mirror of
https://github.com/ZDoom/zdoom-macos-deps.git
synced 2024-12-03 00:42:22 +00:00
281 lines
13 KiB
C
281 lines
13 KiB
C
/*
|
|
* libInstPatch
|
|
* Copyright (C) 1999-2014 Element Green <element@elementsofsound.org>
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public License
|
|
* as published by the Free Software Foundation; version 2.1
|
|
* of the License only.
|
|
*
|
|
* This library 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 Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser 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 or on the web at http://www.gnu.org.
|
|
*/
|
|
#ifndef __IPATCH_FILE_H__
|
|
#define __IPATCH_FILE_H__
|
|
|
|
#include <glib.h>
|
|
#include <glib-object.h>
|
|
#include <libinstpatch/compat.h>
|
|
|
|
/* forward type declarations */
|
|
|
|
typedef struct _IpatchFile IpatchFile;
|
|
typedef struct _IpatchFileClass IpatchFileClass;
|
|
typedef struct _IpatchFileIOFuncs IpatchFileIOFuncs;
|
|
typedef struct _IpatchFileHandle IpatchFileHandle;
|
|
|
|
#include <libinstpatch/IpatchItem.h>
|
|
|
|
#define IPATCH_TYPE_FILE (ipatch_file_get_type ())
|
|
#define IPATCH_FILE(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST ((obj), IPATCH_TYPE_FILE, IpatchFile))
|
|
#define IPATCH_FILE_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST ((klass), IPATCH_TYPE_FILE, IpatchFileClass))
|
|
#define IPATCH_IS_FILE(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), IPATCH_TYPE_FILE))
|
|
#define IPATCH_IS_FILE_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_TYPE ((klass), IPATCH_TYPE_FILE))
|
|
#define IPATCH_FILE_GET_CLASS(obj) \
|
|
(G_TYPE_INSTANCE_GET_CLASS ((obj), IPATCH_TYPE_FILE, IpatchFileClass))
|
|
|
|
/* IO function table for IpatchFile instances */
|
|
struct _IpatchFileIOFuncs
|
|
{
|
|
gboolean(*open)(IpatchFileHandle *handle, const char *mode, GError **err);
|
|
void (*close)(IpatchFileHandle *handle);
|
|
GIOStatus(*read)(IpatchFileHandle *handle, gpointer buf, guint size,
|
|
guint *bytes_read, GError **err);
|
|
GIOStatus(*write)(IpatchFileHandle *handle, gconstpointer buf, guint size,
|
|
GError **err);
|
|
GIOStatus(*seek)(IpatchFileHandle *handle, int offset, GSeekType type, GError **err);
|
|
int (*getfd)(IpatchFileHandle *handle); /* optional get file descriptor method */
|
|
int (*get_size)(IpatchFile *file, GError **err); /* optional get size method */
|
|
};
|
|
|
|
/* File object */
|
|
struct _IpatchFile
|
|
{
|
|
IpatchItem parent_instance;
|
|
|
|
/*< private >*/
|
|
|
|
IpatchFileIOFuncs *iofuncs; /* per instance I/O methods */
|
|
char *file_name; /* not always set */
|
|
GIOChannel *iochan; /* assigned directly with ipatch_file_set_(fd/iochan) */
|
|
GHashTable *ref_hash; /* registered objects referencing this file: objectPtr -> GWeakRef */
|
|
guint open_count; /* count of open file handles */
|
|
};
|
|
|
|
/* File object class */
|
|
struct _IpatchFileClass
|
|
{
|
|
IpatchItemClass parent_class;
|
|
|
|
/* File identify method */
|
|
gboolean(*identify)(IpatchFile *file, IpatchFileHandle *handle, GError **err);
|
|
int identify_order; /* Identify execution order (see #IpatchFileIdentifyOrder, 0 = default) */
|
|
};
|
|
|
|
/**
|
|
* IpatchFileFlags:
|
|
* @IPATCH_FILE_FLAG_SWAP: Swap multi-byte numbers?
|
|
* @IPATCH_FILE_FLAG_BIG_ENDIAN: Big endian file?
|
|
* @IPATCH_FILE_FLAG_FREE_IOFUNCS: Should ->iofuncs be freed?
