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 1.45 and 1.46

version 1.45, 2009/10/26 10:36:46

version 1.46, 2009/10/29 04:34:38

Line 26

#include <time.h>

#include "libmdoc.h"

#include "libmandoc.h"

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

#define PRE_ARGS struct mdoc *m, const 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 *,

static int concat(struct mdoc *, char *,

const struct mdoc_node *,

const struct mdoc_node *, size_t);

char *, size_t);

static inline int order_rs(int);

#ifdef __linux__

Line 56 static int post_dt(POST_ARGS);

Line 59 static int post_dt(POST_ARGS);

static int post_lb(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);

Line 104 static const struct actions mdoc_actions[MDOC_MAX] = {

Line 107 static const struct actions mdoc_actions[MDOC_MAX] = {

{ 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 254 mdoc_action_post(struct mdoc *m)

Line 257 mdoc_action_post(struct mdoc *m)

}

* 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)

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

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

if (NULL == n->next)

continue;

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

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

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

}

Line 273 concat(struct mdoc *m, const struct mdoc_node *n,

Line 282 concat(struct mdoc *m, const struct mdoc_node *n,

}

* 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)

{

Line 287 post_std(POST_ARGS)

Line 300 post_std(POST_ARGS)

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

return(0);

m->last = nn;

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, n->child, buf, sizeof(buf)))

return(0);

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

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

return(mdoc_nerr(m, n, 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 319 post_lb(POST_ARGS)

Line 337 post_lb(POST_ARGS)

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

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

if (NULL == p) {

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

if (p) {

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

buf = malloc(sz);

if (NULL == buf)

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

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

n->child->string);

free(n->child->string);

n->child->string = buf;

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

return(1);

}

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 = strdup(p);

n->child->string = buf;

if (NULL == n->child->string)

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

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)

{

Line 350 post_st(POST_ARGS)

Line 369 post_st(POST_ARGS)

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

assert(p);

free(n->child->string);

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

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

if (NULL == n->child->string)

return(mdoc_nerr(m, n, 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)

{

Line 369 post_at(POST_ARGS)

Line 390 post_at(POST_ARGS)

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

assert(p);

free(n->child->string);

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

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

if (NULL == n->child->string)

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

return(1);

}

nn = n;

m->next = MDOC_NEXT_CHILD;

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

return(0);

m->last = nn;

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];

* 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 != n->type)

return(1);

buf[0] = 0;

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

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

return(0);

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

sec = mdoc_atosec(buf);

if (SEC_CUSTOM != sec)

m->lastnamed = sec;

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

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

case (SEC_RETURN_VALUES):

/* FALLTHROUGH */

Line 429 post_sh(POST_ARGS)

Line 448 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)

{

Line 452 post_dt(POST_ARGS)

Line 475 post_dt(POST_ARGS)

if (NULL == (nn = n->child)) {

if (NULL == (m->meta.title = strdup("unknown")))

/* XXX: make these macro values. */

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

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

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

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

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

return(post_prol(m, n));

}

Line 463 post_dt(POST_ARGS)

Line 485 post_dt(POST_ARGS)

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

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

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

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

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

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

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

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

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

return(post_prol(m, n));

}

Line 481 post_dt(POST_ARGS)

Line 502 post_dt(POST_ARGS)

cp = mdoc_a2msec(nn->string);

if (cp) {

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

/* FIXME: where is strtonum!? */

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

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

errno = 0;

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

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

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

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

} else

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

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

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

return(post_prol(m, n));

Line 503 post_dt(POST_ARGS)

Line 524 post_dt(POST_ARGS)

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, n, EMALLOC));

} else {

cp = mdoc_a2arch(nn->string);

if (NULL == cp) {

free(m->meta.vol);

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

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

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

} else

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

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

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

}

/* Ignore any subsequent parameters... */

/* FIXME: warn about subsequent parameters. */

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

* Setting OSNAME to be the name of the target operating system,

* e.g., "OpenBSD 4.4", will result in the compile-time constant

* by supplied instead of the value in uname().

if (m->meta.os)

free(m->meta.os);

buf[0] = 0;

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

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

return(0);

if (0 == buf[0]) {

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

#ifdef OSNAME

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

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

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

#else

#else /*!OSNAME */

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

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

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

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

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

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

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

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

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

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

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

#endif

#endif /*!OSNAME*/

}

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

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

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

return(post_prol(m, n));

}

* 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(POST_ARGS)

{

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.

sz = 10; /* XXX: make this a macro value. */

nn = n->body->child;

if (nn) {

assert(MDOC_BLOCK == nn->type);

assert(MDOC_It == nn->tok);

nn = nn->head->child;

}

sz = 10; /* Default size. */

if (nn) {

if (MDOC_TEXT != nn->type) {

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

sz = mdoc_macro2len(nn->tok);

if (sz == 0) {

if ( ! mdoc_nwarn(m, n, ENOWIDTH))

return(0);

sz = 10;

