freebsd-skq/tbl_html.c
2017-06-08 19:29:07 +00:00

159 lines
3.6 KiB
C

/* $Id: tbl_html.c,v 1.21 2017/06/08 18:11:22 schwarze Exp $ */
/*
* Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
* Copyright (c) 2014, 2015, 2017 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 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 "config.h"
#include <sys/types.h>
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "mandoc.h"
#include "out.h"
#include "html.h"
static void html_tblopen(struct html *, const struct tbl_span *);
static size_t html_tbl_len(size_t, void *);
static size_t html_tbl_strlen(const char *, void *);
static size_t html_tbl_sulen(const struct roffsu *, void *);
static size_t
html_tbl_len(size_t sz, void *arg)
{
return sz;
}
static size_t
html_tbl_strlen(const char *p, void *arg)
{
return strlen(p);
}
static size_t
html_tbl_sulen(const struct roffsu *su, void *arg)
{
switch (su->unit) {
case SCALE_FS: /* 2^16 basic units */
return su->scale * 65536.0 / 24.0;
case SCALE_IN: /* 10 characters per inch */
return su->scale * 10.0;
case SCALE_CM: /* 2.54 cm per inch */
return su->scale * 10.0 / 2.54;
case SCALE_PC: /* 6 pica per inch */
case SCALE_VS:
return su->scale * 10.0 / 6.0;
case SCALE_EN:
case SCALE_EM:
return su->scale;
case SCALE_PT: /* 12 points per pica */
return su->scale * 10.0 / 6.0 / 12.0;
case SCALE_BU: /* 24 basic units per character */
return su->scale / 24.0;
case SCALE_MM: /* 1/1000 inch */
return su->scale / 100.0;
default:
abort();
}
}
static void
html_tblopen(struct html *h, const struct tbl_span *sp)
{
struct tag *t;
int ic;
if (h->tbl.cols == NULL) {
h->tbl.len = html_tbl_len;
h->tbl.slen = html_tbl_strlen;
h->tbl.sulen = html_tbl_sulen;
tblcalc(&h->tbl, sp, 0);
}
assert(NULL == h->tblt);
h->tblt = print_otag(h, TAG_TABLE, "c", "tbl");
t = print_otag(h, TAG_COLGROUP, "");
for (ic = 0; ic < sp->opts->cols; ic++)
print_otag(h, TAG_COL, "shw", h->tbl.cols[ic].width);
print_tagq(h, t);
}
void
print_tblclose(struct html *h)
{
assert(h->tblt);
print_tagq(h, h->tblt);
h->tblt = NULL;
}
void
print_tbl(struct html *h, const struct tbl_span *sp)
{
const struct tbl_dat *dp;
struct tag *tt;
int ic;
/* Inhibit printing of spaces: we do padding ourselves. */
if (h->tblt == NULL)
html_tblopen(h, sp);
assert(h->tblt);
h->flags |= HTML_NONOSPACE;
h->flags |= HTML_NOSPACE;
tt = print_otag(h, TAG_TR, "");
switch (sp->pos) {
case TBL_SPAN_HORIZ:
case TBL_SPAN_DHORIZ:
print_otag(h, TAG_TD, "?", "colspan", "0");
break;
default:
dp = sp->first;
for (ic = 0; ic < sp->opts->cols; ic++) {
print_stagq(h, tt);
print_otag(h, TAG_TD, "");
if (dp == NULL || dp->layout->col > ic)
continue;
if (dp->layout->pos != TBL_CELL_DOWN)
if (dp->string != NULL)
print_text(h, dp->string);
dp = dp->next;
}
break;
}
print_tagq(h, tt);
h->flags &= ~HTML_NONOSPACE;
if (sp->next == NULL) {
assert(h->tbl.cols);
free(h->tbl.cols);
h->tbl.cols = NULL;
print_tblclose(h);
}
}