version 1.139, 2014/09/06 23:24:32 |
version 1.167, 2017/01/10 13:47:00 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2013, 2014 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2013, 2014, 2015 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2011 Joerg Sonnenberger <joerg@netbsd.org> |
* Copyright (c) 2011 Joerg Sonnenberger <joerg@netbsd.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 |
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#include <stdio.h> |
#include <stdio.h> |
#include <string.h> |
#include <string.h> |
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#include "man.h" |
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#include "mandoc.h" |
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#include "mandoc_aux.h" |
#include "mandoc_aux.h" |
#include "libman.h" |
#include "mandoc.h" |
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#include "roff.h" |
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#include "man.h" |
#include "libmandoc.h" |
#include "libmandoc.h" |
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#include "roff_int.h" |
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#include "libman.h" |
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const char *const __man_macronames[MAN_MAX] = { |
const char *const __man_macronames[MAN_MAX] = { |
"br", "TH", "SH", "SS", |
"br", "TH", "SH", "SS", |
Line 39 const char *const __man_macronames[MAN_MAX] = { |
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Line 41 const char *const __man_macronames[MAN_MAX] = { |
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"IP", "HP", "SM", "SB", |
"IP", "HP", "SM", "SB", |
"BI", "IB", "BR", "RB", |
"BI", "IB", "BR", "RB", |
"R", "B", "I", "IR", |
"R", "B", "I", "IR", |
"RI", "na", "sp", "nf", |
"RI", "sp", "nf", |
"fi", "RE", "RS", "DT", |
"fi", "RE", "RS", "DT", |
"UC", "PD", "AT", "in", |
"UC", "PD", "AT", "in", |
"ft", "OP", "EX", "EE", |
"ft", "OP", "EX", "EE", |
Line 48 const char *const __man_macronames[MAN_MAX] = { |
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Line 50 const char *const __man_macronames[MAN_MAX] = { |
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const char * const *man_macronames = __man_macronames; |
const char * const *man_macronames = __man_macronames; |
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static struct man_node *man_node_alloc(struct man *, int, int, |
static void man_descope(struct roff_man *, int, int); |
enum man_type, enum mant); |
static int man_ptext(struct roff_man *, int, char *, int); |
static int man_node_append(struct man *, |
static int man_pmacro(struct roff_man *, int, char *, int); |
struct man_node *); |
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static void man_node_free(struct man_node *); |
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static void man_node_unlink(struct man *, |
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struct man_node *); |
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static int man_ptext(struct man *, int, char *, int); |
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static int man_pmacro(struct man *, int, char *, int); |
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static void man_free1(struct man *); |
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static void man_alloc1(struct man *); |
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static int man_descope(struct man *, int, int); |
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const struct man_node * |
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man_node(const struct man *man) |
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{ |
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return(man->first); |
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} |
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const struct man_meta * |
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man_meta(const struct man *man) |
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{ |
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return(&man->meta); |
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} |
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void |
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man_reset(struct man *man) |
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{ |
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man_free1(man); |
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man_alloc1(man); |
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} |
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void |
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man_free(struct man *man) |
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{ |
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man_free1(man); |
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free(man); |
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} |
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struct man * |
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man_alloc(struct roff *roff, struct mparse *parse, int quick) |
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{ |
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struct man *p; |
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p = mandoc_calloc(1, sizeof(struct man)); |
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man_hash_init(); |
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p->parse = parse; |
