예제 #1
0
void
mux(mux_ctx_t ctx)
{
	/* init reader, we use prchunk here */
	ctx->rdr = init_prchunk(ctx->infd);
	/* main loop */
	while (fetch_lines(ctx)) {
		read_lines(ctx);
	}
	/* free prchunk resources */
	free_prchunk(ctx->rdr);
	return;
}
예제 #2
0
static void
proc_lines(const char *const *fmt, size_t nfmt, const char *ofmt, int quietp)
{
	size_t lno = 0;
	void *pctx;

	/* using the prchunk reader now */
	if ((pctx = init_prchunk(STDIN_FILENO)) == NULL) {
		serror("Error: could not open stdin");
		return;
	}
	while (prchunk_fill(pctx) >= 0) {
		for (char *line; prchunk_haslinep(pctx); lno++) {
			(void)prchunk_getline(pctx, &line);
			/* check if line matches */
			proc_line(line, fmt, nfmt, ofmt, quietp);
		}
	}
	/* get rid of resources */
	free_prchunk(pctx);
	return;
}
예제 #3
0
파일: dadd.c 프로젝트: androdev4u/dateutils
int
main(int argc, char *argv[])
{
	yuck_t argi[1U];
	struct dt_dt_s d;
	struct __strpdtdur_st_s st = __strpdtdur_st_initialiser();
	const char *ofmt;
	char **fmt;
	size_t nfmt;
	int rc = 0;
	bool dt_given_p = false;
	zif_t fromz = NULL;
	zif_t z = NULL;
	zif_t hackz = NULL;

	if (yuck_parse(argi, argc, argv)) {
		rc = 1;
		goto out;
	} else if (argi->nargs == 0) {
		error("Error: DATE or DURATION must be specified\n");
		yuck_auto_help(argi);
		rc = 1;
		goto out;
	}
	/* init and unescape sequences, maybe */
	ofmt = argi->format_arg;
	fmt = argi->input_format_args;
	nfmt = argi->input_format_nargs;
	if (argi->backslash_escapes_flag) {
		dt_io_unescape(argi->format_arg);
		for (size_t i = 0; i < nfmt; i++) {
			dt_io_unescape(fmt[i]);
		}
	}

	/* try and read the from and to time zones */
	if (argi->from_zone_arg) {
		fromz = dt_io_zone(argi->from_zone_arg);
	}
	if (argi->zone_arg) {
		z = dt_io_zone(argi->zone_arg);
	}
	if (argi->base_arg) {
		struct dt_dt_s base = dt_strpdt(argi->base_arg, NULL, NULL);
		dt_set_base(base);
	}

	/* sanity checks, decide whether we're a mass date adder
	 * or a mass duration adder, or both, a date and durations are
	 * present on the command line */
	with (const char *inp = argi->args[0U]) {
		/* date parsing needed postponing as we need to find out
		 * about the durations */
		if (!dt_unk_p(dt_io_strpdt(inp, fmt, nfmt, NULL))) {
			dt_given_p = true;
		}
	}

	/* check first arg, if it's a date the rest of the arguments are
	 * durations, if not, dates must be read from stdin */
	for (size_t i = dt_given_p; i < argi->nargs; i++) {
		const char *inp = argi->args[i];
		do {
			if (dt_io_strpdtdur(&st, inp) < 0) {
				serror("Error: \
cannot parse duration string `%s'", st.istr);
				rc = 1;
				goto dur_out;
			}
		} while (__strpdtdur_more_p(&st));
	}
	/* check if there's only d durations */
	hackz = durs_only_d_p(st.durs, st.ndurs) ? NULL : fromz;

	/* read the first argument again in light of a completely parsed
	 * duration sequence */
	if (dt_given_p) {
		const char *inp = argi->args[0U];
		if (dt_unk_p(d = dt_io_strpdt(inp, fmt, nfmt, hackz))) {
			error("\
Error: cannot interpret date/time string `%s'", inp);
			rc = 1;
			goto dur_out;
		}
	}

	/* start the actual work */
	if (dt_given_p && st.ndurs) {
		if (!dt_unk_p(d = dadd_add(d, st.durs, st.ndurs))) {
			if (UNLIKELY(d.fix) && !argi->quiet_flag) {
				rc = 2;
			}
			if (hackz == NULL && fromz != NULL) {
				/* fixup zone */
				d = dtz_forgetz(d, fromz);
			}
			dt_io_write(d, ofmt, z, '\n');
		} else {
			rc = 1;
		}

	} else if (st.ndurs) {
		/* read dates from stdin */
		struct grep_atom_s __nstk[16], *needle = __nstk;
		size_t nneedle = countof(__nstk);
		struct grep_atom_soa_s ndlsoa;
		struct mass_add_clo_s clo[1];
		void *pctx;

		/* no threads reading this stream */
		__io_setlocking_bycaller(stdout);

		/* lest we overflow the stack */
		if (nfmt >= nneedle) {
			/* round to the nearest 8-multiple */
			nneedle = (nfmt | 7) + 1;
			needle = calloc(nneedle, sizeof(*needle));
		}
		/* and now build the needle */
		ndlsoa = build_needle(needle, nneedle, fmt, nfmt);

