version 1.106, 2010/12/02 10:53:03 |
version 1.122, 2011/01/16 04:00:34 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2010 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2010 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2010, 2011 Ingo Schwarze <schwarze@openbsd.org> |
* |
* |
* Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
* purpose with or without fee is hereby granted, provided that the above |
* purpose with or without fee is hereby granted, provided that the above |
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#include "mandoc.h" |
#include "mandoc.h" |
#include "roff.h" |
#include "roff.h" |
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#include "libroff.h" |
#include "libmandoc.h" |
#include "libmandoc.h" |
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#define RSTACK_MAX 128 |
#define RSTACK_MAX 128 |
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#define ROFF_CTL(c) \ |
#define ROFF_CTL(c) \ |
('.' == (c) || '\'' == (c)) |
('.' == (c) || '\'' == (c)) |
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#if 1 |
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#define ROFF_DEBUG(fmt, args...) \ |
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do { /* Nothing. */ } while (/*CONSTCOND*/ 0) |
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#else |
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#define ROFF_DEBUG(fmt, args...) \ |
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do { fprintf(stderr, fmt , ##args); } while (/*CONSTCOND*/ 0) |
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#endif |
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enum rofft { |
enum rofft { |
ROFF_ad, |
ROFF_ad, |
ROFF_am, |
ROFF_am, |
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ROFF_rm, |
ROFF_rm, |
ROFF_so, |
ROFF_so, |
ROFF_tr, |
ROFF_tr, |
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ROFF_TS, |
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ROFF_TE, |
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ROFF_T_, |
ROFF_cblock, |
ROFF_cblock, |
ROFF_ccond, /* FIXME: remove this. */ |
ROFF_ccond, /* FIXME: remove this. */ |
ROFF_USERDEF, |
ROFF_USERDEF, |
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ROFFRULE_DENY |
ROFFRULE_DENY |
}; |
}; |
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struct roffstr { |
struct roffstr { |
char *name; /* key of symbol */ |
char *name; /* key of symbol */ |
char *string; /* current value */ |
char *string; /* current value */ |
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struct regset *regs; /* read/writable registers */ |
struct regset *regs; /* read/writable registers */ |
struct roffstr *first_string; /* user-defined strings & macros */ |
struct roffstr *first_string; /* user-defined strings & macros */ |
const char *current_string; /* value of last called user macro */ |
const char *current_string; /* value of last called user macro */ |
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struct tbl_node *first_tbl; /* first table parsed */ |
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struct tbl_node *last_tbl; /* last table parsed */ |
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struct tbl_node *tbl; /* current table being parsed */ |
}; |
}; |
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struct roffnode { |
struct roffnode { |
Line 136 static enum rofferr roff_cond_sub(ROFF_ARGS); |
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Line 134 static enum rofferr roff_cond_sub(ROFF_ARGS); |
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static enum rofferr roff_ds(ROFF_ARGS); |
static enum rofferr roff_ds(ROFF_ARGS); |
static enum roffrule roff_evalcond(const char *, int *); |
static enum roffrule roff_evalcond(const char *, int *); |
static void roff_freestr(struct roff *); |
static void roff_freestr(struct roff *); |
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static char *roff_getname(struct roff *, char **, int, int); |
static const char *roff_getstrn(const struct roff *, |
static const char *roff_getstrn(const struct roff *, |
const char *, size_t); |
const char *, size_t); |
static enum rofferr roff_line_ignore(ROFF_ARGS); |
static enum rofferr roff_line_ignore(ROFF_ARGS); |
