EBCDIC ＜−＞ JIS
正確には、拡張EBCDIC(JIPS)とSJISの変換だが、変換用のルーチンを急に用意しなくてはならなくなった。CharSetProviderを自分で用意する等、いろいろ方法は考えたが時間も無いので以下のようなテーブルを用意して対処することにした。ベタな方法だけど確実。
(備忘録のためにも、省略せずに全てのコードの変換テーブルを書いておく)
char EBCDIC2JIS =
{0x00,0x01,0x02,0x03,0x9c,0x09,0x86,0x7f,0x97,0x8d,0x8e,0x0b,0x0c,0x0d,0x0e,0x0f,
0x10,0x11,0x12,0x13,0x9d,0x0a,0x08,0x87,0x18,0x19,0x92,0x8f,0x1c,0x1d,0x1e,0x1f,
0x80,0x81,0x82,0x83,0x84,0x85,0x17,0x1b,0x88,0x89,0x8a,0x8b,0x8c,0x05,0x06,0x07,
0x90,0x91,0x16,0x93,0x94,0x95,0x96,0x04,0x98,0x99,0x9a,0x9b,0x14,0x15,0x9e,0x1a,
0x20,0xa1,0xa2,0xa3,0xa4,0xa5,0xa6,0xa7,0xa8,0xa9,0x5b,0x2e,0x3c,0x28,0x2b,0x21,
0x26,0xaa,0xab,0xac,0xad,0xae,0xaf,0x61,0xb0,0x62,0x5d,0x5c,0x2a,0x29,0x3b,0x5e,
0x2d,0x2f,0x63,0x64,0x65,0x66,0x67,0x68,0x69,0x6a,0x7c,0x2c,0x25,0x5f,0x3e,0x3f,
0x6b,0x6c,0x6d,0x6e,0x6f,0x70,0x71,0x72,0x73,0x60,0x3a,0x23,0x40,0x27,0x3d,0x22,
0x74,0xb1,0xb2,0xb3,0xb4,0xb5,0xb6,0xb7,0xb8,0xb9,0xba,0x75,0xbb,0xbc,0xbd,0xbe,
0xbf,0xc0,0xc1,0xc2,0xc3,0xc4,0xc5,0xc6,0xc7,0xc8,0xc9,0x76,0x77,0xca,0xcb,0xcc,
0x78,0x7e,0xcd,0xce,0xcf,0xd0,0xd1,0xd2,0xd3,0xd4,0xd5,0x79,0xd6,0xd7,0xd8,0xd9,
0x7a,0xa0,0xe0,0xe1,0xe2,0xe3,0xe4,0xe5,0xe6,0xe7,0xda,0xdb,0xdc,0xdd,0xde,0xdf,
0x7b,0x41,0x42,0x43,0x44,0x45,0x46,0x47,0x48,0x49,0xe8,0xe9,0xea,0xeb,0xec,0xed,
0x7d,0x4a,0x4b,0x4c,0x4d,0x4e,0x4f,0x50,0x51,0x52,0xee,0xef,0xf0,0xf1,0xf2,0xf3,
0x24,0x9f,0x53,0x54,0x55,0x56,0x57,0x58,0x59,0x5a,0xf4,0xf5,0xf6,0xf7,0xf8,0xf9,
0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39,0xfa,0xfb,0xfc,0xfd,0xfe,0xff};
char JIS2EBCDIC =
{0x00,0x01,0x02,0x03,0x37,0x2d,0x2e,0x2f,0x16,0x05,0x15,0x0b,0x0c,0x0d,0x0e,0x0f,
0x10,0x11,0x12,0x13,0x3c,0x3d,0x32,0x26,0x18,0x19,0x3f,0x27,0x1c,0x1d,0x1e,0x1f,
0x40,0x4f,0x7f,0x7b,0xe0,0x6c,0x50,0x7d,0x4d,0x5d,0x5c,0x4e,0x6b,0x60,0x4b,0x61,
0xf0,0xf1,0xf2,0xf3,0xf4,0xf5,0xf6,0xf7,0xf8,0xf9,0x7a,0x5e,0x4c,0x7e,0x6e,0x6f,
0x7c,0xc1,0xc2,0xc3,0xc4,0xc5,0xc6,0xc7,0xc8,0xc9,0xd1,0xd2,0xd3,0xd4,0xd5,0xd6,
0xd7,0xd8,0xd9,0xe2,0xe3,0xe4,0xe5,0xe6,0xe7,0xe8,0xe9,0x4a,0x5b,0x5a,0x5f,0x6d,
0x79,0x57,0x59,0x62,0x63,0x64,0x65,0x66,0x67,0x68,0x69,0x70,0x71,0x72,0x73,0x74,
0x75,0x76,0x77,0x78,0x80,0x8b,0x9b,0x9c,0xa0,0xab,0xb0,0xc0,0x6a,0xd0,0xa1,0x07,
0x20,0x21,0x22,0x23,0x24,0x25,0x06,0x17,0x28,0x29,0x2a,0x2b,0x2c,0x09,0x0a,0x1b,
0x30,0x31,0x1a,0x33,0x34,0x35,0x36,0x08,0x38,0x39,0x3a,0x3b,0x04,0x14,0x3e,0xe1,
0xb1,0x41,0x42,0x43,0x44,0x45,0x46,0x47,0x48,0x49,0x51,0x52,0x53,0x54,0x55,0x56,
0x58,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8a,0x8c,0x8d,0x8e,0x8f,0x90,
0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9a,0x9d,0x9e,0x9f,0xa2,0xa3,0xa4,
0xa5,0xa6,0xa7,0xa8,0xa9,0xaa,0xac,0xad,0xae,0xaf,0xba,0xbb,0xbc,0xbd,0xbe,0xbf,
0xb2,0xb3,0xb4,0xb5,0xb6,0xb7,0xb8,0xb9,0xca,0xcb,0xcc,0xcd,0xce,0xcf,0xda,0xdb,
0xdc,0xdd,0xde,0xdf,0xea,0xeb,0xec,0xed,0xee,0xef,0xfa,0xfb,0xfc,0xfd,0xfe,0xff};
上は単純にEBCDIC<->JISなので、拡張分は別途対応しないと駄目かな。個々の文字コードチェックには、こんなツールが見つかった。実に有り難い。
