790 lines
17 KiB
C
790 lines
17 KiB
C
/* $Id: mdoc_argv.c,v 1.54 2010/06/19 20:46:28 kristaps Exp $ */
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/*
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* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@bsd.lv>
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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 <ctype.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 "mandoc.h"
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#include "libmdoc.h"
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#include "libmandoc.h"
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/*
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* Routines to parse arguments of macros. Arguments follow the syntax
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* of `-arg [val [valN...]]'. Arguments come in all types: quoted
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* arguments, multiple arguments per value, no-value arguments, etc.
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*
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* There's no limit to the number or arguments that may be allocated.
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*/
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#define ARGV_NONE (1 << 0)
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#define ARGV_SINGLE (1 << 1)
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#define ARGV_MULTI (1 << 2)
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#define ARGV_OPT_SINGLE (1 << 3)
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#define MULTI_STEP 5
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static int argv_a2arg(enum mdoct, const char *);
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static enum margserr args(struct mdoc *, int, int *,
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char *, int, char **);
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static int argv(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 int argv_opt_single(struct mdoc *, int,
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struct mdoc_argv *, int *, char *);
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static int argv_multi(struct mdoc *, int,
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struct mdoc_argv *, int *, char *);
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/* Per-argument flags. */
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static int mdoc_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_OPT_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 int mdoc_argflags[MDOC_MAX] = {
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0, /* Ap */
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0, /* Dd */
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0, /* Dt */
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0, /* Os */
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0, /* Sh */
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0, /* Ss */
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ARGS_DELIM, /* Pp */
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ARGS_DELIM, /* D1 */
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ARGS_DELIM, /* Dl */
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0, /* Bd */
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0, /* Ed */
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0, /* Bl */
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0, /* El */
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0, /* It */
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ARGS_DELIM, /* Ad */
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ARGS_DELIM, /* An */
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ARGS_DELIM, /* Ar */
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0, /* Cd */
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ARGS_DELIM, /* Cm */
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ARGS_DELIM, /* Dv */
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ARGS_DELIM, /* Er */
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ARGS_DELIM, /* Ev */
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0, /* Ex */
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ARGS_DELIM, /* Fa */
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0, /* Fd */
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ARGS_DELIM, /* Fl */
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ARGS_DELIM, /* Fn */
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ARGS_DELIM, /* Ft */
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ARGS_DELIM, /* Ic */
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0, /* In */
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ARGS_DELIM, /* Li */
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0, /* Nd */
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ARGS_DELIM, /* Nm */
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ARGS_DELIM, /* Op */
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0, /* Ot */
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ARGS_DELIM, /* Pa */
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0, /* Rv */
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ARGS_DELIM, /* St */
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ARGS_DELIM, /* Va */
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ARGS_DELIM, /* Vt */
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ARGS_DELIM, /* Xr */
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0, /* %A */
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0, /* %B */
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0, /* %D */
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0, /* %I */
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0, /* %J */
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0, /* %N */
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0, /* %O */
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0, /* %P */
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0, /* %R */
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0, /* %T */
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0, /* %V */
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ARGS_DELIM, /* Ac */
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0, /* Ao */
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ARGS_DELIM, /* Aq */
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ARGS_DELIM, /* At */
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ARGS_DELIM, /* Bc */
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0, /* Bf */
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0, /* Bo */
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ARGS_DELIM, /* Bq */
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ARGS_DELIM, /* Bsx */
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ARGS_DELIM, /* Bx */
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0, /* Db */
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ARGS_DELIM, /* Dc */
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0, /* Do */
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ARGS_DELIM, /* Dq */
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ARGS_DELIM, /* Ec */
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0, /* Ef */
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ARGS_DELIM, /* Em */
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0, /* Eo */
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ARGS_DELIM, /* Fx */
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ARGS_DELIM, /* Ms */
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ARGS_DELIM, /* No */
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ARGS_DELIM, /* Ns */
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ARGS_DELIM, /* Nx */
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ARGS_DELIM, /* Ox */
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ARGS_DELIM, /* Pc */
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ARGS_DELIM, /* Pf */
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0, /* Po */
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ARGS_DELIM, /* Pq */
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ARGS_DELIM, /* Qc */
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ARGS_DELIM, /* Ql */
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0, /* Qo */
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ARGS_DELIM, /* Qq */
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0, /* Re */
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0, /* Rs */
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ARGS_DELIM, /* Sc */
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0, /* So */
