| /*************************************************************************/ |
| /* */ |
| /* Language Technologies Institute */ |
| /* Carnegie Mellon University */ |
| /* Copyright (c) 1999 */ |
| /* 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. */ |
| /* */ |
| /* CARNEGIE MELLON UNIVERSITY 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 CARNEGIE MELLON UNIVERSITY 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 (awb@cs.cmu.edu) */ |
| /* Date: December 1999 */ |
| /*************************************************************************/ |
| /* */ |
| /* feature-values lists */ |
| /* */ |
| /*************************************************************************/ |
| #ifndef _CST_FEATURES_H__ |
| #define _CST_FEATURES_H__ |
| |
| #include "cst_alloc.h" |
| #include "cst_val.h" |
| #include "cst_string.h" |
| |
| typedef struct cst_featvalpair_struct { |
| const char *name; |
| cst_val *val; |
| struct cst_featvalpair_struct *next; |
| } cst_featvalpair; |
| |
| typedef struct cst_features_struct { |
| struct cst_featvalpair_struct *head; |
| cst_alloc_context ctx; |
| cst_val *owned_strings; /* fnames that are owned by this struct */ |
| |
| /* Link to other cst_features that we search too */ |
| const struct cst_features_struct *linked; |
| } cst_features; |
| |
| /* Constructor functions */ |
| cst_features *new_features(void); |
| cst_features *new_features_local(cst_alloc_context ctx); |
| void delete_features(cst_features *f); |
| |
| /* Accessor functions */ |
| int feat_int(const cst_features *f, const char *name); |
| float feat_float(const cst_features *f, const char *name); |
| const char *feat_string(const cst_features *f, const char *name); |
| const cst_val *feat_val(const cst_features *f, const char *name); |
| |
| int get_param_int(const cst_features *f, const char *name,int def); |
| float get_param_float(const cst_features *f, const char *name, float def); |
| const char *get_param_string(const cst_features *f, const char *name, const char *def); |
| const cst_val *get_param_val(const cst_features *f, const char *name, cst_val *def); |
| |
| /* Setting functions */ |
| void feat_set_int(cst_features *f, const char *name, int v); |
| void feat_set_float(cst_features *f, const char *name, float v); |
| void feat_set_string(cst_features *f, const char *name, const char *v); |
| void feat_set(cst_features *f, const char *name,const cst_val *v); |
| |
| int feat_remove(cst_features *f,const char *name); |
| int feat_present(const cst_features *f,const char *name); |
| int feat_length(const cst_features *f); |
| |
| /* Feature names are expected to be literals -- its *much* faster to do */ |
| /* look ups and less alloc/frees are necesssary. Almosts always this is */ |
| /* fine, but when you are making up new fnames, you can get a copy of the */ |
| /* string that will be deleted when the cst_features is deleted */ |
| const char *feat_own_string(cst_features *f,const char *name); |
| |
| CST_VAL_USER_TYPE_DCLS(features,cst_features) |
| |
| int feat_copy_into(const cst_features *from,cst_features *to); |
| /* Link FROM into TO so FROM's features will be searched after TO's features */ |
| int feat_link_into(const cst_features *from,cst_features *to); |
| /* For debugging */ |
| int cst_feat_print(cst_file fd,const cst_features *f); |
| |
| #endif |