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108 lines
2.4 KiB
108 lines
2.4 KiB
6 years ago
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//=============================================================================
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//
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// Copyright (c) 2016 Qualcomm Technologies, Inc.
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// All Rights Reserved.
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// Confidential and Proprietary - Qualcomm Technologies, Inc.
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//
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//=============================================================================
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#include <cstdio>
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#include "ZdlExportDefine.hpp"
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#ifndef DL_SYSTEM_STRINGLIST_HPP
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#define DL_SYSTEM_STRINGLIST_HPP
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namespace zdl
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{
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namespace DlSystem
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{
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/** @addtogroup c_plus_plus_apis C++
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@{ */
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/**
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* @brief .
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*
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* Class for holding an order list of null-terminated ASCII strings.
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*/
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class ZDL_EXPORT StringList final
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{
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public:
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StringList() {}
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/**
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* Construct a string list with some pre-allocated memory.
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* @warning Contents of the list will be uninitialized
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* @param[in] length Number of elements for which to pre-allocate space.
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*/
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explicit StringList(size_t length);
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/**
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* Append a string to the list.
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* @param[in] str Null-terminated ASCII string to append to the list.
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*/
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void append(const char* str);
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/**
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* Returns the string at the indicated position,
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* or an empty string if the positions is greater than the size
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* of the list.
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* @param[in] idx Position in the list of the desired string
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*/
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const char* at(size_t idx) const noexcept;
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/**
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* Pointer to the first string in the list.
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* Can be used to iterate through the list.
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*/
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const char** begin() const noexcept;
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/**
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* Pointer to one after the last string in the list.
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* Can be used to iterate through the list.
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*/
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const char** end() const noexcept;
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/**
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* Return the number of valid string pointers held by this list.
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*/
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size_t size() const noexcept;
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/**
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* assignment operator.
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*/
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StringList& operator=(const StringList&) noexcept;
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/**
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* copy constructor.
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* @param[in] other object to copy.
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*/
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StringList(const StringList& other);
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/**
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* move constructor.
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* @param[in] other object to move.
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*/
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StringList(StringList&& other) noexcept;
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~StringList();
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private:
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void copy(const StringList& other);
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void resize(size_t length);
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void clear();
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static const char* s_Empty;
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const char** m_Strings = nullptr;
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const char** m_End = nullptr;
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size_t m_Size = 0;
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};
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} // DlSystem namespace
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} // zdl namespace
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/** @} */ /* end_addtogroup c_plus_plus_apis C++ */
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#endif // DL_SYSTEM_STRINGLIST_HPP
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