version 1.122, 2013/12/31 23:23:10 |
version 1.143, 2014/11/19 03:08:17 |
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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> |
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* Copyright (c) 2013, 2014 Ingo Schwarze <schwarze@openbsd.org> |
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* 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 |
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* 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. |
*/ |
*/ |
#ifdef HAVE_CONFIG_H |
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#include "config.h" |
#include "config.h" |
#endif |
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#include <sys/types.h> |
#include <sys/types.h> |
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#include <assert.h> |
#include <assert.h> |
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#include <ctype.h> |
#include <stdarg.h> |
#include <stdarg.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <stdio.h> |
#include <stdio.h> |
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#include "man.h" |
#include "man.h" |
#include "mandoc.h" |
#include "mandoc.h" |
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#include "mandoc_aux.h" |
#include "libman.h" |
#include "libman.h" |
#include "libmandoc.h" |
#include "libmandoc.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", |
"TP", "LP", "PP", "P", |
"TP", "LP", "PP", "P", |
"IP", "HP", "SM", "SB", |
"IP", "HP", "SM", "SB", |
"BI", "IB", "BR", "RB", |
"BI", "IB", "BR", "RB", |
"R", "B", "I", "IR", |
"R", "B", "I", "IR", |
Line 41 const char *const __man_macronames[MAN_MAX] = { |
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Line 43 const char *const __man_macronames[MAN_MAX] = { |
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"fi", "RE", "RS", "DT", |
"fi", "RE", "RS", "DT", |
"UC", "PD", "AT", "in", |
"UC", "PD", "AT", "in", |
"ft", "OP", "EX", "EE", |
"ft", "OP", "EX", "EE", |
"UR", "UE" |
"UR", "UE", "ll" |
}; |
}; |
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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 struct man_node *man_node_alloc(struct man *, int, int, |
enum man_type, enum mant); |
enum man_type, enum mant); |
static int man_node_append(struct man *, |
static int man_node_append(struct man *, |
struct man_node *); |
struct man_node *); |
static void man_node_free(struct man_node *); |
static void man_node_free(struct man_node *); |
static void man_node_unlink(struct man *, |
static void man_node_unlink(struct man *, |
struct man_node *); |
struct man_node *); |
static int man_ptext(struct man *, int, char *, int); |
static int man_ptext(struct man *, int, char *, int); |
static int man_pmacro(struct man *, int, char *, int); |
static int man_pmacro(struct man *, int, char *, int); |
Line 64 const struct man_node * |
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Line 66 const struct man_node * |
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man_node(const struct man *man) |
man_node(const struct man *man) |
{ |
{ |
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assert( ! (MAN_HALT & man->flags)); |
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return(man->first); |
return(man->first); |
} |
} |
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const struct man_meta * |
const struct man_meta * |
man_meta(const struct man *man) |
man_meta(const struct man *man) |
{ |
{ |
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assert( ! (MAN_HALT & man->flags)); |
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return(&man->meta); |
return(&man->meta); |
} |
} |
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void |
void |
man_reset(struct man *man) |
man_reset(struct man *man) |
{ |
{ |
Line 86 man_reset(struct man *man) |
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Line 84 man_reset(struct man *man) |
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man_alloc1(man); |
man_alloc1(man); |
} |
} |
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void |
void |
man_free(struct man *man) |
man_free(struct man *man) |
{ |
{ |
Line 95 man_free(struct man *man) |
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Line 92 man_free(struct man *man) |
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free(man); |
free(man); |
} |
} |
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struct man * |
struct man * |
man_alloc(struct roff *roff, struct mparse *parse) |
man_alloc(struct roff *roff, struct mparse *parse, int quick) |
{ |
{ |
struct man *p; |
struct man *p; |
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Line 105 man_alloc(struct roff *roff, struct mparse *parse) |
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Line 101 man_alloc(struct roff *roff, struct mparse *parse) |
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man_hash_init(); |
man_hash_init(); |
p->parse = parse; |
p->parse = parse; |
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p->quick = quick; |
p->roff = roff; |
p->roff = roff; |
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man_alloc1(p); |
man_alloc1(p); |
return(p); |
return(p); |
} |
} |
