version 1.77, 2010/06/26 15:36:37 |
version 1.149, 2015/01/30 21:28:46 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
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* Copyright (c) 2013, 2014, 2015 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 <stdio.h> |
#include <stdio.h> |
#include <string.h> |
#include <string.h> |
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#include "man.h" |
#include "mandoc.h" |
#include "mandoc.h" |
#include "regs.h" |
#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", |
"RI", "na", "i", "sp", |
"RI", "sp", "nf", |
"nf", "fi", "r", "RE", |
"fi", "RE", "RS", "DT", |
"RS", "DT", "UC", "PD", |
"UC", "PD", "AT", "in", |
"Sp", "Vb", "Ve", "AT", |
"ft", "OP", "EX", "EE", |
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"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(int, int, |
static void man_alloc1(struct man *); |
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static void man_breakscope(struct man *, enum mant); |
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static void man_descope(struct man *, int, int); |
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static void man_free1(struct man *); |
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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 void 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); |
static void man_free1(struct man *); |
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static void man_alloc1(struct man *); |
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static int macrowarn(struct man *, int, const char *, int); |
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const struct man_node * |
const struct man_node * |
man_node(const struct man *m) |
man_node(const struct man *man) |
{ |
{ |
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return(MAN_HALT & m->flags ? NULL : m->first); |
return(man->first); |
} |
} |
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const struct man_meta * |
const struct man_meta * |
man_meta(const struct man *m) |
man_meta(const struct man *man) |
{ |
{ |
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return(MAN_HALT & m->flags ? NULL : &m->meta); |
return(&man->meta); |
} |
} |
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void |
void |
man_reset(struct man *man) |
man_reset(struct man *man) |
{ |
{ |
Line 84 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 93 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(void *data, int pflags, mandocmsg msg) |
man_alloc(struct roff *roff, struct mparse *parse, |
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const char *defos, int quick) |
{ |
{ |
struct man *p; |
struct man *p; |
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p = mandoc_calloc(1, sizeof(struct man)); |
p = mandoc_calloc(1, sizeof(struct man)); |
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man_hash_init(); |
man_hash_init(); |
p->data = data; |
p->parse = parse; |
p->pflags = pflags; |
p->defos = defos; |
p->msg = msg; |
p->quick = quick; |
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p->roff = roff; |
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man_alloc1(p); |
man_alloc1(p); |
return(p); |
return(p); |
} |
} |
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void |
int |
man_endparse(struct man *man) |
man_endparse(struct man *m) |
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{ |
{ |
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if (MAN_HALT & m->flags) |
man_macroend(man); |
return(0); |
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else if (man_macroend(m)) |
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return(1); |
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m->flags |= MAN_HALT; |
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return(0); |
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} |
} |
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int |
int |
man_parseln(struct man *m, const struct regset *regs, |
man_parseln(struct man *man, int ln, char *buf, int offs) |
