-/* $Id: action.c,v 1.4 2009/01/08 15:05:50 kristaps Exp $ */
+/* $Id: action.c,v 1.34 2009/03/08 12:40:27 kristaps Exp $ */
/*
* Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se>
*
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
+#include <sys/utsname.h>
+
#include <assert.h>
+#include <errno.h>
+#include <stdio.h>
#include <stdlib.h>
+#include <string.h>
+#include <time.h>
#include "private.h"
-typedef int (*a_pre)(struct mdoc *, struct mdoc_node *);
-typedef int (*a_post)(struct mdoc *);
-
+/*
+ * Actions are executed on macros after they've been post-validated: in
+ * other words, a macro will not be "acted upon" until all of its
+ * children have been filled in (post-fix order).
+ */
-struct actions {
- a_pre pre;
- a_post post;
+enum merr {
+ ENOWIDTH
};
+enum mwarn {
+ WBADSEC,
+ WNOWIDTH,
+ WBADDATE
+};
-static int post_sh(struct mdoc *);
-static int post_os(struct mdoc *);
-static int post_dt(struct mdoc *);
-static int post_dd(struct mdoc *);
+struct actions {
+ int (*post)(struct mdoc *);
+};
+static int nwarn(struct mdoc *,
+ const struct mdoc_node *, enum mwarn);
+static int nerr(struct mdoc *,
+ const struct mdoc_node *, enum merr);
+static int post_ar(struct mdoc *);
+static int post_bl(struct mdoc *);
+static int post_bl_width(struct mdoc *);
+static int post_bl_tagwidth(struct mdoc *);
+static int post_dd(struct mdoc *);
+static int post_dt(struct mdoc *);
+static int post_nm(struct mdoc *);
+static int post_os(struct mdoc *);
+static int post_sh(struct mdoc *);
+static int post_ex(struct mdoc *);
+static int post_prologue(struct mdoc *);
const struct actions mdoc_actions[MDOC_MAX] = {
- { NULL, NULL }, /* \" */
- { NULL, post_dd }, /* Dd */
- { NULL, post_dt }, /* Dt */
- { NULL, post_os }, /* Os */
- { NULL, post_sh }, /* Sh */
- { NULL, NULL }, /* Ss */
- { NULL, NULL }, /* Pp */
- { NULL, NULL }, /* D1 */
- { NULL, NULL }, /* Dl */
- { NULL, NULL }, /* Bd */
- { NULL, NULL }, /* Ed */
- { NULL, NULL }, /* Bl */
- { NULL, NULL }, /* El */
- { NULL, NULL }, /* It */
- { NULL, NULL }, /* Ad */
- { NULL, NULL }, /* An */
- { NULL, NULL }, /* Ar */
- { NULL, NULL }, /* Cd */
- { NULL, NULL }, /* Cm */
- { NULL, NULL }, /* Dv */
- { NULL, NULL }, /* Er */
- { NULL, NULL }, /* Ev */
- { NULL, NULL }, /* Ex */
- { NULL, NULL }, /* Fa */
- { NULL, NULL }, /* Fd */
- { NULL, NULL }, /* Fl */
- { NULL, NULL }, /* Fn */
- { NULL, NULL }, /* Ft */
- { NULL, NULL }, /* Ic */
- { NULL, NULL }, /* In */
- { NULL, NULL }, /* Li */
- { NULL, NULL }, /* Nd */
- { NULL, NULL }, /* Nm */
- { NULL, NULL }, /* Op */
- { NULL, NULL }, /* Ot */
- { NULL, NULL }, /* Pa */
- { NULL, NULL }, /* Rv */
- { NULL, NULL }, /* St */
- { NULL, NULL }, /* Va */
