version 1.95, 2010/07/21 09:15:48 |
version 1.117, 2011/01/01 16:18:39 |
|
|
* 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 |
|
|
|
|
#include "mandoc.h" |
#include "mandoc.h" |
#include "roff.h" |
#include "roff.h" |
|
#include "libroff.h" |
#include "libmandoc.h" |
#include "libmandoc.h" |
|
|
#define RSTACK_MAX 128 |
#define RSTACK_MAX 128 |
|
|
#define ROFF_CTL(c) \ |
#define ROFF_CTL(c) \ |
('.' == (c) || '\'' == (c)) |
('.' == (c) || '\'' == (c)) |
|
|
#if 1 |
|
#define ROFF_DEBUG(fmt, args...) \ |
|
do { /* Nothing. */ } while (/*CONSTCOND*/ 0) |
|
#else |
|
#define ROFF_DEBUG(fmt, args...) \ |
|
do { fprintf(stderr, fmt , ##args); } while (/*CONSTCOND*/ 0) |
|
#endif |
|
|
|
enum rofft { |
enum rofft { |
|
ROFF_ad, |
ROFF_am, |
ROFF_am, |
ROFF_ami, |
ROFF_ami, |
ROFF_am1, |
ROFF_am1, |
|
|
ROFF_de1, |
ROFF_de1, |
ROFF_ds, |
ROFF_ds, |
ROFF_el, |
ROFF_el, |
|
ROFF_hy, |
ROFF_ie, |
ROFF_ie, |
ROFF_if, |
ROFF_if, |
ROFF_ig, |
ROFF_ig, |
|
ROFF_ne, |
|
ROFF_nh, |
|
ROFF_nr, |
ROFF_rm, |
ROFF_rm, |
|
ROFF_so, |
ROFF_tr, |
ROFF_tr, |
|
ROFF_TS, |
|
ROFF_TE, |
|
ROFF_T_, |
ROFF_cblock, |
ROFF_cblock, |
ROFF_ccond, |
ROFF_ccond, /* FIXME: remove this. */ |
ROFF_nr, |
ROFF_USERDEF, |
ROFF_MAX |
ROFF_MAX |
}; |
}; |
|
|
|
|
ROFFRULE_DENY |
ROFFRULE_DENY |
}; |
}; |
|
|
|
|
struct roffstr { |
struct roffstr { |
char *name; /* key of symbol */ |
char *name; /* key of symbol */ |
char *string; /* current value */ |
char *string; /* current value */ |
|
|
enum roffrule rstack[RSTACK_MAX]; /* stack of !`ie' rules */ |
enum roffrule rstack[RSTACK_MAX]; /* stack of !`ie' rules */ |
int rstackpos; /* position in rstack */ |
int rstackpos; /* position in rstack */ |
struct regset *regs; /* read/writable registers */ |
struct regset *regs; /* read/writable registers */ |
struct roffstr *first_string; |
struct roffstr *first_string; /* user-defined strings & macros */ |
|
const char *current_string; /* value of last called user macro */ |
|
struct tbl *first_tbl; /* first table parsed */ |
|
struct tbl *last_tbl; /* last table parsed */ |
|
struct tbl *tbl; /* current table being parsed */ |
}; |
}; |
|
|
struct roffnode { |
struct roffnode { |
Line 91 struct roffnode { |
|
Line 96 struct roffnode { |
|
struct roffnode *parent; /* up one in stack */ |
struct roffnode *parent; /* up one in stack */ |
int line; /* parse line */ |
int line; /* parse line */ |
int col; /* parse col */ |
int col; /* parse col */ |
|
char *name; /* node name, e.g. macro name */ |
char *end; /* end-rules: custom token */ |
char *end; /* end-rules: custom token */ |
int endspan; /* end-rules: next-line or infty */ |
int endspan; /* end-rules: next-line or infty */ |
enum roffrule rule; /* current evaluation rule */ |
enum roffrule rule; /* current evaluation rule */ |
Line 130 static enum roffrule roff_evalcond(const char *, int |
|
Line 136 static enum roffrule roff_evalcond(const char *, int |
|
static void roff_freestr(struct roff *); |
static void roff_freestr(struct roff *); |
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(ROFF_ARGS); |
static enum rofferr roff_line_ignore(ROFF_ARGS); |
|
static enum rofferr roff_line_error(ROFF_ARGS); |
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); |
static void roff_setstr(struct roff *, |
static void roff_setstr(struct roff *, |
const char *, const char *); |
const char *, const char *, int); |
|
static enum rofferr roff_so(ROFF_ARGS); |
|
static enum rofferr roff_TE(ROFF_ARGS); |
|
static enum rofferr roff_TS(ROFF_ARGS); |
|
static enum rofferr roff_T_(ROFF_ARGS); |
|
static enum rofferr roff_userdef(ROFF_ARGS); |
|
|
/* See roff_hash_find() */ |
/* See roff_hash_find() */ |
|
|
Line 146 static void roff_setstr(struct roff *, |
|
Line 158 static void roff_setstr(struct roff *, |
|
static struct roffmac *hash[HASHWIDTH]; |
static struct roffmac *hash[HASHWIDTH]; |
|
|
static struct roffmac roffs[ROFF_MAX] = { |