int ln, char *buf, int offs) |
|
{ |
{ |
|
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if (MAN_HALT & m->flags) |
if (man->last->type != MAN_EQN || ln > man->last->line) |
return(0); |
man->flags |= MAN_NEWLINE; |
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return(('.' == buf[offs] || '\'' == buf[offs]) ? |
return (roff_getcontrol(man->roff, buf, &offs) ? |
man_pmacro(m, ln, buf, offs) : |
man_pmacro(man, ln, buf, offs) : |
man_ptext(m, 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) |
{ |
{ |
|
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if (man->first) |
if (man->first) |
man_node_delete(man, man->first); |
man_node_delete(man, man->first); |
if (man->meta.title) |
free(man->meta.title); |
free(man->meta.title); |
free(man->meta.source); |
if (man->meta.source) |
free(man->meta.date); |
free(man->meta.source); |
free(man->meta.vol); |
if (man->meta.rawdate) |
free(man->meta.msec); |
free(man->meta.rawdate); |
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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 |
static void |
man_alloc1(struct man *m) |
man_alloc1(struct man *man) |
{ |
{ |
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memset(&m->meta, 0, sizeof(struct man_meta)); |
memset(&man->meta, 0, sizeof(struct man_meta)); |
m->flags = 0; |
man->flags = 0; |
m->last = mandoc_calloc(1, sizeof(struct man_node)); |
man->last = mandoc_calloc(1, sizeof(struct man_node)); |
m->first = m->last; |
man->first = man->last; |
m->last->type = MAN_ROOT; |
man->last->type = MAN_ROOT; |
m->last->tok = MAN_MAX; |
man->last->tok = MAN_MAX; |
m->next = MAN_NEXT_CHILD; |
man->next = MAN_NEXT_CHILD; |
} |
} |
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static int |
static void |
man_node_append(struct man *man, struct man_node *p) |
man_node_append(struct man *man, struct man_node *p) |
{ |
{ |
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assert(man->last); |
assert(man->last); |
assert(man->first); |
assert(man->first); |
assert(MAN_ROOT != p->type); |
assert(p->type != MAN_ROOT); |
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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 178 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: |
assert(MAN_BLOCK == p->parent->type); |
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(p->parent->type == MAN_BLOCK); |
p->parent->head = p; |
p->parent->head = p; |
break; |
break; |
case (MAN_BODY): |
case MAN_BODY: |
assert(MAN_BLOCK == p->parent->type); |
assert(p->parent->type == MAN_BLOCK); |
p->parent->body = p; |
p->parent->body = p; |
break; |
break; |
default: |
default: |
Line 216 man_node_append(struct man *man, struct man_node *p) |
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Line 202 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_TEXT): |
case MAN_TBL: |
if ( ! man_valid_post(man)) |
/* FALLTHROUGH */ |
return(0); |
case MAN_TEXT: |
if ( ! man_action_post(man)) |
man_valid_post(man); |
return(0); |
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break; |
break; |
default: |
default: |
break; |
break; |
} |
} |
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return(1); |
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} |
} |
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static struct man_node * |
static struct man_node * |
man_node_alloc(int line, int pos, enum man_type type, enum mant tok) |
man_node_alloc(struct man *man, int line, int pos, |
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enum man_type type, enum mant tok) |
{ |
{ |
struct man_node *p; |
struct man_node *p; |
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Line 240 man_node_alloc(int line, int pos, enum man_type type, |
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Line 223 man_node_alloc(int line, int pos, enum man_type type, |
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p->pos = pos; |
p->pos = pos; |
p->type = type; |
p->type = type; |
p->tok = tok; |
p->tok = tok; |
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if (man->flags & MAN_NEWLINE) |
