version 1.13, 2009/07/15 15:26:19 |
version 1.110, 2017/03/03 15:05:48 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se> |
* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
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* Copyright (c) 2012, 2014-2017 Ingo Schwarze <schwarze@openbsd.org> |
* |
* |
* Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
* purpose with or without fee is hereby granted, provided that the above |
* purpose with or without fee is hereby granted, provided that the above |
* copyright notice and this permission notice appear in all copies. |
* copyright notice and this permission notice appear in all copies. |
* |
* |
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES |
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR |
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
*/ |
*/ |
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#include "config.h" |
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#include <sys/types.h> |
#include <sys/types.h> |
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#include <assert.h> |
#include <assert.h> |
#include <ctype.h> |
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#include <stdlib.h> |
#include <stdlib.h> |
#include <stdio.h> |
#include <stdio.h> |
#include <string.h> |
#include <string.h> |
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#include "mandoc_aux.h" |
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#include "mandoc.h" |
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#include "roff.h" |
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#include "mdoc.h" |
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#include "libmandoc.h" |
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#include "roff_int.h" |
#include "libmdoc.h" |
#include "libmdoc.h" |
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/* |
#define MULTI_STEP 5 /* pre-allocate argument values */ |
* Routines to parse arguments of macros. Arguments follow the syntax |
#define DELIMSZ 6 /* max possible size of a delimiter */ |
* 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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/* FIXME .Bf Li raises "macro-like parameter". */ |
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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#define ARGS_QUOTED (1 << 0) |
enum argvflag { |
#define ARGS_DELIM (1 << 1) |
ARGV_NONE, /* no args to flag (e.g., -split) */ |
#define ARGS_TABSEP (1 << 2) |
ARGV_SINGLE, /* one arg to flag (e.g., -file xxx) */ |
#define ARGS_ARGVLIKE (1 << 3) |
ARGV_MULTI /* multiple args (e.g., -column xxx yyy) */ |
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}; |
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#define ARGV_NONE (1 << 0) |
struct mdocarg { |
#define ARGV_SINGLE (1 << 1) |
enum argsflag flags; |
#define ARGV_MULTI (1 << 2) |
const enum mdocargt *argvs; |
#define ARGV_OPT_SINGLE (1 << 3) |
}; |
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#define MULTI_STEP 5 |
static void argn_free(struct mdoc_arg *, int); |
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static enum margserr args(struct roff_man *, int, int *, |
static int argv_a2arg(int, const char *); |
char *, enum argsflag, char **); |
static int args(struct mdoc *, int, int *, |
static int args_checkpunct(const char *, int); |
char *, int, char **); |
static void argv_multi(struct roff_man *, int, |
static int argv(struct mdoc *, int, |
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struct mdoc_argv *, int *, char *); |
struct mdoc_argv *, int *, char *); |
static int argv_single(struct mdoc *, int, |
static void argv_single(struct roff_man *, int, |
struct mdoc_argv *, int *, char *); |
struct mdoc_argv *, int *, char *); |
