mirror of
https://github.com/RPCS3/rpcs3.git
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360 lines
9.3 KiB
C++
360 lines
9.3 KiB
C++
#pragma once
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class wxString;
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#if defined(_MSC_VER) && _MSC_VER <= 1800
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#define snprintf _snprintf
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#endif
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namespace fmt
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{
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//struct empty_t{};
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//extern const std::string placeholder;
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template <typename T>
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std::string AfterLast(const std::string& source, T searchstr)
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{
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size_t search_pos = source.rfind(searchstr);
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search_pos = search_pos == std::string::npos ? 0 : search_pos;
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return source.substr(search_pos);
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}
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template <typename T>
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std::string BeforeLast(const std::string& source, T searchstr)
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{
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size_t search_pos = source.rfind(searchstr);
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search_pos = search_pos == std::string::npos ? 0 : search_pos;
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return source.substr(0, search_pos);
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}
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template <typename T>
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std::string AfterFirst(const std::string& source, T searchstr)
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{
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size_t search_pos = source.find(searchstr);
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search_pos = search_pos == std::string::npos ? 0 : search_pos;
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return source.substr(search_pos);
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}
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template <typename T>
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std::string BeforeFirst(const std::string& source, T searchstr)
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{
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size_t search_pos = source.find(searchstr);
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search_pos = search_pos == std::string::npos ? 0 : search_pos;
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return source.substr(0, search_pos);
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}
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// write `fmt` from `pos` to the first occurence of `fmt::placeholder` to
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// the stream `os`. Then write `arg` to to the stream. If there's no
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// `fmt::placeholder` after `pos` everything in `fmt` after pos is written
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// to `os`. Then `arg` is written to `os` after appending a space character
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//template<typename T>
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//empty_t write(const std::string &fmt, std::ostream &os, std::string::size_type &pos, T &&arg)
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//{
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// std::string::size_type ins = fmt.find(placeholder, pos);
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// if (ins == std::string::npos)
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// {
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// os.write(fmt.data() + pos, fmt.size() - pos);
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// os << ' ' << arg;
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// pos = fmt.size();
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// }
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// else
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// {
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// os.write(fmt.data() + pos, ins - pos);
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// os << arg;
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// pos = ins + placeholder.size();
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// }
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// return{};
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//}
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// typesafe version of a sprintf-like function. Returns the printed to
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// string. To mark positions where the arguments are supposed to be
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// inserted use `fmt::placeholder`. If there's not enough placeholders
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// the rest of the arguments are appended at the end, seperated by spaces
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//template<typename ... Args>
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//std::string SFormat(const std::string &fmt, Args&& ... parameters)
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//{
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// std::ostringstream os;
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// std::string::size_type pos = 0;
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// std::initializer_list<empty_t> { write(fmt, os, pos, parameters)... };
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// if (!fmt.empty())
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// {
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// os.write(fmt.data() + pos, fmt.size() - pos);
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// }
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// std::string result = os.str();
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// return result;
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//}
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std::string replace_first(const std::string& src, const std::string& from, const std::string& to);
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std::string replace_all(const std::string &src, const std::string& from, const std::string& to);
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template<size_t list_size>
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std::string replace_all(std::string src, const std::pair<std::string, std::string>(&list)[list_size])
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{
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for (size_t pos = 0; pos < src.length(); ++pos)
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{
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for (size_t i = 0; i < list_size; ++i)
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{
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const size_t comp_length = list[i].first.length();
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if (src.length() - pos < comp_length)
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continue;
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if (src.substr(pos, comp_length) == list[i].first)
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{
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src = (pos ? src.substr(0, pos) + list[i].second : list[i].second) + src.substr(pos + comp_length);
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pos += list[i].second.length() - 1;
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break;
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}
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}
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}
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return src;
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}
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template<size_t list_size>
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std::string replace_all(std::string src, const std::pair<std::string, std::function<std::string()>>(&list)[list_size])
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{
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for (size_t pos = 0; pos < src.length(); ++pos)
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{
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for (size_t i = 0; i < list_size; ++i)
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{
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const size_t comp_length = list[i].first.length();
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if (src.length() - pos < comp_length)
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continue;
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if (src.substr(pos, comp_length) == list[i].first)
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{
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src = (pos ? src.substr(0, pos) + list[i].second() : list[i].second()) + src.substr(pos + comp_length);
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pos += list[i].second().length() - 1;
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break;
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}
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}
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}
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return src;
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}
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std::string to_hex(u64 value, u64 count = 1);
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std::string to_udec(u64 value);
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std::string to_sdec(s64 value);
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template<typename T, bool is_enum = std::is_enum<T>::value> struct unveil
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{
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using result_type = T;
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force_inline static result_type get_value(const T& arg)
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{
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return arg;
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}
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};
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template<> struct unveil<const char*, false>
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{
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using result_type = const char* const;
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force_inline static result_type get_value(const char* const& arg)
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{
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return arg;
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}
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};
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template<std::size_t N> struct unveil<char[N], false>
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{
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using result_type = const char* const;
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force_inline static result_type get_value(const char(&arg)[N])
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{
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return arg;
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}
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};
