version 1.6, 2008/12/28 21:25:09 |
version 1.263, 2017/04/29 12:45:41 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se> |
* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
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* Copyright (c) 2010, 2012-2017 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 |
* purpose with or without fee is hereby granted, provided that the above |
* above copyright notice and this permission notice appear in all |
* copyright notice and this permission notice appear in all copies. |
* copies. |
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* |
* |
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES |
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR |
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
* PERFORMANCE OF THIS SOFTWARE. |
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*/ |
*/ |
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#include "config.h" |
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#include <sys/types.h> |
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#include <assert.h> |
#include <assert.h> |
#include <ctype.h> |
#include <ctype.h> |
#include <err.h> |
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#include <stdarg.h> |
#include <stdarg.h> |
#include <stdlib.h> |
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#include <stdio.h> |
#include <stdio.h> |
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#include <stdlib.h> |
#include <string.h> |
#include <string.h> |
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#include <time.h> |
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#include "private.h" |
#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" |
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#include "libmdoc.h" |
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const char *const __mdoc_macronames[MDOC_MAX] = { |
const char *const __mdoc_argnames[MDOC_ARG_MAX] = { |
"\\\"", "Dd", "Dt", "Os", |
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"Sh", "Ss", "Pp", "D1", |
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"Dl", "Bd", "Ed", "Bl", |
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"El", "It", "Ad", "An", |
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"Ar", "Cd", "Cm", "Dv", |
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"Er", "Ev", "Ex", "Fa", |
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"Fd", "Fl", "Fn", "Ft", |
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"Ic", "In", "Li", "Nd", |
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"Nm", "Op", "Ot", "Pa", |
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"Rv", "St", "Va", "Vt", |
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/* LINTED */ |
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"Xr", "\%A", "\%B", "\%D", |
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/* LINTED */ |
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"\%I", "\%J", "\%N", "\%O", |
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/* LINTED */ |
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"\%P", "\%R", "\%T", "\%V", |
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"Ac", "Ao", "Aq", "At", |
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"Bc", "Bf", "Bo", "Bq", |
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"Bsx", "Bx", "Db", "Dc", |
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"Do", "Dq", "Ec", "Ef", |
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"Em", "Eo", "Fx", "Ms", |
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"No", "Ns", "Nx", "Ox", |
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"Pc", "Pf", "Po", "Pq", |
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"Qc", "Ql", "Qo", "Qq", |
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"Re", "Rs", "Sc", "So", |
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"Sq", "Sm", "Sx", "Sy", |
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"Tn", "Ux", "Xc", "Xo", |
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"Fo", "Fc", "Oo", "Oc", |
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"Bk", "Ek", "Bt", "Hf", |
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"Fr", "Ud", |
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}; |
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const char *const __mdoc_argnames[MDOC_ARG_MAX] = { |
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"split", "nosplit", "ragged", |
"split", "nosplit", "ragged", |
"unfilled", "literal", "file", |
"unfilled", "literal", "file", |
"offset", "bullet", "dash", |
"offset", "bullet", "dash", |
"hyphen", "item", "enum", |
"hyphen", "item", "enum", |
"tag", "diag", "hang", |
"tag", "diag", "hang", |
"ohang", "inset", "column", |
"ohang", "inset", "column", |
"width", "compact", "std", |
"width", "compact", "std", |
"p1003.1-88", "p1003.1-90", "p1003.1-96", |
"filled", "words", "emphasis", |
"p1003.1-2001", "p1003.1-2004", "p1003.1", |
"symbolic", "nested", "centered" |
"p1003.1b", "p1003.1b-93", "p1003.1c-95", |
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"p1003.1g-2000", "p1003.2-92", "p1387.2-95", |
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"p1003.2", "p1387.2", "isoC-90", |
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"isoC-amd1", "isoC-tcor1", "isoC-tcor2", |
