gecko-dev/ef/Runtime/ClassInfo/PathComponent.h

64 lines
2.0 KiB
C++

/* -*- Mode: C++; tab-width: 4; 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.
*/
#ifndef _PATH_COMPONENT_H_
#define _PATH_COMPONENT_H_
#include "Pool.h"
#include "FileReader.h"
#include "ZipArchive.h"
enum PathComponentType {
pathComponentTypeInvalid=0,
pathComponentTypeDirectory,
pathComponentTypeZipFile,
pathComponentTypeJarFile
};
/* A path component is one component in a class path. It could
* be a directory, a zip file or a jar file.
*/
class PathComponent {
public:
PathComponent(const char *path, Pool &pool);
/* If the class given by className can be found in the domain of
* this component, return an object that is capable of reading the
* file. Otherwise, return NULL. maxFileNameLen, if non-zero, indicates
* the maximum length of a file on the native opearing system. filenames
* longer than maxFileNameLen are assumed to be truncated to maxFileNameLen.
*/
FileReader *getFile(const char *className, Uint32 maxFileNameLen = 0);
private:
/* Pool used to allocate memory */
Pool &pool;
/* Type of path component */
PathComponentType componentType;
/* component specific information */
union {
ZipArchive *archive; /* Zip archive reader for zip files */
const char *dirName; /* Directory name for directories */
};
};
#endif /* _PATH_COMPONENT_H_ */