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int |
int |
man_endparse(struct man *man) |
man_endparse(struct man *man) |
{ |
{ |
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assert( ! (MAN_HALT & man->flags)); |
return(man_macroend(man)); |
if (man_macroend(man)) |
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return(1); |
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man->flags |= MAN_HALT; |
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return(0); |
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} |
} |
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int |
int |
man_parseln(struct man *man, int ln, char *buf, int offs) |
man_parseln(struct man *man, int ln, char *buf, int offs) |
{ |
{ |
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man->flags |= MAN_NEWLINE; |
if (man->last->type != MAN_EQN || ln > man->last->line) |
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man->flags |= MAN_NEWLINE; |
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assert( ! (MAN_HALT & man->flags)); |
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return (roff_getcontrol(man->roff, buf, &offs) ? |
return (roff_getcontrol(man->roff, buf, &offs) ? |
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_free1(struct man *man) |
{ |
{ |
Line 156 man_free1(struct man *man) |
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Line 145 man_free1(struct man *man) |
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free(man->meta.msec); |
free(man->meta.msec); |
} |
} |
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static void |
static void |
man_alloc1(struct man *man) |
man_alloc1(struct man *man) |
{ |
{ |
Line 180 man_node_append(struct man *man, struct man_node *p) |
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Line 168 man_node_append(struct man *man, struct man_node *p) |
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assert(MAN_ROOT != p->type); |
assert(MAN_ROOT != p->type); |
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switch (man->next) { |
switch (man->next) { |
case (MAN_NEXT_SIBLING): |
case MAN_NEXT_SIBLING: |
man->last->next = p; |
man->last->next = p; |
p->prev = man->last; |
p->prev = man->last; |
p->parent = man->last->parent; |
p->parent = man->last->parent; |
break; |
break; |
case (MAN_NEXT_CHILD): |
case MAN_NEXT_CHILD: |
man->last->child = p; |
man->last->child = p; |
p->parent = man->last; |
p->parent = man->last; |
break; |
break; |
Line 193 man_node_append(struct man *man, struct man_node *p) |
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Line 181 man_node_append(struct man *man, struct man_node *p) |
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abort(); |
abort(); |
/* NOTREACHED */ |
/* NOTREACHED */ |
} |
} |
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assert(p->parent); |
assert(p->parent); |
p->parent->nchild++; |
p->parent->nchild++; |
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if ( ! man_valid_pre(man, p)) |
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return(0); |
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switch (p->type) { |
switch (p->type) { |
case (MAN_HEAD): |
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: |
assert(MAN_BLOCK == p->parent->type); |
assert(MAN_BLOCK == p->parent->type); |
p->parent->head = p; |
p->parent->head = p; |
break; |
break; |
case (MAN_TAIL): |
case MAN_TAIL: |
assert(MAN_BLOCK == p->parent->type); |
assert(MAN_BLOCK == p->parent->type); |
p->parent->tail = p; |
p->parent->tail = p; |
break; |
break; |
case (MAN_BODY): |
case MAN_BODY: |
assert(MAN_BLOCK == p->parent->type); |
assert(MAN_BLOCK == p->parent->type); |
p->parent->body = p; |
p->parent->body = p; |
break; |
break; |
Line 220 man_node_append(struct man *man, struct man_node *p) |
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Line 209 man_node_append(struct man *man, struct man_node *p) |
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man->last = p; |
man->last = p; |
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switch (p->type) { |
switch (p->type) { |
case (MAN_TBL): |
case MAN_TBL: |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MAN_TEXT): |
case MAN_TEXT: |
if ( ! man_valid_post(man)) |
if ( ! man_valid_post(man)) |
return(0); |
return(0); |
break; |
break; |
Line 233 man_node_append(struct man *man, struct man_node *p) |
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Line 222 man_node_append(struct man *man, struct man_node *p) |
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return(1); |
return(1); |
} |
} |
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static struct man_node * |
static struct man_node * |
man_node_alloc(struct man *man, int line, int pos, |
man_node_alloc(struct man *man, int line, int pos, |
enum man_type type, enum mant tok) |
enum man_type type, enum mant tok) |
{ |
{ |
struct man_node *p; |
struct man_node *p; |
Line 252 man_node_alloc(struct man *man, int line, int pos, |
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Line 240 man_node_alloc(struct man *man, int line, int pos, |
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return(p); |
return(p); |
} |
} |