static enum rofferr roff_line_error(ROFF_ARGS); |
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static enum rofferr roff_nr(ROFF_ARGS); |
static enum rofferr roff_nr(ROFF_ARGS); |
static int roff_res(struct roff *, |
static int roff_res(struct roff *, |
char **, size_t *, int); |
char **, size_t *, int); |
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static enum rofferr roff_rm(ROFF_ARGS); |
static void roff_setstr(struct roff *, |
static void roff_setstr(struct roff *, |
const char *, const char *, int); |
const char *, const char *, int); |
static enum rofferr roff_so(ROFF_ARGS); |
static enum rofferr roff_so(ROFF_ARGS); |
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static enum rofferr roff_TE(ROFF_ARGS); |
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static enum rofferr roff_TS(ROFF_ARGS); |
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static enum rofferr roff_T_(ROFF_ARGS); |
static enum rofferr roff_userdef(ROFF_ARGS); |
static enum rofferr roff_userdef(ROFF_ARGS); |
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/* See roff_hash_find() */ |
/* See roff_hash_find() */ |
Line 173 static struct roffmac roffs[ROFF_MAX] = { |
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Line 175 static struct roffmac roffs[ROFF_MAX] = { |
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{ "ne", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "ne", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "nh", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "nh", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "nr", roff_nr, NULL, NULL, 0, NULL }, |
{ "nr", roff_nr, NULL, NULL, 0, NULL }, |
{ "rm", roff_line_error, NULL, NULL, 0, NULL }, |
{ "rm", roff_rm, NULL, NULL, 0, NULL }, |
{ "so", roff_so, NULL, NULL, 0, NULL }, |
{ "so", roff_so, NULL, NULL, 0, NULL }, |
{ "tr", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "tr", roff_line_ignore, NULL, NULL, 0, NULL }, |
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{ "TS", roff_TS, NULL, NULL, 0, NULL }, |
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{ "TE", roff_TE, NULL, NULL, 0, NULL }, |
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{ "T&", roff_T_, NULL, NULL, 0, NULL }, |
{ ".", roff_cblock, NULL, NULL, 0, NULL }, |
{ ".", roff_cblock, NULL, NULL, 0, NULL }, |
{ "\\}", roff_ccond, NULL, NULL, 0, NULL }, |
{ "\\}", roff_ccond, NULL, NULL, 0, NULL }, |
{ NULL, roff_userdef, NULL, NULL, 0, NULL }, |
{ NULL, roff_userdef, NULL, NULL, 0, NULL }, |
Line 264 roffnode_pop(struct roff *r) |
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Line 269 roffnode_pop(struct roff *r) |
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if (r->rstackpos > -1) |
if (r->rstackpos > -1) |
r->rstackpos--; |
r->rstackpos--; |
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ROFF_DEBUG("roff: popping scope\n"); |
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r->last = r->last->parent; |
r->last = r->last->parent; |
free(p->name); |
free(p->name); |
free(p->end); |
free(p->end); |
Line 298 roffnode_push(struct roff *r, enum rofft tok, const ch |
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Line 302 roffnode_push(struct roff *r, enum rofft tok, const ch |
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static void |
static void |
roff_free1(struct roff *r) |
roff_free1(struct roff *r) |
{ |
{ |
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struct tbl_node *t; |
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while (r->first_tbl) { |
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t = r->first_tbl; |
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r->first_tbl = t->next; |
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tbl_free(t); |
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} |
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r->first_tbl = r->last_tbl = r->tbl = NULL; |
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while (r->last) |
while (r->last) |
roffnode_pop(r); |
roffnode_pop(r); |
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roff_freestr(r); |
roff_freestr(r); |
} |
} |
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Line 346 roff_alloc(struct regset *regs, void *data, const mand |
