mandoc/mdoc_action.c - diff

Return to mdoc_action.c CVS log

Up to [cvsweb.bsd.lv] / mandoc

Diff for /mandoc/Attic/mdoc_action.c between version 1.33 and 1.63

version 1.33, 2009/07/25 16:03:03

version 1.63, 2010/05/30 11:00:53

Line 14

* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF

* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

#ifdef HAVE_CONFIG_H

#include "config.h"

#endif

#ifndef OSNAME

#include <sys/utsname.h>

#endif

#include <assert.h>

#include <errno.h>

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <time.h>

#include "mandoc.h"

#include "libmdoc.h"

#include "libmandoc.h"

#define PRE_ARGS struct mdoc *m, const struct mdoc_node *n

#define POST_ARGS struct mdoc *m, struct mdoc_node *n

#define POST_ARGS struct mdoc *m

#define PRE_ARGS struct mdoc *m, struct mdoc_node *n

#define NUMSIZ 32

#define DATESIZ 32

struct actions {

int (*pre)(PRE_ARGS);

int (*post)(POST_ARGS);

};

static int concat(struct mdoc *, char *,

const struct mdoc_node *, size_t);

static inline int order_rs(enum mdoct);

static int post_ar(POST_ARGS);

static int post_at(POST_ARGS);

static int post_bl(POST_ARGS);

Line 42 static int post_dd(POST_ARGS);

Line 57 static int post_dd(POST_ARGS);

static int post_display(POST_ARGS);

static int post_dt(POST_ARGS);

static int post_lb(POST_ARGS);

static int post_li(POST_ARGS);

static int post_nm(POST_ARGS);

static int post_os(POST_ARGS);

static int post_pa(POST_ARGS);

static int post_prol(POST_ARGS);

static int post_rs(POST_ARGS);

static int post_sh(POST_ARGS);

static int post_st(POST_ARGS);

static int post_std(POST_ARGS);

static int post_tilde(POST_ARGS);

static int pre_bd(PRE_ARGS);

static int pre_bl(PRE_ARGS);

static int pre_dl(PRE_ARGS);

static int pre_offset(PRE_ARGS);