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p->quick = quick; |
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p->roff = roff; |
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man_alloc1(p); |
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return(p); |
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} |
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int |
int |
man_endparse(struct man *man) |
man_parseln(struct roff_man *man, int ln, char *buf, int offs) |
{ |
{ |
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return(man_macroend(man)); |
if (man->last->type != ROFFT_EQN || ln > man->last->line) |
} |
man->flags |= MAN_NEWLINE; |
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int |
return roff_getcontrol(man->roff, buf, &offs) ? |
man_parseln(struct man *man, int ln, char *buf, int offs) |
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{ |
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man->flags |= MAN_NEWLINE; |
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return (roff_getcontrol(man->roff, buf, &offs) ? |
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man_pmacro(man, ln, buf, offs) : |
man_pmacro(man, ln, buf, offs) : |
man_ptext(man, ln, buf, offs)); |
man_ptext(man, ln, buf, offs); |
} |
} |
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static void |
static void |
man_free1(struct man *man) |
man_descope(struct roff_man *man, int line, int offs) |
{ |
{ |
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if (man->first) |
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man_node_delete(man, man->first); |
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if (man->meta.title) |
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free(man->meta.title); |
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if (man->meta.source) |
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free(man->meta.source); |
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if (man->meta.date) |
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free(man->meta.date); |
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if (man->meta.vol) |
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free(man->meta.vol); |
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if (man->meta.msec) |
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free(man->meta.msec); |
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} |
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static void |
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man_alloc1(struct man *man) |
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{ |
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memset(&man->meta, 0, sizeof(struct man_meta)); |
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man->flags = 0; |
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man->last = mandoc_calloc(1, sizeof(struct man_node)); |
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man->first = man->last; |
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man->last->type = MAN_ROOT; |
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man->last->tok = MAN_MAX; |
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man->next = MAN_NEXT_CHILD; |
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} |
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static int |
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man_node_append(struct man *man, struct man_node *p) |
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{ |
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assert(man->last); |
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assert(man->first); |
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assert(MAN_ROOT != p->type); |
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switch (man->next) { |
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case MAN_NEXT_SIBLING: |
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man->last->next = p; |
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p->prev = man->last; |
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p->parent = man->last->parent; |
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break; |
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case MAN_NEXT_CHILD: |
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man->last->child = p; |
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p->parent = man->last; |
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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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assert(p->parent); |
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p->parent->nchild++; |
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switch (p->type) { |
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case MAN_BLOCK: |
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if (p->tok == MAN_SH || p->tok == MAN_SS) |
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man->flags &= ~MAN_LITERAL; |
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break; |
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case MAN_HEAD: |
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assert(MAN_BLOCK == p->parent->type); |
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p->parent->head = p; |
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break; |
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case MAN_TAIL: |
