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/**************************************************************/
/* treebnf: a tree oriented bnf library */
/* Copyright (C) 2024 SysDeer Technologies, LLC */
/* Released under GPLv2 and GPLv3; see COPYING.TREEBNF. */
/**************************************************************/
#ifndef TREEBNF_DRIVER_IMPL_H
#define TREEBNF_DRIVER_IMPL_H
#include <stdint.h>
#include <dirent.h>
#include <stdio.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <treebnf/treebnf.h>
#include "argv/argv.h"
#define TBNF_OPTV_ELEMENTS 128
extern const struct argv_option tbnf_default_options[];
enum app_tags {
TAG_HELP,
TAG_VERSION,
};
struct tbnf_driver_ctx_impl {
struct tbnf_common_ctx cctx;
struct tbnf_driver_ctx ctx;
struct tbnf_fd_ctx fdctx;
int fdtmpin;
const struct tbnf_unit_ctx * euctx;
const char * eunit;
struct tbnf_error_info ** errinfp;
struct tbnf_error_info ** erricap;
struct tbnf_error_info * erriptr[64];
struct tbnf_error_info erribuf[64];
};
struct tbnf_unit_ctx_impl {
const char * path;
struct tbnf_unit_ctx uctx;
struct tbnf_raw_input map;
struct stat st;
};
static inline struct tbnf_driver_ctx_impl * tbnf_get_driver_ictx(
const struct tbnf_driver_ctx * dctx)
{
uintptr_t addr;
if (dctx) {
addr = (uintptr_t)dctx - offsetof(struct tbnf_driver_ctx_impl,ctx);
return (struct tbnf_driver_ctx_impl *)addr;
}
return 0;
}
static inline struct tbnf_unit_ctx_impl * tbnf_get_unit_ictx(
const struct tbnf_unit_ctx * uctx)
{
struct tbnf_unit_ctx_impl * ictx;
uintptr_t addr;
addr = (uintptr_t)uctx - offsetof(struct tbnf_unit_ctx_impl,uctx);
ictx = (struct tbnf_unit_ctx_impl *)addr;
return ictx;
}
static inline void tbnf_driver_set_ectx(
const struct tbnf_driver_ctx * dctx,
const struct tbnf_unit_ctx * uctx,
const char * unit)
{
struct tbnf_driver_ctx_impl * ictx;
ictx = tbnf_get_driver_ictx(dctx);
ictx->euctx = uctx;
ictx->eunit = unit;
}
static inline int tbnf_driver_fdin(const struct tbnf_driver_ctx * dctx)
{
struct tbnf_fd_ctx fdctx;
tbnf_lib_get_driver_fdctx(dctx,&fdctx);
return fdctx.fdin;
}
static inline int tbnf_driver_fdout(const struct tbnf_driver_ctx * dctx)
{
struct tbnf_fd_ctx fdctx;
tbnf_lib_get_driver_fdctx(dctx,&fdctx);
return fdctx.fdout;
}
static inline int tbnf_driver_fderr(const struct tbnf_driver_ctx * dctx)
{
struct tbnf_fd_ctx fdctx;
tbnf_lib_get_driver_fdctx(dctx,&fdctx);
return fdctx.fderr;
}
static inline int tbnf_driver_fdlog(const struct tbnf_driver_ctx * dctx)
{
struct tbnf_fd_ctx fdctx;
tbnf_lib_get_driver_fdctx(dctx,&fdctx);
return fdctx.fdlog;
}
static inline int tbnf_driver_fdcwd(const struct tbnf_driver_ctx * dctx)
{
struct tbnf_fd_ctx fdctx;
tbnf_lib_get_driver_fdctx(dctx,&fdctx);
return fdctx.fdcwd;
}
static inline int tbnf_driver_fddst(const struct tbnf_driver_ctx * dctx)
{
struct tbnf_fd_ctx fdctx;
tbnf_lib_get_driver_fdctx(dctx,&fdctx);
return fdctx.fddst;
}
#endif
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