-/* $Id: mdoc_action.c,v 1.19 2009/06/22 12:38:07 kristaps Exp $ */
+/* $Id: mdoc_action.c,v 1.41 2009/09/25 13:03:25 kristaps Exp $ */
/*
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
*
#include "libmdoc.h"
-enum mwarn {
- WBADSEC,
- WNOWIDTH,
- WBADDATE
-};
-
-enum merr {
- ETOOLONG,
- EMALLOC,
- ENUMFMT
-};
-
+#define POST_ARGS struct mdoc *m, struct mdoc_node *n
#define PRE_ARGS struct mdoc *m, const struct mdoc_node *n
-#define POST_ARGS struct mdoc *m
struct actions {
int (*pre)(PRE_ARGS);
int (*post)(POST_ARGS);
};
-static int pwarn(struct mdoc *, int, int, enum mwarn);
-static int perr(struct mdoc *, int, int, enum merr);
-static int concat(struct mdoc *, const struct mdoc_node *,
+static int concat(struct mdoc *,
+ const struct mdoc_node *,
char *, size_t);
+static inline int order_rs(int);
+
+#ifdef __linux__
+extern size_t strlcat(char *, const char *, size_t);
+#endif
static int post_ar(POST_ARGS);
+static int post_at(POST_ARGS);
static int post_bl(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_width(POST_ARGS);
static int post_dd(POST_ARGS);
static int post_display(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_os(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);
-#define vwarn(m, t) pwarn((m), (m)->last->line, (m)->last->pos, (t))
-#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] = {
+static const struct actions mdoc_actions[MDOC_MAX] = {
{ NULL, NULL }, /* Ap */
{ NULL, post_dd }, /* Dd */
{ NULL, post_dt }, /* Dt */
{ 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 */
{ NULL, post_nm }, /* Nm */
{ NULL, NULL }, /* Op */
{ NULL, NULL }, /* Ot */
- { NULL, NULL }, /* Pa */
+ { NULL, post_tilde }, /* Pa */
{ NULL, post_std }, /* Rv */
- { NULL, NULL }, /* St */
+ { NULL, post_st }, /* St */
{ NULL, NULL }, /* Va */
{ NULL, NULL }, /* Vt */
{ NULL, NULL }, /* Xr */
{ NULL, NULL }, /* Ac */
{ NULL, NULL }, /* Ao */
{ NULL, NULL }, /* Aq */
- { NULL, NULL }, /* At */
+ { NULL, post_at }, /* At */
{ NULL, NULL }, /* Bc */
{ NULL, NULL }, /* Bf */
{ NULL, NULL }, /* Bo */
{ 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 */
{ NULL, NULL }, /* Hf */
{ NULL, NULL }, /* Fr */
{ NULL, NULL }, /* Ud */
- { NULL, NULL }, /* Lb */
+ { NULL, post_lb }, /* Lb */
{ NULL, NULL }, /* Lp */
- { NULL, post_lk }, /* Lk */
+ { NULL, post_tilde }, /* Lk */
{ NULL, NULL }, /* Mt */
{ NULL, NULL }, /* Brq */
{ NULL, NULL }, /* Bro */
{ NULL, NULL }, /* En */
{ NULL, NULL }, /* Dx */
{ NULL, NULL }, /* %Q */
+ { NULL, NULL }, /* br */
+ { NULL, NULL }, /* sp */
};
-
-#ifdef __linux__
-extern size_t strlcat(char *, const char *, size_t);
-#endif
+#define RSORD_MAX 13
+
+static const int rsord[RSORD_MAX] = {
+ MDOC__A,
+ MDOC__T,
+ MDOC__B,
+ MDOC__I,
+ MDOC__J,
+ MDOC__R,
+ MDOC__N,
+ MDOC__V,
+ MDOC__P,
+ MDOC__Q,
+ MDOC__D,
+ MDOC__O,
+ MDOC__C
+};
int
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));
}
for ( ; n; n = n->next) {
assert(MDOC_TEXT == n->type);
if (strlcat(buf, n->string, sz) >= sz)