- { NULL, NULL }, /* Vt */
- { NULL, NULL }, /* Xr */
- { NULL, NULL }, /* %A */
- { NULL, NULL }, /* %B */
- { NULL, NULL }, /* %D */
- { NULL, NULL }, /* %I */
- { NULL, NULL }, /* %J */
- { NULL, NULL }, /* %N */
- { NULL, NULL }, /* %O */
- { NULL, NULL }, /* %P */
- { NULL, NULL }, /* %R */
- { NULL, NULL }, /* %T */
- { NULL, NULL }, /* %V */
- { NULL, NULL }, /* Ac */
- { NULL, NULL }, /* Ao */
- { NULL, NULL }, /* Aq */
- { NULL, NULL }, /* At */
- { NULL, NULL }, /* Bc */
- { NULL, NULL }, /* Bf */
- { NULL, NULL }, /* Bo */
- { NULL, NULL }, /* Bq */
- { NULL, NULL }, /* Bsx */
- { NULL, NULL }, /* Bx */
- { NULL, NULL }, /* Db */
- { NULL, NULL }, /* Dc */
- { NULL, NULL }, /* Do */
- { NULL, NULL }, /* Dq */
- { NULL, NULL }, /* Ec */
- { NULL, NULL }, /* Ef */
- { NULL, NULL }, /* Em */
- { NULL, NULL }, /* Eo */
- { NULL, NULL }, /* Fx */
- { NULL, NULL }, /* Ms */
- { NULL, NULL }, /* No */
- { NULL, NULL }, /* Ns */
- { NULL, NULL }, /* Nx */
- { NULL, NULL }, /* Ox */
- { NULL, NULL }, /* Pc */
- { NULL, NULL }, /* Pf */
- { NULL, NULL }, /* Po */
- { NULL, NULL }, /* Pq */
- { NULL, NULL }, /* Qc */
- { NULL, NULL }, /* Ql */
- { NULL, NULL }, /* Qo */
- { NULL, NULL }, /* Qq */
- { NULL, NULL }, /* Re */
- { NULL, NULL }, /* Rs */
- { NULL, NULL }, /* Sc */
- { NULL, NULL }, /* So */
- { NULL, NULL }, /* Sq */
- { NULL, NULL }, /* Sm */
- { NULL, NULL }, /* Sx */
- { NULL, NULL }, /* Sy */
- { NULL, NULL }, /* Tn */
- { NULL, NULL }, /* Ux */
- { NULL, NULL }, /* Xc */
- { NULL, NULL }, /* Xo */
- { NULL, NULL }, /* Fo */
- { NULL, NULL }, /* Fc */
- { NULL, NULL }, /* Oo */
- { NULL, NULL }, /* Oc */
- { NULL, NULL }, /* Bk */
- { NULL, NULL }, /* Ek */
- { NULL, NULL }, /* Bt */
- { NULL, NULL }, /* Hf */
- { NULL, NULL }, /* Fr */
- { NULL, NULL }, /* Ud */
+ { NULL }, /* \" */
+ { post_dd }, /* Dd */
+ { post_dt }, /* Dt */
+ { post_os }, /* Os */
+ { post_sh }, /* Sh */
+ { NULL }, /* Ss */
+ { NULL }, /* Pp */
+ { NULL }, /* D1 */
+ { NULL }, /* Dl */
+ { NULL }, /* Bd */
+ { NULL }, /* Ed */
+ { post_bl }, /* Bl */
+ { NULL }, /* El */
+ { NULL }, /* It */
+ { NULL }, /* Ad */
+ { NULL }, /* An */
+ { post_ar }, /* Ar */
+ { NULL }, /* Cd */
+ { NULL }, /* Cm */
+ { NULL }, /* Dv */
+ { NULL }, /* Er */
+ { NULL }, /* Ev */
+ { post_ex }, /* Ex */
+ { NULL }, /* Fa */
+ { NULL }, /* Fd */
+ { NULL }, /* Fl */
+ { NULL }, /* Fn */
+ { NULL }, /* Ft */
+ { NULL }, /* Ic */
+ { NULL }, /* In */
+ { NULL }, /* Li */
+ { NULL }, /* Nd */
+ { post_nm }, /* Nm */
+ { NULL }, /* Op */
+ { NULL }, /* Ot */
+ { NULL }, /* Pa */
+ { NULL }, /* Rv */
+ { NULL }, /* St */
+ { NULL }, /* Va */
+ { NULL }, /* Vt */
