Edinburgh Speech Tools 2.4-release
 
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EST_FeatureFunctionPackage.cc
1 /************************************************************************/
2 /* */
3 /* Centre for Speech Technology Research */
4 /* University of Edinburgh, UK */
5 /* Copyright (c) 1996,1997 */
6 /* All Rights Reserved. */
7 /* */
8 /* Permission is hereby granted, free of charge, to use and distribute */
9 /* this software and its documentation without restriction, including */
10 /* without limitation the rights to use, copy, modify, merge, publish, */
11 /* distribute, sublicense, and/or sell copies of this work, and to */
12 /* permit persons to whom this work is furnished to do so, subject to */
13 /* the following conditions: */
14 /* 1. The code must retain the above copyright notice, this list of */
15 /* conditions and the following disclaimer. */
16 /* 2. Any modifications must be clearly marked as such. */
17 /* 3. Original authors' names are not deleted. */
18 /* 4. The authors' names are not used to endorse or promote products */
19 /* derived from this software without specific prior written */
20 /* permission. */
21 /* */
22 /* THE UNIVERSITY OF EDINBURGH AND THE CONTRIBUTORS TO THIS WORK */
23 /* DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING */
24 /* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT */
25 /* SHALL THE UNIVERSITY OF EDINBURGH NOR THE CONTRIBUTORS BE LIABLE */
26 /* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES */
27 /* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN */
28 /* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, */
29 /* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF */
30 /* THIS SOFTWARE. */
31 /* */
32 /*************************************************************************/
33 /* */
34 /* Author: Richard Caley (rjc@cstr.ed.ac.uk) */
35 /* -------------------------------------------------------------------- */
36 /* Represents a set of feature functions. */
37 /* */
38 /*************************************************************************/
39
40#include "ling_class/EST_Item.h"
41#include "ling_class/EST_FeatureFunctionPackage.h"
42
43
44static EST_Val Dummy_Func(EST_Item *) { return EST_Val(); }
45static struct EST_FeatureFunctionPackage::Entry Dummy_Entry = { Dummy_Func };
46template <> EST_String
50
51
52ostream &operator << (ostream &s,
54{
55 (void)e;
56 return s << "<<EST_FeatureFunctionPackage::Entry>>";
57}
58
59#if defined(INSTANTIATE_TEMPLATES)
60
61#include "../base_class/EST_THash.cc"
62
63Instantiate_TStringHash_T(EST_FeatureFunctionPackage::Entry, EST_FeatureFunctionPackage_Entry)
64
65#endif
66
67int operator == (const EST_FeatureFunctionPackage::Entry &e1,
69{
70return e1.func == e2.func;
71}
72
73
74EST_FeatureFunctionPackage::EST_FeatureFunctionPackage(const EST_String name, int n)
75 : p_name(name), p_entries(n)
76{
77#ifdef EST_DEBUGGING
78 cerr << "initialise functionon package " << p_name << "\n";
79#endif
80}
81
82EST_FeatureFunctionPackage::EST_FeatureFunctionPackage(const char *name, int n)
83 : p_name(name), p_entries(n)
84{
85}
86
87void EST_FeatureFunctionPackage::register_func(const EST_String &name,
88 const EST_Item_featfunc func)
89{
90#ifdef EST_DEBUGGING
91 cerr << "register " << p_name << "::" << name << "\n";
92#endif
93 if (p_entries.present(name))
94 EST_warning("Feature function %s::%s redefined",
95 (const char *)p_name,
96 (const char *)name);
97
98 Entry e;
99 e.func=func;
100 p_entries.add_item(name, e);
101}
102
103const EST_FeatureFunctionPackage::Entry &EST_FeatureFunctionPackage::lookup(const EST_String &name, int &found) const
104{
105 found=0;
106 return p_entries.val(name, found);
107}
108
109const EST_String EST_FeatureFunctionPackage::lookup(const EST_Item_featfunc func, int &found) const
110{
112
113 for(p.begin(p_entries); p; ++p)
114 if (p->v.func == func)
115 {
116 found=1;
117 return p->k;
118 }
119 found=0;
120 return "";
121}
void begin(const Container &over)
Set the iterator ready to run over this container.