const struct actions mdoc_actions[MDOC_MAX] = {

static const struct actions mdoc_actions[MDOC_MAX] = {

{ NULL, NULL }, /* Ap */

{ NULL, post_dd }, /* Dd */

{ NULL, post_dt }, /* Dt */

Line 65 const struct actions mdoc_actions[MDOC_MAX] = {

Line 84 const struct actions mdoc_actions[MDOC_MAX] = {

{ pre_dl, post_display }, /* Dl */

{ pre_bd, post_display }, /* Bd */

{ NULL, NULL }, /* Ed */

{ NULL, post_bl }, /* Bl */

{ pre_bl, post_bl }, /* Bl */

{ NULL, NULL }, /* El */

{ NULL, NULL }, /* It */

{ NULL, NULL }, /* Ad */

{ NULL, NULL }, /* An */

{ NULL, post_ar }, /* Ar */

{ NULL, NULL }, /* Cd */ /* FIXME: tabs are accepted! */

{ NULL, NULL }, /* Cd */

{ NULL, NULL }, /* Cm */

{ NULL, NULL }, /* Dv */

{ NULL, NULL }, /* Er */

Line 84 const struct actions mdoc_actions[MDOC_MAX] = {

Line 103 const struct actions mdoc_actions[MDOC_MAX] = {

{ NULL, NULL }, /* Ft */

{ NULL, NULL }, /* Ic */

{ NULL, NULL }, /* In */

{ NULL, NULL }, /* Li */

{ NULL, post_li }, /* Li */

{ NULL, NULL }, /* Nd */

{ NULL, post_nm }, /* Nm */

{ NULL, NULL }, /* Op */

{ NULL, NULL }, /* Ot */

{ NULL, post_tilde }, /* Pa */

{ NULL, post_pa }, /* Pa */

{ NULL, post_std }, /* Rv */

{ NULL, post_st }, /* St */

{ NULL, NULL }, /* Va */

Line 139 const struct actions mdoc_actions[MDOC_MAX] = {

Line 158 const struct actions mdoc_actions[MDOC_MAX] = {

{ NULL, NULL }, /* Qo */

{ NULL, NULL }, /* Qq */

{ NULL, NULL }, /* Re */

{ NULL, NULL }, /* Rs */

{ NULL, post_rs }, /* Rs */

{ NULL, NULL }, /* Sc */

{ NULL, NULL }, /* So */

{ NULL, NULL }, /* Sq */

Line 162 const struct actions mdoc_actions[MDOC_MAX] = {

Line 181 const struct actions mdoc_actions[MDOC_MAX] = {

{ NULL, NULL }, /* Ud */

{ NULL, post_lb }, /* Lb */

{ NULL, NULL }, /* Lp */

{ NULL, post_tilde }, /* Lk */

{ NULL, NULL }, /* Lk */

{ NULL, NULL }, /* Mt */

{ NULL, NULL }, /* Brq */

{ NULL, NULL }, /* Bro */

Line 174 const struct actions mdoc_actions[MDOC_MAX] = {

Line 193 const struct actions mdoc_actions[MDOC_MAX] = {

{ NULL, NULL }, /* %Q */

{ NULL, NULL }, /* br */

{ NULL, NULL }, /* sp */

{ NULL, NULL }, /* %U */

};

static int concat(struct mdoc *, const struct mdoc_node *,

#define RSORD_MAX 14

char *, size_t);

#ifdef __linux__

static const enum mdoct 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

mdoc_action_pre(struct mdoc *m, const struct mdoc_node *n)

mdoc_action_pre(struct mdoc *m, struct mdoc_node *n)

{

switch (n->type) {

Line 222 mdoc_action_post(struct mdoc *m)

Line 254 mdoc_action_post(struct mdoc *m)

if (NULL == mdoc_actions[m->last->tok].post)

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

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) {

assert(MDOC_TEXT == n->type);

if (strlcat(buf, n->string, sz) >= sz)

return(mdoc_nerr(m, n, ETOOLONG));

* XXX: yes, these can technically be resized, but it's

* highly unlikely that we're going to get here, so let

* it slip for now.

if (strlcat(p, n->string, sz) >= sz) {

mdoc_nmsg(m, n, MANDOCERR_MEM);

return(0);

}

if (NULL == n->next)

continue;

if (strlcat(buf, " ", sz) >= sz)

if (strlcat(p, " ", sz) >= sz) {

return(mdoc_nerr(m, n, ETOOLONG));

mdoc_nmsg(m, n, MANDOCERR_MEM);

return(0);

}

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

post_std(POST_ARGS)

{

struct mdoc_node *nn;

if (n->child)

* If '-std' is invoked without an argument, fill it in with our

* name (if it's been set).

if (NULL == m->last->args)

return(1);

if (m->last->args->argv[0].sz)

if (NULL == m->meta.name)

return(1);

nn = n;

m->next = MDOC_NEXT_CHILD;

assert(m->meta.name);

if ( ! mdoc_word_alloc(m, n->line, n->pos, m->meta.name))

return(0);

m->last->args->argv[0].value = calloc(1, sizeof(char *));

m->last = nn;

if (NULL == m->last->args->argv[0].value)

return(mdoc_nerr(m, m->last, EMALLOC));

m->last->args->argv[0].sz = 1;

m->last->args->argv[0].value[0] = strdup(m->meta.name);

if (NULL == m->last->args->argv[0].value[0])

return(mdoc_nerr(m, m->last, EMALLOC));

return(1);

}

* The `Nm' macro's first use sets the name of the document. See also

* post_std(), etc.

static int

post_nm(POST_ARGS)

{

char buf[64];

char buf[BUFSIZ];

if (m->meta.name)

return(1);

if ( ! concat(m, buf, n->child, BUFSIZ))

buf[0] = 0;

if ( ! concat(m, m->last->child, buf, sizeof(buf)))

return(0);

m->meta.name = mandoc_strdup(buf);

if (NULL == (m->meta.name = strdup(buf)))

return(mdoc_nerr(m, m->last, EMALLOC));

return(1);

