696 lines
16 KiB
C
696 lines
16 KiB
C
/* $Id: mdoc_argv.c,v 1.89 2013/12/25 00:50:05 schwarze Exp $ */
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/*
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* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
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* Copyright (c) 2012 Ingo Schwarze <schwarze@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <sys/types.h>
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#include <assert.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include "mdoc.h"
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#include "mandoc.h"
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#include "libmdoc.h"
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#include "libmandoc.h"
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#define MULTI_STEP 5 /* pre-allocate argument values */
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#define DELIMSZ 6 /* max possible size of a delimiter */
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enum argsflag {
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ARGSFL_NONE = 0,
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ARGSFL_DELIM, /* handle delimiters of [[::delim::][ ]+]+ */
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ARGSFL_TABSEP /* handle tab/`Ta' separated phrases */
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};
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enum argvflag {
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ARGV_NONE, /* no args to flag (e.g., -split) */
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ARGV_SINGLE, /* one arg to flag (e.g., -file xxx) */
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ARGV_MULTI /* multiple args (e.g., -column xxx yyy) */
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};
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struct mdocarg {
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enum argsflag flags;
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const enum mdocargt *argvs;
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};
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static void argn_free(struct mdoc_arg *, int);
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static enum margserr args(struct mdoc *, int, int *,
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char *, enum argsflag, char **);
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static int args_checkpunct(const char *, int);
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static int argv_multi(struct mdoc *, int,
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struct mdoc_argv *, int *, char *);
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static int argv_single(struct mdoc *, int,
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struct mdoc_argv *, int *, char *);
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static const enum argvflag argvflags[MDOC_ARG_MAX] = {
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ARGV_NONE, /* MDOC_Split */
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ARGV_NONE, /* MDOC_Nosplit */
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ARGV_NONE, /* MDOC_Ragged */
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ARGV_NONE, /* MDOC_Unfilled */
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ARGV_NONE, /* MDOC_Literal */
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ARGV_SINGLE, /* MDOC_File */
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ARGV_SINGLE, /* MDOC_Offset */
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ARGV_NONE, /* MDOC_Bullet */
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ARGV_NONE, /* MDOC_Dash */
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ARGV_NONE, /* MDOC_Hyphen */
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ARGV_NONE, /* MDOC_Item */
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ARGV_NONE, /* MDOC_Enum */
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ARGV_NONE, /* MDOC_Tag */
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ARGV_NONE, /* MDOC_Diag */
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ARGV_NONE, /* MDOC_Hang */
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ARGV_NONE, /* MDOC_Ohang */
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ARGV_NONE, /* MDOC_Inset */
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ARGV_MULTI, /* MDOC_Column */
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ARGV_SINGLE, /* MDOC_Width */
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ARGV_NONE, /* MDOC_Compact */
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ARGV_NONE, /* MDOC_Std */
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ARGV_NONE, /* MDOC_Filled */
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ARGV_NONE, /* MDOC_Words */
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ARGV_NONE, /* MDOC_Emphasis */
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ARGV_NONE, /* MDOC_Symbolic */
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ARGV_NONE /* MDOC_Symbolic */
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};
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static const enum mdocargt args_Ex[] = {
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MDOC_Std,
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MDOC_ARG_MAX
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};
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static const enum mdocargt args_An[] = {
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MDOC_Split,
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MDOC_Nosplit,
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MDOC_ARG_MAX
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};
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static const enum mdocargt args_Bd[] = {
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MDOC_Ragged,
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MDOC_Unfilled,
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MDOC_Filled,
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MDOC_Literal,
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MDOC_File,
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MDOC_Offset,
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MDOC_Compact,
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MDOC_Centred,
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MDOC_ARG_MAX
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};
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static const enum mdocargt args_Bf[] = {
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MDOC_Emphasis,
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MDOC_Literal,
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MDOC_Symbolic,
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MDOC_ARG_MAX
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};
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static const enum mdocargt args_Bk[] = {
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MDOC_Words,
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MDOC_ARG_MAX
