206 lines
6.3 KiB
C++
206 lines
6.3 KiB
C++
/* -*- 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.
|
|
*/
|
|
|
|
|
|
#include "nsParserNode.h"
|
|
#include "nsHTMLParser.h"
|
|
#include "string.h"
|
|
|
|
|
|
/**-------------------------------------------------------
|
|
* Default constructor
|
|
*
|
|
* @update gess 3/25/98
|
|
* @param aToken -- token to init internal token
|
|
* @return
|
|
*------------------------------------------------------*/
|
|
nsCParserNode::nsCParserNode(CHTMLToken* aToken): nsIParserNode(),
|
|
mName(), mEmptyString() {
|
|
NS_PRECONDITION(0!=aToken, "Null Token");
|
|
mAttributeCount=0;
|
|
mToken=aToken;
|
|
memset(mAttributes,0,sizeof(mAttributes));
|
|
}
|
|
|
|
|
|
/**-------------------------------------------------------
|
|
* default destructor
|
|
*
|
|
* @update gess 3/25/98
|
|
* @param
|
|
* @return
|
|
*------------------------------------------------------*/
|
|
nsCParserNode::~nsCParserNode() {
|
|
}
|
|
|
|
|
|
/**-------------------------------------------------------
|
|
* Causes the given attribute to be added to internal
|
|
* mAttributes list, and mAttributeCount to be incremented.
|
|
*
|
|
* @update gess 3/25/98
|
|
* @param aToken -- token to be added to attr list
|
|
* @return
|
|
*------------------------------------------------------*/
|
|
void nsCParserNode::AddAttribute(CHTMLToken* aToken) {
|
|
NS_PRECONDITION(mAttributeCount<sizeof(mAttributes), "Buffer overrun!");
|
|
NS_PRECONDITION(0!=aToken, "Error: Token shouldn't be null!");
|
|
if(aToken) {
|
|
mAttributes[mAttributeCount++]=aToken;
|
|
}
|
|
}
|
|
|
|
|
|
/**-------------------------------------------------------
|
|
* This method gets called when the parser encounters
|
|
* skipped content after a start token.
|
|
* NOTE: To determine if we have skipped content, simply
|
|
* check mAttributes[mAttributeCount].
|
|
*
|
|
* @update gess 3/26/98
|
|
* @param aToken -- really a skippedcontent token
|
|
* @return nada
|
|
*------------------------------------------------------*/
|
|
void nsCParserNode::SetSkippedContent(CHTMLToken* aToken){
|
|
NS_PRECONDITION(mAttributeCount<sizeof(mAttributes)-1, "Buffer overrun!");
|
|
NS_PRECONDITION(0!=aToken, "Error: Token shouldn't be null!");
|
|
if(aToken) {
|
|
mAttributes[mAttributeCount++]=aToken;
|
|
}
|
|
}
|
|
|
|
|
|
/**-------------------------------------------------------
|
|
* Gets the name of this node. Currently unused.
|
|
*
|
|
* @update gess 3/25/98
|
|
* @param
|
|
* @return string ref containing node name
|
|
*------------------------------------------------------*/
|
|
const nsString& nsCParserNode::GetName() const {
|
|
return mName;
|
|
}
|
|
|
|
|
|
/**-------------------------------------------------------
|
|
* Get text value of this node, which translates into
|
|
* getting the text value of the underlying token
|
|
*
|
|
* @update gess 3/25/98
|
|
* @param
|
|
* @return string ref of text from internal token
|
|
*------------------------------------------------------*/
|
|
const nsString& nsCParserNode::GetText() const {
|
|
return mToken->GetText();
|
|
}
|
|
|
|
/**-------------------------------------------------------
|
|
* Get text value of this node, which translates into
|
|
* getting the text value of the underlying token
|
|
*
|
|
* @update gess 3/25/98
|
|
* @param
|
|
* @return string ref of text from internal token
|
|
*------------------------------------------------------*/
|
|
const nsString& nsCParserNode::GetSkippedContent() const {
|
|
if (0 < mAttributeCount) {
|
|
if(mAttributes[mAttributeCount-1]) {
|
|
CSkippedContentToken* sc=(CSkippedContentToken*)(mAttributes[mAttributeCount-1]);
|
|
if(sc) {
|
|
return sc->GetText();
|
|
}
|
|
}
|
|
}
|
|
return mEmptyString;
|
|
}
|
|
|
|
/**-------------------------------------------------------
|
|
* Get node type, meaning, get the tag type of the
|
|
* underlying token
|
|
*
|
|
* @update gess 3/25/98
|
|
* @param
|
|
* @return int value that represents tag type
|
|
*------------------------------------------------------*/
|
|
PRInt32 nsCParserNode::GetNodeType(void) const{
|
|
return mToken->GetHTMLTag();
|
|
}
|
|
|
|
|
|
/**-------------------------------------------------------
|
|
* Gets the token type, which corresponds to a value from
|
|
* eHTMLTags_xxx.
|
|
*
|
|
* @update gess 3/25/98
|
|
* @param
|
|
* @return
|
|
*------------------------------------------------------*/
|
|
PRInt32 nsCParserNode::GetTokenType(void) const{
|
|
return mToken->GetTokenType();
|
|
}
|
|
|
|
|
|
/**-------------------------------------------------------
|
|
* Retrieve the number of attributes on this node
|
|
*
|
|
* @update gess 3/25/98
|
|
* @param
|
|
* @return int -- representing attribute count
|
|
*------------------------------------------------------*/
|
|
PRInt32 nsCParserNode::GetAttributeCount(void) const{
|
|
return mAttributeCount;
|
|
}
|
|
|
|
/**-------------------------------------------------------
|
|
* Retrieve the string rep of the attribute key at the
|
|
* given index.
|
|
*
|
|
* @update gess 3/25/98
|
|
* @param anIndex-- offset of attribute to retrieve
|
|
* @return string rep of given attribute text key
|
|
*------------------------------------------------------*/
|
|
const nsString& nsCParserNode::GetKeyAt(PRInt32 anIndex) const {
|
|
NS_PRECONDITION(anIndex<mAttributeCount, "Bad attr index");
|
|
CAttributeToken* tkn=(CAttributeToken*)(mAttributes[anIndex]);
|
|
return tkn->GetKey();
|
|
}
|
|
|
|
|
|
/**-------------------------------------------------------
|
|
* Retrieve the string rep of the attribute at given offset
|
|
*
|
|
* @update gess 3/25/98
|
|
* @param anIndex-- offset of attribute to retrieve
|
|
* @return string rep of given attribute text value
|
|
*------------------------------------------------------*/
|
|
const nsString& nsCParserNode::GetValueAt(PRInt32 anIndex) const {
|
|
NS_PRECONDITION(anIndex<mAttributeCount, "Bad attr index");
|
|
return (mAttributes[anIndex])->GetText();
|
|
}
|
|
|
|
|
|
PRInt32 nsCParserNode::TranslateToUnicodeStr(nsString& aString) const
|
|
{
|
|
if (eToken_entity == mToken->GetTokenType()) {
|
|
return ((CEntityToken*)mToken)->TranslateToUnicodeStr(aString);
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
|