зеркало из https://github.com/mozilla/pjs.git
option is a container too
This commit is contained in:
kipp
Родитель
28ac9e9218
Коммит
2c18080875
|
|
@ -1,704 +0,0 @@
|
|||
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
||||
/*
|
||||
* The contents of this file are subject to the Netscape Public License
|
||||
* Version 1.0 (the "NPL"); you may not use this file except in
|
||||
* compliance with the NPL. You may obtain a copy of the NPL at
|
||||
* http://www.mozilla.org/NPL/
|
||||
*
|
||||
* Software distributed under the NPL is distributed on an "AS IS" basis,
|
||||
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
|
||||
* for the specific language governing rights and limitations under the
|
||||
* NPL.
|
||||
*
|
||||
* The Initial Developer of this code under the NPL is Netscape
|
||||
* Communications Corporation. Portions created by Netscape are
|
||||
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
|
||||
* Reserved.
|
||||
*/
|
||||
|
||||
/**
|
||||
* MODULE NOTES:
|
||||
* @update gess 4/8/98
|
||||
*
|
||||
*
|
||||
*/
|
||||
|
||||
#include "nsHTMLDTD.h"
|
||||
#include "nsHTMLTokens.h"
|
||||
#include "nsCRT.h"
|
||||
#include "nsParserTypes.h"
|
||||
|
||||
static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
|
||||
static NS_DEFINE_IID(kClassIID, NS_IHTML_DTD_IID);
|
||||
static NS_DEFINE_IID(kIDTDIID, NS_IDTD_IID);
|
||||
|
||||
|
||||
|
||||
/**-------------------------------------------------------
|
||||
* This method gets called as part of our COM-like interfaces.
|
||||
* Its purpose is to create an interface to parser object
|
||||
* of some type.
|
||||
*
|
||||
* @update gess 4/8/98
|
||||
* @param nsIID id of object to discover
|
||||
* @param aInstancePtr ptr to newly discovered interface
|
||||
* @return NS_xxx result code
|
||||
*------------------------------------------------------*/
|
||||
nsresult nsHTMLDTD::QueryInterface(const nsIID& aIID, void** aInstancePtr)
|
||||
{
|
||||
if (NULL == aInstancePtr) {
|
||||
return NS_ERROR_NULL_POINTER;
|
||||
}
|
||||
|
||||
if(aIID.Equals(kISupportsIID)) { //do IUnknown...
|
||||
*aInstancePtr = (nsIDTD*)(this);
|
||||
}
|
||||
else if(aIID.Equals(kIDTDIID)) { //do IParser base class...
|
||||
*aInstancePtr = (nsIDTD*)(this);
|
||||
}
|
||||
else if(aIID.Equals(kClassIID)) { //do this class...
|
||||
*aInstancePtr = (nsHTMLDTD*)(this);
|
||||
}
|
||||
else {
|
||||
*aInstancePtr=0;
|
||||
return NS_NOINTERFACE;
|
||||
}
|
||||
((nsISupports*) *aInstancePtr)->AddRef();
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
/**-------------------------------------------------------
|
||||
* This method is defined in nsIParser. It is used to
|
||||
* cause the COM-like construction of an nsHTMLParser.
|
||||
*
|
||||
* @update gess 4/8/98
|
||||
* @param nsIParser** ptr to newly instantiated parser
|
||||
* @return NS_xxx error result
|
||||
*------------------------------------------------------*/
|
||||
NS_HTMLPARS nsresult NS_NewHTMLDTD(nsIDTD** aInstancePtrResult)
|
||||
{
|
||||
nsHTMLDTD* it = new nsHTMLDTD();
|
||||
|
||||
if (it == 0) {
|
||||
return NS_ERROR_OUT_OF_MEMORY;
|
||||
}
|
||||
|
||||
return it->QueryInterface(kClassIID, (void **) aInstancePtrResult);
|
||||
}
|
||||
|
||||
|
||||
NS_IMPL_ADDREF(nsHTMLDTD)
|
||||
NS_IMPL_RELEASE(nsHTMLDTD)
|
||||
|
||||
|
||||
/**-------------------------------------------------------
|
||||
* Default constructor
|
||||
*
|
||||
* @update gess 4/9/98
|
||||
* @param
|
||||
* @return
|
||||
*------------------------------------------------------*/
|
||||
nsHTMLDTD::nsHTMLDTD(){
|
||||
}
|
||||
|
||||
/**-------------------------------------------------------
|
||||
* Default destructor
|
||||
*
|
||||
* @update gess 4/9/98
|
||||
* @param
|
||||
* @return
|
||||
*------------------------------------------------------*/
|
||||
nsHTMLDTD::~nsHTMLDTD(){
|
||||
}
|
||||
|
||||
/** ------------------------------------------------------
|
||||
* This method is called to determine whether or not a tag
|
||||
* of one type can contain a tag of another type.
|
||||
*
|
||||
* @update gess 4/8/98
|
||||
* @param aParent -- tag enum of parent container
|
||||
* @param aChild -- tag enum of child container
|
||||
* @return PR_TRUE if parent can contain child
|
||||
*/ //----------------------------------------------------
|
||||
PRBool nsHTMLDTD::CanContain(PRInt32 aParent,PRInt32 aChild) const {
|
||||
PRBool result=PR_FALSE;
|
||||
|
||||
//tagset1 has 61 members...
|
||||
static char gTagSet1[]={
|
||||
eHTMLTag_a, eHTMLTag_acronym, eHTMLTag_address, eHTMLTag_applet,
|
||||
eHTMLTag_bold, eHTMLTag_basefont, eHTMLTag_bdo, eHTMLTag_big,
|
||||
eHTMLTag_blockquote,eHTMLTag_br, eHTMLTag_button, eHTMLTag_center,
|
||||
eHTMLTag_cite, eHTMLTag_code, eHTMLTag_dfn, eHTMLTag_dir,
|
||||
eHTMLTag_div, eHTMLTag_dl, eHTMLTag_em, eHTMLTag_fieldset,
|
||||
eHTMLTag_font, eHTMLTag_form, eHTMLTag_h1, eHTMLTag_h2,
|
||||
eHTMLTag_h3, eHTMLTag_h4, eHTMLTag_h5, eHTMLTag_h6,
|
||||
eHTMLTag_hr, eHTMLTag_italic, eHTMLTag_iframe, eHTMLTag_img,
|
||||
eHTMLTag_input, eHTMLTag_isindex, eHTMLTag_kbd, eHTMLTag_label,
|
||||
eHTMLTag_map, eHTMLTag_menu, eHTMLTag_noframes, eHTMLTag_noscript,
|
||||
eHTMLTag_object, eHTMLTag_ol, eHTMLTag_paragraph, eHTMLTag_pre,
|
||||
eHTMLTag_quotation, eHTMLTag_strike, eHTMLTag_samp, eHTMLTag_script,
|
||||
eHTMLTag_select, eHTMLTag_small, eHTMLTag_span, eHTMLTag_strong,
|
||||
eHTMLTag_sub, eHTMLTag_sup, eHTMLTag_table, eHTMLTag_textarea,
|
||||
eHTMLTag_tt, eHTMLTag_u, eHTMLTag_ul, eHTMLTag_userdefined,
|
||||
eHTMLTag_var, 0};
|
||||
|
||||
//tagset2 has 37 members...
|
||||
static char gTagSet2[]={
|
||||
eHTMLTag_a, eHTMLTag_acronym, eHTMLTag_applet, eHTMLTag_bold,
|
||||
eHTMLTag_basefont, eHTMLTag_bdo, eHTMLTag_big, eHTMLTag_br,
|
||||
eHTMLTag_button, eHTMLTag_cite, eHTMLTag_code, eHTMLTag_dfn,
|
||||
eHTMLTag_em, eHTMLTag_font, eHTMLTag_hr, eHTMLTag_italic,
|
||||
eHTMLTag_iframe, eHTMLTag_img, eHTMLTag_input, eHTMLTag_kbd,
|
||||
eHTMLTag_label, eHTMLTag_map, eHTMLTag_object, eHTMLTag_paragraph,
|
||||
eHTMLTag_quotation, eHTMLTag_strike, eHTMLTag_samp, eHTMLTag_script,
|
||||
eHTMLTag_select, eHTMLTag_small, eHTMLTag_span, eHTMLTag_strong,
|
||||
eHTMLTag_sub, eHTMLTag_sup, eHTMLTag_tt, eHTMLTag_textarea,
|
||||
eHTMLTag_u, eHTMLTag_var,0};
|
||||
|
||||
//tagset3 has 53 members...