static struct roffmac roffs[ROFF_MAX] = { |
|
{ "ad", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "am", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
{ "am", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
{ "ami", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
{ "ami", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
{ "am1", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
{ "am1", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
Line 154 static struct roffmac roffs[ROFF_MAX] = { |
|
Line 167 static struct roffmac roffs[ROFF_MAX] = { |
|
{ "de1", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
{ "de1", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
{ "ds", roff_ds, NULL, NULL, 0, NULL }, |
{ "ds", roff_ds, NULL, NULL, 0, NULL }, |
{ "el", roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT, NULL }, |
{ "el", roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT, NULL }, |
|
{ "hy", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "ie", roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT, NULL }, |
{ "ie", roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT, NULL }, |
{ "if", roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT, NULL }, |
{ "if", roff_cond, roff_cond_text, roff_cond_sub, ROFFMAC_STRUCT, NULL }, |
{ "ig", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
{ "ig", roff_block, roff_block_text, roff_block_sub, 0, NULL }, |
{ "rm", roff_line, NULL, NULL, 0, NULL }, |
{ "ne", roff_line_ignore, NULL, NULL, 0, NULL }, |
{ "tr", roff_line, NULL, NULL, 0, NULL }, |
{ "nh", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "nr", roff_nr, NULL, NULL, 0, NULL }, |
|
{ "rm", roff_line_error, NULL, NULL, 0, NULL }, |
|
{ "so", roff_so, NULL, NULL, 0, NULL }, |
|
{ "tr", roff_line_ignore, NULL, NULL, 0, NULL }, |
|
{ "TS", roff_TS, NULL, NULL, 0, NULL }, |
|
{ "TE", roff_TE, NULL, NULL, 0, NULL }, |
|
{ "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 }, |
{ "nr", roff_nr, NULL, NULL, 0, NULL }, |
{ NULL, roff_userdef, NULL, NULL, 0, NULL }, |
}; |
}; |
|
|
static void roff_free1(struct roff *); |
static void roff_free1(struct roff *); |
static enum rofft roff_hash_find(const char *); |
static enum rofft roff_hash_find(const char *, size_t); |
static void roff_hash_init(void); |
static void roff_hash_init(void); |
static void roffnode_cleanscope(struct roff *); |
static void roffnode_cleanscope(struct roff *); |
static int roffnode_push(struct roff *, |
static void roffnode_push(struct roff *, enum rofft, |
enum rofft, int, int); |
const char *, int, int); |
static void roffnode_pop(struct roff *); |
static void roffnode_pop(struct roff *); |
static enum rofft roff_parse(const char *, int *); |
static enum rofft roff_parse(struct roff *, const char *, int *); |
static int roff_parse_nat(const char *, unsigned int *); |
static int roff_parse_nat(const char *, unsigned int *); |
|
|
/* See roff_hash_find() */ |
/* See roff_hash_find() */ |
Line 183 roff_hash_init(void) |
|
Line 204 roff_hash_init(void) |
|
struct roffmac *n; |
struct roffmac *n; |
int buc, i; |
int buc, i; |
|
|
for (i = 0; i < (int)ROFF_MAX; i++) { |
for (i = 0; i < (int)ROFF_USERDEF; i++) { |
assert(roffs[i].name[0] >= ASCII_LO); |
assert(roffs[i].name[0] >= ASCII_LO); |
assert(roffs[i].name[0] <= ASCII_HI); |
assert(roffs[i].name[0] <= ASCII_HI); |
|
|
Line 204 roff_hash_init(void) |
|
Line 225 roff_hash_init(void) |
|
* the nil-terminated string name could be found. |
* the nil-terminated string name could be found. |
*/ |
*/ |
static enum rofft |
static enum rofft |
roff_hash_find(const char *p) |
roff_hash_find(const char *p, size_t s) |
{ |
{ |
int buc; |
int buc; |
struct roffmac *n; |
struct roffmac *n; |
Line 224 roff_hash_find(const char *p) |
|
Line 245 roff_hash_find(const char *p) |
|
if (NULL == (n = hash[buc])) |
if (NULL == (n = hash[buc])) |
return(ROFF_MAX); |
return(ROFF_MAX); |
for ( ; n; n = n->next) |