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"isoC-99", "ansiC", "ansiC-89", |
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"ansiC-99", "ieee754", "iso8802-3", |
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"xpg3", "xpg4", "xpg4.2", |
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"xpg4.3", "xbd5", "xcu5", |
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"xsh5", "xns5", "xns5.2d2.0", |
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"xcurses4.2", "susv2", "susv3", |
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"svid4", "filled", "words", |
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}; |
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const struct mdoc_macro __mdoc_macros[MDOC_MAX] = { |
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{ NULL, 0 }, /* \" */ |
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{ macro_prologue_ddate, 0 }, /* Dd */ |
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{ macro_prologue_dtitle, 0 }, /* Dt */ |
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{ macro_prologue_os, 0 }, /* Os */ |
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{ macro_scoped_implicit, 0 }, /* Sh */ |
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{ macro_scoped_implicit, 0 }, /* Ss */ |
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{ macro_text, 0 }, /* Pp */ |
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{ macro_scoped_line, 0 }, /* D1 */ |
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{ macro_scoped_line, 0 }, /* Dl */ |
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{ macro_scoped_explicit, MDOC_EXPLICIT }, /* Bd */ |
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{ macro_scoped_explicit, 0 }, /* Ed */ |
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{ macro_scoped_explicit, MDOC_EXPLICIT }, /* Bl */ |
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{ macro_scoped_explicit, 0 }, /* El */ |
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{ NULL, 0 }, /* It */ |
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{ macro_text, MDOC_CALLABLE }, /* Ad */ |
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{ NULL, 0 }, /* An */ |
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{ macro_text, MDOC_CALLABLE }, /* Ar */ |
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{ NULL, 0 }, /* Cd */ |
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{ macro_text, MDOC_CALLABLE }, /* Cm */ |
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{ macro_text, MDOC_CALLABLE }, /* Dv */ |
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{ macro_text, MDOC_CALLABLE }, /* Er */ |
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{ macro_text, MDOC_CALLABLE }, /* Ev */ |
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{ NULL, 0 }, /* Ex */ |
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{ macro_text, MDOC_CALLABLE }, /* Fa */ |
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{ NULL, 0 }, /* Fd */ |
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{ macro_text, MDOC_CALLABLE }, /* Fl */ |
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{ NULL, 0 }, /* Fn */ |
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{ macro_text, 0 }, /* Ft */ |
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{ macro_text, MDOC_CALLABLE }, /* Ic */ |
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{ NULL, 0 }, /* In */ |
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{ macro_text, MDOC_CALLABLE }, /* Li */ |
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{ NULL, 0 }, /* Nd */ |
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{ NULL, 0 }, /* Nm */ |
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{ NULL, 0 }, /* Op */ |
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{ NULL, 0 }, /* Ot */ |
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{ macro_text, MDOC_CALLABLE }, /* Pa */ |
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{ NULL, 0 }, /* Rv */ |
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{ NULL, 0 }, /* St */ |
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{ macro_text, MDOC_CALLABLE }, /* Va */ |
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{ macro_text, MDOC_CALLABLE }, /* Vt */ |
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{ NULL, 0 }, /* Xr */ |
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{ NULL, 0 }, /* %A */ |
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{ NULL, 0 }, /* %B */ |
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{ NULL, 0 }, /* %D */ |
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{ NULL, 0 }, /* %I */ |
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{ NULL, 0 }, /* %J */ |
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{ NULL, 0 }, /* %N */ |
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{ NULL, 0 }, /* %O */ |
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{ NULL, 0 }, /* %P */ |
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{ NULL, 0 }, /* %R */ |
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{ NULL, 0 }, /* %T */ |
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{ NULL, 0 }, /* %V */ |
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{ NULL, 0 }, /* Ac */ |
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{ NULL, 0 }, /* Ao */ |