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Line 360 roff_alloc(struct regset *regs, void *data, const mand |
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static int |
static int |
roff_res(struct roff *r, char **bufp, size_t *szp, int pos) |
roff_res(struct roff *r, char **bufp, size_t *szp, int pos) |
{ |
{ |
const char *cp, *cpp, *st, *res; |
const char *stesc; /* start of an escape sequence ('\\') */ |
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const char *stnam; /* start of the name, after "[(*" */ |
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const char *cp; /* end of the name, e.g. before ']' */ |
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const char *res; /* the string to be substituted */ |
int i, maxl; |
int i, maxl; |
size_t nsz; |
size_t nsz; |
char *n; |
char *n; |
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/* LINTED */ |
/* Search for a leading backslash and save a pointer to it. */ |
for (cp = &(*bufp)[pos]; (cpp = strstr(cp, "\\*")); cp++) { |
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cp = cpp + 2; |
cp = *bufp + pos; |
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while (NULL != (cp = strchr(cp, '\\'))) { |
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stesc = cp++; |
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/* |
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* The second character must be an asterisk. |
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* If it isn't, skip it anyway: It is escaped, |
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* so it can't start another escape sequence. |
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*/ |
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if ('\0' == *cp) |
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return(1); |
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if ('*' != *cp++) |
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continue; |
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/* |
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* The third character decides the length |
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* of the name of the string. |
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* Save a pointer to the name. |
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*/ |
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switch (*cp) { |
switch (*cp) { |
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case ('\0'): |
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return(1); |
case ('('): |
case ('('): |
cp++; |
cp++; |
maxl = 2; |
maxl = 2; |
Line 367 roff_res(struct roff *r, char **bufp, size_t *szp, int |
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Line 406 roff_res(struct roff *r, char **bufp, size_t *szp, int |
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maxl = 1; |
maxl = 1; |
break; |
break; |
} |
} |
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stnam = cp; |
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st = cp; |
/* Advance to the end of the name. */ |
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for (i = 0; 0 == maxl || i < maxl; i++, cp++) { |
for (i = 0; 0 == maxl || i < maxl; i++, cp++) { |
if ('\0' == *cp) |
if ('\0' == *cp) |
Line 377 roff_res(struct roff *r, char **bufp, size_t *szp, int |
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Line 417 roff_res(struct roff *r, char **bufp, size_t *szp, int |
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break; |
break; |
} |
} |
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res = roff_getstrn(r, st, (size_t)i); |
/* |
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* Retrieve the replacement string; if it is |
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* undefined, resume searching for escapes. |
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*/ |
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res = roff_getstrn(r, stnam, (size_t)i); |
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if (NULL == res) { |
if (NULL == res) { |
cp -= maxl ? 1 : 0; |
cp -= maxl ? 1 : 0; |
continue; |
continue; |
} |
} |
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ROFF_DEBUG("roff: splicing reserved: [%.*s]\n", i, st); |
/* Replace the escape sequence by the string. */ |