- return(nerr(m, n, ETOOLONG));
+ return(mdoc_nerr(m, n, ETOOLONG));
if (NULL == n->next)
continue;
if (strlcat(buf, " ", sz) >= sz)
- return(nerr(m, n, ETOOLONG));
+ return(mdoc_nerr(m, n, ETOOLONG));
}
return(1);
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;
- switch (type) {
- case (ENUMFMT):
- p = "bad number format";
- break;
- case (ETOOLONG):
- p = "argument text too long";
- break;
- case (EMALLOC):
- p = "memory exhausted";
- break;
- }
- assert(p);
- return(mdoc_perr(m, line, pos, p));
+ if (n->child)
+ 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 = nn;
+
+ return(1);
}
static int
-pwarn(struct mdoc *m, int line, int pos, enum mwarn type)
+post_nm(POST_ARGS)
{
- char *p;
- int c;
-
- p = NULL;
- c = WARN_SYNTAX;
- switch (type) {
- case (WBADSEC):
- p = "inappropriate document section in manual section";
- c = WARN_COMPAT;
- 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));
+ char buf[64];
+
+ if (m->meta.name)
+ return(1);
+
+ buf[0] = 0;
+ if ( ! concat(m, n->child, buf, sizeof(buf)))
+ return(0);
+ if (NULL == (m->meta.name = strdup(buf)))
+ return(mdoc_nerr(m, n, EMALLOC));
+
+ return(1);
}
static int
-post_std(POST_ARGS)
+post_lb(POST_ARGS)
{
+ const char *p;
+ char *buf;
+ size_t sz;
+
+ assert(MDOC_TEXT == n->child->type);
+ p = mdoc_a2lib(n->child->string);
+ if (NULL == p) {
+ sz = strlen(n->child->string) +
+ 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;
+ return(1);
+ }
- /*
- * If '-std' is invoked without an argument, fill it in with our
- * name (if it's been set).
- */
+ free(n->child->string);
+ n->child->string = strdup(p);
+ if (NULL == n->child->string)
+ return(mdoc_nerr(m, n, EMALLOC));
- if (NULL == m->last->args)
- return(1);
- if (m->last->args->argv[0].sz)
- return(1);
+ return(1);
+}
- assert(m->meta.name);
- m->last->args->argv[0].value = calloc(1, sizeof(char *));
- if (NULL == m->last->args->argv[0].value)
- return(verr(m, EMALLOC));
+static int
+post_st(POST_ARGS)
+{
+ const char *p;
- 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(verr(m, EMALLOC));
+ assert(MDOC_TEXT == n->child->type);
+ p = mdoc_a2st(n->child->string);
+ assert(p);
+ free(n->child->string);
+ n->child->string = strdup(p);
+ if (NULL == n->child->string)
+ return(mdoc_nerr(m, n, EMALLOC));
return(1);
}
static int
-post_nm(POST_ARGS)
+post_at(POST_ARGS)
{
- char buf[64];
-
- if (m->meta.name)
+ struct mdoc_node *nn;
+ const char *p;
+
+ if (n->child) {
+ assert(MDOC_TEXT == n->child->type);
+ p = mdoc_a2att(n->child->string);
+ assert(p);
+ free(n->child->string);
+ n->child->string = strdup(p);
+ if (NULL == n->child->string)
+ return(mdoc_nerr(m, n, EMALLOC));
return(1);
+ }
- buf[0] = 0;
- if ( ! concat(m, m->last->child, buf, sizeof(buf)))
- return(0);
+ nn = n;
+ m->next = MDOC_NEXT_CHILD;
- if (NULL == (m->meta.name = strdup(buf)))
- return(verr(m, EMALLOC));
+ if ( ! mdoc_word_alloc(m, nn->line, nn->pos, "AT&T UNIX"))
+ return(0);
+ m->last = nn;
return(1);
}
* check ordering.