+ { NULL }, /* Xr */
+ { NULL }, /* %A */
+ { NULL }, /* %B */
+ { NULL }, /* %D */
+ { NULL }, /* %I */
+ { NULL }, /* %J */
+ { NULL }, /* %N */
+ { NULL }, /* %O */
+ { NULL }, /* %P */
+ { NULL }, /* %R */
+ { NULL }, /* %T */
+ { NULL }, /* %V */
+ { NULL }, /* Ac */
+ { NULL }, /* Ao */
+ { NULL }, /* Aq */
+ { NULL }, /* At */
+ { NULL }, /* Bc */
+ { NULL }, /* Bf */
+ { NULL }, /* Bo */
+ { NULL }, /* Bq */
+ { NULL }, /* Bsx */
+ { NULL }, /* Bx */
+ { NULL }, /* Db */
+ { NULL }, /* Dc */
+ { NULL }, /* Do */
+ { NULL }, /* Dq */
+ { NULL }, /* Ec */
+ { NULL }, /* Ef */
+ { NULL }, /* Em */
+ { NULL }, /* Eo */
+ { NULL }, /* Fx */
+ { NULL }, /* Ms */
+ { NULL }, /* No */
+ { NULL }, /* Ns */
+ { NULL }, /* Nx */
+ { NULL }, /* Ox */
+ { NULL }, /* Pc */
+ { NULL }, /* Pf */
+ { NULL }, /* Po */
+ { NULL }, /* Pq */
+ { NULL }, /* Qc */
+ { NULL }, /* Ql */
+ { NULL }, /* Qo */
+ { NULL }, /* Qq */
+ { NULL }, /* Re */
+ { NULL }, /* Rs */
+ { NULL }, /* Sc */
+ { NULL }, /* So */
+ { NULL }, /* Sq */
+ { NULL }, /* Sm */
+ { NULL }, /* Sx */
+ { NULL }, /* Sy */
+ { NULL }, /* Tn */
+ { NULL }, /* Ux */
+ { NULL }, /* Xc */
+ { NULL }, /* Xo */
+ { NULL }, /* Fo */
+ { NULL }, /* Fc */
+ { NULL }, /* Oo */
+ { NULL }, /* Oc */
+ { NULL }, /* Bk */
+ { NULL }, /* Ek */
+ { NULL }, /* Bt */
+ { NULL }, /* Hf */
+ { NULL }, /* Fr */
+ { NULL }, /* Ud */
+ { NULL }, /* Lb */
};
+#define merr(m, t) nerr((m), (m)->last, (t))
static int
-post_sh(struct mdoc *mdoc)
+nerr(struct mdoc *m, const struct mdoc_node *n, enum merr type)
{
- enum mdoc_sec sec;
- int i;
- struct mdoc_node *n;
- char *args[MDOC_LINEARG_MAX];
+ char *p;
- if (MDOC_HEAD != mdoc->last->type)
- return(1);
-
- assert(MDOC_Sh == mdoc->last->data.head.tok);
+ p = NULL;
+
+ switch (type) {
+ case (ENOWIDTH):
+ p = "missing width argument";
+ break;
+ }
+
+ assert(p);
+ return(mdoc_nerr(m, n, p));
+}
+
+
+#define mwarn(m, t) nwarn((m), (m)->last, (t))
+static int
+nwarn(struct mdoc *m, const struct mdoc_node *n, enum mwarn type)
+{
+ char *p;
+ int c;
- n = mdoc->last->child;
- assert(n);
+ p = NULL;
+ c = WARN_SYNTAX;
- for (i = 0; n && i < MDOC_LINEARG_MAX; n = n->next, i++) {
- assert(MDOC_TEXT == n->type);
- assert(NULL == n->child);
- assert(n->data.text.string);
- args[i] = n->data.text.string;
+ 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;
}
- sec = mdoc_atosec((size_t)i, (const char **)args);
- if (SEC_CUSTOM != sec)
- mdoc->sec_lastn = sec;
- mdoc->sec_last = sec;
+ assert(p);
+ return(mdoc_nwarn(m, n, c, p));
+}
+
+
+static int
+post_ex(struct mdoc *mdoc)
+{
+
+ /*
+ * If `.Ex -std' is invoked without an argument, fill it in with
+ * our name (if it's been set).
