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|
/* $OpenBSD: tree.c,v 1.59 2022/01/12 04:53:57 schwarze Exp $ */
/*
* Copyright (c) 2008, 2009, 2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
* Copyright (c) 2013-2015, 2017-2022 Ingo Schwarze <schwarze@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 AUTHORS DISCLAIM ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS 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.
*
* Formatting module to let mandoc(1) show
* a human readable representation of the syntax tree.
*/
#include <sys/types.h>
#include <assert.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include "mandoc.h"
#include "roff.h"
#include "mdoc.h"
#include "man.h"
#include "tbl.h"
#include "eqn.h"
#include "main.h"
static void print_attr(const struct roff_node *);
static void print_box(const struct eqn_box *, int);
static void print_cellt(enum tbl_cellt);
static void print_man(const struct roff_node *, int);
static void print_meta(const struct roff_meta *);
static void print_mdoc(const struct roff_node *, int);
static void print_span(const struct tbl_span *, int);
void
tree_mdoc(void *arg, const struct roff_meta *mdoc)
{
print_meta(mdoc);
putchar('\n');
print_mdoc(mdoc->first->child, 0);
}
void
tree_man(void *arg, const struct roff_meta *man)
{
print_meta(man);
if (man->hasbody == 0)
puts("body = empty");
putchar('\n');
print_man(man->first->child, 0);
}
static void
print_meta(const struct roff_meta *meta)
{
if (meta->title != NULL)
printf("title = \"%s\"\n", meta->title);
if (meta->name != NULL)
printf("name = \"%s\"\n", meta->name);
if (meta->msec != NULL)
printf("sec = \"%s\"\n", meta->msec);
if (meta->vol != NULL)
printf("vol = \"%s\"\n", meta->vol);
if (meta->arch != NULL)
printf("arch = \"%s\"\n", meta->arch);
if (meta->os != NULL)
printf("os = \"%s\"\n", meta->os);
if (meta->date != NULL)
printf("date = \"%s\"\n", meta->date);
}
static void
print_mdoc(const struct roff_node *n, int indent)
{
const char *p, *t;
int i, j;
size_t argc;
struct mdoc_argv *argv;
if (n == NULL)
return;
argv = NULL;
argc = 0;
t = p = NULL;
switch (n->type) {
case ROFFT_ROOT:
t = "root";
break;
case ROFFT_BLOCK:
t = "block";
break;
case ROFFT_HEAD:
t = "head";
break;
case ROFFT_BODY:
if (n->end)
t = "body-end";
else
t = "body";
break;
case ROFFT_TAIL:
t = "tail";
break;
case ROFFT_ELEM:
t = "elem";
break;
case ROFFT_TEXT:
t = "text";
break;
case ROFFT_COMMENT:
t = "comment";
break;
case ROFFT_TBL:
break;
case ROFFT_EQN:
t = "eqn";
break;
default:
abort();
}
switch (n->type) {
case ROFFT_TEXT:
case ROFFT_COMMENT:
p = n->string;
break;
case ROFFT_BODY:
p = roff_name[n->tok];
break;
case ROFFT_HEAD:
p = roff_name[n->tok];
break;
case ROFFT_TAIL:
p = roff_name[n->tok];
break;
case ROFFT_ELEM:
p = roff_name[n->tok];
if (n->args) {
argv = n->args->argv;
argc = n->args->argc;
}
break;
case ROFFT_BLOCK:
p = roff_name[n->tok];
if (n->args) {
argv = n->args->argv;
argc = n->args->argc;
}
break;
case ROFFT_TBL:
break;
case ROFFT_EQN:
p = "EQ";
break;
case ROFFT_ROOT:
p = "root";
break;
default:
abort();
}
if (n->span) {
assert(NULL == p && NULL == t);