*/
- if (MDOC_HEAD != m->last->type)
+ if (MDOC_HEAD != n->type)
return(1);
buf[0] = 0;
- if ( ! concat(m, m->last->child, buf, sizeof(buf)))
+ if ( ! concat(m, n->child, buf, sizeof(buf)))
return(0);
if (SEC_CUSTOM != (sec = mdoc_atosec(buf)))
m->lastnamed = sec;
case (9):
break;
default:
- return(vwarn(m, WBADSEC));
+ return(mdoc_nwarn(m, n, EBADSEC));
}
break;
default:
static int
post_dt(POST_ARGS)
{
- struct mdoc_node *n;
+ struct mdoc_node *nn;
const char *cp;
char *ep;
long lval;
* --> 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")))
- return(verr(m, EMALLOC));
+ return(mdoc_nerr(m, n, EMALLOC));
if (NULL == (m->meta.vol = strdup("local")))
- return(verr(m, EMALLOC));
- return(post_prol(m));
+ return(mdoc_nerr(m, n, EMALLOC));
+ return(post_prol(m, n));
}
/* Handles: `.Dt TITLE'
* --> title = TITLE, volume = local, msec = 0, arch = NULL
*/
- if (NULL == (m->meta.title = strdup(n->string)))
- return(verr(m, EMALLOC));
+ if (NULL == (m->meta.title = strdup(nn->string)))
+ return(mdoc_nerr(m, n, EMALLOC));
- if (NULL == (n = n->next)) {
+ if (NULL == (nn = nn->next)) {
if (NULL == (m->meta.vol = strdup("local")))
- return(verr(m, EMALLOC));
- return(post_prol(m));
+ return(mdoc_nerr(m, n, EMALLOC));
+ return(post_prol(m, n));
}
/* Handles: `.Dt TITLE SEC'
* arch = NULL
*/
- cp = mdoc_a2msec(n->string);
+ cp = mdoc_a2msec(nn->string);
if (cp) {
if (NULL == (m->meta.vol = strdup(cp)))
- return(verr(m, EMALLOC));
+ return(mdoc_nerr(m, n, EMALLOC));
errno = 0;
- lval = strtol(n->string, &ep, 10);
- if (n->string[0] != '\0' && *ep == '\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(n->string)))
- return(verr(m, EMALLOC));
+ } else if (NULL == (m->meta.vol = strdup(nn->string)))
+ return(mdoc_nerr(m, n, EMALLOC));
- if (NULL == (n = n->next))
- return(post_prol(m));
+ if (NULL == (nn = nn->next))
+ return(post_prol(m, n));
/* Handles: `.Dt TITLE SEC VOL'
* --> title = TITLE, volume = VOL is vol ?
* VOL
*/
- cp = mdoc_a2vol(n->string);
+ cp = mdoc_a2vol(nn->string);
if (cp) {
free(m->meta.vol);
if (NULL == (m->meta.vol = strdup(cp)))
- return(verr(m, EMALLOC));
- n = n->next;
+ return(mdoc_nerr(m, n, EMALLOC));
} else {
- cp = mdoc_a2arch(n->string);
+ cp = mdoc_a2arch(nn->string);
if (NULL == cp) {
free(m->meta.vol);
- if (NULL == (m->meta.vol = strdup(n->string)))
- return(verr(m, EMALLOC));
+ if (NULL == (m->meta.vol = strdup(nn->string)))
+ return(mdoc_nerr(m, n, EMALLOC));
} else if (NULL == (m->meta.arch = strdup(cp)))
- return(verr(m, EMALLOC));
+ return(mdoc_nerr(m, n, EMALLOC));
}
/* Ignore any subsequent parameters... */
- return(post_prol(m));
+ return(post_prol(m, n));
}
free(m->meta.os);
buf[0] = 0;
- if ( ! concat(m, m->last->child, buf, sizeof(buf)))
+ if ( ! concat(m, n->child, buf, sizeof(buf)))
return(0);
if (0 == buf[0]) {
if (-1 == uname(&utsname))
- return(mdoc_err(m, "utsname"));
+ return(mdoc_nerr(m, n, EUTSNAME));
if (strlcat(buf, utsname.sysname, 64) >= 64)
- return(verr(m, ETOOLONG));
+ return(mdoc_nerr(m, n, ETOOLONG));
if (strlcat(buf, " ", 64) >= 64)
- return(verr(m, ETOOLONG));
+ return(mdoc_nerr(m, n, ETOOLONG));
if (strlcat(buf, utsname.release, 64) >= 64)
- return(verr(m, ETOOLONG));
+ return(mdoc_nerr(m, n, ETOOLONG));
}
if (NULL == (m->meta.os = strdup(buf)))
- return(verr(m, EMALLOC));
+ return(mdoc_nerr(m, n, EMALLOC));
- m->flags |= MDOC_PBODY;
- return(post_prol(m));
+ return(post_prol(m, n));
}
* Uses the first head macro.
