version 1.77, 2010/06/26 15:36:37 |
version 1.182, 2018/12/30 00:49:55 |
|
|
/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
|
* Copyright (c) 2013,2014,2015,2017,2018 Ingo Schwarze <schwarze@openbsd.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 |
* 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 |
|
#include "config.h" |
#include "config.h" |
#endif |
|
|
|
#include <sys/types.h> |
#include <sys/types.h> |
|
|
|
|
#include <stdio.h> |
#include <stdio.h> |
#include <string.h> |
#include <string.h> |
|
|
|
#include "mandoc_aux.h" |
#include "mandoc.h" |
#include "mandoc.h" |
#include "regs.h" |
#include "roff.h" |
#include "libman.h" |
#include "man.h" |
#include "libmandoc.h" |
#include "libmandoc.h" |
|
#include "roff_int.h" |
|
#include "libman.h" |
|
|
const char *const __man_macronames[MAN_MAX] = { |
static char *man_hasc(char *); |
"br", "TH", "SH", "SS", |
static int man_ptext(struct roff_man *, int, char *, int); |
"TP", "LP", "PP", "P", |
static int man_pmacro(struct roff_man *, int, char *, int); |
"IP", "HP", "SM", "SB", |
|
"BI", "IB", "BR", "RB", |
|
"R", "B", "I", "IR", |
|
"RI", "na", "i", "sp", |
|
"nf", "fi", "r", "RE", |
|
"RS", "DT", "UC", "PD", |
|
"Sp", "Vb", "Ve", "AT", |
|
}; |
|
|
|
const char * const *man_macronames = __man_macronames; |
|
|
|
static struct man_node *man_node_alloc(int, int, |
|
enum man_type, enum mant); |
|
static int man_node_append(struct man *, |
|
struct man_node *); |
|
static void man_node_free(struct man_node *); |
|
static void man_node_unlink(struct man *, |
|
struct man_node *); |
|
static int man_ptext(struct man *, int, char *, int); |
|
static int man_pmacro(struct man *, int, char *, int); |
|
static void man_free1(struct man *); |
|
static void man_alloc1(struct man *); |
|
static int macrowarn(struct man *, int, const char *, int); |
|
|
|
|
|
const struct man_node * |
|
man_node(const struct man *m) |
|
{ |
|
|
|
return(MAN_HALT & m->flags ? NULL : m->first); |
|
} |
|
|
|
|
|
const struct man_meta * |
|
man_meta(const struct man *m) |
|
{ |
|
|
|
return(MAN_HALT & m->flags ? NULL : &m->meta); |
|
} |
|
|
|
|
|
void |
|
man_reset(struct man *man) |
|
{ |
|
|
|
man_free1(man); |
|
man_alloc1(man); |
|
} |
|
|
|
|
|
void |
|
man_free(struct man *man) |
|
{ |
|
|
|
man_free1(man); |
|
free(man); |
|
} |
|
|
|
|
|
struct man * |
|
man_alloc(void *data, int pflags, mandocmsg msg) |
|
{ |
|
struct man *p; |
|
|
|
p = mandoc_calloc(1, sizeof(struct man)); |
|
|
|
man_hash_init(); |
|
p->data = data; |
|
p->pflags = pflags; |
|
p->msg = msg; |
|
|
|
man_alloc1(p); |
|
return(p); |
|
} |
|
|
|
|
|
int |
int |
man_endparse(struct man *m) |
man_parseln(struct roff_man *man, int ln, char *buf, int offs) |
{ |
{ |
|
|
if (MAN_HALT & m->flags) |
if (man->last->type != ROFFT_EQN || ln > man->last->line) |
return(0); |
man->flags |= MAN_NEWLINE; |
else if (man_macroend(m)) |
|
return(1); |
|
m->flags |= MAN_HALT; |
|
return(0); |
|
} |
|
|
|
|
return roff_getcontrol(man->roff, buf, &offs) ? |
int |
man_pmacro(man, ln, buf, offs) : |
man_parseln(struct man *m, const struct regset *regs, |
man_ptext(man, ln, buf, offs); |
int ln, char *buf, int offs) |
|
{ |
|
|
|
if (MAN_HALT & m->flags) |
|
return(0); |
|
|
|
return(('.' == buf[offs] || '\'' == buf[offs]) ? |
|
man_pmacro(m, ln, buf, offs) : |
|