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. */ |
static const enum argvflag argvflags[MDOC_ARG_MAX] = { |
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static int mdoc_argvflags[MDOC_ARG_MAX] = { |
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ARGV_NONE, /* MDOC_Split */ |
ARGV_NONE, /* MDOC_Split */ |
ARGV_NONE, /* MDOC_Nosplit */ |
ARGV_NONE, /* MDOC_Nosplit */ |
ARGV_NONE, /* MDOC_Ragged */ |
ARGV_NONE, /* MDOC_Ragged */ |
ARGV_NONE, /* MDOC_Unfilled */ |
ARGV_NONE, /* MDOC_Unfilled */ |
ARGV_NONE, /* MDOC_Literal */ |
ARGV_NONE, /* MDOC_Literal */ |
ARGV_NONE, /* MDOC_File */ |
ARGV_SINGLE, /* MDOC_File */ |
ARGV_SINGLE, /* MDOC_Offset */ |
ARGV_SINGLE, /* MDOC_Offset */ |
ARGV_NONE, /* MDOC_Bullet */ |
ARGV_NONE, /* MDOC_Bullet */ |
ARGV_NONE, /* MDOC_Dash */ |
ARGV_NONE, /* MDOC_Dash */ |
Line 81 static int mdoc_argvflags[MDOC_ARG_MAX] = { |
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Line 82 static int mdoc_argvflags[MDOC_ARG_MAX] = { |
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ARGV_MULTI, /* MDOC_Column */ |
ARGV_MULTI, /* MDOC_Column */ |
ARGV_SINGLE, /* MDOC_Width */ |
ARGV_SINGLE, /* MDOC_Width */ |
ARGV_NONE, /* MDOC_Compact */ |
ARGV_NONE, /* MDOC_Compact */ |
ARGV_OPT_SINGLE, /* MDOC_Std */ |
ARGV_NONE, /* MDOC_Std */ |
ARGV_NONE, /* MDOC_Filled */ |
ARGV_NONE, /* MDOC_Filled */ |
ARGV_NONE, /* MDOC_Words */ |
ARGV_NONE, /* MDOC_Words */ |
ARGV_NONE, /* MDOC_Emphasis */ |
ARGV_NONE, /* MDOC_Emphasis */ |
Line 89 static int mdoc_argvflags[MDOC_ARG_MAX] = { |
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Line 90 static int mdoc_argvflags[MDOC_ARG_MAX] = { |
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ARGV_NONE /* MDOC_Symbolic */ |
ARGV_NONE /* MDOC_Symbolic */ |
}; |
}; |
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static int mdoc_argflags[MDOC_MAX] = { |
static const enum mdocargt args_Ex[] = { |
0, /* Ap */ |
MDOC_Std, |
0, /* Dd */ |
MDOC_ARG_MAX |
0, /* Dt */ |
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0, /* Os */ |
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ARGS_QUOTED, /* Sh */ |
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ARGS_QUOTED, /* Ss */ |
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ARGS_DELIM, /* Pp */ |
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ARGS_DELIM, /* D1 */ |
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ARGS_DELIM | ARGS_QUOTED, /* Dl */ |
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0, /* Bd */ |
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0, /* Ed */ |
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ARGS_QUOTED, /* 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 | ARGS_QUOTED, /* Ar */ |
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ARGS_QUOTED, /* 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 | ARGS_QUOTED, /* Fa */ |
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0, /* Fd */ |
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ARGS_DELIM, /* Fl */ |
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ARGS_DELIM | ARGS_QUOTED, /* Fn */ |
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ARGS_DELIM | ARGS_QUOTED, /* Ft */ |
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ARGS_DELIM, /* Ic */ |
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0, /* In */ |
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ARGS_DELIM | ARGS_QUOTED, /* Li */ |
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ARGS_QUOTED, /* 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 | ARGS_ARGVLIKE, /* 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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ARGS_QUOTED, /* %A */ |
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ARGS_QUOTED, /* %B */ |