for ( ; n; n = n->next) |
if (0 == strcmp(n->name, p)) |
if (0 == strncmp(n->name, p, s) && '\0' == n->name[(int)s]) |
return((enum rofft)(n - roffs)); |
return((enum rofft)(n - roffs)); |
|
|
return(ROFF_MAX); |
return(ROFF_MAX); |
Line 248 roffnode_pop(struct roff *r) |
|
Line 269 roffnode_pop(struct roff *r) |
|
r->rstackpos--; |
r->rstackpos--; |
|
|
r->last = r->last->parent; |
r->last = r->last->parent; |
if (p->end) |
free(p->name); |
free(p->end); |
free(p->end); |
free(p); |
free(p); |
} |
} |
|
|
Line 258 roffnode_pop(struct roff *r) |
|
Line 279 roffnode_pop(struct roff *r) |
|
* Push a roff node onto the instruction stack. This must later be |
* Push a roff node onto the instruction stack. This must later be |
* removed with roffnode_pop(). |
* removed with roffnode_pop(). |
*/ |
*/ |
static int |
static void |
roffnode_push(struct roff *r, enum rofft tok, int line, int col) |
roffnode_push(struct roff *r, enum rofft tok, const char *name, |
|
int line, int col) |
{ |
{ |
struct roffnode *p; |
struct roffnode *p; |
|
|
if (NULL == (p = calloc(1, sizeof(struct roffnode)))) { |
p = mandoc_calloc(1, sizeof(struct roffnode)); |
(*r->msg)(MANDOCERR_MEM, r->data, line, col, NULL); |
|
return(0); |
|
} |
|
|
|
p->tok = tok; |
p->tok = tok; |
|
if (name) |
|
p->name = mandoc_strdup(name); |
p->parent = r->last; |
p->parent = r->last; |
p->line = line; |
p->line = line; |
p->col = col; |
p->col = col; |
p->rule = p->parent ? p->parent->rule : ROFFRULE_DENY; |
p->rule = p->parent ? p->parent->rule : ROFFRULE_DENY; |
|
|
r->last = p; |
r->last = p; |
return(1); |
|
} |
} |
|
|
|
|
static void |
static void |
roff_free1(struct roff *r) |
roff_free1(struct roff *r) |
{ |
{ |
|
struct tbl *t; |
|
|
|
while (r->first_tbl) { |
|
t = r->first_tbl; |
|
r->first_tbl = t->next; |
|
tbl_free(t); |
|
} |
|
|
|
r->first_tbl = r->last_tbl = r->tbl = NULL; |
|
|
while (r->last) |
while (r->last) |
roffnode_pop(r); |
roffnode_pop(r); |
|
|
roff_freestr(r); |
roff_freestr(r); |
} |
} |
|
|
Line 307 roff_free(struct roff *r) |
|
Line 336 roff_free(struct roff *r) |
|
|
|
|
|
struct roff * |
struct roff * |
roff_alloc(struct regset *regs, const mandocmsg msg, void *data) |
roff_alloc(struct regset *regs, void *data, const mandocmsg msg) |
{ |
{ |
struct roff *r; |
struct roff *r; |
|
|
if (NULL == (r = calloc(1, sizeof(struct roff)))) { |
r = mandoc_calloc(1, sizeof(struct roff)); |
(*msg)(MANDOCERR_MEM, data, 0, 0, NULL); |
|
return(0); |
|
} |
|
|
|
r->regs = regs; |
r->regs = regs; |
r->msg = msg; |
r->msg = msg; |
r->data = data; |
r->data = data; |
Line 334 roff_alloc(struct regset *regs, const mandocmsg msg, v |
|
Line 359 roff_alloc(struct regset *regs, const mandocmsg msg, v |
|
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 ('\\') */ |
|
const char *stnam; /* start of the name, after "[(*" */ |
|
const char *cp; /* end of the name, e.g. before ']' */ |
|
const char *res; /* the string to be substituted */ |
int i, maxl; |
int i, maxl; |
size_t nsz; |
size_t nsz; |
char *n; |
char *n; |
|
|
/* LINTED */ |
/* Search for a leading backslash and save a pointer to it. */ |
for (cp = &(*bufp)[pos]; (cpp = strstr(cp, "\\*")); cp++) { |
|
cp = cpp + 2; |
cp = *bufp + pos; |
|
while (NULL != (cp = strchr(cp, '\\'))) { |
|
stesc = cp++; |
|
|
|
/* |
|
* The second character must be an asterisk. |
|
* If it isn't, skip it anyway: It is escaped, |
|
* so it can't start another escape sequence. |
|
*/ |
|
|
|
if ('\0' == *cp) |
|
return(1); |
|
if ('*' != *cp++) |
|
continue; |
|
|
|
/* |
|
* The third character decides the length |
|
* of the name of the string. |
|
* Save a pointer to the name. |
|
*/ |
|
|
switch (*cp) { |
switch (*cp) { |
|
case ('\0'): |
|
return(1); |
case ('('): |
case ('('): |
cp++; |
cp++; |
maxl = 2; |
maxl = 2; |
Line 355 roff_res(struct roff *r, char **bufp, size_t *szp, int |
|
Line 405 roff_res(struct roff *r, char **bufp, size_t *szp, int |
|
maxl = 1; |
