1 #ifndef _TCURESOURCE_HPP 2 #define _TCURESOURCE_HPP 3 /*------------------------------------------------------------------------- 4 * drawElements Quality Program Tester Core 5 * ---------------------------------------- 6 * 7 * Copyright 2014 The Android Open Source Project 8 * 9 * Licensed under the Apache License, Version 2.0 (the "License"); 10 * you may not use this file except in compliance with the License. 11 * You may obtain a copy of the License at 12 * 13 * http://www.apache.org/licenses/LICENSE-2.0 14 * 15 * Unless required by applicable law or agreed to in writing, software 16 * distributed under the License is distributed on an "AS IS" BASIS, 17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 18 * See the License for the specific language governing permissions and 19 * limitations under the License. 20 * 21 *//*! 22 * \file 23 * \brief Resource system. 24 *//*--------------------------------------------------------------------*/ 25 26 #include "tcuDefs.hpp" 27 28 #include <string> 29 30 // \todo [2010-07-31 pyry] Move Archive and File* to separate files 31 32 namespace tcu 33 { 34 35 /*--------------------------------------------------------------------*//*! 36 * \brief Resource object 37 * 38 * Test framework uses abstraction for data access instead of using 39 * files directly to better support platforms where application resources 40 * are not available directly in the filesystem. 41 * 42 * Resource objects are requested from Archive object provided by Platform. 43 * The user is responsible of disposing the objects afterwards. 44 *//*--------------------------------------------------------------------*/ 45 class Resource 46 { 47 public: ~Resource(void)48 virtual ~Resource(void) 49 { 50 } 51 52 virtual void read(uint8_t *dst, int numBytes) = 0; 53 virtual int getSize(void) const = 0; 54 virtual int getPosition(void) const = 0; 55 virtual void setPosition(int position) = 0; 56 getName(void) const57 const std::string &getName(void) const 58 { 59 return m_name; 60 } 61 62 protected: Resource(const std::string & name)63 Resource(const std::string &name) : m_name(name) 64 { 65 } 66 67 private: 68 std::string m_name; 69 }; 70 71 /*--------------------------------------------------------------------*//*! 72 * \brief Abstract resource archive 73 *//*--------------------------------------------------------------------*/ 74 class Archive 75 { 76 public: ~Archive(void)77 virtual ~Archive(void) 78 { 79 } 80 81 /*--------------------------------------------------------------------*//*! 82 * \brief Open resource 83 * 84 * Throws resource error if no resource with given name exists. 85 * 86 * Resource object must be deleted after use 87 * 88 * \param name Resource path 89 * \return Resource object 90 *//*--------------------------------------------------------------------*/ 91 virtual Resource *getResource(const char *name) const = 0; 92 93 protected: Archive()94 Archive() 95 { 96 } 97 }; 98 99 /*--------------------------------------------------------------------*//*! 100 * \brief Directory-based archive implementation 101 *//*--------------------------------------------------------------------*/ 102 class DirArchive : public Archive 103 { 104 public: 105 DirArchive(const char *path); 106 ~DirArchive(void); 107 108 Resource *getResource(const char *name) const; 109 110 // \note Assignment and copy allowed DirArchive(const DirArchive & other)111 DirArchive(const DirArchive &other) : Archive(), m_path(other.m_path) 112 { 113 } operator =(const DirArchive & other)114 DirArchive &operator=(const DirArchive &other) 115 { 116 m_path = other.m_path; 117 return *this; 118 } 119 120 private: 121 std::string m_path; 122 }; 123 124 class FileResource : public Resource 125 { 126 public: 127 FileResource(const char *filename); 128 ~FileResource(void); 129 130 void read(uint8_t *dst, int numBytes); 131 int getSize(void) const; 132 int getPosition(void) const; 133 void setPosition(int position); 134 135 private: 136 FileResource(const FileResource &other); 137 FileResource &operator=(const FileResource &other); 138 139 FILE *m_file; 140 }; 141 142 class ResourcePrefix : public Archive 143 { 144 public: 145 ResourcePrefix(const Archive &archive, const char *prefix); ~ResourcePrefix(void)146 virtual ~ResourcePrefix(void) 147 { 148 } 149 150 virtual Resource *getResource(const char *name) const; 151 152 private: 153 const Archive &m_archive; 154 std::string m_prefix; 155 }; 156 157 } // namespace tcu 158 159 #endif // _TCURESOURCE_HPP 160