|
|
*/
|
|
typedef enum
|
|
{
|
|
IPATCH_FILE_FLAG_SWAP = 1 << (IPATCH_ITEM_UNUSED_FLAG_SHIFT),
|
|
IPATCH_FILE_FLAG_BIG_ENDIAN = 1 << (IPATCH_ITEM_UNUSED_FLAG_SHIFT + 1),
|
|
IPATCH_FILE_FLAG_FREE_IOFUNCS = 1 << (IPATCH_ITEM_UNUSED_FLAG_SHIFT + 2)
|
|
} IpatchFileFlags;
|
|
|
|
/**
|
|
* IpatchFileIdentifyOrder:
|
|
* @IPATCH_FILE_IDENTIFY_ORDER_LAST: Execute last (toward the end of the list)
|
|
* @IPATCH_FILE_IDENTIFY_ORDER_DEFAULT: Default execution order (no preference)
|
|
* @IPATCH_FILE_IDENTIFY_ORDER_FIRST: Execute first (toward the start of the list)
|
|
*
|
|
* Some helpful constants for the identify_order #IpatchFileClass field. Note
|
|
* that any value can be used and this enum just provides some helpful values.
|
|
* This value determines in what order file identification methods are called.
|
|
* Higher values are executed first.
|
|
*/
|
|
typedef enum
|
|
{
|
|
IPATCH_FILE_IDENTIFY_ORDER_LAST = -10,
|
|
IPATCH_FILE_IDENTIFY_ORDER_DEFAULT = 0,
|
|
IPATCH_FILE_IDENTIFY_ORDER_FIRST = 10
|
|
} IpatchFileIdentifyOrder;
|
|
|
|
/**
|
|
* IPATCH_FILE_UNUSED_FLAG_SHIFT: (skip)
|
|
*/
|
|
/* reserve 6 flags (3 for expansion) */
|
|
#define IPATCH_FILE_UNUSED_FLAG_SHIFT (IPATCH_ITEM_UNUSED_FLAG_SHIFT + 6)
|
|
|
|
/* macro to check if multi-byte numbers in file require swapping */
|
|
#define IPATCH_FILE_NEED_SWAP(file) \
|
|
(ipatch_item_get_flags(file) & IPATCH_FILE_FLAG_SWAP)
|
|
/* macro to check if file is big endian */
|
|
#define IPATCH_FILE_BIG_ENDIAN(file) \
|
|
(ipatch_item_get_flags(file) & IPATCH_FILE_FLAG_BIG_ENDIAN)
|
|
|
|
/* runtime byte swapping macros for convenient loading of cross endian
|
|
files, takes a pointer to the value to swap (like in a buffer) */
|
|
#define IPATCH_FILE_SWAP16(file, p16) \
|
|
(IPATCH_FILE_NEED_SWAP (file) ? \
|
|
GUINT16_SWAP_LE_BE (*(guint16 *)(p16)) : *(guint16 *)(p16))
|
|
#define IPATCH_FILE_SWAP32(file, p32) \
|
|
(IPATCH_FILE_NEED_SWAP (file) ? \
|
|
GUINT32_SWAP_LE_BE (*(guint32 *)(p32)) : *(guint32 *)(p32))
|
|
#define IPATCH_FILE_SWAP64(file, p64) \
|
|
(IPATCH_FILE_NEED_SWAP (file) ? \
|
|
GUINT64_SWAP_LE_BE (*(guint64 *)(p64)) : *(guint64 *)(p64))
|
|
|
|
#define IPATCH_IS_FILE_HANDLE(handle) \
|
|
((handle) && IPATCH_IS_FILE ((handle)->file))
|
|
|
|
/**
|
|
* IpatchFileHandle:
|
|
*
|
|
* #IpatchFile handle for opening a file and reading/writing from/to it.
