gecko-dev/netwerk/streamconv/converters/nsTXTToHTMLConv.h

100 lines
3.1 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
#ifndef ____nstxttohtmlconv___h___
#define ____nstxttohtmlconv___h___
#include "nsITXTToHTMLConv.h"
#include "nsCOMPtr.h"
#include "nsVoidArray.h"
#include "nsIFactory.h"
#include "nsString.h"
#define NS_NSTXTTOHTMLCONVERTER_CID \
{ /* 9ef9fa14-1dd1-11b2-9d65-d72d6d1f025e */ \
0x9ef9fa14, \
0x1dd1, \
0x11b2, \
{0x9d, 0x65, 0xd7, 0x2d, 0x6d, 0x1f, 0x02, 0x5e} \
}
static NS_DEFINE_CID(kNSTXTTOHTMLCONVCID, NS_NSTXTTOHTMLCONVERTER_CID);
// Internal representation of a "token"
typedef struct convToken {
nsString token; // the actual string (i.e. "http://")
nsString modText; // replacement text or href prepend text.
PRBool prepend; // flag indicating how the modText should be used.
} convToken;
class nsTXTToHTMLConv : public nsITXTToHTMLConv {
public:
NS_DECL_ISUPPORTS
NS_DECL_NSISTREAMCONVERTER
NS_DECL_NSITXTTOHTMLCONV
NS_DECL_NSISTREAMOBSERVER
NS_DECL_NSISTREAMLISTENER
nsTXTToHTMLConv();
virtual ~nsTXTToHTMLConv();
nsresult Init();
// For factory creation.
static NS_METHOD
Create(nsISupports *aOuter, REFNSIID aIID, void **aResult) {
nsresult rv;
if (aOuter)
return NS_ERROR_NO_AGGREGATION;
nsTXTToHTMLConv* _s = new nsTXTToHTMLConv();
if (_s == nsnull)
return NS_ERROR_OUT_OF_MEMORY;
NS_ADDREF(_s);
rv = _s->Init();
if (NS_FAILED(rv)) {
delete _s;
return rv;
}
rv = _s->QueryInterface(aIID, aResult);
NS_RELEASE(_s);
return rv;
}
protected:
// return the token and it's location in the underlying buffer.
PRInt32 FindToken(PRInt32 cursor, convToken* *_retval);
// return the cursor location after munging HTML into the
// underlying buffer.
PRInt32 CatHTML(PRInt32 front, PRInt32 back);
nsCOMPtr<nsIStreamListener> mListener; // final listener (consumer)
nsString mBuffer; // any carry over data
nsVoidArray mTokens; // list of tokens to search for
convToken *mToken; // current token (if any)
nsString mPageTitle; // Page title
PRBool mPreFormatHTML; // Whether to use <pre> tags
};
#endif // ____nstxttohtmlconv___h___