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};
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static const enum mdocargt args_Bl[] = {
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MDOC_Bullet,
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MDOC_Dash,
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MDOC_Hyphen,
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MDOC_Item,
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MDOC_Enum,
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MDOC_Tag,
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MDOC_Diag,
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MDOC_Hang,
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MDOC_Ohang,
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MDOC_Inset,
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MDOC_Column,
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MDOC_Width,
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MDOC_Offset,
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MDOC_Compact,
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MDOC_Nested,
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MDOC_ARG_MAX
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};
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static const struct mdocarg mdocargs[MDOC_MAX] = {
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{ ARGSFL_DELIM, NULL }, /* Ap */
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{ ARGSFL_NONE, NULL }, /* Dd */
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{ ARGSFL_NONE, NULL }, /* Dt */
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{ ARGSFL_NONE, NULL }, /* Os */
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{ ARGSFL_NONE, NULL }, /* Sh */
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{ ARGSFL_NONE, NULL }, /* Ss */
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{ ARGSFL_NONE, NULL }, /* Pp */
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{ ARGSFL_DELIM, NULL }, /* D1 */
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{ ARGSFL_DELIM, NULL }, /* Dl */
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{ ARGSFL_NONE, args_Bd }, /* Bd */
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{ ARGSFL_NONE, NULL }, /* Ed */
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{ ARGSFL_NONE, args_Bl }, /* Bl */
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{ ARGSFL_NONE, NULL }, /* El */
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{ ARGSFL_NONE, NULL }, /* It */
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{ ARGSFL_DELIM, NULL }, /* Ad */
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{ ARGSFL_DELIM, args_An }, /* An */
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{ ARGSFL_DELIM, NULL }, /* Ar */
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{ ARGSFL_DELIM, NULL }, /* Cd */
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{ ARGSFL_DELIM, NULL }, /* Cm */
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{ ARGSFL_DELIM, NULL }, /* Dv */
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{ ARGSFL_DELIM, NULL }, /* Er */
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{ ARGSFL_DELIM, NULL }, /* Ev */
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{ ARGSFL_NONE, args_Ex }, /* Ex */
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{ ARGSFL_DELIM, NULL }, /* Fa */
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{ ARGSFL_NONE, NULL }, /* Fd */
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{ ARGSFL_DELIM, NULL }, /* Fl */
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{ ARGSFL_DELIM, NULL }, /* Fn */
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{ ARGSFL_DELIM, NULL }, /* Ft */
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{ ARGSFL_DELIM, NULL }, /* Ic */
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{ ARGSFL_DELIM, NULL }, /* In */
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{ ARGSFL_DELIM, NULL }, /* Li */
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{ ARGSFL_NONE, NULL }, /* Nd */
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{ ARGSFL_DELIM, NULL }, /* Nm */
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{ ARGSFL_DELIM, NULL }, /* Op */
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{ ARGSFL_NONE, NULL }, /* Ot */
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{ ARGSFL_DELIM, NULL }, /* Pa */
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{ ARGSFL_NONE, args_Ex }, /* Rv */
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{ ARGSFL_DELIM, NULL }, /* St */
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{ ARGSFL_DELIM, NULL }, /* Va */
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{ ARGSFL_DELIM, NULL }, /* Vt */
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{ ARGSFL_DELIM, NULL }, /* Xr */
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{ ARGSFL_NONE, NULL }, /* %A */
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{ ARGSFL_NONE, NULL }, /* %B */
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{ ARGSFL_NONE, NULL }, /* %D */
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{ ARGSFL_NONE, NULL }, /* %I */
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{ ARGSFL_NONE, NULL }, /* %J */
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{ ARGSFL_NONE, NULL }, /* %N */
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{ ARGSFL_NONE, NULL }, /* %O */
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{ ARGSFL_NONE, NULL }, /* %P */
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{ ARGSFL_NONE, NULL }, /* %R */
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{ ARGSFL_NONE, NULL }, /* %T */
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{ ARGSFL_NONE, NULL }, /* %V */
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{ ARGSFL_DELIM, NULL }, /* Ac */
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{ ARGSFL_NONE, NULL }, /* Ao */
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{ ARGSFL_DELIM, NULL }, /* Aq */
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{ ARGSFL_DELIM, NULL }, /* At */
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{ ARGSFL_DELIM, NULL }, /* Bc */
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{ ARGSFL_NONE, args_Bf }, /* Bf */
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{ ARGSFL_NONE, NULL }, /* Bo */
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{ ARGSFL_DELIM, NULL }, /* Bq */
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{ ARGSFL_DELIM, NULL }, /* Bsx */
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{ ARGSFL_DELIM, NULL }, /* Bx */
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{ ARGSFL_NONE, NULL }, /* Db */
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{ ARGSFL_DELIM, NULL }, /* Dc */
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{ ARGSFL_NONE, NULL }, /* Do */
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{ ARGSFL_DELIM, NULL }, /* Dq */
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{ ARGSFL_DELIM, NULL }, /* Ec */
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{ ARGSFL_NONE, NULL }, /* Ef */
