/usr/include/hfst/HfstOlTransducer.h is in libhfst45-dev 3.10.0~r2798-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 | // Copyright (c) 2016 University of Helsinki
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 3 of the License, or (at your option) any later version.
// See the file COPYING included with this distribution for more
// information.
#ifndef _HFST_OL_TRANSDUCER_H_
#define _HFST_OL_TRANSDUCER_H_
#include <iostream>
#include <fstream>
#include "../HfstExceptionDefs.h"
#include "../HfstFlagDiacritics.h"
#include "../HfstExtractStrings.h"
#include "optimized-lookup/transducer.h"
/** @file HfstOlTransducer.h
\brief Declaration of classes for HFST's optimized lookup
transducer format. */
namespace hfst { namespace implementations
{
using std::ostream;
using std::ofstream;
using std::istream;
using std::ifstream;
using std::string;
;
class HfstOlInputStream
{
private:
std::string filename;
ifstream i_stream;
istream &input_stream;
bool weighted;
void skip_identifier_version_3_0(void);
void skip_hfst_header(void);
public:
HfstOlInputStream(bool weighted);
HfstOlInputStream(const std::string &filename, bool weighted);
void open(void);
void close(void);
bool is_open(void) const;
bool is_eof(void) const;
bool is_bad(void) const;
bool is_good(void) const;
bool is_fst(void) const;
char stream_get();
short stream_get_short();
void stream_unget(char c);
void ignore(unsigned int n);
bool operator() (void) const;
hfst_ol::Transducer * read_transducer(bool has_header);
// 1=unweighted, 2=weighted
static int is_fst(FILE * f);
static int is_fst(istream &s);
};
class HfstOlOutputStream
{
private:
std::string filename;
ofstream o_stream;
ostream &output_stream;
bool weighted;
public:
HfstOlOutputStream(bool weighted);
HfstOlOutputStream(const std::string &filename, bool weighted);
void open(void);
void close(void);
void write(const char &c);
void write_transducer(hfst_ol::Transducer * transducer);
};
class HfstOlTransducer
{
public:
static hfst_ol::Transducer * create_empty_transducer(bool weighted);
static bool is_cyclic(hfst_ol::Transducer* t);
static void extract_paths
(hfst_ol::Transducer * t, hfst::ExtractStringsCb& callback,
int cycles=-1, const FdTable<hfst_ol::SymbolNumber>* fd=NULL,
bool filter_fd=false);
static const FdTable<hfst_ol::SymbolNumber>*
get_flag_diacritics(hfst_ol::Transducer* t);
static StringSet get_alphabet(hfst_ol::Transducer * t);
};
} }
#endif
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