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ARGS_DELIM, /* Sq */
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0, /* Sm */
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ARGS_DELIM, /* Sx */
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ARGS_DELIM, /* Sy */
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ARGS_DELIM, /* Tn */
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ARGS_DELIM, /* Ux */
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ARGS_DELIM, /* Xc */
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0, /* Xo */
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0, /* Fo */
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0, /* Fc */
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0, /* Oo */
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ARGS_DELIM, /* Oc */
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0, /* Bk */
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0, /* Ek */
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0, /* Bt */
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0, /* Hf */
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0, /* Fr */
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0, /* Ud */
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0, /* Lb */
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ARGS_DELIM, /* Lp */
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ARGS_DELIM, /* Lk */
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ARGS_DELIM, /* Mt */
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ARGS_DELIM, /* Brq */
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0, /* Bro */
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ARGS_DELIM, /* Brc */
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0, /* %C */
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0, /* Es */
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0, /* En */
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0, /* Dx */
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0, /* %Q */
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0, /* br */
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0, /* sp */
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0, /* %U */
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0, /* 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 *m, 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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if ('\0' == buf[*pos])
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return(ARGV_EOLN);
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assert(' ' != buf[*pos]);
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/* Parse through to the first unescaped space. */
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p = &buf[++(*pos)];
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assert(*pos > 0);
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/* LINTED */
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while (buf[*pos]) {
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if (' ' == buf[*pos])
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if ('\\' != buf[*pos - 1])
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break;
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(*pos)++;
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}
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/* XXX - save zeroed byte, if not an argument. */
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sv = '\0';
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if (buf[*pos]) {
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sv = buf[*pos];
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buf[(*pos)++] = '\0';
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}
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(void)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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/* See if our token accepts the argument. */
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if (MDOC_ARG_MAX == (tmp.arg = argv_a2arg(tok, p))) {
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/* XXX - restore saved zeroed byte. */
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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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while (buf[*pos] && ' ' == buf[*pos])
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(*pos)++;
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if ( ! argv(m, line, &tmp, pos, buf))
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return(ARGV_ERROR);
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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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(void)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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mdoc_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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void
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mdoc_argn_free(struct mdoc_arg *p, int iarg)
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{
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struct mdoc_argv *arg = &p->argv[iarg];
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int j;
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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 *m, int line, int *pos,
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char *buf, int flags, char **v)
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{
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return(args(m, line, pos, buf, flags, v));
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}
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enum margserr
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mdoc_args(struct mdoc *m, int line, int *pos,
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char *buf, enum mdoct tok, char **v)
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{
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int fl;
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struct mdoc_node *n;
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fl = mdoc_argflags[tok];
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if (MDOC_It != tok)
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return(args(m, 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 = m->last; n; n = n->parent)
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if (MDOC_Bl == n->tok)
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break;
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if (n && LIST_column == n->data.Bl.type) {
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fl |= ARGS_TABSEP;
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fl &= ~ARGS_DELIM;
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}
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return(args(m, line, pos, buf, fl, v));
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}
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static enum margserr
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args(struct mdoc *m, int line, int *pos,
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char *buf, int fl, char **v)
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{
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int i;
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char *p, *pp;
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enum margserr rc;
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enum mdelim d;
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/*
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* Parse out the terms (like `val' in `.Xx -arg val' or simply
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* `.Xx val'), which can have all sorts of properties:
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*
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* ARGS_DELIM: use special handling if encountering trailing
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* delimiters in the form of [[::delim::][ ]+]+.
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*
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* ARGS_NOWARN: don't post warnings. This is only used when
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* re-parsing delimiters, as the warnings have already been
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* posted.
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*
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* ARGS_TABSEP: use special handling for tab/`Ta' separated
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* phrases like in `Bl -column'.