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{ ARGSFL_DELIM, NULL }, /* Em */
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{ ARGSFL_NONE, NULL }, /* Eo */
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{ ARGSFL_DELIM, NULL }, /* Fx */
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{ ARGSFL_DELIM, NULL }, /* Ms */
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{ ARGSFL_DELIM, NULL }, /* No */
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{ ARGSFL_DELIM, NULL }, /* Ns */
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{ ARGSFL_DELIM, NULL }, /* Nx */
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{ ARGSFL_DELIM, NULL }, /* Ox */
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{ ARGSFL_DELIM, NULL }, /* Pc */
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{ ARGSFL_DELIM, NULL }, /* Pf */
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{ ARGSFL_NONE, NULL }, /* Po */
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{ ARGSFL_DELIM, NULL }, /* Pq */
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{ ARGSFL_DELIM, NULL }, /* Qc */
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{ ARGSFL_DELIM, NULL }, /* Ql */
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{ ARGSFL_NONE, NULL }, /* Qo */
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{ ARGSFL_DELIM, NULL }, /* Qq */
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{ ARGSFL_NONE, NULL }, /* Re */
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{ ARGSFL_NONE, NULL }, /* Rs */
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{ ARGSFL_DELIM, NULL }, /* Sc */
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{ ARGSFL_NONE, NULL }, /* So */
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{ ARGSFL_DELIM, NULL }, /* Sq */
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{ ARGSFL_NONE, NULL }, /* Sm */
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{ ARGSFL_DELIM, NULL }, /* Sx */
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{ ARGSFL_DELIM, NULL }, /* Sy */
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{ ARGSFL_DELIM, NULL }, /* Tn */
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{ ARGSFL_DELIM, NULL }, /* Ux */
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{ ARGSFL_DELIM, NULL }, /* Xc */
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{ ARGSFL_NONE, NULL }, /* Xo */
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{ ARGSFL_NONE, NULL }, /* Fo */
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{ ARGSFL_DELIM, NULL }, /* Fc */
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{ ARGSFL_NONE, NULL }, /* Oo */
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{ ARGSFL_DELIM, NULL }, /* Oc */
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{ ARGSFL_NONE, args_Bk }, /* Bk */
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{ ARGSFL_NONE, NULL }, /* Ek */
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{ ARGSFL_NONE, NULL }, /* Bt */
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{ ARGSFL_NONE, NULL }, /* Hf */
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{ ARGSFL_NONE, NULL }, /* Fr */
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{ ARGSFL_NONE, NULL }, /* Ud */
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{ ARGSFL_DELIM, NULL }, /* Lb */
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{ ARGSFL_NONE, NULL }, /* Lp */
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{ ARGSFL_DELIM, NULL }, /* Lk */
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{ ARGSFL_DELIM, NULL }, /* Mt */
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{ ARGSFL_DELIM, NULL }, /* Brq */
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{ ARGSFL_NONE, NULL }, /* Bro */
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{ ARGSFL_DELIM, NULL }, /* Brc */
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{ ARGSFL_NONE, NULL }, /* %C */
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{ ARGSFL_NONE, NULL }, /* Es */
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{ ARGSFL_NONE, NULL }, /* En */
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{ ARGSFL_DELIM, NULL }, /* Dx */
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{ ARGSFL_NONE, NULL }, /* %Q */
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{ ARGSFL_NONE, NULL }, /* br */
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{ ARGSFL_NONE, NULL }, /* sp */
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{ ARGSFL_NONE, NULL }, /* %U */
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{ ARGSFL_NONE, NULL }, /* Ta */
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};
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/*
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* Parse an argument from line text. This comes in the form of -key
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* [value0...], which may either have a single mandatory value, at least
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* one mandatory value, an optional single value, or no value.
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*/
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enum margverr
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mdoc_argv(struct mdoc *mdoc, int line, enum mdoct tok,
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struct mdoc_arg **v, int *pos, char *buf)
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{
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char *p, sv;
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struct mdoc_argv tmp;
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struct mdoc_arg *arg;
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const enum mdocargt *ap;
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if ('\0' == buf[*pos])
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return(ARGV_EOLN);
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else if (NULL == (ap = mdocargs[tok].argvs))
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return(ARGV_WORD);
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else if ('-' != buf[*pos])
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return(ARGV_WORD);
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/* Seek to the first unescaped space. */
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p = &buf[++(*pos)];
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assert(*pos > 0);
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for ( ; buf[*pos] ; (*pos)++)
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if (' ' == buf[*pos] && '\\' != buf[*pos - 1])
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break;
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/*
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* We want to nil-terminate the word to look it up (it's easier
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* that way). But we may not have a flag, in which case we need
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* to restore the line as-is. So keep around the stray byte,
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* which we'll reset upon exiting (if necessary).
