mirror of
https://github.com/HIllya51/LunaHook.git
synced 2024-11-24 14:25:37 +08:00
53 lines
1.8 KiB
C++
53 lines
1.8 KiB
C++
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#include "extension.h"
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bool ProcessSentence(std::wstring& sentence, SentenceInfo sentenceInfo)
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{
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if (sentenceInfo["text number"] == 0) return false;
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// This algorithm looks at all the prefixes of the sentence: if a prefix is found later in the sentence, it is removed from the beginning and the process is repeated
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auto timeout = GetTickCount64() + 30'000; // give up if taking over 30 seconds
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auto data = std::make_unique<wchar_t[]>(sentence.size() + 1);
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wcscpy_s(data.get(), sentence.size() + 1, sentence.c_str());
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wchar_t* dataEnd = data.get() + sentence.size();
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int skip = 0, count = 0;
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for (wchar_t* end = dataEnd; end - data.get() > skip && GetTickCount64() < timeout; --end)
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{
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std::swap(*end, *dataEnd);
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int junkLength = end - data.get() - skip;
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auto junkFound = wcsstr(sentence.c_str() + skip + junkLength, data.get() + skip);
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std::swap(*end, *dataEnd);
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if (junkFound)
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{
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if (count && junkLength < min(skip / count, 4)) break;
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skip += junkLength;
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count += 1;
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end = dataEnd;
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}
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}
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if (count && skip / count >= 3)
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{
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sentence = data.get() + skip;
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return true;
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}
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return false;
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}
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TEST(
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{
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InfoForExtension nonConsole[] = { { "text number", 1 }, {} };
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std::wstring cyclicRepeats = L"_abcde_abcdef_abcdefg_abcdefg_abcdefg_abcdefg_abcdefg";
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std::wstring buildupRepeats = L"__a_ab_abc_abcd_abcde_abcdef_abcdefg";
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ProcessSentence(cyclicRepeats, { nonConsole });
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ProcessSentence(buildupRepeats, { nonConsole });
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assert(cyclicRepeats == L"_abcdefg");
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assert(buildupRepeats == L"_abcdefg");
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std::wstring empty = L"", one = L" ", normal = L"This is a normal sentence. はい";
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ProcessSentence(empty, { nonConsole });
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ProcessSentence(one, { nonConsole });
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ProcessSentence(normal, { nonConsole });
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assert(empty == L"" && one == L" " && normal == L"This is a normal sentence. はい");
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}
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);
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