1 //
2 // Latin1Encoding.cpp
3 //
4 // Library: Foundation
5 // Package: Text
6 // Module:  Latin1Encoding
7 //
8 // Copyright (c) 2004-2007, Applied Informatics Software Engineering GmbH.
9 // and Contributors.
10 //
11 // SPDX-License-Identifier:	BSL-1.0
12 //
13 
14 
15 #include "Poco/Latin1Encoding.h"
16 #include "Poco/String.h"
17 
18 
19 namespace Poco {
20 
21 
22 const char* Latin1Encoding::_names[] =
23 {
24 	"ISO-8859-1",
25 	"Latin1",
26 	"Latin-1",
27 	NULL
28 };
29 
30 
31 const TextEncoding::CharacterMap Latin1Encoding::_charMap =
32 {
33 	/*          00    01    02    03    04    05    06    07    08    09    0a    0b    0c    0d    0e    0f   */
34 	/* 00 */	0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
35 	/* 10 */	0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
36 	/* 20 */	0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
37 	/* 30 */	0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
38 	/* 40 */	0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
39 	/* 50 */	0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
40 	/* 60 */	0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
41 	/* 70 */	0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
42 	/* 80 */	0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
43 	/* 90 */	0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
44 	/* a0 */	0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
45 	/* b0 */	0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
46 	/* c0 */	0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
47 	/* d0 */	0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
48 	/* e0 */	0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
49 	/* f0 */	0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff,
50 };
51 
52 
Latin1Encoding()53 Latin1Encoding::Latin1Encoding()
54 {
55 }
56 
57 
~Latin1Encoding()58 Latin1Encoding::~Latin1Encoding()
59 {
60 }
61 
62 
canonicalName() const63 const char* Latin1Encoding::canonicalName() const
64 {
65 	return _names[0];
66 }
67 
68 
isA(const std::string & encodingName) const69 bool Latin1Encoding::isA(const std::string& encodingName) const
70 {
71 	for (const char** name = _names; *name; ++name)
72 	{
73 		if (Poco::icompare(encodingName, *name) == 0)
74 			return true;
75 	}
76 	return false;
77 }
78 
79 
characterMap() const80 const TextEncoding::CharacterMap& Latin1Encoding::characterMap() const
81 {
82 	return _charMap;
83 }
84 
85 
convert(const unsigned char * bytes) const86 int Latin1Encoding::convert(const unsigned char* bytes) const
87 {
88 	return *bytes;
89 }
90 
91 
convert(int ch,unsigned char * bytes,int length) const92 int Latin1Encoding::convert(int ch, unsigned char* bytes, int length) const
93 {
94 	if (ch >= 0 && ch <= 255)
95 	{
96 		if (bytes && length >= 1)
97 			*bytes = (unsigned char) ch;
98 		return 1;
99 	}
100 	else return 0;
101 }
102 
103 
queryConvert(const unsigned char * bytes,int length) const104 int Latin1Encoding::queryConvert(const unsigned char* bytes, int length) const
105 {
106 	if (1 <= length)
107 		return *bytes;
108 	else
109 		return -1;
110 }
111 
112 
sequenceLength(const unsigned char * bytes,int length) const113 int Latin1Encoding::sequenceLength(const unsigned char* bytes, int length) const
114 {
115 	return 1;
116 }
117 
118 
119 } // namespace Poco
120