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ARGS_QUOTED, /* %D */ |
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ARGS_QUOTED, /* %I */ |
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ARGS_QUOTED, /* %J */ |
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ARGS_QUOTED, /* %N */ |
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ARGS_QUOTED, /* %O */ |
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ARGS_QUOTED, /* %P */ |
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ARGS_QUOTED, /* %R */ |
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ARGS_QUOTED, /* %T */ |
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ARGS_QUOTED, /* %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 | ARGS_QUOTED, /* 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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ARGS_QUOTED, /* 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 | ARGS_QUOTED, /* Lk */ |
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ARGS_DELIM | ARGS_QUOTED, /* 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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ARGS_QUOTED, /* %C */ |
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0, /* Es */ |
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0, /* En */ |
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0, /* Dx */ |
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ARGS_QUOTED, /* %Q */ |
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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_DELIM, 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_DELIM, 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_DELIM, 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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{ ARGSFL_NONE, NULL }, /* ll */ |
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}; |
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/* |
/* |
* Parse an argument from line text. This comes in the form of -key |
* Parse flags and their arguments from the input line. |
* [value0...], which may either have a single mandatory value, at least |
* These come in the form -flag [argument ...]. |
* one mandatory value, an optional single value, or no value. |
* Some flags take no argument, some one, some multiple. |
*/ |
*/ |
int |
void |
mdoc_argv(struct mdoc *m, int line, int tok, |
mdoc_argv(struct roff_man *mdoc, int line, int tok, |
struct mdoc_arg **v, int *pos, char *buf) |
struct mdoc_arg **reta, int *pos, char *buf) |
{ |
{ |
int i; |
struct mdoc_argv tmpv; |
char *p, sv; |
struct mdoc_argv **retv; |
struct mdoc_argv tmp; |
const enum mdocargt *argtable; |
struct mdoc_arg *arg; |
char *argname; |
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int ipos, retc; |
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char savechar; |
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if (0 == buf[*pos]) |
*reta = NULL; |
return(ARGV_EOLN); |
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assert(' ' != buf[*pos]); |
/* Which flags does this macro support? */ |
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if ('-' != buf[*pos] || ARGS_ARGVLIKE & mdoc_argflags[tok]) |
argtable = mdocargs[tok].argvs; |
return(ARGV_WORD); |
if (argtable == NULL) |
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return; |
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/* Parse through to the first unescaped space. */ |
/* Loop over the flags on the input line. */ |
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i = *pos; |
ipos = *pos; |
p = &buf[++(*pos)]; |
while (buf[ipos] == '-') { |
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assert(*pos > 0); |
/* Seek to the first unescaped space. */ |
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/* LINTED */ |
