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#ifndef _TDICT_H_
#define _TDICT_H_
#include <string>
#include <vector>
#include "wordid.h"
#include <assert.h>
class Vocab;
struct TD {
/* // disabled for now
static const int reserved_begin=10; // allow room for SRI special tokens e.g. unk ss se pause. tokens until this get "<FILLERi>"
static const int n_reserved=10; // 0...n_reserved-1 get token '<RESERVEDi>'
static inline WordID reserved(int i) {
assert(i>=0 && i<n_reserved);
return (WordID)(reserved_begin+i);
}
static inline WordID begin() {
return reserved(n_reserved);
}
*/
static const WordID max_wordid=0x7fffffff;
static const WordID none=(WordID)-1; // Vocab_None
static char const* const ss_str; //="<s>";
static char const* const se_str; //="</s>";
static char const* const unk_str; //="<unk>";
static WordID ss,se,unk; // x=Convert(x_str)
static WordID end(); // next id to be assigned; [begin,end) give the non-reserved tokens seen so far
static Vocab dict_;
static void ConvertSentence(std::string const& sent, std::vector<WordID>* ids);
static void GetWordIDs(const std::vector<std::string>& strings, std::vector<WordID>* ids);
static std::string GetString(const std::vector<WordID>& str);
static std::string GetString(WordID const* i,WordID const* e);
static int AppendString(const WordID& w, int pos, int bufsize, char* buffer);
static unsigned int NumWords();
static WordID Convert(const std::string& s);
static WordID Convert(char const* s);
static const char* Convert(WordID w);
};
struct ToTD {
typedef WordID result_type;
result_type operator()(std::string const& t) const {
return TD::Convert(t);
}
};
#endif
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