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*/
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if ('\0' != (sv = buf[*pos]))
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buf[(*pos)++] = '\0';
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/*
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* Now look up the word as a flag. Use temporary storage that
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* we'll copy into the node's flags, if necessary.
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*/
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memset(&tmp, 0, sizeof(struct mdoc_argv));
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tmp.line = line;
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tmp.pos = *pos;
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tmp.arg = MDOC_ARG_MAX;
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while (MDOC_ARG_MAX != (tmp.arg = *ap++))
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if (0 == strcmp(p, mdoc_argnames[tmp.arg]))
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break;
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if (MDOC_ARG_MAX == tmp.arg) {
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/*
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* The flag was not found.
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* Restore saved zeroed byte and return as a word.
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*/
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if (sv)
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buf[*pos - 1] = sv;
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return(ARGV_WORD);
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}
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/* Read to the next word (the argument). */
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while (buf[*pos] && ' ' == buf[*pos])
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(*pos)++;
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switch (argvflags[tmp.arg]) {
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case (ARGV_SINGLE):
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if ( ! argv_single(mdoc, line, &tmp, pos, buf))
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return(ARGV_ERROR);
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break;
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case (ARGV_MULTI):
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if ( ! argv_multi(mdoc, line, &tmp, pos, buf))
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return(ARGV_ERROR);
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break;
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case (ARGV_NONE):
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break;
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}
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if (NULL == (arg = *v))
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arg = *v = mandoc_calloc(1, sizeof(struct mdoc_arg));
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arg->argc++;
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arg->argv = mandoc_realloc
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(arg->argv, arg->argc * sizeof(struct mdoc_argv));
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memcpy(&arg->argv[(int)arg->argc - 1],
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&tmp, sizeof(struct mdoc_argv));
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return(ARGV_ARG);
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}
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void
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mdoc_argv_free(struct mdoc_arg *p)
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{
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int i;
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if (NULL == p)
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return;
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if (p->refcnt) {
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--(p->refcnt);
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if (p->refcnt)
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return;
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}
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assert(p->argc);
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for (i = (int)p->argc - 1; i >= 0; i--)
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argn_free(p, i);
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free(p->argv);
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free(p);
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}
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static void
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argn_free(struct mdoc_arg *p, int iarg)
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{
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struct mdoc_argv *arg;
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int j;
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arg = &p->argv[iarg];
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if (arg->sz && arg->value) {
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for (j = (int)arg->sz - 1; j >= 0; j--)
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free(arg->value[j]);
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free(arg->value);
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}
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for (--p->argc; iarg < (int)p->argc; iarg++)
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p->argv[iarg] = p->argv[iarg+1];
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}
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enum margserr
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mdoc_zargs(struct mdoc *mdoc, int line, int *pos, char *buf, char **v)
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{
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return(args(mdoc, line, pos, buf, ARGSFL_NONE, v));
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}
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enum margserr
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mdoc_args(struct mdoc *mdoc, int line, int *pos,
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char *buf, enum mdoct tok, char **v)
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{
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enum argsflag fl;
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struct mdoc_node *n;
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fl = mdocargs[tok].flags;
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if (MDOC_It != tok)
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return(args(mdoc, line, pos, buf, fl, v));
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/*
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* We know that we're in an `It', so it's reasonable to expect
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* us to be sitting in a `Bl'. Someday this may not be the case
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* (if we allow random `It's sitting out there), so provide a
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* safe fall-back into the default behaviour.
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*/
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for (n = mdoc->last; n; n = n->parent)
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if (MDOC_Bl == n->tok)
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if (LIST_column == n->norm->Bl.type) {
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fl = ARGSFL_TABSEP;
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break;
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}
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return(args(mdoc, line, pos, buf, fl, v));
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}
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static enum margserr
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args(struct mdoc *mdoc, int line, int *pos,
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char *buf, enum argsflag fl, char **v)
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{
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char *p, *pp;
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int pairs;
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enum margserr rc;
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if ('\0' == buf[*pos]) {
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if (MDOC_PPHRASE & mdoc->flags)
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return(ARGS_EOLN);
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/*
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* If we're not in a partial phrase and the flag for
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* being a phrase literal is still set, the punctuation
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* is unterminated.