for (argname = buf + ++ipos; buf[ipos] != '\0'; ipos++) |
while (buf[*pos]) { |
if (buf[ipos] == ' ' && buf[ipos - 1] != '\\') |
if (' ' == buf[*pos]) |
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if ('\\' != buf[*pos - 1]) |
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break; |
break; |
(*pos)++; |
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} |
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/* XXX - save zeroed byte, if not an argument. */ |
/* |
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* We want to nil-terminate the word to look it up. |
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* 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 |
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* stray byte, which we'll reset upon exiting. |
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*/ |
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sv = 0; |
if ((savechar = buf[ipos]) != '\0') |
if (buf[*pos]) { |
buf[ipos++] = '\0'; |
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)); |
/* |
tmp.line = line; |
* Now look up the word as a flag. Use temporary |
tmp.pos = *pos; |
* storage that we'll copy into the node's flags. |
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*/ |
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/* See if our token accepts the argument. */ |
while ((tmpv.arg = *argtable++) != MDOC_ARG_MAX) |
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if ( ! strcmp(argname, mdoc_argnames[tmpv.arg])) |
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break; |
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if (MDOC_ARG_MAX == (tmp.arg = argv_a2arg(tok, p))) { |
/* If it isn't a flag, restore the saved byte. */ |
/* XXX - restore saved zeroed byte. */ |
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if (sv) |
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buf[*pos - 1] = sv; |
|
if ( ! mdoc_pwarn(m, line, i, EARGVPARM)) |
|
return(ARGV_ERROR); |
|
return(ARGV_WORD); |
|
} |
|
|
|
while (buf[*pos] && ' ' == buf[*pos]) |
if (tmpv.arg == MDOC_ARG_MAX) { |
(*pos)++; |
if (savechar != '\0') |
|
buf[ipos - 1] = savechar; |
|
break; |
|
} |
|
|
if ( ! argv(m, line, &tmp, pos, buf)) |
/* Read to the next word (the first argument). */ |
return(ARGV_ERROR); |
|
|
|
if (NULL == (arg = *v)) { |
while (buf[ipos] == ' ') |
*v = calloc(1, sizeof(struct mdoc_arg)); |
ipos++; |
if (NULL == *v) { |
|
(void)mdoc_nerr(m, m->last, EMALLOC); |
/* Parse the arguments of the flag. */ |
return(ARGV_ERROR); |
|
|
tmpv.line = line; |
|
tmpv.pos = *pos; |
|
tmpv.sz = 0; |
|
tmpv.value = NULL; |
|
|
|
switch (argvflags[tmpv.arg]) { |
|
case ARGV_SINGLE: |
|
argv_single(mdoc, line, &tmpv, &ipos, buf); |
|
break; |
|
case ARGV_MULTI: |
|
argv_multi(mdoc, line, &tmpv, &ipos, buf); |
|
break; |
|
case ARGV_NONE: |
|
break; |
} |
} |
arg = *v; |
|
} |
|
|
|
arg->argc++; |
/* Append to the return values. */ |
arg->argv = realloc(arg->argv, arg->argc * |
|
sizeof(struct mdoc_argv)); |
|
|
|
if (NULL == arg->argv) { |
if (*reta == NULL) |
(void)mdoc_nerr(m, m->last, EMALLOC); |
*reta = mandoc_calloc(1, sizeof(**reta)); |
return(ARGV_ERROR); |
|
} |
|
|
|
(void)memcpy(&arg->argv[(int)arg->argc - 1], |
retc = ++(*reta)->argc; |
&tmp, sizeof(struct mdoc_argv)); |
retv = &(*reta)->argv; |
|
*retv = mandoc_reallocarray(*retv, retc, sizeof(**retv)); |
|
memcpy(*retv + retc - 1, &tmpv, sizeof(**retv)); |
|
|
return(ARGV_ARG); |
/* Prepare for parsing the next flag. */ |
|
|
|
*pos = ipos; |
|
argtable = mdocargs[tok].argvs; |
|
} |
} |
} |
|
|
|
|
void |
void |
mdoc_argv_free(struct mdoc_arg *p) |
mdoc_argv_free(struct mdoc_arg *p) |
{ |
{ |
int i, j; |
int i; |
|
|
if (NULL == p) |
if (NULL == p) |
return; |
return; |
Line 317 mdoc_argv_free(struct mdoc_arg *p) |
|
