sukibaby
77bf60f6e1
Update StdString.h Update CMakeData-globals.cmake This is just meant to hold us over until std::string is implemented and tested to be release-stable.
119 lines
2.5 KiB
C++
119 lines
2.5 KiB
C++
// I've reorganized StdString.h to be optimized for the ITGmania engine.
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//
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// A huge amount of code bloat was traditionally due to these functions being
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// inlined. Performance issues with RStrings are largely mitigated by migrating
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// frequently used functions here. Aside from the added declaration of 'noexcept',
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// everything here is the same as it was when it was in the original header file.
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//
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// Testing showed a 100-250FPS gain on all platforms with these functions moved in here.
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//
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// A couple things, like ssasn, were updated to be more idiomatic for C++ but remain
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// functionally identical.
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//
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// This is just meant to hold us over until we get std::string fully worked into
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// the engine, tested with Simply Love, etc. (unless this ends up better than
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// std::string for some reason).
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//
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// --sukibaby
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#include "global.h"
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#include "StdString.h"
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namespace StdString
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{
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void ssasn(std::string& sDst, const std::string& sSrc) noexcept
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{
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if (sDst.c_str() != sSrc.c_str())
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{
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sDst = sSrc;
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}
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}
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void ssasn(std::wstring& sDst, const std::wstring& sSrc) noexcept
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{
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if (sDst.c_str() != sSrc.c_str())
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{
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sDst = sSrc;
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}
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}
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void ssasn(std::string& sDst, PCSTR pA) noexcept
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{
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sDst = pA ? pA : "";
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}
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void ssasn(std::wstring& sDst, PCWSTR pA) noexcept
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{
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sDst = pA ? pA : L"";
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}
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void ssadd(std::string& sDst, const std::string& sSrc) noexcept
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{
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sDst += sSrc;
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}
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void ssadd(std::wstring& sDst, const std::wstring& sSrc) noexcept
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{
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sDst += sSrc;
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}
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void ssadd(std::string& sDst, PCSTR pA) noexcept
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{
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if (pA)
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{
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if (pA >= sDst.c_str() && pA <= sDst.c_str() + sDst.length())
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{
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if (sDst.capacity() <= sDst.size() + strlen(pA))
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sDst.append(std::string(pA));
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else
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sDst.append(pA);
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}
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else
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{
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sDst.append(pA);
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}
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}
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}
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void ssadd(std::wstring& sDst, PCWSTR pA) noexcept
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{
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if (pA)
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{
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if (pA >= sDst.c_str() && pA <= sDst.c_str() + sDst.length())
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{
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if (sDst.capacity() <= sDst.size() + wcslen(pA))
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sDst.append(std::wstring(pA));
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else
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sDst.append(pA);
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}
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else
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{
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sDst.append(pA);
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}
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}
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}
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char sstoupper(char ch) noexcept
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{
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return (ch >= 'a' && ch <= 'z') ? char(ch + 'A' - 'a') : ch;
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}
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char sstolower(char ch) noexcept
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{
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return (ch >= 'A' && ch <= 'Z') ? char(ch + 'a' - 'A') : ch;
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}
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wchar_t sstoupper(wchar_t ch) noexcept
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{
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return (ch >= L'a' && ch <= L'z') ? wchar_t(ch + L'A' - L'a') : ch;
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}
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wchar_t sstolower(wchar_t ch) noexcept
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{
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return (ch >= L'A' && ch <= L'Z') ? wchar_t(ch + L'a' - L'A') : ch;
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}
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}
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// see StdString.h for license
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