maxl = 1; |
break; |
break; |
} |
} |
|
stnam = cp; |
|
|
st = cp; |
/* Advance to the end of the name. */ |
|
|
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 365 roff_res(struct roff *r, char **bufp, size_t *szp, int |
|
Line 416 roff_res(struct roff *r, char **bufp, size_t *szp, int |
|
break; |
break; |
} |
} |
|
|
res = roff_getstrn(r, st, (size_t)i); |
/* |
|
* Retrieve the replacement string; if it is |
|
* undefined, resume searching for escapes. |
|
*/ |
|
|
|
res = roff_getstrn(r, stnam, (size_t)i); |
|
|
if (NULL == res) { |
if (NULL == res) { |
cp -= maxl ? 1 : 0; |
cp -= maxl ? 1 : 0; |
continue; |
continue; |
} |
} |
|
|
ROFF_DEBUG("roff: splicing reserved: [%.*s]\n", i, st); |
/* Replace the escape sequence by the string. */ |
|
|
nsz = *szp + strlen(res) + 1; |
nsz = *szp + strlen(res) + 1; |
n = mandoc_malloc(nsz); |
n = mandoc_malloc(nsz); |
|
|
*n = '\0'; |
strlcpy(n, *bufp, (size_t)(stesc - *bufp + 1)); |
|
|
strlcat(n, *bufp, (size_t)(cpp - *bufp + 1)); |
|
strlcat(n, res, nsz); |
strlcat(n, res, nsz); |
strlcat(n, cp + (maxl ? 0 : 1), nsz); |
strlcat(n, cp + (maxl ? 0 : 1), nsz); |
|
|
Line 399 roff_parseln(struct roff *r, int ln, char **bufp, |
|
Line 453 roff_parseln(struct roff *r, int ln, char **bufp, |
|
size_t *szp, int pos, int *offs) |
size_t *szp, int pos, int *offs) |
{ |
{ |
enum rofft t; |
enum rofft t; |
|
enum rofferr e; |
int ppos; |
int ppos; |
|
|
/* |
/* |
Line 407 roff_parseln(struct roff *r, int ln, char **bufp, |
|
Line 462 roff_parseln(struct roff *r, int ln, char **bufp, |
|
*/ |
*/ |
|
|
if (r->first_string && ! roff_res(r, bufp, szp, pos)) |
if (r->first_string && ! roff_res(r, bufp, szp, pos)) |
return(ROFF_RERUN); |
return(ROFF_REPARSE); |
|
|
/* |
/* |
* First, if a scope is open and we're not a macro, pass the |
* First, if a scope is open and we're not a macro, pass the |
Line 418 roff_parseln(struct roff *r, int ln, char **bufp, |
|
Line 473 roff_parseln(struct roff *r, int ln, char **bufp, |
|
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); |
|
} else if ( ! ROFF_CTL((*bufp)[pos])) { |
|
if (r->tbl) |
|
return(tbl_read(r->tbl, ln, *bufp, *offs)); |
return(ROFF_CONT); |
return(ROFF_CONT); |
|
} |
|
|
/* |
/* |
* 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 434 roff_parseln(struct roff *r, int ln, char **bufp, |
|
Line 493 roff_parseln(struct roff *r, int ln, char **bufp, |
|
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\n", |
|
roffs[t].name); |
|
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 448 roff_parseln(struct roff *r, int ln, char **bufp, |
|
Line 505 roff_parseln(struct roff *r, int ln, char **bufp, |
|
*/ |
*/ |
|
|
ppos = pos; |
ppos = pos; |
if (ROFF_MAX == (t = roff_parse(*bufp, &pos))) |
if (ROFF_MAX == (t = roff_parse(r, *bufp, &pos))) |
return(ROFF_CONT); |
return(ROFF_CONT); |
|
|
ROFF_DEBUG("roff: intercept new-scope: %s, [%s]\n", |
|
roffs[t].name, &(*bufp)[pos]); |
|
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 460 roff_parseln(struct roff *r, int ln, char **bufp, |
|
Line 515 roff_parseln(struct roff *r, int ln, char **bufp, |
|
} |
} |
|
|
|
|
int |
void |
roff_endparse(struct roff *r) |
roff_endparse(struct roff *r) |
{ |
{ |
|
|
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)); |
|
|
if (r->tbl) { |
|
(*r->msg)(MANDOCERR_SCOPEEXIT, r->data, |
|
r->tbl->line, r->tbl->pos, NULL); |
|
tbl_end(r->tbl); |
|
r->tbl = NULL; |
|
} |
} |
} |
|
|
|
|
Line 476 roff_endparse(struct roff *r) |
|
Line 537 roff_endparse(struct roff *r) |
|
* form of ".foo xxx" in the usual way. |
* form of ".foo xxx" in the usual way. |
*/ |
*/ |
static enum rofft |
static enum rofft |
roff_parse(const char *buf, int *pos) |
roff_parse(struct roff *r, const char *buf, int *pos) |
{ |
{ |
int j; |
const char *mac; |
char mac[5]; |
size_t maclen; |
enum rofft t; |
enum rofft t; |
|
|
assert(ROFF_CTL(buf[*pos])); |
assert(ROFF_CTL(buf[*pos])); |
(*pos)++; |
(*pos)++; |
