![]() ![]() | ![]() |
version 1.20, 2009/06/25 08:42:06 | version 1.49, 2009/11/02 06:22:45 | ||
---|---|---|---|
|
|
||
* 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. | ||
*/ | */ | ||
#ifndef OSNAME | |||
#include <sys/utsname.h> | #include <sys/utsname.h> | ||
#endif | |||
#include <assert.h> | #include <assert.h> | ||
#include <errno.h> | |||
#include <stdio.h> | #include <stdio.h> | ||
#include <stdlib.h> | #include <stdlib.h> | ||
#include <string.h> | #include <string.h> | ||
#include <time.h> | |||
#include "libmdoc.h" | #include "libmdoc.h" | ||
#include "libmandoc.h" | |||
enum mwarn { | #define POST_ARGS struct mdoc *m, struct mdoc_node *n | ||
WBADSEC, | |||
WNOWIDTH, | |||
WBADDATE | |||
}; | |||
enum merr { | |||
ETOOLONG, | |||
EMALLOC, | |||
EUTSNAME, | |||
ENUMFMT | |||
}; | |||
#define PRE_ARGS struct mdoc *m, const struct mdoc_node *n | #define PRE_ARGS struct mdoc *m, const struct mdoc_node *n | ||
#define POST_ARGS struct mdoc *m | |||
#define NUMSIZ 32 | |||
#define DATESIZ 32 | |||
struct actions { | struct actions { | ||
int (*pre)(PRE_ARGS); | int (*pre)(PRE_ARGS); | ||
int (*post)(POST_ARGS); | int (*post)(POST_ARGS); | ||
}; | }; | ||
static int pwarn(struct mdoc *, int, int, enum mwarn); | static int concat(struct mdoc *, char *, | ||
static int perr(struct mdoc *, int, int, enum merr); | const struct mdoc_node *, size_t); | ||
static int concat(struct mdoc *, const struct mdoc_node *, | static inline int order_rs(int); | ||
char *, size_t); | |||
#ifdef __linux__ | |||
extern size_t strlcat(char *, const char *, size_t); | |||
#endif | |||
static int post_ar(POST_ARGS); | static int post_ar(POST_ARGS); | ||
static int post_at(POST_ARGS); | |||
static int post_bl(POST_ARGS); | static int post_bl(POST_ARGS); | ||
static int post_bl_head(POST_ARGS); | static int post_bl_head(POST_ARGS); | ||
static int post_bl_width(POST_ARGS); | |||
static int post_bl_tagwidth(POST_ARGS); | static int post_bl_tagwidth(POST_ARGS); | ||
static int post_bl_width(POST_ARGS); | |||
static int post_dd(POST_ARGS); | static int post_dd(POST_ARGS); | ||
static int post_display(POST_ARGS); | static int post_display(POST_ARGS); | ||
static int post_dt(POST_ARGS); | static int post_dt(POST_ARGS); | ||
static int post_lk(POST_ARGS); | static int post_lb(POST_ARGS); | ||
static int post_nm(POST_ARGS); | static int post_nm(POST_ARGS); | ||
static int post_os(POST_ARGS); | static int post_os(POST_ARGS); | ||
static int post_pa(POST_ARGS); | |||
static int post_prol(POST_ARGS); | static int post_prol(POST_ARGS); | ||
static int post_rs(POST_ARGS); | |||
static int post_sh(POST_ARGS); | static int post_sh(POST_ARGS); | ||
static int post_st(POST_ARGS); | |||
static int post_std(POST_ARGS); | static int post_std(POST_ARGS); | ||
static int pre_bd(PRE_ARGS); | static int pre_bd(PRE_ARGS); | ||
static int pre_bl(PRE_ARGS); | |||
static int pre_dl(PRE_ARGS); | static int pre_dl(PRE_ARGS); | ||
static int pre_offset(PRE_ARGS); | |||
#define vwarn(m, t) pwarn((m), (m)->last->line, (m)->last->pos, (t)) | static const struct actions mdoc_actions[MDOC_MAX] = { | ||
#define verr(m, t) perr((m), (m)->last->line, (m)->last->pos, (t)) | |||
#define nerr(m, n, t) perr((m), (n)->line, (n)->pos, (t)) | |||
const struct actions mdoc_actions[MDOC_MAX] = { | |||
{ NULL, NULL }, /* Ap */ | { NULL, NULL }, /* Ap */ | ||
{ NULL, post_dd }, /* Dd */ | { NULL, post_dd }, /* Dd */ | ||
{ NULL, post_dt }, /* Dt */ | { NULL, post_dt }, /* Dt */ | ||
|
|
||
{ pre_dl, post_display }, /* Dl */ | { pre_dl, post_display }, /* Dl */ | ||
{ pre_bd, post_display }, /* Bd */ | { pre_bd, post_display }, /* Bd */ | ||
{ NULL, NULL }, /* Ed */ | { NULL, NULL }, /* Ed */ | ||
{ NULL, post_bl }, /* Bl */ | { pre_bl, post_bl }, /* Bl */ | ||
{ NULL, NULL }, /* El */ | { NULL, NULL }, /* El */ | ||
{ NULL, NULL }, /* It */ | { NULL, NULL }, /* It */ | ||
{ NULL, NULL }, /* Ad */ | { NULL, NULL }, /* Ad */ | ||
{ NULL, NULL }, /* An */ | { NULL, NULL }, /* An */ | ||
{ NULL, post_ar }, /* Ar */ | { NULL, post_ar }, /* Ar */ | ||
{ NULL, NULL }, /* Cd */ /* FIXME: tabs are accepted! */ | { NULL, NULL }, /* Cd */ | ||
{ NULL, NULL }, /* Cm */ | { NULL, NULL }, /* Cm */ | ||
{ NULL, NULL }, /* Dv */ | { NULL, NULL }, /* Dv */ | ||
{ NULL, NULL }, /* Er */ | { NULL, NULL }, /* Er */ | ||
|
|
||