+ */
+
+ if (NULL == mdoc->last->args)
+ return(1);
+ if (mdoc->last->args->argv[0].sz)
+ return(1);
+
+ assert(mdoc->meta.name);
+ mdoc_msg(mdoc, "writing %s argument: %s",
+ mdoc_argnames[MDOC_Std],
+ mdoc->meta.name);
+
+ assert(1 == mdoc->last->args->argv[0].sz);
+
+ mdoc->last->args->argv[0].sz = 1;
+ mdoc->last->args->argv[0].value = xcalloc(1, sizeof(char *));
+ mdoc->last->args->argv[0].value[0] = xstrdup(mdoc->meta.name);
return(1);
}
static int
-post_dt(struct mdoc *mdoc)
+post_nm(struct mdoc *mdoc)
{
-#if 0
- int lastarg, j;
- char *args[MDOC_LINEARG_MAX];
-
- if (SEC_PROLOGUE != mdoc->sec_lastn)
- return(mdoc_err(mdoc, tok, ppos, ERR_SEC_NPROLOGUE));
- if (0 == mdoc->meta.date)
- return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE_OO));
- if (mdoc->meta.title[0])
- return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE_REP));
-
- j = -1;
- lastarg = ppos;
-
-again:
- if (j == MDOC_LINEARG_MAX)
- return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY));
-
- lastarg = *pos;
-
- switch (mdoc_args(mdoc, tok, pos, buf, 0, &args[++j])) {
- case (ARGS_EOLN):
- if (mdoc->meta.title)
- return(1);
- if ( ! mdoc_warn(mdoc, tok, ppos, WARN_ARGS_GE1))
- return(0);
- (void)xstrlcpy(mdoc->meta.title,
- "UNTITLED", META_TITLE_SZ);
+ char buf[64];
+
+ if (mdoc->meta.name)
return(1);
- case (ARGS_ERROR):
- return(0);
+
+ (void)xstrlcpys(buf, mdoc->last->child, sizeof(buf));
+ mdoc->meta.name = xstrdup(buf);
+ mdoc_msg(mdoc, "name: %s", mdoc->meta.name);
+
+ return(1);
+}
+
+
+static int
+post_sh(struct mdoc *mdoc)
+{
+ enum mdoc_sec sec;
+ char buf[64];
+
+ /*
+ * 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 != mdoc->last->type)
+ return(1);
+
+ (void)xstrlcpys(buf, mdoc->last->child, sizeof(buf));
+ if (SEC_CUSTOM != (sec = mdoc_atosec(buf)))
+ mdoc->lastnamed = sec;
+
+ mdoc->lastsec = sec;
+
+ switch (mdoc->lastsec) {
+ case (SEC_RETURN_VALUES):
+ /* FALLTHROUGH */
+ case (SEC_ERRORS):
+ switch (mdoc->meta.msec) {
+ case (2):
+ /* FALLTHROUGH */
+ case (3):
+ /* FALLTHROUGH */
+ case (9):
+ break;
+ default:
+ return(mwarn(mdoc, WBADSEC));
+ }
+ break;
default:
break;
}
+ return(1);
+}
- if (0 == j) {
- if (xstrlcpy(mdoc->meta.title, args[0], META_TITLE_SZ))
- goto again;
- return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGFORM));
-
- } else if (1 == j) {
- mdoc->meta.msec = mdoc_atomsec(args[1]);
- if (MSEC_DEFAULT != mdoc->meta.msec)
- goto again;
- return(mdoc_err(mdoc, tok, -1, ERR_SYNTAX_ARGFORM));
-
- } else if (2 == j) {
- mdoc->meta.vol = mdoc_atovol(args[2]);
- if (VOL_DEFAULT != mdoc->meta.vol)
