Mozilla/mozilla/xpcom/io/nsILocalFile.idl

/* -*- Mode: C++; tab-width: 2; 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 Communicator client code, 
 * released March 31, 1998. 
 *
 * The Initial Developer of the Original Code is Netscape Communications 
 * Corporation.  Portions created by Netscape are
 * Copyright (C) 1998-1999 Netscape Communications Corporation. All
 * Rights Reserved.
 *
 * Contributor(s): 
 *     Doug Turner <dougt@netscape.com>
 */


#include "nsIFile.idl"

%{C++
#include "prio.h"
#include "prlink.h"
#include <stdio.h>
%}

[ptr] native PRFileDescStar(PRFileDesc);
[ptr] native PRLibraryStar(PRLibrary);
[ptr] native FILE(FILE);

[scriptable, uuid(aa610f20-a889-11d3-8c81-000064657374)]
interface nsILocalFile : nsIFile
{
    /**
     * initWithPath
     *
     * This function will initialize the nsILocalFile object.  Any
     * internal state information will be reset.  
     *
     *  NOTE:  This function has a known bug on the macintosh and
     *         other OSes which do not represent file locations 
     *         as pathes.  If you do use this function, be very
     *         aware of this problem as bugs.
     *
     *   @param filePath       
     *          A string which specifies a full file path to a 
     *          location.  Relative paths will be treated as an
     *          error (NS_ERROR_FILE_UNRECOGNIZED_PATH).  This
     *          path must in native.
     */
    void initWithPath([const] in string filePath);
    void initWithUnicodePath([const] in wstring filePath);
    
    /**
     * followLinks
     *
     *    This attribute will determine if the nsLocalFile will auto
     *    resolve symbolic links.  By default, this value will be false
     *    on all non unix systems.  On unix, this attribute is effectively
     *    a noop.  
     *
     *    Be aware that changing this attribute from true to false after
     *    the nsILocalFile has been initialized may lead to errors.  This
     *    could happen if there were resolved symlink in the initialized
     *    path.  For example if you had /a/b/c where |b| was a symlink, 
     *    and you change this attribute to false, the next usage would 
     *    mostlikely fail.
     */
    attribute PRBool followLinks;  

    [noscript] PRFileDescStar openNSPRFileDesc(in long flags, in long mode);
    [noscript] FILE           openANSIFileDesc(in string mode);

    [noscript] PRLibraryStar  load();
    
    readonly attribute PRInt64 diskSpaceAvailable;  // maybe we should put this somewhere else.

    /**
     * appendRelativePath
     *
     * Append a relative path to the current path of the nsILocalFile object.
     *
     * @param relativeFilePath
     *        relativeFilePath is a native relative path. For security reasons,
     *        this cannot contain ..	or cannot start with a directory separator
     */
    void appendRelativePath([const] in string relativeFilePath);
    void appendRelativeUnicodePath([const] in wstring relativeFilePath);
    
    
    /**
     *   Accessor to a null terminated string which will specify
     *   the file in a persistent manner for disk storage.
     */
    attribute string persistentDescriptor;

};

%{C++

#define NS_LOCAL_FILE_CONTRACTID "@mozilla.org/file/local;1"
#define NS_LOCAL_FILE_CLASSNAME "Local File Specification"

extern "C" NS_EXPORT nsresult
NS_NewLocalFile(const char* path, PRBool followLinks, nsILocalFile* *result);

extern "C" NS_EXPORT nsresult
NS_NewUnicodeLocalFile(const PRUnichar* path, PRBool followLinks, nsILocalFile* *result);

%}