mv files

[chise/ruby.git] / 0ext / rbchise.c

diff --git a/0ext/rbchise.c b/0ext/rbchise.c
new file mode 100755 (executable)
index 0000000..6c504ef
--- /dev/null
+++ b/0ext/rbchise.c
@@ -0,0 +1,138 @@
+/*
+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);
+}