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39 
40 // Most of the code here was originally written by Serika Kurusugawa
41 // a.k.a. Junji Takagi, and is included in Qt with the author's permission,
42 // and the grateful thanks of the Qt team.
43 
44 /*
45  * Copyright (C) 1999 Serika Kurusugawa, All rights reserved.
46  *
47  * Redistribution and use in source and binary forms, with or without
48  * modification, are permitted provided that the following conditions
49  * are met:
50  * 1. Redistributions of source code must retain the above copyright
51  *    notice, this list of conditions and the following disclaimer.
52  * 2. Redistributions in binary form must reproduce the above copyright
53  *    notice, this list of conditions and the following disclaimer in the
54  *    documentation and/or other materials provided with the distribution.
55  *
56  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
57  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
58  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
59  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
60  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
61  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
62  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
63  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
64  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
65  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
66  * SUCH DAMAGE.
67  */
68 
69 #ifndef QJPUNICODE_P_H
70 #define QJPUNICODE_P_H
71 
72 //
73 //  W A R N I N G
74 //  -------------
75 //
76 // This file is not part of the Qt API.  It exists for the convenience
77 // of other Qt classes.  This header file may change from version to
78 // version without notice, or even be removed.
79 //
80 // We mean it.
81 //
82 
83 #include <QtCore/private/qglobal_p.h>
84 
85 QT_REQUIRE_CONFIG(big_codecs);
86 
87 QT_BEGIN_NAMESPACE
88 
89 class QJpUnicodeConv {
90 public:
~QJpUnicodeConv()91     virtual ~QJpUnicodeConv() {}
92     enum Rules {
93         // "ASCII" is ANSI X.3.4-1986, a.k.a. US-ASCII here.
94         Default                        = 0x0000,
95 
96         Unicode                        = 0x0001,
97         Unicode_JISX0201                = 0x0001,
98         Unicode_ASCII                 = 0x0002,
99         JISX0221_JISX0201         = 0x0003,
100         JISX0221_ASCII                = 0x0004,
101         Sun_JDK117                     = 0x0005,
102         Microsoft_CP932                = 0x0006,
103 
104         NEC_VDC                = 0x0100,                // NEC Vender Defined Char
105         UDC                        = 0x0200,                // User Defined Char
106         IBM_VDC                = 0x0400                // IBM Vender Defined Char
107     };
108     static QJpUnicodeConv *newConverter(int rule);
109 
110     virtual uint asciiToUnicode(uint h, uint l) const;
111     /*virtual*/ uint jisx0201ToUnicode(uint h, uint l) const;
112     virtual uint jisx0201LatinToUnicode(uint h, uint l) const;
113     /*virtual*/ uint jisx0201KanaToUnicode(uint h, uint l) const;
114     virtual uint jisx0208ToUnicode(uint h, uint l) const;
115     virtual uint jisx0212ToUnicode(uint h, uint l) const;
116 
asciiToUnicode(uint ascii)117     uint asciiToUnicode(uint ascii) const {
118         return asciiToUnicode((ascii & 0xff00) >> 8, (ascii & 0x00ff));
119     }
jisx0201ToUnicode(uint jis)120     uint jisx0201ToUnicode(uint jis) const {
121         return jisx0201ToUnicode((jis & 0xff00) >> 8, (jis & 0x00ff));
122     }
jisx0201LatinToUnicode(uint jis)123     uint jisx0201LatinToUnicode(uint jis) const {
124         return jisx0201LatinToUnicode((jis & 0xff00) >> 8, (jis & 0x00ff));
125     }
jisx0201KanaToUnicode(uint jis)126     uint jisx0201KanaToUnicode(uint jis) const {
127         return jisx0201KanaToUnicode((jis & 0xff00) >> 8, (jis & 0x00ff));
128     }
jisx0208ToUnicode(uint jis)129     uint jisx0208ToUnicode(uint jis) const {
130         return jisx0208ToUnicode((jis & 0xff00) >> 8, (jis & 0x00ff));
131     }
jisx0212ToUnicode(uint jis)132     uint jisx0212ToUnicode(uint jis) const {
133         return jisx0212ToUnicode((jis & 0xff00) >> 8, (jis & 0x00ff));
134     }
135 
136     virtual uint unicodeToAscii(uint h, uint l) const;
137     /*virtual*/ uint unicodeToJisx0201(uint h, uint l) const;
138     virtual uint unicodeToJisx0201Latin(uint h, uint l) const;
139     /*virtual*/ uint unicodeToJisx0201Kana(uint h, uint l) const;
140     virtual uint unicodeToJisx0208(uint h, uint l) const;
141     virtual uint unicodeToJisx0212(uint h, uint l) const;
142 
unicodeToAscii(uint unicode)143     uint unicodeToAscii(uint unicode) const {
144         return unicodeToAscii((unicode & 0xff00) >> 8, (unicode & 0x00ff));
145     }
unicodeToJisx0201(uint unicode)146     uint unicodeToJisx0201(uint unicode) const {
147         return unicodeToJisx0201((unicode & 0xff00) >> 8, (unicode & 0x00ff));
148     }
unicodeToJisx0201Latin(uint unicode)149     uint unicodeToJisx0201Latin(uint unicode) const {
150         return unicodeToJisx0201Latin((unicode & 0xff00) >> 8, (unicode & 0x00ff));
151     }
unicodeToJisx0201Kana(uint unicode)152     uint unicodeToJisx0201Kana(uint unicode) const {
153         return unicodeToJisx0201Kana((unicode & 0xff00) >> 8, (unicode & 0x00ff));
154     }
unicodeToJisx0208(uint unicode)155     uint unicodeToJisx0208(uint unicode) const {
156         return unicodeToJisx0208((unicode & 0xff00) >> 8, (unicode & 0x00ff));
157     }
unicodeToJisx0212(uint unicode)158     uint unicodeToJisx0212(uint unicode) const {
159         return unicodeToJisx0212((unicode & 0xff00) >> 8, (unicode & 0x00ff));
160     }
161 
162     uint sjisToUnicode(uint h, uint l) const;
163     uint unicodeToSjis(uint h, uint l) const;
164     uint sjisibmvdcToUnicode(uint h, uint l) const;
165     uint unicodeToSjisibmvdc(uint h, uint l) const;
166     uint cp932ToUnicode(uint h, uint l) const;
167     uint unicodeToCp932(uint h, uint l) const;
168 
sjisToUnicode(uint sjis)169     uint sjisToUnicode(uint sjis) const {
170         return sjisToUnicode((sjis & 0xff00) >> 8, (sjis & 0x00ff));
171     }
unicodeToSjis(uint unicode)172     uint unicodeToSjis(uint unicode) const {
173         return unicodeToSjis((unicode & 0xff00) >> 8, (unicode & 0x00ff));
174     }
175 
176 protected:
QJpUnicodeConv(int r)177     explicit QJpUnicodeConv(int r) : rule(r) {}
178 
179 private:
180     int rule;
181 };
182 
183 QT_END_NAMESPACE
184 
185 #endif // QJPUNICODE_P_H
186