}

* 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

post_lb(POST_ARGS)

{

Line 300 post_lb(POST_ARGS)

Line 347 post_lb(POST_ARGS)

char *buf;

size_t sz;

assert(MDOC_TEXT == m->last->child->type);

assert(MDOC_TEXT == n->child->type);

p = mdoc_a2lib(m->last->child->string);

p = mdoc_a2lib(n->child->string);

if (NULL == p) {

sz = strlen(m->last->child->string) +

if (p) {

2 + strlen("\\(lqlibrary\\(rq");

free(n->child->string);

buf = malloc(sz);

n->child->string = mandoc_strdup(p);

if (NULL == buf)

return(mdoc_nerr(m, m->last, EMALLOC));

(void)snprintf(buf, sz, "library \\(lq%s\\(rq",

m->last->child->string);

free(m->last->child->string);

m->last->child->string = buf;

return(1);

}

free(m->last->child->string);

sz = strlen(n->child->string) +

m->last->child->string = strdup(p);

2 + strlen("\\(lqlibrary\\(rq");

if (NULL == m->last->child->string)

buf = mandoc_malloc(sz);

return(mdoc_nerr(m, m->last, EMALLOC));

snprintf(buf, sz, "library \\(lq%s\\(rq", n->child->string);

free(n->child->string);

n->child->string = buf;

return(1);

}

* Substitute the value of `St' for the corresponding formatted string.

* We're guaranteed that this exists (it's been verified during the

* validation phase).

/* ARGSUSED */

static int

post_st(POST_ARGS)

{

const char *p;

assert(MDOC_TEXT == m->last->child->type);

assert(MDOC_TEXT == n->child->type);

p = mdoc_a2st(m->last->child->string);

p = mdoc_a2st(n->child->string);

assert(p);

if (p != NULL) {

free(m->last->child->string);

free(n->child->string);

m->last->child->string = strdup(p);

n->child->string = mandoc_strdup(p);

if (NULL == m->last->child->string)

}

return(mdoc_nerr(m, m->last, EMALLOC));

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

post_at(POST_ARGS)

{

struct mdoc_node *n;

struct mdoc_node *nn;

const char *p;

const char *p, *q;

char *buf;

size_t sz;

if (m->last->child) {

if (n->child) {

assert(MDOC_TEXT == m->last->child->type);

assert(MDOC_TEXT == n->child->type);

p = mdoc_a2att(m->last->child->string);

p = mdoc_a2att(n->child->string);

assert(p);

if (p) {

free(m->last->child->string);

free(n->child->string);

m->last->child->string = strdup(p);

n->child->string = mandoc_strdup(p);

if (NULL == m->last->child->string)

} else {

return(mdoc_nerr(m, m->last, EMALLOC));

p = "AT&T UNIX ";

q = n->child->string;

sz = strlen(p) + strlen(q) + 1;

buf = mandoc_malloc(sz);

strlcpy(buf, p, sz);

strlcat(buf, q, sz);

free(n->child->string);

n->child->string = buf;

}

return(1);

}

n = m->last;

nn = n;

m->next = MDOC_NEXT_CHILD;

if ( ! mdoc_word_alloc(m, nn->line, nn->pos, "AT&T UNIX"))

if ( ! mdoc_word_alloc(m, n->line, n->pos, "AT&T UNIX"))

return(0);

m->last = nn;

m->last = n;

m->next = MDOC_NEXT_SIBLING;

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

post_sh(POST_ARGS)

{

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);

buf[0] = 0;

if ( ! concat(m, buf, n->child, BUFSIZ))

if ( ! concat(m, m->last->child, buf, sizeof(buf)))

return(0);

if (SEC_CUSTOM != (sec = mdoc_atosec(buf)))

sec = mdoc_str2sec(buf);

* The first section should always make us move into a non-new

* state.

if (SEC_NONE == m->lastnamed || SEC_CUSTOM != sec)

m->lastnamed = sec;

/* Some sections only live in certain manual sections. */

switch ((m->lastsec = sec)) {

case (SEC_RETURN_VALUES):

