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      1 #ifndef _TCUFUNCTIONLIBRARY_HPP
      2 #define _TCUFUNCTIONLIBRARY_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 Generic interface for library containing functions.
     24  *//*--------------------------------------------------------------------*/
     25 
     26 #include "tcuDefs.hpp"
     27 #include "deDynamicLibrary.hpp"
     28 
     29 #include <string>
     30 #include <vector>
     31 #include <map>
     32 
     33 namespace tcu
     34 {
     35 
     36 // \note Returned function pointers have same lifetime as the library.
     37 class FunctionLibrary
     38 {
     39 protected:
     40 								FunctionLibrary			(void);
     41 
     42 public:
     43 	virtual						~FunctionLibrary		(void);
     44 	virtual deFunctionPtr		getFunction				(const char* funcName) const = 0;
     45 
     46 private:
     47 								FunctionLibrary			(const FunctionLibrary&);
     48 	FunctionLibrary&			operator=				(const FunctionLibrary&);
     49 };
     50 
     51 class StaticFunctionLibrary : public FunctionLibrary
     52 {
     53 public:
     54 	struct Entry
     55 	{
     56 		const char*		name;
     57 		deFunctionPtr	ptr;
     58 	};
     59 
     60 								StaticFunctionLibrary	(const Entry* entries, int numEntries);
     61 								~StaticFunctionLibrary	(void);
     62 
     63 	deFunctionPtr				getFunction				(const char* funcName) const;
     64 
     65 private:
     66 
     67 								StaticFunctionLibrary	(const StaticFunctionLibrary&);
     68 	StaticFunctionLibrary&		operator=				(const StaticFunctionLibrary&);
     69 
     70 	// \todo [2014-03-11 pyry] This could be implemented with const char* pointers and custom compare.
     71 	std::map<std::string, deFunctionPtr>				m_functions;
     72 };
     73 
     74 class DynamicFunctionLibrary : public FunctionLibrary
     75 {
     76 public:
     77 								DynamicFunctionLibrary	(const char* fileName);
     78 								~DynamicFunctionLibrary	(void);
     79 
     80 	deFunctionPtr				getFunction				(const char* funcName) const;
     81 
     82 private:
     83 								DynamicFunctionLibrary	(const DynamicFunctionLibrary&);
     84 	DynamicFunctionLibrary&		operator=				(const DynamicFunctionLibrary&);
     85 
     86 	de::DynamicLibrary			m_dynamicLibrary;
     87 };
     88 
     89 class CompositeFunctionLibrary : public FunctionLibrary
     90 {
     91 public:
     92 									CompositeFunctionLibrary	(const FunctionLibrary* libraries, int numLibraries);
     93 									~CompositeFunctionLibrary	(void);
     94 
     95 	deFunctionPtr					getFunction					(const char* funcName) const;
     96 
     97 private:
     98 	const FunctionLibrary* const	m_libraries;
     99 	const int						m_numLibraries;
    100 };
    101 
    102 } // tcu
    103 
    104 #endif // _TCUFUNCTIONLIBRARY_HPP
    105