Edinburgh Speech Tools  2.1-release
EST_FeatureFunctionContext.h
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33 
34 
35 #ifndef __EST_FEATUREFUNCTIONCONTEXT_H__
36 #define __EST_FEATUREFUNCTIONCONTEXT_H__
37 
38 /** A feature function context is the interface through which feature
39  * functions are looked up. It is basically a list of feature function
40  * packages.
41  *
42  * @author Richard Caley <rjc@cstr.ed.ac.uk>
43  * @version $Id: EST_FeatureFunctionContext.h,v 1.3 2004/05/04 00:00:17 awb Exp $ */
44 
46 
47 class ling_class_init;
48 
50 private:
53 
54 protected:
56 
59 
60  EST_String get_featfunc_name(const EST_Item_featfunc func, int &found) const;
61 
62 public:
63  static const EST_String separator;
64 
67 
68  void clear_cache(void);
69  void add_package(const EST_String name);
70  bool package_included(const EST_String name) const;
72  int must=0);
74  const EST_String name,
75  int must=0);
76 
77 protected:
78  static void class_init(void);
79 
80  friend class ling_class_init;
81 
82  friend void EST_register_feature_function_package(const char *name, void (*init_fn)(EST_FeatureFunctionPackage &p));
83  friend void register_featfunc(const EST_String &name, const EST_Item_featfunc func);
84  friend EST_Item_featfunc get_featfunc(const EST_String &name,int must);
85  friend EST_String get_featname(const EST_Item_featfunc func);
86 };
87 
88 #endif
89 
EST_Val(* EST_Item_featfunc)(class EST_Item *)
Definition: EST_Features.h:53
EST_Item_featfunc get_featfunc(const EST_String name, int must=0)
friend void register_featfunc(const EST_String &name, const EST_Item_featfunc func)
Definition: item_feats.cc:65
bool package_included(const EST_String name) const
friend EST_String get_featname(const EST_Item_featfunc func)
Definition: item_feats.cc:76
friend void EST_register_feature_function_package(const char *name, void(*init_fn)(EST_FeatureFunctionPackage &p))
Definition: item_feats.cc:88
EST_FeatureFunctionPackage * get_package(const EST_String name) const
EST_String get_featfunc_name(const EST_Item_featfunc func, int &found) const
static EST_FeatureFunctionContext * global
void add_package(EST_FeatureFunctionPackage *package)