|
||||
static char gTagSet3[]={
|
||||
eHTMLTag_a, eHTMLTag_acronym, eHTMLTag_applet, eHTMLTag_bold,
|
||||
eHTMLTag_bdo, eHTMLTag_big, eHTMLTag_br, eHTMLTag_blockquote,
|
||||
eHTMLTag_body, eHTMLTag_caption, eHTMLTag_center, eHTMLTag_cite,
|
||||
eHTMLTag_code, eHTMLTag_dd, eHTMLTag_del, eHTMLTag_dfn,
|
||||
eHTMLTag_div, eHTMLTag_dt, eHTMLTag_em, eHTMLTag_fieldset,
|
||||
eHTMLTag_font, eHTMLTag_form, eHTMLTag_h1, eHTMLTag_h2,
|
||||
eHTMLTag_h3, eHTMLTag_h4, eHTMLTag_h5, eHTMLTag_h6,
|
||||
eHTMLTag_italic, eHTMLTag_iframe, eHTMLTag_ins, eHTMLTag_kbd,
|
||||
eHTMLTag_label, eHTMLTag_legend, eHTMLTag_listitem, eHTMLTag_noframes,
|
||||
eHTMLTag_noscript, eHTMLTag_object, eHTMLTag_paragraph, eHTMLTag_pre,
|
||||
eHTMLTag_quotation, eHTMLTag_strike, eHTMLTag_samp, eHTMLTag_small,
|
||||
eHTMLTag_span, eHTMLTag_strong, eHTMLTag_sub, eHTMLTag_sup,
|
||||
eHTMLTag_td, eHTMLTag_th, eHTMLTag_tt, eHTMLTag_u,
|
||||
eHTMLTag_var,0};
|
||||
|
||||
//This hack code is here because we don't yet know what to do
|
||||
//with userdefined tags... XXX Hack
|
||||
if(eHTMLTag_userdefined==aChild) // XXX Hack: For now...
|
||||
result=PR_TRUE;
|
||||
|
||||
switch(aParent) {
|
||||
case eHTMLTag_a:
|
||||
result=PRBool(0!=strchr(gTagSet2,aChild)); break;
|
||||
|
||||
case eHTMLTag_acronym:
|
||||
result=PRBool(0!=strchr(gTagSet1,aChild)); break;
|
||||
|
||||
case eHTMLTag_address:
|
||||
result=PRBool(0!=strchr(gTagSet2,aChild)); break;
|
||||
|
||||
case eHTMLTag_applet:
|
||||
{
|
||||
static char okTags[]={
|
||||
eHTMLTag_a, eHTMLTag_acronym, eHTMLTag_applet, eHTMLTag_bold,
|
||||
eHTMLTag_basefont,eHTMLTag_bdo, eHTMLTag_big, eHTMLTag_br,
|
||||
eHTMLTag_button, eHTMLTag_cite, eHTMLTag_code, eHTMLTag_dfn,
|
||||
eHTMLTag_em, eHTMLTag_font, eHTMLTag_italic, eHTMLTag_iframe,
|
||||
eHTMLTag_img, eHTMLTag_input, eHTMLTag_kbd, eHTMLTag_label,
|
||||
eHTMLTag_map, eHTMLTag_object, eHTMLTag_param, eHTMLTag_quotation,
|
||||
eHTMLTag_samp, eHTMLTag_script, eHTMLTag_select, eHTMLTag_small,
|
||||
eHTMLTag_span, eHTMLTag_strike, eHTMLTag_strong, eHTMLTag_sub,
|
||||
eHTMLTag_sup, eHTMLTag_textarea, eHTMLTag_tt, eHTMLTag_u,
|
||||
eHTMLTag_var,0};
|
||||
result=PRBool(0!=strchr(okTags,aChild));
|
||||
}
|
||||
|
||||
|
||||
case eHTMLTag_area:
|
||||
case eHTMLTag_base:
|
||||
case eHTMLTag_basefont:
|
||||
case eHTMLTag_br:
|
||||
break; //singletons can't contain other tags
|
||||
|
||||
case eHTMLTag_bdo:
|
||||
case eHTMLTag_big:
|
||||
case eHTMLTag_blink:
|
||||
case eHTMLTag_bold:
|
||||
result=PRBool(0!=strchr(gTagSet2,aChild)); break;
|
||||
|
||||
case eHTMLTag_blockquote:
|
||||
case eHTMLTag_body:
|
||||
if(eHTMLTag_userdefined==aChild)
|
||||
result=PR_TRUE;
|
||||
else result=PRBool(0!=strchr(gTagSet1,aChild));
|
||||
break;
|
||||
|
||||
case eHTMLTag_button:
|
||||
result=PRBool(0!=strchr(gTagSet3,aChild)); break;
|
||||
|
||||
case eHTMLTag_caption:
|
||||
result=PRBool(0!=strchr(gTagSet2,aChild)); break;
|
||||
|
||||
case eHTMLTag_center:
|
||||
result=PRBool(0!=strchr(gTagSet1,aChild)); break;
|
||||
|
||||
case eHTMLTag_cite: case eHTMLTag_code:
|
||||
result=PRBool(0!=strchr(gTagSet2,aChild)); break;
|
||||
|
||||
case eHTMLTag_col:
|
||||
case eHTMLTag_colgroup:
|
||||
break; //singletons can't contain anything...
|
||||
|
||||
case eHTMLTag_dd:
|
||||
result=PRBool(0!=strchr(gTagSet1,aChild)); break;
|
||||
|
||||
case eHTMLTag_del: case eHTMLTag_dfn:
|
||||
result=PRBool(0!=strchr(gTagSet2,aChild)); break;
|
||||
|
||||
case eHTMLTag_div:
|
||||
result=PRBool(0!=strchr(gTagSet1,aChild)); break;
|
||||
|
||||
case eHTMLTag_dl:
|
||||
{
|
||||
char okTags[]={eHTMLTag_dd,eHTMLTag_dt,0};
|
||||
result=PRBool(0!=strchr(okTags,aChild));
|
||||
}
|
||||
break;
|
||||
|
||||
case eHTMLTag_dt:
|
||||
break; //singletons can't contain anything...
|
||||
|
||||
case eHTMLTag_em:
|
||||
result=PRBool(0!=strchr(gTagSet2,aChild)); break;
|
||||
|
||||
case eHTMLTag_fieldset:
|
||||
if(eHTMLTag_legend==aChild)
|
||||
result=PR_TRUE;
|
||||
else result=PRBool(0!=strchr(gTagSet1,aChild));
|
||||
break;
|
||||
|
||||
case eHTMLTag_font:
|
||||
result=PRBool(0!=strchr(gTagSet2,aChild)); break;
|
||||
|
||||
case eHTMLTag_form:
|
||||
result=PRBool(0!=strchr(gTagSet1,aChild)); break;
|
||||
|
||||
case eHTMLTag_frame:
|
||||
break; //singletons can't contain other tags
|
||||
|
||||
case eHTMLTag_frameset:
|
||||
{
|
||||
static char okTags[]={eHTMLTag_frame,eHTMLTag_frameset,eHTMLTag_noframes,0};
|
||||
result=PRBool(0!=strchr(okTags,aChild));
|
||||
}
|
||||
|
||||
case eHTMLTag_h1: case eHTMLTag_h2:
|
||||
case eHTMLTag_h3: case eHTMLTag_h4:
|
||||
case eHTMLTag_h5: case eHTMLTag_h6:
|
||||
result=PRBool(0!=strchr(gTagSet1,aChild)); break;
|
||||
|
||||
case eHTMLTag_head:
|
||||
{
|
||||
static char okTags[]={
|
||||
eHTMLTag_base, eHTMLTag_isindex, eHTMLTag_link, eHTMLTag_meta,
|
||||
eHTMLTag_script,eHTMLTag_style, eHTMLTag_title, 0};
|
||||
result=PRBool(0!=strchr(okTags,aChild));
|
||||
}
|
||||
break;
|
||||
|
||||
case eHTMLTag_hr:
|
||||
break; //singletons can't contain anything...