{ NULL, post_nm }, /* Nm */ | { NULL, post_nm }, /* Nm */ | ||
{ NULL, NULL }, /* Op */ | { NULL, NULL }, /* Op */ | ||
{ NULL, NULL }, /* Ot */ | { NULL, NULL }, /* Ot */ | ||
{ NULL, NULL }, /* Pa */ | { NULL, post_pa }, /* Pa */ | ||
{ NULL, post_std }, /* Rv */ | { NULL, post_std }, /* Rv */ | ||
{ NULL, NULL }, /* St */ | { NULL, post_st }, /* St */ | ||
{ NULL, NULL }, /* Va */ | { NULL, NULL }, /* Va */ | ||
{ NULL, NULL }, /* Vt */ | { NULL, NULL }, /* Vt */ | ||
{ NULL, NULL }, /* Xr */ | { NULL, NULL }, /* Xr */ | ||
|
|
||
{ NULL, NULL }, /* Ac */ | { NULL, NULL }, /* Ac */ | ||
{ NULL, NULL }, /* Ao */ | { NULL, NULL }, /* Ao */ | ||
{ NULL, NULL }, /* Aq */ | { NULL, NULL }, /* Aq */ | ||
{ NULL, NULL }, /* At */ | { NULL, post_at }, /* At */ | ||
{ NULL, NULL }, /* Bc */ | { NULL, NULL }, /* Bc */ | ||
{ NULL, NULL }, /* Bf */ | { NULL, NULL }, /* Bf */ | ||
{ NULL, NULL }, /* Bo */ | { NULL, NULL }, /* Bo */ | ||
|
|
||
{ NULL, NULL }, /* Qo */ | { NULL, NULL }, /* Qo */ | ||
{ NULL, NULL }, /* Qq */ | { NULL, NULL }, /* Qq */ | ||
{ NULL, NULL }, /* Re */ | { NULL, NULL }, /* Re */ | ||
{ NULL, NULL }, /* Rs */ | { NULL, post_rs }, /* Rs */ | ||
{ NULL, NULL }, /* Sc */ | { NULL, NULL }, /* Sc */ | ||
{ NULL, NULL }, /* So */ | { NULL, NULL }, /* So */ | ||
{ NULL, NULL }, /* Sq */ | { NULL, NULL }, /* Sq */ | ||
|
|
||
{ NULL, NULL }, /* Hf */ | { NULL, NULL }, /* Hf */ | ||
{ NULL, NULL }, /* Fr */ | { NULL, NULL }, /* Fr */ | ||
{ NULL, NULL }, /* Ud */ | { NULL, NULL }, /* Ud */ | ||
{ NULL, NULL }, /* Lb */ | { NULL, post_lb }, /* Lb */ | ||
{ NULL, NULL }, /* Lp */ | { NULL, NULL }, /* Lp */ | ||
{ NULL, post_lk }, /* Lk */ | { NULL, NULL }, /* Lk */ | ||
{ NULL, NULL }, /* Mt */ | { NULL, NULL }, /* Mt */ | ||
{ NULL, NULL }, /* Brq */ | { NULL, NULL }, /* Brq */ | ||
{ NULL, NULL }, /* Bro */ | { NULL, NULL }, /* Bro */ | ||
|
|
||
{ NULL, NULL }, /* En */ | { NULL, NULL }, /* En */ | ||
{ NULL, NULL }, /* Dx */ | { NULL, NULL }, /* Dx */ | ||
{ NULL, NULL }, /* %Q */ | { NULL, NULL }, /* %Q */ | ||
{ NULL, NULL }, /* br */ | |||
{ NULL, NULL }, /* sp */ | |||
{ NULL, NULL }, /* %U */ | |||
}; | }; | ||
#define RSORD_MAX 14 | |||
#ifdef __linux__ | static const int rsord[RSORD_MAX] = { | ||
extern size_t strlcat(char *, const char *, size_t); | MDOC__A, | ||
#endif | MDOC__T, | ||
MDOC__B, | |||
MDOC__I, | |||
MDOC__J, | |||
MDOC__R, | |||
MDOC__N, | |||
MDOC__V, | |||
MDOC__P, | |||
MDOC__Q, | |||
MDOC__D, | |||
MDOC__O, | |||
MDOC__C, | |||
MDOC__U | |||
}; | |||
int | int | ||
|
|
||
if (NULL == mdoc_actions[m->last->tok].post) | if (NULL == mdoc_actions[m->last->tok].post) | ||
return(1); | return(1); | ||
return((*mdoc_actions[m->last->tok].post)(m)); | return((*mdoc_actions[m->last->tok].post)(m, m->last)); | ||
} | } | ||
/* | |||
* Concatenate sibling nodes together. All siblings must be of type | |||
* MDOC_TEXT or an assertion is raised. Concatenation is separated by a | |||
* single whitespace. | |||
*/ | |||
static int | static int | ||
concat(struct mdoc *m, const struct mdoc_node *n, | concat(struct mdoc *m, char *p, const struct mdoc_node *n, size_t sz) | ||
char *buf, size_t sz) | |||
{ | { | ||
assert(sz); | |||
p[0] = '\0'; | |||
for ( ; n; n = n->next) { | for ( ; n; n = n->next) { | ||
assert(MDOC_TEXT == n->type); | assert(MDOC_TEXT == n->type); | ||
if (strlcat(buf, n->string, sz) >= sz) | if (strlcat(p, n->string, sz) >= sz) | ||
return(nerr(m, n, ETOOLONG)); | return(mdoc_nerr(m, n, ETOOLONG)); | ||
if (NULL == n->next) | if (NULL == n->next) | ||
continue; | continue; | ||
if (strlcat(buf, " ", sz) >= sz) | if (strlcat(p, " ", sz) >= sz) | ||
return(nerr(m, n, ETOOLONG)); | return(mdoc_nerr(m, n, ETOOLONG)); | ||
} | } | ||
return(1); | return(1); | ||
} | } | ||
/* | |||
* Macros accepting `-std' as an argument have the name of the current | |||
* document (`Nm') filled in as the argument if it's not provided. | |||
*/ | |||
static int | static int | ||
perr(struct mdoc *m, int line, int pos, enum merr type) | post_std(POST_ARGS) | ||
{ | { | ||
char *p; | struct mdoc_node *nn; | ||
p = NULL; | if (n->child) | ||
switch (type) { | return(1); | ||
case (ENUMFMT): | |||
p = "bad number format"; | nn = n; | ||
break; | m->next = MDOC_NEXT_CHILD; | ||
case (ETOOLONG): | assert(m->meta.name); | ||
