122 lines
4.9 KiB
C++
122 lines
4.9 KiB
C++
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/************************************************************************/
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/* */
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/* Centre for Speech Technology Research */
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/* University of Edinburgh, UK */
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/* Copyright (c) 1996,1997 */
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/* All Rights Reserved. */
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/* */
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/* Permission is hereby granted, free of charge, to use and distribute */
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/* this software and its documentation without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of this work, and to */
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/* permit persons to whom this work is furnished to do so, subject to */
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/* the following conditions: */
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/* 1. The code must retain the above copyright notice, this list of */
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/* conditions and the following disclaimer. */
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/* 2. Any modifications must be clearly marked as such. */
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/* 3. Original authors' names are not deleted. */
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/* 4. The authors' names are not used to endorse or promote products */
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/* derived from this software without specific prior written */
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/* permission. */
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/* */
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/* THE UNIVERSITY OF EDINBURGH AND THE CONTRIBUTORS TO THIS WORK */
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/* DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING */
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/* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT */
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/* SHALL THE UNIVERSITY OF EDINBURGH NOR THE CONTRIBUTORS BE LIABLE */
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/* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES */
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/* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN */
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/* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, */
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/* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF */
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/* THIS SOFTWARE. */
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/* */
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/*************************************************************************/
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/* */
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/* Author: Richard Caley (rjc@cstr.ed.ac.uk) */
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/* -------------------------------------------------------------------- */
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/* Represents a set of feature functions. */
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/* */
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/*************************************************************************/
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#include "ling_class/EST_Item.h"
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#include "ling_class/EST_FeatureFunctionPackage.h"
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static EST_Val Dummy_Func(EST_Item *) { return EST_Val(); }
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static struct EST_FeatureFunctionPackage::Entry Dummy_Entry = { Dummy_Func };
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template <> EST_String
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EST_THash<EST_String, EST_FeatureFunctionPackage::Entry>::Dummy_Key = "DUMMY";
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template <> EST_FeatureFunctionPackage::Entry
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EST_THash<EST_String, EST_FeatureFunctionPackage::Entry>::Dummy_Value = Dummy_Entry;
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ostream &operator << (ostream &s,
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EST_FeatureFunctionPackage::Entry &e)
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{
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(void)e;
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return s << "<<EST_FeatureFunctionPackage::Entry>>";
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}
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#if defined(INSTANTIATE_TEMPLATES)
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#include "../base_class/EST_THash.cc"
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Instantiate_TStringHash_T(EST_FeatureFunctionPackage::Entry, EST_FeatureFunctionPackage_Entry)
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#endif
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int operator == (const EST_FeatureFunctionPackage::Entry &e1,
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const EST_FeatureFunctionPackage::Entry &e2)
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{
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return e1.func == e2.func;
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}
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EST_FeatureFunctionPackage::EST_FeatureFunctionPackage(const EST_String name, int n)
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: p_name(name), p_entries(n)
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{
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#ifdef EST_DEBUGGING
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cerr << "initialise functionon package " << p_name << "\n";
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#endif
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}
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EST_FeatureFunctionPackage::EST_FeatureFunctionPackage(const char *name, int n)
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: p_name(name), p_entries(n)
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{
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}
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void EST_FeatureFunctionPackage::register_func(const EST_String &name,
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const EST_Item_featfunc func)
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{
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#ifdef EST_DEBUGGING
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cerr << "register " << p_name << "::" << name << "\n";
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#endif
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if (p_entries.present(name))
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EST_warning("Feature function %s::%s redefined",
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(const char *)p_name,
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(const char *)name);
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Entry e;
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e.func=func;
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p_entries.add_item(name, e);
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}
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const EST_FeatureFunctionPackage::Entry &EST_FeatureFunctionPackage::lookup(const EST_String &name, int &found) const
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{
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found=0;
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return p_entries.val(name, found);
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}
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const EST_String EST_FeatureFunctionPackage::lookup(const EST_Item_featfunc func, int &found) const
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{
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EST_TStringHash<Entry>::Entries p;
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for(p.begin(p_entries); p; ++p)
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if (p->v.func == func)
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{
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found=1;
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return p->k;
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}
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found=0;
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return "";
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}
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