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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 2013 Olaf Wintermann. 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 HOLDER 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 <ucx/string.h>

#include "../public/nsapi.h"

#include "object.h"

#include "pool.h"
#include "../daemon/func.h"



httpd_object* object_new(pool_handle_t *pool, char *name) {
    // TODO: Speicherverwaltung
    httpd_object *obj = pool_malloc(pool, sizeof(httpd_object));
    obj->pool = pool;
    obj->name = name;
    obj->path = NULL;

    // create directive table
    obj->dt = pool_calloc(pool, NUM_NSAPI_TYPES - 1, sizeof(struct dtable));
    obj->nd = NUM_NSAPI_TYPES - 1;

    return obj;
}

void object_free(httpd_object *obj) {
    //free(obj->name);
    //free(obj->dt);
}


void object_add_directive(httpd_object *obj, directive *dir, int dt) {
    dtable *l = object_get_dtable(obj, dt);
    // allocate space for the new directive

    //l->dirs = realloc(l->dirs, (l->ndir+1)*sizeof(void*));
    // TODO: use realloc
    
    directive **drs = pool_malloc(obj->pool, (l->ndir+1)*sizeof(void*));
    for(int i=0;i<l->ndir;i++) {
        drs[i] = l->dirs[i];
    }
    if(l->dirs != NULL) {
        pool_free(obj->pool, l->dirs);
    }
    l->dirs = drs;

    // add directive
    l->dirs[l->ndir] = dir;
    l->ndir++;
}


/* objset functions */
httpd_objset* objset_create(pool_handle_t *pool) {
    httpd_objset *os = pool_malloc(pool, sizeof(httpd_objset));

    os->obj = pool_calloc(pool, 2, sizeof(void*));
    os->pos = 0;

    return os;
}

void objset_add_object(pool_handle_t *p, httpd_objset *os, httpd_object *obj) {
    if(os->pos != 0 && os->pos % 2 == 0) {
        os->obj = pool_realloc(p, os->obj, (os->pos + 2) * sizeof(void*));
    }
    os->obj[os->pos] = obj;
    os->pos++;
}

void httpobjconf_add_object(HTTPObjectConfig *conf, httpd_object *obj) {
    conf->nobj++;
    conf->objects = realloc(conf->objects, conf->nobj * sizeof(void*));
    conf->objects[conf->nobj - 1] = obj;
}


void nsapi_context_next_stage(NSAPIContext *context) {
    context->dtable_index  = 0;
    context->objset_index  = -1;
    context->last_req_code = REQ_NOACTION;
}


Condition* condition_from_str(pool_handle_t *pool, char *expr, size_t len) {
    Condition *cond = pool_malloc(pool, sizeof(Condition));
    cond->expression = NULL;
    cond->parent = NULL;
    cond->index = 0;
    
    printf("Expression: {");
    fwrite(expr, len, 1, stdout);
    printf("}\n");
    
    cond->expression = expression_from_str(pool, expr, len);
    
    return cond;
}

Expression* expression_from_str(pool_handle_t *pool, char *expr, size_t len) {
    return NULL;
}

int condition_evaluate(Condition *condition, Session *sn, Request *rq) {
    return 1;
}