Line 388 mdoc_argv_free(struct mdoc_arg *p) |
|
} |
} |
assert(p->argc); |
assert(p->argc); |
|
|
/* LINTED */ |
for (i = (int)p->argc - 1; i >= 0; i--) |
for (i = 0; i < (int)p->argc; i++) { |
argn_free(p, i); |
if (0 == p->argv[i].sz) |
|
continue; |
|
/* LINTED */ |
|
for (j = 0; j < (int)p->argv[i].sz; j++) |
|
free(p->argv[i].value[j]); |
|
|
|
free(p->argv[i].value); |
|
} |
|
|
|
free(p->argv); |
free(p->argv); |
free(p); |
free(p); |
} |
} |
|
|
|
static void |
int |
argn_free(struct mdoc_arg *p, int iarg) |
mdoc_args(struct mdoc *m, int line, |
|
int *pos, char *buf, int tok, char **v) |
|
{ |
{ |
int fl, c, i; |
struct mdoc_argv *arg; |
struct mdoc_node *n; |
int j; |
|
|
fl = (0 == tok) ? 0 : mdoc_argflags[tok]; |
arg = &p->argv[iarg]; |
|
|
/* |
if (arg->sz && arg->value) { |
* Override per-macro argument flags with context-specific ones. |
for (j = (int)arg->sz - 1; j >= 0; j--) |
* As of now, this is only valid for `It' depending on its list |
free(arg->value[j]); |
* context. |
free(arg->value); |
*/ |
|
|
|
switch (tok) { |
|
case (MDOC_It): |
|
for (n = m->last; n; n = n->parent) |
|
if (MDOC_BLOCK == n->type && MDOC_Bl == n->tok) |
|
break; |
|
|
|
assert(n); |
|
c = (int)(n->args ? n->args->argc : 0); |
|
assert(c > 0); |
|
|
|
/* |
|
* Using `Bl -column' adds ARGS_TABSEP to the arguments |
|
* and invalidates ARGS_DELIM. Using `Bl -diag' allows |
|
* for quoted arguments. |
|
*/ |
|
|
|
/* LINTED */ |
|
for (i = 0; i < c; i++) { |
|
switch (n->args->argv[i].arg) { |
|
case (MDOC_Column): |
|
fl |= ARGS_TABSEP; |
|
fl &= ~ARGS_DELIM; |
|
i = c; |
|
break; |
|
case (MDOC_Diag): |
|
fl |= ARGS_QUOTED; |
|
i = c; |
|
break; |
|
default: |
|
break; |
|
} |
|
} |
|
break; |
|
default: |
|
break; |
|
} |
} |
|
|
return(args(m, line, pos, buf, fl, v)); |
for (--p->argc; iarg < (int)p->argc; iarg++) |
|
p->argv[iarg] = p->argv[iarg+1]; |
} |
} |
|
|
|
enum margserr |
static int |
mdoc_args(struct roff_man *mdoc, int line, int *pos, |
args(struct mdoc *m, int line, int *pos, |
char *buf, int tok, char **v) |
char *buf, int fl, char **v) |
|
{ |
{ |
int i; |
struct roff_node *n; |
char *p, *pp; |
char *v_local; |
|
enum argsflag fl; |
|
|
assert(*pos > 0); |
if (v == NULL) |
|
v = &v_local; |
|
fl = tok == TOKEN_NONE ? ARGSFL_NONE : mdocargs[tok].flags; |
|
|
if (0 == buf[*pos]) |
/* |
return(ARGS_EOLN); |
* We know that we're in an `It', so it's reasonable to expect |
|
* us to be sitting in a `Bl'. Someday this may not be the case |
if ('\"' == buf[*pos] && ! (fl & ARGS_QUOTED)) |
* (if we allow random `It's sitting out there), so provide a |
if ( ! mdoc_pwarn(m, line, *pos, EQUOTPARM)) |
* safe fall-back into the default behaviour. |
return(ARGS_ERROR); |
|
|
|
if ( ! (fl & ARGS_ARGVLIKE) && '-' == buf[*pos]) |
|
if ( ! mdoc_pwarn(m, line, *pos, EARGVPARM)) |
|
return(ARGS_ERROR); |
|
|
|
/* |
|
* If the first character is a delimiter and we're to look for |
|
* delimited strings, then pass down the buffer seeing if it |
|
* follows the pattern of [[::delim::][ ]+]+. |
|
*/ |
*/ |
|
|
if ((fl & ARGS_DELIM) && mdoc_iscdelim(buf[*pos])) { |
if (tok == MDOC_It) { |
for (i = *pos; buf[i]; ) { |
for (n = mdoc->last; n != NULL; n = n->parent) { |
if ( ! mdoc_iscdelim(buf[i])) |
if (n->tok != MDOC_Bl) |
break; |
continue; |
i++; |
if (n->norm->Bl.type == LIST_column) |
/* There must be at least one space... */ |
fl = ARGSFL_TABSEP; |
if (0 == buf[i] || ' ' != buf[i]) |
break; |
break; |
|
i++; |
|
while (buf[i] && ' ' == buf[i]) |
|
i++; |
|
} |
} |
if (0 == buf[i]) { |
|
*v = &buf[*pos]; |
|
return(ARGS_PUNCT); |
|
} |
|
} |
} |
|
|
/* First parse non-quoted strings. */ |
return args(mdoc, line, pos, buf, fl, v); |
|
} |
|
|
if ('\"' != buf[*pos] || ! (ARGS_QUOTED & fl)) { |
static enum margserr |
*v = &buf[*pos]; |