man_ptext(m, ln, buf, offs)); |
|
} |
} |
|
|
|
|
static void |
|
man_free1(struct man *man) |
|
{ |
|
|
|
if (man->first) |
|
man_node_delete(man, man->first); |
|
if (man->meta.title) |
|
free(man->meta.title); |
|
if (man->meta.source) |
|
free(man->meta.source); |
|
if (man->meta.rawdate) |
|
free(man->meta.rawdate); |
|
if (man->meta.vol) |
|
free(man->meta.vol); |
|
if (man->meta.msec) |
|
free(man->meta.msec); |
|
} |
|
|
|
|
|
static void |
|
man_alloc1(struct man *m) |
|
{ |
|
|
|
memset(&m->meta, 0, sizeof(struct man_meta)); |
|
m->flags = 0; |
|
m->last = mandoc_calloc(1, sizeof(struct man_node)); |
|
m->first = m->last; |
|
m->last->type = MAN_ROOT; |
|
m->last->tok = MAN_MAX; |
|
m->next = MAN_NEXT_CHILD; |
|
} |
|
|
|
|
|
static int |
|
man_node_append(struct man *man, struct man_node *p) |
|
{ |
|
|
|
assert(man->last); |
|
assert(man->first); |
|
assert(MAN_ROOT != p->type); |
|
|
|
switch (man->next) { |
|
case (MAN_NEXT_SIBLING): |
|
man->last->next = p; |
|
p->prev = man->last; |
|
p->parent = man->last->parent; |
|
break; |
|
case (MAN_NEXT_CHILD): |
|
man->last->child = p; |
|
p->parent = man->last; |
|
break; |
|
default: |
|
abort(); |
|
/* NOTREACHED */ |
|
} |
|
|
|
assert(p->parent); |
|
p->parent->nchild++; |
|
|
|
if ( ! man_valid_pre(man, p)) |
|
return(0); |
|
|
|
switch (p->type) { |
|
case (MAN_HEAD): |
|
assert(MAN_BLOCK == p->parent->type); |
|
p->parent->head = p; |
|
break; |
|
case (MAN_BODY): |
|
assert(MAN_BLOCK == p->parent->type); |
|
p->parent->body = p; |
|
break; |
|
default: |
|
break; |
|
} |
|
|
|
man->last = p; |
|
|
|
switch (p->type) { |
|
case (MAN_TEXT): |
|
if ( ! man_valid_post(man)) |
|
return(0); |
|
if ( ! man_action_post(man)) |
|
return(0); |
|
break; |
|
default: |
|
break; |
|
} |
|
|
|
return(1); |
|
} |
|
|
|
|
|
static struct man_node * |
|
man_node_alloc(int line, int pos, enum man_type type, enum mant tok) |
|
{ |
|
struct man_node *p; |
|
|
|
p = mandoc_calloc(1, sizeof(struct man_node)); |
|
p->line = line; |
|
p->pos = pos; |
|
p->type = type; |
|
p->tok = tok; |
|
return(p); |
|
} |
|
|
|
|
|
int |
|
man_elem_alloc(struct man *m, int line, int pos, enum mant tok) |
|
{ |
|
struct man_node *p; |
|
|
|
p = man_node_alloc(line, pos, MAN_ELEM, tok); |
|
if ( ! man_node_append(m, p)) |
|
return(0); |
|
m->next = MAN_NEXT_CHILD; |
|
return(1); |
|
} |
|
|
|
|
|
int |
|
man_head_alloc(struct man *m, int line, int pos, enum mant tok) |
|
{ |
|
struct man_node *p; |
|
|
|
p = man_node_alloc(line, pos, MAN_HEAD, tok); |
|
if ( ! man_node_append(m, p)) |
|
return(0); |
|
m->next = MAN_NEXT_CHILD; |
|
return(1); |
|
} |
|
|
|
|
|
int |
|
man_body_alloc(struct man *m, int line, int pos, enum mant tok) |
|
{ |
|
struct man_node *p; |
|
|
|
p = man_node_alloc(line, pos, MAN_BODY, tok); |
|
if ( ! man_node_append(m, p)) |
|
return(0); |
|
m->next = MAN_NEXT_CHILD; |
|
return(1); |
|
} |
|
|
|
|
|
int |
|
man_block_alloc(struct man *m, int line, int pos, enum mant tok) |
|
{ |
|
struct man_node *p; |
|
|
|
p = man_node_alloc(line, pos, MAN_BLOCK, tok); |
|
if ( ! man_node_append(m, p)) |
|
return(0); |
|
m->next = MAN_NEXT_CHILD; |
|
return(1); |
|
} |
|
|
|
|
|
int |
|
man_word_alloc(struct man *m, int line, int pos, const char *word) |
|
{ |
|
struct man_node *n; |
|
size_t sv, len; |
|
|
|
len = strlen(word); |
|
|