- goto again;
- mdoc->meta.arch = mdoc_atoarch(args[2]);
- if (ARCH_DEFAULT != mdoc->meta.arch)
- goto again;
- return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGFORM));
+
+static int
+post_dt(struct mdoc *mdoc)
+{
+ struct mdoc_node *n;
+ const char *cp;
+ char *ep;
+ long lval;
+
+ if (mdoc->meta.title)
+ free(mdoc->meta.title);
+ if (mdoc->meta.vol)
+ free(mdoc->meta.vol);
+ if (mdoc->meta.arch)
+ free(mdoc->meta.arch);
+
+ mdoc->meta.title = mdoc->meta.vol = mdoc->meta.arch = NULL;
+ mdoc->meta.msec = 0;
+
+ /* Handles: `.Dt'
+ * --> title = unknown, volume = local, msec = 0, arch = NULL
+ */
+
+ if (NULL == (n = mdoc->last->child)) {
+ mdoc->meta.title = xstrdup("unknown");
+ mdoc->meta.vol = xstrdup("local");
+ mdoc_msg(mdoc, "title: %s", mdoc->meta.title);
+ mdoc_msg(mdoc, "volume: %s", mdoc->meta.vol);
+ mdoc_msg(mdoc, "arch: <unset>");
+ mdoc_msg(mdoc, "msec: <unset>");
+ return(post_prologue(mdoc));
}
- return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY));
-#endif
- return(1);
+ /* Handles: `.Dt TITLE'
+ * --> title = TITLE, volume = local, msec = 0, arch = NULL
+ */
+
+ mdoc->meta.title = xstrdup(n->string);
+ mdoc_msg(mdoc, "title: %s", mdoc->meta.title);
+
+ if (NULL == (n = n->next)) {
+ mdoc->meta.vol = xstrdup("local");
+ mdoc_msg(mdoc, "volume: %s", mdoc->meta.vol);
+ mdoc_msg(mdoc, "arch: <unset>");
+ mdoc_msg(mdoc, "msec: %d", mdoc->meta.msec);
+ return(post_prologue(mdoc));
+ }
+
+ /* Handles: `.Dt TITLE SEC'
+ * --> title = TITLE, volume = SEC is msec ?
+ * format(msec) : SEC,
+ * msec = SEC is msec ? atoi(msec) : 0,
+ * arch = NULL
+ */
+
+ if ((cp = mdoc_a2msec(n->string))) {
+ mdoc->meta.vol = xstrdup(cp);
+ errno = 0;
+ lval = strtol(n->string, &ep, 10);
+ if (n->string[0] != '\0' && *ep == '\0')
+ mdoc->meta.msec = (int)lval;
+ } else
+ mdoc->meta.vol = xstrdup(n->string);
+
+ if (NULL == (n = n->next)) {
+ mdoc_msg(mdoc, "volume: %s", mdoc->meta.vol);
+ mdoc_msg(mdoc, "arch: <unset>");
+ mdoc_msg(mdoc, "msec: %d", mdoc->meta.msec);
+ return(post_prologue(mdoc));
+ }
+
+ /* Handles: `.Dt TITLE SEC VOL'
+ * --> title = TITLE, volume = VOL is vol ?
+ * format(VOL) :
+ * VOL is arch ? format(arch) :
+ * VOL
+ */
+
+ if ((cp = mdoc_a2vol(n->string))) {
+ free(mdoc->meta.vol);
+ mdoc->meta.vol = xstrdup(cp);
+ n = n->next;
+ } else {
+ cp = mdoc_a2arch(n->string);
+ if (NULL == cp) {
+ free(mdoc->meta.vol);
+ mdoc->meta.vol = xstrdup(n->string);
+ } else
+ mdoc->meta.arch = xstrdup(cp);
+ }
+
+ mdoc_msg(mdoc, "volume: %s", mdoc->meta.vol);
+ mdoc_msg(mdoc, "arch: %s", mdoc->meta.arch ?
