MapInputSymbolsMapper< Arc, I > Class Template Reference

#include <fstext-utils-inl.h>

Collaboration diagram for MapInputSymbolsMapper< Arc, I >:

Public Member Functions
Arc	operator() (const Arc &arc_in)
MapFinalAction	FinalAction () const
MapSymbolsAction	InputSymbolsAction () const
MapSymbolsAction	OutputSymbolsAction () const
uint64	Properties (uint64 props) const
	MapInputSymbolsMapper (const std::vector< I > &to_remove, bool copy)
	~MapInputSymbolsMapper ()

Private Attributes
bool	owned
const std::vector< I > *	symbol_mapping_

Detailed Description

template<class Arc, class I>
class fst::MapInputSymbolsMapper< Arc, I >

Definition at line 127 of file fstext-utils-inl.h.

Constructor & Destructor Documentation

MapInputSymbolsMapper()

MapInputSymbolsMapper ( const std::vector< I > &  to_remove, bool  copy  )

inline

Definition at line 155 of file fstext-utils-inl.h.

References KALDI_ASSERT_IS_INTEGER_TYPE, MapInputSymbolsMapper< Arc, I >::owned, and MapInputSymbolsMapper< Arc, I >::symbol_mapping_.

                                                                  {
    KALDI_ASSERT_IS_INTEGER_TYPE(I);
    if (copy) symbol_mapping_ = new std::vector<I> (to_remove);
    else symbol_mapping_ = &to_remove;
    owned = copy;
  }

~MapInputSymbolsMapper()

~MapInputSymbolsMapper ( )

inline

Definition at line 161 of file fstext-utils-inl.h.

References MapInputSymbolsMapper< Arc, I >::owned, and MapInputSymbolsMapper< Arc, I >::symbol_mapping_.

{ if (owned && symbol_mapping_ != NULL) delete symbol_mapping_; }

Member Function Documentation

FinalAction()

MapFinalAction FinalAction ( ) const

inline

Definition at line 136 of file fstext-utils-inl.h.

{ return MAP_NO_SUPERFINAL; }

InputSymbolsAction()

MapSymbolsAction InputSymbolsAction ( ) const

inline

Definition at line 137 of file fstext-utils-inl.h.

{ return MAP_CLEAR_SYMBOLS; }

operator()()

Arc operator() ( const Arc &  arc_in )

inline

Definition at line 129 of file fstext-utils-inl.h.

                                     {
    Arc ans = arc_in;
    if (ans.ilabel > 0 &&
       ans.ilabel < static_cast<typename Arc::Label>((*symbol_mapping_).size()))
      ans.ilabel = (*symbol_mapping_)[ans.ilabel];
    return ans;
  }

OutputSymbolsAction()

MapSymbolsAction OutputSymbolsAction ( ) const

inline

Definition at line 138 of file fstext-utils-inl.h.

{ return MAP_COPY_SYMBOLS; }

Properties()

uint64 Properties ( uint64  props ) const

inline

Definition at line 139 of file fstext-utils-inl.h.

References MapInputSymbolsMapper< Arc, I >::symbol_mapping_.

                                        {  // Not tested.
    bool remove_epsilons = (symbol_mapping_->size() > 0 && (*symbol_mapping_)[0] != 0);
    bool add_epsilons = (symbol_mapping_->size() > 1 &&
                         *std::min_element(symbol_mapping_->begin()+1, symbol_mapping_->end()) == 0);

    // remove the following as we don't know now if any of them are true.
    uint64 props_to_remove = kAcceptor|kNotAcceptor|kIDeterministic|kNonIDeterministic|
        kILabelSorted|kNotILabelSorted;
    if (remove_epsilons) props_to_remove |= kEpsilons|kIEpsilons;
    if (add_epsilons) props_to_remove |=  kNoEpsilons|kNoIEpsilons;
    uint64 props_to_add = 0;
    if (remove_epsilons && !add_epsilons) props_to_add |= kNoEpsilons|kNoIEpsilons;
    return (props & ~props_to_remove) | props_to_add;
  }

Member Data Documentation

owned

bool owned

private

Definition at line 163 of file fstext-utils-inl.h.

Referenced by MapInputSymbolsMapper< Arc, I >::MapInputSymbolsMapper(), and MapInputSymbolsMapper< Arc, I >::~MapInputSymbolsMapper().

symbol_mapping_

const std::vector<I>* symbol_mapping_

private

Definition at line 164 of file fstext-utils-inl.h.

Referenced by MapInputSymbolsMapper< Arc, I >::MapInputSymbolsMapper(), MapInputSymbolsMapper< Arc, I >::Properties(), and MapInputSymbolsMapper< Arc, I >::~MapInputSymbolsMapper().

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The documentation for this class was generated from the following file:

• fstext/fstext-utils-inl.h