moved to pub
git-svn-id: svn://10.0.0.236/trunk@165 18797224-902f-48f8-a5cc-f745e15eee43
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kipp
203
mozilla/parser/htmlparser/src/nsParserNode.cpp
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203
mozilla/parser/htmlparser/src/nsParserNode.cpp
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#include "nsParserNode.h"
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#include "nsHTMLParser.h"
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#include "string.h"
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/**-------------------------------------------------------
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* Default constructor
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*
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* @update gess 3/25/98
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* @param aToken -- token to init internal token
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* @return
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*------------------------------------------------------*/
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nsCParserNode::nsCParserNode(CHTMLToken* aToken): nsIParserNode(),
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mName(), mEmptyString() {
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NS_PRECONDITION(0!=aToken, "Null Token");
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mAttributeCount=0;
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mToken=aToken;
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memset(mAttributes,0,sizeof(mAttributes));
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}
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/**-------------------------------------------------------
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* default destructor
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*
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* @update gess 3/25/98
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* @param
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* @return
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*------------------------------------------------------*/
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nsCParserNode::~nsCParserNode() {
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}
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/**-------------------------------------------------------
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* Causes the given attribute to be added to internal
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* mAttributes list, and mAttributeCount to be incremented.
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*
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* @update gess 3/25/98
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* @param aToken -- token to be added to attr list
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* @return
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*------------------------------------------------------*/
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void nsCParserNode::AddAttribute(CHTMLToken* aToken) {
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NS_PRECONDITION(mAttributeCount<sizeof(mAttributes), "Buffer overrun!");
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NS_PRECONDITION(0!=aToken, "Error: Token shouldn't be null!");
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if(aToken) {
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mAttributes[mAttributeCount++]=aToken;
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}
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}
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/**-------------------------------------------------------
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* This method gets called when the parser encounters
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* skipped content after a start token.
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* NOTE: To determine if we have skipped content, simply
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* check mAttributes[mAttributeCount].
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*
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* @update gess 3/26/98
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* @param aToken -- really a skippedcontent token
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* @return nada
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*------------------------------------------------------*/
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void nsCParserNode::SetSkippedContent(CHTMLToken* aToken){
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NS_PRECONDITION(mAttributeCount<sizeof(mAttributes)-1, "Buffer overrun!");
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NS_PRECONDITION(0!=aToken, "Error: Token shouldn't be null!");
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if(aToken) {
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mAttributes[mAttributeCount++]=aToken;
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}
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}
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/**-------------------------------------------------------
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* Gets the name of this node. Currently unused.
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*
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* @update gess 3/25/98
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* @param
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* @return string ref containing node name
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*------------------------------------------------------*/
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const nsString& nsCParserNode::GetName() const {
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return mName;
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}
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/**-------------------------------------------------------
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* Get text value of this node, which translates into
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* getting the text value of the underlying token
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*
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* @update gess 3/25/98
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* @param
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* @return string ref of text from internal token
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*------------------------------------------------------*/
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const nsString& nsCParserNode::GetText() const {
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return mToken->GetText();
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}
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/**-------------------------------------------------------
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* Get text value of this node, which translates into
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* getting the text value of the underlying token
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*
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* @update gess 3/25/98
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* @param
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* @return string ref of text from internal token
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*------------------------------------------------------*/
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const nsString& nsCParserNode::GetSkippedContent() const {
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if (0 < mAttributeCount) {
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if(mAttributes[mAttributeCount-1]) {
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CSkippedContentToken* sc=(CSkippedContentToken*)(mAttributes[mAttributeCount-1]);
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if(sc) {
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return sc->GetText();
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}
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}
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}
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return mEmptyString;
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}
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/**-------------------------------------------------------
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* Get node type, meaning, get the tag type of the
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* underlying token
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*
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* @update gess 3/25/98
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* @param
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* @return int value that represents tag type
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*------------------------------------------------------*/
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PRInt32 nsCParserNode::GetNodeType(void) const{
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return mToken->GetHTMLTag();
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}
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/**-------------------------------------------------------
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* Gets the token type, which corresponds to a value from
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* eHTMLTags_xxx.
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*
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* @update gess 3/25/98
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* @param
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* @return
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*------------------------------------------------------*/
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PRInt32 nsCParserNode::GetTokenType(void) const{
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return mToken->GetTokenType();
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}
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/**-------------------------------------------------------
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* Retrieve the number of attributes on this node
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*
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* @update gess 3/25/98
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* @param
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* @return int -- representing attribute count
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*------------------------------------------------------*/
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PRInt32 nsCParserNode::GetAttributeCount(void) const{
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return mAttributeCount;
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}
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/**-------------------------------------------------------
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* Retrieve the string rep of the attribute key at the
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* given index.
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*
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* @update gess 3/25/98
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* @param anIndex-- offset of attribute to retrieve
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* @return string rep of given attribute text key
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*------------------------------------------------------*/
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const nsString& nsCParserNode::GetKeyAt(PRInt32 anIndex) const {
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NS_PRECONDITION(anIndex<mAttributeCount, "Bad attr index");
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CAttributeToken* tkn=(CAttributeToken*)(mAttributes[anIndex]);
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return tkn->GetKey();
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}
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/**-------------------------------------------------------
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* Retrieve the string rep of the attribute at given offset
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*
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* @update gess 3/25/98
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* @param anIndex-- offset of attribute to retrieve
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* @return string rep of given attribute text value
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*------------------------------------------------------*/
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const nsString& nsCParserNode::GetValueAt(PRInt32 anIndex) const {
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NS_PRECONDITION(anIndex<mAttributeCount, "Bad attr index");
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return (mAttributes[anIndex])->GetText();
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}
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PRInt32 nsCParserNode::TranslateToUnicode() const
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{
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if (eToken_entity == mToken->GetTokenType()) {
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return ((CEntityToken*)mToken)->TranslateToUnicode();
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}
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return -1;
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}
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