args(struct roff_man *mdoc, int line, int *pos, |
|
char *buf, enum argsflag fl, char **v) |
|
{ |
|
char *p; |
|
int pairs; |
|
|
/* |
if (buf[*pos] == '\0') { |
* Thar be dragons here! If we're tab-separated, search |
if (mdoc->flags & MDOC_PHRASELIT && |
* ahead for either a tab or the `Ta' macro. |
! (mdoc->flags & MDOC_PHRASE)) { |
* If a `Ta' is detected, it must be space-buffered before and |
mandoc_msg(MANDOCERR_ARG_QUOTE, |
* after. If either of these hold true, then prune out the |
mdoc->parse, line, *pos, NULL); |
* extra spaces and call it an argument. |
mdoc->flags &= ~MDOC_PHRASELIT; |
*/ |
} |
|
return ARGS_EOLN; |
|
} |
|
|
if (ARGS_TABSEP & fl) { |
*v = buf + *pos; |
/* Scan ahead to unescaped tab. */ |
|
|
|
p = strchr(*v, '\t'); |
if (fl == ARGSFL_DELIM && args_checkpunct(buf, *pos)) |
|
return ARGS_PUNCT; |
|
|
/* Scan ahead to unescaped `Ta'. */ |
/* |
|
* Tabs in `It' lines in `Bl -column' can't be escaped. |
|
* Phrases are reparsed for `Ta' and other macros later. |
|
*/ |
|
|
for (pp = *v; ; pp++) { |
if (fl == ARGSFL_TABSEP) { |
if (NULL == (pp = strstr(pp, "Ta"))) |
if ((p = strchr(*v, '\t')) != NULL) { |
break; |
|
if (pp > *v && ' ' != *(pp - 1)) |
|
continue; |
|
if (' ' == *(pp + 2) || 0 == *(pp + 2)) |
|
break; |
|
} |
|
|
|
/* Choose delimiter tab/Ta. */ |
/* |
|
* Words right before and right after |
|
* tab characters are not parsed, |
|
* unless there is a blank in between. |
|
*/ |
|
|
if (p && pp) |
if (p > buf && p[-1] != ' ') |
p = (p < pp ? p : pp); |
mdoc->flags |= MDOC_PHRASEQL; |
else if ( ! p && pp) |
if (p[1] != ' ') |
p = pp; |
mdoc->flags |= MDOC_PHRASEQN; |
|
|
/* Strip delimiter's preceding whitespace. */ |
/* |
|
* One or more blanks after a tab cause |
|
* one leading blank in the next column. |
|
* So skip all but one of them. |
|
*/ |
|
|
if (p && p > *v) { |
*pos += (int)(p - *v) + 1; |
pp = p - 1; |
while (buf[*pos] == ' ' && buf[*pos + 1] == ' ') |
while (pp > *v && ' ' == *pp) |
(*pos)++; |
pp--; |
|
if (pp == *v && ' ' == *pp) |
|
*pp = 0; |
|
else if (' ' == *pp) |
|
*(pp + 1) = 0; |
|
} |
|
|
|
/* ...in- and proceding whitespace. */ |
/* |
|
* A tab at the end of an input line |
|
* switches to the next column. |
|
*/ |
|
|
if (p && ('\t' != *p)) { |
if (buf[*pos] == '\0' || buf[*pos + 1] == '\0') |
*p++ = 0; |
mdoc->flags |= MDOC_PHRASEQN; |
*p++ = 0; |
} else { |
} else if (p) |
p = strchr(*v, '\0'); |
*p++ = 0; |
if (p[-1] == ' ') |
|
mandoc_msg(MANDOCERR_SPACE_EOL, |
|
mdoc->parse, line, *pos, NULL); |
|
*pos += (int)(p - *v); |
|
} |
|
|
if (p) { |
/* Skip any trailing blank characters. */ |
while (' ' == *p) |
while (p > *v && p[-1] == ' ' && |
p++; |
(p - 1 == *v || p[-2] != '\\')) |
if (0 != *p) |
p--; |
*(p - 1) = 0; |
*p = '\0'; |
*pos += (int)(p - *v); |
|
} |
|
|
|
if (p && 0 == *p) |
return ARGS_PHRASE; |
if ( ! mdoc_pwarn(m, line, *pos, ECOLEMPTY)) |
} |
return(ARGS_ERROR); |
|
if (p && 0 == *p && p > *v && ' ' == *(p - 1)) |
|
if ( ! mdoc_pwarn(m, line, *pos, ETAILWS)) |
|
return(ARGS_ERROR); |
|
|
|
if (p) |
/* |
return(ARGS_PHRASE); |
* 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. |
|
*/ |
|
|
/* Configure the eoln case, too. */ |
if (mdoc->flags & MDOC_PHRASELIT || buf[*pos] == '\"') { |
|
if ( ! (mdoc->flags & MDOC_PHRASELIT)) |
|
*v = &buf[++(*pos)]; |
|
|
p = strchr(*v, 0); |
if (mdoc->flags & MDOC_PHRASE) |
assert(p); |
mdoc->flags |= MDOC_PHRASELIT; |
|
|
if (p > *v && ' ' == *(p - 1)) |
pairs = 0; |
if ( ! mdoc_pwarn(m, line, *pos, ETAILWS)) |
for ( ; buf[*pos]; (*pos)++) { |
return(ARGS_ERROR); |
/* Move following text left after quoted quotes. */ |
*pos += (int)(p - *v); |
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'; |
|
|
return(ARGS_PHRASE); |
if (buf[*pos] == '\0') { |
} |
if ( ! (mdoc->flags & MDOC_PHRASE)) |
|
mandoc_msg(MANDOCERR_ARG_QUOTE, |