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*/
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if (MDOC_PHRASELIT & mdoc->flags)
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mdoc_pmsg(mdoc, line, *pos, MANDOCERR_BADQUOTE);
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mdoc->flags &= ~MDOC_PHRASELIT;
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return(ARGS_EOLN);
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}
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*v = &buf[*pos];
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if (ARGSFL_DELIM == fl)
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if (args_checkpunct(buf, *pos))
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return(ARGS_PUNCT);
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/*
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* First handle TABSEP items, restricted to `Bl -column'. This
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* ignores conventional token parsing and instead uses tabs or
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* `Ta' macros to separate phrases. Phrases are parsed again
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* for arguments at a later phase.
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*/
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if (ARGSFL_TABSEP == fl) {
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/* Scan ahead to tab (can't be escaped). */
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p = strchr(*v, '\t');
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pp = NULL;
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/* Scan ahead to unescaped `Ta'. */
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if ( ! (MDOC_PHRASELIT & mdoc->flags))
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for (pp = *v; ; pp++) {
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|
if (NULL == (pp = strstr(pp, "Ta")))
|
|
break;
|
|
if (pp > *v && ' ' != *(pp - 1))
|
|
continue;
|
|
if (' ' == *(pp + 2) || '\0' == *(pp + 2))
|
|
break;
|
|
}
|
|
|
|
/* By default, assume a phrase. */
|
|
rc = ARGS_PHRASE;
|
|
|
|
/*
|
|
* Adjust new-buffer position to be beyond delimiter
|
|
* mark (e.g., Ta -> end + 2).
|
|
*/
|
|
if (p && pp) {
|
|
*pos += pp < p ? 2 : 1;
|
|
rc = pp < p ? ARGS_PHRASE : ARGS_PPHRASE;
|
|
p = pp < p ? pp : p;
|
|
} else if (p && ! pp) {
|
|
rc = ARGS_PPHRASE;
|
|
*pos += 1;
|
|
} else if (pp && ! p) {
|
|
p = pp;
|
|
*pos += 2;
|
|
} else {
|
|
rc = ARGS_PEND;
|
|
p = strchr(*v, 0);
|
|
}
|
|
|
|
/* Whitespace check for eoln case... */
|
|
if ('\0' == *p && ' ' == *(p - 1))
|
|
mdoc_pmsg(mdoc, line, *pos, MANDOCERR_EOLNSPACE);
|
|
|
|
*pos += (int)(p - *v);
|
|
|
|
/* Strip delimiter's preceding whitespace. */
|
|
pp = p - 1;
|
|
while (pp > *v && ' ' == *pp) {
|
|
if (pp > *v && '\\' == *(pp - 1))
|
|
break;
|
|
pp--;
|
|
}
|
|
*(pp + 1) = 0;
|
|
|
|
/* Strip delimiter's proceeding whitespace. */
|
|
for (pp = &buf[*pos]; ' ' == *pp; pp++, (*pos)++)
|
|
/* Skip ahead. */ ;
|
|
|
|
return(rc);
|
|
}
|
|
|
|
/*
|
|
* Process a quoted literal. A quote begins with a double-quote
|
|
* and ends with a double-quote NOT preceded by a double-quote.
|
|
* NUL-terminate the literal in place.
|
|
* Collapse pairs of quotes inside quoted literals.
|
|
* Whitespace is NOT involved in literal termination.