p = "argument text too long"; | if ( ! mdoc_word_alloc(m, n->line, n->pos, m->meta.name)) | ||
break; | return(0); | ||
case (EUTSNAME): | m->last = nn; | ||
p = "utsname"; | return(1); | ||
break; | |||
case (EMALLOC): | |||
p = "memory exhausted"; | |||
break; | |||
} | |||
assert(p); | |||
return(mdoc_perr(m, line, pos, p)); | |||
} | } | ||
/* | |||
* The `Nm' macro's first use sets the name of the document. See also | |||
* post_std(), etc. | |||
*/ | |||
static int | static int | ||
pwarn(struct mdoc *m, int line, int pos, enum mwarn type) | post_nm(POST_ARGS) | ||
{ | { | ||
char *p; | char buf[BUFSIZ]; | ||
int c; | |||
p = NULL; | if (m->meta.name) | ||
c = WARN_SYNTAX; | return(1); | ||
switch (type) { | if ( ! concat(m, buf, n->child, BUFSIZ)) | ||
case (WBADSEC): | return(0); | ||
p = "inappropriate document section in manual section"; | m->meta.name = mandoc_strdup(buf); | ||
c = WARN_COMPAT; | return(1); | ||
break; | |||
case (WNOWIDTH): | |||
p = "cannot determine default width"; | |||
break; | |||
case (WBADDATE): | |||
p = "malformed date syntax"; | |||
break; | |||
} | |||
assert(p); | |||
return(mdoc_pwarn(m, line, pos, c, p)); | |||
} | } | ||
/* | |||
* Look up the value of `Lb' for matching predefined strings. If it has | |||
* one, then substitute the current value for the formatted value. Note | |||
* that the lookup may fail (we can provide arbitrary strings). | |||
*/ | |||
/* ARGSUSED */ | |||
static int | static int | ||
post_std(POST_ARGS) | post_lb(POST_ARGS) | ||
{ | { | ||
const char *p; | |||
char *buf; | |||
size_t sz; | |||
/* | assert(MDOC_TEXT == n->child->type); | ||
* If '-std' is invoked without an argument, fill it in with our | p = mdoc_a2lib(n->child->string); | ||
* name (if it's been set). | |||
*/ | |||
if (NULL == m->last->args) | if (p) { | ||
free(n->child->string); | |||
n->child->string = mandoc_strdup(p); | |||
return(1); | return(1); | ||
if (m->last->args->argv[0].sz) | } | ||
return(1); | |||
assert(m->meta.name); | sz = strlen(n->child->string) + | ||
2 + strlen("\\(lqlibrary\\(rq"); | |||
buf = mandoc_malloc(sz); | |||
snprintf(buf, sz, "library \\(lq%s\\(rq", n->child->string); | |||
free(n->child->string); | |||
n->child->string = buf; | |||
return(1); | |||
} | |||
m->last->args->argv[0].value = calloc(1, sizeof(char *)); | |||
if (NULL == m->last->args->argv[0].value) | |||
return(verr(m, EMALLOC)); | |||
m->last->args->argv[0].sz = 1; | /* | ||
m->last->args->argv[0].value[0] = strdup(m->meta.name); | * Substitute the value of `St' for the corresponding formatted string. | ||
if (NULL == m->last->args->argv[0].value[0]) | * We're guaranteed that this exists (it's been verified during the | ||
return(verr(m, EMALLOC)); | * validation phase). | ||
*/ | |||
/* ARGSUSED */ | |||
static int | |||
post_st(POST_ARGS) | |||
{ | |||
const char *p; | |||
assert(MDOC_TEXT == n->child->type); | |||
p = mdoc_a2st(n->child->string); | |||
assert(p); | |||
free(n->child->string); | |||
n->child->string = mandoc_strdup(p); | |||
return(1); | return(1); | ||
} | } | ||
/* | |||
* Look up the standard string in a table. We know that it exists from | |||
* the validation phase, so assert on failure. If a standard key wasn't | |||
* supplied, supply the default ``AT&T UNIX''. | |||
*/ | |||
static int | static int | ||
post_nm(POST_ARGS) | post_at(POST_ARGS) | ||
{ | { | ||
char buf[64]; | struct mdoc_node *nn; | ||
const char *p; | |||
if (m->meta.name) | if (n->child) { | ||
assert(MDOC_TEXT == n->child->type); | |||
p = mdoc_a2att(n->child->string); | |||
assert(p); | |||
free(n->child->string); | |||
n->child->string = mandoc_strdup(p); | |||
return(1); | return(1); | ||
} | |||
buf[0] = 0; | nn = n; | ||
if ( ! concat(m, m->last->child, buf, sizeof(buf))) | m->next = MDOC_NEXT_CHILD; | ||
if ( ! mdoc_word_alloc(m, nn->line, nn->pos, "AT&T UNIX")) | |||
return(0); | return(0); | ||
m->last = nn; | |||
if (NULL == (m->meta.name = strdup(buf))) | |||
return(verr(m, EMALLOC)); | |||
return(1); | return(1); | ||
} | } | ||
/* | |||
* Mark the current section. The ``named'' section (lastnamed) is set | |||
* whenever the current section isn't a custom section--we use this to | |||
* keep track of section ordering. Also check that the section is | |||
* allowed within the document's manual section. | |||
*/ | |||