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int |
int |
man_elem_alloc(struct man *man, int line, int pos, enum mant tok) |
man_elem_alloc(struct man *man, int line, int pos, enum mant tok) |
{ |
{ |
Line 265 man_elem_alloc(struct man *man, int line, int pos, enu |
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Line 252 man_elem_alloc(struct man *man, int line, int pos, enu |
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return(1); |
return(1); |
} |
} |
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int |
int |
man_tail_alloc(struct man *man, int line, int pos, enum mant tok) |
man_tail_alloc(struct man *man, int line, int pos, enum mant tok) |
{ |
{ |
Line 278 man_tail_alloc(struct man *man, int line, int pos, enu |
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Line 264 man_tail_alloc(struct man *man, int line, int pos, enu |
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return(1); |
return(1); |
} |
} |
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int |
int |
man_head_alloc(struct man *man, int line, int pos, enum mant tok) |
man_head_alloc(struct man *man, int line, int pos, enum mant tok) |
{ |
{ |
Line 291 man_head_alloc(struct man *man, int line, int pos, enu |
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Line 276 man_head_alloc(struct man *man, int line, int pos, enu |
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return(1); |
return(1); |
} |
} |
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int |
int |
man_body_alloc(struct man *man, int line, int pos, enum mant tok) |
man_body_alloc(struct man *man, int line, int pos, enum mant tok) |
{ |
{ |
Line 304 man_body_alloc(struct man *man, int line, int pos, enu |
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Line 288 man_body_alloc(struct man *man, int line, int pos, enu |
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return(1); |
return(1); |
} |
} |
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int |
int |
man_block_alloc(struct man *man, int line, int pos, enum mant tok) |
man_block_alloc(struct man *man, int line, int pos, enum mant tok) |
{ |
{ |
Line 332 man_word_alloc(struct man *man, int line, int pos, con |
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Line 315 man_word_alloc(struct man *man, int line, int pos, con |
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return(1); |
return(1); |
} |
} |
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void |
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man_word_append(struct man *man, const char *word) |
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{ |
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struct man_node *n; |
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char *addstr, *newstr; |
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n = man->last; |
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addstr = roff_strdup(man->roff, word); |
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mandoc_asprintf(&newstr, "%s %s", n->string, addstr); |
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free(addstr); |
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free(n->string); |
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n->string = newstr; |
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man->next = MAN_NEXT_SIBLING; |
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} |
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/* |
/* |
* Free all of the resources held by a node. This does NOT unlink a |
* Free all of the resources held by a node. This does NOT unlink a |
* node from its context; for that, see man_node_unlink(). |
* node from its context; for that, see man_node_unlink(). |
Line 346 man_node_free(struct man_node *p) |
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Line 343 man_node_free(struct man_node *p) |
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free(p); |
free(p); |
} |
} |
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void |
void |
man_node_delete(struct man *man, struct man_node *p) |
man_node_delete(struct man *man, struct man_node *p) |
{ |
{ |
Line 363 man_addeqn(struct man *man, const struct eqn *ep) |
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Line 359 man_addeqn(struct man *man, const struct eqn *ep) |
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{ |
{ |
struct man_node *n; |
struct man_node *n; |
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assert( ! (MAN_HALT & man->flags)); |
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n = man_node_alloc(man, ep->ln, ep->pos, MAN_EQN, MAN_MAX); |
n = man_node_alloc(man, ep->ln, ep->pos, MAN_EQN, MAN_MAX); |
n->eqn = ep; |
n->eqn = ep; |
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if (ep->ln > man->last->line) |
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n->flags |= MAN_LINE; |
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if ( ! man_node_append(man, n)) |
if ( ! man_node_append(man, n)) |
return(0); |
return(0); |
Line 380 man_addspan(struct man *man, const struct tbl_span *sp |
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Line 376 man_addspan(struct man *man, const struct tbl_span *sp |
