#ifndef _TCURESOURCE_HPP
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#define _TCURESOURCE_HPP
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/*-------------------------------------------------------------------------
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* drawElements Quality Program Tester Core
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* ----------------------------------------
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*
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* Copyright 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*//*!
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* \file
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* \brief Resource system.
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*//*--------------------------------------------------------------------*/
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#include "tcuDefs.hpp"
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#include <string>
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// \todo [2010-07-31 pyry] Move Archive and File* to separate files
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namespace tcu
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{
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/*--------------------------------------------------------------------*//*!
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* \brief Resource object
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*
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* Test framework uses abstraction for data access instead of using
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* files directly to better support platforms where application resources
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* are not available directly in the filesystem.
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*
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* Resource objects are requested from Archive object provided by Platform.
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* The user is responsible of disposing the objects afterwards.
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*//*--------------------------------------------------------------------*/
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class Resource
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{
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public:
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virtual ~Resource (void) {}
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virtual void read (deUint8* dst, int numBytes) = 0;
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virtual int getSize (void) const = 0;
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virtual int getPosition (void) const = 0;
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virtual void setPosition (int position) = 0;
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const std::string& getName (void) const { return m_name; }
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protected:
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Resource (const std::string& name) : m_name(name) {}
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private:
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std::string m_name;
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};
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/*--------------------------------------------------------------------*//*!
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* \brief Abstract resource archive
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*//*--------------------------------------------------------------------*/
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class Archive
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{
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public:
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virtual ~Archive (void) {}
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/*--------------------------------------------------------------------*//*!
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* \brief Open resource
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*
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* Throws resource error if no resource with given name exists.
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*
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* Resource object must be deleted after use
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*
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* \param name Resource path
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* \return Resource object
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*//*--------------------------------------------------------------------*/
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virtual Resource* getResource (const char* name) const = 0;
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protected:
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Archive () {}
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};
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/*--------------------------------------------------------------------*//*!
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* \brief Directory-based archive implementation
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*//*--------------------------------------------------------------------*/
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class DirArchive : public Archive
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{
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public:
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DirArchive (const char* path);
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~DirArchive (void);
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Resource* getResource (const char* name) const;
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// \note Assignment and copy allowed
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DirArchive (const DirArchive& other) : Archive(), m_path(other.m_path) {}
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DirArchive& operator= (const DirArchive& other) { m_path = other.m_path; return *this; }
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private:
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std::string m_path;
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};
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class FileResource : public Resource
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{
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public:
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FileResource (const char* filename);
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~FileResource (void);
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void read (deUint8* dst, int numBytes);
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int getSize (void) const;
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int getPosition (void) const;
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void setPosition (int position);
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private:
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FileResource (const FileResource& other);
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FileResource& operator= (const FileResource& other);
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FILE* m_file;
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};
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class ResourcePrefix : public Archive
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{
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public:
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ResourcePrefix (const Archive& archive, const char* prefix);
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virtual ~ResourcePrefix (void) {}
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virtual Resource* getResource (const char* name) const;
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private:
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const Archive& m_archive;
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std::string m_prefix;
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};
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} // tcu
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#endif // _TCURESOURCE_HPP
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