|
||||
|
||||
case eHTMLTag_html:
|
||||
{
|
||||
static char okTags[]={eHTMLTag_body,eHTMLTag_frameset,eHTMLTag_head,0};
|
||||
result=PRBool(0!=strchr(okTags,aChild));
|
||||
}
|
||||
break;
|
||||
|
||||
case eHTMLTag_iframe:
|
||||
result=PRBool(0!=strchr(gTagSet1,aChild)); break;
|
||||
|
||||
case eHTMLTag_img:
|
||||
case eHTMLTag_input:
|
||||
case eHTMLTag_isindex:
|
||||
case eHTMLTag_spacer:
|
||||
case eHTMLTag_wbr:
|
||||
break; //singletons can't contain anything...
|
||||
|
||||
case eHTMLTag_italic:
|
||||
case eHTMLTag_ins:
|
||||
case eHTMLTag_kbd:
|
||||
case eHTMLTag_label:
|
||||
case eHTMLTag_legend:
|
||||
result=PRBool(0!=strchr(gTagSet2,aChild)); break;
|
||||
|
||||
case eHTMLTag_layer:
|
||||
break;
|
||||
|
||||
case eHTMLTag_link:
|
||||
break; //singletons can't contain anything...
|
||||
|
||||
// XXX hey rickg: listing is like xmp or plaintext and has
|
||||
// NOTHING to do with html lists.
|
||||
case eHTMLTag_listing:
|
||||
result=PRBool(eHTMLTag_listitem==aChild); break;
|
||||
|
||||
case eHTMLTag_map:
|
||||
result=PRBool(eHTMLTag_area==aChild); break;
|
||||
|
||||
case eHTMLTag_marquee:
|
||||
result=PRBool(0!=strchr(gTagSet2,aChild)); break;
|
||||
|
||||
case eHTMLTag_math:
|
||||
break; //nothing but plain text...
|
||||
|
||||
case eHTMLTag_meta:
|
||||
break; //singletons can't contain other tags
|
||||
|
||||
case eHTMLTag_noframes:
|
||||
if(eHTMLTag_body==aChild)
|
||||
result=PR_TRUE;
|
||||
else result=PRBool(0!=strchr(gTagSet1,aChild));
|
||||
break;
|
||||
|
||||
case eHTMLTag_noscript:
|
||||
result=PRBool(0!=strchr(gTagSet1,aChild)); break;
|
||||
|
||||
case eHTMLTag_note:
|
||||
|
||||
case eHTMLTag_object:
|
||||
result=PRBool(0!=strchr(gTagSet2,aChild)); break;
|
||||
|
||||
case eHTMLTag_menu:
|
||||
case eHTMLTag_dir:
|
||||
case eHTMLTag_ol:
|
||||
case eHTMLTag_ul:
|
||||
// XXX kipp was here
|
||||
result = PR_TRUE;
|
||||
break;
|
||||
|
||||
case eHTMLTag_listitem:
|
||||
if (eHTMLTag_listitem == aChild) {
|
||||
return PR_FALSE;
|
||||
}
|
||||
result = PR_TRUE;
|
||||
break;
|
||||
|
||||
case eHTMLTag_option:
|
||||
break; //singletons can't contain other tags
|
||||
|
||||
case eHTMLTag_paragraph:
|
||||
if(eHTMLTag_paragraph==aChild)
|
||||
result=PR_FALSE;
|
||||
else result=PRBool(0!=strchr(gTagSet2,aChild));
|
||||
break;
|
||||
|
||||
case eHTMLTag_param:
|
||||
break; //singletons can't contain other tags
|
||||
|
||||
case eHTMLTag_plaintext:
|
||||
break;
|
||||
|
||||
case eHTMLTag_pre:
|
||||
case eHTMLTag_quotation:
|
||||
result=PRBool(0!=strchr(gTagSet2,aChild)); break;
|
||||
|
||||
case eHTMLTag_strike:
|
||||
result=PRBool(0!=strchr(gTagSet2,aChild)); break;
|
||||
|
||||
case eHTMLTag_script:
|
||||
break; //unadorned script text...
|
||||
|
||||
case eHTMLTag_select:
|
||||
result=PRBool(eHTMLTag_option==aChild); break;
|
||||
|
||||
case eHTMLTag_small:
|
||||
result=PRBool(0!=strchr(gTagSet2,aChild)); break;
|
||||
|
||||
case eHTMLTag_span:
|
||||
result=PRBool(0!=strchr(gTagSet1,aChild)); break;
|
||||
|
||||
case eHTMLTag_style:
|
||||
break; //singletons can't contain other tags
|
||||
|
||||
case eHTMLTag_strong:
|
||||
case eHTMLTag_samp:
|
||||
case eHTMLTag_sub:
|
||||
case eHTMLTag_sup:
|
||||
result=PRBool(0!=strchr(gTagSet1,aChild)); break;
|
||||
|
||||
case eHTMLTag_table:
|
||||
{
|
||||
static char okTags[]={
|
||||
eHTMLTag_caption, eHTMLTag_col, eHTMLTag_colgroup,eHTMLTag_tbody,
|
||||
eHTMLTag_tfoot, eHTMLTag_tr, eHTMLTag_thead, 0};
|
||||
result=PRBool(0!=strchr(okTags,aChild));
|
||||
}
|
||||
break;
|
||||
|
||||
case eHTMLTag_tbody:
|
||||
case eHTMLTag_tfoot:
|
||||
case eHTMLTag_thead:
|
||||
result=PRBool(eHTMLTag_tr==aChild); break;
|
||||
|
||||
case eHTMLTag_td:
|
||||
case eHTMLTag_th:
|
||||
result=PRBool(0!=strchr(gTagSet1,aChild));
|
||||
break;
|
||||
|
||||
case eHTMLTag_textarea:
|
||||
case eHTMLTag_title:
|
||||
break; //nothing but plain text...
|
||||
|
||||
case eHTMLTag_tr:
|
||||
{
|
||||
static char okTags[]={eHTMLTag_td,eHTMLTag_th,0};
|
||||
result=PRBool(0!=strchr(okTags,aChild));
|
||||
}
|
||||
break;
|
||||
|
||||
case eHTMLTag_tt:
|
||||
case eHTMLTag_u:
|
||||
result=PRBool(0!=strchr(gTagSet2,aChild)); break;
|
||||
|
||||
case eHTMLTag_var:
|
||||
result=PRBool(0!=strchr(gTagSet2,aChild)); break;
|
||||
|
||||
case eHTMLTag_userdefined:
|
||||
result=PR_TRUE; break; //XXX for now...
|
||||
|
||||
case eHTMLTag_xmp:
|
||||
default:
|
||||
break;
|
||||
} //switch
|
||||
return result;
|
||||
}
|
||||
|
||||
|
||||
/** ------------------------------------------------------
|
||||
* This method is called to determine whether or not a tag
|
||||
* of one type can contain a tag of another type.
|
||||
*
|
||||
* @update gess 4/8/98
|
||||
* @param aParent -- tag enum of parent container
|
||||
* @param aChild -- tag enum of child container
|
||||
* @return PR_TRUE if parent can contain child
|
||||
*/ //----------------------------------------------------
|
||||
PRBool nsHTMLDTD::CanContainIndirect(PRInt32 aParent,PRInt32 aChild) const {
|
||||
PRBool result=PR_FALSE;
|
||||
|
||||
switch(aParent) {
|
||||
|
||||
case eHTMLTag_html:
|
||||
{
|
||||
static char okTags[]={
|
||||
eHTMLTag_head, eHTMLTag_body,
|
||||
eHTMLTag_header, eHTMLTag_footer,0
|
||||
};
|
||||
result=PRBool(0!=strchr(okTags,aChild));
|
||||
}
|
||||
|
||||
case eHTMLTag_body:
|
||||
result=PR_TRUE; break;
|
||||
|
||||
case eHTMLTag_table:
|
||||
{
|
||||
static char okTags[]={
|
||||
eHTMLTag_caption, eHTMLTag_colgroup,
|
||||
eHTMLTag_tbody, eHTMLTag_tfoot,
|
||||
eHTMLTag_thead, eHTMLTag_tr,
|
||||
eHTMLTag_td, eHTMLTag_th,
|
||||
eHTMLTag_col, 0};
|
||||
result=PRBool(0!=strchr(okTags,aChild));
|
||||
}
|
||||
break;
|
||||
|
||||
result=PR_TRUE; break;
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
/** -------------------------------------------------------
|
||||
* This method gets called to determine whether a given
|
||||
* tag can contain newlines. Most do not.