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{ |
{ |
struct man_node *n; |
struct man_node *n; |
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assert( ! (MAN_HALT & man->flags)); |
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n = man_node_alloc(man, sp->line, 0, MAN_TBL, MAN_MAX); |
n = man_node_alloc(man, sp->line, 0, MAN_TBL, MAN_MAX); |
n->span = sp; |
n->span = sp; |
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Line 403 man_descope(struct man *man, int line, int offs) |
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Line 397 man_descope(struct man *man, int line, int offs) |
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if (MAN_ELINE & man->flags) { |
if (MAN_ELINE & man->flags) { |
man->flags &= ~MAN_ELINE; |
man->flags &= ~MAN_ELINE; |
if ( ! man_unscope(man, man->last->parent, MANDOCERR_MAX)) |
if ( ! man_unscope(man, man->last->parent)) |
return(0); |
return(0); |
} |
} |
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Line 411 man_descope(struct man *man, int line, int offs) |
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Line 405 man_descope(struct man *man, int line, int offs) |
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return(1); |
return(1); |
man->flags &= ~MAN_BLINE; |
man->flags &= ~MAN_BLINE; |
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if ( ! man_unscope(man, man->last->parent, MANDOCERR_MAX)) |
if ( ! man_unscope(man, man->last->parent)) |
return(0); |
return(0); |
return(man_body_alloc(man, line, offs, man->last->tok)); |
return(man_body_alloc(man, line, offs, man->last->tok)); |
} |
} |
Line 448 man_ptext(struct man *man, int line, char *buf, int of |
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Line 442 man_ptext(struct man *man, int line, char *buf, int of |
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return(1); |
return(1); |
} |
} |
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/* |
/* |
* Warn if the last un-escaped character is whitespace. Then |
* Warn if the last un-escaped character is whitespace. Then |
* strip away the remaining spaces (tabs stay!). |
* strip away the remaining spaces (tabs stay!). |
*/ |
*/ |
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i = (int)strlen(buf); |
i = (int)strlen(buf); |
Line 458 man_ptext(struct man *man, int line, char *buf, int of |
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Line 452 man_ptext(struct man *man, int line, char *buf, int of |
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if (' ' == buf[i - 1] || '\t' == buf[i - 1]) { |
if (' ' == buf[i - 1] || '\t' == buf[i - 1]) { |
if (i > 1 && '\\' != buf[i - 2]) |
if (i > 1 && '\\' != buf[i - 2]) |
man_pmsg(man, line, i - 1, MANDOCERR_EOLNSPACE); |
mandoc_msg(MANDOCERR_SPACE_EOL, man->parse, |
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line, i - 1, NULL); |
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for (--i; i && ' ' == buf[i]; i--) |
for (--i; i && ' ' == buf[i]; i--) |
/* Spin back to non-space. */ ; |
/* Spin back to non-space. */ ; |
Line 488 man_ptext(struct man *man, int line, char *buf, int of |
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Line 483 man_ptext(struct man *man, int line, char *buf, int of |
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static int |
static int |
man_pmacro(struct man *man, int ln, char *buf, int offs) |
man_pmacro(struct man *man, int ln, char *buf, int offs) |
{ |
{ |
int i, ppos; |
struct man_node *n; |
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const char *cp; |
enum mant tok; |
enum mant tok; |
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int i, ppos; |
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int bline; |
char mac[5]; |
char mac[5]; |
struct man_node *n; |
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if ('"' == buf[offs]) { |
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man_pmsg(man, ln, offs, MANDOCERR_BADCOMMENT); |
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return(1); |
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} else if ('\0' == buf[offs]) |
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return(1); |
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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] && |
while (i < 4 && strchr(" \t\\", buf[offs]) == NULL) |
' ' != buf[offs] && '\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) : MAN_MAX; |
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if (MAN_MAX == tok) { |
if (tok == MAN_MAX) { |
mandoc_vmsg(MANDOCERR_MACRO, man->parse, ln, |
mandoc_msg(MANDOCERR_MACRO, man->parse, |
ppos, "%s", 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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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': |
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offs++; |
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break; |
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default: |
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break; |
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} |
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/* Jump to the next non-whitespace word. */ |