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template<> struct unveil<std::string, false>
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{
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using result_type = const char*;
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force_inline static result_type get_value(const std::string& arg)
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{
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return arg.c_str();
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}
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};
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template<typename T> struct unveil<T, true>
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{
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using result_type = std::underlying_type_t<T>;
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force_inline static result_type get_value(const T& arg)
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{
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return static_cast<result_type>(arg);
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}
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};
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template<typename T, bool Se> struct unveil<se_t<T, Se>, false>
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{
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using result_type = typename unveil<T>::result_type;
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force_inline static result_type get_value(const se_t<T, Se>& arg)
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{
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return unveil<T>::get_value(arg);
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}
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};
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template<typename T>
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force_inline typename unveil<T>::result_type do_unveil(const T& arg)
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{
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return unveil<T>::get_value(arg);
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}
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// Formatting function with special functionality:
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//
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// std::string is forced to .c_str()
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// be_t<> is forced to .value() (fmt::do_unveil reverts byte order automatically)
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//
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// External specializations for fmt::do_unveil (can be found in another headers):
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// vm::ptr, vm::bptr, ... (fmt::do_unveil) (vm_ptr.h) (with appropriate address type, using .addr() can be avoided)
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// vm::ref, vm::bref, ... (fmt::do_unveil) (vm_ref.h)
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//
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template<typename... Args>
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safe_buffers std::string format(const char* fmt, const Args&... args)
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{
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// fixed stack buffer for the first attempt
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std::array<char, 4096> fixed_buf;
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// possibly dynamically allocated buffer for the second attempt
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std::unique_ptr<char[]> buf;
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// pointer to the current buffer
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char* buf_addr = fixed_buf.data();
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for (std::size_t buf_size = fixed_buf.size();;)
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{
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#ifndef _MSC_VER
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wformat-security"
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#endif
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const std::size_t len = std::snprintf(buf_addr, buf_size, fmt, do_unveil(args)...);
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#ifndef _MSC_VER
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#pragma GCC diagnostic pop
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#endif
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if (len > INT_MAX)
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{
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throw std::runtime_error("std::snprintf() failed");
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}
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if (len < buf_size)
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{
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return{ buf_addr, len };
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}
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buf.reset(buf_addr = new char[buf_size = len + 1]);
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}
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}
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struct exception : public std::exception
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{
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std::unique_ptr<char[]> message;
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template<typename... Args> never_inline safe_buffers exception(const char* file, int line, const char* func, const char* text, Args... args) noexcept
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{
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const std::string data = format(text, args...) + format("\n(in file %s:%d, in function %s)", file, line, func);
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message.reset(new char[data.size() + 1]);
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std::memcpy(message.get(), data.c_str(), data.size() + 1);
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}
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exception(const exception& other) noexcept
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{
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const std::size_t size = std::strlen(other.message.get());
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message.reset(new char[size + 1]);
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std::memcpy(message.get(), other.message.get(), size + 1);
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}
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virtual const char* what() const noexcept override
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{
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return message.get();
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}
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};
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//convert a wxString to a std::string encoded in utf8
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//CAUTION, only use this to interface with wxWidgets classes
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std::string ToUTF8(const wxString& right);
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//convert a std::string encoded in utf8 to a wxString
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//CAUTION, only use this to interface with wxWidgets classes
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wxString FromUTF8(const std::string& right);
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//TODO: remove this after every snippet that uses it is gone
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//WARNING: not fully compatible with CmpNoCase from wxString
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int CmpNoCase(const std::string& a, const std::string& b);
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//TODO: remove this after every snippet that uses it is gone
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//WARNING: not fully compatible with Replace from wxString
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void Replace(std::string &str, const std::string &searchterm, const std::string& replaceterm);
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std::vector<std::string> rSplit(const std::string& source, const std::string& delim);
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std::vector<std::string> split(const std::string& source, std::initializer_list<std::string> separators, bool is_skip_empty = true);
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std::string trim(const std::string& source, const std::string& values = " \t");
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template<typename T>
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std::string merge(const T& source, const std::string& separator)
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{
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if (!source.size())
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{
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return{};
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}
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std::string result;
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auto it = source.begin();
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auto end = source.end();
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for (--end; it != end; ++it)
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{
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result += *it + separator;
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}
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return result + source.back();
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}
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template<typename T>
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std::string merge(std::initializer_list<T> sources, const std::string& separator)
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{
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if (!sources.size())
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{
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return{};
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}
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std::string result;
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bool first = true;
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for (auto &v : sources)
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{
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if (first)
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{
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result = fmt::merge(v, separator);
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first = false;
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}
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else
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{
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result += separator + fmt::merge(v, separator);
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}
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}
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return result;
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}
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std::string tolower(std::string source);
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std::string toupper(std::string source);
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std::string escape(std::string source);
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bool match(const std::string &source, const std::string &mask);
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}
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