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{ NULL, 0 }, /* Aq */ |
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{ NULL, 0 }, /* At */ |
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{ NULL, 0 }, /* Bc */ |
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{ NULL, 0 }, /* Bf */ |
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{ NULL, 0 }, /* Bo */ |
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{ NULL, 0 }, /* Bq */ |
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{ NULL, 0 }, /* Bsx */ |
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{ NULL, 0 }, /* Bx */ |
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{ NULL, 0 }, /* Db */ |
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{ NULL, 0 }, /* Dc */ |
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{ NULL, 0 }, /* Do */ |
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{ NULL, 0 }, /* Dq */ |
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{ NULL, 0 }, /* Ec */ |
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{ NULL, 0 }, /* Ef */ |
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{ macro_text, MDOC_CALLABLE }, /* Em */ |
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{ NULL, 0 }, /* Eo */ |
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{ NULL, 0 }, /* Fx */ |
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{ macro_text, 0 }, /* Ms */ |
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{ NULL, 0 }, /* No */ |
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{ NULL, 0 }, /* Ns */ |
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{ NULL, 0 }, /* Nx */ |
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{ NULL, 0 }, /* Ox */ |
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{ NULL, 0 }, /* Pc */ |
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{ NULL, 0 }, /* Pf */ |
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{ NULL, 0 }, /* Po */ |
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{ NULL, 0 }, /* Pq */ |
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{ NULL, 0 }, /* Qc */ |
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{ NULL, 0 }, /* Ql */ |
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{ NULL, 0 }, /* Qo */ |
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{ macro_scoped_pline, MDOC_CALLABLE }, /* Qq */ |
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{ NULL, 0 }, /* Re */ |
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{ NULL, 0 }, /* Rs */ |
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{ NULL, 0 }, /* Sc */ |
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{ NULL, 0 }, /* So */ |
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{ NULL, 0 }, /* Sq */ |
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{ NULL, 0 }, /* Sm */ |
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{ NULL, 0 }, /* Sx */ |
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{ NULL, 0 }, /* Sy */ |
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{ macro_text, MDOC_CALLABLE }, /* Tn */ |
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{ NULL, 0 }, /* Ux */ |
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{ NULL, 0 }, /* Xc */ |
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{ NULL, 0 }, /* Xo */ |
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{ NULL, 0 }, /* Fo */ |
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{ NULL, 0 }, /* Fc */ |
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{ NULL, 0 }, /* Oo */ |
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{ NULL, 0 }, /* Oc */ |
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{ NULL, 0 }, /* Bk */ |
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{ NULL, 0 }, /* Ek */ |
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{ NULL, 0 }, /* Bt */ |
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{ NULL, 0 }, /* Hf */ |
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{ NULL, 0 }, /* Fr */ |
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{ NULL, 0 }, /* Ud */ |
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}; |
}; |
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const char * const *mdoc_macronames = __mdoc_macronames; |
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const char * const *mdoc_argnames = __mdoc_argnames; |
const char * const *mdoc_argnames = __mdoc_argnames; |
const struct mdoc_macro * const mdoc_macros = __mdoc_macros; |
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static int mdoc_ptext(struct roff_man *, int, char *, int); |
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static int mdoc_pmacro(struct roff_man *, int, char *, int); |
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static struct mdoc_arg *argdup(size_t, const struct mdoc_arg *); |
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static void argfree(size_t, struct mdoc_arg *); |
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static void argcpy(struct mdoc_arg *, |
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const struct mdoc_arg *); |
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static char **paramdup(size_t, const char **); |
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static void paramfree(size_t, char **); |
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static void mdoc_node_freelist(struct mdoc_node *); |