|
|
*/
|
|
struct _IpatchFileHandle
|
|
{
|
|
IpatchFile *file; /* Parent file object */
|
|
guint position; /* Current file position */
|
|
GByteArray *buf; /* For buffered reads/writes */
|
|
guint buf_position; /* Current position in buffer */
|
|
GIOChannel *iochan; /* glib IO channel (default methods) */
|
|
gpointer data; /* iofuncs defined data */
|
|
};
|
|
|
|
|
|
GType ipatch_file_get_type(void);
|
|
GType ipatch_file_handle_get_type(void);
|
|
IpatchFile *ipatch_file_new(void);
|
|
IpatchFile *ipatch_file_pool_new(const char *file_name, gboolean *created);
|
|
IpatchFile *ipatch_file_pool_lookup(const char *file_name);
|
|
|
|
void ipatch_file_ref_from_object(IpatchFile *file, GObject *object);
|
|
void ipatch_file_unref_from_object(IpatchFile *file, GObject *object);
|
|
gboolean ipatch_file_test_ref_object(IpatchFile *file, GObject *object);
|
|
IpatchList *ipatch_file_get_refs(IpatchFile *file);
|
|
IpatchList *ipatch_file_get_refs_by_type(IpatchFile *file, GType type);
|
|
|
|
void ipatch_file_set_name(IpatchFile *file, const char *file_name);
|
|
char *ipatch_file_get_name(IpatchFile *file);
|
|
gboolean ipatch_file_rename(IpatchFile *file, const char *new_name, GError **err);
|
|
gboolean ipatch_file_unlink(IpatchFile *file, GError **err);
|
|
gboolean ipatch_file_replace(IpatchFile *newfile, IpatchFile *oldfile, GError **err);
|
|
IpatchFileHandle *ipatch_file_open(IpatchFile *file, const char *file_name,
|
|
const char *mode, GError **err);
|
|
void ipatch_file_assign_fd(IpatchFile *file, int fd, gboolean close_on_finalize);
|
|
void ipatch_file_assign_io_channel(IpatchFile *file, GIOChannel *iochan);
|
|
GIOChannel *ipatch_file_get_io_channel(IpatchFileHandle *handle);
|
|
int ipatch_file_get_fd(IpatchFileHandle *handle);
|
|
void ipatch_file_close(IpatchFileHandle *handle);
|
|
|
|
guint ipatch_file_get_position(IpatchFileHandle *handle);
|
|
void ipatch_file_update_position(IpatchFileHandle *handle, guint offset);
|
|
|
|
gboolean ipatch_file_read(IpatchFileHandle *handle, gpointer buf, guint size,
|
|
GError **err);
|
|
GIOStatus ipatch_file_read_eof(IpatchFileHandle *handle, gpointer buf, guint size,
|
|
guint *bytes_read, GError **err);
|
|
gboolean ipatch_file_write(IpatchFileHandle *handle, gconstpointer buf,
|
|
guint size, GError **err);
|
|
#define ipatch_file_skip(handle, offset, err) \
|
|
ipatch_file_seek (handle, offset, G_SEEK_CUR, err)
|
|
gboolean ipatch_file_seek(IpatchFileHandle *handle, int offset, GSeekType type,
|
|
GError **err);
|
|
GIOStatus ipatch_file_seek_eof(IpatchFileHandle *handle, int offset,
|
|
GSeekType type, GError **err);
|
|
int ipatch_file_get_size(IpatchFile *file, GError **err);
|
|
GType ipatch_file_identify(IpatchFile *file, GError **err);
|
|
GType ipatch_file_identify_name(const char *filename, GError **err);
|
|
GType ipatch_file_identify_by_ext(IpatchFile *file);
|
|
IpatchFileHandle *ipatch_file_identify_open(const char *file_name, GError **err);
|
|
IpatchFile *ipatch_file_identify_new(const char *file_name, GError **err);
|
|
|
|
void ipatch_file_set_little_endian(IpatchFile *file);
|
|
void ipatch_file_set_big_endian(IpatchFile *file);
|
|
|
|
gboolean ipatch_file_read_u8(IpatchFileHandle *handle, guint8 *val, GError **err);
|
|
gboolean ipatch_file_read_u16(IpatchFileHandle *handle, guint16 *val, GError **err);
|
|
gboolean ipatch_file_read_u32(IpatchFileHandle *handle, guint32 *val, GError **err);
|
|
gboolean ipatch_file_read_u64(IpatchFileHandle *handle, guint64 *val, GError **err);
|
|
gboolean ipatch_file_read_s8(IpatchFileHandle *handle, gint8 *val, GError **err);
|
|
gboolean ipatch_file_read_s16(IpatchFileHandle *handle, gint16 *val, GError **err);
|
|
gboolean ipatch_file_read_s32(IpatchFileHandle *handle, gint32 *val, GError **err);