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nsz = *szp + strlen(res) + 1; |
nsz = *szp + strlen(res) + 1; |
n = mandoc_malloc(nsz); |
n = mandoc_malloc(nsz); |
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*n = '\0'; |
strlcpy(n, *bufp, (size_t)(stesc - *bufp + 1)); |
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strlcat(n, *bufp, (size_t)(cpp - *bufp + 1)); |
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strlcat(n, res, nsz); |
strlcat(n, res, nsz); |
strlcat(n, cp + (maxl ? 0 : 1), nsz); |
strlcat(n, cp + (maxl ? 0 : 1), nsz); |
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Line 411 roff_parseln(struct roff *r, int ln, char **bufp, |
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Line 454 roff_parseln(struct roff *r, int ln, char **bufp, |
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size_t *szp, int pos, int *offs) |
size_t *szp, int pos, int *offs) |
{ |
{ |
enum rofft t; |
enum rofft t; |
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enum rofferr e; |
int ppos; |
int ppos; |
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/* |
/* |
Line 430 roff_parseln(struct roff *r, int ln, char **bufp, |
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Line 474 roff_parseln(struct roff *r, int ln, char **bufp, |
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if (r->last && ! ROFF_CTL((*bufp)[pos])) { |
if (r->last && ! ROFF_CTL((*bufp)[pos])) { |
t = r->last->tok; |
t = r->last->tok; |
assert(roffs[t].text); |
assert(roffs[t].text); |
ROFF_DEBUG("roff: intercept scoped text: %s, [%s]\n", |
e = (*roffs[t].text) |
roffs[t].name, &(*bufp)[pos]); |
(r, t, bufp, szp, ln, pos, pos, offs); |
return((*roffs[t].text) |
assert(ROFF_IGN == e || ROFF_CONT == e); |
(r, t, bufp, szp, |
if (ROFF_CONT == e && r->tbl) |
ln, pos, pos, offs)); |
return(tbl_read(r->tbl, ln, *bufp, *offs)); |
} else if ( ! ROFF_CTL((*bufp)[pos])) |
return(e); |
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} else if ( ! ROFF_CTL((*bufp)[pos])) { |
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if (r->tbl) |
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return(tbl_read(r->tbl, ln, *bufp, *offs)); |
return(ROFF_CONT); |
return(ROFF_CONT); |
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} |
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/* |
/* |
* If a scope is open, go to the child handler for that macro, |
* If a scope is open, go to the child handler for that macro, |
Line 446 roff_parseln(struct roff *r, int ln, char **bufp, |
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Line 494 roff_parseln(struct roff *r, int ln, char **bufp, |
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if (r->last) { |
if (r->last) { |
t = r->last->tok; |
t = r->last->tok; |
assert(roffs[t].sub); |
assert(roffs[t].sub); |
ROFF_DEBUG("roff: intercept scoped context: %s, [%s]\n", |
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roffs[t].name, &(*bufp)[pos]); |
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return((*roffs[t].sub) |
return((*roffs[t].sub) |
(r, t, bufp, szp, |
(r, t, bufp, szp, |
ln, pos, pos, offs)); |
ln, pos, pos, offs)); |
Line 463 roff_parseln(struct roff *r, int ln, char **bufp, |
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Line 509 roff_parseln(struct roff *r, int ln, char **bufp, |
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if (ROFF_MAX == (t = roff_parse(r, *bufp, &pos))) |
if (ROFF_MAX == (t = roff_parse(r, *bufp, &pos))) |
return(ROFF_CONT); |
return(ROFF_CONT); |
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ROFF_DEBUG("roff: intercept new-scope: %s, [%s]\n", |
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roffs[t].name, &(*bufp)[pos]); |
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assert(roffs[t].proc); |
assert(roffs[t].proc); |
return((*roffs[t].proc) |
return((*roffs[t].proc) |
(r, t, bufp, szp, |
(r, t, bufp, szp, |
Line 472 roff_parseln(struct roff *r, int ln, char **bufp, |
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Line 516 roff_parseln(struct roff *r, int ln, char **bufp, |
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} |
} |
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int |
void |
roff_endparse(struct roff *r) |
roff_endparse(struct roff *r) |