|
||||
*
|
||||
* @update gess 3/25/98
|
||||
* @param aTag -- tag to test for containership
|
||||
* @return PR_TRUE if given tag can contain other tags
|
||||
*/ //----------------------------------------------------
|
||||
PRBool nsHTMLDTD::CanOmit(PRInt32 aParent,PRInt32 aChild) const {
|
||||
PRBool result=PR_FALSE;
|
||||
|
||||
switch((eHTMLTags)aParent) {
|
||||
case eHTMLTag_tr:
|
||||
case eHTMLTag_table:
|
||||
case eHTMLTag_thead:
|
||||
case eHTMLTag_tfoot:
|
||||
case eHTMLTag_tbody:
|
||||
case eHTMLTag_col:
|
||||
case eHTMLTag_colgroup:
|
||||
if((aChild==eHTMLTag_newline) ||
|
||||
(aChild==eHTMLTag_whitespace))
|
||||
result=PR_TRUE;
|
||||
break;
|
||||
|
||||
default:
|
||||
result=PR_FALSE;
|
||||
break;
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
/** -------------------------------------------------------
|
||||
* This method gets called to determine whether a given
|
||||
* tag is itself a container
|
||||
*
|
||||
* @update gess 4/8/98
|
||||
* @param aTag -- tag to test for containership
|
||||
* @return PR_TRUE if given tag can contain other tags
|
||||
*/ //----------------------------------------------------
|
||||
PRBool nsHTMLDTD::IsContainer(PRInt32 aTag) const {
|
||||
PRBool result=PR_FALSE;
|
||||
|
||||
switch(aTag){
|
||||
case eHTMLTag_area: case eHTMLTag_base:
|
||||
case eHTMLTag_basefont: case eHTMLTag_br:
|
||||
case eHTMLTag_col: case eHTMLTag_colgroup:
|
||||
case eHTMLTag_frame:
|
||||
case eHTMLTag_hr: case eHTMLTag_img:
|
||||
case eHTMLTag_input: case eHTMLTag_isindex:
|
||||
case eHTMLTag_link:
|
||||
case eHTMLTag_math: case eHTMLTag_meta:
|
||||
case eHTMLTag_option: case eHTMLTag_param:
|
||||
case eHTMLTag_style: case eHTMLTag_spacer:
|
||||
case eHTMLTag_textarea:
|
||||
case eHTMLTag_wbr:
|
||||
case eHTMLTag_form:
|
||||
result=PR_FALSE;
|
||||
break;
|
||||
|
||||
default:
|
||||
result=PR_TRUE;
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
/*-------------------------------------------------------
|
||||
* This method does two things: 1st, help construct
|
||||
* our own internal model of the content-stack; and
|
||||
* 2nd, pass this message on to the sink.
|
||||
* @update gess4/6/98
|
||||
* @param aNode -- next node to be added to model
|
||||
* @return TRUE if ok, FALSE if error
|
||||
*------------------------------------------------------*/
|
||||
PRInt32 nsHTMLDTD::GetDefaultParentTagFor(PRInt32 aTag) const{
|
||||
eHTMLTags result=eHTMLTag_unknown;
|
||||
switch(aTag) {
|
||||
case eHTMLTag_html:
|
||||
result=(eHTMLTags)kNotFound; break;
|
||||
|
||||
case eHTMLTag_body:
|
||||
case eHTMLTag_head:
|
||||
case eHTMLTag_header:
|
||||
case eHTMLTag_footer:
|
||||
case eHTMLTag_frameset:
|
||||
result=eHTMLTag_html; break;
|
||||
|
||||
//These tags are head specific...
|
||||
case eHTMLTag_style:
|
||||
case eHTMLTag_meta:
|
||||
case eHTMLTag_title:
|
||||
case eHTMLTag_base:
|
||||
case eHTMLTag_link:
|
||||
result=eHTMLTag_head; break;
|
||||
|
||||
//These tags are table specific...
|
||||
case eHTMLTag_caption:
|
||||
case eHTMLTag_colgroup:
|
||||
case eHTMLTag_tbody:
|
||||
case eHTMLTag_tfoot:
|
||||
case eHTMLTag_thead:
|
||||
case eHTMLTag_tr:
|
||||
result=eHTMLTag_table; break;
|
||||
|
||||
case eHTMLTag_td:
|
||||
case eHTMLTag_th:
|
||||
result=eHTMLTag_tr; break;
|
||||
|
||||
case eHTMLTag_col:
|
||||
result=eHTMLTag_colgroup; break;
|
||||
|
||||
//These have to do with listings...
|
||||
case eHTMLTag_listitem:
|
||||
result=eHTMLTag_ul; break;
|
||||
|
||||
case eHTMLTag_dd:
|
||||
case eHTMLTag_dt:
|
||||
result=eHTMLTag_dl; break;
|
||||
|
||||
case eHTMLTag_option:
|
||||
result=eHTMLTag_select; break;
|
||||
|
||||
//These have to do with image maps...
|
||||
case eHTMLTag_area:
|
||||
result=eHTMLTag_map; break;
|
||||
|
||||
//These have to do with applets...
|
||||
case eHTMLTag_param:
|
||||
result=eHTMLTag_applet; break;
|
||||
|
||||
//These have to do with frames...
|
||||
case eHTMLTag_frame:
|
||||
result=eHTMLTag_frameset; break;
|
||||
|
||||
default:
|
||||
result=eHTMLTag_body; //XXX Hack! Just for now.
|
||||
break;
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
|
||||
/** ------------------------------------------------------
|
||||
* This method gets called at various times by the parser
|
||||
* whenever we want to verify a valid context stack. This
|
||||
* method also gives us a hook to add debugging metrics.
|
||||
*
|
||||
* @update gess4/6/98
|
||||
* @param aStack[] array of ints (tokens)
|
||||
* @param aCount number of elements in given array
|
||||
* @return TRUE if stack is valid, else FALSE
|
||||
*/ //-----------------------------------------------------
|
||||
PRBool nsHTMLDTD::VerifyContextStack(eHTMLTags aStack[],PRInt32 aCount) const {
|
||||
PRBool result=PR_TRUE;
|
||||
|
||||
if(aCount>0) {
|
||||
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
/** -------------------------------------------------------
|
||||
* This method tries to design a context map (without actually
|
||||
* changing our parser state) from the parent down to the
|
||||
* child.
|
||||
*
|
||||
* @update gess4/6/98
|
||||
* @param aParent -- tag type of parent
|
||||
* @param aChild -- tag type of child
|
||||
* @return Non zero count of intermediate nodes;
|
||||
* 0 if unable to comply
|
||||
*/ //----------------------------------------------------
|
||||
PRInt32 nsHTMLDTD::ForwardPropagate(PRInt32 aVector[],PRInt32 aParent,PRInt32 aChild) const{
|
||||
int result=0;
|
||||
return result;
|
||||
}
|
||||
|
||||
/** -------------------------------------------------------
|
||||
* This method tries to design a context map (without actually
|
||||
* changing our parser state) from the child up to the parent.
