }
    opj_free(p_list);
}

OPJ_BOOL opj_procedure_list_add_procedure(opj_procedure_list_t *
        p_validation_list, opj_procedure p_procedure, opj_event_mgr_t* p_manager)
{

    assert(p_manager != NULL);

    if (p_validation_list->m_nb_max_procedures ==
            p_validation_list->m_nb_procedures) {
        opj_procedure * new_procedures;

        p_validation_list->m_nb_max_procedures += OPJ_VALIDATION_SIZE;
        new_procedures = (opj_procedure*)opj_realloc(
                             p_validation_list->m_procedures,
                             p_validation_list->m_nb_max_procedures * sizeof(opj_procedure));
        if (! new_procedures) {
            opj_free(p_validation_list->m_procedures);
            p_validation_list->m_nb_max_procedures = 0;
            p_validation_list->m_nb_procedures = 0;
            opj_event_msg(p_manager, EVT_ERROR,
                          "Not enough memory to add a new validation procedure\n");
            return OPJ_FALSE;
        } else {
            p_validation_list->m_procedures = new_procedures;
        }
    }
    p_validation_list->m_procedures[p_validation_list->m_nb_procedures] =
        p_procedure;
    ++p_validation_list->m_nb_procedures;

    return OPJ_TRUE;
}

OPJ_UINT32 opj_procedure_list_get_nb_procedures(opj_procedure_list_t *
        p_validation_list)
{
    return p_validation_list->m_nb_procedures;
}

opj_procedure* opj_procedure_list_get_first_procedure(opj_procedure_list_t *
        p_validation_list)
{
    return p_validation_list->m_procedures;
}

void opj_procedure_list_clear(opj_procedure_list_t * p_validation_list)
{
    p_validation_list->m_nb_procedures = 0;
}