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