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/*
* Ruby extenstion library for libhangul.
*
* * Author: Gyoung-Yoon Noh <nohmad@sub-port.net>
* * License: Same as libhangul.
*/
#include <locale.h>
#include "ruby.h"
#include "hangul.h"
static void
rbhic_free(HangulInputContext *hic)
{
hangul_ic_delete(hic);
}
static VALUE
rbhic_alloc(VALUE klass)
{
setlocale(LC_CTYPE, "");
HangulInputContext *hic = hangul_ic_new(HANGUL_KEYBOARD_2);
return Data_Wrap_Struct(klass, 0, rbhic_free, hic);
}
static VALUE
rbhic_initialize(int argc, VALUE *argv, VALUE self)
{
HangulInputContext *hic;
Data_Get_Struct(self, HangulInputContext, hic);
VALUE keyboard;
rb_scan_args(argc, argv, "01", &keyboard);
if (argc > 0) {
Check_Type(keyboard, T_FIXNUM);
hangul_ic_set_keyboard(hic, FIX2INT(keyboard));
}
return self;
}
static VALUE
rbhic_filter(VALUE self, VALUE ch)
{
Check_Type(ch, T_FIXNUM);
HangulInputContext *hic;
Data_Get_Struct(self, HangulInputContext, hic);
bool ret = hangul_ic_filter(hic, NUM2CHR(ch));
return ret ? Qtrue : Qfalse;
}
static VALUE
rbhic_preedit_string(VALUE self)
{
}
static VALUE
rbhic_commit_string(VALUE self)
{
HangulInputContext *hic;
Data_Get_Struct(self, HangulInputContext, hic);
char cbuf[32] = { '\0', };
wchar_t *wstr = (wchar_t *) hangul_ic_get_commit_string(hic);
int len = wcstombs(cbuf, wstr, sizeof(cbuf));
if (strlen(cbuf) > 0)
return rb_str_new(cbuf, len);
else
return Qnil;
}
static VALUE
rbhic_backspace(VALUE self)
{
}
static VALUE
rbhic_reset(VALUE self)
{
HangulInputContext *hic;
Data_Get_Struct(self, HangulInputContext, hic);
hangul_ic_reset(hic);
return Qnil;
}
static VALUE
rbhic_flush(VALUE self)
{
HangulInputContext *hic;
Data_Get_Struct(self, HangulInputContext, hic);
hangul_ic_flush(hic);
return Qnil;
}
void
Init_hangul(void)
{
/* ::Hangul module. */
VALUE rb_mHangul;
rb_mHangul = rb_define_module("Hangul");
/* Hangul::InputContext class. */
VALUE rb_cInputContext;
rb_cInputContext = rb_define_class_under(rb_mHangul, "InputContext", rb_cObject);
rb_define_alloc_func(rb_cInputContext, rbhic_alloc);
/* Hangul::InputContext methods. */
rb_define_method(rb_cInputContext, "initialize", rbhic_initialize, -1);
rb_define_method(rb_cInputContext, "filter", rbhic_filter, 1);
rb_define_method(rb_cInputContext, "commit_string", rbhic_commit_string, 0);
rb_define_method(rb_cInputContext, "preedit_string", rbhic_preedit_string, 0);
rb_define_method(rb_cInputContext, "backspace", rbhic_backspace, 0);
rb_define_method(rb_cInputContext, "flush", rbhic_flush, 0);
rb_define_method(rb_cInputContext, "reset", rbhic_reset, 0);
/* Hangul::KEYBOARD_* constants. */
rb_define_const(rb_mHangul, "KEYBOARD_2", INT2FIX(HANGUL_KEYBOARD_2));
rb_define_const(rb_mHangul, "KEYBOARD_32", INT2FIX(HANGUL_KEYBOARD_32));
rb_define_const(rb_mHangul, "KEYBOARD_3FINAL", INT2FIX(HANGUL_KEYBOARD_3FINAL));
rb_define_const(rb_mHangul, "KEYBOARD_390", INT2FIX(HANGUL_KEYBOARD_390));
rb_define_const(rb_mHangul, "KEYBOARD_3NOSHIFT", INT2FIX(HANGUL_KEYBOARD_3NOSHIFT));
rb_define_const(rb_mHangul, "KEYBOARD_3YETGUL", INT2FIX(HANGUL_KEYBOARD_3YETGUL));
}
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