/* FALLTHROUGH */

case (SEC_ERRORS):

switch (m->meta.msec) {

assert(m->meta.msec);

case (2):

if (*m->meta.msec == '2')

/* FALLTHROUGH */

case (3):

/* FALLTHROUGH */

case (9):

break;

default:

if (*m->meta.msec == '3')

return(mdoc_nwarn(m, m->last, EBADSEC));

break;

}

if (*m->meta.msec == '9')

break;

return(mdoc_nmsg(m, n, MANDOCERR_SECMSEC));

default:

break;

}

Line 411 post_sh(POST_ARGS)

Line 474 post_sh(POST_ARGS)

}

* Parse out the contents of `Dt'. See in-line documentation for how we

* handle the various fields of this macro.

static int

post_dt(POST_ARGS)

{

struct mdoc_node *n;

struct mdoc_node *nn;

const char *cp;

char *ep;

long lval;

if (m->meta.title)

free(m->meta.title);

Line 427 post_dt(POST_ARGS)

Line 492 post_dt(POST_ARGS)

free(m->meta.arch);

m->meta.title = m->meta.vol = m->meta.arch = NULL;

m->meta.msec = 0;

/* Handles: `.Dt'

* --> 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(mdoc_nerr(m, m->last, EMALLOC));

/* FIXME: warn about missing values. */

if (NULL == (m->meta.vol = strdup("local")))

m->meta.title = mandoc_strdup("UNKNOWN");

return(mdoc_nerr(m, m->last, EMALLOC));

m->meta.vol = mandoc_strdup("LOCAL");

return(post_prol(m));

m->meta.msec = mandoc_strdup("1");

return(post_prol(m, n));

}

/* Handles: `.Dt TITLE'

* --> title = TITLE, volume = local, msec = 0, arch = NULL

if (NULL == (m->meta.title = strdup(n->string)))

m->meta.title = mandoc_strdup

return(mdoc_nerr(m, m->last, EMALLOC));

('\0' == nn->string[0] ? "UNKNOWN" : nn->string);

if (NULL == (n = n->next)) {

if (NULL == (nn = nn->next)) {

if (NULL == (m->meta.vol = strdup("local")))

/* FIXME: warn about missing msec. */

return(mdoc_nerr(m, m->last, EMALLOC));

/* XXX: make this a macro value. */

return(post_prol(m));

m->meta.vol = mandoc_strdup("LOCAL");

m->meta.msec = mandoc_strdup("1");

return(post_prol(m, n));

}

/* Handles: `.Dt TITLE SEC'

Line 461 post_dt(POST_ARGS)

Line 527 post_dt(POST_ARGS)

* arch = NULL

cp = mdoc_a2msec(n->string);

cp = mdoc_a2msec(nn->string);

if (cp) {

if (NULL == (m->meta.vol = strdup(cp)))

m->meta.vol = mandoc_strdup(cp);

return(mdoc_nerr(m, m->last, EMALLOC));

m->meta.msec = mandoc_strdup(nn->string);

errno = 0;

} else if (mdoc_nmsg(m, n, MANDOCERR_BADMSEC)) {

lval = strtol(n->string, &ep, 10);

m->meta.vol = mandoc_strdup(nn->string);

if (n->string[0] != '\0' && *ep == '\0')

m->meta.msec = mandoc_strdup(nn->string);

m->meta.msec = (int)lval;

} else

} else if (NULL == (m->meta.vol = strdup(n->string)))

return(0);

return(mdoc_nerr(m, m->last, EMALLOC));

if (NULL == (n = n->next))

if (NULL == (nn = nn->next))

return(post_prol(m));

return(post_prol(m, n));

/* Handles: `.Dt TITLE SEC VOL'

* --> title = TITLE, volume = VOL is vol ?