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assert(MAN_BLOCK == p->parent->type); |
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p->parent->tail = p; |
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break; |
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case MAN_BODY: |
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assert(MAN_BLOCK == p->parent->type); |
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p->parent->body = p; |
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break; |
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default: |
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break; |
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} |
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man->last = p; |
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switch (p->type) { |
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case MAN_TBL: |
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/* FALLTHROUGH */ |
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case MAN_TEXT: |
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if ( ! man_valid_post(man)) |
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return(0); |
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break; |
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default: |
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break; |
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} |
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return(1); |
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} |
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static struct man_node * |
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man_node_alloc(struct man *man, int line, int pos, |
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enum man_type type, enum mant tok) |
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{ |
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struct man_node *p; |
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p = mandoc_calloc(1, sizeof(struct man_node)); |
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p->line = line; |
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p->pos = pos; |
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p->type = type; |
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p->tok = tok; |
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if (MAN_NEWLINE & man->flags) |
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p->flags |= MAN_LINE; |
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man->flags &= ~MAN_NEWLINE; |
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return(p); |
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} |
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int |
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man_elem_alloc(struct man *man, int line, int pos, enum mant tok) |
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{ |
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struct man_node *p; |
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p = man_node_alloc(man, line, pos, MAN_ELEM, tok); |
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if ( ! man_node_append(man, p)) |
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return(0); |
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man->next = MAN_NEXT_CHILD; |
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return(1); |
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} |
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int |
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man_tail_alloc(struct man *man, int line, int pos, enum mant tok) |
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{ |
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struct man_node *p; |
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p = man_node_alloc(man, line, pos, MAN_TAIL, tok); |
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if ( ! man_node_append(man, p)) |
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return(0); |
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man->next = MAN_NEXT_CHILD; |
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return(1); |
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} |
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int |
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man_head_alloc(struct man *man, int line, int pos, enum mant tok) |
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{ |
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struct man_node *p; |
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p = man_node_alloc(man, line, pos, MAN_HEAD, tok); |
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if ( ! man_node_append(man, p)) |
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return(0); |
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man->next = MAN_NEXT_CHILD; |
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return(1); |
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} |
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int |
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man_body_alloc(struct man *man, int line, int pos, enum mant tok) |
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{ |
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struct man_node *p; |
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p = man_node_alloc(man, line, pos, MAN_BODY, tok); |
