99d792b211
as an Netscape internal XML application. It is designed to allow conversion from our content model to any output format -- most importantly to HTML 3.2 and HTML4.0 format. git-svn-id: svn://10.0.0.236/trunk@5521 18797224-902f-48f8-a5cc-f745e15eee43
142 lines
3.7 KiB
C++
142 lines
3.7 KiB
C++
/* -*- 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 "nsHTMLParts.h"
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#include "nsHTMLContainer.h"
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#include "nsFrame.h"
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#include "nsHTMLIIDs.h"
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#include "nsXIFConverter.h"
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#define nsHTMLTitleSuper nsHTMLTagContent
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class nsHTMLTitle : public nsHTMLTitleSuper {
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public:
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nsHTMLTitle(nsIAtom* aTag, const nsString& aTitle);
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virtual nsresult CreateFrame(nsIPresContext* aPresContext,
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nsIFrame* aParentFrame,
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nsIStyleContext* aStyleContext,
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nsIFrame*& aResult);
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virtual void List(FILE* out, PRInt32 aIndent) const;
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virtual void BeginConvertToXIF(nsXIFConverter& aConverter) const;
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virtual void FinishConvertToXIF(nsXIFConverter& aConverter) const;
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protected:
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virtual ~nsHTMLTitle();
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nsString mTitle;
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};
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nsHTMLTitle::nsHTMLTitle(nsIAtom* aTag, const nsString& aTitle)
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: nsHTMLTitleSuper(aTag), mTitle(aTitle)
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{
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}
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nsHTMLTitle::~nsHTMLTitle()
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{
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}
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nsresult
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nsHTMLTitle::CreateFrame(nsIPresContext* aPresContext,
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nsIFrame* aParentFrame,
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nsIStyleContext* aStyleContext,
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nsIFrame*& aResult)
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{
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nsIFrame* frame;
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nsFrame::NewFrame(&frame, this, aParentFrame);
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if (nsnull == frame) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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frame->SetStyleContext(aPresContext, aStyleContext);
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aResult = frame;
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return NS_OK;
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}
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void
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nsHTMLTitle::List(FILE* out, PRInt32 aIndent) const
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{
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NS_PRECONDITION(nsnull != mDocument, "bad content");
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PRInt32 index;
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for (index = aIndent; --index >= 0; ) fputs(" ", out);
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nsIAtom* tag = GetTag();
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if (tag != nsnull) {
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nsAutoString buf;
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tag->ToString(buf);
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fputs(buf, out);
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NS_RELEASE(tag);
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}
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ListAttributes(out);
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fprintf(out, " RefCount=%d<", mRefCnt);
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fputs(mTitle, out);
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fputs(">\n", out);
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}
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nsresult
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NS_NewHTMLTitle(nsIHTMLContent** aInstancePtrResult,
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nsIAtom* aTag, const nsString& aTitle)
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{
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NS_PRECONDITION(nsnull != aInstancePtrResult, "null ptr");
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if (nsnull == aInstancePtrResult) {
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return NS_ERROR_NULL_POINTER;
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}
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nsIHTMLContent* it = new nsHTMLTitle(aTag, aTitle);
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if (nsnull == it) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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return it->QueryInterface(kIHTMLContentIID, (void **) aInstancePtrResult);
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}
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/**
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* Translate the content object into the (XIF) XML Interchange Format
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* XIF is an intermediate form of the content model, the buffer
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* will then be parsed into any number of formats including HTML, TXT, etc.
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* These methods must be called in the following order:
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BeginConvertToXIF
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DoConvertToXIF
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EndConvertToXIF
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*/
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void nsHTMLTitle::BeginConvertToXIF(nsXIFConverter& aConverter) const
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{
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if (nsnull != mTag)
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{
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nsAutoString name;
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mTag->ToString(name);
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aConverter.BeginContainer(name);
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}
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aConverter.AddContent(mTitle);
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}
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void nsHTMLTitle::FinishConvertToXIF(nsXIFConverter& aConverter) const
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{
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if (nsnull != mTag)
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{
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nsAutoString name;
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mTag->ToString(name);
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aConverter.EndContainer(name);
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}
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}
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