Line 482 post_dt(POST_ARGS)

Line 547 post_dt(POST_ARGS)

* VOL

cp = mdoc_a2vol(n->string);

cp = mdoc_a2vol(nn->string);

if (cp) {

free(m->meta.vol);

if (NULL == (m->meta.vol = strdup(cp)))

m->meta.vol = mandoc_strdup(cp);

return(mdoc_nerr(m, m->last, EMALLOC));

} else {

cp = mdoc_a2arch(n->string);

/* FIXME: warn about bad arch. */

cp = mdoc_a2arch(nn->string);

if (NULL == cp) {

free(m->meta.vol);

if (NULL == (m->meta.vol = strdup(n->string)))

m->meta.vol = mandoc_strdup(nn->string);

return(mdoc_nerr(m, m->last, EMALLOC));

} else

} else if (NULL == (m->meta.arch = strdup(cp)))

m->meta.arch = mandoc_strdup(cp);

return(mdoc_nerr(m, m->last, EMALLOC));

}

/* 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

post_os(POST_ARGS)

{

char buf[64];

char buf[BUFSIZ];

#ifndef OSNAME

struct utsname utsname;

#endif

if (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);

if (0 == buf[0]) {

/* XXX: yes, these can all be dynamically-adjusted buffers, but

* it's really not worth the extra hackery.

if ('\0' == buf[0]) {

#ifdef OSNAME

if (strlcat(buf, OSNAME, BUFSIZ) >= BUFSIZ) {

mdoc_nmsg(m, n, MANDOCERR_MEM);

return(0);

}

#else /*!OSNAME */

if (-1 == uname(&utsname))

return(mdoc_nerr(m, m->last, EUTSNAME));

return(mdoc_nmsg(m, n, MANDOCERR_UTSNAME));

if (strlcat(buf, utsname.sysname, 64) >= 64)

return(mdoc_nerr(m, m->last, ETOOLONG));

if (strlcat(buf, utsname.sysname, BUFSIZ) >= BUFSIZ) {

if (strlcat(buf, " ", 64) >= 64)

mdoc_nmsg(m, n, MANDOCERR_MEM);

return(mdoc_nerr(m, m->last, ETOOLONG));

return(0);

if (strlcat(buf, utsname.release, 64) >= 64)

}

return(mdoc_nerr(m, m->last, ETOOLONG));

if (strlcat(buf, " ", 64) >= BUFSIZ) {

mdoc_nmsg(m, n, MANDOCERR_MEM);

return(0);

}

if (strlcat(buf, utsname.release, BUFSIZ) >= BUFSIZ) {

mdoc_nmsg(m, n, MANDOCERR_MEM);

return(0);

}

#endif /*!OSNAME*/

}

if (NULL == (m->meta.os = strdup(buf)))

m->meta.os = mandoc_strdup(buf);

return(mdoc_nerr(m, m->last, 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.

* 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

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) {

assert(MDOC_BLOCK == n->type);

for (nn = n->body->child; nn; nn = nn->next) {

assert(MDOC_It == n->tok);

if (MDOC_It == nn->tok)

n = n->head->child;

break;

}

sz = 10; /* Default size. */

if (nn) {

assert(MDOC_BLOCK == nn->type);

if (n) {

nn = nn->head->child;

if (MDOC_TEXT != n->type) {

if (MDOC_TEXT != nn->type) {

if (0 == (sz = (int)mdoc_macro2len(n->tok)))

sz = mdoc_macro2len(nn->tok);

if ( ! mdoc_nwarn(m, m->last, ENOWIDTH))

if (sz == 0) {

if ( ! mdoc_nmsg(m, n, MANDOCERR_NOWIDTHARG))

return(0);

sz = 10;

}

} 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(mdoc_nerr(m, m->last, ENUMFMT));

* We have to dynamically add this to the macro's argument list.

