Edinburgh Speech Tools 2.4-release
 
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EST_item_aux.h
1 /************************************************************************/
2 /* */
3 /* Centre for Speech Technology Research */
4 /* University of Edinburgh, UK */
5 /* Copyright (c) 1996,1997 */
6 /* All Rights Reserved. */
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30 /* THIS SOFTWARE. */
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32 /*************************************************************************/
33
34
35#ifndef __EST_ITEM_AUX_H__
36#define __EST_ITEM_AUX_H__
37
38/** Non core feature funtionality.
39 *
40 * @author Richard Caley <rjc@cstr.ed.ac.uk>
41 * @version $Id: EST_item_aux.h,v 1.3 2004/05/24 10:32:30 korin Exp $
42 */
43
44//@{
45
46#include "EST_features_aux.h"
47
48class EST_Item;
49class EST_String;
50
51/** Safe feature access functions.
52 *
53 * These functions are guaranteed to return a value even if
54 * there is an otherwise fatal error.
55 */
56//@{
57
58/// Return the value as an EST_Val.
59EST_Val getVal(const EST_Item &f,
60 const EST_String name,
61 const EST_Val &def,
62 EST_feat_status &s);
63
64/// Return the value as a string.
65EST_String getString(const EST_Item &f,
66 const EST_String name,
67 const EST_String &def,
68 EST_feat_status &s);
69
70/// Return the values as a float.
71float getFloat(const EST_Item &f,
72 const EST_String name,
73 const float &def,
74 EST_feat_status &s);
75
76/// Return the values as an integer.
77int getInteger(const EST_Item &f,
78 const EST_String name,
79 const int &def,
80 EST_feat_status &s);
81//@}
82
83float start(const EST_Item &item);
84float mid(const EST_Item &item);
85float time(const EST_Item &item);
86float end(const EST_Item &item);
87
88
89//@}
90
91//Rob's function for jumping around HRG structures more easily
92EST_Item *item_jump(EST_Item *from, const EST_String &to);
93
94
95#endif
96