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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* hgfile.h
* Copyright (C) 2005-2011 Akira TAGOH
*
* Authors:
* Akira TAGOH <akira@tagoh.org>
*
* This library 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; either
* version 2 of the License, or (at your option) any later version.
*
* 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 library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#if !defined (__HG_H_INSIDE__) && !defined (HG_COMPILATION)
#error "Only <hieroglyph/hg.h> can be included directly."
#endif
#ifndef __HIEROGLYPH_HGFILE_H__
#define __HIEROGLYPH_HGFILE_H__
#include <unistd.h>
#include <hieroglyph/hgobject.h>
#include <hieroglyph/hgstring.h>
HG_BEGIN_DECLS
#define HG_FILE_INIT \
HG_STMT_START { \
HG_STRING_INIT; \
hg_object_register(HG_TYPE_FILE, \
hg_object_file_get_vtable()); \
} HG_STMT_END
#define HG_IS_QFILE(_q_) \
(hg_quark_get_type((_q_)) == HG_TYPE_FILE)
extern HG_THREAD_VAR hg_int_t hg_fileerrno;
typedef enum _hg_file_io_t hg_file_io_t;
typedef enum _hg_file_mode_t hg_file_mode_t;
typedef enum _hg_file_pos_t hg_file_pos_t;
typedef struct _hg_file_vtable_t hg_file_vtable_t;
typedef struct _hg_file_t hg_file_t;
typedef struct _hg_file_io_data_t hg_file_io_data_t;
typedef void (* hg_file_yybuffer_finalizer_func_t) (hg_pointer_t yybuffer,
hg_pointer_t yydata);
enum _hg_file_io_t {
HG_FILE_IO_FILE = 0,
HG_FILE_IO_STDIN,
HG_FILE_IO_STDOUT,
HG_FILE_IO_STDERR,
HG_FILE_IO_LINEEDIT,
HG_FILE_IO_STATEMENTEDIT,
HG_FILE_IO_END
};
enum _hg_file_mode_t {
HG_FILE_IO_MODE_READ = 1 << 0,
HG_FILE_IO_MODE_WRITE = 1 << 1,
HG_FILE_IO_MODE_READWRITE = HG_FILE_IO_MODE_READ|HG_FILE_IO_MODE_WRITE,
HG_FILE_IO_MODE_APPEND = 1 << 2,
HG_FILE_IO_MODE_END = 1 << 3,
};
enum _hg_file_pos_t {
HG_FILE_POS_BEGIN = SEEK_SET,
HG_FILE_POS_CURRENT = SEEK_CUR,
HG_FILE_POS_END = SEEK_END
};
struct _hg_file_vtable_t {
hg_bool_t (* open) (hg_file_t *file,
hg_pointer_t user_data);
void (* close) (hg_file_t *file,
hg_pointer_t user_data);
hg_size_t (* read) (hg_file_t *file,
hg_pointer_t user_data,
hg_pointer_t buffer,
hg_usize_t size,
hg_usize_t n);
hg_size_t (* write) (hg_file_t *file,
hg_pointer_t user_data,
const hg_pointer_t buffer,
hg_usize_t size,
hg_usize_t n);
hg_bool_t (* flush) (hg_file_t *file,
hg_pointer_t user_data);
hg_size_t (* seek) (hg_file_t *file,
hg_pointer_t user_data,
hg_size_t offset,
hg_file_pos_t whence);
hg_bool_t (* is_eof) (hg_file_t *file,
hg_pointer_t user_data);
void (* clear_eof) (hg_file_t *file,
hg_pointer_t user_data);
};
struct _hg_file_t {
hg_object_t o;
hg_quark_t qfilename;
hg_file_io_t io_type;
hg_file_mode_t mode;
hg_file_vtable_t *vtable;
hg_usize_t size;
hg_size_t position;
hg_size_t lineno;
hg_bool_t is_closed;
hg_file_io_data_t *user_data;
hg_file_yybuffer_finalizer_func_t yyfree;
hg_pointer_t yybuffer;
hg_pointer_t yydata;
};
struct _hg_file_io_data_t {
hg_quark_t self;
hg_bool_t is_eof;
hg_int_t fd;
hg_pointer_t mmapped_buffer;
};
hg_object_vtable_t *hg_object_file_get_vtable (void) HG_GNUC_CONST;
const hg_file_vtable_t *hg_file_get_lineedit_vtable(void) HG_GNUC_CONST;
hg_file_io_t hg_file_get_io_type (const hg_char_t *name);
hg_quark_t hg_file_new (hg_mem_t *mem,
const hg_char_t *name,
hg_file_mode_t mode,
hg_pointer_t *ret);
hg_quark_t hg_file_new_with_vtable (hg_mem_t *mem,
const hg_char_t *name,
hg_file_mode_t mode,
const hg_file_vtable_t *vtable,
hg_pointer_t user_data,
hg_pointer_t *ret);
hg_quark_t hg_file_new_with_string (hg_mem_t *mem,
const hg_char_t *name,
hg_file_mode_t mode,
hg_string_t *in,
hg_string_t *out,
hg_pointer_t *ret);
void hg_file_close (hg_file_t *file);
hg_size_t hg_file_read (hg_file_t *file,
hg_pointer_t buffer,
hg_usize_t size,
hg_usize_t n);
hg_size_t hg_file_write (hg_file_t *file,
hg_pointer_t buffer,
hg_usize_t size,
hg_usize_t n);
hg_bool_t hg_file_flush (hg_file_t *file);
hg_size_t hg_file_seek (hg_file_t *file,
hg_size_t offset,
hg_file_pos_t whence);
hg_bool_t hg_file_is_closed (hg_file_t *file);
hg_bool_t hg_file_is_eof (hg_file_t *file);
void hg_file_clear_eof (hg_file_t *file);
hg_size_t hg_file_append_printf (hg_file_t *file,
hg_char_t const *format,
...);
hg_size_t hg_file_append_vprintf (hg_file_t *file,
hg_char_t const *format,
va_list args);
void hg_file_set_lineno (hg_file_t *file,
hg_size_t n);
hg_size_t hg_file_get_lineno (hg_file_t *file);
hg_size_t hg_file_get_position (hg_file_t *file);
void hg_file_set_yybuffer (hg_file_t *file,
hg_pointer_t yybuffer,
hg_file_yybuffer_finalizer_func_t func,
hg_pointer_t user_data);
hg_pointer_t hg_file_get_yybuffer (hg_file_t *file);
void hg_file_set_error (const hg_char_t *function);
HG_END_DECLS
#endif /* __HIEROGLYPH_HGFILE_H__ */
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