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p->flags |= MAN_LINE; |
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man->flags &= ~MAN_NEWLINE; |
return(p); |
return(p); |
} |
} |
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void |
int |
man_elem_alloc(struct man *man, int line, int pos, enum mant tok) |
man_elem_alloc(struct man *m, int line, int pos, enum mant tok) |
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{ |
{ |
struct man_node *p; |
struct man_node *p; |
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p = man_node_alloc(line, pos, MAN_ELEM, tok); |
p = man_node_alloc(man, line, pos, MAN_ELEM, tok); |
if ( ! man_node_append(m, p)) |
man_node_append(man, p); |
return(0); |
man->next = MAN_NEXT_CHILD; |
m->next = MAN_NEXT_CHILD; |
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return(1); |
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} |
} |
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void |
int |
man_head_alloc(struct man *man, int line, int pos, enum mant tok) |
man_head_alloc(struct man *m, int line, int pos, enum mant tok) |
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{ |
{ |
struct man_node *p; |
struct man_node *p; |
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p = man_node_alloc(line, pos, MAN_HEAD, tok); |
p = man_node_alloc(man, line, pos, MAN_HEAD, tok); |
if ( ! man_node_append(m, p)) |
man_node_append(man, p); |
return(0); |
man->next = MAN_NEXT_CHILD; |
m->next = MAN_NEXT_CHILD; |
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return(1); |
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} |
} |
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void |
int |
man_body_alloc(struct man *man, int line, int pos, enum mant tok) |
man_body_alloc(struct man *m, int line, int pos, enum mant tok) |
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{ |
{ |
struct man_node *p; |
struct man_node *p; |
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p = man_node_alloc(line, pos, MAN_BODY, tok); |
p = man_node_alloc(man, line, pos, MAN_BODY, tok); |
if ( ! man_node_append(m, p)) |
man_node_append(man, p); |
return(0); |
man->next = MAN_NEXT_CHILD; |
m->next = MAN_NEXT_CHILD; |
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return(1); |
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} |
} |
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void |
int |
man_block_alloc(struct man *man, int line, int pos, enum mant tok) |
man_block_alloc(struct man *m, int line, int pos, enum mant tok) |
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{ |
{ |
struct man_node *p; |
struct man_node *p; |
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p = man_node_alloc(line, pos, MAN_BLOCK, tok); |
p = man_node_alloc(man, line, pos, MAN_BLOCK, tok); |
if ( ! man_node_append(m, p)) |
man_node_append(man, p); |
return(0); |
man->next = MAN_NEXT_CHILD; |
m->next = MAN_NEXT_CHILD; |
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return(1); |
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} |
} |
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void |
int |
man_word_alloc(struct man *man, int line, int pos, const char *word) |
man_word_alloc(struct man *m, int line, int pos, const char *word) |
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{ |
{ |
struct man_node *n; |
struct man_node *n; |
size_t sv, len; |
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len = strlen(word); |
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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man_node_append(man, n); |
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man->next = MAN_NEXT_SIBLING; |
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} |
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n = man_node_alloc(line, pos, MAN_TEXT, MAN_MAX); |
void |
n->string = mandoc_malloc(len + 1); |
man_word_append(struct man *man, const char *word) |
sv = strlcpy(n->string, word, len + 1); |
{ |
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struct man_node *n; |
