+++ /dev/null
-/*
-Ruby/CHISE ext by eto 2003-0308
-Copyright (C) 2002-2003 Kouichirou Eto
- All rights reserved.
- This is free software with ABSOLUTELY NO WARRANTY.
-
-You can redistribute it and/or modify it under the terms of
-the GNU General Public License version 2.
-*/
-
-#include "ruby.h"
-#include "chise.h"
-
-static VALUE mCHISE, cDS, cDT, cFT, cVALUE;
-
-typedef struct {
- CHISE_DS ds;
-} RB_CHISE_DS;
-
-typedef struct {
- CHISE_Decoding_Table *dt;
-} RB_CHISE_DT;
-
-typedef struct {
- CHISE_Feature_Table *ft;
-} RB_CHISE_FT;
-
-typedef struct {
- CHISE_Value value;
-} RB_CHISE_VALUE;
-
-static VALUE fds_new(VALUE klass, VALUE type, VALUE location){
- RB_CHISE_DS *rds;
- VALUE tdata = Data_Make_Struct(klass, RB_CHISE_DS, 0, free, rds);
- chise_open_data_source (&rds->ds, (CHISE_DS_Type)NUM2INT(type), RSTRING(rb_str_to_str(location))->ptr);
- return tdata;
-}
-
-static VALUE fds_close(VALUE obj){
- RB_CHISE_DS *rds;
- Data_Get_Struct(obj, RB_CHISE_DS, rds);
- chise_close_data_source (&rds->ds);
- return Qnil;
-}
-
-static VALUE fds_open_dt(VALUE obj, VALUE ccs){
- RB_CHISE_DS *rds;
- RB_CHISE_DT *rdt;
- VALUE vdt;
- int status;
- Data_Get_Struct(obj, RB_CHISE_DS, rds);
- vdt = Data_Make_Struct(cDT, RB_CHISE_DT, 0, free, rdt);
- status = chise_open_decoding_table (&rdt->dt, &rds->ds, RSTRING(rb_str_to_str(ccs))->ptr, DB_HASH, DB_RDONLY, 0755);
- if (status){
- chise_close_decoding_table (rdt->dt);
- chise_close_data_source (&rds->ds);
- return Qnil;
- }
- return vdt;
-}
-
-static VALUE fds_open_ft(VALUE obj, VALUE feature){
- RB_CHISE_DS *rds;
- RB_CHISE_FT *rft;
- VALUE vft;
- int status;
- Data_Get_Struct(obj, RB_CHISE_DS, rds);
- vft = Data_Make_Struct(cFT, RB_CHISE_FT, 0, free, rft);
- status = chise_open_feature_table (&rft->ft, &rds->ds, RSTRING(rb_str_to_str(feature))->ptr, DB_HASH, DB_RDONLY, 0755);
- if (status){
- chise_close_feature_table (rft->ft);
- chise_close_data_source (&rds->ds);
- return Qnil;
- }
- return vft;
-}
-
-static VALUE fdt_get_char(VALUE obj, VALUE code_point){
- RB_CHISE_DT *rdt;
- Data_Get_Struct(obj, RB_CHISE_DT, rdt);
- CHISE_Char_ID char_id;
- char_id = chise_dt_get_char (rdt->dt, NUM2INT(code_point));
- return INT2NUM(char_id);
-}
-
-static VALUE fdt_close(VALUE obj){
- RB_CHISE_DT *rdt;
- Data_Get_Struct(obj, RB_CHISE_DT, rdt);
- chise_close_decoding_table (rdt->dt);
- return Qnil;
-}
-
-static VALUE fft_get_value(VALUE obj, VALUE char_id){
- RB_CHISE_FT *rft;
- RB_CHISE_VALUE *rvalue;
- VALUE vvalue;
- int status;
- Data_Get_Struct(obj, RB_CHISE_FT, rft);
- vvalue = Data_Make_Struct(cVALUE, RB_CHISE_VALUE, 0, free, rvalue);
- status = chise_ft_get_value (rft->ft, (CHISE_Char_ID)NUM2INT(char_id), &rvalue->value);
- return vvalue;
-}
-
-static VALUE fft_close(VALUE obj){
- RB_CHISE_FT *rft;
- Data_Get_Struct(obj, RB_CHISE_FT, rft);
- chise_close_feature_table (rft->ft);
- return Qnil;
-}
-
-static VALUE fvalue_to_s(VALUE obj){
- RB_CHISE_VALUE *rvalue;
- Data_Get_Struct(obj, RB_CHISE_VALUE, rvalue);
- return rb_str_new(chise_value_to_c_string(&rvalue->value), chise_value_size(&rvalue->value));
-}
-
-void Init_chise(){
- mCHISE = rb_define_module("CHISE");
-
- cDS = rb_define_class_under(mCHISE, "DataSource", rb_cObject);
- rb_define_singleton_method(cDS, "new", fds_new, 2);
- rb_define_method(cDS, "close", fds_close, 0);
- rb_define_const(cDS, "NONE", INT2FIX(CHISE_DS_NONE));
- rb_define_const(cDS, "Berkeley_DB", INT2FIX(CHISE_DS_Berkeley_DB));
- rb_define_method(cDS, "open_decoding_table", fds_open_dt, 1);
- rb_define_method(cDS, "open_feature_table", fds_open_ft, 1);
-
- cDT = rb_define_class_under(mCHISE, "DecodingTable", rb_cObject);
- rb_define_method(cDT, "get_char", fdt_get_char, 1);
- rb_define_method(cDT, "close", fdt_close, 0);
-
- cFT = rb_define_class_under(mCHISE, "FeatureTable", rb_cObject);
- rb_define_method(cFT, "get_value", fft_get_value, 1);
- rb_define_method(cFT, "close", fft_close, 0);
-
- cVALUE = rb_define_class_under(mCHISE, "Value", rb_cObject);
- rb_define_method(cVALUE, "to_s", fvalue_to_s, 0);
-}