{ |
{ |
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if (NULL == r->last) |
if (r->last) |
return(1); |
(*r->msg)(MANDOCERR_SCOPEEXIT, r->data, |
return((*r->msg)(MANDOCERR_SCOPEEXIT, r->data, r->last->line, |
r->last->line, r->last->col, NULL); |
r->last->col, NULL)); |
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if (r->tbl) { |
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(*r->msg)(MANDOCERR_SCOPEEXIT, r->data, |
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r->tbl->line, r->tbl->pos, NULL); |
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tbl_end(r->tbl); |
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r->tbl = NULL; |
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} |
} |
} |
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Line 548 roff_cblock(ROFF_ARGS) |
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Line 598 roff_cblock(ROFF_ARGS) |
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*/ |
*/ |
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if (NULL == r->last) { |
if (NULL == r->last) { |
if ( ! (*r->msg)(MANDOCERR_NOSCOPE, r->data, ln, ppos, NULL)) |
(*r->msg)(MANDOCERR_NOSCOPE, r->data, ln, ppos, NULL); |
return(ROFF_ERR); |
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return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
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Line 561 roff_cblock(ROFF_ARGS) |
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Line 610 roff_cblock(ROFF_ARGS) |
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case (ROFF_am1): |
case (ROFF_am1): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (ROFF_de): |
case (ROFF_de): |
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/* ROFF_de1 is remapped to ROFF_de in roff_block(). */ |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (ROFF_dei): |
case (ROFF_dei): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (ROFF_ig): |
case (ROFF_ig): |
break; |
break; |
default: |
default: |
if ( ! (*r->msg)(MANDOCERR_NOSCOPE, r->data, ln, ppos, NULL)) |
(*r->msg)(MANDOCERR_NOSCOPE, r->data, ln, ppos, NULL); |
return(ROFF_ERR); |
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return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
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if ((*bufp)[pos]) |
if ((*bufp)[pos]) |
if ( ! (*r->msg)(MANDOCERR_ARGSLOST, r->data, ln, pos, NULL)) |
(*r->msg)(MANDOCERR_ARGSLOST, r->data, ln, pos, NULL); |
return(ROFF_ERR); |
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roffnode_pop(r); |
roffnode_pop(r); |
roffnode_cleanscope(r); |
roffnode_cleanscope(r); |
Line 601 roff_ccond(ROFF_ARGS) |
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Line 649 roff_ccond(ROFF_ARGS) |
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{ |
{ |
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if (NULL == r->last) { |
if (NULL == r->last) { |
if ( ! (*r->msg)(MANDOCERR_NOSCOPE, r->data, ln, ppos, NULL)) |
(*r->msg)(MANDOCERR_NOSCOPE, r->data, ln, ppos, NULL); |
return(ROFF_ERR); |
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return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
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Line 614 roff_ccond(ROFF_ARGS) |
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Line 661 roff_ccond(ROFF_ARGS) |
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case (ROFF_if): |
case (ROFF_if): |
break; |
break; |
default: |
default: |
if ( ! (*r->msg)(MANDOCERR_NOSCOPE, r->data, ln, ppos, NULL)) |
(*r->msg)(MANDOCERR_NOSCOPE, r->data, ln, ppos, NULL); |
return(ROFF_ERR); |
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return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
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if (r->last->endspan > -1) { |
if (r->last->endspan > -1) { |
if ( ! (*r->msg)(MANDOCERR_NOSCOPE, r->data, ln, ppos, NULL)) |
(*r->msg)(MANDOCERR_NOSCOPE, r->data, ln, ppos, NULL); |
return(ROFF_ERR); |
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return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
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if ((*bufp)[pos]) |
if ((*bufp)[pos]) |
if ( ! (*r->msg)(MANDOCERR_ARGSLOST, r->data, ln, pos, NULL)) |
(*r->msg)(MANDOCERR_ARGSLOST, r->data, ln, pos, NULL); |
