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/*@ S-nail - a mail user agent derived from Berkeley Mail.
*@ HTML tagsoup filter.
*
* Copyright (c) 2015 - 2020 Steffen (Daode) Nurpmeso <steffen@sdaoden.eu>.
* SPDX-License-Identifier: ISC
*
* Permission to use, copy, modify, and/or 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.
*/
#ifndef mx_FILTER_HTML_H
#define mx_FILTER_HTML_H
#include <mx/nail.h>
#ifdef mx_HAVE_FILTER_HTML_TAGSOUP
#define mx_HEADER
#include <su/code-in.h>
struct mx_flthtml;
struct mx_flthtml{
FILE *fh_os; /* Output stream */
u32 fh_flags;
u32 fh_lmax; /* Maximum byte +1 in .fh_line/4 */
u32 fh_len; /* Current bytes in .fh_line */
u32 fh_last_ws; /* Last whitespace on line (fold purposes) */
u32 fh_mboff; /* Last offset for "mbtowc" */
u32 fh_mbwidth; /* We count characters not bytes if possible */
char *fh_line; /* Output line buffer - MUST be last field! */
s32 fh_href_dist; /* Count of lines since last HREF flush */
u32 fh_href_no; /* HREF sequence number */
struct mx_flthtml_href *fh_hrefs;
struct mx_flthtml_tag const *fh_ign_tag; /* Tag that ends ignore mode */
char *fh_curr; /* Current cursor into .fh_bdat */
char *fh_bmax; /* Maximum byte in .fh_bdat +1 */
char *fh_bdat; /* (Temporary) Tag content data storage */
};
/* TODO Because we don't support filter chains yet this filter will be run
* TODO in a dedicated subprocess, driven via a special fs_popen() mode */
EXPORT int mx_flthtml_process_main(void);
EXPORT void mx_flthtml_init(struct mx_flthtml *self);
EXPORT void mx_flthtml_destroy(struct mx_flthtml *self);
EXPORT void mx_flthtml_reset(struct mx_flthtml *self, FILE *f);
EXPORT sz mx_flthtml_push(struct mx_flthtml *self, char const *dat,uz len);
EXPORT sz mx_flthtml_flush(struct mx_flthtml *self);
#include <su/code-ou.h>
#endif /* mx_HAVE_FILTER_HTML_TAGSOUP */
#endif /* mx_FILTER_HTML_H */
/* s-it-mode */
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