/*      $NetBSD: libintl_local.h,v 1.12 2007/09/25 08:22:44 junyoung Exp $      */

/*-
 * Copyright (c) 2000, 2001 Citrus Project,
 * 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 AUTHOR 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 AUTHOR 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.
 *
 * $Citrus: xpg4dl/FreeBSD/lib/libintl/libintl_local.h,v 1.13 2001/09/27 15:18:45 yamt Exp $
 */

#define MO_MAGIC                0x950412de
#define MO_MAGIC_SWAPPED        0xde120495
#define MO_GET_REV_MAJOR(r)     (((r) >> 16) & 0xFFFF)
#define MO_GET_REV_MINOR(r)     ((r) & 0xFFFF)
#define MO_MAKE_REV(maj, min)   (((maj) << 16) | (min))

#define GETTEXT_MMAP_MAX        (1024 * 1024)   /*XXX*/

#define DEFAULT_DOMAINNAME      "messages"

/* *.mo file format */
struct mo {
        uint32_t mo_magic;      /* determines endian */
        uint32_t mo_revision;   /* file format revision: 0 */
        uint32_t mo_nstring;    /* N: number of strings */
        uint32_t mo_otable;     /* O: original text table offset */
        uint32_t mo_ttable;     /* T: translated text table offset */
        uint32_t mo_hsize;      /* S: size of hashing table */
        uint32_t mo_hoffset;    /* H: offset of hashing table */
        /* rev 0.1 / 1.1 */
        /* system dependent string support */
        uint32_t mo_sysdep_nsegs;       /* number of sysdep segments */
        uint32_t mo_sysdep_segoff;      /* offset of sysdep segment table */
        uint32_t mo_sysdep_nstring;     /* number of strings */
        uint32_t mo_sysdep_otable;      /* offset of original text table */
        uint32_t mo_sysdep_ttable;      /* offset of translated text table */
} __packed;

struct moentry {
        uint32_t len;           /* strlen(str), so region will be len + 1 */
        uint32_t off;           /* offset of \0-terminated string */
} __packed;

struct mosysdepsegentry {
        uint32_t len;           /* length of this part */
        uint32_t ref;           /* reference number of the sysdep string,
                                 * concatenated just after this segment.
                                 */
} __packed;
#define MO_LASTSEG              (0xFFFFFFFF)

struct mosysdepstr {
        uint32_t off;                           /* offset of seed text */
        struct mosysdepsegentry segs[1];        /* text segments */
} __packed;

/* libintl internal data format */
struct moentry_h {
        size_t len;             /* strlen(str), so region will be len + 1 */
        char *off;              /* offset of \0-terminated string */
};

struct mosysdepsegs_h {
        const char *str;
        size_t len;
};

struct mosysdepsegentry_h {
        uint32_t len;
        uint32_t ref;
};

struct mosysdepstr_h {
        const char *off;                        /* offset of the base string */
        char *expanded;                         /* expanded string */
        size_t expanded_len;                    /* length of expanded string */
        struct mosysdepsegentry_h segs[1];      /* text segments */
};

struct gettext_plural;
struct mo_h {
        uint32_t mo_magic;      /* determines endian */
        uint32_t mo_revision;   /* file format revision: 0 */
        uint32_t mo_nstring;    /* N: number of strings */
        struct moentry_h *mo_otable;    /* O: original text table offset */
        struct moentry_h *mo_ttable;    /* T: translated text table offset */
        const char *mo_header;
        struct gettext_plural *mo_plural;
        unsigned long mo_nplurals;
        char *mo_charset;
        uint32_t mo_hsize;      /* S: size of hashing table */
        uint32_t *mo_htable;    /* H: hashing table */
#define MO_HASH_SYSDEP_MASK     0x80000000      /* means sysdep entry */

        uint32_t mo_flags;
#define MO_F_SYSDEP     0x00000001      /* enable sysdep string support */

        /* system dependent string support */
        uint32_t mo_sysdep_nsegs;       /* number of sysdep segments */
        uint32_t mo_sysdep_nstring;     /* number of sysdep strings */
        struct mosysdepsegs_h *mo_sysdep_segs;  /* sysdep segment table */
        struct mosysdepstr_h **mo_sysdep_otable;        /* original text */
        struct mosysdepstr_h **mo_sysdep_ttable;        /* translated text */
};


struct mohandle {
        void *addr;             /* mmap'ed region */
        size_t len;
        struct mo_h mo;         /* endian-flipped mo file header */
};

struct domainbinding {
        struct domainbinding *next;
        char domainname[PATH_MAX];
        char path[PATH_MAX];
        char *codeset;
        struct mohandle mohandle;
};

extern struct domainbinding *__bindings;
extern char __current_domainname[PATH_MAX];

__BEGIN_DECLS
const char *__gettext_iconv(const char *, struct domainbinding *);
uint32_t __intl_string_hash(const char *);
const char *__intl_sysdep_get_string_by_tag(const char *, size_t *);
__END_DECLS