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/**************************************************************/
/* treebnf: a tree oriented bnf library */
/* Copyright (C) 2024 SysDeer Technologies, LLC */
/* Released under GPLv2 and GPLv3; see COPYING.TREEBNF. */
/**************************************************************/
#include <stdio.h>
#include <unistd.h>
#include <treebnf/treebnf.h>
#include "treebnf_driver_impl.h"
#include "treebnf_dprintf_impl.h"
#ifndef TBNF_DRIVER_FLAGS
#define TBNF_DRIVER_FLAGS TBNF_DRIVER_VERBOSITY_ERRORS \
| TBNF_DRIVER_VERBOSITY_USAGE
#endif
static const char vermsg[] = "%s%s%s (https://git.foss21.org/tulips/treebnf): "
"version %s%d.%d.%d%s.\n"
"[commit reference: %s%s%s]\n";
static const char * const tbnf_ver_color[6] = {
"\x1b[1m\x1b[35m","\x1b[0m",
"\x1b[1m\x1b[32m","\x1b[0m",
"\x1b[1m\x1b[34m","\x1b[0m"
};
static const char * const tbnf_ver_plain[6] = {
"","",
"","",
"",""
};
static ssize_t tbnf_version(struct tbnf_driver_ctx * dctx, int fdout)
{
const struct tbnf_source_version * verinfo;
const char * const * verclr;
verinfo = tbnf_api_source_version();
verclr = isatty(fdout) ? tbnf_ver_color : tbnf_ver_plain;
return tbnf_dprintf(
fdout,vermsg,
verclr[0],dctx->program,verclr[1],
verclr[2],verinfo->major,verinfo->minor,
verinfo->revision,verclr[3],
verclr[4],verinfo->commit,verclr[5]);
}
static void tbnf_perform_unit_actions(
const struct tbnf_driver_ctx * dctx,
struct tbnf_unit_ctx * uctx)
{
uint64_t flags = dctx->cctx->fmtflags;
(void)dctx;
(void)uctx;
(void)flags;
}
static int tbnf_exit(struct tbnf_driver_ctx * dctx, int ret)
{
tbnf_output_error_vector(dctx);
tbnf_lib_free_driver_ctx(dctx);
return ret;
}
int tbnf_main(char ** argv, char ** envp, const struct tbnf_fd_ctx * fdctx)
{
int ret;
int fdout;
uint64_t flags;
struct tbnf_driver_ctx * dctx;
struct tbnf_unit_ctx * uctx;
const char ** unit;
flags = TBNF_DRIVER_FLAGS;
fdout = fdctx ? fdctx->fdout : STDOUT_FILENO;
if ((ret = tbnf_lib_get_driver_ctx(argv,envp,flags,fdctx,&dctx)))
return (ret == TBNF_USAGE)
? !argv || !argv[0] || !argv[1]
: TBNF_ERROR;
if (dctx->cctx->drvflags & TBNF_DRIVER_VERSION)
if ((tbnf_version(dctx,fdout)) < 0)
return tbnf_exit(dctx,TBNF_ERROR);
for (unit=dctx->units; *unit; unit++) {
if (!(tbnf_lib_get_unit_ctx(dctx,*unit,&uctx))) {
tbnf_perform_unit_actions(dctx,uctx);
tbnf_lib_free_unit_ctx(uctx);
}
}
return tbnf_exit(dctx,dctx->errv[0] ? TBNF_ERROR : TBNF_OK);
}
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