}

} else

sz = (int)strlen(nn->string) + 1;

sz = strlen(nn->string) + 1;

}

if (-1 == snprintf(buf, sizeof(buf), "%dn", sz))

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

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

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

Line 609 post_bl_tagwidth(POST_ARGS)

Line 625 post_bl_tagwidth(POST_ARGS)

nn = n;

assert(nn->args);

sz = (int)(nn->args->argc)++;

i = (int)(nn->args->argc)++;

nn->args->argv = realloc(nn->args->argv,

nn->args->argv = mandoc_realloc(nn->args->argv,

nn->args->argc * sizeof(struct mdoc_argv));

if (NULL == nn->args->argv)

nn->args->argv[i].arg = MDOC_Width;

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

nn->args->argv[i].line = n->line;

nn->args->argv[i].pos = n->pos;

nn->args->argv[sz].arg = MDOC_Width;

nn->args->argv[i].sz = 1;

nn->args->argv[sz].line = n->line;

nn->args->argv[i].value = mandoc_malloc(sizeof(char *));

nn->args->argv[sz].pos = n->pos;

nn->args->argv[i].value[0] = mandoc_strdup(buf);

nn->args->argv[sz].sz = 1;

nn->args->argv[sz].value = calloc(1, sizeof(char *));

if (NULL == nn->args->argv[sz].value)

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

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

return(mdoc_nerr(m, n, 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(POST_ARGS)

{

size_t width;

int i, tok;

char buf[32];

char buf[NUMSIZ];

char *p;

if (NULL == n->args)

Line 657 post_bl_width(POST_ARGS)

Line 670 post_bl_width(POST_ARGS)

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

/* XXX: make into a macro. */

width = 6;

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

return(1);

Line 665 post_bl_width(POST_ARGS)

Line 679 post_bl_width(POST_ARGS)

/* 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, n, ENUMFMT));

free(n->args->argv[i].value[0]);

n->args->argv[i].value[0] = strdup(buf);

n->args->argv[i].value[0] = mandoc_strdup(buf);

if (NULL == n->args->argv[i].value[0])

return(mdoc_nerr(m, n, 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)

Line 694 post_bl_head(POST_ARGS)

Line 707 post_bl_head(POST_ARGS)

if (MDOC_Column == np->args->argv[c].arg)

break;

/* Only process -column. */

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

return(1);

assert(0 == np->args->argv[c].sz);

Line 708 post_bl_head(POST_ARGS)

Line 718 post_bl_head(POST_ARGS)

np->args->argv[c].sz = (size_t)n->nchild;

np->args->argv[c].value = malloc

np->args->argv[c].value = mandoc_malloc

((size_t)n->nchild * sizeof(char *));

for (i = 0, nn = n->child; nn; i++) {

Line 721 post_bl_head(POST_ARGS)

Line 731 post_bl_head(POST_ARGS)

n->nchild = 0;

n->child = NULL;

return(1);

}

Line 764 post_bl(POST_ARGS)

Line 773 post_bl(POST_ARGS)

}

* 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 *np;

Line 774 post_tilde(POST_ARGS)

Line 787 post_tilde(POST_ARGS)

np = n;

m->next = MDOC_NEXT_CHILD;

/* XXX: make into macro value. */

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)

{

Line 793 post_ar(POST_ARGS)

Line 809 post_ar(POST_ARGS)

np = n;

m->next = MDOC_NEXT_CHILD;

/* XXX: make into macro values. */

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

return(0);

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

return(0);

m->last = np;

return(1);

}

* Parse the date field in `Dd', primarily through mdoc_atotime().

* FIXME: push mdoc_atotime() into here.

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, n->child, buf, sizeof(buf)))

return(0);

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

m->meta.date = mdoc_atotime(buf);

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

if ( ! mdoc_nwarn(m, n, EBADDATE))

return(0);

m->meta.date = time(NULL);

Line 822 post_dd(POST_ARGS)

Line 842 post_dd(POST_ARGS)

}

* 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 *np;

/* Remove prologue macros from AST. */

if (n->parent->child == n)

n->parent->child = n->prev;

if (n->prev)

Line 854 post_prol(POST_ARGS)

Line 877 post_prol(POST_ARGS)

}

* Trigger a literal context.

static int

pre_dl(PRE_ARGS)

{

Line 882 pre_offset(PRE_ARGS)

Line 908 pre_offset(PRE_ARGS)

break;

assert(1 == n->args->refcnt);

/* If no value set, length of <string>. */

n->args->argv[i].value =

calloc(1, sizeof(char *));

if (NULL == n->args->argv[i].value)

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

n->args->argv[i].sz++;

n->args->argv[i].value[0] = strdup("8n");

n->args->argv[i].value = mandoc_malloc(sizeof(char *));

if (NULL == n->args->argv[i].value[0])

n->args->argv[i].value[0] = mandoc_strdup("8n");

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

break;

}

CVSweb