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*/
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assert(' ' != buf[*pos]);
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if ('\0' == buf[*pos]) {
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if (MDOC_PPHRASE & m->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 & m->flags)
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if ( ! mdoc_pmsg(m, line, *pos, MANDOCERR_BADQUOTE))
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return(ARGS_ERROR);
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m->flags &= ~MDOC_PHRASELIT;
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return(ARGS_EOLN);
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}
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/*
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* If the first character is a closing delimiter and we're to
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* look for delimited strings, then pass down the buffer seeing
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* if it follows the pattern of [[::delim::][ ]+]+. Note that
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* we ONLY care about closing delimiters.
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*/
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if ((fl & ARGS_DELIM) && DELIM_CLOSE == mdoc_iscdelim(buf[*pos])) {
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for (i = *pos; buf[i]; ) {
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d = mdoc_iscdelim(buf[i]);
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if (DELIM_NONE == d || DELIM_OPEN == d)
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break;
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i++;
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if ('\0' == buf[i] || ' ' != buf[i])
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break;
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i++;
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while (buf[i] && ' ' == buf[i])
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i++;
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}
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if ('\0' == buf[i]) {
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*v = &buf[*pos];
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if (i && ' ' != buf[i - 1])
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return(ARGS_PUNCT);
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if (ARGS_NOWARN & fl)
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return(ARGS_PUNCT);
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if ( ! mdoc_pmsg(m, line, *pos, MANDOCERR_EOLNSPACE))
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return(ARGS_ERROR);
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return(ARGS_PUNCT);
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}
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}
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*v = &buf[*pos];
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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 (ARGS_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 & m->flags))
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for (pp = *v; ; pp++) {
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if (NULL == (pp = strstr(pp, "Ta")))
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break;
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if (pp > *v && ' ' != *(pp - 1))
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continue;
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if (' ' == *(pp + 2) || '\0' == *(pp + 2))
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break;
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}
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/* By default, assume a phrase. */
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rc = ARGS_PHRASE;
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/*
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* Adjust new-buffer position to be beyond delimiter
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* mark (e.g., Ta -> end + 2).
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*/
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if (p && pp) {
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*pos += pp < p ? 2 : 1;
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rc = pp < p ? ARGS_PHRASE : ARGS_PPHRASE;
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p = pp < p ? pp : p;
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} else if (p && ! pp) {
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rc = ARGS_PPHRASE;
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*pos += 1;
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} else if (pp && ! p) {
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p = pp;
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*pos += 2;
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} else {
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rc = ARGS_PEND;
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p = strchr(*v, 0);
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}
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/* Whitespace check for eoln case... */
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if ('\0' == *p && ' ' == *(p - 1) && ! (ARGS_NOWARN & fl))
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if ( ! mdoc_pmsg(m, line, *pos, MANDOCERR_EOLNSPACE))
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return(ARGS_ERROR);
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*pos += (int)(p - *v);
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/* Strip delimiter's preceding whitespace. */
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pp = p - 1;
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while (pp > *v && ' ' == *pp) {
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if (pp > *v && '\\' == *(pp - 1))
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break;
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pp--;
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}
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*(pp + 1) = 0;
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/* Strip delimiter's proceeding whitespace. */
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for (pp = &buf[*pos]; ' ' == *pp; pp++, (*pos)++)
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/* Skip ahead. */ ;
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return(rc);
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}
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/*
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* Process a quoted literal. A quote begins with a double-quote
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* and ends with a double-quote NOT preceded by a double-quote.
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* Whitespace is NOT involved in literal termination.
