+ return(1);
+}
+
+
+static int
+post_bl_width(struct mdoc *mdoc)
+{
+ size_t width;
+ int i, tok;
+ char buf[32];
+ char **p;
+
+ for (i = 0; i < (int)mdoc->last->data.block.argc; i++)
+ if (MDOC_Width == mdoc->last->data.block.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 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_find(mdoc, *p)))
+ return(1);
+ else 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);
+
+ /* The value already exists: free and reallocate it. */
+
+ (void)snprintf(buf, sizeof(buf), "%zun", width);
+
+ free(*p);
+ *p = strdup(buf);
+
+ return(1);
+}
+
+
+static int
+post_bl(struct mdoc *mdoc)
+{
+ int i, r;
+
+ 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).
+ */
+
+ for (r = i = 0; i < (int)mdoc->last->data.block.argc; i++) {
+ if (MDOC_Tag == mdoc->last->data.block.argv[i].arg)
+ r |= 1 << 0;
+ if (MDOC_Width == mdoc->last->data.block.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_dd(struct mdoc *mdoc)
+{
+ char buf[64];
+
+ /*
+ * Prologue date must be parsed into document meta-data. We
+ * accept multiple kinds of dates, described mostly in
+ * mdoc_atotime().
+ */
+
+ assert(MDOC_ELEM == mdoc->last->type);
+ assert(MDOC_Dd == mdoc->last->tok);
+
+ 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"));
+
+ 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)
+{
+
+ if (MDOC_ACTED & mdoc->last->flags)
+ return(1);
+ mdoc->last->flags |= MDOC_ACTED;
+
+ 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);
+ return((*mdoc_actions[mdoc->last->tok].post)(mdoc));
+}
git.ckatri.com / mandoc.git / blobdiff