/* |
static void mdoc_node_append(struct mdoc *, int, |
* Main parse routine. Parses a single line -- really just hands off to |
struct mdoc_node *); |
* the macro (mdoc_pmacro()) or text parser (mdoc_ptext()). |
static void mdoc_elem_free(struct mdoc_elem *); |
*/ |
static void mdoc_text_free(struct mdoc_text *); |
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const struct mdoc_node * |
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mdoc_result(struct mdoc *mdoc) |
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{ |
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return(mdoc->first); |
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} |
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void |
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mdoc_free(struct mdoc *mdoc) |
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{ |
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if (mdoc->first) |
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mdoc_node_freelist(mdoc->first); |
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if (mdoc->htab) |
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mdoc_tokhash_free(mdoc->htab); |
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free(mdoc); |
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} |
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struct mdoc * |
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mdoc_alloc(void *data, const struct mdoc_cb *cb) |
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{ |
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struct mdoc *p; |
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p = xcalloc(1, sizeof(struct mdoc)); |
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p->data = data; |
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(void)memcpy(&p->cb, cb, sizeof(struct mdoc_cb)); |
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p->htab = mdoc_tokhash_alloc(); |
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return(p); |
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} |
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int |
int |
mdoc_parseln(struct mdoc *mdoc, char *buf) |
mdoc_parseln(struct roff_man *mdoc, int ln, char *buf, int offs) |
{ |
{ |
int c, i; |
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char tmp[5]; |
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if ('.' != *buf) { |
if (mdoc->last->type != ROFFT_EQN || ln > mdoc->last->line) |
mdoc_word_alloc(mdoc, 0, buf); |
mdoc->flags |= MDOC_NEWLINE; |
return(1); |
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} |
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if (buf[1] && '\\' == buf[1]) |
/* |
if (buf[2] && '\"' == buf[2]) |
* Let the roff nS register switch SYNOPSIS mode early, |
return(1); |
* such that the parser knows at all times |
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* whether this mode is on or off. |
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* Note that this mode is also switched by the Sh macro. |
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*/ |
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if (roff_getreg(mdoc->roff, "nS")) |
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mdoc->flags |= MDOC_SYNOPSIS; |
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else |
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mdoc->flags &= ~MDOC_SYNOPSIS; |
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i = 1; |
return roff_getcontrol(mdoc->roff, buf, &offs) ? |
while (buf[i] && ! isspace(buf[i]) && i < (int)sizeof(tmp)) |
mdoc_pmacro(mdoc, ln, buf, offs) : |
i++; |
mdoc_ptext(mdoc, ln, buf, offs); |
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if (i == (int)sizeof(tmp)) |
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return(mdoc_err(mdoc, -1, 1, ERR_MACRO_NOTSUP)); |
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else if (i <= 2) |
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return(mdoc_err(mdoc, -1, 1, ERR_MACRO_NOTSUP)); |
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i--; |
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(void)memcpy(tmp, buf + 1, (size_t)i); |
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tmp[i++] = 0; |
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if (MDOC_MAX == (c = mdoc_find(mdoc, tmp))) |
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return(mdoc_err(mdoc, c, 1, ERR_MACRO_NOTSUP)); |
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while (buf[i] && isspace(buf[i])) |
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i++; |
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return(mdoc_macro(mdoc, c, 1, &i, buf)); |
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} |
} |
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void |
void |
mdoc_msg(struct mdoc *mdoc, int pos, const char *fmt, ...) |
mdoc_macro(MACRO_PROT_ARGS) |
{ |
{ |
va_list ap; |
assert(tok >= MDOC_Dd && tok < MDOC_MAX); |
char buf[256]; |
(*mdoc_macros[tok].fp)(mdoc, tok, line, ppos, pos, buf); |
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if (NULL == mdoc->cb.mdoc_msg) |
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return; |
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va_start(ap, fmt); |
