Line data Source code
1 : /*-------------------------------------------------------------------------
2 : *
3 : * LATIN2 and WIN1250
4 : *
5 : * Portions Copyright (c) 1996-2017, PostgreSQL Global Development Group
6 : * Portions Copyright (c) 1994, Regents of the University of California
7 : *
8 : * IDENTIFICATION
9 : * src/backend/utils/mb/conversion_procs/latin2_and_win1250/latin2_and_win1250.c
10 : *
11 : *-------------------------------------------------------------------------
12 : */
13 :
14 : #include "postgres.h"
15 : #include "fmgr.h"
16 : #include "mb/pg_wchar.h"
17 :
18 4 : PG_MODULE_MAGIC;
19 :
20 6 : PG_FUNCTION_INFO_V1(latin2_to_mic);
21 6 : PG_FUNCTION_INFO_V1(mic_to_latin2);
22 6 : PG_FUNCTION_INFO_V1(win1250_to_mic);
23 6 : PG_FUNCTION_INFO_V1(mic_to_win1250);
24 6 : PG_FUNCTION_INFO_V1(latin2_to_win1250);
25 6 : PG_FUNCTION_INFO_V1(win1250_to_latin2);
26 :
27 : /* ----------
28 : * conv_proc(
29 : * INTEGER, -- source encoding id
30 : * INTEGER, -- destination encoding id
31 : * CSTRING, -- source string (null terminated C string)
32 : * CSTRING, -- destination string (null terminated C string)
33 : * INTEGER -- source string length
34 : * ) returns VOID;
35 : * ----------
36 : */
37 :
38 : /* WIN1250 to ISO-8859-2 */
39 : static const unsigned char win1250_2_iso88592[] = {
40 : 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
41 : 0x88, 0x89, 0xA9, 0x8B, 0xA6, 0xAB, 0xAE, 0xAC,
42 : 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
43 : 0x98, 0x99, 0xB9, 0x9B, 0xB6, 0xBB, 0xBE, 0xBC,
44 : 0xA0, 0xB7, 0xA2, 0xA3, 0xA4, 0xA1, 0x00, 0xA7,
45 : 0xA8, 0x00, 0xAA, 0x00, 0x00, 0xAD, 0x00, 0xAF,
46 : 0xB0, 0x00, 0xB2, 0xB3, 0xB4, 0x00, 0x00, 0x00,
47 : 0xB8, 0xB1, 0xBA, 0x00, 0xA5, 0xBD, 0xB5, 0xBF,
48 : 0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7,
49 : 0xC8, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF,
50 : 0xD0, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7,
51 : 0xD8, 0xD9, 0xDA, 0xDB, 0xDC, 0xDD, 0xDE, 0xDF,
52 : 0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7,
53 : 0xE8, 0xE9, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF,
54 : 0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7,
55 : 0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0xFF
56 : };
57 :
58 : /* ISO-8859-2 to WIN1250 */
59 : static const unsigned char iso88592_2_win1250[] = {
60 : 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
61 : 0x88, 0x89, 0x00, 0x8B, 0x00, 0x00, 0x00, 0x00,
62 : 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
63 : 0x98, 0x99, 0x00, 0x9B, 0x00, 0x00, 0x00, 0x00,
64 : 0xA0, 0xA5, 0xA2, 0xA3, 0xA4, 0xBC, 0x8C, 0xA7,
65 : 0xA8, 0x8A, 0xAA, 0x8D, 0x8F, 0xAD, 0x8E, 0xAF,
66 : 0xB0, 0xB9, 0xB2, 0xB3, 0xB4, 0xBE, 0x9C, 0xA1,
67 : 0xB8, 0x9A, 0xBA, 0x9D, 0x9F, 0xBD, 0x9E, 0xBF,
68 : 0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7,
69 : 0xC8, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF,
70 : 0xD0, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7,
71 : 0xD8, 0xD9, 0xDA, 0xDB, 0xDC, 0xDD, 0xDE, 0xDF,
72 : 0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7,
73 : 0xE8, 0xE9, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF,
74 : 0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7,
75 : 0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0xFF
76 : };
77 :
78 :
79 : Datum
80 4 : latin2_to_mic(PG_FUNCTION_ARGS)
81 : {
82 4 : unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2);
83 4 : unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3);
84 4 : int len = PG_GETARG_INT32(4);
85 :
86 4 : CHECK_ENCODING_CONVERSION_ARGS(PG_LATIN2, PG_MULE_INTERNAL);
87 :
88 4 : latin2mic(src, dest, len, LC_ISO8859_2, PG_LATIN2);
89 :
90 4 : PG_RETURN_VOID();
91 : }
92 :
93 : Datum
94 4 : mic_to_latin2(PG_FUNCTION_ARGS)
95 : {
96 4 : unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2);
97 4 : unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3);
98 4 : int len = PG_GETARG_INT32(4);
99 :
100 4 : CHECK_ENCODING_CONVERSION_ARGS(PG_MULE_INTERNAL, PG_LATIN2);
101 :
102 4 : mic2latin(src, dest, len, LC_ISO8859_2, PG_LATIN2);
103 :
104 4 : PG_RETURN_VOID();
105 : }
106 :
107 : Datum
108 4 : win1250_to_mic(PG_FUNCTION_ARGS)
109 : {
110 4 : unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2);
111 4 : unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3);
112 4 : int len = PG_GETARG_INT32(4);
113 :
114 4 : CHECK_ENCODING_CONVERSION_ARGS(PG_WIN1250, PG_MULE_INTERNAL);
115 :
116 4 : latin2mic_with_table(src, dest, len, LC_ISO8859_2, PG_WIN1250,
117 : win1250_2_iso88592);
118 :
119 4 : PG_RETURN_VOID();
120 : }
121 :
122 : Datum
123 4 : mic_to_win1250(PG_FUNCTION_ARGS)
124 : {
125 4 : unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2);
126 4 : unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3);
127 4 : int len = PG_GETARG_INT32(4);
128 :
129 4 : CHECK_ENCODING_CONVERSION_ARGS(PG_MULE_INTERNAL, PG_WIN1250);
130 :
131 4 : mic2latin_with_table(src, dest, len, LC_ISO8859_2, PG_WIN1250,
132 : iso88592_2_win1250);
133 :
134 4 : PG_RETURN_VOID();
135 : }
136 :
137 : Datum
138 4 : latin2_to_win1250(PG_FUNCTION_ARGS)
139 : {
140 4 : unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2);
141 4 : unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3);
142 4 : int len = PG_GETARG_INT32(4);
143 :
144 4 : CHECK_ENCODING_CONVERSION_ARGS(PG_LATIN2, PG_WIN1250);
145 :
146 4 : local2local(src, dest, len, PG_LATIN2, PG_WIN1250, iso88592_2_win1250);
147 :
148 4 : PG_RETURN_VOID();
149 : }
150 :
151 : Datum
152 4 : win1250_to_latin2(PG_FUNCTION_ARGS)
153 : {
154 4 : unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2);
155 4 : unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3);
156 4 : int len = PG_GETARG_INT32(4);
157 :
158 4 : CHECK_ENCODING_CONVERSION_ARGS(PG_WIN1250, PG_LATIN2);
159 :
160 4 : local2local(src, dest, len, PG_WIN1250, PG_LATIN2, win1250_2_iso88592);
161 :
162 4 : PG_RETURN_VOID();
163 : }
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