htmlpdtd.c

www工具包. 这是W3C官方支持的www支撑库. 其中提供通用目的的客户端的WebAPI: complete HTTP/1.1 (with caching, pipelining, PUT, POS

/*								     HTMLPDTD.c
**	STATIC DTD FOR HTML (with frame support)
**
**	(c) COPYRIGHT MIT 1995.
**	Please first read the full copyright statement in the file COPYRIGH.
**	@(#) $Id: HTMLPDTD.c,v 2.32 1999/07/22 23:57:44 raff Exp $
**
**	 6 Nov 93	MD	Increased size of img_attr array to make space
**  				for terminator.
*/

/* Library include files */
#include "wwwsys.h"
#include "HTUtils.h"

#include "HTMLPDTD.h"

struct _HTStructured {
    HTStructuredClass * isa;
	/* ... */
};

/*
**	ENTITY NAMES
**	This table must be matched exactly with ALL the translation tables
*/
PRIVATE const char* entities[HTML_ENTITIES] = {
/* 00 */
  "AElig",	/* capital AE diphthong (ligature) */ 
  "Aacute",	/* capital A, acute accent */ 
  "Acirc",	/* capital A, circumflex accent */ 
  "Agrave",	/* capital A, grave accent */ 
  "Aring",	/* capital A, ring */ 
  "Atilde",	/* capital A, tilde */ 
  "Auml",	/* capital A, dieresis or umlaut mark */ 
  "Ccedil",	/* capital C, cedilla */ 
  "ETH",	/* capital Eth, Icelandic */ 
  "Eacute",	/* capital E, acute accent */ 
/* 10 */
  "Ecirc",	/* capital E, circumflex accent */ 
  "Egrave",	/* capital E, grave accent */ 
  "Euml",	/* capital E, dieresis or umlaut mark */ 
  "Iacute",	/* capital I, acute accent */ 
  "Icirc",	/* capital I, circumflex accent */ 
  "Igrave",	/* capital I, grave accent */ 
  "Iuml",	/* capital I, dieresis or umlaut mark */ 
  "Ntilde",	/* capital N, tilde */ 
  "Oacute",	/* capital O, acute accent */ 
  "Ocirc",	/* capital O, circumflex accent */ 
/* 20 */
  "Ograve",	/* capital O, grave accent */ 
  "Oslash",	/* capital O, slash */ 
  "Otilde",	/* capital O, tilde */ 
  "Ouml",	/* capital O, dieresis or umlaut mark */ 
  "THORN",	/* capital THORN, Icelandic */ 
  "Uacute",	/* capital U, acute accent */ 
  "Ucirc",	/* capital U, circumflex accent */ 
  "Ugrave",	/* capital U, grave accent */ 
  "Uuml",	/* capital U, dieresis or umlaut mark */ 
  "Yacute",	/* capital Y, acute accent */ 
/* 30 */
  "aacute",	/* small a, acute accent */ 
  "acirc",	/* small a, circumflex accent */ 
  "acute",	/* acute accent */
  "aelig",	/* small ae diphthong (ligature) */ 
  "agrave",	/* small a, grave accent */ 
  "amp",	/* ampersand */ 
  "aring",	/* small a, ring */ 
  "atilde",	/* small a, tilde */ 
  "auml",	/* small a, dieresis or umlaut mark */ 
  "brvbar",	/* broken vertical bar */
/* 40 */
  "ccedil",	/* small c, cedilla */ 
  "cedil",	/* cedilla */
  "cent",	/* cent sign */
  "copy",	/* copyright */
  "curren",	/* general currency sign */
  "deg",	/* degree sign */
  "divide",	/* division sign */
  "eacute",	/* small e, acute accent */ 
  "ecirc",	/* small e, circumflex accent */ 
  "egrave",	/* small e, grave accent */ 
/* 50 */
  "eth",	/* small eth, Icelandic */ 
  "euml",	/* small e, dieresis or umlaut mark */ 
  "frac12",	/* fraction one-half */
  "frac14",	/* fraction one-fourth */
  "frac34",	/* fraction three-fourth */
  "gt",		/* greater than */ 
  "iacute",	/* small i, acute accent */ 
  "icirc",	/* small i, circumflex accent */ 
  "iexcl",	/* inverted exclamation */
  "igrave",	/* small i, grave accent */ 
/* 60 */
  "iquest",	/* inverted question mark */
  "iuml",	/* small i, dieresis or umlaut mark */ 
  "laquo",	/* left angle quote */
  "lt",		/* less than */ 
  "macr",	/* macron accent */
  "micro",	/* micro sign (greek mu) */
  "middot",	/* middle dot */
  "nbsp",	/* non breaking space */
  "not",	/* not sign */
  "ntilde",	/* small n, tilde */ 
/* 70 */
  "oacute",	/* small o, acute accent */ 
  "ocirc",	/* small o, circumflex accent */ 
  "ograve",	/* small o, grave accent */ 
  "ordf",	/* feminine ordinal */
  "ordm",	/* masculine ordinal */
  "oslash",	/* small o, slash */ 
  "otilde",	/* small o, tilde */ 
  "ouml",	/* small o, dieresis or umlaut mark */
  "para",	/* paragraph sign */
  "plusmn",	/* plus or minus */
/* 80 */
  "pound",	/* pound sign */
  "quot",	/* double quote sign  - June 1994 */ 
  "raquo",	/* right angle quote */
  "reg",	/* registered trademark */
  "sect",	/* section sign */
  "shi",	/* soft hyphen */
  "sup1",	/* superscript 1 */
  "sup2",	/* superscript 2 */
  "sup3",	/* superscript 3 */
  "szlig",	/* small sharp s, German (sz ligature) */ 
/* 90 */
  "thorn",	/* small thorn, Icelandic */ 
  "times",	/* multiply sign */
  "uacute",	/* small u, acute accent */ 
  "ucirc",	/* small u, circumflex accent */ 
  "ugrave",	/* small u, grave accent */ 
  "uml",	/* dieresis or umlaut mark */
  "uuml",	/* small u, dieresis or umlaut mark */ 
  "yacute",	/* small y, acute accent */ 
  "yen",	/* yen sign */
  "yuml"	/* small y, dieresis or umlaut mark */ 
/* 100 */
};

