summaryrefslogtreecommitdiff
path: root/usr/src/cmd/geniconvtbl/samples/ISO-2022-JP_to_eucJP.src
blob: 6efdcdbc19d91aa28b02ad26f7ced666a15c4bb1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
// ident	"%Z%%M%	%I%	%E% SMI"
// Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
// Use is subject to license terms.
//
// CDDL HEADER START
//
// The contents of this file are subject to the terms of the
// Common Development and Distribution License, Version 1.0 only
// (the "License").  You may not use this file except in compliance
// with the License.
//
// You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
// or http://www.opensolaris.org/os/licensing.
// See the License for the specific language governing permissions
// and limitations under the License.
//
// When distributing Covered Code, include this CDDL HEADER in each
// file and include the License file at usr/src/OPENSOLARIS.LICENSE.
// If applicable, add the following below this CDDL HEADER, with the
// fields enclosed by brackets "[]" replaced with your own identifying
// information: Portions Copyright [yyyy] [name of copyright owner]
//
// CDDL HEADER END
//

//
// ISO-2022-JP to eucJP
//

#include <sys/errno.h>

ISO-2022-JP%eucJP {
	operation init {
		cs = 0;
	};

	operation reset {
		if (cs != 0) {
			// Emit state reset sequence, ESC ( J, for
			// ISO-2022-JP.
			output = 0x1b284a;
		}
		operation init;
	};

	direction {
		condition {		// JIS X 0201 Latin (ASCII)
			between	0x00...0x7f;
		} operation {
			if (cs != 0) {
				// We will emit four bytes.
				if (outputsize <= 3) {
					error E2BIG;
				}
				// Emit state reset sequence, ESC ( J.
				output = 0x1b284a;
				cs = 0;
			} else {
				if (outputsize <= 0) {
					error E2BIG;
				}
			}
			output = input[0];

			// Move input buffer pointer one byte.
			discard;
		};

		condition {		// JIS X 0208
			between	0xa1a1...0xfefe;
		} operation {
			if (cs != 1) {
				if (outputsize <= 4) {
					error E2BIG;
				}
				// Emit JIS X 0208 sequence, ESC $ B.
				output = 0x1b2442;
				cs = 1;
			} else {
				if (outputsize <= 1) {
					error E2BIG;
				}
			}
			output = (input[0] & 0x7f);
			output = (input[1] & 0x7f);

			// Move input buffer pointer two bytes.
			discard 2;
		};

		condition {		// JIS X 0201 Kana
			between	0x8ea1...0x8edf;
		} operation {
			if (cs != 2) {
				if (outputsize <= 3) {
					error E2BIG;
				}
				// Emit JIS X 0201 Kana sequence,
				// ESC ( I.
				output = 0x1b2849;
				cs = 2;
			} else {
				if (outputsize <= 0) {
					error E2BIG;
				}
			}
			output = (input[1] & 127);

			// Move input buffer pointer two bytes.
			discard 2;
		};

		condition {		// JIS X 0212
			between	0x8fa1a1...0x8ffefe;
		} operation {
			if (cs != 3) {
				if (outputsize <= 5) {
					error E2BIG;
				}
				// Emit JIS X 0212 sequence, ESC $ ( D.
				output = 0x1b242844;
				cs = 3;
			} else {
				if (outputsize <= 1) {
					error E2BIG;
				}
			}
			output = (input[1] & 127);
			output = (input[2] & 127);
			discard 3;
		};
	
		true	operation {	// error
			error EILSEQ;
		};
	};
}