2 Copyright (C) 2002-2004 Kouichirou Eto, All rights reserved.
3 Ruby/CHISE ext by eto 2003-0308
9 static VALUE mCHISE, cDS, cDT, cFT, cVALUE;
16 CHISE_Decoding_Table *dt;
20 CHISE_Feature_Table *ft;
27 static VALUE fds_new(VALUE klass, VALUE type, VALUE location){
29 VALUE tdata = Data_Make_Struct(klass, RB_CHISE_DS, 0, free, rds);
30 chise_open_data_source (&rds->ds, (CHISE_DS_Type)NUM2INT(type), RSTRING(rb_str_to_str(location))->ptr);
34 static VALUE fds_close(VALUE obj){
36 Data_Get_Struct(obj, RB_CHISE_DS, rds);
37 chise_close_data_source (&rds->ds);
41 static VALUE fds_open_dt(VALUE obj, VALUE ccs){
46 Data_Get_Struct(obj, RB_CHISE_DS, rds);
47 vdt = Data_Make_Struct(cDT, RB_CHISE_DT, 0, free, rdt);
48 status = chise_open_decoding_table (&rdt->dt, &rds->ds, RSTRING(rb_str_to_str(ccs))->ptr, DB_HASH, DB_RDONLY, 0755);
50 chise_close_decoding_table (rdt->dt);
51 chise_close_data_source (&rds->ds);
57 static VALUE fds_open_ft(VALUE obj, VALUE feature){
62 Data_Get_Struct(obj, RB_CHISE_DS, rds);
63 vft = Data_Make_Struct(cFT, RB_CHISE_FT, 0, free, rft);
64 status = chise_open_feature_table (&rft->ft, &rds->ds, RSTRING(rb_str_to_str(feature))->ptr, DB_HASH, DB_RDONLY, 0755);
66 chise_close_feature_table (rft->ft);
67 chise_close_data_source (&rds->ds);
73 static VALUE fdt_get_char(VALUE obj, VALUE code_point){
75 Data_Get_Struct(obj, RB_CHISE_DT, rdt);
76 CHISE_Char_ID char_id;
77 char_id = chise_dt_get_char (rdt->dt, NUM2INT(code_point));
78 return INT2NUM(char_id);
81 static VALUE fdt_close(VALUE obj){
83 Data_Get_Struct(obj, RB_CHISE_DT, rdt);
84 chise_close_decoding_table (rdt->dt);
88 static VALUE fft_get_value(VALUE obj, VALUE char_id){
90 RB_CHISE_VALUE *rvalue;
93 Data_Get_Struct(obj, RB_CHISE_FT, rft);
94 vvalue = Data_Make_Struct(cVALUE, RB_CHISE_VALUE, 0, free, rvalue);
95 status = chise_ft_get_value (rft->ft, (CHISE_Char_ID)NUM2INT(char_id), &rvalue->value);
99 static VALUE fft_close(VALUE obj){
101 Data_Get_Struct(obj, RB_CHISE_FT, rft);
102 chise_close_feature_table (rft->ft);
106 static VALUE fvalue_to_s(VALUE obj){
107 RB_CHISE_VALUE *rvalue;
108 Data_Get_Struct(obj, RB_CHISE_VALUE, rvalue);
109 return rb_str_new(chise_value_to_c_string(&rvalue->value), chise_value_size(&rvalue->value));
113 mCHISE = rb_define_module("CHISE");
115 cDS = rb_define_class_under(mCHISE, "DataSource", rb_cObject);
116 rb_define_singleton_method(cDS, "new", fds_new, 2);
117 rb_define_method(cDS, "close", fds_close, 0);
118 rb_define_const(cDS, "NONE", INT2FIX(CHISE_DS_NONE));
119 rb_define_const(cDS, "Berkeley_DB", INT2FIX(CHISE_DS_Berkeley_DB));
120 rb_define_method(cDS, "open_decoding_table", fds_open_dt, 1);
121 rb_define_method(cDS, "open_feature_table", fds_open_ft, 1);
123 cDT = rb_define_class_under(mCHISE, "DecodingTable", rb_cObject);
124 rb_define_method(cDT, "get_char", fdt_get_char, 1);
125 rb_define_method(cDT, "close", fdt_close, 0);
127 cFT = rb_define_class_under(mCHISE, "FeatureTable", rb_cObject);
128 rb_define_method(cFT, "get_value", fft_get_value, 1);
129 rb_define_method(cFT, "close", fft_close, 0);
131 cVALUE = rb_define_class_under(mCHISE, "Value", rb_cObject);
132 rb_define_method(cVALUE, "to_s", fvalue_to_s, 0);