*/
static int
-post_bl_tagwidth(struct mdoc *m)
+post_bl_tagwidth(POST_ARGS)
{
- struct mdoc_node *n;
+ struct mdoc_node *nn;
int sz;
char buf[32];
* width if a macro.
*/
- n = m->last->body->child;
- if (n) {
- assert(MDOC_BLOCK == n->type);
- assert(MDOC_It == n->tok);
- n = n->head->child;
+ 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 (n) {
- if (MDOC_TEXT != n->type) {
- if (0 == (sz = (int)mdoc_macro2len(n->tok)))
- if ( ! vwarn(m, WNOWIDTH))
+ if (nn) {
+ if (MDOC_TEXT != nn->type) {
+ if (0 == (sz = (int)mdoc_macro2len(nn->tok)))
+ if ( ! mdoc_nwarn(m, n, ENOWIDTH))
return(0);
} else
- sz = (int)strlen(n->string) + 1;
+ sz = (int)strlen(nn->string) + 1;
}
if (-1 == snprintf(buf, sizeof(buf), "%dn", sz))
- return(verr(m, ENUMFMT));
+ return(mdoc_nerr(m, n, 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;
- assert(n->args);
- sz = (int)(n->args->argc)++;
+ nn = n;
+ assert(nn->args);
+ sz = (int)(nn->args->argc)++;
- n->args->argv = realloc(n->args->argv,
- n->args->argc * sizeof(struct mdoc_argv));
+ nn->args->argv = realloc(nn->args->argv,
+ nn->args->argc * sizeof(struct mdoc_argv));
- if (NULL == n->args->argv)
- return(verr(m, EMALLOC));
+ if (NULL == nn->args->argv)
+ return(mdoc_nerr(m, n, EMALLOC));
- n->args->argv[sz].arg = MDOC_Width;
- n->args->argv[sz].line = m->last->line;
- n->args->argv[sz].pos = m->last->pos;
- n->args->argv[sz].sz = 1;
- n->args->argv[sz].value = calloc(1, sizeof(char *));
+ nn->args->argv[sz].arg = MDOC_Width;
+ nn->args->argv[sz].line = n->line;
+ nn->args->argv[sz].pos = n->pos;
+ nn->args->argv[sz].sz = 1;
+ nn->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));
+ 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);
}
static int
-post_bl_width(struct mdoc *m)
+post_bl_width(POST_ARGS)
{
size_t width;
int i, tok;
char buf[32];
char *p;
- if (NULL == m->last->args)
+ if (NULL == n->args)
return(1);
- for (i = 0; i < (int)m->last->args->argc; i++)
- if (MDOC_Width == m->last->args->argv[i].arg)
+ for (i = 0; i < (int)n->args->argc; i++)
+ 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
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(vwarn(m, WNOWIDTH));
+ return(mdoc_nwarn(m, n, ENOWIDTH));
/* The value already exists: free and reallocate it. */
if (-1 == snprintf(buf, sizeof(buf), "%zun", width))
- return(verr(m, ENUMFMT));
+ return(mdoc_nerr(m, n, ENUMFMT));
- 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));
+ free(n->args->argv[i].value[0]);
+ n->args->argv[i].value[0] = strdup(buf);
+ if (NULL == n->args->argv[i].value[0])
+ return(mdoc_nerr(m, n, EMALLOC));
return(1);
}
+/* 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;
- assert(n->args);
+ np = n->parent;
+ assert(np->args);
- for (c = 0; c < (int)n->args->argc; c++)
- if (MDOC_Column == n->args->argv[c].arg)
+ for (c = 0; c < (int)np->args->argc; c++)
+ if (MDOC_Column == np->args->argv[c].arg)
break;
/* Only process -column. */
- if (c == (int)n->args->argc)
+ if (c == (int)np->args->argc)
return(1);
- assert(0 == n->args->argv[c].sz);
+ assert(0 == np->args->argv[c].sz);
/*
* Accomodate for new-style groff column syntax. Shuffle the
* column field. Then, delete the head children.