static int | static int | ||
post_sh(POST_ARGS) | post_sh(POST_ARGS) | ||
{ | { | ||
enum mdoc_sec sec; | enum mdoc_sec sec; | ||
char buf[64]; | char buf[BUFSIZ]; | ||
/* | if (MDOC_HEAD != n->type) | ||
* We keep track of the current section /and/ the "named" | |||
* section, which is one of the conventional ones, in order to | |||
* check ordering. | |||
*/ | |||
if (MDOC_HEAD != m->last->type) | |||
return(1); | return(1); | ||
buf[0] = 0; | if ( ! concat(m, buf, n->child, BUFSIZ)) | ||
if ( ! concat(m, m->last->child, buf, sizeof(buf))) | |||
return(0); | return(0); | ||
if (SEC_CUSTOM != (sec = mdoc_atosec(buf))) | sec = mdoc_atosec(buf); | ||
if (SEC_CUSTOM != sec) | |||
m->lastnamed = sec; | m->lastnamed = sec; | ||
/* Some sections only live in certain manual sections. */ | |||
switch ((m->lastsec = sec)) { | switch ((m->lastsec = sec)) { | ||
case (SEC_RETURN_VALUES): | case (SEC_RETURN_VALUES): | ||
/* FALLTHROUGH */ | /* FALLTHROUGH */ | ||
|
|
||
case (9): | case (9): | ||
break; | break; | ||
default: | default: | ||
return(vwarn(m, WBADSEC)); | return(mdoc_nwarn(m, n, EBADSEC)); | ||
} | } | ||
break; | break; | ||
default: | default: | ||
|
|
||
} | } | ||
/* | |||
* Parse out the contents of `Dt'. See in-line documentation for how we | |||
* handle the various fields of this macro. | |||
*/ | |||
static int | static int | ||
post_dt(POST_ARGS) | post_dt(POST_ARGS) | ||
{ | { | ||
struct mdoc_node *n; | struct mdoc_node *nn; | ||
const char *cp; | const char *cp; | ||
char *ep; | char *ep; | ||
long lval; | long lval; | ||
|
|
||
* --> title = unknown, volume = local, msec = 0, arch = NULL | * --> title = unknown, volume = local, msec = 0, arch = NULL | ||
*/ | */ | ||
if (NULL == (n = m->last->child)) { | if (NULL == (nn = n->child)) { | ||
if (NULL == (m->meta.title = strdup("unknown"))) | /* XXX: make these macro values. */ | ||
return(verr(m, EMALLOC)); | m->meta.title = mandoc_strdup("unknown"); | ||
if (NULL == (m->meta.vol = strdup("local"))) | m->meta.vol = mandoc_strdup("local"); | ||
return(verr(m, EMALLOC)); | return(post_prol(m, n)); | ||
return(post_prol(m)); | |||
} | } | ||
/* Handles: `.Dt TITLE' | /* Handles: `.Dt TITLE' | ||
* --> title = TITLE, volume = local, msec = 0, arch = NULL | * --> title = TITLE, volume = local, msec = 0, arch = NULL | ||
*/ | */ | ||
if (NULL == (m->meta.title = strdup(n->string))) | m->meta.title = mandoc_strdup(nn->string); | ||
return(verr(m, EMALLOC)); | |||
if (NULL == (n = n->next)) { | if (NULL == (nn = nn->next)) { | ||
if (NULL == (m->meta.vol = strdup("local"))) | /* XXX: make this a macro value. */ | ||
return(verr(m, EMALLOC)); | m->meta.vol = mandoc_strdup("local"); | ||
return(post_prol(m)); | return(post_prol(m, n)); | ||
} | } | ||
/* Handles: `.Dt TITLE SEC' | /* Handles: `.Dt TITLE SEC' | ||
|
|
||
* arch = NULL | * arch = NULL | ||
*/ | */ | ||
cp = mdoc_a2msec(n->string); | cp = mdoc_a2msec(nn->string); | ||
if (cp) { | if (cp) { | ||
if (NULL == (m->meta.vol = strdup(cp))) | /* FIXME: where is strtonum!? */ | ||
return(verr(m, EMALLOC)); | m->meta.vol = mandoc_strdup(cp); | ||
errno = 0; | lval = strtol(nn->string, &ep, 10); | ||
lval = strtol(n->string, &ep, 10); | if (nn->string[0] != '\0' && *ep == '\0') | ||
if (n->string[0] != '\0' && *ep == '\0') | |||
m->meta.msec = (int)lval; | m->meta.msec = (int)lval; | ||
} else if (NULL == (m->meta.vol = strdup(n->string))) | } else | ||
return(verr(m, EMALLOC)); | m->meta.vol = mandoc_strdup(nn->string); | ||
if (NULL == (n = n->next)) | if (NULL == (nn = nn->next)) | ||
return(post_prol(m)); | return(post_prol(m, n)); | ||
/* Handles: `.Dt TITLE SEC VOL' | /* Handles: `.Dt TITLE SEC VOL' | ||
* --> title = TITLE, volume = VOL is vol ? | * --> title = TITLE, volume = VOL is vol ? | ||
|
|
||
* VOL | * VOL | ||
*/ | */ | ||
cp = mdoc_a2vol(n->string); | cp = mdoc_a2vol(nn->string); | ||
if (cp) { | if (cp) { | ||
free(m->meta.vol); | free(m->meta.vol); | ||
if (NULL == (m->meta.vol = strdup(cp))) | m->meta.vol = mandoc_strdup(cp); | ||
return(verr(m, EMALLOC)); | |||
n = n->next; | |||
} else { | } else { | ||
cp = mdoc_a2arch(n->string); | cp = mdoc_a2arch(nn->string); | ||
if (NULL == cp) { | if (NULL == cp) { | ||
free(m->meta.vol); | free(m->meta.vol); | ||
if (NULL == (m->meta.vol = strdup(n->string))) | m->meta.vol = mandoc_strdup(nn->string); | ||