/* Do non-tabsep look-ahead here. */ |
mdoc->parse, line, *pos, NULL); |
|
return ARGS_QWORD; |
if ( ! (ARGS_TABSEP & fl)) |
} |
while (buf[*pos]) { |
|
if (' ' == buf[*pos]) |
|
if ('\\' != buf[*pos - 1]) |
|
break; |
|
(*pos)++; |
|
} |
|
|
|
if (0 == buf[*pos]) |
mdoc->flags &= ~MDOC_PHRASELIT; |
return(ARGS_WORD); |
buf[(*pos)++] = '\0'; |
|
|
buf[(*pos)++] = 0; |
if ('\0' == buf[*pos]) |
|
return ARGS_QWORD; |
|
|
if (0 == buf[*pos]) |
while (' ' == buf[*pos]) |
return(ARGS_WORD); |
(*pos)++; |
|
|
if ( ! (ARGS_TABSEP & fl)) |
if ('\0' == buf[*pos]) |
while (buf[*pos] && ' ' == buf[*pos]) |
mandoc_msg(MANDOCERR_SPACE_EOL, mdoc->parse, |
(*pos)++; |
line, *pos, NULL); |
|
|
if (buf[*pos]) |
return ARGS_QWORD; |
return(ARGS_WORD); |
|
|
|
if ( ! mdoc_pwarn(m, line, *pos, ETAILWS)) |
|
return(ARGS_ERROR); |
|
|
|
return(ARGS_WORD); |
|
} |
} |
|
|
|
p = &buf[*pos]; |
|
*v = mandoc_getarg(mdoc->parse, &p, line, pos); |
|
|
/* |
/* |
* If we're a quoted string (and quoted strings are allowed), |
* After parsing the last word in this phrase, |
* then parse ahead to the next quote. If none's found, it's an |
* tell lookup() whether or not to interpret it. |
* error. After, parse to the next word. |
|
*/ |
*/ |
|
|
*v = &buf[++(*pos)]; |
if (*p == '\0' && mdoc->flags & MDOC_PHRASEQL) { |
|
mdoc->flags &= ~MDOC_PHRASEQL; |
while (buf[*pos] && '\"' != buf[*pos]) |
mdoc->flags |= MDOC_PHRASEQF; |
(*pos)++; |
|
|
|
if (0 == buf[*pos]) { |
|
(void)mdoc_perr(m, line, *pos, EQUOTTERM); |
|
return(ARGS_ERROR); |
|
} |
} |
|
return ARGS_WORD; |
|
} |
|
|
buf[(*pos)++] = 0; |
/* |
if (0 == buf[*pos]) |
* Check if the string consists only of space-separated closing |
return(ARGS_QWORD); |
* 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; |
|
|
while (buf[*pos] && ' ' == buf[*pos]) |
/* First token must be a close-delimiter. */ |
(*pos)++; |
|
|
|
if (buf[*pos]) |
for (j = 0; buf[i] && ' ' != buf[i] && j < DELIMSZ; j++, i++) |
return(ARGS_QWORD); |
dbuf[j] = buf[i]; |
|
|
if ( ! mdoc_pwarn(m, line, *pos, ETAILWS)) |
if (DELIMSZ == j) |
return(ARGS_ERROR); |
return 0; |
|
|
return(ARGS_QWORD); |
dbuf[j] = '\0'; |
} |
if (DELIM_CLOSE != mdoc_isdelim(dbuf)) |
|
return 0; |
|
|
|
while (' ' == buf[i]) |
|
i++; |
|
|
static int |
/* Remaining must NOT be open/none. */ |
argv_a2arg(int tok, const char *argv) |
|
{ |
|
|
|
/* |
while (buf[i]) { |
* Parse an argument identifier from its text. XXX - this |
j = 0; |
* should really be table-driven to clarify the code. |
while (buf[i] && ' ' != buf[i] && j < DELIMSZ) |
* |
dbuf[j++] = buf[i++]; |
* If you add an argument to the list, make sure that you |
|
* register it here with its one or more macros! |
|
*/ |
|
|
|
switch (tok) { |
if (DELIMSZ == j) |
case (MDOC_An): |
return 0; |
if (0 == strcmp(argv, "split")) |
|
return(MDOC_Split); |
|
else if (0 == strcmp(argv, "nosplit")) |
|
return(MDOC_Nosplit); |
|
break; |
|
|
|
case (MDOC_Bd): |
dbuf[j] = '\0'; |
if (0 == strcmp(argv, "ragged")) |
d = mdoc_isdelim(dbuf); |
return(MDOC_Ragged); |
if (DELIM_NONE == d || DELIM_OPEN == d) |
else if (0 == strcmp(argv, "unfilled")) |
return 0; |
return(MDOC_Unfilled); |
|
else if (0 == strcmp(argv, "filled")) |
|
return(MDOC_Filled); |
|
else if (0 == strcmp(argv, "literal")) |
|
return(MDOC_Literal); |
|
else if (0 == strcmp(argv, "file")) |
|
return(MDOC_File); |
|
else if (0 == strcmp(argv, "offset")) |
|
return(MDOC_Offset); |
|
else if (0 == strcmp(argv, "compact")) |
|
return(MDOC_Compact); |
|
break; |
|
|
|
case (MDOC_Bf): |
while (' ' == buf[i]) |
if (0 == strcmp(argv, "emphasis")) |
i++; |
return(MDOC_Emphasis); |
|
else if (0 == strcmp(argv, "literal")) |
|
return(MDOC_Literal); |
|
else if (0 == strcmp(argv, "symbolic")) |
|
return(MDOC_Symbolic); |
|
break; |
|
|
|
case (MDOC_Bk): |
|
