+
+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);
+
+ /*
+ * 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;
+
+ (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_bl_width(struct mdoc *m)
+{
+ 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);
+
+ n = mdoc->last;
+
+ 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);
+}
+
+
+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)
+{
+
+ 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