print_span(n->span, indent);
} else {
for (i = 0; i < indent; i++)
putchar(' ');
printf("%s (%s)", p, t);
for (i = 0; i < (int)argc; i++) {
printf(" -%s", mdoc_argnames[argv[i].arg]);
if (argv[i].sz > 0)
printf(" [");
for (j = 0; j < (int)argv[i].sz; j++)
printf(" [%s]", argv[i].value[j]);
if (argv[i].sz > 0)
printf(" ]");
}
print_attr(n);
}
if (n->eqn)
print_box(n->eqn->first, indent + 4);
if (n->child)
print_mdoc(n->child, indent +
(n->type == ROFFT_BLOCK ? 2 : 4));
if (n->next)
print_mdoc(n->next, indent);
}
static void
print_man(const struct roff_node *n, int indent)
{
const char *p, *t;
int i;
if (n == NULL)
return;
t = p = NULL;
switch (n->type) {
case ROFFT_ROOT:
t = "root";
break;
case ROFFT_ELEM:
t = "elem";
break;
case ROFFT_TEXT:
t = "text";
break;
case ROFFT_COMMENT:
t = "comment";
break;
case ROFFT_BLOCK:
t = "block";
break;
case ROFFT_HEAD:
t = "head";
break;
case ROFFT_BODY:
t = "body";
break;
case ROFFT_TBL:
break;
case ROFFT_EQN:
t = "eqn";
break;
default:
abort();
}
switch (n->type) {
case ROFFT_TEXT:
case ROFFT_COMMENT:
p = n->string;
break;
case ROFFT_ELEM:
case ROFFT_BLOCK:
case ROFFT_HEAD:
case ROFFT_BODY:
p = roff_name[n->tok];
break;
case ROFFT_ROOT:
p = "root";
break;
case ROFFT_TBL:
break;
case ROFFT_EQN:
p = "EQ";
break;
default:
abort();
}
if (n->span) {
assert(NULL == p && NULL == t);
print_span(n->span, indent);
} else {
for (i = 0; i < indent; i++)
putchar(' ');
printf("%s (%s)", p, t);
print_attr(n);
}
if (n->eqn)
print_box(n->eqn->first, indent + 4);
if (n->child)
print_man(n->child, indent +
(n->type == ROFFT_BLOCK ? 2 : 4));
if (n->next)
print_man(n->next, indent);
}
static void
print_attr(const struct roff_node *n)
{
putchar(' ');
if (n->flags & NODE_DELIMO)
putchar('(');
if (n->flags & NODE_LINE)
putchar('*');
printf("%d:%d", n->line, n->pos + 1);
if (n->flags & NODE_DELIMC)
putchar(')');
if (n->flags & NODE_EOS)
putchar('.');
if (n->flags & NODE_ID) {
printf(" ID");
if (n->flags & NODE_HREF)
printf("=HREF");
} else if (n->flags & NODE_HREF)
printf(" HREF");
else if (n->tag != NULL)
printf(" STRAYTAG");
if (n->tag != NULL)
printf("=%s", n->tag);
if (n->flags & NODE_BROKEN)
printf(" BROKEN");
if (n->flags & NODE_NOFILL)
printf(" NOFILL");
if (n->flags & NODE_NOSRC)
printf(" NOSRC");
if (n->flags & NODE_NOPRT)
printf(" NOPRT");
putchar('\n');
}
static void
print_box(const struct eqn_box *ep, int indent)
{
int i;
const char *t;
static const char *posnames[] = {
NULL, "sup", "subsup", "sub",
"to", "from", "fromto",
"over", "sqrt", NULL };
if (NULL == ep)
return;
for (i = 0; i < indent; i++)
putchar(' ');
t = NULL;
switch (ep->type) {
case EQN_LIST:
t = "eqn-list";
break;
case EQN_SUBEXPR:
t = "eqn-expr";
break;
case EQN_TEXT:
t = "eqn-text";
break;
case EQN_PILE:
t = "eqn-pile";
break;
case EQN_MATRIX:
t = "eqn-matrix";
break;
}
fputs(t, stdout);
if (ep->pos)
printf(" pos=%s", posnames[ep->pos]);
if (ep->left)
printf(" left=\"%s\"", ep->left);
if (ep->right)
printf(" right=\"%s\"", ep->right);
if (ep->top)
printf(" top=\"%s\"", ep->top);
if (ep->bottom)
printf(" bottom=\"%s\"", ep->bottom);
if (ep->text)
printf(" text=\"%s\"", ep->text);
if (ep->font)