return(verr(m, EMALLOC)); | } else | ||
} else if (NULL == (m->meta.arch = strdup(cp))) | m->meta.arch = mandoc_strdup(cp); | ||
return(verr(m, EMALLOC)); | |||
} | } | ||
/* Ignore any subsequent parameters... */ | /* Ignore any subsequent parameters... */ | ||
/* FIXME: warn about subsequent parameters. */ | |||
return(post_prol(m)); | return(post_prol(m, n)); | ||
} | } | ||
/* | |||
* Set the operating system by way of the `Os' macro. Note that if an | |||
* argument isn't provided and -DOSNAME="\"foo\"" is provided during | |||
* compilation, this value will be used instead of filling in "sysname | |||
* release" from uname(). | |||
*/ | |||
static int | static int | ||
post_os(POST_ARGS) | post_os(POST_ARGS) | ||
{ | { | ||
char buf[64]; | char buf[BUFSIZ]; | ||
#ifndef OSNAME | |||
struct utsname utsname; | struct utsname utsname; | ||
#endif | |||
if (m->meta.os) | if (m->meta.os) | ||
free(m->meta.os); | free(m->meta.os); | ||
buf[0] = 0; | if ( ! concat(m, buf, n->child, BUFSIZ)) | ||
if ( ! concat(m, m->last->child, buf, sizeof(buf))) | |||
return(0); | return(0); | ||
if (0 == buf[0]) { | if ('\0' == buf[0]) { | ||
#ifdef OSNAME | |||
if (strlcat(buf, OSNAME, BUFSIZ) >= BUFSIZ) | |||
return(mdoc_nerr(m, n, EUTSNAME)); | |||
#else /*!OSNAME */ | |||
if (-1 == uname(&utsname)) | if (-1 == uname(&utsname)) | ||
return(verr(m, EUTSNAME)); | return(mdoc_nerr(m, n, EUTSNAME)); | ||
if (strlcat(buf, utsname.sysname, 64) >= 64) | if (strlcat(buf, utsname.sysname, BUFSIZ) >= BUFSIZ) | ||
return(verr(m, ETOOLONG)); | return(mdoc_nerr(m, n, ETOOLONG)); | ||
if (strlcat(buf, " ", 64) >= 64) | if (strlcat(buf, " ", 64) >= BUFSIZ) | ||
return(verr(m, ETOOLONG)); | return(mdoc_nerr(m, n, ETOOLONG)); | ||
if (strlcat(buf, utsname.release, 64) >= 64) | if (strlcat(buf, utsname.release, BUFSIZ) >= BUFSIZ) | ||
return(verr(m, ETOOLONG)); | return(mdoc_nerr(m, n, ETOOLONG)); | ||
#endif /*!OSNAME*/ | |||
} | } | ||
if (NULL == (m->meta.os = strdup(buf))) | m->meta.os = mandoc_strdup(buf); | ||
return(verr(m, EMALLOC)); | return(post_prol(m, n)); | ||
m->flags |= MDOC_PBODY; | |||
return(post_prol(m)); | |||
} | } | ||
/* | /* | ||
* Calculate the -width for a `Bl -tag' list if it hasn't been provided. | * Calculate the -width for a `Bl -tag' list if it hasn't been provided. | ||
* Uses the first head macro. | * Uses the first head macro. NOTE AGAIN: this is ONLY if the -width | ||
* argument has NOT been provided. See post_bl_width() for converting | |||
* the -width string. | |||
*/ | */ | ||
static int | static int | ||
post_bl_tagwidth(struct mdoc *m) | post_bl_tagwidth(POST_ARGS) | ||
{ | { | ||
struct mdoc_node *n; | struct mdoc_node *nn; | ||
int sz; | size_t sz; | ||
char buf[32]; | int i; | ||
char buf[NUMSIZ]; | |||
/* | /* Defaults to ten ens. */ | ||
* Use the text width, if a text node, or the default macro | |||
* width if a macro. | |||
*/ | |||
n = m->last->body->child; | sz = 10; /* XXX: make this a macro value. */ | ||
if (n) { | nn = n->body->child; | ||
assert(MDOC_BLOCK == n->type); | |||
assert(MDOC_It == n->tok); | |||
n = n->head->child; | |||
} | |||
sz = 10; /* Default size. */ | if (nn) { | ||
assert(MDOC_BLOCK == nn->type); | |||
if (n) { | assert(MDOC_It == nn->tok); | ||
if (MDOC_TEXT != n->type) { | nn = nn->head->child; | ||
if (0 == (sz = (int)mdoc_macro2len(n->tok))) | if (MDOC_TEXT != nn->type) { | ||
if ( ! vwarn(m, WNOWIDTH)) | sz = mdoc_macro2len(nn->tok); | ||
if (sz == 0) { | |||
if ( ! mdoc_nwarn(m, n, ENOWIDTH)) | |||
return(0); | return(0); | ||
sz = 10; | |||
} | |||
} else | } else | ||
sz = (int)strlen(n->string) + 1; | sz = strlen(nn->string) + 1; | ||
} | } | ||
if (-1 == snprintf(buf, sizeof(buf), "%dn", sz)) | snprintf(buf, NUMSIZ, "%zun", sz); | ||
return(verr(m, ENUMFMT)); | |||
/* | /* | ||
* We have to dynamically add this to the macro's argument list. | * We have to dynamically add this to the macro's argument list. | ||
* We're guaranteed that a MDOC_Width doesn't already exist. | * We're guaranteed that a MDOC_Width doesn't already exist. | ||
*/ | */ | ||
n = m->last; | nn = n; | ||
assert(n->args); | assert(nn->args); | ||
sz = (int)(n->args->argc)++; | i = (int)(nn->args->argc)++; | ||
n->args->argv = realloc(n->args->argv, | nn->args->argv = mandoc_realloc(nn->args->argv, | ||