|
||||
*
|
||||
* @update gess4/6/98
|
||||
* @param aParent -- tag type of parent
|
||||
* @param aChild -- tag type of child
|
||||
* @return Non zero count of intermediate nodes;
|
||||
* 0 if unable to comply
|
||||
*/ //----------------------------------------------------
|
||||
PRInt32 nsHTMLDTD::BackwardPropagate(PRInt32 aVector[],PRInt32 aParent,PRInt32 aChild) const{
|
||||
int result=0;
|
||||
return result;
|
||||
}
|
||||
|
|
@ -1,704 +0,0 @@
|
|||
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
||||
/*
|
||||
* The contents of this file are subject to the Netscape Public License
|
||||
* Version 1.0 (the "NPL"); you may not use this file except in
|
||||
* compliance with the NPL. You may obtain a copy of the NPL at
|
||||
* http://www.mozilla.org/NPL/
|
||||
*
|
||||
* Software distributed under the NPL is distributed on an "AS IS" basis,
|
||||
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
|
||||
* for the specific language governing rights and limitations under the
|
||||
* NPL.
|
||||
*
|
||||
* The Initial Developer of this code under the NPL is Netscape
|
||||
* Communications Corporation. Portions created by Netscape are
|
||||
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
|
||||
* Reserved.
|
||||
*/
|
||||
|
||||
/**
|
||||
* MODULE NOTES:
|
||||
* @update gess 4/8/98
|
||||
*
|
||||
*
|
||||
*/
|
||||
|
||||
#include "nsHTMLDTD.h"
|
||||
#include "nsHTMLTokens.h"
|
||||
#include "nsCRT.h"
|
||||
#include "nsParserTypes.h"
|
||||
|
||||
static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
|
||||
static NS_DEFINE_IID(kClassIID, NS_IHTML_DTD_IID);
|
||||
static NS_DEFINE_IID(kIDTDIID, NS_IDTD_IID);
|
||||
|
||||
|
||||
|
||||
/**-------------------------------------------------------
|
||||
* This method gets called as part of our COM-like interfaces.
|
||||
* Its purpose is to create an interface to parser object
|
||||
* of some type.
|
||||
*
|
||||
* @update gess 4/8/98
|
||||
* @param nsIID id of object to discover
|
||||
* @param aInstancePtr ptr to newly discovered interface
|
||||
* @return NS_xxx result code
|
||||
*------------------------------------------------------*/
|
||||
nsresult nsHTMLDTD::QueryInterface(const nsIID& aIID, void** aInstancePtr)
|
||||
{
|
||||
if (NULL == aInstancePtr) {
|
||||
return NS_ERROR_NULL_POINTER;
|
||||
}
|
||||
|
||||
if(aIID.Equals(kISupportsIID)) { //do IUnknown...
|
||||
*aInstancePtr = (nsIDTD*)(this);
|
||||
}
|
||||
else if(aIID.Equals(kIDTDIID)) { //do IParser base class...
|
||||
*aInstancePtr = (nsIDTD*)(this);
|
||||
}
|
||||
else if(aIID.Equals(kClassIID)) { //do this class...
|
||||
*aInstancePtr = (nsHTMLDTD*)(this);
|
||||
}
|
||||
else {
|
||||
*aInstancePtr=0;
|
||||
return NS_NOINTERFACE;
|
||||
}
|
||||
((nsISupports*) *aInstancePtr)->AddRef();
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
/**-------------------------------------------------------
|
||||
* This method is defined in nsIParser. It is used to
|
||||
* cause the COM-like construction of an nsHTMLParser.
|
||||
*
|
||||
* @update gess 4/8/98
|
||||
* @param nsIParser** ptr to newly instantiated parser
|
||||
* @return NS_xxx error result
|
||||
*------------------------------------------------------*/
|
||||
NS_HTMLPARS nsresult NS_NewHTMLDTD(nsIDTD** aInstancePtrResult)
|
||||
{
|
||||
nsHTMLDTD* it = new nsHTMLDTD();
|
||||
|
||||
if (it == 0) {
|
||||
return NS_ERROR_OUT_OF_MEMORY;
|
||||
}
|
||||
|
||||
return it->QueryInterface(kClassIID, (void **) aInstancePtrResult);
|
||||
}
|
||||
|
||||
|
||||
NS_IMPL_ADDREF(nsHTMLDTD)
|
||||
NS_IMPL_RELEASE(nsHTMLDTD)
|
||||
|
||||
|
||||
/**-------------------------------------------------------
|
||||
* Default constructor
|
||||
*
|
||||
* @update gess 4/9/98
|
||||
* @param
|
||||
* @return
|
||||
*------------------------------------------------------*/
|
||||
nsHTMLDTD::nsHTMLDTD(){
|
||||
}
|
||||
|
||||
/**-------------------------------------------------------
|
||||
* Default destructor
|
||||
*
|
||||
* @update gess 4/9/98
|
||||
* @param
|
||||
* @return
|
||||
*------------------------------------------------------*/
|
||||
nsHTMLDTD::~nsHTMLDTD(){
|
||||
}
|
||||
|
||||
/** ------------------------------------------------------
|
||||
* This method is called to determine whether or not a tag
|
||||
* of one type can contain a tag of another type.
|
||||
*
|
||||
* @update gess 4/8/98
|
||||
* @param aParent -- tag enum of parent container
|
||||
* @param aChild -- tag enum of child container
|
||||
* @return PR_TRUE if parent can contain child
|
||||
*/ //----------------------------------------------------
|
||||
PRBool nsHTMLDTD::CanContain(PRInt32 aParent,PRInt32 aChild) const {
|
||||
PRBool result=PR_FALSE;
|
||||
|
||||
//tagset1 has 61 members...
|
||||
static char gTagSet1[]={
|
||||
eHTMLTag_a, eHTMLTag_acronym, eHTMLTag_address, eHTMLTag_applet,
|
||||
eHTMLTag_bold, eHTMLTag_basefont, eHTMLTag_bdo, eHTMLTag_big,
|
||||
eHTMLTag_blockquote,eHTMLTag_br, eHTMLTag_button, eHTMLTag_center,
|
||||
eHTMLTag_cite, eHTMLTag_code, eHTMLTag_dfn, eHTMLTag_dir,
|
||||
eHTMLTag_div, eHTMLTag_dl, eHTMLTag_em, eHTMLTag_fieldset,
|
||||
eHTMLTag_font, eHTMLTag_form, eHTMLTag_h1, eHTMLTag_h2,
|
||||
eHTMLTag_h3, eHTMLTag_h4, eHTMLTag_h5, eHTMLTag_h6,
|
||||
eHTMLTag_hr, eHTMLTag_italic, eHTMLTag_iframe, eHTMLTag_img,
|
||||
eHTMLTag_input, eHTMLTag_isindex, eHTMLTag_kbd, eHTMLTag_label,
|
||||
eHTMLTag_map, eHTMLTag_menu, eHTMLTag_noframes, eHTMLTag_noscript,
|
||||
eHTMLTag_object, eHTMLTag_ol, eHTMLTag_paragraph, eHTMLTag_pre,
|
||||
eHTMLTag_quotation, eHTMLTag_strike, eHTMLTag_samp, eHTMLTag_script,
|
||||
eHTMLTag_select, eHTMLTag_small, eHTMLTag_span, eHTMLTag_strong,
|
||||
eHTMLTag_sub, eHTMLTag_sup, eHTMLTag_table, eHTMLTag_textarea,
|
||||
eHTMLTag_tt, eHTMLTag_u, eHTMLTag_ul, eHTMLTag_userdefined,
|
||||
eHTMLTag_var, 0};
|
||||
|
||||
//tagset2 has 37 members...
|
||||
static char gTagSet2[]={
|
||||
eHTMLTag_a, eHTMLTag_acronym, eHTMLTag_applet, eHTMLTag_bold,
|
||||
eHTMLTag_basefont, eHTMLTag_bdo, eHTMLTag_big, eHTMLTag_br,
|
||||
eHTMLTag_button, eHTMLTag_cite, eHTMLTag_code, eHTMLTag_dfn,
|
||||
eHTMLTag_em, eHTMLTag_font, eHTMLTag_hr, eHTMLTag_italic,
|
||||
eHTMLTag_iframe, eHTMLTag_img, eHTMLTag_input, eHTMLTag_kbd,
|
||||
eHTMLTag_label, eHTMLTag_map, eHTMLTag_object, eHTMLTag_paragraph,
|
||||
eHTMLTag_quotation, eHTMLTag_strike, eHTMLTag_samp, eHTMLTag_script,
|
||||
eHTMLTag_select, eHTMLTag_small, eHTMLTag_span, eHTMLTag_strong,
|
||||
eHTMLTag_sub, eHTMLTag_sup, eHTMLTag_tt, eHTMLTag_textarea,
|
||||
eHTMLTag_u, eHTMLTag_var,0};
|
||||
|
||||
//tagset3 has 53 members...