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if ( ! man_node_append(man, p)) |
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return(0); |
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man->next = MAN_NEXT_CHILD; |
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return(1); |
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} |
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int |
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man_block_alloc(struct man *man, int line, int pos, enum mant tok) |
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{ |
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struct man_node *p; |
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p = man_node_alloc(man, line, pos, MAN_BLOCK, tok); |
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if ( ! man_node_append(man, p)) |
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return(0); |
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man->next = MAN_NEXT_CHILD; |
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return(1); |
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} |
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int |
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man_word_alloc(struct man *man, int line, int pos, const char *word) |
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{ |
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struct man_node *n; |
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n = man_node_alloc(man, line, pos, MAN_TEXT, MAN_MAX); |
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n->string = roff_strdup(man->roff, word); |
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if ( ! man_node_append(man, n)) |
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return(0); |
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man->next = MAN_NEXT_SIBLING; |
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return(1); |
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} |
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/* |
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* Free all of the resources held by a node. This does NOT unlink a |
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* node from its context; for that, see man_node_unlink(). |
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*/ |
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static void |
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man_node_free(struct man_node *p) |
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{ |
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if (p->string) |
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free(p->string); |
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free(p); |
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} |
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void |
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man_node_delete(struct man *man, struct man_node *p) |
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{ |
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while (p->child) |
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man_node_delete(man, p->child); |
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man_node_unlink(man, p); |
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man_node_free(p); |
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} |
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int |
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man_addeqn(struct man *man, const struct eqn *ep) |
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{ |
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struct man_node *n; |
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n = man_node_alloc(man, ep->ln, ep->pos, MAN_EQN, MAN_MAX); |
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n->eqn = ep; |
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if ( ! man_node_append(man, n)) |
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return(0); |
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man->next = MAN_NEXT_SIBLING; |
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return(man_descope(man, ep->ln, ep->pos)); |
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} |
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int |
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man_addspan(struct man *man, const struct tbl_span *sp) |
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{ |
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struct man_node *n; |
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n = man_node_alloc(man, sp->line, 0, MAN_TBL, MAN_MAX); |
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n->span = sp; |
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if ( ! man_node_append(man, n)) |
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return(0); |
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man->next = MAN_NEXT_SIBLING; |
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return(man_descope(man, sp->line, 0)); |
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} |
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static int |
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man_descope(struct man *man, int line, int offs) |
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{ |
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/* |
/* |
