xref: /dragonfly/contrib/mdocml/tree.c (revision fa71f50a)
1 /*	$Id: tree.c,v 1.49 2013/09/15 17:33:57 schwarze Exp $ */
2 /*
3  * Copyright (c) 2008, 2009, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
4  *
5  * Permission to use, copy, modify, and distribute this software for any
6  * purpose with or without fee is hereby granted, provided that the above
7  * copyright notice and this permission notice appear in all copies.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16  */
17 #ifdef HAVE_CONFIG_H
18 #include "config.h"
19 #endif
20 
21 #include <assert.h>
22 #include <limits.h>
23 #include <stdio.h>
24 #include <stdlib.h>
25 #include <time.h>
26 
27 #include "mandoc.h"
28 #include "mdoc.h"
29 #include "man.h"
30 #include "main.h"
31 
32 static	void	print_box(const struct eqn_box *, int);
33 static	void	print_man(const struct man_node *, int);
34 static	void	print_mdoc(const struct mdoc_node *, int);
35 static	void	print_span(const struct tbl_span *, int);
36 
37 
38 /* ARGSUSED */
39 void
40 tree_mdoc(void *arg, const struct mdoc *mdoc)
41 {
42 
43 	print_mdoc(mdoc_node(mdoc), 0);
44 }
45 
46 
47 /* ARGSUSED */
48 void
49 tree_man(void *arg, const struct man *man)
50 {
51 
52 	print_man(man_node(man), 0);
53 }
54 
55 
56 static void
57 print_mdoc(const struct mdoc_node *n, int indent)
58 {
59 	const char	 *p, *t;
60 	int		  i, j;
61 	size_t		  argc;
62 	struct mdoc_argv *argv;
63 
64 	argv = NULL;
65 	argc = 0;
66 	t = p = NULL;
67 
68 	switch (n->type) {
69 	case (MDOC_ROOT):
70 		t = "root";
71 		break;
72 	case (MDOC_BLOCK):
73 		t = "block";
74 		break;
75 	case (MDOC_HEAD):
76 		t = "block-head";
77 		break;
78 	case (MDOC_BODY):
79 		if (n->end)
80 			t = "body-end";
81 		else
82 			t = "block-body";
83 		break;
84 	case (MDOC_TAIL):
85 		t = "block-tail";
86 		break;
87 	case (MDOC_ELEM):
88 		t = "elem";
89 		break;
90 	case (MDOC_TEXT):
91 		t = "text";
92 		break;
93 	case (MDOC_TBL):
94 		/* FALLTHROUGH */
95 	case (MDOC_EQN):
96 		break;
97 	default:
98 		abort();
99 		/* NOTREACHED */
100 	}
101 
102 	switch (n->type) {
103 	case (MDOC_TEXT):
104 		p = n->string;
105 		break;
106 	case (MDOC_BODY):
107 		p = mdoc_macronames[n->tok];
108 		break;
109 	case (MDOC_HEAD):
110 		p = mdoc_macronames[n->tok];
111 		break;
112 	case (MDOC_TAIL):
113 		p = mdoc_macronames[n->tok];
114 		break;
115 	case (MDOC_ELEM):
116 		p = mdoc_macronames[n->tok];
117 		if (n->args) {
118 			argv = n->args->argv;
119 			argc = n->args->argc;
120 		}
121 		break;
122 	case (MDOC_BLOCK):
123 		p = mdoc_macronames[n->tok];
124 		if (n->args) {
125 			argv = n->args->argv;
126 			argc = n->args->argc;
127 		}
128 		break;
129 	case (MDOC_TBL):
130 		/* FALLTHROUGH */
131 	case (MDOC_EQN):
132 		break;
133 	case (MDOC_ROOT):
134 		p = "root";
135 		break;
136 	default:
137 		abort();
138 		/* NOTREACHED */
139 	}
140 
141 	if (n->span) {
142 		assert(NULL == p && NULL == t);
143 		print_span(n->span, indent);
144 	} else if (n->eqn) {
145 		assert(NULL == p && NULL == t);
146 		print_box(n->eqn->root, indent);
147 	} else {
148 		for (i = 0; i < indent; i++)
149 			putchar('\t');
150 
151 		printf("%s (%s)", p, t);
152 
153 		for (i = 0; i < (int)argc; i++) {
154 			printf(" -%s", mdoc_argnames[argv[i].arg]);
155 			if (argv[i].sz > 0)
156 				printf(" [");
157 			for (j = 0; j < (int)argv[i].sz; j++)
158 				printf(" [%s]", argv[i].value[j]);
159 			if (argv[i].sz > 0)
160 				printf(" ]");
161 		}
162 
163 		putchar(' ');
164 		if (MDOC_LINE & n->flags)
165 			putchar('*');
166 		printf("%d:%d\n", n->line, n->pos);
167 	}
168 
169 	if (n->child)
170 		print_mdoc(n->child, indent + 1);