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char *addstr, *newstr; |
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/* Prohibit truncation. */ |
n = man->last; |
assert(sv < len + 1); |
addstr = roff_strdup(man->roff, word); |
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mandoc_asprintf(&newstr, "%s %s", n->string, addstr); |
if ( ! man_node_append(m, n)) |
free(addstr); |
return(0); |
free(n->string); |
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n->string = newstr; |
m->next = MAN_NEXT_SIBLING; |
man->next = MAN_NEXT_SIBLING; |
return(1); |
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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(). |
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man_node_free(struct man_node *p) |
man_node_free(struct man_node *p) |
{ |
{ |
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if (p->string) |
free(p->string); |
free(p->string); |
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free(p); |
free(p); |
} |
} |
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void |
void |
man_node_delete(struct man *m, struct man_node *p) |
man_node_delete(struct man *man, struct man_node *p) |
{ |
{ |
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while (p->child) |
while (p->child) |
man_node_delete(m, p->child); |
man_node_delete(man, p->child); |
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man_node_unlink(m, p); |
man_node_unlink(man, p); |
man_node_free(p); |
man_node_free(p); |
} |
} |
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void |
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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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static int |
n = man_node_alloc(man, ep->ln, ep->pos, MAN_EQN, MAN_MAX); |
man_ptext(struct man *m, int line, char *buf, int offs) |
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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man_node_append(man, n); |
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man->next = MAN_NEXT_SIBLING; |
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man_descope(man, ep->ln, ep->pos); |
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} |
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void |
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man_addspan(struct man *man, const struct tbl_span *sp) |
{ |
{ |
int i; |
struct man_node *n; |
|
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/* Ignore bogus comments. */ |
man_breakscope(man, MAN_MAX); |
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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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man_node_append(man, n); |
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man->next = MAN_NEXT_SIBLING; |
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man_descope(man, sp->line, 0); |
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} |
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if ('\\' == buf[offs] && |
static void |
'.' == buf[offs + 1] && |
man_descope(struct man *man, int line, int offs) |
'"' == buf[offs + 2]) |
{ |
return(man_pmsg(m, line, offs, MANDOCERR_BADCOMMENT)); |
/* |
|
* Co-ordinate what happens with having a next-line scope open: |
|
* first close out the element scope (if applicable), then close |
|
* out the block scope (also if applicable). |
|
*/ |
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if (man->flags & MAN_ELINE) { |
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man->flags &= ~MAN_ELINE; |
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man_unscope(man, man->last->parent); |
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} |
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if ( ! (man->flags & MAN_BLINE)) |
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return; |
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man->flags &= ~MAN_BLINE; |
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man_unscope(man, man->last->parent); |
