ukui-search/libchinese-segmentation/cppjieba/SegmentBase.hpp

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