return(ROFF_ERR); |
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roffnode_pop(r); |
roffnode_pop(r); |
roffnode_cleanscope(r); |
roffnode_cleanscope(r); |
Line 650 roff_block(ROFF_ARGS) |
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Line 694 roff_block(ROFF_ARGS) |
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(*r->msg)(MANDOCERR_NOARGS, r->data, ln, ppos, NULL); |
(*r->msg)(MANDOCERR_NOARGS, r->data, ln, ppos, NULL); |
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
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/* |
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* Re-write `de1', since we don't really care about |
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* groff's strange compatibility mode, into `de'. |
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*/ |
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if (ROFF_de1 == tok) |
if (ROFF_de1 == tok) |
tok = ROFF_de; |
tok = ROFF_de; |
if (ROFF_de == tok) |
if (ROFF_de == tok) |
Line 657 roff_block(ROFF_ARGS) |
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Line 707 roff_block(ROFF_ARGS) |
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else |
else |
(*r->msg)(MANDOCERR_REQUEST, r->data, ln, ppos, |
(*r->msg)(MANDOCERR_REQUEST, r->data, ln, ppos, |
roffs[tok].name); |
roffs[tok].name); |
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while ((*bufp)[pos] && ' ' != (*bufp)[pos]) |
while ((*bufp)[pos] && ' ' != (*bufp)[pos]) |
pos++; |
pos++; |
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while (' ' == (*bufp)[pos]) |
while (' ' == (*bufp)[pos]) |
(*bufp)[pos++] = '\0'; |
(*bufp)[pos++] = '\0'; |
} |
} |
Line 670 roff_block(ROFF_ARGS) |
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Line 722 roff_block(ROFF_ARGS) |
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* with the same name, if there is one. New content will be |
* with the same name, if there is one. New content will be |
* added from roff_block_text() in multiline mode. |
* added from roff_block_text() in multiline mode. |
*/ |
*/ |
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if (ROFF_de == tok) |
if (ROFF_de == tok) |
roff_setstr(r, name, "", 0); |
roff_setstr(r, name, "", 0); |
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if ('\0' == (*bufp)[pos]) |
if ('\0' == (*bufp)[pos]) |
return(ROFF_IGN); |
return(ROFF_IGN); |
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/* If present, process the custom end-of-line marker. */ |
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sv = pos; |
sv = pos; |
while ((*bufp)[pos] && ' ' != (*bufp)[pos] && |
while ((*bufp)[pos] && |
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' ' != (*bufp)[pos] && |
'\t' != (*bufp)[pos]) |
'\t' != (*bufp)[pos]) |
pos++; |
pos++; |
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Line 699 roff_block(ROFF_ARGS) |
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Line 755 roff_block(ROFF_ARGS) |
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r->last->end[(int)sz] = '\0'; |
r->last->end[(int)sz] = '\0'; |
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if ((*bufp)[pos]) |
if ((*bufp)[pos]) |
if ( ! (*r->msg)(MANDOCERR_ARGSLOST, r->data, ln, pos, NULL)) |
(*r->msg)(MANDOCERR_ARGSLOST, r->data, ln, pos, NULL); |
return(ROFF_ERR); |
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|
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return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
Line 885 roff_line_ignore(ROFF_ARGS) |
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Line 940 roff_line_ignore(ROFF_ARGS) |
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/* ARGSUSED */ |
/* ARGSUSED */ |
static enum rofferr |
static enum rofferr |
roff_line_error(ROFF_ARGS) |
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{ |
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|
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(*r->msg)(MANDOCERR_REQUEST, r->data, ln, ppos, roffs[tok].name); |
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return(ROFF_IGN); |
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} |
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/* ARGSUSED */ |
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static enum rofferr |