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man_body_alloc(man, line, offs, man->last->tok); |
|
} |
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static int |
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man_ptext(struct man *man, int line, char *buf, int offs) |
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{ |
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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 & m->flags) { |
if (man->flags & MAN_LITERAL) { |
if ( ! man_word_alloc(m, line, offs, buf + offs)) |
man_word_alloc(man, line, offs, buf + offs); |
return(0); |
man_descope(man, line, offs); |
goto descope; |
return(1); |
} |
} |
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/* Pump blank lines directly into the backend. */ |
for (i = offs; buf[i] == ' '; i++) |
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for (i = offs; ' ' == buf[i]; i++) |
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/* Skip leading whitespace. */ ; |
/* Skip leading whitespace. */ ; |
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if ('\0' == buf[i]) { |
/* |
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* Blank lines are ignored right after headings |
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* but add a single vertical space elsewhere. |
|
*/ |
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if (buf[i] == '\0') { |
/* Allocate a blank entry. */ |
/* Allocate a blank entry. */ |
if ( ! man_word_alloc(m, line, offs, "")) |
if (man->last->tok != MAN_SH && |
return(0); |
man->last->tok != MAN_SS) { |
goto descope; |
man_elem_alloc(man, line, offs, MAN_sp); |
|
man->next = MAN_NEXT_SIBLING; |
|
} |
|
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 387 man_ptext(struct man *m, int line, char *buf, int offs |
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Line 407 man_ptext(struct man *m, int line, char *buf, int offs |
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|
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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]) |
if ( ! man_pmsg(m, line, i - 1, MANDOCERR_EOLNSPACE)) |
mandoc_msg(MANDOCERR_SPACE_EOL, man->parse, |
return(0); |
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 398 man_ptext(struct man *m, int line, char *buf, int offs |
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Line 418 man_ptext(struct man *m, int line, char *buf, int offs |
|
|
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buf[i] = '\0'; |
buf[i] = '\0'; |
} |
} |
|
man_word_alloc(man, line, offs, buf + offs); |
|
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if ( ! man_word_alloc(m, line, offs, buf + offs)) |
|
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 410 man_ptext(struct man *m, int line, char *buf, int offs |
|
Line 428 man_ptext(struct man *m, int line, char *buf, int offs |
|
|
|
assert(i); |
assert(i); |
if (mandoc_eos(buf, (size_t)i)) |
if (mandoc_eos(buf, (size_t)i)) |
m->last->flags |= MAN_EOS; |
man->last->flags |= MAN_EOS; |
|
|
descope: |
man_descope(man, line, offs); |
/* |
return(1); |
* Co-ordinate what happens with having a next-line scope open: |
|
* first close out the element scope (if applicable), then close |
|
* out the block scope (also if applicable). |
|
*/ |
|
|
|
if (MAN_ELINE & m->flags) { |
|
m->flags &= ~MAN_ELINE; |
|
if ( ! man_unscope(m, m->last->parent, MANDOCERR_MAX)) |
|
return(0); |
|
} |
|
|
|
if ( ! (MAN_BLINE & m->flags)) |
|
return(1); |
|
m->flags &= ~MAN_BLINE; |
|
|
|
if ( ! man_unscope(m, m->last->parent, MANDOCERR_MAX)) |
|
return(0); |
|
return(man_body_alloc(m, line, offs, m->last->tok)); |
|
} |
} |
|
|
|
|
static int |
static int |
macrowarn(struct man *m, int ln, const char *buf, int offs) |
man_pmacro(struct man *man, int ln, char *buf, int offs) |
{ |
{ |
int rc; |
struct man_node *n; |
|
const char *cp; |
rc = man_vmsg(m, MANDOCERR_MACRO, ln, offs, |
|
"unknown macro: %s%s", |
|
buf, strlen(buf) > 3 ? "..." : ""); |
|
|
|
return(MAN_IGN_MACRO & m->pflags ? rc : 0); |
|
} |
|
|
|
|
|
int |
|
man_pmacro(struct man *m, int ln, char *buf, int offs) |