|
|
while (buf[*pos] && (' ' == buf[*pos] || '\t' == buf[*pos])) |
while (' ' == buf[*pos] || '\t' == buf[*pos]) |
(*pos)++; |
(*pos)++; |
|
|
if ('\0' == buf[*pos]) |
if ('\0' == buf[*pos]) |
return(ROFF_MAX); |
return(ROFF_MAX); |
|
|
for (j = 0; j < 4; j++, (*pos)++) |
mac = buf + *pos; |
if ('\0' == (mac[j] = buf[*pos])) |
maclen = strcspn(mac, " \\\t\0"); |
break; |
|
else if (' ' == buf[*pos] || (j && '\\' == buf[*pos])) |
|
break; |
|
|
|
if (j == 4 || j < 1) |
t = (r->current_string = roff_getstrn(r, mac, maclen)) |
return(ROFF_MAX); |
? ROFF_USERDEF : roff_hash_find(mac, maclen); |
|
|
mac[j] = '\0'; |
*pos += maclen; |
|
|
if (ROFF_MAX == (t = roff_hash_find(mac))) |
|
return(t); |
|
|
|
while (buf[*pos] && ' ' == buf[*pos]) |
while (buf[*pos] && ' ' == buf[*pos]) |
(*pos)++; |
(*pos)++; |
|
|
Line 543 roff_cblock(ROFF_ARGS) |
|
Line 597 roff_cblock(ROFF_ARGS) |
|
*/ |
*/ |
|
|
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); |
|
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
|
|
Line 556 roff_cblock(ROFF_ARGS) |
|
Line 609 roff_cblock(ROFF_ARGS) |
|
case (ROFF_am1): |
case (ROFF_am1): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (ROFF_de): |
case (ROFF_de): |
|
/* ROFF_de1 is remapped to ROFF_de in roff_block(). */ |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (ROFF_dei): |
case (ROFF_dei): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (ROFF_de1): |
|
/* 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); |
|
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
|
|
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); |
|
|
|
roffnode_pop(r); |
roffnode_pop(r); |
roffnode_cleanscope(r); |
roffnode_cleanscope(r); |
Line 598 roff_ccond(ROFF_ARGS) |
|
Line 648 roff_ccond(ROFF_ARGS) |
|
{ |
{ |
|
|
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); |
|
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
|
|
Line 611 roff_ccond(ROFF_ARGS) |
|
Line 660 roff_ccond(ROFF_ARGS) |
|
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); |
|
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
|
|
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); |
|
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
|
|
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); |
|
|
|
roffnode_pop(r); |
roffnode_pop(r); |
roffnode_cleanscope(r); |
roffnode_cleanscope(r); |
Line 638 roff_block(ROFF_ARGS) |
|
Line 684 roff_block(ROFF_ARGS) |
|
{ |
{ |
int sv; |
int sv; |
size_t sz; |
size_t sz; |
|
char *name; |
|
|
if (ROFF_ig != tok && '\0' == (*bufp)[pos]) { |
name = NULL; |
if ( ! (*r->msg)(MANDOCERR_NOARGS, r->data, ln, ppos, NULL)) |
|
return(ROFF_ERR); |
if (ROFF_ig != tok) { |
return(ROFF_IGN); |
if ('\0' == (*bufp)[pos]) { |
} else if (ROFF_ig != tok) { |
(*r->msg)(MANDOCERR_NOARGS, r->data, ln, ppos, NULL); |
|
return(ROFF_IGN); |
|
} |
|
|
|
/* |
|
* Re-write `de1', since we don't really care about |
|
* groff's strange compatibility mode, into `de'. |
|
*/ |
|
|
|
if (ROFF_de1 == tok) |
|
tok = ROFF_de; |
|
if (ROFF_de == tok) |
|
name = *bufp + pos; |
|
else |
|
(*r->msg)(MANDOCERR_REQUEST, r->data, ln, ppos, |
|
roffs[tok].name); |
|
|
while ((*bufp)[pos] && ' ' != (*bufp)[pos]) |
while ((*bufp)[pos] && ' ' != (*bufp)[pos]) |
pos++; |
pos++; |
|
|
while (' ' == (*bufp)[pos]) |
while (' ' == (*bufp)[pos]) |
pos++; |
(*bufp)[pos++] = '\0'; |
} |
} |
|
|
if ( ! roffnode_push(r, tok, ln, ppos)) |
roffnode_push(r, tok, name, ln, ppos); |
return(ROFF_ERR); |
|
|
|
|
/* |
|
* At the beginning of a `de' macro, clear the existing string |
|
* with the same name, if there is one. New content will be |
|
* added from roff_block_text() in multiline mode. |
|
*/ |
|
|
|
if (ROFF_de == tok) |
|
roff_setstr(r, name, "", 0); |
|
|
if ('\0' == (*bufp)[pos]) |
if ('\0' == (*bufp)[pos]) |
return(ROFF_IGN); |
return(ROFF_IGN); |
|
|
|
/* If present, process the custom end-of-line marker. */ |
|
|
sv = pos; |
sv = pos; |
