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70 lines
1.9 KiB
C++
70 lines
1.9 KiB
C++
//
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// Created by koncord on 24.01.16.
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//
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#ifndef SOURCEPAWN_UTILS_HPP
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#define SOURCEPAWN_UTILS_HPP
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#include <cstddef>
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#include <string>
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#if (!defined(DEBUG_PRINTF) && defined(DEBUG))
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#define DEBUG_PRINTF printf
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#else
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#define DEBUG_PRINTF(...)
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#endif
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namespace Utils
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{
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template<size_t N>
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constexpr unsigned int hash(const char(&str)[N], size_t I = N)
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{
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return (I == 1 ? ((2166136261u ^ str[0]) * 16777619u) : ((hash(str, I - 1) ^ str[I - 1]) * 16777619u));
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}
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inline unsigned int hash(const char *str, std::size_t I)
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{
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return (I == 1 ? ((2166136261u ^ str[0]) * 16777619u) : ((hash(str, I - 1) ^ str[I - 1]) * 16777619u));
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}
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void timestamp();
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int progress_func(double TotalToDownload, double NowDownloaded);
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bool DoubleCompare(double a, double b, double epsilon);
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std::string str_replace(const std::string &source, const char *find, const char *replace);
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std::string &RemoveExtension(std::string &file);
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unsigned int FileLength(const char *file);
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unsigned int crc32buf(char *buf, size_t len);
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unsigned int updateCRC32(unsigned char ch, unsigned int crc);
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bool crc32file(const char *name, unsigned int *crc);
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template<typename F, typename T, typename E = void>
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struct is_static_castable : std::false_type
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{
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};
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template<typename F, typename T>
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struct is_static_castable<F, T, typename std::conditional<true, void, decltype(static_cast<T>(std::declval<F>()))>::type>
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: std::true_type
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{
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};
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template<typename T, typename F>
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inline static typename std::enable_if<is_static_castable<F *, T *>::value, T *>::type static_or_dynamic_cast(
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F *from)
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{ return static_cast<T *>(from); }
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template<typename T, typename F>
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inline static typename std::enable_if<!is_static_castable<F *, T *>::value, T *>::type static_or_dynamic_cast(
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F *from)
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{ return dynamic_cast<T *>(from); }
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}
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#endif //SOURCEPAWN_UTILS_HPP
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