n->args->argc * sizeof(struct mdoc_argv)); | nn->args->argc * sizeof(struct mdoc_argv)); | ||
if (NULL == n->args->argv) | nn->args->argv[i].arg = MDOC_Width; | ||
return(verr(m, EMALLOC)); | nn->args->argv[i].line = n->line; | ||
nn->args->argv[i].pos = n->pos; | |||
n->args->argv[sz].arg = MDOC_Width; | nn->args->argv[i].sz = 1; | ||
n->args->argv[sz].line = m->last->line; | nn->args->argv[i].value = mandoc_malloc(sizeof(char *)); | ||
n->args->argv[sz].pos = m->last->pos; | nn->args->argv[i].value[0] = mandoc_strdup(buf); | ||
n->args->argv[sz].sz = 1; | |||
n->args->argv[sz].value = calloc(1, sizeof(char *)); | |||
if (NULL == n->args->argv[sz].value) | |||
return(verr(m, EMALLOC)); | |||
if (NULL == (n->args->argv[sz].value[0] = strdup(buf))) | |||
return(verr(m, EMALLOC)); | |||
return(1); | return(1); | ||
} | } | ||
/* | |||
* Calculate the real width of a list from the -width string, which may | |||
* contain a macro (with a known default width), a literal string, or a | |||
* scaling width. | |||
*/ | |||
static int | static int | ||
post_bl_width(struct mdoc *m) | post_bl_width(POST_ARGS) | ||
{ | { | ||
size_t width; | size_t width; | ||
int i, tok; | int i, tok; | ||
char buf[32]; | char buf[NUMSIZ]; | ||
char *p; | char *p; | ||
if (NULL == m->last->args) | if (NULL == n->args) | ||
return(1); | return(1); | ||
for (i = 0; i < (int)m->last->args->argc; i++) | for (i = 0; i < (int)n->args->argc; i++) | ||
if (MDOC_Width == m->last->args->argv[i].arg) | if (MDOC_Width == n->args->argv[i].arg) | ||
break; | break; | ||
if (i == (int)m->last->args->argc) | if (i == (int)n->args->argc) | ||
return(1); | return(1); | ||
p = m->last->args->argv[i].value[0]; | p = n->args->argv[i].value[0]; | ||
/* | /* | ||
* If the value to -width is a macro, then we re-write it to be | * If the value to -width is a macro, then we re-write it to be | ||
|
|
||
*/ | */ | ||
if (0 == strcmp(p, "Ds")) | if (0 == strcmp(p, "Ds")) | ||
/* XXX: make into a macro. */ | |||
width = 6; | width = 6; | ||
else if (MDOC_MAX == (tok = mdoc_hash_find(m->htab, p))) | else if (MDOC_MAX == (tok = mdoc_hash_find(p))) | ||
return(1); | return(1); | ||
else if (0 == (width = mdoc_macro2len(tok))) | else if (0 == (width = mdoc_macro2len(tok))) | ||
return(vwarn(m, WNOWIDTH)); | return(mdoc_nwarn(m, n, ENOWIDTH)); | ||
/* The value already exists: free and reallocate it. */ | /* The value already exists: free and reallocate it. */ | ||
if (-1 == snprintf(buf, sizeof(buf), "%zun", width)) | snprintf(buf, NUMSIZ, "%zun", width); | ||
return(verr(m, ENUMFMT)); | free(n->args->argv[i].value[0]); | ||
n->args->argv[i].value[0] = mandoc_strdup(buf); | |||
free(m->last->args->argv[i].value[0]); | |||
m->last->args->argv[i].value[0] = strdup(buf); | |||
if (NULL == m->last->args->argv[i].value[0]) | |||
return(verr(m, EMALLOC)); | |||
return(1); | return(1); | ||
} | } | ||
/* | |||
* Do processing for -column lists, which can have two distinct styles | |||
* of invocation. Merge this two styles into a consistent form. | |||
*/ | |||
/* ARGSUSED */ | |||
static int | static int | ||
post_bl_head(POST_ARGS) | post_bl_head(POST_ARGS) | ||
{ | { | ||
int i, c; | int i, c; | ||
struct mdoc_node *n, *nn, *nnp; | struct mdoc_node *np, *nn, *nnp; | ||
if (NULL == m->last->child) | if (NULL == n->child) | ||
return(1); | return(1); | ||
n = m->last->parent; | np = n->parent; | ||
assert(n->args); | assert(np->args); | ||
for (c = 0; c < (int)n->args->argc; c++) | for (c = 0; c < (int)np->args->argc; c++) | ||
if (MDOC_Column == n->args->argv[c].arg) | if (MDOC_Column == np->args->argv[c].arg) | ||
break; | break; | ||
/* Only process -column. */ | if (c == (int)np->args->argc) | ||
if (c == (int)n->args->argc) | |||
return(1); | return(1); | ||
assert(0 == np->args->argv[c].sz); | |||
assert(0 == n->args->argv[c].sz); | |||
/* | /* | ||
* Accomodate for new-style groff column syntax. Shuffle the | * Accomodate for new-style groff column syntax. Shuffle the | ||
|
|
||
* column field. Then, delete the head children. | * column field. Then, delete the head children. | ||
*/ | */ | ||
n->args->argv[c].sz = (size_t)m->last->nchild; | np->args->argv[c].sz = (size_t)n->nchild; | ||
n->args->argv[c].value = malloc | np->args->argv[c].value = mandoc_malloc | ||
((size_t)m->last->nchild * sizeof(char *)); | ((size_t)n->nchild * sizeof(char *)); | ||