* Co-ordinate what happens with having a next-line scope open: |
* Co-ordinate what happens with having a next-line scope open: |
* first close out the element scope (if applicable), then close |
* first close out the element scope (if applicable), then close |
* out the block scope (also if applicable). |
* out the block scope (also if applicable). |
*/ |
*/ |
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if (MAN_ELINE & man->flags) { |
if (man->flags & MAN_ELINE) { |
man->flags &= ~MAN_ELINE; |
man->flags &= ~MAN_ELINE; |
if ( ! man_unscope(man, man->last->parent)) |
man_unscope(man, man->last->parent); |
return(0); |
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} |
} |
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if ( ! (man->flags & MAN_BLINE)) |
if ( ! (MAN_BLINE & man->flags)) |
return; |
return(1); |
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man->flags &= ~MAN_BLINE; |
man->flags &= ~MAN_BLINE; |
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man_unscope(man, man->last->parent); |
if ( ! man_unscope(man, man->last->parent)) |
roff_body_alloc(man, line, offs, man->last->tok); |
return(0); |
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return(man_body_alloc(man, line, offs, man->last->tok)); |
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} |
} |
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static int |
static int |
man_ptext(struct man *man, int line, char *buf, int offs) |
man_ptext(struct roff_man *man, int line, char *buf, int offs) |
{ |
{ |
int i; |
int i; |
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/* Literal free-form text whitespace is preserved. */ |
/* Literal free-form text whitespace is preserved. */ |
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if (MAN_LITERAL & man->flags) { |
if (man->flags & MAN_LITERAL) { |
if ( ! man_word_alloc(man, line, offs, buf + offs)) |
roff_word_alloc(man, line, offs, buf + offs); |
return(0); |
man_descope(man, line, offs); |
return(man_descope(man, line, offs)); |
return 1; |
} |
} |
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for (i = offs; ' ' == buf[i]; i++) |
for (i = offs; buf[i] == ' '; i++) |
/* Skip leading whitespace. */ ; |
/* Skip leading whitespace. */ ; |
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/* |
/* |
Line 413 man_ptext(struct man *man, int line, char *buf, int of |
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Line 108 man_ptext(struct man *man, int line, char *buf, int of |
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* but add a single vertical space elsewhere. |
* but add a single vertical space elsewhere. |
*/ |
*/ |
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if ('\0' == buf[i]) { |
if (buf[i] == '\0') { |
/* Allocate a blank entry. */ |
/* Allocate a blank entry. */ |
if (MAN_SH != man->last->tok && |
if (man->last->tok != MAN_SH && |
MAN_SS != man->last->tok) { |
man->last->tok != MAN_SS) { |
if ( ! man_elem_alloc(man, line, offs, MAN_sp)) |
roff_elem_alloc(man, line, offs, MAN_sp); |
return(0); |
man->next = ROFF_NEXT_SIBLING; |
man->next = MAN_NEXT_SIBLING; |
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} |
} |
return(1); |
return 1; |
} |
} |
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/* |
/* |
Line 445 man_ptext(struct man *man, int line, char *buf, int of |
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Line 139 man_ptext(struct man *man, int line, char *buf, int of |
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buf[i] = '\0'; |
buf[i] = '\0'; |
} |
} |
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roff_word_alloc(man, line, offs, buf + offs); |
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if ( ! man_word_alloc(man, line, offs, buf + offs)) |
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return(0); |
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/* |
/* |
* End-of-sentence check. If the last character is an unescaped |
* End-of-sentence check. If the last character is an unescaped |
* EOS character, then flag the node as being the end of a |
* EOS character, then flag the node as being the end of a |
Line 457 man_ptext(struct man *man, int line, char *buf, int of |
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Line 149 man_ptext(struct man *man, int line, char *buf, int of |
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assert(i); |
assert(i); |
if (mandoc_eos(buf, (size_t)i)) |
if (mandoc_eos(buf, (size_t)i)) |
man->last->flags |= MAN_EOS; |
man->last->flags |= NODE_EOS; |
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return(man_descope(man, line, offs)); |
man_descope(man, line, offs); |
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return 1; |
} |
} |
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static int |
static int |
man_pmacro(struct man *man, int ln, char *buf, int offs) |
man_pmacro(struct roff_man *man, int ln, char *buf, int offs) |
{ |
{ |
char mac[5]; |
struct roff_node *n; |
struct man_node *n; |
const char *cp; |
enum mant tok; |
int tok; |
int i, ppos; |
int i, ppos; |
int bline; |
int bline; |
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char mac[5]; |
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ppos = offs; |
ppos = offs; |
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/* |
/* |
* Copy the first word into a nil-terminated buffer. |
* Copy the first word into a nil-terminated buffer. |
* Stop copying when a tab, space, or eoln is encountered. |
