blob: a69f7608f477beba1f524c4a385398a24bafe696 [file] [log] [blame]
#ifndef _TCURESOURCE_HPP
#define _TCURESOURCE_HPP
/*-------------------------------------------------------------------------
* drawElements Quality Program Tester Core
* ----------------------------------------
*
* Copyright 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*//*!
* \file
* \brief Resource system.
*//*--------------------------------------------------------------------*/
#include "tcuDefs.hpp"
#include <string>
// \todo [2010-07-31 pyry] Move Archive and File* to separate files
namespace tcu
{
/*--------------------------------------------------------------------*//*!
* \brief Resource object
*
* Test framework uses abstraction for data access instead of using
* files directly to better support platforms where application resources
* are not available directly in the filesystem.
*
* Resource objects are requested from Archive object provided by Platform.
* The user is responsible of disposing the objects afterwards.
*//*--------------------------------------------------------------------*/
class Resource
{
public:
virtual ~Resource(void)
{
}
virtual void read(uint8_t *dst, int numBytes) = 0;
virtual int getSize(void) const = 0;
virtual int getPosition(void) const = 0;
virtual void setPosition(int position) = 0;
const std::string &getName(void) const
{
return m_name;
}
protected:
Resource(const std::string &name) : m_name(name)
{
}
private:
std::string m_name;
};
/*--------------------------------------------------------------------*//*!
* \brief Abstract resource archive
*//*--------------------------------------------------------------------*/
class Archive
{
public:
virtual ~Archive(void)
{
}
/*--------------------------------------------------------------------*//*!
* \brief Open resource
*
* Throws resource error if no resource with given name exists.
*
* Resource object must be deleted after use
*
* \param name Resource path
* \return Resource object
*//*--------------------------------------------------------------------*/
virtual Resource *getResource(const char *name) const = 0;
protected:
Archive()
{
}
};
/*--------------------------------------------------------------------*//*!
* \brief Directory-based archive implementation
*//*--------------------------------------------------------------------*/
class DirArchive : public Archive
{
public:
DirArchive(const char *path);
~DirArchive(void);
Resource *getResource(const char *name) const;
// \note Assignment and copy allowed
DirArchive(const DirArchive &other) : Archive(), m_path(other.m_path)
{
}
DirArchive &operator=(const DirArchive &other)
{
m_path = other.m_path;
return *this;
}
private:
std::string m_path;
};
class FileResource : public Resource
{
public:
FileResource(const char *filename);
~FileResource(void);
void read(uint8_t *dst, int numBytes);
int getSize(void) const;
int getPosition(void) const;
void setPosition(int position);
private:
FileResource(const FileResource &other);
FileResource &operator=(const FileResource &other);
FILE *m_file;
};
class ResourcePrefix : public Archive
{
public:
ResourcePrefix(const Archive &archive, const char *prefix);
virtual ~ResourcePrefix(void)
{
}
virtual Resource *getResource(const char *name) const;
private:
const Archive &m_archive;
std::string m_prefix;
};
} // namespace tcu
#endif // _TCURESOURCE_HPP