|
|
*/
|
|
|
|
if (MDOC_PHRASELIT & mdoc->flags || '\"' == buf[*pos]) {
|
|
if ( ! (MDOC_PHRASELIT & mdoc->flags))
|
|
*v = &buf[++(*pos)];
|
|
|
|
if (MDOC_PPHRASE & mdoc->flags)
|
|
mdoc->flags |= MDOC_PHRASELIT;
|
|
|
|
pairs = 0;
|
|
for ( ; buf[*pos]; (*pos)++) {
|
|
/* Move following text left after quoted quotes. */
|
|
if (pairs)
|
|
buf[*pos - pairs] = buf[*pos];
|
|
if ('\"' != buf[*pos])
|
|
continue;
|
|
/* Unquoted quotes end quoted args. */
|
|
if ('\"' != buf[*pos + 1])
|
|
break;
|
|
/* Quoted quotes collapse. */
|
|
pairs++;
|
|
(*pos)++;
|
|
}
|
|
if (pairs)
|
|
buf[*pos - pairs] = '\0';
|
|
|
|
if ('\0' == buf[*pos]) {
|
|
if (MDOC_PPHRASE & mdoc->flags)
|
|
return(ARGS_QWORD);
|
|
mdoc_pmsg(mdoc, line, *pos, MANDOCERR_BADQUOTE);
|
|
return(ARGS_QWORD);
|
|
}
|
|
|
|
mdoc->flags &= ~MDOC_PHRASELIT;
|
|
buf[(*pos)++] = '\0';
|
|
|
|
if ('\0' == buf[*pos])
|
|
return(ARGS_QWORD);
|
|
|
|
while (' ' == buf[*pos])
|
|
(*pos)++;
|
|
|
|
if ('\0' == buf[*pos])
|
|
mdoc_pmsg(mdoc, line, *pos, MANDOCERR_EOLNSPACE);
|
|
|
|
return(ARGS_QWORD);
|
|
}
|
|
|
|
p = &buf[*pos];
|
|
*v = mandoc_getarg(mdoc->parse, &p, line, pos);
|
|
|
|
return(ARGS_WORD);
|
|
}
|
|
|
|
/*
|
|
* Check if the string consists only of space-separated closing
|
|
* delimiters. This is a bit of a dance: the first must be a close
|
|
* delimiter, but it may be followed by middle delimiters. Arbitrary
|
|
* whitespace may separate these tokens.
|
|
*/
|
|
static int
|
|
args_checkpunct(const char *buf, int i)
|
|
{
|
|
int j;
|
|
char dbuf[DELIMSZ];
|
|
enum mdelim d;
|
|
|
|
/* First token must be a close-delimiter. */
|
|
|
|
for (j = 0; buf[i] && ' ' != buf[i] && j < DELIMSZ; j++, i++)
|
|
dbuf[j] = buf[i];
|
|
|
|
if (DELIMSZ == j)
|
|
return(0);
|
|
|
|
dbuf[j] = '\0';
|
|
if (DELIM_CLOSE != mdoc_isdelim(dbuf))
|
|
return(0);
|
|
|
|
while (' ' == buf[i])
|
|
i++;
|
|
|
|
/* Remaining must NOT be open/none. */
|
|
|
|
while (buf[i]) {
|
|
j = 0;
|
|
while (buf[i] && ' ' != buf[i] && j < DELIMSZ)
|
|
dbuf[j++] = buf[i++];
|
|
|
|
if (DELIMSZ == j)
|
|
return(0);
|
|
|
|
dbuf[j] = '\0';
|
|
d = mdoc_isdelim(dbuf);
|
|
if (DELIM_NONE == d || DELIM_OPEN == d)
|
|
return(0);
|
|
|
|
while (' ' == buf[i])
|
|
i++;
|
|
}
|
|
|
|
return('\0' == buf[i]);
|
|
}
|
|
|
|
static int
|
|
argv_multi(struct mdoc *mdoc, int line,
|
|
struct mdoc_argv *v, int *pos, char *buf)
|
|
{
|
|
enum margserr ac;
|
|
char *p;
|
|
|
|
for (v->sz = 0; ; v->sz++) {
|
|
if ('-' == buf[*pos])
|
|
break;
|
|
ac = args(mdoc, line, pos, buf, ARGSFL_NONE, &p);
|
|
if (ARGS_ERROR == ac)
|
|
return(0);
|
|
else if (ARGS_EOLN == ac)
|
|
break;
|
|
|
|
if (0 == v->sz % MULTI_STEP)
|
|
v->value = mandoc_realloc(v->value,
|
|
(v->sz + MULTI_STEP) * sizeof(char *));
|
|
|
|
v->value[(int)v->sz] = mandoc_strdup(p);
|
|
}
|
|
|
|
return(1);
|
|
}
|
|
|
|
static int
|
|
argv_single(struct mdoc *mdoc, int line,
|
|
struct mdoc_argv *v, int *pos, char *buf)
|
|
{
|
|
enum margserr ac;
|
|
char *p;
|
|
|
|
ac = args(mdoc, line, pos, buf, ARGSFL_NONE, &p);
|
|
if (ARGS_ERROR == ac)
|
|
return(0);
|
|
if (ARGS_EOLN == ac)
|
|
return(1);
|
|
|
|
v->sz = 1;
|
|
v->value = mandoc_malloc(sizeof(char *));
|
|
v->value[0] = mandoc_strdup(p);
|
|
|
|
return(1);
|
|
}
|