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while (buf[offs] && ' ' == buf[offs]) |
while (buf[offs] && ' ' == buf[offs]) |
offs++; |
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 ('\0' == buf[offs] && ' ' == buf[offs - 1]) |
man_pmsg(man, ln, offs - 1, MANDOCERR_EOLNSPACE); |
mandoc_msg(MANDOCERR_SPACE_EOL, man->parse, |
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ln, offs - 1, NULL); |
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/* |
/* |
* Remove prior ELINE macro, as it's being clobbered by a new |
* Remove prior ELINE macro, as it's being clobbered by a new |
* macro. Note that NSCOPED macros do not close out ELINE |
* macro. Note that NSCOPED macros do not close out ELINE |
* macros---they don't print text---so we let those slip by. |
* macros---they don't print text---so we let those slip by. |
Line 550 man_pmacro(struct man *man, int ln, char *buf, int off |
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Line 556 man_pmacro(struct man *man, int ln, char *buf, int off |
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if (MAN_NSCOPED & man_macros[n->tok].flags) |
if (MAN_NSCOPED & man_macros[n->tok].flags) |
n = n->parent; |
n = n->parent; |
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mandoc_vmsg(MANDOCERR_LINESCOPE, man->parse, n->line, |
mandoc_vmsg(MANDOCERR_BLK_LINE, man->parse, n->line, |
n->pos, "%s breaks %s", man_macronames[tok], |
n->pos, "%s breaks %s", man_macronames[tok], |
man_macronames[n->tok]); |
man_macronames[n->tok]); |
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Line 581 man_pmacro(struct man *man, int ln, char *buf, int off |
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Line 587 man_pmacro(struct man *man, int ln, char *buf, int off |
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assert(MAN_BLOCK == n->type); |
assert(MAN_BLOCK == n->type); |
assert(MAN_SCOPED & man_macros[n->tok].flags); |
assert(MAN_SCOPED & man_macros[n->tok].flags); |
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|
mandoc_vmsg(MANDOCERR_LINESCOPE, man->parse, n->line, |
mandoc_vmsg(MANDOCERR_BLK_LINE, man->parse, n->line, |
n->pos, "%s breaks %s", man_macronames[tok], |
n->pos, "%s breaks %s", man_macronames[tok], |
man_macronames[n->tok]); |
man_macronames[n->tok]); |
|
|
Line 589 man_pmacro(struct man *man, int ln, char *buf, int off |
|
Line 595 man_pmacro(struct man *man, int ln, char *buf, int off |
|
man->flags &= ~MAN_BLINE; |
man->flags &= ~MAN_BLINE; |
} |
} |
|
|
/* |
/* Remember whether we are in next-line scope for a block head. */ |
* Save the fact that we're in the next-line for a block. In |
|
* this way, embedded roff instructions can "remember" state |
|
* when they exit. |
|
*/ |
|
|
|
if (MAN_BLINE & man->flags) |
bline = man->flags & MAN_BLINE; |
man->flags |= MAN_BPLINE; |
|
|
|
/* 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)) |
if ( ! (*man_macros[tok].fp)(man, tok, ln, ppos, &offs, buf)) |
goto err; |
return(0); |
|
|
/* |
/* In quick mode (for mandocdb), abort after the NAME section. */ |
* We weren't in a block-line scope when entering the |
|
* above-parsed macro, so return. |
|
*/ |
|
|
|
if ( ! (MAN_BPLINE & man->flags)) { |
if (man->quick && MAN_SH == tok) { |
man->flags &= ~MAN_ILINE; |
n = man->last; |
return(1); |
if (MAN_BODY == n->type && |
|
strcmp(n->prev->child->string, "NAME")) |
|
return(2); |
} |
} |
man->flags &= ~MAN_BPLINE; |
|
|
|
/* |
/* |
* If we're in a block scope, then allow this macro to slip by |
* If we are in a next-line scope for a block head, |
* without closing scope around it. |
* close it out now and switch to the body, |
|
* unless the next-line scope is allowed to continue. |
*/ |
*/ |
|
|
if (MAN_ILINE & man->flags) { |
if ( ! bline || man->flags & MAN_ELINE || |
man->flags &= ~MAN_ILINE; |
man_macros[tok].flags & MAN_NSCOPED) |
return(1); |
return(1); |
} |
|
|
|
/* |
|
* If we've opened a new next-line element scope, then return |
|
* now, as the next line will close out the block scope. |
|
*/ |
|
|
|
if (MAN_ELINE & man->flags) |
|
return(1); |
|
|
|
/* Close out the block scope opened in the prior line. */ |
|
|
|
assert(MAN_BLINE & man->flags); |
assert(MAN_BLINE & man->flags); |
man->flags &= ~MAN_BLINE; |
man->flags &= ~MAN_BLINE; |
|
|
if ( ! man_unscope(man, man->last->parent, MANDOCERR_MAX)) |
if ( ! man_unscope(man, man->last->parent)) |
return(0); |
return(0); |
return(man_body_alloc(man, ln, ppos, man->last->tok)); |
return(man_body_alloc(man, ln, ppos, man->last->tok)); |
|
|
err: /* Error out. */ |
|
|
|
man->flags |= MAN_HALT; |
|
return(0); |
|
} |
} |
|
|
/* |
/* |
Line 695 man_mparse(const struct man *man) |
|
Line 679 man_mparse(const struct man *man) |
|
|
|
assert(man && man->parse); |
assert(man && man->parse); |
return(man->parse); |
return(man->parse); |
|
} |
|
|
|
void |
|
man_deroff(char **dest, const struct man_node *n) |
|
{ |
|
char *cp; |
|
size_t sz; |
|
|
|
if (MAN_TEXT != n->type) { |
|
for (n = n->child; n; n = n->next) |
|
man_deroff(dest, n); |
|
return; |
|
} |
|
|
|
/* Skip leading whitespace and escape sequences. */ |
|
|
|
cp = n->string; |
|
while ('\0' != *cp) { |
|
if ('\\' == *cp) { |
|
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; |
} |
} |