if (0 == strcmp(argv, "words")) |
|
return(MDOC_Words); |
|
break; |
|
|
|
case (MDOC_Bl): |
|
if (0 == strcmp(argv, "bullet")) |
|
return(MDOC_Bullet); |
|
else if (0 == strcmp(argv, "dash")) |
|
return(MDOC_Dash); |
|
else if (0 == strcmp(argv, "hyphen")) |
|
return(MDOC_Hyphen); |
|
else if (0 == strcmp(argv, "item")) |
|
return(MDOC_Item); |
|
else if (0 == strcmp(argv, "enum")) |
|
return(MDOC_Enum); |
|
else if (0 == strcmp(argv, "tag")) |
|
return(MDOC_Tag); |
|
else if (0 == strcmp(argv, "diag")) |
|
return(MDOC_Diag); |
|
else if (0 == strcmp(argv, "hang")) |
|
return(MDOC_Hang); |
|
else if (0 == strcmp(argv, "ohang")) |
|
return(MDOC_Ohang); |
|
else if (0 == strcmp(argv, "inset")) |
|
return(MDOC_Inset); |
|
else if (0 == strcmp(argv, "column")) |
|
return(MDOC_Column); |
|
else if (0 == strcmp(argv, "width")) |
|
return(MDOC_Width); |
|
else if (0 == strcmp(argv, "offset")) |
|
return(MDOC_Offset); |
|
else if (0 == strcmp(argv, "compact")) |
|
return(MDOC_Compact); |
|
else if (0 == strcmp(argv, "nested")) |
|
return(MDOC_Nested); |
|
break; |
|
|
|
case (MDOC_Rv): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Ex): |
|
if (0 == strcmp(argv, "std")) |
|
return(MDOC_Std); |
|
break; |
|
default: |
|
break; |
|
} |
} |
|
|
return(MDOC_ARG_MAX); |
return '\0' == buf[i]; |
} |
} |
|
|
|
static void |
static int |
argv_multi(struct roff_man *mdoc, int line, |
argv_multi(struct mdoc *m, int line, |
|
struct mdoc_argv *v, int *pos, char *buf) |
struct mdoc_argv *v, int *pos, char *buf) |
{ |
{ |
int c; |
enum margserr ac; |
char *p; |
char *p; |
|
|
for (v->sz = 0; ; v->sz++) { |
for (v->sz = 0; ; v->sz++) { |
if ('-' == buf[*pos]) |
if (buf[*pos] == '-') |
break; |
break; |
c = args(m, line, pos, buf, ARGS_QUOTED, &p); |
ac = args(mdoc, line, pos, buf, ARGSFL_NONE, &p); |
if (ARGS_ERROR == c) |
if (ac == ARGS_EOLN) |
return(0); |
|
else if (ARGS_EOLN == c) |
|
break; |
break; |
|
|
if (0 == v->sz % MULTI_STEP) { |
if (v->sz % MULTI_STEP == 0) |
v->value = realloc(v->value, |
v->value = mandoc_reallocarray(v->value, |
(v->sz + MULTI_STEP) * sizeof(char *)); |
v->sz + MULTI_STEP, sizeof(char *)); |
if (NULL == v->value) { |
|
(void)mdoc_nerr(m, m->last, EMALLOC); |
|
return(ARGV_ERROR); |
|
} |
|
} |
|
if (NULL == (v->value[(int)v->sz] = strdup(p))) |
|
return(mdoc_nerr(m, m->last, EMALLOC)); |
|
} |
|
|
|
return(1); |
v->value[(int)v->sz] = mandoc_strdup(p); |
|
} |
} |
} |
|
|
|
static void |
static int |
argv_single(struct roff_man *mdoc, int line, |
argv_opt_single(struct mdoc *m, int line, |
|
struct mdoc_argv *v, int *pos, char *buf) |
struct mdoc_argv *v, int *pos, char *buf) |
{ |
{ |
int c; |
enum margserr ac; |
char *p; |
char *p; |
|
|
if ('-' == buf[*pos]) |
ac = args(mdoc, line, pos, buf, ARGSFL_NONE, &p); |
return(1); |
if (ac == ARGS_EOLN) |
|
return; |
|
|
c = args(m, line, pos, buf, ARGS_QUOTED, &p); |
|
if (ARGS_ERROR == c) |
|
return(0); |
|
if (ARGS_EOLN == c) |
|
return(1); |
|
|
|
v->sz = 1; |
v->sz = 1; |
if (NULL == (v->value = calloc(1, sizeof(char *)))) |
v->value = mandoc_malloc(sizeof(char *)); |
return(mdoc_nerr(m, m->last, EMALLOC)); |
v->value[0] = mandoc_strdup(p); |
if (NULL == (v->value[0] = strdup(p))) |
|
return(mdoc_nerr(m, m->last, EMALLOC)); |
|
|
|
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 c, ppos; |
|
char *p; |
|
|
|
ppos = *pos; |
|
|
|
c = args(m, line, pos, buf, ARGS_QUOTED, &p); |
|
if (ARGS_ERROR == c) |
|
return(0); |
|
if (ARGS_EOLN == c) |
|
return(mdoc_perr(m, line, ppos, EARGVAL)); |
|
|
|
v->sz = 1; |
|
if (NULL == (v->value = calloc(1, sizeof(char *)))) |
|
return(mdoc_nerr(m, m->last, EMALLOC)); |
|
if (NULL == (v->value[0] = strdup(p))) |
|
return(mdoc_nerr(m, m->last, EMALLOC)); |
|
|
|
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); |
|
} |
} |