/*
**	ATTRIBUTE DEFINITION MACROS (see HTMLPDTD.h)
*/

/*
 * redefine the macros, so that the "stringized" attribute name
 * is generated
 */

#undef	HTML_ATTR
#define	HTML_ATTR(t,a)		{ #a }
#undef	HTML_ATTRIBUTES
#define	HTML_ATTRIBUTES(t)	{ 0 }

/*
**	ATTRIBUTE LISTS
*/

PRIVATE HTAttr no_attr[1] = 
	{{ 0 }};

PRIVATE HTAttr body_attr[HTML_BODY_ATTRIBUTES+1] = {	/* to catch images */
	HTML_ATTR(BODY,ALINK),
	HTML_ATTR(BODY,BACKGROUND),
	HTML_ATTR(BODY,BGCOLOR),
	HTML_ATTR(BODY,CLASS),
	HTML_ATTR(BODY,DIR),
	HTML_ATTR(BODY,ID),
	HTML_ATTR(BODY,LANG),
	HTML_ATTR(BODY,LINK),
	HTML_ATTR(BODY,STYLE),
	HTML_ATTR(BODY,TEXT),
	HTML_ATTR(BODY,TITLE),
	HTML_ATTR(BODY,VLINK),
	HTML_ATTRIBUTES(BODY)
};	