|
||||
static char gTagSet3[]={
|
||||
eHTMLTag_a, eHTMLTag_acronym, eHTMLTag_applet, eHTMLTag_bold,
|
||||
eHTMLTag_bdo, eHTMLTag_big, eHTMLTag_br, eHTMLTag_blockquote,
|
||||
eHTMLTag_body, eHTMLTag_caption, eHTMLTag_center, eHTMLTag_cite,
|
||||
eHTMLTag_code, eHTMLTag_dd, eHTMLTag_del, eHTMLTag_dfn,
|
||||
eHTMLTag_div, eHTMLTag_dt, eHTMLTag_em, eHTMLTag_fieldset,
|
||||
eHTMLTag_font, eHTMLTag_form, eHTMLTag_h1, eHTMLTag_h2,
|
||||
eHTMLTag_h3, eHTMLTag_h4, eHTMLTag_h5, eHTMLTag_h6,
|
||||
eHTMLTag_italic, eHTMLTag_iframe, eHTMLTag_ins, eHTMLTag_kbd,
|
||||
eHTMLTag_label, eHTMLTag_legend, eHTMLTag_listitem, eHTMLTag_noframes,
|
||||
eHTMLTag_noscript, eHTMLTag_object, eHTMLTag_paragraph, eHTMLTag_pre,
|
||||
eHTMLTag_quotation, eHTMLTag_strike, eHTMLTag_samp, eHTMLTag_small,
|
||||
eHTMLTag_span, eHTMLTag_strong, eHTMLTag_sub, eHTMLTag_sup,
|
||||
eHTMLTag_td, eHTMLTag_th, eHTMLTag_tt, eHTMLTag_u,
|
||||
eHTMLTag_var,0};
|
||||
|
||||
//This hack code is here because we don't yet know what to do
|
||||
//with userdefined tags... XXX Hack
|
||||
if(eHTMLTag_userdefined==aChild) // XXX Hack: For now...
|
||||
result=PR_TRUE;
|
||||
|
||||
switch(aParent) {
|
||||
case eHTMLTag_a:
|
||||
result=PRBool(0!=strchr(gTagSet2,aChild)); break;
|
||||
|
||||
case eHTMLTag_acronym:
|
||||
result=PRBool(0!=strchr(gTagSet1,aChild)); break;
|
||||
|
||||
case eHTMLTag_address:
|
||||
result=PRBool(0!=strchr(gTagSet2,aChild)); break;
|
||||
|
||||
case eHTMLTag_applet:
|
||||
{
|
||||
static char okTags[]={
|
||||
eHTMLTag_a, eHTMLTag_acronym, eHTMLTag_applet, eHTMLTag_bold,
|
||||
eHTMLTag_basefont,eHTMLTag_bdo, eHTMLTag_big, eHTMLTag_br,
|
||||
eHTMLTag_button, eHTMLTag_cite, eHTMLTag_code, eHTMLTag_dfn,
|
||||
eHTMLTag_em, eHTMLTag_font, eHTMLTag_italic, eHTMLTag_iframe,
|
||||
eHTMLTag_img, eHTMLTag_input, eHTMLTag_kbd, eHTMLTag_label,
|
||||
eHTMLTag_map, eHTMLTag_object, eHTMLTag_param, eHTMLTag_quotation,
|
||||
eHTMLTag_samp, eHTMLTag_script, eHTMLTag_select, eHTMLTag_small,
|
||||
eHTMLTag_span, eHTMLTag_strike, eHTMLTag_strong, eHTMLTag_sub,
|
||||
eHTMLTag_sup, eHTMLTag_textarea, eHTMLTag_tt, eHTMLTag_u,
|
||||
eHTMLTag_var,0};
|
||||
result=PRBool(0!=strchr(okTags,aChild));
|
||||
}
|
||||
|
||||
|
||||
case eHTMLTag_area:
|
||||
case eHTMLTag_base:
|
||||
case eHTMLTag_basefont:
|
||||
case eHTMLTag_br:
|
||||
break; //singletons can't contain other tags
|
||||
|
||||
case eHTMLTag_bdo:
|
||||
case eHTMLTag_big:
|
||||
case eHTMLTag_blink:
|
||||
case eHTMLTag_bold:
|
||||
result=PRBool(0!=strchr(gTagSet2,aChild)); break;
|
||||
|
||||
case eHTMLTag_blockquote:
|
||||
case eHTMLTag_body:
|
||||
if(eHTMLTag_userdefined==aChild)
|
||||
result=PR_TRUE;
|
||||
else result=PRBool(0!=strchr(gTagSet1,aChild));
|
||||
break;
|
||||
|
||||
case eHTMLTag_button:
|
||||
result=PRBool(0!=strchr(gTagSet3,aChild)); break;
|
||||
|
||||
case eHTMLTag_caption:
|
||||
result=PRBool(0!=strchr(gTagSet2,aChild)); break;
|
||||
|
||||
case eHTMLTag_center:
|
||||
result=PRBool(0!=strchr(gTagSet1,aChild)); break;
|
||||
|
||||
case eHTMLTag_cite: case eHTMLTag_code:
|
||||
result=PRBool(0!=strchr(gTagSet2,aChild)); break;
|
||||
|
||||
case eHTMLTag_col:
|
||||
case eHTMLTag_colgroup:
|
||||
break; //singletons can't contain anything...
|
||||
|
||||
case eHTMLTag_dd:
|
||||
result=PRBool(0!=strchr(gTagSet1,aChild)); break;
|
||||
|
||||
case eHTMLTag_del: case eHTMLTag_dfn:
|
||||
result=PRBool(0!=strchr(gTagSet2,aChild)); break;
|
||||
|
||||
case eHTMLTag_div:
|
||||
result=PRBool(0!=strchr(gTagSet1,aChild)); break;
|
||||
|
||||
case eHTMLTag_dl:
|
||||
{
|
||||
char okTags[]={eHTMLTag_dd,eHTMLTag_dt,0};
|
||||
result=PRBool(0!=strchr(okTags,aChild));
|
||||
}
|
||||
break;
|
||||
|
||||
case eHTMLTag_dt:
|
||||
break; //singletons can't contain anything...
|
||||
|
||||
case eHTMLTag_em:
|
||||
result=PRBool(0!=strchr(gTagSet2,aChild)); break;
|
||||
|
||||
case eHTMLTag_fieldset:
|
||||
if(eHTMLTag_legend==aChild)
|
||||
result=PR_TRUE;
|
||||
else result=PRBool(0!=strchr(gTagSet1,aChild));
|
||||
break;
|
||||
|
||||
case eHTMLTag_font:
|
||||
result=PRBool(0!=strchr(gTagSet2,aChild)); break;
|
||||
|
||||
case eHTMLTag_form:
|
||||
result=PRBool(0!=strchr(gTagSet1,aChild)); break;
|
||||
|
||||
case eHTMLTag_frame:
|
||||
break; //singletons can't contain other tags
|
||||
|
||||
case eHTMLTag_frameset:
|
||||
{
|
||||
static char okTags[]={eHTMLTag_frame,eHTMLTag_frameset,eHTMLTag_noframes,0};
|
||||
result=PRBool(0!=strchr(okTags,aChild));
|
||||
}
|
||||
|
||||
case eHTMLTag_h1: case eHTMLTag_h2:
|
||||
case eHTMLTag_h3: case eHTMLTag_h4:
|
||||
case eHTMLTag_h5: case eHTMLTag_h6:
|
||||
result=PRBool(0!=strchr(gTagSet1,aChild)); break;
|
||||
|
||||
case eHTMLTag_head:
|
||||
{
|
||||
static char okTags[]={
|
||||
eHTMLTag_base, eHTMLTag_isindex, eHTMLTag_link, eHTMLTag_meta,
|
||||
eHTMLTag_script,eHTMLTag_style, eHTMLTag_title, 0};
|
||||
result=PRBool(0!=strchr(okTags,aChild));
|
||||
}
|
||||
break;
|
||||
|
||||
case eHTMLTag_hr:
|
||||
break; //singletons can't contain anything...