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*/
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if (MDOC_PHRASELIT & m->flags || '\"' == buf[*pos]) {
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if ( ! (MDOC_PHRASELIT & m->flags))
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*v = &buf[++(*pos)];
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if (MDOC_PPHRASE & m->flags)
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m->flags |= MDOC_PHRASELIT;
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for ( ; buf[*pos]; (*pos)++) {
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if ('\"' != buf[*pos])
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continue;
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if ('\"' != buf[*pos + 1])
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break;
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(*pos)++;
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}
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|
|
|
if ('\0' == buf[*pos]) {
|
|
if (ARGS_NOWARN & fl || MDOC_PPHRASE & m->flags)
|
|
return(ARGS_QWORD);
|
|
if ( ! mdoc_pmsg(m, line, *pos, MANDOCERR_BADQUOTE))
|
|
return(ARGS_ERROR);
|
|
return(ARGS_QWORD);
|
|
}
|
|
|
|
m->flags &= ~MDOC_PHRASELIT;
|
|
buf[(*pos)++] = '\0';
|
|
|
|
if ('\0' == buf[*pos])
|
|
return(ARGS_QWORD);
|
|
|
|
while (' ' == buf[*pos])
|
|
(*pos)++;
|
|
|
|
if (0 == buf[*pos] && ! (ARGS_NOWARN & fl))
|
|
if ( ! mdoc_pmsg(m, line, *pos, MANDOCERR_EOLNSPACE))
|
|
return(ARGS_ERROR);
|
|
|
|
return(ARGS_QWORD);
|
|
}
|
|
|
|
/*
|
|
* A non-quoted term progresses until either the end of line or
|
|
* a non-escaped whitespace.
|
|
*/
|
|
|
|
for ( ; buf[*pos]; (*pos)++)
|
|
if (*pos && ' ' == buf[*pos] && '\\' != buf[*pos - 1])
|
|
break;
|
|
|
|
if ('\0' == buf[*pos])
|
|
return(ARGS_WORD);
|
|
|
|
buf[(*pos)++] = '\0';
|
|
|
|
while (' ' == buf[*pos])
|
|
(*pos)++;
|
|
|
|
if ('\0' == buf[*pos] && ! (ARGS_NOWARN & fl))
|
|
if ( ! mdoc_pmsg(m, line, *pos, MANDOCERR_EOLNSPACE))
|
|
return(ARGS_ERROR);
|
|
|
|
return(ARGS_WORD);
|
|
}
|
|
|
|
|
|
static int
|
|
argv_a2arg(enum mdoct tok, const char *p)
|
|
{
|
|
|
|
/*
|
|
* Parse an argument identifier from its text. XXX - this
|
|
* should really be table-driven to clarify the code.
|
|
*
|
|
* If you add an argument to the list, make sure that you
|
|
* register it here with its one or more macros!
|
|
*/
|
|
|
|
switch (tok) {
|
|
case (MDOC_An):
|
|
if (0 == strcmp(p, "split"))
|
|
return(MDOC_Split);
|
|
else if (0 == strcmp(p, "nosplit"))
|
|
return(MDOC_Nosplit);
|
|
break;
|
|
|
|
case (MDOC_Bd):
|
|
if (0 == strcmp(p, "ragged"))
|
|
return(MDOC_Ragged);
|
|
else if (0 == strcmp(p, "unfilled"))
|
|
return(MDOC_Unfilled);
|
|
else if (0 == strcmp(p, "filled"))
|
|
return(MDOC_Filled);
|
|
else if (0 == strcmp(p, "literal"))
|
|
return(MDOC_Literal);
|
|
else if (0 == strcmp(p, "file"))
|
|
return(MDOC_File);
|
|
else if (0 == strcmp(p, "offset"))
|
|
return(MDOC_Offset);
|
|
else if (0 == strcmp(p, "compact"))
|
|
return(MDOC_Compact);
|
|
else if (0 == strcmp(p, "centered"))
|
|
return(MDOC_Centred);
|
|
break;
|
|
|
|
case (MDOC_Bf):