PRIVATE HTAttr frame_attr[HTML_FRAME_ATTRIBUTES+1] = {	/* frame attributes */
	HTML_ATTR(FRAME,CLASS),
	HTML_ATTR(FRAME,FRAMEBORDER),
	HTML_ATTR(FRAME,ID),
	HTML_ATTR(FRAME,NAME),
	HTML_ATTR(FRAME,MARGINHEIGHT),
	HTML_ATTR(FRAME,MARGINWIDTH),
	HTML_ATTR(FRAME,NORESIZE),
	HTML_ATTR(FRAME,LONGDESC),
	HTML_ATTR(FRAME,SCROLLING),
	HTML_ATTR(FRAME,SRC),
	HTML_ATTR(FRAME,STYLE),
	HTML_ATTR(FRAME,TARGET),
	HTML_ATTR(FRAME,TITLE),
	HTML_ATTRIBUTES(FRAME)
};

PRIVATE HTAttr frameset_attr[HTML_FRAMESET_ATTRIBUTES+1] = { /* frameset attributes */
	HTML_ATTR(FRAMESET,CLASS),
	HTML_ATTR(FRAMESET,COLS),
	HTML_ATTR(FRAMESET,ID),
	HTML_ATTR(FRAMESET,ROWS),
	HTML_ATTR(FRAMESET,STYLE),
	HTML_ATTR(FRAMESET,TITLE),
	HTML_ATTRIBUTES(FRAMESET)
};

PRIVATE HTAttr a_attr[HTML_A_ATTRIBUTES+1] = {		/* Anchor attributes */
	HTML_ATTR(A,ACCESSKEY),
	HTML_ATTR(A,CHARSET),
	HTML_ATTR(A,CLASS),
	HTML_ATTR(A,COORDS),
	HTML_ATTR(A,DIR),
	HTML_ATTR(A,HREF),
	HTML_ATTR(A,HREFLANG),
	HTML_ATTR(A,ID),
	HTML_ATTR(A,NAME),
	HTML_ATTR(A,REL),
	HTML_ATTR(A,REV),
	HTML_ATTR(A,SHAPE),
	HTML_ATTR(A,STYLE),
	HTML_ATTR(A,TABINDEX),
	HTML_ATTR(A,TARGET),
	HTML_ATTR(A,TYPE),
	HTML_ATTR(A,TITLE),
	HTML_ATTRIBUTES(A)
};	

PRIVATE HTAttr applet_attr[HTML_APPLET_ATTRIBUTES+1] = {
	HTML_ATTR(APPLET,ALIGN),
	HTML_ATTR(APPLET,ALT),
	HTML_ATTR(APPLET,ARCHIVE),
	HTML_ATTR(APPLET,CLASS),
	HTML_ATTR(APPLET,CODE),
	HTML_ATTR(APPLET,CODEBASE),
	HTML_ATTR(APPLET,HEIGHT),
	HTML_ATTR(APPLET,HSPACE),
	HTML_ATTR(APPLET,ID),
	HTML_ATTR(APPLET,NAME),
	HTML_ATTR(APPLET,OBJECT),
	HTML_ATTR(APPLET,STYLE),
	HTML_ATTR(APPLET,TITLE),
	HTML_ATTR(APPLET,VSPACE),
	HTML_ATTR(APPLET,WIDTH),
	HTML_ATTRIBUTES(APPLET)
};

PRIVATE HTAttr area_attr[HTML_AREA_ATTRIBUTES+1] = {		/* Area attributes */
	HTML_ATTR(AREA,ACCESSKEY),
	HTML_ATTR(AREA,ALT),
	HTML_ATTR(AREA,CLASS),
	HTML_ATTR(AREA,COORDS),
	HTML_ATTR(AREA,DIR),
	HTML_ATTR(AREA,HREF),
	HTML_ATTR(AREA,ID),
	HTML_ATTR(AREA,NAME),
	HTML_ATTR(AREA,NOHREF),
	HTML_ATTR(AREA,LANG),
	HTML_ATTR(AREA,SHAPE),
	HTML_ATTR(AREA,STYLE),
	HTML_ATTR(AREA,TABINDEX),
	HTML_ATTR(AREA,TARGET),
	HTML_ATTR(AREA,TITLE),
	HTML_ATTRIBUTES(AREA)
};	