* 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(mdoc_nerr(m, m->last, 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(mdoc_nerr(m, m->last, EMALLOC));

if (NULL == (n->args->argv[sz].value[0] = strdup(buf)))

return(mdoc_nerr(m, m->last, EMALLOC));

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

post_bl_width(struct mdoc *m)

post_bl_width(POST_ARGS)

{

size_t width;

int i, tok;

int i;

char buf[32];

enum mdoct tok;

char buf[NUMSIZ];

char *p;

if (NULL == m->last->args)

if (NULL == n->args)

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;

if (i == (int)m->last->args->argc)

if (i == (int)n->args->argc)

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

Line 628 post_bl_width(struct mdoc *m)

Line 715 post_bl_width(struct mdoc *m)

if (0 == strcmp(p, "Ds"))

width = 6;

else if (MDOC_MAX == (tok = mdoc_hash_find(m->htab, p)))

else if (MDOC_MAX == (tok = mdoc_hash_find(p)))

return(1);

else if (0 == (width = mdoc_macro2len(tok)))

return(mdoc_nwarn(m, m->last, ENOWIDTH));

return(mdoc_nmsg(m, n, MANDOCERR_BADWIDTH));

/* The value already exists: free and reallocate it. */

if (-1 == snprintf(buf, sizeof(buf), "%zun", width))

snprintf(buf, NUMSIZ, "%zun", width);

return(mdoc_nerr(m, m->last, 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(mdoc_nerr(m, m->last, EMALLOC));

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

post_bl_head(POST_ARGS)

{

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);

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;

/* Only process -column. */

if (c == (int)np->args->argc)

if (c == (int)n->args->argc)

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

Line 676 post_bl_head(POST_ARGS)

Line 760 post_bl_head(POST_ARGS)

* 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;

nnp = nn;

nn = nn->next;

mdoc_node_free(nnp);

mdoc_node_delete(NULL, nnp);

}

m->last->nchild = 0;

n->nchild = 0;

m->last->child = NULL;

n->child = NULL;

return(1);

}

Line 700 post_bl(POST_ARGS)

Line 783 post_bl(POST_ARGS)

{

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);

Line 713 post_bl(POST_ARGS)

Line 796 post_bl(POST_ARGS)

* 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++) {

if (MDOC_Tag == m->last->args->argv[i].arg)

if (MDOC_Tag == n->args->argv[i].arg)

r |= 1 << 0;

if (MDOC_Width == m->last->args->argv[i].arg)

if (MDOC_Width == n->args->argv[i].arg)

r |= 1 << 1;

}

if (r & (1 << 0) && ! (r & (1 << 1))) {

if ( ! post_bl_tagwidth(m))

if ( ! post_bl_tagwidth(m, n))

return(0);

} else if (r & (1 << 1))

if ( ! post_bl_width(m))

if ( ! post_bl_width(m, n))

return(0);

return(1);

}

* The `Pa' macro defaults to a tilde if no value is provided as an

* argument.

static int

post_tilde(POST_ARGS)

post_pa(POST_ARGS)

{

struct mdoc_node *n;

struct mdoc_node *np;

if (m->last->child)

if (n->child)

return(1);

n = m->last;

np = n;

m->next = MDOC_NEXT_CHILD;

/* XXX: make into macro value. */

/* XXX: not documented for `Lk'. */

if ( ! mdoc_word_alloc(m, n->line, n->pos, "~"))

if ( ! mdoc_word_alloc(m, m->last->line, m->last->pos, "~"))

return(0);

m->last = np;

return(1);

}

m->last = n;

m->next = MDOC_NEXT_SIBLING;

* Empty `Li' macros get an empty string to make front-ends add an extra

* space.

static int

post_li(POST_ARGS)

{

struct mdoc_node *np;

if (n->child)

return(1);

np = n;

m->next = MDOC_NEXT_CHILD;

if ( ! mdoc_word_alloc(m, n->line, n->pos, ""))

return(0);

m->last = np;

return(1);

}

* The `Ar' macro defaults to two strings "file ..." if no value is

* provided as an argument.

static int

post_ar(POST_ARGS)

{

struct mdoc_node *n;

struct mdoc_node *np;

if (m->last->child)

if (n->child)

return(1);

n = m->last;

np = n;

m->next = MDOC_NEXT_CHILD;

if ( ! mdoc_word_alloc(m, m->last->line, m->last->pos, "file"))

/* XXX: make into macro values. */

if ( ! mdoc_word_alloc(m, n->line, n->pos, "file"))

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);

m->last = np;

m->last = n;

m->next = MDOC_NEXT_SIBLING;

return(1);