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(void)vsnprintf(buf, sizeof(buf), fmt, ap); |
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va_end(ap); |
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(*mdoc->cb.mdoc_msg)(mdoc->data, pos, buf); |
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} |
} |
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void |
int |
mdoc_tail_alloc(struct roff_man *mdoc, int line, int pos, enum roff_tok tok) |
mdoc_err(struct mdoc *mdoc, int tok, int pos, enum mdoc_err type) |
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{ |
{ |
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struct roff_node *p; |
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if (NULL == mdoc->cb.mdoc_err) |
p = roff_node_alloc(mdoc, line, pos, ROFFT_TAIL, tok); |
return(0); |
roff_node_append(mdoc, p); |
return((*mdoc->cb.mdoc_err)(mdoc->data, tok, pos, type)); |
mdoc->next = ROFF_NEXT_CHILD; |
} |
} |
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struct roff_node * |
int |
mdoc_endbody_alloc(struct roff_man *mdoc, int line, int pos, |
mdoc_warn(struct mdoc *mdoc, int tok, int pos, enum mdoc_warn type) |
enum roff_tok tok, struct roff_node *body) |
{ |
{ |
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struct roff_node *p; |
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if (NULL == mdoc->cb.mdoc_warn) |
body->flags |= NODE_ENDED; |
return(0); |
body->parent->flags |= NODE_ENDED; |
return((*mdoc->cb.mdoc_warn)(mdoc->data, tok, pos, type)); |
p = roff_node_alloc(mdoc, line, pos, ROFFT_BODY, tok); |
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p->body = body; |
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p->norm = body->norm; |
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p->end = ENDBODY_SPACE; |
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roff_node_append(mdoc, p); |
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mdoc->next = ROFF_NEXT_SIBLING; |
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return p; |
} |
} |
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struct roff_node * |
int |
mdoc_block_alloc(struct roff_man *mdoc, int line, int pos, |
mdoc_macro(struct mdoc *mdoc, int tok, int ppos, int *pos, char *buf) |
enum roff_tok tok, struct mdoc_arg *args) |
{ |
{ |
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struct roff_node *p; |
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if (NULL == (mdoc_macros[tok].fp)) { |
p = roff_node_alloc(mdoc, line, pos, ROFFT_BLOCK, tok); |
(void)mdoc_err(mdoc, tok, ppos, ERR_MACRO_NOTSUP); |
p->args = args; |
return(0); |
if (p->args) |
} |
(args->refcnt)++; |
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if (1 != ppos && ! (MDOC_CALLABLE & mdoc_macros[tok].flags)) { |
switch (tok) { |
(void)mdoc_err(mdoc, tok, ppos, ERR_MACRO_NOTCALL); |
case MDOC_Bd: |
return(0); |
case MDOC_Bf: |
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case MDOC_Bl: |
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case MDOC_En: |
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case MDOC_Rs: |
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p->norm = mandoc_calloc(1, sizeof(union mdoc_data)); |
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break; |
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default: |
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break; |
} |
} |
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roff_node_append(mdoc, p); |
/*mdoc_msg(mdoc, ppos, "calling `%s'", mdoc_macronames[tok]);*/ |
mdoc->next = ROFF_NEXT_CHILD; |
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return p; |
return((*mdoc_macros[tok].fp)(mdoc, tok, ppos, pos, buf)); |
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} |
} |
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void |
static void |
mdoc_elem_alloc(struct roff_man *mdoc, int line, int pos, |
mdoc_node_append(struct mdoc *mdoc, int pos, struct mdoc_node *p) |
enum roff_tok tok, struct mdoc_arg *args) |
{ |
{ |
const char *nn, *on, *nt, *ot, *act; |
struct roff_node *p; |
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switch (p->type) { |
p = roff_node_alloc(mdoc, line, pos, ROFFT_ELEM, tok); |
case (MDOC_TEXT): |
p->args = args; |
nn = p->data.text.string; |
if (p->args) |
nt = "text"; |
(args->refcnt)++; |
break; |
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case (MDOC_BODY): |
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nn = mdoc_macronames[p->data.body.tok]; |
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nt = "body"; |
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break; |
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case (MDOC_ELEM): |
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nn = mdoc_macronames[p->data.elem.tok]; |
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nt = "elem"; |
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break; |
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case (MDOC_HEAD): |
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nn = mdoc_macronames[p->data.head.tok]; |
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nt = "head"; |
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break; |
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case (MDOC_BLOCK): |
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nn = mdoc_macronames[p->data.block.tok]; |