		/* using the prchunk reader now */
		if ((pctx = init_prchunk(STDIN_FILENO)) == NULL) {
			serror("could not open stdin");
			goto ndl_free;
		}

		/* build the clo and then loop */
		clo->pctx = pctx;
		clo->gra = &ndlsoa;
		clo->st = st;
		clo->fromz = fromz;
		clo->hackz = hackz;
		clo->z = z;
		clo->ofmt = ofmt;
		clo->sed_mode_p = argi->sed_mode_flag;
		clo->quietp = argi->quiet_flag;
		while (prchunk_fill(pctx) >= 0) {
			rc |= mass_add_dur(clo);
		}
		/* get rid of resources */
		free_prchunk(pctx);
	ndl_free:
		if (needle != __nstk) {
			free(needle);
		}

	} else {
		/* mass-adding durations to reference date */
		struct mass_add_clo_s clo[1];
		void *pctx;

		/* no threads reading this stream */
		__io_setlocking_bycaller(stdout);

		/* using the prchunk reader now */
		if ((pctx = init_prchunk(STDIN_FILENO)) == NULL) {
			serror("could not open stdin");
			goto dur_out;
		}

		/* build the clo and then loop */
		clo->pctx = pctx;
		clo->rd = d;
		clo->fromz = fromz;
		clo->hackz = hackz;
		clo->z = z;
		clo->ofmt = ofmt;
		clo->sed_mode_p = argi->sed_mode_flag;
		clo->quietp = argi->quiet_flag;
		while (prchunk_fill(pctx) >= 0) {
			rc |= mass_add_d(clo);
		}
		/* get rid of resources */
		free_prchunk(pctx);
	}
dur_out:
	/* free the strpdur status */
	__strpdtdur_free(&st);

	dt_io_clear_zones();

out:
	yuck_free(argi);
	return rc;
}
예제 #4
0
파일: dconv.c 프로젝트: vicgc/dateutils
int
main(int argc, char *argv[])
{
	struct gengetopt_args_info argi[1];
	const char *ofmt;
	char **fmt;
	size_t nfmt;
	int res = 0;
	zif_t fromz = NULL;
	zif_t z = NULL;

	if (cmdline_parser(argc, argv, argi)) {
		res = 1;
		goto out;
	}
	/* init and unescape sequences, maybe */
	ofmt = argi->format_arg;
	fmt = argi->input_format_arg;
	nfmt = argi->input_format_given;
	if (argi->backslash_escapes_given) {
		dt_io_unescape(argi->format_arg);
		for (size_t i = 0; i < nfmt; i++) {
			dt_io_unescape(fmt[i]);
		}
	}

	/* try and read the from and to time zones */
	if (argi->from_zone_given) {
		fromz = zif_open(argi->from_zone_arg);
	}
	if (argi->zone_given) {
		z = zif_open(argi->zone_arg);
	}
	if (argi->default_given) {
		struct dt_dt_s dflt = dt_strpdt(argi->default_arg, NULL, NULL);
		dt_set_default(dflt);
	}

	if (argi->inputs_num) {
		for (size_t i = 0; i < argi->inputs_num; i++) {
			const char *inp = argi->inputs[i];
			struct dt_dt_s d = dt_io_strpdt(inp, fmt, nfmt, fromz);

			if (!dt_unk_p(d)) {
				dt_io_write(d, ofmt, z, '\n');
			} else if (!argi->quiet_given) {
				dt_io_warn_strpdt(inp);
			}
		}
	} else {
		/* read from stdin */
		size_t lno = 0;
		struct grep_atom_s __nstk[16], *needle = __nstk;
		size_t nneedle = countof(__nstk);
		struct grep_atom_soa_s ndlsoa;
		void *pctx;
		struct prln_ctx_s prln = {
			.ndl = &ndlsoa,
			.ofmt = ofmt,
			.fromz = fromz,
			.outz = z,
			.sed_mode_p = argi->sed_mode_given,
			.quietp = argi->quiet_given,
		};

		/* no threads reading this stream */
		__io_setlocking_bycaller(stdout);

		/* lest we overflow the stack */
		if (nfmt >= nneedle) {
			/* round to the nearest 8-multiple */
			nneedle = (nfmt | 7) + 1;
			needle = calloc(nneedle, sizeof(*needle));
		}
		/* and now build the needles */
		ndlsoa = build_needle(needle, nneedle, fmt, nfmt);

		/* using the prchunk reader now */
		if ((pctx = init_prchunk(STDIN_FILENO)) == NULL) {
			error(errno, "Error: could not open stdin");
			goto ndl_free;
		}
		while (prchunk_fill(pctx) >= 0) {
			for (char *line; prchunk_haslinep(pctx); lno++) {
				size_t llen = prchunk_getline(pctx, &line);

				proc_line(prln, line, llen);
			}
		}
		/* get rid of resources */
		free_prchunk(pctx);
	ndl_free:
		if (needle != __nstk) {
			free(needle);
		}
	}

	if (argi->from_zone_given) {
		zif_close(fromz);
	}
	if (argi->zone_given) {
		zif_close(z);
	}

out:
	cmdline_parser_free(argi);
	return res;
}