|
|
if (0 == strcmp(p, "emphasis"))
|
|
return(MDOC_Emphasis);
|
|
else if (0 == strcmp(p, "literal"))
|
|
return(MDOC_Literal);
|
|
else if (0 == strcmp(p, "symbolic"))
|
|
return(MDOC_Symbolic);
|
|
break;
|
|
|
|
case (MDOC_Bk):
|
|
if (0 == strcmp(p, "words"))
|
|
return(MDOC_Words);
|
|
break;
|
|
|
|
case (MDOC_Bl):
|
|
if (0 == strcmp(p, "bullet"))
|
|
return(MDOC_Bullet);
|
|
else if (0 == strcmp(p, "dash"))
|
|
return(MDOC_Dash);
|
|
else if (0 == strcmp(p, "hyphen"))
|
|
return(MDOC_Hyphen);
|
|
else if (0 == strcmp(p, "item"))
|
|
return(MDOC_Item);
|
|
else if (0 == strcmp(p, "enum"))
|
|
return(MDOC_Enum);
|
|
else if (0 == strcmp(p, "tag"))
|
|
return(MDOC_Tag);
|
|
else if (0 == strcmp(p, "diag"))
|
|
return(MDOC_Diag);
|
|
else if (0 == strcmp(p, "hang"))
|
|
return(MDOC_Hang);
|
|
else if (0 == strcmp(p, "ohang"))
|
|
return(MDOC_Ohang);
|
|
else if (0 == strcmp(p, "inset"))
|
|
return(MDOC_Inset);
|
|
else if (0 == strcmp(p, "column"))
|
|
return(MDOC_Column);
|
|
else if (0 == strcmp(p, "width"))
|
|
return(MDOC_Width);
|
|
else if (0 == strcmp(p, "offset"))
|
|
return(MDOC_Offset);
|
|
else if (0 == strcmp(p, "compact"))
|
|
return(MDOC_Compact);
|
|
else if (0 == strcmp(p, "nested"))
|
|
return(MDOC_Nested);
|
|
break;
|
|
|
|
case (MDOC_Rv):
|
|
/* FALLTHROUGH */
|
|
case (MDOC_Ex):
|
|
if (0 == strcmp(p, "std"))
|
|
return(MDOC_Std);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return(MDOC_ARG_MAX);
|
|
}
|
|
|
|
|
|
static int
|
|
argv_multi(struct mdoc *m, 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(m, line, pos, buf, 0, &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_opt_single(struct mdoc *m, int line,
|
|
struct mdoc_argv *v, int *pos, char *buf)
|
|
{
|
|
enum margserr ac;
|
|
char *p;
|
|
|
|
if ('-' == buf[*pos])
|
|
return(1);
|
|
|
|
ac = args(m, line, pos, buf, 0, &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);
|
|
}
|
|
|
|
|
|
/*
|
|
* Parse a single, mandatory value from the stream.
|
|
*/
|
|
static int
|
|
argv_single(struct mdoc *m, int line,
|
|
struct mdoc_argv *v, int *pos, char *buf)
|
|
{
|
|
int ppos;
|
|
enum margserr ac;
|
|
char *p;
|
|
|
|
ppos = *pos;
|
|
|
|
ac = args(m, line, pos, buf, 0, &p);
|
|
if (ARGS_EOLN == ac) {
|
|
mdoc_pmsg(m, line, ppos, MANDOCERR_SYNTARGVCOUNT);
|
|
return(0);
|
|
} else if (ARGS_ERROR == ac)
|
|
return(0);
|
|
|
|
v->sz = 1;
|
|
v->value = mandoc_malloc(sizeof(char *));
|
|
v->value[0] = mandoc_strdup(p);
|
|
|
|
return(1);
|
|
}
|
|
|
|
|
|
/*
|
|
* Determine rules for parsing arguments. Arguments can either accept
|
|
* no parameters, an optional single parameter, one parameter, or
|
|
* multiple parameters.
|
|
*/
|
|
static int
|
|
argv(struct mdoc *mdoc, int line,
|
|
struct mdoc_argv *v, int *pos, char *buf)
|
|
{
|
|
|
|
v->sz = 0;
|
|
v->value = NULL;
|
|
|
|
switch (mdoc_argvflags[v->arg]) {
|
|
case (ARGV_SINGLE):
|
|
return(argv_single(mdoc, line, v, pos, buf));
|
|
case (ARGV_MULTI):
|
|
return(argv_multi(mdoc, line, v, pos, buf));
|
|
case (ARGV_OPT_SINGLE):
|
|
return(argv_opt_single(mdoc, line, v, pos, buf));
|
|
default:
|
|
/* ARGV_NONE */
|
|
break;
|
|
}
|
|
|
|
return(1);
|
|
}
|