mirror of https://github.com/PCSX2/pcsx2.git
261 lines
5.1 KiB
C++
261 lines
5.1 KiB
C++
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/* PCSX2 - PS2 Emulator for PCs
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* Copyright (C) 2002-2021 PCSX2 Dev Team
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*
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* PCSX2 is free software: you can redistribute it and/or modify it under the terms
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* of the GNU Lesser General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with PCSX2.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "PrecompiledHeader.h"
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#include "StringUtil.h"
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#include <cctype>
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#include <codecvt>
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#include <cstdio>
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#include <sstream>
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#ifdef _WIN32
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#include "RedtapeWindows.h"
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#endif
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namespace StringUtil
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{
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std::string StdStringFromFormat(const char* format, ...)
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{
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std::va_list ap;
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va_start(ap, format);
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std::string ret = StdStringFromFormatV(format, ap);
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va_end(ap);
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return ret;
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}
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std::string StdStringFromFormatV(const char* format, std::va_list ap)
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{
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std::va_list ap_copy;
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va_copy(ap_copy, ap);
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#ifdef _WIN32
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int len = _vscprintf(format, ap_copy);
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#else
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int len = std::vsnprintf(nullptr, 0, format, ap_copy);
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#endif
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va_end(ap_copy);
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std::string ret;
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ret.resize(len);
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std::vsnprintf(ret.data(), ret.size() + 1, format, ap);
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return ret;
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}
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bool WildcardMatch(const char* subject, const char* mask, bool case_sensitive /*= true*/)
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{
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if (case_sensitive)
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{
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const char* cp = nullptr;
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const char* mp = nullptr;
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while ((*subject) && (*mask != '*'))
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{
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if ((*mask != '?') && (std::tolower(*mask) != std::tolower(*subject)))
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return false;
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mask++;
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subject++;
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}
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while (*subject)
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{
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if (*mask == '*')
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{
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if (*++mask == 0)
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return true;
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mp = mask;
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cp = subject + 1;
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}
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else
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{
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if ((*mask == '?') || (std::tolower(*mask) == std::tolower(*subject)))
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{
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mask++;
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subject++;
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}
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else
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{
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mask = mp;
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subject = cp++;
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}
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}
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}
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while (*mask == '*')
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{
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mask++;
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}
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return *mask == 0;
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}
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else
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{
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const char* cp = nullptr;
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const char* mp = nullptr;
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while ((*subject) && (*mask != '*'))
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{
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if ((*mask != *subject) && (*mask != '?'))
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return false;
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mask++;
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subject++;
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}
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while (*subject)
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{
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if (*mask == '*')
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{
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if (*++mask == 0)
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return true;
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mp = mask;
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cp = subject + 1;
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}
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else
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{
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if ((*mask == *subject) || (*mask == '?'))
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{
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mask++;
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subject++;
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}
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else
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{
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mask = mp;
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subject = cp++;
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}
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}
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}
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while (*mask == '*')
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{
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mask++;
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}
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return *mask == 0;
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}
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}
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std::size_t Strlcpy(char* dst, const char* src, std::size_t size)
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{
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std::size_t len = std::strlen(src);
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if (len < size)
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{
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std::memcpy(dst, src, len + 1);
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}
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else
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{
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std::memcpy(dst, src, size - 1);
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dst[size - 1] = '\0';
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}
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return len;
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}
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std::size_t Strlcpy(char* dst, const std::string_view& src, std::size_t size)
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{
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std::size_t len = src.length();
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if (len < size)
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{
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std::memcpy(dst, src.data(), len);
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dst[len] = '\0';
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}
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else
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{
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std::memcpy(dst, src.data(), size - 1);
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dst[size - 1] = '\0';
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}
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return len;
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}
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std::optional<std::vector<u8>> DecodeHex(const std::string_view& in)
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{
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std::vector<u8> data;
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data.reserve(in.size() / 2);
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for (size_t i = 0; i < in.size() / 2; i++)
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{
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std::optional<u8> byte = StringUtil::FromChars<u8>(in.substr(i * 2, 2), 16);
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if (byte.has_value())
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data.push_back(*byte);
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else
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return std::nullopt;
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}
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return {data};
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}
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std::string EncodeHex(const u8* data, int length)
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{
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std::stringstream ss;
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for (int i = 0; i < length; i++)
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ss << std::hex << std::setfill('0') << std::setw(2) << static_cast<int>(data[i]);
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return ss.str();
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}
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#ifdef _WIN32
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std::wstring UTF8StringToWideString(const std::string_view& str)
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{
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std::wstring ret;
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if (!UTF8StringToWideString(ret, str))
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return {};
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return ret;
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}
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bool UTF8StringToWideString(std::wstring& dest, const std::string_view& str)
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{
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int wlen = MultiByteToWideChar(CP_UTF8, 0, str.data(), static_cast<int>(str.length()), nullptr, 0);
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if (wlen < 0)
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return false;
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dest.resize(wlen);
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if (wlen > 0 && MultiByteToWideChar(CP_UTF8, 0, str.data(), static_cast<int>(str.length()), dest.data(), wlen) < 0)
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return false;
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return true;
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}
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std::string WideStringToUTF8String(const std::wstring_view& str)
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{
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std::string ret;
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if (!WideStringToUTF8String(ret, str))
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return {};
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return ret;
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}
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bool WideStringToUTF8String(std::string& dest, const std::wstring_view& str)
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{
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int mblen = WideCharToMultiByte(CP_UTF8, 0, str.data(), static_cast<int>(str.length()), nullptr, 0, nullptr, nullptr);
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if (mblen < 0)
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return false;
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dest.resize(mblen);
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if (mblen > 0 && WideCharToMultiByte(CP_UTF8, 0, str.data(), static_cast<int>(str.length()), dest.data(), mblen,
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nullptr, nullptr) < 0)
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{
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return false;
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}
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return true;
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}
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#endif
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} // namespace StringUtil
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