|
||||
|
||||
case eHTMLTag_html:
|
||||
{
|
||||
static char okTags[]={eHTMLTag_body,eHTMLTag_frameset,eHTMLTag_head,0};
|
||||
result=PRBool(0!=strchr(okTags,aChild));
|
||||
}
|
||||
break;
|
||||
|
||||
case eHTMLTag_iframe:
|
||||
result=PRBool(0!=strchr(gTagSet1,aChild)); break;
|
||||
|
||||
case eHTMLTag_img:
|
||||
case eHTMLTag_input:
|
||||
case eHTMLTag_isindex:
|
||||
case eHTMLTag_spacer:
|
||||
case eHTMLTag_wbr:
|
||||
break; //singletons can't contain anything...
|
||||
|
||||
case eHTMLTag_italic:
|
||||
case eHTMLTag_ins:
|
||||
case eHTMLTag_kbd:
|
||||
case eHTMLTag_label:
|
||||
case eHTMLTag_legend:
|
||||
result=PRBool(0!=strchr(gTagSet2,aChild)); break;
|
||||
|
||||
case eHTMLTag_layer:
|
||||
break;
|
||||
|
||||
case eHTMLTag_link:
|
||||
break; //singletons can't contain anything...
|
||||
|
||||
// XXX hey rickg: listing is like xmp or plaintext and has
|
||||
// NOTHING to do with html lists.
|
||||
case eHTMLTag_listing:
|
||||
result=PRBool(eHTMLTag_listitem==aChild); break;
|
||||
|
||||
case eHTMLTag_map:
|
||||
result=PRBool(eHTMLTag_area==aChild); break;
|
||||
|
||||
case eHTMLTag_marquee:
|
||||
result=PRBool(0!=strchr(gTagSet2,aChild)); break;
|
||||
|
||||
case eHTMLTag_math:
|
||||
break; //nothing but plain text...
|
||||
|
||||
case eHTMLTag_meta:
|
||||
break; //singletons can't contain other tags
|
||||
|
||||
case eHTMLTag_noframes:
|
||||
if(eHTMLTag_body==aChild)
|
||||
result=PR_TRUE;
|
||||
else result=PRBool(0!=strchr(gTagSet1,aChild));
|
||||
break;
|
||||
|
||||
case eHTMLTag_noscript:
|
||||
result=PRBool(0!=strchr(gTagSet1,aChild)); break;
|
||||
|
||||
case eHTMLTag_note:
|
||||
|
||||
case eHTMLTag_object:
|
||||
result=PRBool(0!=strchr(gTagSet2,aChild)); break;
|
||||
|
||||
case eHTMLTag_menu:
|
||||
case eHTMLTag_dir:
|
||||
case eHTMLTag_ol:
|
||||
case eHTMLTag_ul:
|
||||
// XXX kipp was here
|
||||
result = PR_TRUE;
|
||||
break;
|
||||
|
||||
case eHTMLTag_listitem:
|
||||
if (eHTMLTag_listitem == aChild) {
|
||||
return PR_FALSE;
|
||||
}
|
||||
result = PR_TRUE;
|
||||
break;
|
||||
|
||||
case eHTMLTag_option:
|
||||
break; //singletons can't contain other tags
|
||||
|
||||
case eHTMLTag_paragraph:
|
||||
if(eHTMLTag_paragraph==aChild)
|
||||
result=PR_FALSE;
|
||||
else result=PRBool(0!=strchr(gTagSet2,aChild));
|
||||
break;
|
||||
|
||||
case eHTMLTag_param:
|
||||
break; //singletons can't contain other tags
|
||||
|
||||
case eHTMLTag_plaintext:
|
||||
break;
|
||||
|
||||
case eHTMLTag_pre:
|
||||
case eHTMLTag_quotation:
|
||||
result=PRBool(0!=strchr(gTagSet2,aChild)); break;
|
||||
|
||||
case eHTMLTag_strike:
|
||||
result=PRBool(0!=strchr(gTagSet2,aChild)); break;
|
||||
|
||||
case eHTMLTag_script:
|
||||
break; //unadorned script text...
|
||||
|
||||
case eHTMLTag_select:
|
||||
result=PRBool(eHTMLTag_option==aChild); break;
|
||||
|
||||
case eHTMLTag_small:
|
||||
result=PRBool(0!=strchr(gTagSet2,aChild)); break;
|
||||
|
||||
case eHTMLTag_span:
|
||||
result=PRBool(0!=strchr(gTagSet1,aChild)); break;
|
||||
|
||||
case eHTMLTag_style:
|
||||
break; //singletons can't contain other tags
|
||||
|
||||
case eHTMLTag_strong:
|
||||
case eHTMLTag_samp:
|
||||
case eHTMLTag_sub:
|
||||
case eHTMLTag_sup:
|
||||
result=PRBool(0!=strchr(gTagSet1,aChild)); break;
|
||||
|
||||
case eHTMLTag_table:
|
||||
{
|
||||
static char okTags[]={
|
||||
eHTMLTag_caption, eHTMLTag_col, eHTMLTag_colgroup,eHTMLTag_tbody,
|
||||
eHTMLTag_tfoot, eHTMLTag_tr, eHTMLTag_thead, 0};
|
||||
result=PRBool(0!=strchr(okTags,aChild));
|
||||
}
|
||||
break;
|
||||
|
||||
case eHTMLTag_tbody:
|
||||
case eHTMLTag_tfoot:
|
||||
case eHTMLTag_thead:
|
||||
result=PRBool(eHTMLTag_tr==aChild); break;
|
||||
|
||||
case eHTMLTag_td:
|
||||
case eHTMLTag_th:
|
||||
result=PRBool(0!=strchr(gTagSet1,aChild));
|
||||
break;
|
||||
|
||||
case eHTMLTag_textarea:
|
||||
case eHTMLTag_title:
|
||||
break; //nothing but plain text...
|
||||
|
||||
case eHTMLTag_tr:
|
||||
{
|
||||
static char okTags[]={eHTMLTag_td,eHTMLTag_th,0};
|
||||
result=PRBool(0!=strchr(okTags,aChild));
|
||||
}
|
||||
break;
|
||||
|
||||
case eHTMLTag_tt:
|
||||
case eHTMLTag_u:
|
||||
result=PRBool(0!=strchr(gTagSet2,aChild)); break;
|
||||
|
||||
case eHTMLTag_var:
|
||||
result=PRBool(0!=strchr(gTagSet2,aChild)); break;
|
||||
|
||||
case eHTMLTag_userdefined:
|
||||
result=PR_TRUE; break; //XXX for now...
|
||||
|
||||
case eHTMLTag_xmp:
|
||||
default:
|
||||
break;
|
||||
} //switch
|
||||
return result;
|
||||
}
|
||||
|
||||
|
||||
/** ------------------------------------------------------
|
||||
* This method is called to determine whether or not a tag
|
||||
* of one type can contain a tag of another type.
|
||||
*
|
||||
* @update gess 4/8/98
|
||||
* @param aParent -- tag enum of parent container
|
||||
* @param aChild -- tag enum of child container
|
||||
* @return PR_TRUE if parent can contain child
|
||||
*/ //----------------------------------------------------
|
||||
PRBool nsHTMLDTD::CanContainIndirect(PRInt32 aParent,PRInt32 aChild) const {
|
||||
PRBool result=PR_FALSE;
|
||||
|
||||
switch(aParent) {
|
||||
|
||||
case eHTMLTag_html:
|
||||
{
|
||||
static char okTags[]={
|
||||
eHTMLTag_head, eHTMLTag_body,
|
||||
eHTMLTag_header, eHTMLTag_footer,0
|
||||
};
|
||||
result=PRBool(0!=strchr(okTags,aChild));
|
||||
}
|
||||
|
||||
case eHTMLTag_body:
|
||||
result=PR_TRUE; break;
|
||||
|
||||
case eHTMLTag_table:
|
||||
{
|
||||
static char okTags[]={
|
||||
eHTMLTag_caption, eHTMLTag_colgroup,
|
||||
eHTMLTag_tbody, eHTMLTag_tfoot,
|
||||
eHTMLTag_thead, eHTMLTag_tr,
|
||||
eHTMLTag_td, eHTMLTag_th,
|
||||
eHTMLTag_col, 0};
|
||||
result=PRBool(0!=strchr(okTags,aChild));
|
||||
}
|
||||
break;
|
||||
|
||||
result=PR_TRUE; break;
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
/** -------------------------------------------------------
|
||||
* This method gets called to determine whether a given
|
||||
* tag can contain newlines. Most do not.