|
n = man_node_alloc(line, pos, MAN_TEXT, MAN_MAX); |
|
n->string = mandoc_malloc(len + 1); |
|
sv = strlcpy(n->string, word, len + 1); |
|
|
|
/* Prohibit truncation. */ |
|
assert(sv < len + 1); |
|
|
|
if ( ! man_node_append(m, n)) |
|
return(0); |
|
|
|
m->next = MAN_NEXT_SIBLING; |
|
return(1); |
|
} |
|
|
|
|
|
/* |
/* |
* Free all of the resources held by a node. This does NOT unlink a |
* If the string ends with \c, return a pointer to the backslash. |
* node from its context; for that, see man_node_unlink(). |
* Otherwise, return NULL. |
*/ |
*/ |
static void |
static char * |
man_node_free(struct man_node *p) |
man_hasc(char *start) |
{ |
{ |
|
char *cp, *ep; |
|
|
if (p->string) |
ep = strchr(start, '\0') - 2; |
free(p->string); |
if (ep < start || ep[0] != '\\' || ep[1] != 'c') |
free(p); |
return NULL; |
|
for (cp = ep; cp > start; cp--) |
|
if (cp[-1] != '\\') |
|
break; |
|
return (ep - cp) % 2 ? NULL : ep; |
} |
} |
|
|
|
|
void |
void |
man_node_delete(struct man *m, struct man_node *p) |
man_descope(struct roff_man *man, int line, int offs, char *start) |
{ |
{ |
|
/* Trailing \c keeps next-line scope open. */ |
|
|
while (p->child) |
if (start != NULL && man_hasc(start) != NULL) |
man_node_delete(m, p->child); |
return; |
|
|
man_node_unlink(m, p); |
/* |
man_node_free(p); |
* Co-ordinate what happens with having a next-line scope open: |
|
* first close out the element scopes (if applicable), |
|
* then close out the block scope (also if applicable). |
|
*/ |
|
|
|
if (man->flags & MAN_ELINE) { |
|
while (man->last->parent->type != ROFFT_ROOT && |
|
man_macro(man->last->parent->tok)->flags & MAN_ESCOPED) |
|
man_unscope(man, man->last->parent); |
|
man->flags &= ~MAN_ELINE; |
|
} |
|
if ( ! (man->flags & MAN_BLINE)) |
|
return; |
|
man->flags &= ~MAN_BLINE; |
|
man_unscope(man, man->last->parent); |
|
roff_body_alloc(man, line, offs, man->last->tok); |
} |
} |
|
|
|
|
static int |
static int |
man_ptext(struct man *m, int line, char *buf, int offs) |
man_ptext(struct roff_man *man, int line, char *buf, int offs) |
{ |
{ |
int i; |
int i; |
|
char *ep; |
|
|
/* Ignore bogus comments. */ |
|
|
|
if ('\\' == buf[offs] && |
|
'.' == buf[offs + 1] && |
|
'"' == buf[offs + 2]) |
|
return(man_pmsg(m, line, offs, MANDOCERR_BADCOMMENT)); |
|
|
|
/* Literal free-form text whitespace is preserved. */ |
/* Literal free-form text whitespace is preserved. */ |
|
|
if (MAN_LITERAL & m->flags) { |
if (man->flags & MAN_LITERAL) { |
if ( ! man_word_alloc(m, line, offs, buf + offs)) |
roff_word_alloc(man, line, offs, buf + offs); |
return(0); |
man_descope(man, line, offs, buf + offs); |
goto descope; |
return 1; |
} |
} |
|
|
/* Pump blank lines directly into the backend. */ |
for (i = offs; buf[i] == ' '; i++) |
|
|
for (i = offs; ' ' == buf[i]; i++) |
|
/* Skip leading whitespace. */ ; |
/* Skip leading whitespace. */ ; |
|
|
if ('\0' == buf[i]) { |
/* |
/* Allocate a blank entry. */ |
* Blank lines are ignored in next line scope |
if ( ! man_word_alloc(m, line, offs, "")) |
* and right after headings and cancel preceding \c, |
return(0); |
* but add a single vertical space elsewhere. |
goto descope; |
*/ |
|
|
|
if (buf[i] == '\0') { |
|
if (man->flags & (MAN_ELINE | MAN_BLINE)) { |
|
mandoc_msg(MANDOCERR_BLK_BLANK, line, 0, NULL); |
|
return 1; |
|
} |
|