for (i = 0, nn = m->last->child; nn; i++) { | for (i = 0, nn = n->child; nn; i++) { | ||
n->args->argv[c].value[i] = nn->string; | np->args->argv[c].value[i] = nn->string; | ||
nn->string = NULL; | nn->string = NULL; | ||
nnp = nn; | nnp = nn; | ||
nn = nn->next; | nn = nn->next; | ||
mdoc_node_free(nnp); | mdoc_node_free(nnp); | ||
} | } | ||
m->last->nchild = 0; | n->nchild = 0; | ||
m->last->child = NULL; | n->child = NULL; | ||
return(1); | return(1); | ||
} | } | ||
|
|
||
{ | { | ||
int i, r, len; | int i, r, len; | ||
if (MDOC_HEAD == m->last->type) | if (MDOC_HEAD == n->type) | ||
return(post_bl_head(m)); | return(post_bl_head(m, n)); | ||
if (MDOC_BLOCK != m->last->type) | if (MDOC_BLOCK != n->type) | ||
return(1); | return(1); | ||
/* | /* | ||
|
|
||
* rewritten into real lengths). | * rewritten into real lengths). | ||
*/ | */ | ||
len = (int)(m->last->args ? m->last->args->argc : 0); | len = (int)(n->args ? n->args->argc : 0); | ||
for (r = i = 0; i < len; i++) { | for (r = i = 0; i < len; i++) { | ||
if (MDOC_Tag == m->last->args->argv[i].arg) | if (MDOC_Tag == n->args->argv[i].arg) | ||
r |= 1 << 0; | r |= 1 << 0; | ||
if (MDOC_Width == m->last->args->argv[i].arg) | if (MDOC_Width == n->args->argv[i].arg) | ||
r |= 1 << 1; | r |= 1 << 1; | ||
} | } | ||
if (r & (1 << 0) && ! (r & (1 << 1))) { | if (r & (1 << 0) && ! (r & (1 << 1))) { | ||
if ( ! post_bl_tagwidth(m)) | if ( ! post_bl_tagwidth(m, n)) | ||
return(0); | return(0); | ||
} else if (r & (1 << 1)) | } else if (r & (1 << 1)) | ||
if ( ! post_bl_width(m)) | if ( ! post_bl_width(m, n)) | ||
return(0); | return(0); | ||
return(1); | return(1); | ||
} | } | ||
/* | |||
* The `Pa' macro defaults to a tilde if no value is provided as an | |||
* argument. | |||
*/ | |||
static int | static int | ||
post_lk(POST_ARGS) | post_pa(POST_ARGS) | ||
{ | { | ||
struct mdoc_node *n; | struct mdoc_node *np; | ||
if (m->last->child) | if (n->child) | ||
return(1); | return(1); | ||
n = m->last; | np = n; | ||
m->next = MDOC_NEXT_CHILD; | m->next = MDOC_NEXT_CHILD; | ||
/* FIXME: this isn't documented anywhere! */ | /* XXX: make into macro value. */ | ||
if ( ! mdoc_word_alloc(m, m->last->line, | if ( ! mdoc_word_alloc(m, n->line, n->pos, "~")) | ||
m->last->pos, "~")) | |||
return(0); | return(0); | ||
m->last = np; | |||
m->last = n; | |||
m->next = MDOC_NEXT_SIBLING; | |||
return(1); | return(1); | ||
} | } | ||
/* | |||
* The `Ar' macro defaults to two strings "file ..." if no value is | |||
* provided as an argument. | |||
*/ | |||
static int | static int | ||
post_ar(POST_ARGS) | post_ar(POST_ARGS) | ||
{ | { | ||
struct mdoc_node *n; | struct mdoc_node *np; | ||
if (m->last->child) | if (n->child) | ||
return(1); | return(1); | ||
n = m->last; | np = n; | ||
m->next = MDOC_NEXT_CHILD; | m->next = MDOC_NEXT_CHILD; | ||
if ( ! mdoc_word_alloc(m, m->last->line, | /* XXX: make into macro values. */ | ||
m->last->pos, "file")) | if ( ! mdoc_word_alloc(m, n->line, n->pos, "file")) | ||
return(0); | return(0); | ||
m->next = MDOC_NEXT_SIBLING; | if ( ! mdoc_word_alloc(m, n->line, n->pos, "...")) | ||
if ( ! mdoc_word_alloc(m, m->last->line, | |||
m->last->pos, "...")) | |||
return(0); | return(0); | ||
m->last = np; | |||
m->last = n; | |||
m->next = MDOC_NEXT_SIBLING; | |||
return(1); | return(1); | ||
} | } | ||
/* | |||
* Parse the date field in `Dd'. | |||
*/ | |||
static int | static int | ||
post_dd(POST_ARGS) | post_dd(POST_ARGS) | ||
{ | { | ||
char buf[64]; | char buf[DATESIZ]; | ||
buf[0] = 0; | if ( ! concat(m, buf, n->child, DATESIZ)) | ||
if ( ! concat(m, m->last->child, buf, sizeof(buf))) | |||
return(0); | return(0); | ||
if (0 == (m->meta.date = mdoc_atotime(buf))) { | m->meta.date = mandoc_a2time | ||
if ( ! vwarn(m, WBADDATE)) | (MTIME_MDOCDATE | MTIME_CANONICAL, buf); | ||
if (0 == m->meta.date) { | |||
if ( ! mdoc_nwarn(m, n, EBADDATE)) | |||
return(0); | return(0); | ||
m->meta.date = time(NULL); | m->meta.date = time(NULL); | ||
} | } | ||
return(post_prol(m)); | return(post_prol(m, n)); | ||
} | } | ||
/* | |||
* Remove prologue macros from the document after they're processed. | |||
* The final document uses mdoc_meta for these values and discards the | |||
* originals. | |||
*/ | |||
static int | static int | ||