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nt = "block"; |
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break; |
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default: |
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abort(); |
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/* NOTREACHED */ |
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} |
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if (NULL == mdoc->first) { |
switch (tok) { |
assert(NULL == mdoc->last); |
case MDOC_An: |
mdoc->first = p; |
p->norm = mandoc_calloc(1, sizeof(union mdoc_data)); |
mdoc->last = p; |
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mdoc_msg(mdoc, pos, "parse: root %s `%s'", nt, nn); |
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return; |
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} |
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switch (mdoc->last->type) { |
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case (MDOC_TEXT): |
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on = "<text>"; |
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ot = "text"; |
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break; |
break; |
case (MDOC_BODY): |
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on = mdoc_macronames[mdoc->last->data.body.tok]; |
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ot = "body"; |
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break; |
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case (MDOC_ELEM): |
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on = mdoc_macronames[mdoc->last->data.elem.tok]; |
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ot = "elem"; |
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break; |
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case (MDOC_HEAD): |
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on = mdoc_macronames[mdoc->last->data.head.tok]; |
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ot = "head"; |
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break; |
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case (MDOC_BLOCK): |
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on = mdoc_macronames[mdoc->last->data.block.tok]; |
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ot = "block"; |
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break; |
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default: |
default: |
abort(); |
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/* NOTREACHED */ |
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} |
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switch (p->type) { |
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case (MDOC_BODY): |
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p->parent = mdoc->last->parent; |
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mdoc->last->next = p; |
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p->prev = mdoc->last; |
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act = "sibling"; |
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break; |
break; |
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case (MDOC_HEAD): |
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assert(mdoc->last->type == MDOC_BLOCK); |
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p->parent = mdoc->last; |
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mdoc->last->child = p; |
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act = "child"; |
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break; |
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default: |
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switch (mdoc->last->type) { |
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case (MDOC_BODY): |
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/* FALLTHROUGH */ |
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case (MDOC_HEAD): |
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p->parent = mdoc->last; |
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mdoc->last->child = p; |
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act = "child"; |
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break; |
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default: |
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p->parent = mdoc->last->parent; |
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p->prev = mdoc->last; |
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mdoc->last->next = p; |
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act = "sibling"; |
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break; |
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} |
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break; |
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} |
} |
|
roff_node_append(mdoc, p); |
mdoc_msg(mdoc, pos, "parse: %s `%s' %s %s `%s'", |
mdoc->next = ROFF_NEXT_CHILD; |
nt, nn, act, ot, on); |
|
mdoc->last = p; |
|
} |
} |
|
|
|
|
/* FIXME: deprecate paramsz, params. */ |
|
void |
void |
mdoc_head_alloc(struct mdoc *mdoc, int pos, int tok, |
mdoc_node_relink(struct roff_man *mdoc, struct roff_node *p) |
size_t paramsz, const char **params) |
|
{ |
{ |
struct mdoc_node *p; |
|
|
|
assert(mdoc->first); |
roff_node_unlink(mdoc, p); |
assert(mdoc->last); |