|
{ |
|
int i, j, ppos; |
|
enum mant tok; |
enum mant tok; |
|
int i, ppos; |
|
int bline; |
char mac[5]; |
char mac[5]; |
struct man_node *n; |
|
|
|
/* Comments and empties are quickly ignored. */ |
ppos = offs; |
|
|
offs++; |
|
|
|
if ('\0' == buf[offs]) |
|
return(1); |
|
|
|
i = offs; |
|
|
|
/* |
/* |
* Skip whitespace between the control character and initial |
* Copy the first word into a nil-terminated buffer. |
* text. "Whitespace" is both spaces and tabs. |
* Stop when a space, tab, escape, or eoln is encountered. |
*/ |
*/ |
|
|
if (' ' == buf[i] || '\t' == buf[i]) { |
i = 0; |
i++; |
while (i < 4 && strchr(" \t\\", buf[offs]) == NULL) |
while (buf[i] && (' ' == buf[i] || '\t' == buf[i])) |
mac[i++] = buf[offs++]; |
i++; |
|
if ('\0' == buf[i]) |
|
goto out; |
|
} |
|
|
|
ppos = i; |
mac[i] = '\0'; |
|
|
/* Copy the first word into a nil-terminated buffer. */ |
tok = (i > 0 && i < 4) ? man_hash_find(mac) : MAN_MAX; |
|
|
for (j = 0; j < 4; j++, i++) { |
if (tok == MAN_MAX) { |
if ('\0' == (mac[j] = buf[i])) |
mandoc_msg(MANDOCERR_MACRO, man->parse, |
break; |
ln, ppos, buf + ppos - 1); |
else if (' ' == buf[i]) |
return(1); |
break; |
|
|
|
/* Check for invalid characters. */ |
|
|
|
if (isgraph((u_char)buf[i])) |
|
continue; |
|
if ( ! man_pmsg(m, ln, i, MANDOCERR_BADCHAR)) |
|
return(0); |
|
i--; |
|
} |
} |
|
|
mac[j] = '\0'; |
/* Skip a leading escape sequence or tab. */ |
|
|
if (j == 4 || j < 1) { |
switch (buf[offs]) { |
if ( ! macrowarn(m, ln, mac, ppos)) |
case '\\': |
goto err; |
cp = buf + offs + 1; |
return(1); |
mandoc_escape(&cp, NULL, NULL); |
|
offs = cp - buf; |
|
break; |
|
case '\t': |
|
offs++; |
|
break; |
|
default: |
|
break; |
} |
} |
|
|
if (MAN_MAX == (tok = man_hash_find(mac))) { |
|
if ( ! macrowarn(m, ln, mac, ppos)) |
|
goto err; |
|
return(1); |
|
} |
|
|
|
/* The macro is sane. Jump to the next word. */ |
/* Jump to the next non-whitespace word. */ |
|
|
while (buf[i] && ' ' == buf[i]) |
while (buf[offs] && buf[offs] == ' ') |
i++; |
offs++; |
|
|
/* |
/* |
* 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. |
*/ |
*/ |
|
|
if ('\0' == buf[i] && ' ' == buf[i - 1]) |
if (buf[offs] == '\0' && buf[offs - 1] == ' ') |
if ( ! man_pmsg(m, ln, i - 1, MANDOCERR_EOLNSPACE)) |
mandoc_msg(MANDOCERR_SPACE_EOL, man->parse, |
goto err; |
ln, offs - 1, NULL); |
|
|
/* |
|
* Remove prior ELINE macro, as it's being clobbering by a new |
|
* macro. Note that NSCOPED macros do not close out ELINE |
|
* macros---they don't print text---so we let those slip by. |
|
*/ |
|
|
|
if ( ! (MAN_NSCOPED & man_macros[tok].flags) && |
|
m->flags & MAN_ELINE) { |
|
assert(MAN_TEXT != m->last->type); |
|
|
|
/* |
|
* This occurs in the following construction: |
|
* .B |
|
* .br |
|
* .B |
|
* .br |
|
* I hate man macros. |
|
* Flat-out disallow this madness. |
|
*/ |
|
if (MAN_NSCOPED & man_macros[m->last->tok].flags) { |
|
man_pmsg(m, ln, ppos, MANDOCERR_SYNTLINESCOPE); |
|
return(0); |
|
} |
|
|
|
n = m->last; |
|
|
|
assert(n); |
|
assert(NULL == n->child); |
|
assert(0 == n->nchild); |
|
|
|
if ( ! man_nmsg(m, n, MANDOCERR_LINESCOPE)) |
|
return(0); |
|
|
|
man_node_delete(m, n); |
|
m->flags &= ~MAN_ELINE; |
|
} |
|
|
|
/* |
/* |
* Save the fact that we're in the next-line for a block. In |
* Some macros break next-line scopes; otherwise, remember |
* this way, embedded roff instructions can "remember" state |
* whether we are in next-line scope for a block head. |
* when they exit. |
|
*/ |
*/ |
|
|
if (MAN_BLINE & m->flags) |
man_breakscope(man, tok); |
m->flags |= MAN_BPLINE; |
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)(m, tok, ln, ppos, &i, buf)) |
(*man_macros[tok].fp)(man, tok, ln, ppos, &offs, buf); |
goto err; |
|
|
|
out: |
/* 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 & m->flags)) { |
if (man->quick && tok == MAN_SH) { |
m->flags &= ~MAN_ILINE; |
n = man->last; |
return(1); |
if (n->type == MAN_BODY && |
|
strcmp(n->prev->child->string, "NAME")) |
|
return(2); |
} |
} |
m->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 & m->flags) { |
