/usr/include/speech_tools/base_class/EST_features_io.cc is in libestools2.1-dev 1:2.1~release-8.
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/* */
/* Centre for Speech Technology Research */
/* University of Edinburgh, UK */
/* Copyright (c) 1998 */
/* All Rights Reserved. */
/* */
/* Permission is hereby granted, free of charge, to use and distribute */
/* this software and its documentation without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of this work, and to */
/* permit persons to whom this work is furnished to do so, subject to */
/* the following conditions: */
/* 1. The code must retain the above copyright notice, this list of */
/* conditions and the following disclaimer. */
/* 2. Any modifications must be clearly marked as such. */
/* 3. Original authors' names are not deleted. */
/* 4. The authors' names are not used to endorse or promote products */
/* derived from this software without specific prior written */
/* permission. */
/* */
/* THE UNIVERSITY OF EDINBURGH AND THE CONTRIBUTORS TO THIS WORK */
/* DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING */
/* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT */
/* SHALL THE UNIVERSITY OF EDINBURGH NOR THE CONTRIBUTORS BE LIABLE */
/* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES */
/* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN */
/* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, */
/* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF */
/* THIS SOFTWARE. */
/* */
/*************************************************************************/
/* Author : Alan W Black */
/* Date : March 1998 */
/*-----------------------------------------------------------------------*/
/* Features i/o */
/* This is kept separate from EST_Features to help reduce dependencies */
/*=======================================================================*/
#include <cstdlib>
#include "EST_Features.h"
#include "ling_class/EST_Item.h"
#include "EST_error.h"
#include "EST_String.h"
#include "EST_Token.h"
void EST_Features::set_function(const EST_String &name,
const EST_String &funcname)
{
EST_Item_featfunc f = get_featfunc(funcname,1);
set_path(name, est_val(f));
}
void EST_Features::save_fpair(ostream &outf,
const EST_String &fname,
const EST_Val &fvalue) const
{
/* Feature valued features themselves (so can't denot empty ones) */
if (fvalue.type() == val_type_feats)
{
EST_Features *f = feats(fvalue);
if (f->features->list.head() == 0)
{
// An empty feature set
outf << fname << " () ; ";
}
else
for (EST_Litem *q=f->features->list.head();
q != 0; q=q->next() )
save_fpair(outf,
fname+"."+f->features->list(q).k,
f->features->list(q).v);
return;
}
/* a non feature valued one */
// in case someone has () in their feature names (ought to be shot)
if (fname.contains("(") ||
fname.contains(")") ||
fname.contains(" ") || // bang, bang
fname.contains("\t") || // what smoking gun ?
fname.contains(";") ||
(fname == ""))
outf << quote_string(fname,"\"","\\",1) << " ";
else
outf << fname << " ";
if (fvalue == ";")
outf << "\";\"";
else if ((fvalue.type() == val_string) &&
((fvalue.string().matches(RXint)) ||
(fvalue.string().matches(RXdouble)) ||
(fvalue.string().contains("(")) ||
(fvalue.string().contains(")")) ||
(fvalue.string().contains(";")) ))
// force quoting, cause it looks like a number but isn't
outf << quote_string(fvalue.string(),"\"","\\",1);
else if (fvalue.type() == val_float)
{
char b[20];
sprintf(b,"%g",fvalue.Float());
outf << b;
}
else if (fvalue.type() == val_type_featfunc)
{
outf << "F:"<<get_featname(featfunc(fvalue));
}
else
outf << quote_string(fvalue.string());
outf << " ; ";
}
EST_write_status EST_Features::save(ostream &outf) const
{
// Save features
if (features->list.head() == 0)
outf << "()";
else
for (EST_Litem *p=features->list.head(); p != 0; p=p->next() )
save_fpair(outf,
features->list(p).k,
features->list(p).v);
return write_ok;
}
EST_write_status EST_Features::save_sexpr(ostream &outf) const
{
// Save features as an sexpression
