diff options
Diffstat (limited to 'tree.c')
| -rw-r--r-- | tree.c | 131 |
1 files changed, 131 insertions, 0 deletions
@@ -0,0 +1,131 @@ +/* $Id$ */ +/* + * Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se> + * + * 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 <stdlib.h> +#include <stdio.h> + +#include "mdoc.h" + +#define xprintf (void)printf + +static void treeprint_r(const struct mdoc_node *, int); + +static void +treeprint_r(const struct mdoc_node *n, int indent) +{ + const char *p, *t; + int i, j; + size_t argc, sz; + char **params; + struct mdoc_arg *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->data.text.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]; + argv = n->data.elem.argv; + argc = n->data.elem.argc; + break; + case (MDOC_BLOCK): + p = mdoc_macronames[n->tok]; + argv = n->data.block.argv; + argc = n->data.block.argc; + break; + case (MDOC_ROOT): + p = "root"; + break; + default: + abort(); + /* NOTREACHED */ + } + + for (i = 0; i < indent; i++) + xprintf(" "); + xprintf("%s (%s)", p, t); + + for (i = 0; i < (int)argc; i++) { + xprintf(" -%s", mdoc_argnames[argv[i].arg]); + if (argv[i].sz > 0) + xprintf(" ["); + for (j = 0; j < (int)argv[i].sz; j++) + xprintf(" [%s]", argv[i].value[j]); + if (argv[i].sz > 0) + xprintf(" ]"); + } + + for (i = 0; i < (int)sz; i++) + xprintf(" [%s]", params[i]); + + xprintf(" %d:%d\n", n->line, n->pos); + + if (n->child) + treeprint_r(n->child, indent + 1); + if (n->next) + treeprint_r(n->next, indent); +} + + +int +treeprint(const struct mdoc_node *node) +{ + + treeprint_r(node, 0); + return(1); +} |