* Stop when a space, tab, escape, or eoln is encountered. |
*/ |
*/ |
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i = 0; |
i = 0; |
while (i < 4 && '\0' != buf[offs] && ' ' != buf[offs] && |
while (i < 4 && strchr(" \t\\", buf[offs]) == NULL) |
'\t' != buf[offs]) |
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mac[i++] = buf[offs++]; |
mac[i++] = buf[offs++]; |
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mac[i] = '\0'; |
mac[i] = '\0'; |
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tok = (i > 0 && i < 4) ? man_hash_find(mac) : MAN_MAX; |
tok = (i > 0 && i < 4) ? man_hash_find(mac) : TOKEN_NONE; |
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if (MAN_MAX == tok) { |
if (tok == TOKEN_NONE) { |
mandoc_msg(MANDOCERR_MACRO, man->parse, |
mandoc_msg(MANDOCERR_MACRO, man->parse, |
ln, ppos, buf + ppos - 1); |
ln, ppos, buf + ppos - 1); |
return(1); |
return 1; |
} |
} |
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/* The macro is sane. Jump to the next word. */ |
/* Skip a leading escape sequence or tab. */ |
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while (buf[offs] && ' ' == buf[offs]) |
switch (buf[offs]) { |
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case '\\': |
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cp = buf + offs + 1; |
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mandoc_escape(&cp, NULL, NULL); |
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offs = cp - buf; |
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break; |
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case '\t': |
offs++; |
offs++; |
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break; |
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default: |
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break; |
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} |
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|
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/* Jump to the next non-whitespace word. */ |
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|
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while (buf[offs] && buf[offs] == ' ') |
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offs++; |
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/* |
/* |
* Trailing whitespace. Note that tabs are allowed to be passed |
* Trailing whitespace. Note that tabs are allowed to be passed |
* into the parser as "text", so we only warn about spaces here. |
* into the parser as "text", so we only warn about spaces here. |
*/ |
*/ |
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if ('\0' == buf[offs] && ' ' == buf[offs - 1]) |
if (buf[offs] == '\0' && buf[offs - 1] == ' ') |
mandoc_msg(MANDOCERR_SPACE_EOL, man->parse, |
mandoc_msg(MANDOCERR_SPACE_EOL, man->parse, |
ln, offs - 1, NULL); |
ln, offs - 1, NULL); |
|
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/* |
/* |
* Remove prior ELINE macro, as it's being clobbered by a new |
* Some macros break next-line scopes; otherwise, remember |
* macro. Note that NSCOPED macros do not close out ELINE |
* whether we are in next-line scope for a block head. |
* macros---they don't print text---so we let those slip by. |
|
*/ |
*/ |
|
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if ( ! (MAN_NSCOPED & man_macros[tok].flags) && |
man_breakscope(man, tok); |
man->flags & MAN_ELINE) { |
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n = man->last; |
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assert(MAN_TEXT != n->type); |
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|
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/* Remove repeated NSCOPED macros causing ELINE. */ |
|
|
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if (MAN_NSCOPED & man_macros[n->tok].flags) |
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n = n->parent; |
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|
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mandoc_vmsg(MANDOCERR_BLK_LINE, man->parse, n->line, |
|
n->pos, "%s breaks %s", man_macronames[tok], |
|
man_macronames[n->tok]); |
|
|
|
man_node_delete(man, n); |
|
man->flags &= ~MAN_ELINE; |
|
} |
|
|
|
/* |
|
* Remove prior BLINE macro that is being clobbered. |
|
*/ |
|
if ((man->flags & MAN_BLINE) && |
|
(MAN_BSCOPE & man_macros[tok].flags)) { |
|
n = man->last; |
|
|
|
/* Might be a text node like 8 in |
|
* .TP 8 |
|
* .SH foo |
|
*/ |
|
if (MAN_TEXT == n->type) |
|
n = n->parent; |
|
|
|
/* Remove element that didn't end BLINE, if any. */ |
|
if ( ! (MAN_BSCOPE & man_macros[n->tok].flags)) |
|
n = n->parent; |
|
|
|
assert(MAN_HEAD == n->type); |
|
n = n->parent; |
|
assert(MAN_BLOCK == n->type); |
|
assert(MAN_SCOPED & man_macros[n->tok].flags); |
|
|
|
mandoc_vmsg(MANDOCERR_BLK_LINE, man->parse, n->line, |
|
n->pos, "%s breaks %s", man_macronames[tok], |
|
man_macronames[n->tok]); |
|
|
|
man_node_delete(man, n); |
|
man->flags &= ~MAN_BLINE; |
|
} |
|
|
|
/* Remember whether we are in next-line scope for a block head. */ |
|
|
|
bline = man->flags & MAN_BLINE; |
bline = man->flags & MAN_BLINE; |
|
|
/* Call to handler... */ |
/* Call to handler... */ |
|
|
assert(man_macros[tok].fp); |
assert(man_macros[tok].fp); |
if ( ! (*man_macros[tok].fp)(man, tok, ln, ppos, &offs, buf)) |
(*man_macros[tok].fp)(man, tok, ln, ppos, &offs, buf); |
return(0); |
|
|
|
/* In quick mode (for mandocdb), abort after the NAME section. */ |
/* In quick mode (for mandocdb), abort after the NAME section. */ |
|