171 	if (n->next)
172 		print_mdoc(n->next, indent);
173 }
174 
175 
176 static void
177 print_man(const struct man_node *n, int indent)
178 {
179 	const char	 *p, *t;
180 	int		  i;
181 
182 	t = p = NULL;
183 
184 	switch (n->type) {
185 	case (MAN_ROOT):
186 		t = "root";
187 		break;
188 	case (MAN_ELEM):
189 		t = "elem";
190 		break;
191 	case (MAN_TEXT):
192 		t = "text";
193 		break;
194 	case (MAN_BLOCK):
195 		t = "block";
196 		break;
197 	case (MAN_HEAD):
198 		t = "block-head";
199 		break;
200 	case (MAN_BODY):
201 		t = "block-body";
202 		break;
203 	case (MAN_TAIL):
204 		t = "block-tail";
205 		break;
206 	case (MAN_TBL):
207 		/* FALLTHROUGH */
208 	case (MAN_EQN):
209 		break;
210 	default:
211 		abort();
212 		/* NOTREACHED */
213 	}
214 
215 	switch (n->type) {
216 	case (MAN_TEXT):
217 		p = n->string;
218 		break;
219 	case (MAN_ELEM):
220 		/* FALLTHROUGH */
221 	case (MAN_BLOCK):
222 		/* FALLTHROUGH */
223 	case (MAN_HEAD):
224 		/* FALLTHROUGH */
225 	case (MAN_TAIL):
226 		/* FALLTHROUGH */
227 	case (MAN_BODY):
228 		p = man_macronames[n->tok];
229 		break;
230 	case (MAN_ROOT):
231 		p = "root";
232 		break;
233 	case (MAN_TBL):
234 		/* FALLTHROUGH */
235 	case (MAN_EQN):
236 		break;
237 	default:
238 		abort();
239 		/* NOTREACHED */
240 	}
241 
242 	if (n->span) {
243 		assert(NULL == p && NULL == t);
244 		print_span(n->span, indent);
245 	} else if (n->eqn) {
246 		assert(NULL == p && NULL == t);
247 		print_box(n->eqn->root, indent);
248 	} else {
249 		for (i = 0; i < indent; i++)
250 			putchar('\t');
251 		printf("%s (%s) %d:%d\n", p, t, n->line, n->pos);
252 	}
253 
254 	if (n->child)
255 		print_man(n->child, indent + 1);
256 	if (n->next)
257 		print_man(n->next, indent);
258 }
259 
260 static void
261 print_box(const struct eqn_box *ep, int indent)
262 {
263 	int		 i;
264 	const char	*t;
265 
266 	if (NULL == ep)
267 		return;
268 	for (i = 0; i < indent; i++)
269 		putchar('\t');
270 
271 	t = NULL;
272 	switch (ep->type) {
273 	case (EQN_ROOT):
274 		t = "eqn-root";
275 		break;
276 	case (EQN_LIST):
277 		t = "eqn-list";
278 		break;
279 	case (EQN_SUBEXPR):
280 		t = "eqn-expr";
281 		break;
282 	case (EQN_TEXT):
283 		t = "eqn-text";
284 		break;
285 	case (EQN_MATRIX):
286 		t = "eqn-matrix";
287 		break;
288 	}
289 
290 	assert(t);
291 	printf("%s(%d, %d, %d, %d, %d, \"%s\", \"%s\") %s\n",
292 		t, EQN_DEFSIZE == ep->size ? 0 : ep->size,
293 		ep->pos, ep->font, ep->mark, ep->pile,
294 		ep->left ? ep->left : "",
295 		ep->right ? ep->right : "",
296 		ep->text ? ep->text : "");
297 
298 	print_box(ep->first, indent + 1);
299 	print_box(ep->next, indent);
300 }
301 
302 static void
303 print_span(const struct tbl_span *sp, int indent)
304 {
305 	const struct tbl_dat *dp;
306 	int		 i;
307 
308 	for (i = 0; i < indent; i++)
309 		putchar('\t');
310 
311 	switch (sp->pos) {
312 	case (TBL_SPAN_HORIZ):
313 		putchar('-');
314 		return;
315 	case (TBL_SPAN_DHORIZ):
316 		putchar('=');
317 		return;
318 	default:
319 		break;
320 	}
321 
322 	for (dp = sp->first; dp; dp = dp->next) {
323 		switch (dp->pos) {
324 		case (TBL_DATA_HORIZ):
325 			/* FALLTHROUGH */
326 		case (TBL_DATA_NHORIZ):
327 			putchar('-');
328 			continue;
329 		case (TBL_DATA_DHORIZ):
330 			/* FALLTHROUGH */
331 		case (TBL_DATA_NDHORIZ):
332 			putchar('=');
333 			continue;
334 		default:
335 			break;
336 		}
337 		printf("[\"%s\"", dp->string ? dp->string : "");
338 		if (dp->spans)
339 			printf("(%d)", dp->spans);
340 		if (NULL == dp->layout)
341 			putchar('*');
342 		putchar(']');
343 		putchar(' ');
344 	}
345 
346 	printf("(tbl) %d:1\n", sp->line);
347 }
348