+ mdoc->meta.arch : "<unset>");
+ mdoc_msg(mdoc, "msec: %d", mdoc->meta.msec);
+
+ /* Ignore any subsequent parameters... */
+
+ return(post_prologue(mdoc));
}
static int
post_os(struct mdoc *mdoc)
{
-#if 0
- int lastarg, j;
- char *args[MDOC_LINEARG_MAX];
+ char buf[64];
+ struct utsname utsname;
- /* FIXME: if we use `Os' again... ? */
+ if (mdoc->meta.os)
+ free(mdoc->meta.os);
- if (SEC_PROLOGUE != mdoc->sec_lastn)
- return(mdoc_err(mdoc, tok, ppos, ERR_SEC_NPROLOGUE));
- if (0 == mdoc->meta.title[0])
- return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE_OO));
- if (mdoc->meta.os[0])
- return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE_REP));
+ (void)xstrlcpys(buf, mdoc->last->child, sizeof(buf));
- j = -1;
- lastarg = ppos;
+ if (0 == buf[0]) {
+ if (-1 == uname(&utsname))
+ return(mdoc_err(mdoc, "utsname"));
+ (void)xstrlcpy(buf, utsname.sysname, sizeof(buf));
+ (void)xstrlcat(buf, " ", sizeof(buf));
+ (void)xstrlcat(buf, utsname.release, sizeof(buf));
+ }
+
+ mdoc->meta.os = xstrdup(buf);
+ mdoc_msg(mdoc, "system: %s", mdoc->meta.os);
-again:
- if (j == MDOC_LINEARG_MAX)
- return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY));
+ mdoc->lastnamed = mdoc->lastsec = SEC_BODY;
- lastarg = *pos;
+ return(post_prologue(mdoc));
+}
- switch (mdoc_args(mdoc, tok, pos, buf,
- ARGS_QUOTED, &args[++j])) {
- case (ARGS_EOLN):
- mdoc->sec_lastn = mdoc->sec_last = SEC_BODY;
+
+static int
+post_bl_tagwidth(struct mdoc *mdoc)
+{
+ struct mdoc_node *n;
+ int sz;
+ char buf[32];
+
+ /*
+ * If -tag has been specified and -width has not been, then try
+ * to intuit our width from the first body element.
+ */
+
+ if (NULL == (n = mdoc->last->body->child))
return(1);
- case (ARGS_ERROR):
- return(0);
- default:
- break;
+
+ /*
+ * Use the text width, if a text node, or the default macro
+ * width if a macro.
+ */
+
+ if ((n = n->head->child)) {
+ if (MDOC_TEXT != n->type) {
+ if (0 == (sz = (int)mdoc_macro2len(n->tok)))
+ sz = -1;
+ } else
+ sz = (int)strlen(n->string) + 1;
+ } else
+ sz = -1;
+
+ if (-1 == sz) {
+ if ( ! mwarn(mdoc, WNOWIDTH))
+ return(0);
+ sz = 10;
+ }
+
+ (void)snprintf(buf, sizeof(buf), "%dn", sz);
+
+ /*
+ * We have to dynamically add this to the macro's argument list.
+ * We're guaranteed that a MDOC_Width doesn't already exist.
