63 lines
1.8 KiB
C++
63 lines
1.8 KiB
C++
#include "extension.h"
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#include <set>
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#include <mutex>
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bool RemoveRepeatedChars(std::wstring& sentence)
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{
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int repeatNumber = 0;
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wchar_t prevChar = sentence[0];
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for (auto i : sentence)
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if (i == prevChar) repeatNumber++;
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else break;
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if (repeatNumber == 1) return false;
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for (int i = 0; i < sentence.size(); i += repeatNumber)
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for (int j = i; j < sentence.size(); ++j)
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if (sentence[j] != sentence[i])
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if ((j - i) % repeatNumber != 0) return false;
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else break;
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std::wstring newSentence = L"";
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for (int i = 0; i < sentence.size(); ++i) if (i % repeatNumber == 0) newSentence.push_back(sentence[i]);
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sentence = newSentence;
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return true;
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}
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bool RemoveCyclicRepeats(std::wstring& sentence)
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{
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if (sentence == L"") Skip();
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int junkLength = 0;
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wchar_t junk[2000] = {};
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while (wcsstr(sentence.c_str() + junkLength, junk))
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{
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junk[junkLength] = sentence[junkLength];
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if (++junkLength >= 2000) return false;
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}
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if (--junkLength >= 5) // If the first 5 characters appear later on, there's probably a repetition issue.
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{
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sentence = std::wstring(sentence.c_str() + junkLength);
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RemoveCyclicRepeats(sentence);
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return true;
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}
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return false;
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}
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bool RemoveRepeatedSentences(std::wstring& sentence, int64_t handle)
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{
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static std::set<std::pair<int64_t, std::wstring>> seenSentences;
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static std::mutex m;
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std::lock_guard<std::mutex> l(m);
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if (seenSentences.count({ handle, sentence }) != 0) Skip();
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seenSentences.insert({ handle, sentence });
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return false;
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}
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bool ProcessSentence(std::wstring& sentence, SentenceInfo sentenceInfo)
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{
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if (sentenceInfo["hook address"] == -1) return false;
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bool ret = false;
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ret |= RemoveRepeatedChars(sentence);
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ret |= RemoveCyclicRepeats(sentence);
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ret |= RemoveRepeatedSentences(sentence, sentenceInfo["text handle"]);
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return ret;
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} |