post_prol(POST_ARGS) | post_prol(POST_ARGS) | ||
{ | { | ||
struct mdoc_node *n; | struct mdoc_node *np; | ||
/* | if (n->parent->child == n) | ||
* The end document shouldn't have the prologue macros as part | n->parent->child = n->prev; | ||
* of the syntax tree (they encompass only meta-data). | if (n->prev) | ||
*/ | n->prev->next = NULL; | ||
if (m->last->parent->child == m->last) | np = n; | ||
m->last->parent->child = m->last->prev; | assert(NULL == n->next); | ||
if (m->last->prev) | |||
m->last->prev->next = NULL; | |||
n = m->last; | if (n->prev) { | ||
assert(NULL == m->last->next); | m->last = n->prev; | ||
if (m->last->prev) { | |||
m->last = m->last->prev; | |||
m->next = MDOC_NEXT_SIBLING; | m->next = MDOC_NEXT_SIBLING; | ||
} else { | } else { | ||
m->last = m->last->parent; | m->last = n->parent; | ||
m->next = MDOC_NEXT_CHILD; | m->next = MDOC_NEXT_CHILD; | ||
} | } | ||
mdoc_node_freelist(n); | mdoc_node_freelist(np); | ||
if (m->meta.title && m->meta.date && m->meta.os) | |||
m->flags |= MDOC_PBODY; | |||
return(1); | return(1); | ||
} | } | ||
/* | |||
* Trigger a literal context. | |||
*/ | |||
static int | static int | ||
pre_dl(PRE_ARGS) | pre_dl(PRE_ARGS) | ||
{ | { | ||
|
|
||
} | } | ||
/* ARGSUSED */ | |||
static int | static int | ||
pre_offset(PRE_ARGS) | |||
{ | |||
int i; | |||
/* | |||
* Make sure that an empty offset produces an 8n length space as | |||
* stipulated by mdoc.samples. | |||
*/ | |||
assert(n->args); | |||
for (i = 0; i < (int)n->args->argc; i++) { | |||
if (MDOC_Offset != n->args->argv[i].arg) | |||
continue; | |||
if (n->args->argv[i].sz) | |||
break; | |||
assert(1 == n->args->refcnt); | |||
/* If no value set, length of <string>. */ | |||
n->args->argv[i].sz++; | |||
n->args->argv[i].value = mandoc_malloc(sizeof(char *)); | |||
n->args->argv[i].value[0] = mandoc_strdup("8n"); | |||
break; | |||
} | |||
return(1); | |||
} | |||
static int | |||
pre_bl(PRE_ARGS) | |||
{ | |||
return(MDOC_BLOCK == n->type ? pre_offset(m, n) : 1); | |||
} | |||
static int | |||
pre_bd(PRE_ARGS) | pre_bd(PRE_ARGS) | ||
{ | { | ||
int i; | int i; | ||
if (MDOC_BLOCK == n->type) | |||
return(pre_offset(m, n)); | |||
if (MDOC_BODY != n->type) | if (MDOC_BODY != n->type) | ||
return(1); | return(1); | ||
/* Enter literal context if `Bd -literal' or * -unfilled'. */ | /* Enter literal context if `Bd -literal' or `-unfilled'. */ | ||
for (n = n->parent, i = 0; i < (int)n->args->argc; i++) | for (n = n->parent, i = 0; i < (int)n->args->argc; i++) | ||
if (MDOC_Literal == n->args->argv[i].arg) | if (MDOC_Literal == n->args->argv[i].arg) | ||
break; | m->flags |= MDOC_LITERAL; | ||
else if (MDOC_Unfilled == n->args->argv[i].arg) | else if (MDOC_Unfilled == n->args->argv[i].arg) | ||
break; | m->flags |= MDOC_LITERAL; | ||
if (i < (int)n->args->argc) | |||
m->flags |= MDOC_LITERAL; | |||
return(1); | return(1); | ||
} | } | ||
|
|
||
post_display(POST_ARGS) | post_display(POST_ARGS) | ||
{ | { | ||
if (MDOC_BODY == m->last->type) | if (MDOC_BODY == n->type) | ||
m->flags &= ~MDOC_LITERAL; | m->flags &= ~MDOC_LITERAL; | ||
return(1); | return(1); | ||
} | } | ||
static inline int | |||
order_rs(int t) | |||
{ | |||
int i; | |||
for (i = 0; i < RSORD_MAX; i++) | |||
if (rsord[i] == t) | |||
return(i); | |||
abort(); | |||
/* NOTREACHED */ | |||
} | |||
/* ARGSUSED */ | |||
static int | |||
post_rs(POST_ARGS) | |||
{ | |||
struct mdoc_node *nn, *next, *prev; | |||
int o; | |||
if (MDOC_BLOCK != n->type) | |||
return(1); | |||
assert(n->body->child); | |||
for (next = NULL, nn = n->body->child->next; nn; nn = next) { | |||
o = order_rs(nn->tok); | |||
/* Remove `nn' from the chain. */ | |||
next = nn->next; | |||
if (next) | |||
next->prev = nn->prev; | |||
prev = nn->prev; | |||
if (prev) | |||
prev->next = nn->next; | |||
nn->prev = nn->next = NULL; | |||
/* | |||
* Scan back until we reach a node that's ordered before | |||
* us, then set ourselves as being the next. | |||
*/ | |||
for ( ; prev; prev = prev->prev) | |||
if (order_rs(prev->tok) <= o) | |||
break; | |||
nn->prev = prev; | |||
if (prev) { | |||
if (prev->next) | |||
prev->next->prev = nn; | |||
nn->next = prev->next; | |||
prev->next = nn; | |||
continue; | |||
} | |||
n->body->child->prev = nn; | |||
nn->next = n->body->child; | |||
n->body->child = nn; | |||
} | |||
return(1); | |||
} |