while ((*bufp)[pos] && ' ' != (*bufp)[pos] && |
while ((*bufp)[pos] && |
|
' ' != (*bufp)[pos] && |
'\t' != (*bufp)[pos]) |
'\t' != (*bufp)[pos]) |
pos++; |
pos++; |
|
|
Line 673 roff_block(ROFF_ARGS) |
|
Line 748 roff_block(ROFF_ARGS) |
|
if (1 == sz && '.' == (*bufp)[sv]) |
if (1 == sz && '.' == (*bufp)[sv]) |
return(ROFF_IGN); |
return(ROFF_IGN); |
|
|
r->last->end = malloc(sz + 1); |
r->last->end = mandoc_malloc(sz + 1); |
|
|
if (NULL == r->last->end) { |
|
(*r->msg)(MANDOCERR_MEM, r->data, ln, pos, NULL); |
|
return(ROFF_ERR); |
|
} |
|
|
|
memcpy(r->last->end, *bufp + sv, sz); |
memcpy(r->last->end, *bufp + sv, sz); |
r->last->end[(int)sz] = '\0'; |
r->last->end[(int)sz] = '\0'; |
|
|
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); |
|
|
|
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
Line 723 roff_block_sub(ROFF_ARGS) |
|
Line 792 roff_block_sub(ROFF_ARGS) |
|
roffnode_pop(r); |
roffnode_pop(r); |
roffnode_cleanscope(r); |
roffnode_cleanscope(r); |
|
|
if (ROFF_MAX != roff_parse(*bufp, &pos)) |
if (ROFF_MAX != roff_parse(r, *bufp, &pos)) |
return(ROFF_RERUN); |
return(ROFF_RERUN); |
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
Line 735 roff_block_sub(ROFF_ARGS) |
|
Line 804 roff_block_sub(ROFF_ARGS) |
|
*/ |
*/ |
|
|
ppos = pos; |
ppos = pos; |
t = roff_parse(*bufp, &pos); |
t = roff_parse(r, *bufp, &pos); |
|
|
/* If we're not a comment-end, then throw it away. */ |
/* |
if (ROFF_cblock != t) |
* Macros other than block-end are only significant |
|
* in `de' blocks; elsewhere, simply throw them away. |
|
*/ |
|
if (ROFF_cblock != t) { |
|
if (ROFF_de == tok) |
|
roff_setstr(r, r->last->name, *bufp + ppos, 1); |
return(ROFF_IGN); |
return(ROFF_IGN); |
|
} |
|
|
assert(roffs[t].proc); |
assert(roffs[t].proc); |
return((*roffs[t].proc)(r, t, bufp, szp, |
return((*roffs[t].proc)(r, t, bufp, szp, |
Line 752 static enum rofferr |
|
Line 827 static enum rofferr |
|
roff_block_text(ROFF_ARGS) |
roff_block_text(ROFF_ARGS) |
{ |
{ |
|
|
|
if (ROFF_de == tok) |
|
roff_setstr(r, r->last->name, *bufp + pos, 1); |
|
|
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
|
|
Line 762 roff_cond_sub(ROFF_ARGS) |
|
Line 840 roff_cond_sub(ROFF_ARGS) |
|
{ |
{ |
enum rofft t; |
enum rofft t; |
enum roffrule rr; |
enum roffrule rr; |
struct roffnode *l; |
|
|
|
ppos = pos; |
ppos = pos; |
rr = r->last->rule; |
rr = r->last->rule; |
Line 772 roff_cond_sub(ROFF_ARGS) |
|
Line 849 roff_cond_sub(ROFF_ARGS) |
|
* continue. |
* continue. |
*/ |
*/ |
|
|
l = r->last; |
|
roffnode_cleanscope(r); |
roffnode_cleanscope(r); |
|
|
if (l != r->last) |
if (ROFF_MAX == (t = roff_parse(r, *bufp, &pos))) { |
|
if ('\\' == (*bufp)[pos] && '}' == (*bufp)[pos + 1]) |
|
return(roff_ccond |
|
(r, ROFF_ccond, bufp, szp, |
|
ln, pos, pos + 2, offs)); |
return(ROFFRULE_DENY == rr ? ROFF_IGN : ROFF_CONT); |
return(ROFFRULE_DENY == rr ? ROFF_IGN : ROFF_CONT); |
|
} |
|
|
if (ROFF_MAX == (t = roff_parse(*bufp, &pos))) |
|
return(ROFFRULE_DENY == rr ? ROFF_IGN : ROFF_CONT); |
|
|
|
/* |
/* |
* A denied conditional must evaluate its children if and only |
* A denied conditional must evaluate its children if and only |
* if they're either structurally required (such as loops and |
* if they're either structurally required (such as loops and |
Line 811 roff_cond_text(ROFF_ARGS) |
|
Line 889 roff_cond_text(ROFF_ARGS) |
|
* scope permits us to do so. |
* scope permits us to do so. |
*/ |
*/ |
|
|
|
/* FIXME: use roff_ccond? */ |
|
|
st = &(*bufp)[pos]; |
st = &(*bufp)[pos]; |
if (NULL == (ep = strstr(st, "\\}"))) { |
if (NULL == (ep = strstr(st, "\\}"))) { |
roffnode_cleanscope(r); |
roffnode_cleanscope(r); |
Line 849 roff_evalcond(const char *v, int *pos) |
|
Line 929 roff_evalcond(const char *v, int *pos) |
|
return(ROFFRULE_DENY); |
return(ROFFRULE_DENY); |
} |
} |
|
|
|
|
/* ARGSUSED */ |
/* ARGSUSED */ |
static enum rofferr |
static enum rofferr |
roff_line(ROFF_ARGS) |
