-/* $Id: action.c,v 1.23 2009/02/28 13:47:36 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>
* children have been filled in (post-fix order).
*/
+enum merr {
+ ENOWIDTH
+};
+
+enum mwarn {
+ WBADSEC,
+ WNOWIDTH,
+ WBADDATE
+};
+
struct actions {
int (*post)(struct mdoc *);
};
-/* Per-macro action routines. */
-
+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_sh(struct mdoc *);
-static int post_os(struct mdoc *);
-static int post_dt(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 *);
-/* Array of macro action routines. */
-
const struct actions mdoc_actions[MDOC_MAX] = {
{ NULL }, /* \" */
{ post_dd }, /* Dd */
{ NULL }, /* It */
{ NULL }, /* Ad */
{ NULL }, /* An */
- { NULL }, /* Ar */
+ { post_ar }, /* Ar */
{ NULL }, /* Cd */
{ NULL }, /* Cm */
{ NULL }, /* Dv */
{ NULL }, /* Er */
{ NULL }, /* Ev */
- { NULL }, /* Ex */
+ { post_ex }, /* Ex */
{ NULL }, /* Fa */
{ NULL }, /* Fd */
{ NULL }, /* Fl */
{ NULL }, /* Hf */
{ NULL }, /* Fr */
{ NULL }, /* Ud */
+ { NULL }, /* Lb */
};
+#define merr(m, t) nerr((m), (m)->last, (t))
static int
-post_nm(struct mdoc *mdoc)
+nerr(struct mdoc *m, const struct mdoc_node *n, enum merr type)
{
- char buf[64];
+ char *p;
+
+ p = NULL;
+
+ switch (type) {
+ case (ENOWIDTH):
+ p = "missing width argument";
+ break;
+ }
+
+ assert(p);
+ return(mdoc_nerr(m, n, p));
+}
+
- assert(MDOC_ELEM == mdoc->last->type);
- assert(MDOC_Nm == mdoc->last->tok);
+#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;
+
+ 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_nwarn(m, n, c, p));
+}
+
+
+static int
+post_ex(struct mdoc *mdoc)
+{
/*
- * The `Nm' macro sets the document's name when used the first
- * time with an argument. Subsequent calls without a value will
- * result in the name value being used.
+ * If `.Ex -std' is invoked without an argument, fill it in with
+ * our name (if it's been set).
*/
- if (mdoc->meta.name)
+ if (NULL == mdoc->last->args)
+ return(1);
+ if (mdoc->last->args->argv[0].sz)
return(1);
- if (xstrlcats(buf, mdoc->last->child, 64)) {
- mdoc->meta.name = xstrdup(buf);
+ 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_nm(struct mdoc *mdoc)
+{
+ char buf[64];
+
+ if (mdoc->meta.name)
return(1);
- }
- return(mdoc_err(mdoc, "macro parameters too long"));
+ (void)xstrlcpys(buf, mdoc->last->child, sizeof(buf));
+ mdoc->meta.name = xstrdup(buf);
+ mdoc_msg(mdoc, "name: %s", mdoc->meta.name);
+
+ return(1);
}
if (MDOC_HEAD != mdoc->last->type)
return(1);
- if (xstrlcats(buf, mdoc->last->child, 64)) {
- if (SEC_CUSTOM != (sec = mdoc_atosec(buf)))
- mdoc->lastnamed = sec;
- mdoc->lastsec = sec;
- } else
- return(mdoc_err(mdoc, "parameters too long"));
+
+ (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 (MSEC_2):
+ case (2):
/* FALLTHROUGH */
- case (MSEC_3):
+ case (3):
/* FALLTHROUGH */
- case (MSEC_9):
+ case (9):
break;
default:
- return(mdoc_warn(mdoc, WARN_COMPAT,
- "inappropriate section for "
- "manual section"));
+ return(mwarn(mdoc, WBADSEC));
}
break;
default:
static int
post_dt(struct mdoc *mdoc)
{
- int i;
- char *p;
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
+ */
- /*
- * Prologue title must be parsed into document meta-data.