*/
- n->args->argv[c].sz = (size_t)m->last->nchild;
- n->args->argv[c].value = malloc
- ((size_t)m->last->nchild * sizeof(char *));
+ np->args->argv[c].sz = (size_t)n->nchild;
+ np->args->argv[c].value = malloc
+ ((size_t)n->nchild * sizeof(char *));
- for (i = 0, nn = m->last->child; nn; i++) {
- n->args->argv[c].value[i] = nn->string;
+ for (i = 0, nn = n->child; nn; i++) {
+ np->args->argv[c].value[i] = nn->string;
nn->string = NULL;
nnp = nn;
nn = nn->next;
mdoc_node_free(nnp);
}
- m->last->nchild = 0;
- m->last->child = NULL;
+ n->nchild = 0;
+ n->child = NULL;
return(1);
}
{
int i, r, len;
- if (MDOC_HEAD == m->last->type)
- return(post_bl_head(m));
- if (MDOC_BLOCK != m->last->type)
+ if (MDOC_HEAD == n->type)
+ return(post_bl_head(m, n));
+ if (MDOC_BLOCK != n->type)
return(1);
/*
* 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);
static int
-post_lk(POST_ARGS)
+post_tilde(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;
- /* FIXME: this isn't documented anywhere! */
- if ( ! mdoc_word_alloc(m, m->last->line,
- m->last->pos, "~"))
+
+ /* XXX: not documented for `Lk'. */
+ if ( ! mdoc_word_alloc(m, n->line, n->pos, "~"))
return(0);
+ m->last = np;
- m->last = n;
- m->next = MDOC_NEXT_SIBLING;
return(1);
}
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"))
+ if ( ! mdoc_word_alloc(m, n->line, n->pos, "file"))
return(0);
- m->next = MDOC_NEXT_SIBLING;
- if ( ! mdoc_word_alloc(m, m->last->line,
- m->last->pos, "..."))
+ if ( ! mdoc_word_alloc(m, n->line, n->pos, "..."))
return(0);
+ m->last = np;
- m->last = n;
- m->next = MDOC_NEXT_SIBLING;
return(1);
}
char buf[64];
buf[0] = 0;
- if ( ! concat(m, m->last->child, buf, sizeof(buf)))
+ if ( ! concat(m, n->child, buf, sizeof(buf)))
return(0);
if (0 == (m->meta.date = mdoc_atotime(buf))) {
- if ( ! vwarn(m, WBADDATE))
+ if ( ! mdoc_nwarn(m, n, EBADDATE))
return(0);
m->meta.date = time(NULL);
}
- return(post_prol(m));
+ return(post_prol(m, n));
}
static int
post_prol(POST_ARGS)
{
- struct mdoc_node *n;
+ struct mdoc_node *np;
- /*
- * The end document shouldn't have the prologue macros as part
- * of the syntax tree (they encompass only meta-data).
- */
+ /* Remove prologue macros from AST. */
- if (m->last->parent->child == m->last)
- m->last->parent->child = m->last->prev;
- if (m->last->prev)
- m->last->prev->next = NULL;
+ if (n->parent->child == n)
+ n->parent->child = n->prev;
+ if (n->prev)
+ n->prev->next = NULL;
- n = m->last;
- assert(NULL == m->last->next);
+ np = n;
+ assert(NULL == n->next);
- if (m->last->prev) {
- m->last = m->last->prev;
+ if (n->prev) {
+ m->last = n->prev;
m->next = MDOC_NEXT_SIBLING;
} else {
- m->last = m->last->parent;
+ m->last = n->parent;
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);
}
}
+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].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");
+ if (NULL == n->args->argv[i].value[0])
+ return(mdoc_nerr(m, n, EMALLOC));
+ 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)
{
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'. */
+ /* Enter literal context if `Bd -literal' or `-unfilled'. */
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;
-
- if (i < (int)n->args->argc)
- m->flags |= MDOC_LITERAL;
+ m->flags |= MDOC_LITERAL;
return(1);
}
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(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);
+}
git.ckatri.com / mandoc.git / blobdiff