PRIVATE HTAttr base_attr[HTML_BASE_ATTRIBUTES+1] = {	/* BASE attributes */
	HTML_ATTR(BASE,HREF),
        HTML_ATTR(BASE,TARGET),
        HTML_ATTRIBUTES(BASE)
};	

PRIVATE HTAttr bdo_attr[HTML_BDO_ATTRIBUTES+1] = {
	HTML_ATTR(BDO,CLASS),
	HTML_ATTR(BDO,DIR),
	HTML_ATTR(BDO,ID),
	HTML_ATTR(BDO,LANG),
	HTML_ATTR(BDO,STYLE),
	HTML_ATTR(BDO,TITLE),
	HTML_ATTRIBUTES(BDO)
};

PRIVATE HTAttr bq_attr[HTML_BQ_ATTRIBUTES+1] = {
	HTML_ATTR(BQ,CITE),
	HTML_ATTR(BQ,CLASS),
	HTML_ATTR(BQ,DIR),
	HTML_ATTR(BQ,ID),
	HTML_ATTR(BQ,LANG),
	HTML_ATTR(BQ,STYLE),
	HTML_ATTR(BQ,TITLE),
	HTML_ATTRIBUTES(BQ)
};

PRIVATE HTAttr br_attr[HTML_BR_ATTRIBUTES+1] = {
	HTML_ATTR(BR,CLASS),
	HTML_ATTR(BR,CLEAR),
	HTML_ATTR(BR,ID),
	HTML_ATTR(BR,STYLE),
	HTML_ATTR(BR,TITLE),
	HTML_ATTRIBUTES(BR)
};

PRIVATE HTAttr button_attr[HTML_BUTTON_ATTRIBUTES+1] = {
	HTML_ATTR(BUTTON,ACCESSKEY),
	HTML_ATTR(BUTTON,CLASS),
	HTML_ATTR(BUTTON,DIR),
	HTML_ATTR(BUTTON,DISABLED),
	HTML_ATTR(BUTTON,ID),
	HTML_ATTR(BUTTON,LANG),
	HTML_ATTR(BUTTON,NAME),
	HTML_ATTR(BUTTON,STYLE),
	HTML_ATTR(BUTTON,TABINDEX),
	HTML_ATTR(BUTTON,TITLE),
	HTML_ATTR(BUTTON,TYPE),
	HTML_ATTR(BUTTON,VALUE),
	HTML_ATTRIBUTES(BUTTON),
};

PRIVATE HTAttr col_attr[HTML_COL_ATTRIBUTES+1] = {
	HTML_ATTR(COL,CLASS),
	HTML_ATTR(COL,DIR),
	HTML_ATTR(COL,ID),
	HTML_ATTR(COL,LANG),
	HTML_ATTR(COL,SPAN),
	HTML_ATTR(COL,STYLE),
	HTML_ATTR(COL,TITLE),
	HTML_ATTR(COL,WIDTH),
	HTML_ATTRIBUTES(COL)
};

PRIVATE HTAttr changes_attr[HTML_CHANGES_ATTRIBUTES+1] = {
	HTML_ATTR(CHANGES,CITE),
	HTML_ATTR(CHANGES,CLASS),
	HTML_ATTR(CHANGES,DATETIME),
	HTML_ATTR(CHANGES,DIR),
	HTML_ATTR(CHANGES,ID),
	HTML_ATTR(CHANGES,LANG),
	HTML_ATTR(CHANGES,STYLE),
	HTML_ATTR(CHANGES,TITLE),
	HTML_ATTRIBUTES(CHANGES)
};