+ 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));
+ }
+
+ /* Handles: `.Dt TITLE'
+ * --> title = TITLE, volume = local, msec = 0, arch = NULL
*/
- assert(MDOC_ELEM == mdoc->last->type);
- assert(MDOC_Dt == mdoc->last->tok);
+ mdoc->meta.title = xstrdup(n->string);
+ mdoc_msg(mdoc, "title: %s", mdoc->meta.title);
- assert(NULL == 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));
+ }
- /* LINTED */
- for (i = 0, n = mdoc->last->child; n; n = n->next, i++) {
- assert(MDOC_TEXT == n->type);
- p = n->data.text.string;
+ /* Handles: `.Dt TITLE SEC'
+ * --> title = TITLE, volume = SEC is msec ?
+ * format(msec) : SEC,
+ * msec = SEC is msec ? atoi(msec) : 0,
+ * arch = NULL
+ */
- switch (i) {
- case (0):
- mdoc->meta.title = xstrdup(p);
- break;
- case (1):
- mdoc->meta.msec = mdoc_atomsec(p);
- if (MSEC_DEFAULT != mdoc->meta.msec)
- break;
- return(mdoc_nerr(mdoc, n, "invalid parameter syntax"));
- case (2):
- mdoc->meta.vol = mdoc_atovol(p);
- if (VOL_DEFAULT != mdoc->meta.vol)
- break;
- mdoc->meta.arch = mdoc_atoarch(p);
- if (ARCH_DEFAULT != mdoc->meta.arch)
- break;
- return(mdoc_nerr(mdoc, n, "invalid parameter syntax"));
- default:
- return(mdoc_nerr(mdoc, n, "too many parameters"));
- }
+ 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));
}
- if (NULL == mdoc->meta.title)
- mdoc->meta.title = xstrdup("UNTITLED");
+ /* Handles: `.Dt TITLE SEC VOL'
+ * --> title = TITLE, volume = VOL is vol ?
+ * format(VOL) :
+ * VOL is arch ? format(arch) :
+ * VOL
+ */
- mdoc_msg(mdoc, "title: %s", mdoc->meta.title);
+ 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));
}
post_os(struct mdoc *mdoc)
{
char buf[64];
+ struct utsname utsname;
- /*
- * Prologue operating system must be parsed into document
- * meta-data.
- */
+ if (mdoc->meta.os)
+ free(mdoc->meta.os);
- assert(MDOC_ELEM == mdoc->last->type);
- assert(MDOC_Os == mdoc->last->tok);
- assert(NULL == mdoc->meta.os);
+ (void)xstrlcpys(buf, mdoc->last->child, sizeof(buf));
- if ( ! xstrlcats(buf, mdoc->last->child, 64))
- return(mdoc_err(mdoc, "macro parameters too long"));
+ 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);
- mdoc->meta.os = xstrdup(buf[0] ? buf : "LOCAL");
- mdoc->lastnamed = SEC_BODY;
+ mdoc->lastnamed = mdoc->lastsec = SEC_BODY;
return(post_prologue(mdoc));
}
post_bl_tagwidth(struct mdoc *mdoc)
{
struct mdoc_node *n;
- struct mdoc_block *b;
int sz;
char buf[32];
* to intuit our width from the first body element.
*/
- b = &mdoc->last->data.block;
-
- if (NULL == (n = b->body->child))
+ if (NULL == (n = mdoc->last->body->child))
return(1);
- assert(MDOC_It == n->tok);
/*
* Use the text width, if a text node, or the default macro
* width if a macro.
*/
- if ((n = n->data.block.head->child)) {
+ if ((n = n->head->child)) {
if (MDOC_TEXT != n->type) {
- if (0 == (sz = mdoc_macro2len(n->tok)))
+ if (0 == (sz = (int)mdoc_macro2len(n->tok)))
sz = -1;
} else
- sz = (int)strlen(n->data.text.string) + 1;
+ sz = (int)strlen(n->string) + 1;
} else
sz = -1;
if (-1 == sz) {
- if ( ! mdoc_warn(mdoc, WARN_SYNTAX,
- "cannot determine default %s",
- mdoc_argnames[MDOC_Width]))
+ if ( ! mwarn(mdoc, WNOWIDTH))
return(0);
sz = 10;
}
* We're guaranteed that a MDOC_Width doesn't already exist.