|
||||
*
|
||||
* @update gess 3/25/98
|
||||
* @param aTag -- tag to test for containership
|
||||
* @return PR_TRUE if given tag can contain other tags
|
||||
*/ //----------------------------------------------------
|
||||
PRBool nsHTMLDTD::CanOmit(PRInt32 aParent,PRInt32 aChild) const {
|
||||
PRBool result=PR_FALSE;
|
||||
|
||||
switch((eHTMLTags)aParent) {
|
||||
case eHTMLTag_tr:
|
||||
case eHTMLTag_table:
|
||||
case eHTMLTag_thead:
|
||||
case eHTMLTag_tfoot:
|
||||
case eHTMLTag_tbody:
|
||||
case eHTMLTag_col:
|
||||
case eHTMLTag_colgroup:
|
||||
if((aChild==eHTMLTag_newline) ||
|
||||
(aChild==eHTMLTag_whitespace))
|
||||
result=PR_TRUE;
|
||||
break;
|
||||
|
||||
default:
|
||||
result=PR_FALSE;
|
||||
break;
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
/** -------------------------------------------------------
|
||||
* This method gets called to determine whether a given
|
||||
* tag is itself a container
|
||||
*
|
||||
* @update gess 4/8/98
|
||||
* @param aTag -- tag to test for containership
|
||||
* @return PR_TRUE if given tag can contain other tags
|
||||
*/ //----------------------------------------------------
|
||||
PRBool nsHTMLDTD::IsContainer(PRInt32 aTag) const {
|
||||
PRBool result=PR_FALSE;
|
||||
|
||||
switch(aTag){
|
||||
case eHTMLTag_area: case eHTMLTag_base:
|
||||
case eHTMLTag_basefont: case eHTMLTag_br:
|
||||
case eHTMLTag_col: case eHTMLTag_colgroup:
|
||||
case eHTMLTag_frame:
|
||||
case eHTMLTag_hr: case eHTMLTag_img:
|
||||
case eHTMLTag_input: case eHTMLTag_isindex:
|
||||
case eHTMLTag_link:
|
||||
case eHTMLTag_math: case eHTMLTag_meta:
|
||||
case eHTMLTag_option: case eHTMLTag_param:
|
||||
case eHTMLTag_style: case eHTMLTag_spacer:
|
||||
case eHTMLTag_textarea:
|
||||
case eHTMLTag_wbr:
|
||||
case eHTMLTag_form:
|
||||
result=PR_FALSE;
|
||||
break;
|
||||
|
||||
default:
|
||||
result=PR_TRUE;
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
/*-------------------------------------------------------
|
||||
* This method does two things: 1st, help construct
|
||||
* our own internal model of the content-stack; and
|
||||
* 2nd, pass this message on to the sink.
|
||||
* @update gess4/6/98
|
||||
* @param aNode -- next node to be added to model
|
||||
* @return TRUE if ok, FALSE if error
|
||||
*------------------------------------------------------*/
|
||||
PRInt32 nsHTMLDTD::GetDefaultParentTagFor(PRInt32 aTag) const{
|
||||
eHTMLTags result=eHTMLTag_unknown;
|
||||
switch(aTag) {
|
||||
case eHTMLTag_html:
|
||||
result=(eHTMLTags)kNotFound; break;
|
||||
|
||||
case eHTMLTag_body:
|
||||
case eHTMLTag_head:
|
||||
case eHTMLTag_header:
|
||||
case eHTMLTag_footer:
|
||||
case eHTMLTag_frameset:
|
||||
result=eHTMLTag_html; break;
|
||||
|
||||
//These tags are head specific...
|
||||
case eHTMLTag_style:
|
||||
case eHTMLTag_meta:
|
||||
case eHTMLTag_title:
|
||||
case eHTMLTag_base:
|
||||
case eHTMLTag_link:
|
||||
result=eHTMLTag_head; break;
|
||||
|
||||
//These tags are table specific...
|
||||
case eHTMLTag_caption:
|
||||
case eHTMLTag_colgroup:
|
||||
case eHTMLTag_tbody:
|
||||
case eHTMLTag_tfoot:
|
||||
case eHTMLTag_thead:
|
||||
case eHTMLTag_tr:
|
||||
result=eHTMLTag_table; break;
|
||||
|
||||
case eHTMLTag_td:
|
||||
case eHTMLTag_th:
|
||||
result=eHTMLTag_tr; break;
|
||||
|
||||
case eHTMLTag_col:
|
||||
result=eHTMLTag_colgroup; break;
|
||||
|
||||
//These have to do with listings...
|
||||
case eHTMLTag_listitem:
|
||||
result=eHTMLTag_ul; break;
|
||||
|
||||
case eHTMLTag_dd:
|
||||
case eHTMLTag_dt:
|
||||
result=eHTMLTag_dl; break;
|
||||
|
||||
case eHTMLTag_option:
|
||||
result=eHTMLTag_select; break;
|
||||
|
||||
//These have to do with image maps...
|
||||
case eHTMLTag_area:
|
||||
result=eHTMLTag_map; break;
|
||||
|
||||
//These have to do with applets...
|
||||
case eHTMLTag_param:
|
||||
result=eHTMLTag_applet; break;
|
||||
|
||||
//These have to do with frames...
|
||||
case eHTMLTag_frame:
|
||||
result=eHTMLTag_frameset; break;
|
||||
|
||||
default:
|
||||
result=eHTMLTag_body; //XXX Hack! Just for now.
|
||||
break;
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
|
||||
/** ------------------------------------------------------
|
||||
* This method gets called at various times by the parser
|
||||
* whenever we want to verify a valid context stack. This
|
||||
* method also gives us a hook to add debugging metrics.
|
||||
*
|
||||
* @update gess4/6/98
|
||||
* @param aStack[] array of ints (tokens)
|
||||
* @param aCount number of elements in given array
|
||||
* @return TRUE if stack is valid, else FALSE
|
||||
*/ //-----------------------------------------------------
|
||||
PRBool nsHTMLDTD::VerifyContextStack(eHTMLTags aStack[],PRInt32 aCount) const {
|
||||
PRBool result=PR_TRUE;
|
||||
|
||||
if(aCount>0) {
|
||||
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
/** -------------------------------------------------------
|
||||
* This method tries to design a context map (without actually
|
||||
* changing our parser state) from the parent down to the
|
||||
* child.
|
||||
*
|
||||
* @update gess4/6/98
|
||||
* @param aParent -- tag type of parent
|
||||
* @param aChild -- tag type of child
|
||||
* @return Non zero count of intermediate nodes;
|
||||
* 0 if unable to comply
|
||||
*/ //----------------------------------------------------
|
||||
PRInt32 nsHTMLDTD::ForwardPropagate(PRInt32 aVector[],PRInt32 aParent,PRInt32 aChild) const{
|
||||
int result=0;
|
||||
return result;
|
||||
}
|
||||
|
||||
/** -------------------------------------------------------
|
||||
* This method tries to design a context map (without actually
|
||||
* changing our parser state) from the child up to the parent.
|
||||
*
|
||||
* @update gess4/6/98
|
||||
* @param aParent -- tag type of parent
|
||||
* @param aChild -- tag type of child
|
||||
* @return Non zero count of intermediate nodes;
|
||||
* 0 if unable to comply
|
||||
*/ //----------------------------------------------------
|
||||
PRInt32 nsHTMLDTD::BackwardPropagate(PRInt32 aVector[],PRInt32 aParent,PRInt32 aChild) const{
|
||||
int result=0;
|
||||
return result;
|
||||
}
|
||||
Загрузка…
Ссылка в новой задаче