+ */
+
+ if (NULL == mdoc->last->args) {
+ mdoc->last->args = xcalloc
+ (1, sizeof(struct mdoc_arg));
+ mdoc->last->args->refcnt = 1;
}
+
+ n = mdoc->last;
+ sz = (int)n->args->argc;
- if ( ! xstrlcat(mdoc->meta.os, args[j], sizeof(mdoc->meta.os)))
- return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGFORM));
- if ( ! xstrlcat(mdoc->meta.os, " ", sizeof(mdoc->meta.os)))
- return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGFORM));
-
- goto again;
- /* NOTREACHED */
-#endif
+ (n->args->argc)++;
+
+ n->args->argv = xrealloc(n->args->argv,
+ n->args->argc * sizeof(struct mdoc_arg));
+
+ n->args->argv[sz - 1].arg = MDOC_Width;
+ n->args->argv[sz - 1].line = mdoc->last->line;
+ n->args->argv[sz - 1].pos = mdoc->last->pos;
+ n->args->argv[sz - 1].sz = 1;
+ n->args->argv[sz - 1].value = xcalloc(1, sizeof(char *));
+ n->args->argv[sz - 1].value[0] = xstrdup(buf);
+
+ mdoc_msg(mdoc, "adding %s argument: %s",
+ mdoc_argnames[MDOC_Width], buf);
+
return(1);
}
static int
-post_dd(struct mdoc *mdoc)
+post_bl_width(struct mdoc *m)
{
-#if 0
- int lastarg, j;
- char *args[MDOC_LINEARG_MAX], date[64];
-
- if (SEC_PROLOGUE != mdoc->sec_lastn)
- return(mdoc_err(mdoc, tok, ppos, ERR_SEC_NPROLOGUE));
- if (mdoc->meta.title[0])
- return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE_OO));
- if (mdoc->meta.date)
- return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE_REP));
-
- j = -1;
- date[0] = 0;
- lastarg = ppos;
-
-again:
- if (j == MDOC_LINEARG_MAX)
- return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY));
-
- lastarg = *pos;
- switch (mdoc_args(mdoc, tok, pos, buf, 0, &args[++j])) {
- case (ARGS_EOLN):
- if (mdoc->meta.date)
- return(1);
- mdoc->meta.date = mdoc_atotime(date);
- if (mdoc->meta.date)
- return(1);
- return(mdoc_err(mdoc, tok, ppos, ERR_SYNTAX_ARGFORM));
- case (ARGS_ERROR):
- return(0);
- default:
- break;
+ size_t width;
+ int i, tok;
+ char buf[32];
+ char *p;
+
+ if (NULL == m->last->args)
+ return(merr(m, ENOWIDTH));
+
+ for (i = 0; i < (int)m->last->args->argc; i++)
+ if (MDOC_Width == m->last->args->argv[i].arg)
+ break;
+
+ if (i == (int)m->last->args->argc)
+ return(merr(m, ENOWIDTH));
+
+ p = m->last->args->argv[i].value[0];
+
+ /*
+ * If the value to -width is a macro, then we re-write it to be
+ * the macro's width as set in share/tmac/mdoc/doc-common.
+ */
+
+ if (xstrcmp(p, "Ds"))
+ width = 8;
+ else if (MDOC_MAX == (tok = mdoc_tokhash_find(m->htab, p)))
+ return(1);
+ else if (0 == (width = mdoc_macro2len(tok)))
+ return(mwarn(m, WNOWIDTH));
+
+ mdoc_msg(m, "re-writing %s argument: %s -> %zun",
+ mdoc_argnames[MDOC_Width], p, width);
+
+ /* The value already exists: free and reallocate it. */
+
+ (void)snprintf(buf, sizeof(buf), "%zun", width);
+
+ free(m->last->args->argv[i].value[0]);
+ m->last->args->argv[i].value[0] = xstrdup(buf);
+
+ return(1);
+}
+
+
+static int
+post_bl(struct mdoc *mdoc)
+{
+ int i, r, len;
+
+ if (MDOC_BLOCK != mdoc->last->type)
+ return(1);
+
+ /*
+ * These are fairly complicated, so we've broken them into two
+ * functions. post_bl_tagwidth() is called when a -tag is
+ * specified, but no -width (it must be guessed). The second
+ * when a -width is specified (macro indicators must be
+ * rewritten into real lengths).