if ( ! bline || man->flags & MAN_ELINE || |
m->flags &= ~MAN_ILINE; |
man_macros[tok].flags & MAN_NSCOPED) |
return(1); |
return(1); |
} |
|
|
|
/* |
assert(man->flags & MAN_BLINE); |
* If we've opened a new next-line element scope, then return |
man->flags &= ~MAN_BLINE; |
* now, as the next line will close out the block scope. |
|
*/ |
|
|
|
if (MAN_ELINE & m->flags) |
man_unscope(man, man->last->parent); |
return(1); |
man_body_alloc(man, ln, ppos, man->last->tok); |
|
return(1); |
|
} |
|
|
/* Close out the block scope opened in the prior line. */ |
void |
|
man_breakscope(struct man *man, enum mant tok) |
|
{ |
|
struct man_node *n; |
|
|
assert(MAN_BLINE & m->flags); |
/* |
m->flags &= ~MAN_BLINE; |
* An element next line scope is open, |
|
* and the new macro is not allowed inside elements. |
|
* Delete the element that is being broken. |
|
*/ |
|
|
if ( ! man_unscope(m, m->last->parent, MANDOCERR_MAX)) |
if (man->flags & MAN_ELINE && (tok == MAN_MAX || |
return(0); |
! (man_macros[tok].flags & MAN_NSCOPED))) { |
return(man_body_alloc(m, ln, offs, m->last->tok)); |
n = man->last; |
|
assert(n->type != MAN_TEXT); |
|
if (man_macros[n->tok].flags & MAN_NSCOPED) |
|
n = n->parent; |
|
|
err: /* Error out. */ |
mandoc_vmsg(MANDOCERR_BLK_LINE, man->parse, |
|
n->line, n->pos, "%s breaks %s", |
|
tok == MAN_MAX ? "TS" : man_macronames[tok], |
|
man_macronames[n->tok]); |
|
|
m->flags |= MAN_HALT; |
man_node_delete(man, n); |
return(0); |
man->flags &= ~MAN_ELINE; |
} |
} |
|
|
|
/* |
|
* 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. |
|
*/ |
|
|
int |
if (man->flags & MAN_BLINE && (tok == MAN_MAX || |
man_vmsg(struct man *man, enum mandocerr t, |
man_macros[tok].flags & MAN_BSCOPE)) { |
int ln, int pos, const char *fmt, ...) |
n = man->last; |
{ |
if (n->type == MAN_TEXT) |
char buf[256]; |
n = n->parent; |
va_list ap; |
if ( ! (man_macros[n->tok].flags & MAN_BSCOPE)) |
|
n = n->parent; |
|
|
va_start(ap, fmt); |
assert(n->type == MAN_HEAD); |
vsnprintf(buf, sizeof(buf) - 1, fmt, ap); |
n = n->parent; |
va_end(ap); |
assert(n->type == MAN_BLOCK); |
return((*man->msg)(t, man->data, ln, pos, buf)); |
assert(man_macros[n->tok].flags & MAN_SCOPED); |
} |
|
|
|
|
mandoc_vmsg(MANDOCERR_BLK_LINE, man->parse, |
|
n->line, n->pos, "%s breaks %s", |
|
tok == MAN_MAX ? "TS" : man_macronames[tok], |
|
man_macronames[n->tok]); |
|
|
|
man_node_delete(man, n); |
|
man->flags &= ~MAN_BLINE; |
|
} |
|
} |
|
|
/* |
/* |
* Unlink a node from its context. If "m" is provided, the last parse |
* Unlink a node from its context. If "man" is provided, the last parse |
* point will also be adjusted accordingly. |
* point will also be adjusted accordingly. |
*/ |
*/ |
static void |
static void |
man_node_unlink(struct man *m, struct man_node *n) |
man_node_unlink(struct man *man, struct man_node *n) |
{ |
{ |
|
|
/* Adjust siblings. */ |
/* Adjust siblings. */ |
Line 662 man_node_unlink(struct man *m, struct man_node *n) |
|
Line 615 man_node_unlink(struct man *m, struct man_node *n) |
|
|
|
/* Adjust parse point, if applicable. */ |
/* Adjust parse point, if applicable. */ |
|
|
if (m && m->last == n) { |
if (man && man->last == n) { |
/*XXX: this can occur when bailing from validation. */ |
/*XXX: this can occur when bailing from validation. */ |
/*assert(NULL == n->next);*/ |
/*assert(NULL == n->next);*/ |
if (n->prev) { |
if (n->prev) { |
m->last = n->prev; |
man->last = n->prev; |
m->next = MAN_NEXT_SIBLING; |
man->next = MAN_NEXT_SIBLING; |
} else { |
} else { |
m->last = n->parent; |
man->last = n->parent; |
m->next = MAN_NEXT_CHILD; |
man->next = MAN_NEXT_CHILD; |
} |
} |
} |
} |
|
|
if (m && m->first == n) |
if (man && man->first == n) |
m->first = NULL; |
man->first = NULL; |
|
} |
|
|
|
const struct mparse * |
|
man_mparse(const struct man *man) |
|
{ |
|
|
|
assert(man && man->parse); |
|
return(man->parse); |
|
} |
|
|
|
void |
|
man_deroff(char **dest, const struct man_node *n) |
|
{ |
|
char *cp; |
|
size_t sz; |
|
|
|
if (n->type != MAN_TEXT) { |
|
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; |
} |
} |