diff options
Diffstat (limited to 'tree.c')
| -rw-r--r-- | tree.c | 137 |
1 files changed, 137 insertions, 0 deletions
@@ -0,0 +1,137 @@ +/* $Id: tree.c,v 1.8 2009/03/19 16:17:27 kristaps Exp $ */ +/* + * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@openbsd.org> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the + * above copyright notice and this permission notice appear in all + * copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL + * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE + * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL + * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR + * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ +#include <assert.h> +#include <err.h> +#include <stdio.h> +#include <stdlib.h> + +#include "mdoc.h" + +static void tree_body(const struct mdoc_node *, int); + + +int +tree_run(void *arg, const struct mdoc *mdoc) +{ + + tree_body(mdoc_node(mdoc), 0); + return(1); +} + + +static void +tree_body(const struct mdoc_node *n, int indent) +{ + const char *p, *t; + int i, j; + size_t argc, sz; + char **params; + struct mdoc_argv *argv; + + argv = NULL; + argc = sz = 0; + params = NULL; + + switch (n->type) { + case (MDOC_ROOT): + t = "root"; + break; + case (MDOC_BLOCK): + t = "block"; + break; + case (MDOC_HEAD): + t = "block-head"; + break; + case (MDOC_BODY): + t = "block-body"; + break; + case (MDOC_TAIL): + t = "block-tail"; + break; + case (MDOC_ELEM): + t = "elem"; + break; + case (MDOC_TEXT): + t = "text"; + break; + default: + abort(); + /* NOTREACHED */ + } + + switch (n->type) { + case (MDOC_TEXT): + p = n->string; + break; + case (MDOC_BODY): + p = mdoc_macronames[n->tok]; + break; + case (MDOC_HEAD): + p = mdoc_macronames[n->tok]; + break; + case (MDOC_TAIL): + p = mdoc_macronames[n->tok]; + break; + case (MDOC_ELEM): + p = mdoc_macronames[n->tok]; + if (n->args) { + argv = n->args->argv; + argc = n->args->argc; + } + break; + case (MDOC_BLOCK): + p = mdoc_macronames[n->tok]; + if (n->args) { + argv = n->args->argv; + argc = n->args->argc; + } + break; + case (MDOC_ROOT): + p = "root"; + break; + default: + abort(); + /* NOTREACHED */ + } + + for (i = 0; i < indent; i++) + (void)printf(" "); + (void)printf("%s (%s)", p, t); + + for (i = 0; i < (int)argc; i++) { + (void)printf(" -%s", mdoc_argnames[argv[i].arg]); + if (argv[i].sz > 0) + (void)printf(" ["); + for (j = 0; j < (int)argv[i].sz; j++) + (void)printf(" [%s]", argv[i].value[j]); + if (argv[i].sz > 0) + (void)printf(" ]"); + } + + for (i = 0; i < (int)sz; i++) + (void)printf(" [%s]", params[i]); + + (void)printf(" %d:%d\n", n->line, n->pos); + + if (n->child) + tree_body(n->child, indent + 1); + if (n->next) + tree_body(n->next, indent); +} + |