2 Ruby/CHISE ext by eto 2003-0308
3 Copyright (C) 2002-2003 Kouichirou Eto
5 This is free software with ABSOLUTELY NO WARRANTY.
7 You can redistribute it and/or modify it under the terms of
8 the GNU General Public License version 2.
14 static VALUE mCHISE, cDS, cDT, cFT, cVALUE;
21 CHISE_Decoding_Table *dt;
25 CHISE_Feature_Table *ft;
32 static VALUE fds_new(VALUE klass, VALUE type, VALUE location){
34 VALUE tdata = Data_Make_Struct(klass, RB_CHISE_DS, 0, free, rds);
35 chise_open_data_source (&rds->ds, (CHISE_DS_Type)NUM2INT(type), RSTRING(rb_str_to_str(location))->ptr);
39 static VALUE fds_close(VALUE obj){
41 Data_Get_Struct(obj, RB_CHISE_DS, rds);
42 chise_close_data_source (&rds->ds);
46 static VALUE fds_open_dt(VALUE obj, VALUE ccs){
51 Data_Get_Struct(obj, RB_CHISE_DS, rds);
52 vdt = Data_Make_Struct(cDT, RB_CHISE_DT, 0, free, rdt);
53 status = chise_open_decoding_table (&rdt->dt, &rds->ds, RSTRING(rb_str_to_str(ccs))->ptr, DB_HASH, DB_RDONLY, 0755);
55 chise_close_decoding_table (rdt->dt);
56 chise_close_data_source (&rds->ds);
62 static VALUE fds_open_ft(VALUE obj, VALUE feature){
67 Data_Get_Struct(obj, RB_CHISE_DS, rds);
68 vft = Data_Make_Struct(cFT, RB_CHISE_FT, 0, free, rft);
69 status = chise_open_feature_table (&rft->ft, &rds->ds, RSTRING(rb_str_to_str(feature))->ptr, DB_HASH, DB_RDONLY, 0755);
71 chise_close_feature_table (rft->ft);
72 chise_close_data_source (&rds->ds);
78 static VALUE fdt_get_char(VALUE obj, VALUE code_point){
80 Data_Get_Struct(obj, RB_CHISE_DT, rdt);
81 CHISE_Char_ID char_id;
82 char_id = chise_dt_get_char (rdt->dt, NUM2INT(code_point));
83 return INT2NUM(char_id);
86 static VALUE fdt_close(VALUE obj){
88 Data_Get_Struct(obj, RB_CHISE_DT, rdt);
89 chise_close_decoding_table (rdt->dt);
93 static VALUE fft_get_value(VALUE obj, VALUE char_id){
95 RB_CHISE_VALUE *rvalue;
98 Data_Get_Struct(obj, RB_CHISE_FT, rft);
99 vvalue = Data_Make_Struct(cVALUE, RB_CHISE_VALUE, 0, free, rvalue);
100 status = chise_ft_get_value (rft->ft, (CHISE_Char_ID)NUM2INT(char_id), &rvalue->value);
104 static VALUE fft_close(VALUE obj){
106 Data_Get_Struct(obj, RB_CHISE_FT, rft);
107 chise_close_feature_table (rft->ft);
111 static VALUE fvalue_to_s(VALUE obj){
112 RB_CHISE_VALUE *rvalue;
113 Data_Get_Struct(obj, RB_CHISE_VALUE, rvalue);
114 return rb_str_new(chise_value_to_c_string(&rvalue->value), chise_value_size(&rvalue->value));
118 mCHISE = rb_define_module("CHISE");
120 cDS = rb_define_class_under(mCHISE, "DataSource", rb_cObject);
121 rb_define_singleton_method(cDS, "new", fds_new, 2);
122 rb_define_method(cDS, "close", fds_close, 0);
123 rb_define_const(cDS, "NONE", INT2FIX(CHISE_DS_NONE));
124 rb_define_const(cDS, "Berkeley_DB", INT2FIX(CHISE_DS_Berkeley_DB));
125 rb_define_method(cDS, "open_decoding_table", fds_open_dt, 1);
126 rb_define_method(cDS, "open_feature_table", fds_open_ft, 1);
128 cDT = rb_define_class_under(mCHISE, "DecodingTable", rb_cObject);
129 rb_define_method(cDT, "get_char", fdt_get_char, 1);
130 rb_define_method(cDT, "close", fdt_close, 0);
132 cFT = rb_define_class_under(mCHISE, "FeatureTable", rb_cObject);
133 rb_define_method(cFT, "get_value", fft_get_value, 1);
134 rb_define_method(cFT, "close", fft_close, 0);
136 cVALUE = rb_define_class_under(mCHISE, "Value", rb_cObject);
137 rb_define_method(cVALUE, "to_s", fvalue_to_s, 0);