PRIVATE HTAttr font_attr[HTML_FONT_ATTRIBUTES+1] = {
	HTML_ATTR(FONT,CLASS),
	HTML_ATTR(FONT,COLOR),
	HTML_ATTR(FONT,DIR),
	HTML_ATTR(FONT,FACE),
	HTML_ATTR(FONT,ID),
	HTML_ATTR(FONT,LANG),
	HTML_ATTR(FONT,SIZE),
	HTML_ATTR(FONT,STYLE),
	HTML_ATTR(FONT,TITLE),
	HTML_ATTRIBUTES(FONT)
};

PRIVATE HTAttr form_attr[HTML_FORM_ATTRIBUTES+1] = {
	HTML_ATTR(FORM,ACCEPT),
	{ "ACCEPT-CHARSET" }, /* HTML_ATTR(FORM,ACCEPT_CHARSET) */
	HTML_ATTR(FORM,ACTION),
	HTML_ATTR(FORM,CLASS),
	HTML_ATTR(FORM,DIR),
	HTML_ATTR(FORM,ENCTYPE),
	HTML_ATTR(FORM,ID),
	HTML_ATTR(FORM,LANG),
	HTML_ATTR(FORM,METHOD),
	HTML_ATTR(FORM,STYLE),
	HTML_ATTR(FORM,TARGET),
	HTML_ATTR(FORM,TITLE),
	HTML_ATTRIBUTES(FORM)
};

PRIVATE HTAttr gen_attr[HTML_GEN_ATTRIBUTES+1] = { /* General, for many things */
	HTML_ATTR(GEN,CLASS),
	HTML_ATTR(GEN,DIR),
	HTML_ATTR(GEN,ID),
	HTML_ATTR(GEN,LANG),
	HTML_ATTR(GEN,STYLE),
	HTML_ATTR(GEN,TITLE),
	HTML_ATTRIBUTES(GEN)
};

PRIVATE HTAttr block_attr[HTML_BLOCK_ATTRIBUTES+1] = { /* DIV, SPAN, H1-H6 */
	HTML_ATTR(BLOCK,ALIGN),
	HTML_ATTR(BLOCK,CLASS),
	HTML_ATTR(BLOCK,DIR),
	HTML_ATTR(BLOCK,ID),
	HTML_ATTR(BLOCK,LANG),
	HTML_ATTR(BLOCK,STYLE),
	HTML_ATTR(BLOCK,TITLE),
	HTML_ATTRIBUTES(BLOCK)
};

PRIVATE HTAttr head_attr[HTML_HEAD_ATTRIBUTES+1] = {
	HTML_ATTR(HEAD,DIR),
	HTML_ATTR(HEAD,LANG),
	HTML_ATTR(HEAD,PROFILE),
	HTML_ATTRIBUTES(HEAD)
};

PRIVATE HTAttr hr_attr[HTML_HR_ATTRIBUTES+1] = {
	HTML_ATTR(HR,ALIGN),
	HTML_ATTR(HR,CLASS),
	HTML_ATTR(HR,DIR),
	HTML_ATTR(HR,ID),
	HTML_ATTR(HR,LANG),
	HTML_ATTR(HR,NOSHADE),
	HTML_ATTR(HR,SIZE),
	HTML_ATTR(HR,STYLE),
	HTML_ATTR(HR,TITLE),
	HTML_ATTR(HR,WIDTH),
	HTML_ATTRIBUTES(HR)
};

PRIVATE HTAttr html_attr[HTML_HTML_ATTRIBUTES+1] = {
	HTML_ATTR(HTML,DIR),
	HTML_ATTR(HTML,LANG),
	HTML_ATTR(HTML,VERSION),
	HTML_ATTRIBUTES(HTML)
};

