#ifndef CPPJIEBA_SEGMENTBASE_H
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#define CPPJIEBA_SEGMENTBASE_H
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#include "limonp/Logging.hpp"
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#include "PreFilter.hpp"
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#include <cassert>
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namespace cppjieba {
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const char* const SPECIAL_SEPARATORS = " \t\n\xEF\xBC\x8C\xE3\x80\x82";
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using namespace limonp;
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class SegmentBase {
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public:
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SegmentBase() {
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XCHECK(ResetSeparators(SPECIAL_SEPARATORS));
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}
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virtual ~SegmentBase() {
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}
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virtual void Cut(const string& sentence, vector<string>& words) const = 0;
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bool ResetSeparators(const string& s) {
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symbols_.clear();
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RuneStrArray runes;
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if (!DecodeRunesInString(s, runes)) {
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XLOG(ERROR) << "decode " << s << " failed";
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return false;
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}
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for (size_t i = 0; i < runes.size(); i++) {
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if (!symbols_.insert(runes[i].rune).second) {
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XLOG(ERROR) << s.substr(runes[i].offset, runes[i].len) << " already exists";
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return false;
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}
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}
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return true;
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}
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protected:
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unordered_set<Rune> symbols_;
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}; // class SegmentBase
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} // cppjieba
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#endif
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