roff_line_ignore(ROFF_ARGS) |
{ |
{ |
|
|
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
|
|
|
/* ARGSUSED */ |
|
static enum rofferr |
|
roff_line_error(ROFF_ARGS) |
|
{ |
|
|
|
(*r->msg)(MANDOCERR_REQUEST, r->data, ln, ppos, roffs[tok].name); |
|
return(ROFF_IGN); |
|
} |
|
|
/* ARGSUSED */ |
/* ARGSUSED */ |
static enum rofferr |
static enum rofferr |
roff_cond(ROFF_ARGS) |
roff_cond(ROFF_ARGS) |
Line 900 roff_cond(ROFF_ARGS) |
|
Line 987 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); |
|
} |
} |
|
|
if ( ! roffnode_push(r, tok, ln, ppos)) |
roffnode_push(r, tok, NULL, ln, ppos); |
return(ROFF_ERR); |
|
|
|
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 927 roff_cond(ROFF_ARGS) |
|
Line 1009 roff_cond(ROFF_ARGS) |
|
|
|
/* 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 944 roff_cond(ROFF_ARGS) |
|
Line 1023 roff_cond(ROFF_ARGS) |
|
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 969 roff_cond(ROFF_ARGS) |
|
Line 1044 roff_cond(ROFF_ARGS) |
|
static enum rofferr |
static enum rofferr |
roff_ds(ROFF_ARGS) |
roff_ds(ROFF_ARGS) |
{ |
{ |
char *name, *string, *end; |
char *name, *string; |
|
|
|
/* |
|
* A symbol is named by the first word following the macro |
|
* invocation up to a space. Its value is anything after the |
|
* name's trailing whitespace and optional double-quote. Thus, |
|
* |
|
* [.ds foo "bar " ] |
|
* |
|
* will have `bar " ' as its value. |
|
*/ |
|
|
name = *bufp + pos; |
name = *bufp + pos; |
if ('\0' == *name) |
if ('\0' == *name) |
return(ROFF_IGN); |
return(ROFF_IGN); |
|
|
string = name; |
string = name; |
|
/* Read until end of name. */ |
while (*string && ' ' != *string) |
while (*string && ' ' != *string) |
string++; |
string++; |
|
|
|
/* Nil-terminate name. */ |
if (*string) |
if (*string) |
*(string++) = NULL; |
*(string++) = '\0'; |
if (*string && '"' == *string) |
|
string++; |
/* Read past spaces. */ |
while (*string && ' ' == *string) |
while (*string && ' ' == *string) |
string++; |
string++; |
end = string; |
|
while (*end) |
|
end++; |
|
if (string < end) { |
|
end--; |
|
if (*end == '"') |
|
*end = '\0'; |
|
} |
|
|
|
roff_setstr(r, name, string); |
/* Read passed initial double-quote. */ |
|
if (*string && '"' == *string) |
|
string++; |
|
|
|
/* The rest is the value. */ |
|
roff_setstr(r, name, string, 0); |
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
|
|
Line 1031 roff_nr(ROFF_ARGS) |
|
Line 1116 roff_nr(ROFF_ARGS) |
|
rg[(int)REG_nS].set = 1; |
rg[(int)REG_nS].set = 1; |
if ( ! roff_parse_nat(val, &rg[(int)REG_nS].v.u)) |
if ( ! roff_parse_nat(val, &rg[(int)REG_nS].v.u)) |
rg[(int)REG_nS].v.u = 0; |
rg[(int)REG_nS].v.u = 0; |
|
} |
|
|
ROFF_DEBUG("roff: register nS: %u\n", |
return(ROFF_IGN); |
rg[(int)REG_nS].v.u); |
} |
} else |
|
ROFF_DEBUG("roff: ignoring register: %s\n", key); |
|
|
|
|
/* ARGSUSED */ |
|
static enum rofferr |
|
roff_TE(ROFF_ARGS) |
|
{ |
|
|
|
if (NULL == r->tbl) |
|
(*r->msg)(MANDOCERR_NOSCOPE, r->data, ln, ppos, NULL); |
|
else |
|
tbl_end(r->tbl); |
|
|
|
r->tbl = NULL; |
return(ROFF_IGN); |
return(ROFF_IGN); |
} |
} |
|
|
|
/* 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); |
|
} |
|
|
|
/* ARGSUSED */ |
|
static enum rofferr |
|
roff_TS(ROFF_ARGS) |
|
{ |
|
struct tbl *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) |
|
{ |
|
char *name; |
|
|
|
(*r->msg)(MANDOCERR_SO, r->data, ln, ppos, NULL); |
|
|
|
/* |
|
* Handle `so'. Be EXTREMELY careful, as we shouldn't be |
|
* opening anything that's not in our cwd or anything beneath |
|
* it. Thus, explicitly disallow traversing up the file-system |
|
* or using absolute paths. |
|
*/ |
|
|
|
name = *bufp + pos; |
|
if ('/' == *name || strstr(name, "../") || strstr(name, "/..")) { |
|
(*r->msg)(MANDOCERR_SOPATH, r->data, ln, pos, NULL); |
|
return(ROFF_ERR); |
|
} |
|
|
|
*offs = pos; |
|
return(ROFF_SO); |
|
} |
|
|
|
/* ARGSUSED */ |
|
static enum rofferr |
|
roff_userdef(ROFF_ARGS) |
|
{ |
|