printf(" font=%d", ep->font);
if (ep->size != EQN_DEFSIZE)
printf(" size=%d", ep->size);
if (ep->expectargs != UINT_MAX && ep->expectargs != ep->args)
printf(" badargs=%zu(%zu)", ep->args, ep->expectargs);
else if (ep->args)
printf(" args=%zu", ep->args);
putchar('\n');
print_box(ep->first, indent + 4);
print_box(ep->next, indent);
}
static void
print_cellt(enum tbl_cellt pos)
{
switch(pos) {
case TBL_CELL_LEFT:
putchar('L');
break;
case TBL_CELL_LONG:
putchar('a');
break;
case TBL_CELL_CENTRE:
putchar('c');
break;
case TBL_CELL_RIGHT:
putchar('r');
break;
case TBL_CELL_NUMBER:
putchar('n');
break;
case TBL_CELL_SPAN:
putchar('s');
break;
case TBL_CELL_DOWN:
putchar('^');
break;
case TBL_CELL_HORIZ:
putchar('-');
break;
case TBL_CELL_DHORIZ:
putchar('=');
break;
case TBL_CELL_MAX:
putchar('#');
break;
}
}
static void
print_span(const struct tbl_span *sp, int indent)
{
const struct tbl_dat *dp;
const struct tbl_cell *cp;
int i;
if (sp->prev == NULL) {
for (i = 0; i < indent; i++)
putchar(' ');
printf("%d", sp->opts->cols);
if (sp->opts->opts & TBL_OPT_CENTRE)
fputs(" center", stdout);
if (sp->opts->opts & TBL_OPT_EXPAND)
fputs(" expand", stdout);
if (sp->opts->opts & TBL_OPT_ALLBOX)
fputs(" allbox", stdout);
if (sp->opts->opts & TBL_OPT_BOX)
fputs(" box", stdout);
if (sp->opts->opts & TBL_OPT_DBOX)
fputs(" doublebox", stdout);
if (sp->opts->opts & TBL_OPT_NOKEEP)
fputs(" nokeep", stdout);
if (sp->opts->opts & TBL_OPT_NOSPACE)
fputs(" nospaces", stdout);
if (sp->opts->opts & TBL_OPT_NOWARN)
fputs(" nowarn", stdout);
printf(" (tbl options) %d:1\n", sp->line);
}
for (i = 0; i < indent; i++)
putchar(' ');
switch (sp->pos) {
case TBL_SPAN_HORIZ:
putchar('-');
putchar(' ');
break;
case TBL_SPAN_DHORIZ:
putchar('=');
putchar(' ');
break;
default:
for (cp = sp->layout->first; cp != NULL; cp = cp->next)
print_cellt(cp->pos);
putchar(' ');
for (dp = sp->first; dp; dp = dp->next) {
if ((cp = dp->layout) == NULL)
putchar('*');
else {
printf("%d", cp->col);
print_cellt(dp->layout->pos);
switch (cp->font) {
case ESCAPE_FONTROMAN:
break;
case ESCAPE_FONTBOLD:
putchar('b');
break;
case ESCAPE_FONTITALIC:
putchar('i');
break;
case ESCAPE_FONTBI:
fputs("bi", stdout);
break;
case ESCAPE_FONTCR:
putchar('c');
break;
case ESCAPE_FONTCB:
fputs("cb", stdout);
break;
case ESCAPE_FONTCI:
fputs("ci", stdout);
break;
default:
abort();
}
if (cp->flags & TBL_CELL_TALIGN)
putchar('t');
if (cp->flags & TBL_CELL_UP)
putchar('u');
if (cp->flags & TBL_CELL_BALIGN)
putchar('d');
if (cp->flags & TBL_CELL_WIGN)
putchar('z');
if (cp->flags & TBL_CELL_EQUAL)
putchar('e');
if (cp->flags & TBL_CELL_WMAX)
putchar('x');
}
switch (dp->pos) {
case TBL_DATA_NHORIZ:
putchar('\\');
/* FALLTHROUGH */
case TBL_DATA_HORIZ:
putchar('_');
break;
case TBL_DATA_NDHORIZ:
putchar('\\');
/* FALLTHROUGH */
case TBL_DATA_DHORIZ:
putchar('=');
break;
default:
putchar(dp->block ? '{' : '[');
if (dp->string != NULL)
fputs(dp->string, stdout);
putchar(dp->block ? '}' : ']');
break;
}
if (dp->hspans)
printf(">%d", dp->hspans);
if (dp->vspans)
printf("v%d", dp->vspans);
putchar(' ');
}
break;
}
printf("(tbl) %d:1\n", sp->line);
}
|