}

* Parse the date field in `Dd'.

static int

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);

if (0 == (m->meta.date = mdoc_atotime(buf))) {

m->meta.date = mandoc_a2time

if ( ! mdoc_nwarn(m, m->last, EBADDATE))

(MTIME_MDOCDATE | MTIME_CANONICAL, buf);

if (0 == m->meta.date) {

if ( ! mdoc_nmsg(m, n, MANDOCERR_BADDATE))

return(0);

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

post_prol(POST_ARGS)

{

struct mdoc_node *n;

mdoc_node_delete(m, n);

* The end document shouldn't have the prologue macros as part

if (m->meta.title && m->meta.date && m->meta.os)

* of the syntax tree (they encompass only meta-data).

m->flags |= MDOC_PBODY;

return(1);

}

if (m->last->parent->child == m->last)

m->last->parent->child = m->last->prev;

if (m->last->prev)

m->last->prev->next = NULL;

n = m->last;

assert(NULL == m->last->next);

* Trigger a literal context.

static int

pre_dl(PRE_ARGS)

{

if (m->last->prev) {

if (MDOC_BODY == n->type)

m->last = m->last->prev;

m->flags |= MDOC_LITERAL;

m->next = MDOC_NEXT_SIBLING;

return(1);

} else {

}

m->last = m->last->parent;

m->next = MDOC_NEXT_CHILD;

/* ARGSUSED */

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;

}

mdoc_node_freelist(n);

return(1);

}

static int

pre_dl(PRE_ARGS)

pre_bl(PRE_ARGS)

{

int pos;

if (MDOC_BODY == n->type)

if (MDOC_BLOCK != n->type) {

m->flags |= MDOC_LITERAL;

assert(n->parent);

return(1);

assert(MDOC_BLOCK == n->parent->type);

assert(MDOC_Bl == n->parent->tok);

assert(LIST__NONE != n->parent->data.list);

n->data.list = n->parent->data.list;

return(1);

}

assert(LIST__NONE == n->data.list);

for (pos = 0; pos < (int)n->args->argc; pos++) {

switch (n->args->argv[pos].arg) {

case (MDOC_Bullet):

n->data.list = LIST_bullet;

break;

case (MDOC_Dash):

n->data.list = LIST_dash;

break;

case (MDOC_Enum):

n->data.list = LIST_enum;

break;

case (MDOC_Hyphen):

n->data.list = LIST_hyphen;

break;

case (MDOC_Item):

n->data.list = LIST_item;

break;

case (MDOC_Tag):

n->data.list = LIST_tag;

break;

case (MDOC_Diag):

n->data.list = LIST_diag;

break;

case (MDOC_Hang):

n->data.list = LIST_hang;

break;

case (MDOC_Ohang):

n->data.list = LIST_ohang;

break;

case (MDOC_Inset):

n->data.list = LIST_inset;

break;

case (MDOC_Column):

n->data.list = LIST_column;

break;

default:

break;

}

if (LIST__NONE != n->data.list)

break;

}

assert(LIST__NONE != n->data.list);

return(pre_offset(m, n));

}

Line 841 pre_bd(PRE_ARGS)

Line 1033 pre_bd(PRE_ARGS)

{

int i;

if (MDOC_BLOCK == n->type)

return(pre_offset(m, n));

if (MDOC_BODY != n->type)

return(1);

/* Enter literal context if `Bd -literal' or `-unfilled'. */

* TODO: `-offset' without an argument should be the width of

* the literal "<string>".

for (n = n->parent, i = 0; i < (int)n->args->argc; i++)

if (MDOC_Literal == n->args->argv[i].arg)

break;

m->flags |= MDOC_LITERAL;

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);

}

Line 868 static int

Line 1054 static int

post_display(POST_ARGS)

{

if (MDOC_BODY == m->last->type)

if (MDOC_BODY == n->type)

m->flags &= ~MDOC_LITERAL;

return(1);

}

static inline int

order_rs(enum mdoct t)

{

int i;

for (i = 0; i < (int)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);

}

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