|
|
gboolean ipatch_file_read_s64(IpatchFileHandle *handle, gint64 *val, GError **err);
|
|
|
|
gboolean ipatch_file_write_u8(IpatchFileHandle *handle, guint8 val, GError **err);
|
|
gboolean ipatch_file_write_u16(IpatchFileHandle *handle, guint16 val, GError **err);
|
|
gboolean ipatch_file_write_u32(IpatchFileHandle *handle, guint32 val, GError **err);
|
|
gboolean ipatch_file_write_u64(IpatchFileHandle *handle, guint64 val, GError **err);
|
|
gboolean ipatch_file_write_s8(IpatchFileHandle *handle, gint8 val, GError **err);
|
|
gboolean ipatch_file_write_s16(IpatchFileHandle *handle, gint16 val, GError **err);
|
|
gboolean ipatch_file_write_s32(IpatchFileHandle *handle, gint32 val, GError **err);
|
|
gboolean ipatch_file_write_s64(IpatchFileHandle *handle, gint64 val, GError **err);
|
|
|
|
gboolean ipatch_file_buf_load(IpatchFileHandle *handle, guint size, GError **err);
|
|
void ipatch_file_buf_read(IpatchFileHandle *handle, gpointer buf, guint size);
|
|
void ipatch_file_buf_write(IpatchFileHandle *handle, gconstpointer buf,
|
|
guint size);
|
|
#define ipatch_file_buf_zero(filebuf, size) \
|
|
ipatch_file_buf_memset(filebuf, 0, size)
|
|
void ipatch_file_buf_memset(IpatchFileHandle *handle, unsigned char c, guint size);
|
|
void ipatch_file_buf_set_size(IpatchFileHandle *handle, guint size);
|
|
gboolean ipatch_file_buf_commit(IpatchFileHandle *handle, GError **err);
|
|
#define ipatch_file_buf_skip(filebuf, offset) \
|
|
ipatch_file_buf_seek (filebuf, offset, G_SEEK_CUR)
|
|
void ipatch_file_buf_seek(IpatchFileHandle *handle, int offset, GSeekType type);
|
|
|
|
guint8 ipatch_file_buf_read_u8(IpatchFileHandle *handle);
|
|
guint16 ipatch_file_buf_read_u16(IpatchFileHandle *handle);
|
|
guint32 ipatch_file_buf_read_u32(IpatchFileHandle *handle);
|
|
guint64 ipatch_file_buf_read_u64(IpatchFileHandle *handle);
|
|
gint8 ipatch_file_buf_read_s8(IpatchFileHandle *handle);
|
|
gint16 ipatch_file_buf_read_s16(IpatchFileHandle *handle);
|
|
gint32 ipatch_file_buf_read_s32(IpatchFileHandle *handle);
|
|
gint64 ipatch_file_buf_read_s64(IpatchFileHandle *handle);
|
|
|
|
void ipatch_file_buf_write_u8(IpatchFileHandle *handle, guint8 val);
|
|
void ipatch_file_buf_write_u16(IpatchFileHandle *handle, guint16 val);
|
|
void ipatch_file_buf_write_u32(IpatchFileHandle *handle, guint32 val);
|
|
void ipatch_file_buf_write_u64(IpatchFileHandle *handle, guint64 val);
|
|
void ipatch_file_buf_write_s8(IpatchFileHandle *handle, gint8 val);
|
|
void ipatch_file_buf_write_s16(IpatchFileHandle *handle, gint16 val);
|
|
void ipatch_file_buf_write_s32(IpatchFileHandle *handle, gint32 val);
|
|
void ipatch_file_buf_write_s64(IpatchFileHandle *handle, gint64 val);
|
|
|
|
void ipatch_file_set_iofuncs_static(IpatchFile *file,
|
|
IpatchFileIOFuncs *funcs);
|
|
void ipatch_file_set_iofuncs(IpatchFile *file,
|
|
const IpatchFileIOFuncs *funcs);
|
|
void ipatch_file_get_iofuncs(IpatchFile *file, IpatchFileIOFuncs *out_funcs);
|
|
void ipatch_file_set_iofuncs_null(IpatchFile *file);
|
|
|
|
gboolean ipatch_file_default_open_method(IpatchFileHandle *handle, const char *mode,
|
|
GError **err);
|
|
void ipatch_file_default_close_method(IpatchFileHandle *handle);
|
|
GIOStatus ipatch_file_default_read_method(IpatchFileHandle *handle, gpointer buf,
|
|
guint size, guint *bytes_read,
|
|
GError **err);
|
|
GIOStatus ipatch_file_default_write_method(IpatchFileHandle *handle,
|
|
gconstpointer buf,
|
|
guint size, GError **err);
|
|
GIOStatus ipatch_file_default_seek_method(IpatchFileHandle *handle, int offset,
|
|
GSeekType type, GError **err);
|
|
int ipatch_file_default_getfd_method(IpatchFileHandle *handle);
|
|
int ipatch_file_default_get_size_method(IpatchFile *file, GError **err);
|
|
|
|
#endif
|