outf << "(";
for (EST_Litem *p=features->list.head(); p != 0; p=p->next() )
{
const EST_String &fname = features->list(p).k;
const EST_Val &fvalue = features->list(p).v;
outf << "(";
// in case someone has () in their feature names (ought to be shot)
if (fname.contains("(") ||
fname.contains(")") ||
fname.contains(" ") ||
fname.contains("\t") ||
fname.contains(";"))
outf << quote_string(fname,"\"","\\",1);
else
outf << fname;
outf << " ";
if (fvalue == ";")
outf << "\";\"";
else if ((fvalue.type() == val_string) &&
((fvalue.string().matches(RXint)) ||
(fvalue.string().matches(RXdouble)) ||
(fvalue.string().contains("(")) ||
(fvalue.string().contains(")"))))
// force quoting, cause it looks like a number but isn't
// or contains a paren
outf << quote_string(fvalue.string(),"\"","\\",1);
else if (fvalue.type() == val_float)
{
char b[20];
sprintf(b,"%g",fvalue.Float());
outf << b;
}
else if (fvalue.type() == val_type_featfunc)
{
outf << "F:"<<get_featname(featfunc(fvalue));
}
else if (fvalue.type() == val_type_feats)
{
feats(fvalue)->save_sexpr(outf);
}
else
outf << quote_string(fvalue.string());
outf << ")";
if (p->next())
outf << " ";
}
outf << ")";
return write_ok;
}
EST_read_status EST_Features::load_sexpr(EST_TokenStream &ts)
{
/* Load in feature structure from sexpression */
if (ts.peek() != "(")
{
cerr << "load_features: no sexpression found\n";
return misc_read_error;
}
else
{
EST_String f;
EST_Token v;
ts.get(); /* skip opening paren */
for (; ts.peek() != ")"; )
{
if (ts.peek() != "(")
{
cerr << "load_features: no sexpression found\n";
return misc_read_error;
}
ts.get();
f = ts.get().string(); /* feature name */
if ((ts.peek() == "(") && (ts.peek().quoted() == FALSE))
{
EST_Features fv;
set(f,fv);
A(f).load_sexpr(ts);
}
else
{
v = ts.get();
if (v.quoted())
set(f,v.string());
else if (v.string().matches(RXint))
set(f,atoi(v.string()));
else if (v.string().matches(RXdouble))
set(f,atof(v.string()));
else if (v.string().contains("F:"))
{
EST_Item_featfunc func =
get_featfunc(v.string().after("F:"));
if (func != NULL)
set_val(f,est_val(func));
else
{
cerr << "load_features: Unknown Function '" << f <<"'\n";
set_val(f,feature_default_value);
}
}
else
set(f,v.string());
}
if (ts.get() != ")")
{
cerr << "load_features: no sexpression found\n";
return misc_read_error;
}
}
if (ts.get() != ")")
{
cerr << "load_features: no sexpression found\n";
return misc_read_error;
}
}
return format_ok;
}
EST_read_status EST_Features::load(EST_TokenStream &ts)
{
// load features from here to end of line separated by semicolons
EST_String f;
EST_Token v;
static EST_Val val0 = EST_Val(0);
while (!ts.eoln())
{
if (ts.eof())
{
cerr << "load_features: unexpected end of file\n";
return misc_read_error;
}
f = ts.get().string();
v = EST_String::Empty;
while (((ts.peek() != ";") || (ts.peek().quoted())) &&
(!ts.eof()) && (!ts.eoln()))
if (v == "")
v = ts.get();
else
v = v.string()
+ ts.peek().whitespace()
+ ts.get().string();
if (v.quoted() || (v.string() == ""))
set_path(f,EST_Val(v.string()));
else if (v.string() == "0") // very common cases for speed
set_path(f,val0);
else if ((strchr("0123456789-.",v.string()(0)) != NULL) &&
(v.string().matches(RXdouble)))
{
if (v.string().matches(RXint))
set_path(f, EST_Val(atoi(v.string())));
else
set_path(f, EST_Val(atof(v.string())));
}
else if (v.string().contains("F:"))
{
EST_Item_featfunc func = get_featfunc(v.string().after("F:"));
if (func != NULL)
set_path(f, est_val(func));
else
{
cerr << "load_features: Unknown Function '" << f <<"'\n";
set_path(f, feature_default_value);
}
}
else if (v.string() == "()")
{ // An empty feature set
EST_Features *fs = new EST_Features;
set_path(f,est_val(fs));
}
else if (v != "<contents>") // unsupported type
set_path(f,EST_Val(v.string()));
if (ts.peek() == ";")
ts.get();
else if (!ts.eoln())
{
cerr << "load_features: " << ts.pos_description() <<
" missing semicolon in feature list\n";
return misc_read_error;
}
}
return format_ok;
}
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