*/
- (b->argc)++;
- b->argv = xrealloc(b->argv, b->argc * sizeof(struct mdoc_arg));
+ 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;
+
+ (n->args->argc)++;
+
+ n->args->argv = xrealloc(n->args->argv,
+ n->args->argc * sizeof(struct mdoc_arg));
- b->argv[b->argc - 1].arg = MDOC_Width;
- b->argv[b->argc - 1].line = mdoc->last->line;
- b->argv[b->argc - 1].pos = mdoc->last->pos;
- b->argv[b->argc - 1].sz = 1;
- b->argv[b->argc - 1].value = xcalloc(1, sizeof(char *));
- b->argv[b->argc - 1].value[0] = xstrdup(buf);
+ 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: %dn",
- mdoc_argnames[MDOC_Width], sz);
+ mdoc_msg(mdoc, "adding %s argument: %s",
+ mdoc_argnames[MDOC_Width], buf);
return(1);
}
static int
-post_bl_width(struct mdoc *mdoc)
+post_bl_width(struct mdoc *m)
{
size_t width;
int i, tok;
char buf[32];
- char **p;
+ char *p;
+
+ if (NULL == m->last->args)
+ return(merr(m, ENOWIDTH));
- for (i = 0; i < (int)mdoc->last->data.block.argc; i++)
- if (MDOC_Width == mdoc->last->data.block.argv[i].arg)
+ for (i = 0; i < (int)m->last->args->argc; i++)
+ if (MDOC_Width == m->last->args->argv[i].arg)
break;
- assert(i < (int)mdoc->last->data.block.argc);
- assert(1 == mdoc->last->data.block.argv[i].sz);
- p = &mdoc->last->data.block.argv[i].value[0];
+ 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 (MDOC_MAX == (tok = mdoc_find(mdoc, *p)))
+ 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));
- if (0 == (width = mdoc_macro2len(tok)))
- return(mdoc_warn(mdoc, WARN_SYNTAX,
- "-%s macro has no length",
- mdoc_argnames[MDOC_Width]));
-
- mdoc_msg(mdoc, "re-writing %s argument: %s -> %zun",
- mdoc_argnames[MDOC_Width], *p, width);
+ 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(*p);
- *p = strdup(buf);
+ 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;
+ int i, r, len;
if (MDOC_BLOCK != mdoc->last->type)
return(1);
* rewritten into real lengths).
*/
- for (r = i = 0; i < (int)mdoc->last->data.block.argc; i++) {
- if (MDOC_Tag == mdoc->last->data.block.argv[i].arg)
+ 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->data.block.argv[i].arg)
+ if (MDOC_Width == mdoc->last->args->argv[i].arg)
r |= 1 << 1;
}
static int
-post_dd(struct mdoc *mdoc)
+post_ar(struct mdoc *mdoc)
{
- char buf[64];
+ struct mdoc_node *n;
- /*
- * Prologue date must be parsed into document meta-data. We
- * accept multiple kinds of dates, described mostly in
- * mdoc_atotime().
- */
+ if (mdoc->last->child)
+ return(1);
+
+ n = mdoc->last;
- assert(MDOC_ELEM == mdoc->last->type);
- assert(MDOC_Dd == mdoc->last->tok);
+ mdoc->next = MDOC_NEXT_CHILD;
+ if ( ! mdoc_word_alloc(mdoc, mdoc->last->line,
+ mdoc->last->pos, "file"))
+ return(0);
+ 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);
+}
- assert(0 == mdoc->meta.date);
- if ( ! xstrlcats(buf, mdoc->last->child, 64))
- return(mdoc_err(mdoc, "macro parameters too long"));
- if (0 == (mdoc->meta.date = mdoc_atotime(buf)))
- return(mdoc_err(mdoc, "invalid parameter syntax"));
+static int
+post_dd(struct mdoc *mdoc)
+{
+ char buf[64];
- mdoc_msg(mdoc, "date: %u", mdoc->meta.date);
+ (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));
}
git.ckatri.com / mandoc.git / blobdiff