/* Chrysalide - Outil d'analyse de fichiers binaires
 * gbincontent.h - prototypes pour le chargement de données binaires en mémoire
 *
 * Copyright (C) 2015 Cyrille Bagard
 *
 *  This file is part of Chrysalide.
 *
 *  OpenIDA 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 3 of the License, or
 *  (at your option) any later version.
 *
 *  OpenIDA 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 Foobar.  If not, see <http://www.gnu.org/licenses/>.
 */


#ifndef _GLIBEXT_GBINCONTENT_H
#define _GLIBEXT_GBINCONTENT_H


#include <glib-object.h>


#include "../arch/archbase.h"
#include "../arch/vmpa.h"
#include "../common/endianness.h"



#define G_TYPE_BIN_CONTENT                (g_binary_content_get_type())
#define G_BIN_CONTENT(obj)                (G_TYPE_CHECK_INSTANCE_CAST((obj), G_TYPE_BIN_CONTENT, GBinContent))
#define G_IS_BIN_CONTENT(obj)             (G_TYPE_CHECK_INSTANCE_TYPE((obj), G_TYPE_BIN_CONTENT))
#define G_BIN_CONTENT_CLASS(klass)        (G_TYPE_CHECK_CLASS_CAST((klass), G_TYPE_BIN_CONTENT, GBinContentClass))
#define G_IS_BIN_CONTENT_CLASS(klass)     (G_TYPE_CHECK_CLASS_TYPE((klass), G_TYPE_BIN_CONTENT))
#define G_BIN_CONTENT_GET_CLASS(obj)      (G_TYPE_INSTANCE_GET_CLASS((obj), G_TYPE_BIN_CONTENT, GBinContentClass))


/* Content de données binaires quelconques (instance) */
typedef struct _GBinContent GBinContent;

/* Content de données binaires quelconques (classe) */
typedef struct _GBinContentClass GBinContentClass;



/* Indique le type défini par la GLib pour les contenus de données. */
GType g_binary_content_get_type(void);

/* Charge en mémoire le contenu d'un fichier donné. */
GBinContent *g_binary_content_new_from_file(const char *);

/* Fournit une empreinte unique (SHA256) pour les données. */
const gchar *g_binary_content_get_cheksum(GBinContent *);

/* Détermine le nombre d'octets lisibles. */
phys_t g_binary_content_compute_size(const GBinContent *);


/* Fournit une portion des données représentées. */
bool g_binary_content_get_raw(const GBinContent *, vmpa2t *, phys_t, bin_t *);



/* Lit un nombre non signé sur quatre bits. */
bool g_binary_content_read_u4(const GBinContent *, vmpa2t *, bool *, SourceEndian, uint8_t *);

/* Lit un nombre non signé sur un octet. */
bool g_binary_content_read_u8(const GBinContent *, vmpa2t *, SourceEndian, uint8_t *);

/* Lit un nombre non signé sur deux octets. */
bool g_binary_content_read_u16(const GBinContent *, vmpa2t *, SourceEndian, uint16_t *);

/* Lit un nombre non signé sur quatre octets. */
bool g_binary_content_read_u32(const GBinContent *, vmpa2t *, SourceEndian, uint32_t *);

/* Lit un nombre non signé sur huit octets. */
bool g_binary_content_read_u64(const GBinContent *, vmpa2t *, SourceEndian, uint64_t *);


#define g_binary_content_read_s4(c, a, l, e, v) g_binary_content_read_u4(c, a, l, e, (uint8_t *)v)
#define g_binary_content_read_s8(c, a, e, v) g_binary_content_read_u8(c, a, e, (uint8_t *)v)
#define g_binary_content_read_s16(c, a, e, v) g_binary_content_read_u16(c, a, e, (uint16_t *)v)
#define g_binary_content_read_s32(c, a, e, v) g_binary_content_read_u32(c, a, e, (uint32_t *)v)
#define g_binary_content_read_s64(c, a, e, v) g_binary_content_read_u64(c, a, e, (uint64_t *)v)



const bin_t *g_binary_content_get(GBinContent *content, off_t *length);





#endif  /* _GLIBEXT_GBINCONTENT_H */