if (man->last->tok == MAN_SH || man->last->tok == MAN_SS) |
|
return 1; |
|
if (man->last->type == ROFFT_TEXT && |
|
((ep = man_hasc(man->last->string)) != NULL)) { |
|
*ep = '\0'; |
|
return 1; |
|
} |
|
roff_elem_alloc(man, line, offs, ROFF_sp); |
|
man->next = ROFF_NEXT_SIBLING; |
|
return 1; |
} |
} |
|
|
/* |
/* |
* 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!). |
*/ |
*/ |
|
|
i = (int)strlen(buf); |
i = (int)strlen(buf); |
Line 387 man_ptext(struct man *m, int line, char *buf, int offs |
|
Line 147 man_ptext(struct man *m, int line, char *buf, int offs |
|
|
|
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, line, i - 1, NULL); |
return(0); |
|
|
|
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 |
|
Line 157 man_ptext(struct man *m, int line, char *buf, int offs |
|
|
|
buf[i] = '\0'; |
buf[i] = '\0'; |
} |
} |
|
roff_word_alloc(man, line, offs, buf + offs); |
|
|
if ( ! man_word_alloc(m, line, offs, buf + offs)) |
|
return(0); |
|
|
|
/* |
/* |
* 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 167 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 |= NODE_EOS; |
|
|
descope: |
man_descope(man, line, offs, buf + 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 roff_man *man, int ln, char *buf, int offs) |
{ |
{ |
int rc; |
struct roff_node *n; |
|
const char *cp; |
|
size_t sz; |
|
enum roff_tok tok; |
|
int ppos; |
|
int bline; |
|
|
rc = man_vmsg(m, MANDOCERR_MACRO, ln, offs, |
/* Determine the line macro. */ |
"unknown macro: %s%s", |
|
buf, strlen(buf) > 3 ? "..." : ""); |
|
|
|
return(MAN_IGN_MACRO & m->pflags ? rc : 0); |
ppos = offs; |
} |
tok = TOKEN_NONE; |
|
for (sz = 0; sz < 4 && strchr(" \t\\", buf[offs]) == NULL; sz++) |
|
offs++; |
int |
if (sz > 0 && sz < 4) |
man_pmacro(struct man *m, int ln, char *buf, int offs) |
tok = roffhash_find(man->manmac, buf + ppos, sz); |
{ |
if (tok == TOKEN_NONE) { |
int i, j, ppos; |
mandoc_msg(MANDOCERR_MACRO, ln, ppos, "%s", buf + ppos - 1); |
enum mant tok; |
return 1; |
char mac[5]; |
|
struct man_node *n; |
|
|
|
/* Comments and empties are quickly ignored. */ |
|
|
|
offs++; |
|
|
|
if ('\0' == buf[offs]) |
|
return(1); |
|
|
|
i = offs; |
|
|
|
/* |
|
* Skip whitespace between the control character and initial |
|
* text. "Whitespace" is both spaces and tabs. |
|
*/ |
|
|
|
if (' ' == buf[i] || '\t' == buf[i]) { |
|
i++; |
|
while (buf[i] && (' ' == buf[i] || '\t' == buf[i])) |
|
i++; |
|
if ('\0' == buf[i]) |
|
goto out; |
|
} |
} |
|
|
ppos = i; |
/* Skip a leading escape sequence or tab. */ |
|
|
/* Copy the first word into a nil-terminated buffer. */ |
switch (buf[offs]) { |
|
case '\\': |
for (j = 0; j < 4; j++, i++) { |
cp = buf + offs + 1; |
if ('\0' == (mac[j] = buf[i])) |
mandoc_escape(&cp, NULL, NULL); |
break; |
offs = cp - buf; |
else if (' ' == buf[i]) |
break; |
break; |
case '\t': |
|
offs++; |
/* Check for invalid characters. */ |
break; |
|
default: |
if (isgraph((u_char)buf[i])) |
break; |
continue; |
|
if ( ! man_pmsg(m, ln, i, MANDOCERR_BADCHAR)) |
|
return(0); |
|
i--; |
|
} |
} |
|
|
mac[j] = '\0'; |
/* Jump to the next non-whitespace word. */ |
|
|
if (j == 4 || j < 1) { |
while (buf[offs] == ' ') |
if ( ! macrowarn(m, ln, mac, ppos)) |
offs++; |
goto err; |
|
return(1); |
|
} |
|
|
|
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. */ |
/* |
|
|