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roff_cond(ROFF_ARGS) |
roff_cond(ROFF_ARGS) |
{ |
{ |
int sv; |
int sv; |
Line 933 roff_cond(ROFF_ARGS) |
|
Line 979 roff_cond(ROFF_ARGS) |
|
*/ |
*/ |
|
|
if ('\0' == (*bufp)[pos] && sv != pos) { |
if ('\0' == (*bufp)[pos] && sv != pos) { |
if ((*r->msg)(MANDOCERR_NOARGS, r->data, ln, ppos, NULL)) |
(*r->msg)(MANDOCERR_NOARGS, r->data, ln, ppos, NULL); |
return(ROFF_IGN); |
return(ROFF_IGN); |
return(ROFF_ERR); |
|
} |
} |
|
|
roffnode_push(r, tok, NULL, ln, ppos); |
roffnode_push(r, tok, NULL, ln, ppos); |
|
|
r->last->rule = rule; |
r->last->rule = rule; |
|
|
ROFF_DEBUG("roff: cond: %s -> %s\n", roffs[tok].name, |
|
ROFFRULE_ALLOW == rule ? "allow" : "deny"); |
|
|
|
if (ROFF_ie == tok) { |
if (ROFF_ie == tok) { |
/* |
/* |
* An if-else will put the NEGATION of the current |
* An if-else will put the NEGATION of the current |
Line 959 roff_cond(ROFF_ARGS) |
|
Line 1001 roff_cond(ROFF_ARGS) |
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|
|
/* If the parent has false as its rule, then so do we. */ |
/* If the parent has false as its rule, then so do we. */ |
|
|
if (r->last->parent && ROFFRULE_DENY == r->last->parent->rule) { |
if (r->last->parent && ROFFRULE_DENY == r->last->parent->rule) |
r->last->rule = ROFFRULE_DENY; |
r->last->rule = ROFFRULE_DENY; |
ROFF_DEBUG("roff: cond override: %s -> deny\n", |
|
roffs[tok].name); |
|
} |
|
|
|
/* |
/* |
* Determine scope. If we're invoked with "\{" trailing the |
* Determine scope. If we're invoked with "\{" trailing the |
Line 976 roff_cond(ROFF_ARGS) |
|
Line 1015 roff_cond(ROFF_ARGS) |
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if ('\\' == (*bufp)[pos] && '{' == (*bufp)[pos + 1]) { |
if ('\\' == (*bufp)[pos] && '{' == (*bufp)[pos + 1]) { |
r->last->endspan = -1; |
r->last->endspan = -1; |
pos += 2; |
pos += 2; |
ROFF_DEBUG("roff: cond-scope: %s, multi-line\n", |
} |
roffs[tok].name); |
|
} else |
|
ROFF_DEBUG("roff: cond-scope: %s, one-line\n", |
|
roffs[tok].name); |
|
|
|
/* |
/* |
* If there are no arguments on the line, the next-line scope is |
* If there are no arguments on the line, the next-line scope is |
Line 1013 roff_ds(ROFF_ARGS) |
|
Line 1048 roff_ds(ROFF_ARGS) |
|
* will have `bar " ' as its value. |
* will have `bar " ' as its value. |
*/ |
*/ |
|
|
name = *bufp + pos; |
string = *bufp + pos; |
|
name = roff_getname(r, &string, ln, pos); |
if ('\0' == *name) |
if ('\0' == *name) |
return(ROFF_IGN); |
return(ROFF_IGN); |
|
|
string = name; |
/* Read past initial double-quote. */ |
/* Read until end of name. */ |
if ('"' == *string) |
while (*string && ' ' != *string) |
|
string++; |
string++; |
|
|
/* Nil-terminate name. */ |
|
if (*string) |
|
*(string++) = '\0'; |
|
|
|
/* Read past spaces. */ |
|
while (*string && ' ' == *string) |
|
string++; |
|
|
|
/* Read passed initial double-quote. */ |
|
if (*string && '"' == *string) |
|
string++; |
|
|
|
/* The rest is the value. */ |
/* The rest is the value. */ |
roff_setstr(r, name, string, 0); |
roff_setstr(r, name, string, 0); |
return(ROFF_IGN); |
return(ROFF_IGN); |
Line 1044 roff_ds(ROFF_ARGS) |
|
Line 1067 roff_ds(ROFF_ARGS) |
|
static enum rofferr |
static enum rofferr |
roff_nr(ROFF_ARGS) |
roff_nr(ROFF_ARGS) |
{ |
{ |
const char *key, *val; |
const char *key; |
|
char *val; |
struct reg *rg; |
struct reg *rg; |
|
|
key = &(*bufp)[pos]; |
val = *bufp + pos; |
|
key = roff_getname(r, &val, ln, pos); |
rg = r->regs->regs; |
rg = r->regs->regs; |
|
|
/* Parse register request. */ |
if (0 == strcmp(key, "nS")) { |
while ((*bufp)[pos] && ' ' != (*bufp)[pos]) |
rg[(int)REG_nS].set = 1; |
pos++; |
if ( ! roff_parse_nat(val, &rg[(int)REG_nS].v.u)) |
|
rg[(int)REG_nS].v.u = 0; |
|
} |
|
|
/* |
return(ROFF_IGN); |
* Set our nil terminator. Because this line is going to be |
} |
* ignored anyway, we can munge it as we please. |
|
*/ |
|
if ((*bufp)[pos]) |
|
(*bufp)[pos++] = '\0'; |
|
|
|
/* Skip whitespace to register token. */ |
/* ARGSUSED */ |
while ((*bufp)[pos] && ' ' == (*bufp)[pos]) |
static enum rofferr |
pos++; |
roff_rm(ROFF_ARGS) |
|
{ |
|
const char *name; |
|
char *cp; |
|
|
val = &(*bufp)[pos]; |
cp = *bufp + pos; |
|
while ('\0' != *cp) { |
|
name = roff_getname(r, &cp, ln, cp - *bufp); |
|