p->prev = p->next = NULL; |
assert(mdoc->last->type == MDOC_BLOCK); |
roff_node_append(mdoc, p); |
assert(mdoc->last->data.block.tok == tok); |
|
|
|
p = xcalloc(1, sizeof(struct mdoc_node)); |
|
p->type = MDOC_HEAD; |
|
p->data.head.tok = tok; |
|
p->data.head.sz = paramsz; |
|
p->data.head.args = paramdup(paramsz, params); |
|
|
|
mdoc_node_append(mdoc, pos, p); |
|
} |
} |
|
|
|
/* |
void |
* Parse free-form text, that is, a line that does not begin with the |
mdoc_body_alloc(struct mdoc *mdoc, int pos, int tok) |
* control character. |
|
*/ |
|
static int |
|
mdoc_ptext(struct roff_man *mdoc, int line, char *buf, int offs) |
{ |
{ |
struct mdoc_node *p; |
struct roff_node *n; |
|
char *c, *ws, *end; |
|
|
assert(mdoc->first); |
n = mdoc->last; |
assert(mdoc->last); |
|
assert((mdoc->last->type == MDOC_BLOCK) || |
|
(mdoc->last->type == MDOC_HEAD)); |
|
if (mdoc->last->type == MDOC_BLOCK) |
|
assert(mdoc->last->data.block.tok == tok); |
|
else |
|
assert(mdoc->last->data.head.tok == tok); |
|
|
|
p = xcalloc(1, sizeof(struct mdoc_node)); |
/* |
|
* If a column list contains plain text, assume an implicit item |
|
* macro. This can happen one or more times at the beginning |
|
* of such a list, intermixed with non-It mdoc macros and with |
|
* nodes generated on the roff level, for example by tbl. |
|
*/ |
|
|
p->type = MDOC_BODY; |
if ((n->tok == MDOC_Bl && n->type == ROFFT_BODY && |
p->data.body.tok = tok; |
n->end == ENDBODY_NOT && n->norm->Bl.type == LIST_column) || |
|
(n->parent != NULL && n->parent->tok == MDOC_Bl && |
|
n->parent->norm->Bl.type == LIST_column)) { |
|
mdoc->flags |= MDOC_FREECOL; |
|
mdoc_macro(mdoc, MDOC_It, line, offs, &offs, buf); |
|
return 1; |
|
} |
|
|
mdoc_node_append(mdoc, pos, p); |
/* |
} |
* Search for the beginning of unescaped trailing whitespace (ws) |
|
* and for the first character not to be output (end). |
|
*/ |
|
|
|
/* FIXME: replace with strcspn(). */ |
|
ws = NULL; |
|
for (c = end = buf + offs; *c; c++) { |
|
switch (*c) { |
|
case ' ': |
|
if (NULL == ws) |
|
ws = c; |
|
continue; |
|
case '\t': |
|
/* |
|
* Always warn about trailing tabs, |
|
* even outside literal context, |
|
* where they should be put on the next line. |
|
*/ |
|
if (NULL == ws) |
|
ws = c; |
|
/* |
|
* Strip trailing tabs in literal context only; |
|
* outside, they affect the next line. |
|
*/ |
|
if (MDOC_LITERAL & mdoc->flags) |
|
continue; |
|
break; |
|
case '\\': |
|
/* Skip the escaped character, too, if any. */ |
|
if (c[1]) |
|
c++; |
|
/* FALLTHROUGH */ |
|
default: |
|
ws = NULL; |
|
break; |
|
} |
|
end = c + 1; |
|
} |
|
*end = '\0'; |
|
|
void |
if (ws) |
mdoc_block_alloc(struct mdoc *mdoc, int pos, int tok, |
mandoc_msg(MANDOCERR_SPACE_EOL, mdoc->parse, |
size_t argsz, const struct mdoc_arg *args) |
line, (int)(ws-buf), NULL); |
{ |
|
struct mdoc_node *p; |
|
|
|
p = xcalloc(1, sizeof(struct mdoc_node)); |
if (buf[offs] == '\0' && ! (mdoc->flags & MDOC_LITERAL)) { |
|
mandoc_msg(MANDOCERR_FI_BLANK, mdoc->parse, |
|
line, (int)(c - buf), NULL); |
|
|
p->type = MDOC_BLOCK; |
/* |
p->data.block.tok = tok; |
* Insert a `sp' in the case of a blank line. Technically, |
p->data.block.argc = argsz; |
* blank lines aren't allowed, but enough manuals assume this |
p->data.block.argv = argdup(argsz, args); |
* behaviour that we want to work around it. |
|
*/ |
|
roff_elem_alloc(mdoc, line, offs, MDOC_sp); |
|
mdoc->last->flags |= NODE_VALID | NODE_ENDED; |
|
mdoc->next = ROFF_NEXT_SIBLING; |
|
return 1; |
|
} |
|
|
mdoc_node_append(mdoc, pos, p); |
roff_word_alloc(mdoc, line, offs, buf+offs); |
} |
|
|
|
|
if (mdoc->flags & MDOC_LITERAL) |
|
return 1; |
|
|
void |
/* |
mdoc_elem_alloc(struct mdoc *mdoc, int pos, int tok, |
* End-of-sentence check. If the last character is an unescaped |
size_t argsz, const struct mdoc_arg *args, |
* EOS character, then flag the node as being the end of a |
size_t paramsz, const char **params) |
* sentence. The front-end will know how to interpret this. |
{ |
*/ |
struct mdoc_node *p; |
|
|
|
p = xcalloc(1, sizeof(struct mdoc_node)); |
assert(buf < end); |
p->type = MDOC_ELEM; |
|
p->data.elem.tok = tok; |
|
p->data.elem.sz = paramsz; |
|
p->data.elem.args = paramdup(paramsz, params); |
|
p->data.elem.argc = argsz; |
|
p->data.elem.argv = argdup(argsz, args); |
|
|
|
mdoc_node_append(mdoc, pos, p); |
if (mandoc_eos(buf+offs, (size_t)(end-buf-offs))) |
} |
mdoc->last->flags |= NODE_EOS; |
|
|
|
for (c = buf + offs; c != NULL; c = strchr(c + 1, '.')) { |
|
if (c - buf < offs + 2) |
|
continue; |
|
if (end - c < 4) |
|
break; |
|
if (isalpha((unsigned char)c[-2]) && |
|
isalpha((unsigned char)c[-1]) && |
|
c[1] == ' ' && |
|
isupper((unsigned char)(c[2] == ' ' ? c[3] : c[2])) && |
|
(c[-2] != 'n' || c[-1] != 'c') && |
|
(c[-2] != 'v' || c[-1] != 's')) |
|
mandoc_msg(MANDOCERR_EOS, mdoc->parse, |
|
line, (int)(c - buf), NULL); |
|
} |
|
|
void |
return 1; |
mdoc_word_alloc(struct mdoc *mdoc, int pos, const char *word) |
|
{ |
|
struct mdoc_node *p; |
|
|
|
p = xcalloc(1, sizeof(struct mdoc_node)); |
|
p->type = MDOC_TEXT; |
|
p->data.text.string = xstrdup(word); |
|
|
|
mdoc_node_append(mdoc, pos, p); |
|
} |
} |
|
|
|
/* |
static void |
* Parse a macro line, that is, a line beginning with the control |
argfree(size_t sz, struct mdoc_arg *p) |
* character. |
|
*/ |
|
static int |
|
mdoc_pmacro(struct roff_man *mdoc, int ln, char *buf, int offs) |