while (buf[i] && ' ' == buf[i]) |
|
i++; |
|
|
|
/* |
|
* 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, ln, offs - 1, NULL); |
goto err; |
|
|
|
/* |
/* |
* Remove prior ELINE macro, as it's being clobbering 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. |
|
*/ |
*/ |
|
|
if ( ! (MAN_NSCOPED & man_macros[tok].flags) && |
man_breakscope(man, tok); |
m->flags & MAN_ELINE) { |
bline = man->flags & MAN_BLINE; |
assert(MAN_TEXT != m->last->type); |
|
|
|
/* |
/* |
* This occurs in the following construction: |
* If the line in next-line scope ends with \c, keep the |
* .B |
* next-line scope open for the subsequent input line. |
* .br |
* That is not at all portable, only groff >= 1.22.4 |
* .B |
* does it, but *if* this weird idiom occurs in a manual |
* .br |
* page, that's very likely what the author intended. |
* 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; |
if (bline && man_hasc(buf + offs)) |
|
bline = 0; |
|
|
assert(n); |
/* Call to handler... */ |
assert(NULL == n->child); |
|
assert(0 == n->nchild); |
|
|
|
if ( ! man_nmsg(m, n, MANDOCERR_LINESCOPE)) |
(*man_macro(tok)->fp)(man, tok, ln, ppos, &offs, buf); |
return(0); |
|
|
|
man_node_delete(m, n); |
/* In quick mode (for mandocdb), abort after the NAME section. */ |
m->flags &= ~MAN_ELINE; |
|
|
if (man->quick && tok == MAN_SH) { |
|
n = man->last; |
|
if (n->type == ROFFT_BODY && |
|
strcmp(n->prev->child->string, "NAME")) |
|
return 2; |
} |
} |
|
|
/* |
/* |
* Save the fact that we're in the next-line for a block. In |
* If we are in a next-line scope for a block head, |
* this way, embedded roff instructions can "remember" state |
* close it out now and switch to the body, |
* when they exit. |
* unless the next-line scope is allowed to continue. |
*/ |
*/ |
|
|
if (MAN_BLINE & m->flags) |
if (bline == 0 || |
m->flags |= MAN_BPLINE; |
(man->flags & MAN_BLINE) == 0 || |
|
man->flags & MAN_ELINE || |
|
man_macro(tok)->flags & MAN_NSCOPED) |
|
return 1; |
|
|
/* Call to handler... */ |
man->flags &= ~MAN_BLINE; |
|
man_unscope(man, man->last->parent); |
|
roff_body_alloc(man, ln, ppos, man->last->tok); |
|
return 1; |
|
} |
|
|
assert(man_macros[tok].fp); |
void |
if ( ! (*man_macros[tok].fp)(m, tok, ln, ppos, &i, buf)) |
man_breakscope(struct roff_man *man, int tok) |
goto err; |
{ |
|
struct roff_node *n; |
|
|
out: |
/* |
/* |
* An element next line scope is open, |
* We weren't in a block-line scope when entering the |
* and the new macro is not allowed inside elements. |
* above-parsed macro, so return. |
* Delete the element that is being broken. |
*/ |
*/ |
|
|
if ( ! (MAN_BPLINE & m->flags)) { |
if (man->flags & MAN_ELINE && (tok < MAN_TH || |
m->flags &= ~MAN_ILINE; |
(man_macro(tok)->flags & MAN_NSCOPED) == 0)) { |
return(1); |
n = man->last; |
|
if (n->type == ROFFT_TEXT) |
|
n = n->parent; |
|
if (n->tok < MAN_TH || |
|
(man_macro(n->tok)->flags & (MAN_NSCOPED | MAN_ESCOPED)) |
|
== MAN_NSCOPED) |
|
n = n->parent; |
|
|
|
mandoc_msg(MANDOCERR_BLK_LINE, n->line, n->pos, |
|
"%s breaks %s", roff_name[tok], roff_name[n->tok]); |
|
|
|
roff_node_delete(man, n); |
|
man->flags &= ~MAN_ELINE; |
} |
} |
m->flags &= ~MAN_BPLINE; |
|
|
|
/* |
/* |
* If we're in a block scope, then allow this macro to slip by |
* Weird special case: |
* without closing scope around it. |
