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/*
* html_mode.h
*
* HTML 4.01 processing
*
* $Id$
*
* This file is part of the OpenLink Software Virtuoso Open-Source (VOS)
* project.
*
* Copyright (C) 1998-2012 OpenLink Software
*
* This project is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; only version 2 of the License, dated June 1991.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifndef _HTML_MODE_H
#define _HTML_MODE_H
/* 0 1 2 */
/* 01234567890123456789012345678 */
#define XHTML_NS "http://www.w3.org/1999/xhtml"
#define XHTML_NS_LEN 28
/* Auto-closing masks.
Every tag T has four bitmasks associated with it, I will name them
'own mask' (To)
'should-close-on-opening mask' (Ts1)
'may-close-on-opening mask' (Tm1)
'may-close-on-closing mask' (Tm2)
If (
tag T is now opening
and
the stack contains such not-yet-closed tag A that ((Ao & Ts1) == Ao)
and
every tag B in stack that is above A satisfies ((Bo & Tm1) == Bo)
)
then
before opening A parser should close all tags from the top of the stack to A inclusive.
If (
tag T is now closing
and
the name of T is not equal to the name of the last not-yet-closed tag in stack
and
the stack contains elements with the required name
and
A is the topmost among such elements
and
every tag B in stack that is above A satisfies ((Bo & Tm2) == Bo)
)
then
parser should close all tags from the top of the stack to A inclusive.
Every mask is an OR of the following bits: */
#define HTMLTM_PCDATA 0x00000001
#define HTMLTM_INLINE 0x00000002
#define HTMLTM_A 0x00000004
#define HTMLTM_LABEL 0x00000008
#define HTMLTM_BOX_FOR_INLINE 0x00000010
#define HTMLTM_BOX_FOR_BLOCKS 0x00000020
#define HTMLTM_BOX_FOR_SCRIPTS 0x00000040
#define HTMLTM_LIST 0x00000100
#define HTMLTM_LISTITEM 0x00000200
#define HTMLTM_DICT 0x00000400
#define HTMLTM_DICTITEM 0x00000800
#define HTMLTM_FORM 0x00001000
#define HTMLTM_SELECT 0x00002000
#define HTMLTM_OPTGROUP 0x00004000
#define HTMLTM_BUTTON 0x00008000
#define HTMLTM_TABLE 0x00010000
#define HTMLTM_TABLECONT 0x00020000
#define HTMLTM_TABLE_ROW 0x00040000
#define HTMLTM_TABLE_COLUMN 0x00080000
#define HTMLTM_HEAD 0x01000000
#define HTMLTM_FRAMESET 0x02000000
#define HTMLTM_NOFRAMES 0x04000000
#define HTMLTM_HTML 0x10000000
#define HTMLTM_BODY 0x20000000
#define HTMLTM_INSDEL 0x40000000
#define HTMLTM_XMP 0x80000000
typedef struct html_tag_descr_s
{
/*! Tag name */
const char *htmltd_name;
/*! 'own mask' */
unsigned htmltd_mask_o;
/*! 'should-close-on-opening mask' */
unsigned htmltd_mask_s1;
/*! 'may-close-on-opening mask' */
unsigned htmltd_mask_m1;
/*! 'may-close-on-closing mask' */
unsigned htmltd_mask_m2;
/*! True if the tag is declared as EMPTY (and closing tag is forbidden) */
unsigned char htmltd_is_empty;
/*! True if the < / tag > may be omitted after < tag > */
unsigned char htmltd_is_closing_optional;
/*! True if the tag is listed in <!ENTITY % block ... >, i.e. it is structure tag, not layout, (thus affects indents) */
unsigned char htmltd_is_block;
/*! True if the content of tag is whitespace-sensitive */
unsigned char htmltd_is_ws_sensitive;
/*! True if internal content of the tag is a special data so indentation must be disabled. */
unsigned char htmltd_is_script;
/*! True if internal content of the tag is a special data so escaping may be disabled. */
unsigned char htmltd_is_ptext;
/*! True if the tag is a HEAD of the document (i.e. it can contain META) */
unsigned char htmltd_is_head;
} html_tag_descr_t;
typedef struct html_attr_descr_s
{
const char *htmlad_name; /* Attribute name */
int htmlad_is_boolean; /* True if the attribute is boolean */
} html_attr_descr_t;
extern id_hash_t *html_tag_hash;
extern id_hash_t *html_attr_hash;
#endif /* _HTML_MODE_H */
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