{ |
{ |
int i, j; |
struct roff_node *n; |
|
const char *cp; |
|
size_t sz; |
|
enum roff_tok tok; |
|
int sv; |
|
|
if (0 == sz) |
/* Determine the line macro. */ |
return; |
|
|
|
assert(p); |
sv = offs; |
/* LINTED */ |
tok = TOKEN_NONE; |
for (i = 0; i < (int)sz; i++) |
for (sz = 0; sz < 4 && strchr(" \t\\", buf[offs]) == NULL; sz++) |
if (p[i].sz > 0) { |
offs++; |
assert(p[i].value); |
if (sz == 2 || sz == 3) |
/* LINTED */ |
tok = roffhash_find(mdoc->mdocmac, buf + sv, sz); |
for (j = 0; j < (int)p[i].sz; j++) |
if (tok == TOKEN_NONE) { |
free(p[i].value[j]); |
mandoc_msg(MANDOCERR_MACRO, mdoc->parse, |
} |
ln, sv, buf + sv - 1); |
free(p); |
return 1; |
} |
} |
|
|
|
/* Skip a leading escape sequence or tab. */ |
|
|
static void |
switch (buf[offs]) { |
mdoc_elem_free(struct mdoc_elem *p) |
case '\\': |
{ |
cp = buf + offs + 1; |
|
mandoc_escape(&cp, NULL, NULL); |
paramfree(p->sz, p->args); |
offs = cp - buf; |
argfree(p->argc, p->argv); |
|
} |
|
|
|
|
|
static void |
|
mdoc_block_free(struct mdoc_block *p) |
|
{ |
|
|
|
argfree(p->argc, p->argv); |
|
} |
|
|
|
|
|
static void |
|
mdoc_text_free(struct mdoc_text *p) |
|
{ |
|
|
|
if (p->string) |
|
free(p->string); |
|
} |
|
|
|
|
|
static void |
|
mdoc_head_free(struct mdoc_head *p) |
|
{ |
|
|
|
paramfree(p->sz, p->args); |
|
} |
|
|
|
|
|
void |
|
mdoc_node_free(struct mdoc_node *p) |
|
{ |
|
|
|
switch (p->type) { |
|
case (MDOC_TEXT): |
|
mdoc_text_free(&p->data.text); |
|
break; |
break; |
case (MDOC_ELEM): |
case '\t': |
mdoc_elem_free(&p->data.elem); |
offs++; |
break; |
break; |
case (MDOC_BLOCK): |
|
mdoc_block_free(&p->data.block); |
|
break; |
|
case (MDOC_HEAD): |
|
mdoc_head_free(&p->data.head); |
|
break; |
|
default: |
default: |
break; |
break; |
} |
} |
|
|
free(p); |
/* Jump to the next non-whitespace word. */ |
} |
|
|
|
|
while (buf[offs] == ' ') |
|
offs++; |
|
|
static void |
/* |
mdoc_node_freelist(struct mdoc_node *p) |
* Trailing whitespace. Note that tabs are allowed to be passed |
{ |
* into the parser as "text", so we only warn about spaces here. |
|
*/ |
|
|
if (p->child) |
if ('\0' == buf[offs] && ' ' == buf[offs - 1]) |
mdoc_node_freelist(p->child); |
mandoc_msg(MANDOCERR_SPACE_EOL, mdoc->parse, |
if (p->next) |
ln, offs - 1, NULL); |
mdoc_node_freelist(p->next); |
|
|
|
mdoc_node_free(p); |
/* |
} |
* If an initial macro or a list invocation, divert directly |
|
* into macro processing. |
|
*/ |
|
|
|
n = mdoc->last; |
|
if (n == NULL || tok == MDOC_It || tok == MDOC_El) { |
|
mdoc_macro(mdoc, tok, ln, sv, &offs, buf); |
|
return 1; |
|
} |
|
|
int |
/* |
mdoc_find(const struct mdoc *mdoc, const char *key) |
* If a column list contains a non-It macro, assume an implicit |
{ |
* item macro. This can happen one or more times at the |
|
* beginning of such a list, intermixed with text lines and |
|
* with nodes generated on the roff level, for example by tbl. |
|
*/ |
|
|
return(mdoc_tokhash_find(mdoc->htab, key)); |
if ((n->tok == MDOC_Bl && n->type == ROFFT_BODY && |
} |
n->end == ENDBODY_NOT && n->norm->Bl.type == LIST_column) || |
|
(n->parent != NULL && n->parent->tok == MDOC_Bl && |
|
n->parent->norm->Bl.type == LIST_column)) { |
|
mdoc->flags |= MDOC_FREECOL; |
|
mdoc_macro(mdoc, MDOC_It, ln, sv, &sv, buf); |
|
return 1; |
|
} |
|
|
|
/* Normal processing of a macro. */ |
|
|
static void |
mdoc_macro(mdoc, tok, ln, sv, &offs, buf); |
argcpy(struct mdoc_arg *dst, const struct mdoc_arg *src) |
|
{ |
|
int i; |
|
|
|
dst->arg = src->arg; |
/* In quick mode (for mandocdb), abort after the NAME section. */ |
if (0 == (dst->sz = src->sz)) |
|
return; |
|
dst->value = xcalloc(dst->sz, sizeof(char *)); |
|
for (i = 0; i < (int)dst->sz; i++) |
|
dst->value[i] = xstrdup(src->value[i]); |
|
} |
|
|
|
|
if (mdoc->quick && MDOC_Sh == tok && |
|
SEC_NAME != mdoc->last->sec) |
|
return 2; |
|
|
static struct mdoc_arg * |
return 1; |
argdup(size_t argsz, const struct mdoc_arg *args) |
} |
|
|
|
enum mdelim |
|
mdoc_isdelim(const char *p) |
{ |
{ |
struct mdoc_arg *pp; |
|
int i; |
|
|
|
if (0 == argsz) |
if ('\0' == p[0]) |
return(NULL); |
return DELIM_NONE; |
|
|
pp = xcalloc((size_t)argsz, sizeof(struct mdoc_arg)); |
if ('\0' == p[1]) |
for (i = 0; i < (int)argsz; i++) |
switch (p[0]) { |
argcpy(&pp[i], &args[i]); |
case '(': |
|
case '[': |
|
return DELIM_OPEN; |
|
case '|': |
|
return DELIM_MIDDLE; |
|
case '.': |
|
case ',': |
|
case ';': |
|
case ':': |
|
case '?': |
|
case '!': |
|
case ')': |
|
case ']': |
|
return DELIM_CLOSE; |
|
default: |
|
return DELIM_NONE; |
|
} |
|
|
return(pp); |
if ('\\' != p[0]) |
} |
return DELIM_NONE; |
|
|
|
if (0 == strcmp(p + 1, ".")) |
|
return DELIM_CLOSE; |
|
if (0 == strcmp(p + 1, "fR|\\fP")) |
|
return DELIM_MIDDLE; |
|
|
static void |
return DELIM_NONE; |
paramfree(size_t sz, char **p) |
|
{ |
|
int i; |
|
|
|
if (0 == sz) |
|
return; |
|
|
|
assert(p); |
|
/* LINTED */ |
|
for (i = 0; i < (int)sz; i++) |
|
free(p[i]); |
|
free(p); |
|
} |
} |
|
|
|
void |
static char ** |
mdoc_validate(struct roff_man *mdoc) |
paramdup(size_t sz, const char **p) |
|
{ |
{ |
char **pp; |
|
int i; |
|
|
|
if (0 == sz) |
mdoc->last = mdoc->first; |
return(NULL); |
mdoc_node_validate(mdoc); |
|
mdoc_state_reset(mdoc); |
pp = xcalloc(sz, sizeof(char *)); |
|
for (i = 0; i < (int)sz; i++) |
|
pp[i] = xstrdup(p[i]); |
|
|
|
return(pp); |
|
} |
} |