if ('\0' != *name) |
|
roff_setstr(r, name, NULL, 0); |
|
} |
|
return(ROFF_IGN); |
|
} |
|
|
/* Process register token. */ |
/* ARGSUSED */ |
|
static enum rofferr |
|
roff_TE(ROFF_ARGS) |
|
{ |
|
|
if (0 == strcmp(key, "nS")) { |
if (NULL == r->tbl) |
rg[(int)REG_nS].set = 1; |
(*r->msg)(MANDOCERR_NOSCOPE, r->data, ln, ppos, NULL); |
if ( ! roff_parse_nat(val, &rg[(int)REG_nS].v.u)) |
else |
rg[(int)REG_nS].v.u = 0; |
tbl_end(r->tbl); |
|
|
ROFF_DEBUG("roff: register nS: %u\n", |
r->tbl = NULL; |
rg[(int)REG_nS].v.u); |
return(ROFF_IGN); |
} else |
} |
ROFF_DEBUG("roff: ignoring register: %s\n", key); |
|
|
|
|
/* ARGSUSED */ |
|
static enum rofferr |
|
roff_T_(ROFF_ARGS) |
|
{ |
|
|
|
if (NULL == r->tbl) |
|
(*r->msg)(MANDOCERR_NOSCOPE, r->data, ln, ppos, NULL); |
|
else |
|
tbl_restart(ppos, ln, r->tbl); |
|
|
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
|
|
/* ARGSUSED */ |
/* ARGSUSED */ |
static enum rofferr |
static enum rofferr |
|
roff_TS(ROFF_ARGS) |
|
{ |
|
struct tbl_node *t; |
|
|
|
if (r->tbl) { |
|
(*r->msg)(MANDOCERR_SCOPEBROKEN, r->data, ln, ppos, NULL); |
|
tbl_end(r->tbl); |
|
} |
|
|
|
t = tbl_alloc(ppos, ln, r->data, r->msg); |
|
|
|
if (r->last_tbl) |
|
r->last_tbl->next = t; |
|
else |
|
r->first_tbl = r->last_tbl = t; |
|
|
|
r->tbl = r->last_tbl = t; |
|
return(ROFF_IGN); |
|
} |
|
|
|
/* ARGSUSED */ |
|
static enum rofferr |
roff_so(ROFF_ARGS) |
roff_so(ROFF_ARGS) |
{ |
{ |
char *name; |
char *name; |
Line 1113 roff_userdef(ROFF_ARGS) |
|
Line 1180 roff_userdef(ROFF_ARGS) |
|
{ |
{ |
const char *arg[9]; |
const char *arg[9]; |
char *cp, *n1, *n2; |
char *cp, *n1, *n2; |
int i, quoted, pairs; |
int i; |
|
|
/* |
/* |
* Collect pointers to macro argument strings |
* Collect pointers to macro argument strings |
* and null-terminate them. |
* and null-terminate them. |
*/ |
*/ |
cp = *bufp + pos; |
cp = *bufp + pos; |
for (i = 0; i < 9; i++) { |
for (i = 0; i < 9; i++) |
/* Quoting can only start with a new word. */ |
arg[i] = '\0' == *cp ? "" : |
if ('"' == *cp) { |
mandoc_getarg(&cp, r->msg, r->data, ln, &pos); |
quoted = 1; |
|
cp++; |
|
} else |
|
quoted = 0; |
|
arg[i] = cp; |
|
for (pairs = 0; '\0' != *cp; cp++) { |
|
/* Unquoted arguments end at blanks. */ |
|
if (0 == quoted) { |
|
if (' ' == *cp) |
|
break; |
|
continue; |
|
} |
|
/* After pairs of quotes, move left. */ |
|
if (pairs) |
|
cp[-pairs] = cp[0]; |
|
/* Pairs of quotes do not end words, ... */ |
|
if ('"' == cp[0] && '"' == cp[1]) { |
|
pairs++; |
|
cp++; |
|
continue; |
|
} |
|
/* ... but solitary quotes do. */ |
|
if ('"' != *cp) |
|
continue; |
|
if (pairs) |
|
cp[-pairs] = '\0'; |
|
*cp = ' '; |
|
break; |
|
} |
|
/* Last argument; the remaining ones are empty strings. */ |
|
if ('\0' == *cp) |
|
continue; |
|
/* Null-terminate argument and move to the next one. */ |
|
*cp++ = '\0'; |
|
while (' ' == *cp) |
|
cp++; |
|
} |
|
|
|
/* |
/* |
* Expand macro arguments. |
* Expand macro arguments. |
Line 1199 roff_userdef(ROFF_ARGS) |
|
Line 1229 roff_userdef(ROFF_ARGS) |
|
ROFF_REPARSE : ROFF_APPEND); |
ROFF_REPARSE : ROFF_APPEND); |
} |
} |
|
|
|
|
|
static char * |
|
roff_getname(struct roff *r, char **cpp, int ln, int pos) |
|
{ |
|
char *name, *cp; |
|
|
|
name = *cpp; |
|
if ('\0' == *name) |
|
return(name); |
|
|
|
/* Read until end of name. */ |
|
for (cp = name; '\0' != *cp && ' ' != *cp; cp++) { |
|
if ('\\' != *cp) |
|
continue; |
|
cp++; |
|
if ('\\' == *cp) |
|
continue; |
|
(*r->msg)(MANDOCERR_NAMESC, r->data, ln, pos, NULL); |
|
*cp = '\0'; |
|
name = cp; |
|
} |
|
|
|
/* Nil-terminate name. */ |
|
if ('\0' != *cp) |
|
*(cp++) = '\0'; |
|
|
|
/* Read past spaces. */ |
|
while (' ' == *cp) |
|
cp++; |
|
|
|
*cpp = cp; |
|
return(name); |
|
} |
|
|
|
|
/* |
/* |
* Store *string into the user-defined string called *name. |
* Store *string into the user-defined string called *name. |
* In multiline mode, append to an existing entry and append '\n'; |
* In multiline mode, append to an existing entry and append '\n'; |
Line 1295 roff_freestr(struct roff *r) |
|
Line 1360 roff_freestr(struct roff *r) |
|
} |
} |
|
|
r->first_string = NULL; |
r->first_string = NULL; |
|
} |
|
|
|
const struct tbl_span * |
|
roff_span(const struct roff *r) |
|
{ |
|
|
|
return(r->tbl ? tbl_span(r->tbl) : NULL); |
} |
} |