|
if (man->quick && MAN_SH == tok) { |
if (man->quick && tok == MAN_SH) { |
n = man->last; |
n = man->last; |
if (MAN_BODY == n->type && |
if (n->type == ROFFT_BODY && |
strcmp(n->prev->child->string, "NAME")) |
strcmp(n->prev->child->string, "NAME")) |
return(2); |
return 2; |
} |
} |
|
|
/* |
/* |
Line 589 man_pmacro(struct man *man, int ln, char *buf, int off |
|
Line 245 man_pmacro(struct man *man, int ln, char *buf, int off |
|
|
|
if ( ! bline || man->flags & MAN_ELINE || |
if ( ! bline || man->flags & MAN_ELINE || |
man_macros[tok].flags & MAN_NSCOPED) |
man_macros[tok].flags & MAN_NSCOPED) |
return(1); |
return 1; |
|
|
assert(MAN_BLINE & man->flags); |
assert(man->flags & MAN_BLINE); |
man->flags &= ~MAN_BLINE; |
man->flags &= ~MAN_BLINE; |
|
|
if ( ! man_unscope(man, man->last->parent)) |
man_unscope(man, man->last->parent); |
return(0); |
roff_body_alloc(man, ln, ppos, man->last->tok); |
return(man_body_alloc(man, ln, ppos, man->last->tok)); |
return 1; |
} |
} |
|
|
/* |
void |
* Unlink a node from its context. If "man" is provided, the last parse |
man_breakscope(struct roff_man *man, int tok) |
* point will also be adjusted accordingly. |
|
*/ |
|
static void |
|
man_node_unlink(struct man *man, struct man_node *n) |
|
{ |
{ |
|
struct roff_node *n; |
|
|
/* Adjust siblings. */ |
/* |
|
* An element next line scope is open, |
|
* and the new macro is not allowed inside elements. |
|
* Delete the element that is being broken. |
|
*/ |
|
|
if (n->prev) |
if (man->flags & MAN_ELINE && (tok == TOKEN_NONE || |
n->prev->next = n->next; |
! (man_macros[tok].flags & MAN_NSCOPED))) { |
if (n->next) |
n = man->last; |
n->next->prev = n->prev; |
assert(n->type != ROFFT_TEXT); |
|
if (man_macros[n->tok].flags & MAN_NSCOPED) |
|
n = n->parent; |
|
|
/* Adjust parent. */ |
mandoc_vmsg(MANDOCERR_BLK_LINE, man->parse, |
|
n->line, n->pos, "%s breaks %s", |
|
tok == TOKEN_NONE ? "TS" : man_macronames[tok], |
|
man_macronames[n->tok]); |
|
|
if (n->parent) { |
roff_node_delete(man, n); |
n->parent->nchild--; |
man->flags &= ~MAN_ELINE; |
if (n->parent->child == n) |
|
n->parent->child = n->prev ? n->prev : n->next; |
|
} |
} |
|
|
/* Adjust parse point, if applicable. */ |
/* |
|
* Weird special case: |
|
* Switching fill mode closes section headers. |
|
*/ |
|
|
if (man && man->last == n) { |
if (man->flags & MAN_BLINE && |
/*XXX: this can occur when bailing from validation. */ |
(tok == MAN_nf || tok == MAN_fi) && |
/*assert(NULL == n->next);*/ |
(man->last->tok == MAN_SH || man->last->tok == MAN_SS)) { |
if (n->prev) { |
n = man->last; |
man->last = n->prev; |
man_unscope(man, n); |
man->next = MAN_NEXT_SIBLING; |
roff_body_alloc(man, n->line, n->pos, n->tok); |
} else { |
man->flags &= ~MAN_BLINE; |
man->last = n->parent; |
|
man->next = MAN_NEXT_CHILD; |
|
} |
|
} |
} |
|
|
if (man && man->first == n) |
/* |
man->first = NULL; |
* A block header next line scope is open, |
|
* and the new macro is not allowed inside block headers. |
|
* Delete the block that is being broken. |
|
*/ |
|
|
|
if (man->flags & MAN_BLINE && (tok == TOKEN_NONE || |
|
man_macros[tok].flags & MAN_BSCOPE)) { |
|
n = man->last; |
|
if (n->type == ROFFT_TEXT) |
|
n = n->parent; |
|
if ( ! (man_macros[n->tok].flags & MAN_BSCOPE)) |
|
n = n->parent; |
|
|
|
assert(n->type == ROFFT_HEAD); |
|
n = n->parent; |
|
assert(n->type == ROFFT_BLOCK); |
|
assert(man_macros[n->tok].flags & MAN_SCOPED); |
|
|
|
mandoc_vmsg(MANDOCERR_BLK_LINE, man->parse, |
|
n->line, n->pos, "%s breaks %s", |
|
tok == TOKEN_NONE ? "TS" : man_macronames[tok], |
|
man_macronames[n->tok]); |
|
|
|
roff_node_delete(man, n); |
|
man->flags &= ~MAN_BLINE; |
|
} |
} |
} |
|
|
const struct mparse * |
const struct mparse * |
man_mparse(const struct man *man) |
man_mparse(const struct roff_man *man) |
{ |
{ |
|
|
assert(man && man->parse); |
assert(man && man->parse); |
return(man->parse); |
return man->parse; |
} |
} |
|
|
void |
void |
man_deroff(char **dest, const struct man_node *n) |
man_state(struct roff_man *man, struct roff_node *n) |
{ |
{ |
char *cp; |
|
size_t sz; |
|
|
|
if (MAN_TEXT != n->type) { |
switch(n->tok) { |
for (n = n->child; n; n = n->next) |
case MAN_nf: |
man_deroff(dest, n); |
case MAN_EX: |
return; |
if (man->flags & MAN_LITERAL && ! (n->flags & NODE_VALID)) |
|
mandoc_msg(MANDOCERR_NF_SKIP, man->parse, |
|
n->line, n->pos, "nf"); |
|
man->flags |= MAN_LITERAL; |
|
break; |
|
case MAN_fi: |
|
case MAN_EE: |
|
if ( ! (man->flags & MAN_LITERAL) && |
|
! (n->flags & NODE_VALID)) |
|
mandoc_msg(MANDOCERR_FI_SKIP, man->parse, |
|
n->line, n->pos, "fi"); |
|
man->flags &= ~MAN_LITERAL; |
|
break; |
|
default: |
|
break; |
} |
} |
|
man->last->flags |= NODE_VALID; |
|
} |
|
|
/* Skip leading whitespace and escape sequences. */ |
void |
|
man_validate(struct roff_man *man) |
|
{ |
|
|
cp = n->string; |
man->last = man->first; |
while ('\0' != *cp) { |
man_node_validate(man); |
if ('\\' == *cp) { |
man->flags &= ~MAN_LITERAL; |
cp++; |
|
mandoc_escape((const char **)&cp, NULL, NULL); |
|
} else if (isspace((unsigned char)*cp)) |
|
cp++; |
|
else |
|
break; |
|
} |
|
|
|
/* Skip trailing whitespace. */ |
|
|
|
for (sz = strlen(cp); sz; sz--) |
|
if (0 == isspace((unsigned char)cp[sz-1])) |
|
break; |
|
|
|
/* Skip empty strings. */ |
|
|
|
if (0 == sz) |
|
return; |
|
|
|
if (NULL == *dest) { |
|
*dest = mandoc_strndup(cp, sz); |
|
return; |
|
} |
|
|
|
mandoc_asprintf(&cp, "%s %*s", *dest, (int)sz, cp); |
|
free(*dest); |
|
*dest = cp; |
|
} |
} |