* Switching fill mode closes section headers. |
*/ |
*/ |
|
|
if (MAN_ILINE & m->flags) { |
if (man->flags & MAN_BLINE && |
m->flags &= ~MAN_ILINE; |
(tok == MAN_nf || tok == MAN_fi) && |
return(1); |
(man->last->tok == MAN_SH || man->last->tok == MAN_SS)) { |
|
n = man->last; |
|
man_unscope(man, n); |
|
roff_body_alloc(man, n->line, n->pos, n->tok); |
|
man->flags &= ~MAN_BLINE; |
} |
} |
|
|
/* |
/* |
* If we've opened a new next-line element scope, then return |
* A block header next line scope is open, |
* now, as the next line will close out the block scope. |
* and the new macro is not allowed inside block headers. |
|
* Delete the block that is being broken. |
*/ |
*/ |
|
|
if (MAN_ELINE & m->flags) |
if (man->flags & MAN_BLINE && (tok < MAN_TH || |
return(1); |
man_macro(tok)->flags & MAN_XSCOPE)) { |
|
n = man->last; |
|
if (n->type == ROFFT_TEXT) |
|
n = n->parent; |
|
if (n->tok < MAN_TH || |
|
(man_macro(n->tok)->flags & MAN_XSCOPE) == 0) |
|
n = n->parent; |
|
|
/* Close out the block scope opened in the prior line. */ |
assert(n->type == ROFFT_HEAD); |
|
n = n->parent; |
|
assert(n->type == ROFFT_BLOCK); |
|
assert(man_macro(n->tok)->flags & MAN_BSCOPED); |
|
|
assert(MAN_BLINE & m->flags); |
mandoc_msg(MANDOCERR_BLK_LINE, n->line, n->pos, |
m->flags &= ~MAN_BLINE; |
"%s breaks %s", roff_name[tok], roff_name[n->tok]); |
|
|
if ( ! man_unscope(m, m->last->parent, MANDOCERR_MAX)) |
roff_node_delete(man, n); |
return(0); |
man->flags &= ~MAN_BLINE; |
return(man_body_alloc(m, ln, offs, m->last->tok)); |
} |
|
|
err: /* Error out. */ |
|
|
|
m->flags |= MAN_HALT; |
|
return(0); |
|
} |
} |
|
|
|
void |
int |
man_state(struct roff_man *man, struct roff_node *n) |
man_vmsg(struct man *man, enum mandocerr t, |
|
int ln, int pos, const char *fmt, ...) |
|
{ |
{ |
char buf[256]; |
|
va_list ap; |
|
|
|
va_start(ap, fmt); |
switch(n->tok) { |
vsnprintf(buf, sizeof(buf) - 1, fmt, ap); |
case MAN_nf: |
va_end(ap); |
case MAN_EX: |
return((*man->msg)(t, man->data, ln, pos, buf)); |
if (man->flags & MAN_LITERAL && ! (n->flags & NODE_VALID)) |
|
mandoc_msg(MANDOCERR_NF_SKIP, 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, n->line, n->pos, "fi"); |
|
man->flags &= ~MAN_LITERAL; |
|
break; |
|
default: |
|
break; |
|
} |
|
man->last->flags |= NODE_VALID; |
} |
} |
|
|
|
void |
/* |
man_validate(struct roff_man *man) |
* Unlink a node from its context. If "m" is provided, the last parse |
|
* point will also be adjusted accordingly. |
|
*/ |
|
static void |
|
man_node_unlink(struct man *m, struct man_node *n) |
|
{ |
{ |
|
|
/* Adjust siblings. */ |
man->last = man->meta.first; |
|
man_node_validate(man); |
if (n->prev) |
man->flags &= ~MAN_LITERAL; |
n->prev->next = n->next; |
|
if (n->next) |
|
n->next->prev = n->prev; |
|
|
|
/* Adjust parent. */ |
|
|
|
if (n->parent) { |
|
n->parent->nchild--; |
|
if (n->parent->child == n) |
|
n->parent->child = n->prev ? n->prev : n->next; |
|
} |
|
|
|
/* Adjust parse point, if applicable. */ |
|
|
|
if (m && m->last == n) { |
|
/*XXX: this can occur when bailing from validation. */ |
|
/*assert(NULL == n->next);*/ |
|
if (n->prev) { |
|
m->last = n->prev; |
|
m->next = MAN_NEXT_SIBLING; |
|
} else { |
|
m->last = n->parent; |
|
m->next = MAN_NEXT_CHILD; |
|
} |
|
} |
|
|
|
if (m && m->first == n) |
|
m->first = NULL; |
|
} |
} |