const char *arg[9]; |
|
char *cp, *n1, *n2; |
|
int i, quoted, pairs; |
|
|
|
/* |
|
* Collect pointers to macro argument strings |
|
* and null-terminate them. |
|
*/ |
|
cp = *bufp + pos; |
|
for (i = 0; i < 9; i++) { |
|
/* Quoting can only start with a new word. */ |
|
if ('"' == *cp) { |
|
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. |
|
*/ |
|
*szp = 0; |
|
n1 = cp = mandoc_strdup(r->current_string); |
|
while (NULL != (cp = strstr(cp, "\\$"))) { |
|
i = cp[2] - '1'; |
|
if (0 > i || 8 < i) { |
|
/* Not an argument invocation. */ |
|
cp += 2; |
|
continue; |
|
} |
|
|
|
*szp = strlen(n1) - 3 + strlen(arg[i]) + 1; |
|
n2 = mandoc_malloc(*szp); |
|
|
|
strlcpy(n2, n1, (size_t)(cp - n1 + 1)); |
|
strlcat(n2, arg[i], *szp); |
|
strlcat(n2, cp + 3, *szp); |
|
|
|
cp = n2 + (cp - n1); |
|
free(n1); |
|
n1 = n2; |
|
} |
|
|
|
/* |
|
* Replace the macro invocation |
|
* by the expanded macro. |
|
*/ |
|
free(*bufp); |
|
*bufp = n1; |
|
if (0 == *szp) |
|
*szp = strlen(*bufp) + 1; |
|
|
|
return(*szp > 1 && '\n' == (*bufp)[(int)*szp - 2] ? |
|
ROFF_REPARSE : ROFF_APPEND); |
|
} |
|
|
|
/* |
|
* Store *string into the user-defined string called *name. |
|
* In multiline mode, append to an existing entry and append '\n'; |
|
* else replace the existing entry, if there is one. |
|
* To clear an existing entry, call with (*r, *name, NULL, 0). |
|
*/ |
static void |
static void |
roff_setstr(struct roff *r, const char *name, const char *string) |
roff_setstr(struct roff *r, const char *name, const char *string, |
|
int multiline) |
{ |
{ |
struct roffstr *n; |
struct roffstr *n; |
char *namecopy; |
char *c; |
|
size_t oldch, newch; |
|
|
|
/* Search for an existing string with the same name. */ |
n = r->first_string; |
n = r->first_string; |
while (n && strcmp(name, n->name)) |
while (n && strcmp(name, n->name)) |
n = n->next; |
n = n->next; |
|
|
if (NULL == n) { |
if (NULL == n) { |
namecopy = mandoc_strdup(name); |
/* Create a new string table entry. */ |
n = mandoc_malloc(sizeof(struct roffstr)); |
n = mandoc_malloc(sizeof(struct roffstr)); |
n->name = namecopy; |
n->name = mandoc_strdup(name); |
|
n->string = NULL; |
n->next = r->first_string; |
n->next = r->first_string; |
r->first_string = n; |
r->first_string = n; |
} else |
} else if (0 == multiline) { |
|
/* In multiline mode, append; else replace. */ |
free(n->string); |
free(n->string); |
|
n->string = NULL; |
|
} |
|
|
n->string = string ? strdup(string) : NULL; |
if (NULL == string) |
|
return; |
|
|
|
/* |
|
* One additional byte for the '\n' in multiline mode, |
|
* and one for the terminating '\0'. |
|
*/ |
|
newch = strlen(string) + (multiline ? 2 : 1); |
|
if (NULL == n->string) { |
|
n->string = mandoc_malloc(newch); |
|
*n->string = '\0'; |
|
oldch = 0; |
|
} else { |
|
oldch = strlen(n->string); |
|
n->string = mandoc_realloc(n->string, oldch + newch); |
|
} |
|
|
|
/* Skip existing content in the destination buffer. */ |
|
c = n->string + oldch; |
|
|
|
/* Append new content to the destination buffer. */ |
|
while (*string) { |
|
/* |
|
* Rudimentary roff copy mode: |
|
* Handle escaped backslashes. |
|
*/ |
|
if ('\\' == *string && '\\' == *(string + 1)) |
|
string++; |
|
*c++ = *string++; |
|
} |
|
|
|
/* Append terminating bytes. */ |
|
if (multiline) |
|
*c++ = '\n'; |
|
*c = '\0'; |
} |
} |
|
|
|
|
Line 1070 roff_getstrn(const struct roff *r, const char *name, s |
|
Line 1363 roff_getstrn(const struct roff *r, const char *name, s |
|
const struct roffstr *n; |
const struct roffstr *n; |
|
|
n = r->first_string; |
n = r->first_string; |
while (n && (strncmp(name, n->name, len) || '\0' != n->name[len])) |
while (n && (strncmp(name, n->name, len) || '\0' != n->name[(int)len])) |
n = n->next; |
n = n->next; |
|
|
return(n ? n->string : NULL); |
return(n ? n->string : NULL); |
Line 1090 roff_freestr(struct roff *r) |
|
Line 1383 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); |
} |
} |