+ */
+
+ len = (int)(mdoc->last->args ? mdoc->last->args->argc : 0);
+
+ for (r = i = 0; i < len; i++) {
+ if (MDOC_Tag == mdoc->last->args->argv[i].arg)
+ r |= 1 << 0;
+ if (MDOC_Width == mdoc->last->args->argv[i].arg)
+ r |= 1 << 1;
}
+
+ if (r & (1 << 0) && ! (r & (1 << 1))) {
+ if ( ! post_bl_tagwidth(mdoc))
+ return(0);
+ } else if (r & (1 << 1))
+ if ( ! post_bl_width(mdoc))
+ return(0);
+
+ return(1);
+}
+
+
+static int
+post_ar(struct mdoc *mdoc)
+{
+ struct mdoc_node *n;
+
+ if (mdoc->last->child)
+ return(1);
- if (MDOC_MAX != mdoc_find(mdoc, args[j]) && ! mdoc_warn
- (mdoc, tok, lastarg, WARN_SYNTAX_MACLIKE))
+ n = mdoc->last;
+
+ mdoc->next = MDOC_NEXT_CHILD;
+ if ( ! mdoc_word_alloc(mdoc, mdoc->last->line,
+ mdoc->last->pos, "file"))
return(0);
-
- if (0 == j) {
- if (xstrcmp("$Mdocdate: January 8 2009 $", args[j])) {
- mdoc->meta.date = time(NULL);
- goto again;
- } else if (xstrcmp("$Mdocdate:", args[j]))
- goto again;
- } else if (4 == j)
- if ( ! xstrcmp("$", args[j]))
- goto again;
-
- if ( ! xstrlcat(date, args[j], sizeof(date)))
- return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGFORM));
- if ( ! xstrlcat(date, " ", sizeof(date)))
- return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGFORM));
-
- goto again;
- /* NOTREACHED */
-#endif
+ mdoc->next = MDOC_NEXT_SIBLING;
+ if ( ! mdoc_word_alloc(mdoc, mdoc->last->line,
+ mdoc->last->pos, "..."))
+ return(0);
+
+ mdoc->last = n;
+ mdoc->next = MDOC_NEXT_SIBLING;
return(1);
}
-int
-mdoc_action_pre(struct mdoc *mdoc, struct mdoc_node *node)
+static int
+post_dd(struct mdoc *mdoc)
{
+ char buf[64];
+ (void)xstrlcpys(buf, mdoc->last->child, sizeof(buf));
+
+ if (0 == (mdoc->meta.date = mdoc_atotime(buf))) {
+ if ( ! mwarn(mdoc, WBADDATE))
+ return(0);
+ mdoc->meta.date = time(NULL);
+ }
+
+ mdoc_msg(mdoc, "date: %u", mdoc->meta.date);
+ return(post_prologue(mdoc));
+}
+
+
+static int
+post_prologue(struct mdoc *mdoc)
+{
+ struct mdoc_node *n;
+
+ /*
+ * The end document shouldn't have the prologue macros as part
+ * of the syntax tree (they encompass only meta-data).
+ */
+
+ if (mdoc->last->parent->child == mdoc->last)
+ mdoc->last->parent->child = mdoc->last->prev;
+ if (mdoc->last->prev)
+ mdoc->last->prev->next = NULL;
+
+ n = mdoc->last;
+ assert(NULL == mdoc->last->next);
+
+ if (mdoc->last->prev) {
+ mdoc->last = mdoc->last->prev;
+ mdoc->next = MDOC_NEXT_SIBLING;
+ } else {
+ mdoc->last = mdoc->last->parent;
+ mdoc->next = MDOC_NEXT_CHILD;
+ }
+
+ mdoc_node_freelist(n);
return(1);
}
int
mdoc_action_post(struct mdoc *mdoc)
{
- int t;
- switch (mdoc->last->type) {
- case (MDOC_BODY):
- t = mdoc->last->data.body.tok;
- break;
- case (MDOC_ELEM):
- t = mdoc->last->data.elem.tok;
- break;
- case (MDOC_BLOCK):
- t = mdoc->last->data.block.tok;
- break;
- case (MDOC_HEAD):
- t = mdoc->last->data.head.tok;
- break;
- default:
+ if (MDOC_ACTED & mdoc->last->flags)
return(1);
- }
+ mdoc->last->flags |= MDOC_ACTED;
- if (NULL == mdoc_actions[t].post)
+ if (MDOC_TEXT == mdoc->last->type)
+ return(1);
+ if (MDOC_ROOT == mdoc->last->type)
+ return(1);
+ if (NULL == mdoc_actions[mdoc->last->tok].post)
return(1);
- /* TODO: MDOC_Nm... ? */
- return((*mdoc_actions[t].post)(mdoc));
+ return((*mdoc_actions[mdoc->last->tok].post)(mdoc));
}
git.ckatri.com / mandoc.git / blobdiff