PRIVATE HTAttr iframe_attr[HTML_IFRAME_ATTRIBUTES+1] = {
	HTML_ATTR(IFRAME,ALIGN),
	HTML_ATTR(IFRAME,CLASS),
	HTML_ATTR(IFRAME,FRAMEBORDER),
	HTML_ATTR(IFRAME,HEIGHT),
	HTML_ATTR(IFRAME,ID),
	HTML_ATTR(IFRAME,LONGDESC),
	HTML_ATTR(IFRAME,MARGINHEIGHT),
	HTML_ATTR(IFRAME,MARGINWIDTH),
	HTML_ATTR(IFRAME,NAME),
	HTML_ATTR(IFRAME,SCROLLING),
	HTML_ATTR(IFRAME,SRC),
	HTML_ATTR(IFRAME,STYLE),
	HTML_ATTR(IFRAME,TARGET),
	HTML_ATTR(IFRAME,TITLE),
	HTML_ATTR(IFRAME,WIDTH),
	HTML_ATTRIBUTES(IFRAME)
};

PRIVATE HTAttr img_attr[HTML_IMG_ATTRIBUTES+1] = {	/* IMG attributes */
	HTML_ATTR(IMG,ALIGN),
	HTML_ATTR(IMG,ALT),
	HTML_ATTR(IMG,BORDER),
	HTML_ATTR(IMG,CLASS),
	HTML_ATTR(IMG,DIR),
	HTML_ATTR(IMG,HEIGHT),
	HTML_ATTR(IMG,HSPACE),
	HTML_ATTR(IMG,ID),
	HTML_ATTR(IMG,ISMAP),
	HTML_ATTR(IMG,LANG),
	HTML_ATTR(IMG,LONGDESC),
	HTML_ATTR(IMG,SRC),
	HTML_ATTR(IMG,STYLE),
	HTML_ATTR(IMG,TITLE),
	HTML_ATTR(IMG,USEMAP),
	HTML_ATTR(IMG,VSPACE),
	HTML_ATTR(IMG,WIDTH),
	HTML_ATTRIBUTES(IMG)
};	

PRIVATE HTAttr input_attr[HTML_INPUT_ATTRIBUTES+1] = {
	HTML_ATTR(INPUT,ACCEPT),
	HTML_ATTR(INPUT,ACCESSKEY),
	HTML_ATTR(INPUT,ALIGN),
	HTML_ATTR(INPUT,ALT),
	HTML_ATTR(INPUT,CHECKED),
	HTML_ATTR(INPUT,CLASS),
	HTML_ATTR(INPUT,DIR),
	HTML_ATTR(INPUT,DISABLED),
	HTML_ATTR(INPUT,ID),
	HTML_ATTR(INPUT,LANG),
	HTML_ATTR(INPUT,MAXLENGTH),
	HTML_ATTR(INPUT,NAME),
	HTML_ATTR(INPUT,READONLY),
	HTML_ATTR(INPUT,SIZE),
	HTML_ATTR(INPUT,SRC),
	HTML_ATTR(INPUT,STYLE),
	HTML_ATTR(INPUT,TABINDEX),
	HTML_ATTR(INPUT,TITLE),
	HTML_ATTR(INPUT,TYPE),
	HTML_ATTR(INPUT,USEMAP),
	HTML_ATTR(INPUT,VALUE),
	HTML_ATTRIBUTES(INPUT)
};

PRIVATE HTAttr isindex_attr[HTML_ISINDEX_ATTRIBUTES+1] = {
	HTML_ATTR(ISINDEX,CLASS),
	HTML_ATTR(ISINDEX,DIR),
	HTML_ATTR(ISINDEX,ID),
	HTML_ATTR(ISINDEX,LANG),
	HTML_ATTR(ISINDEX,PROMPT),
	HTML_ATTR(ISINDEX,STYLE),
	HTML_ATTR(ISINDEX,TITLE),
	HTML_ATTRIBUTES(ISINDEX)
};

PRIVATE HTAttr label_attr[HTML_LABEL_ATTRIBUTES+1] = {
	HTML_ATTR(LABEL,ACCESSKEY),
	HTML_ATTR(LABEL,CLASS),