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4 : *
5 : * The contents of this file are subject to the Mozilla Public License Version
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7 : * the License. You may obtain a copy of the License at
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11 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 : * for the specific language governing rights and limitations under the
13 : * License.
14 : *
15 : * The Original Code is Mozilla Communicator client code.
16 : *
17 : * The Initial Developer of the Original Code is
18 : * Netscape Communications Corporation.
19 : * Portions created by the Initial Developer are Copyright (C) 1998
20 : * the Initial Developer. All Rights Reserved.
21 : *
22 : * Contributor(s):
23 : *
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37 :
38 : #ifndef nsUnicodeToUCS2BE_h___
39 : #define nsUnicodeToUCS2BE_h___
40 :
41 : #include "nsUCSupport.h"
42 :
43 : class nsUnicodeToUTF16BE: public nsBasicEncoder
44 104 : {
45 : public:
46 37 : nsUnicodeToUTF16BE() { mBOM = 0;}
47 :
48 : //--------------------------------------------------------------------
49 : // Interface nsIUnicodeEncoder [declaration]
50 :
51 : NS_IMETHOD Convert(const PRUnichar * aSrc, PRInt32 * aSrcLength,
52 : char * aDest, PRInt32 * aDestLength);
53 : NS_IMETHOD GetMaxLength(const PRUnichar * aSrc, PRInt32 aSrcLength,
54 : PRInt32 * aDestLength);
55 : NS_IMETHOD Finish(char * aDest, PRInt32 * aDestLength);
56 : NS_IMETHOD Reset();
57 : NS_IMETHOD SetOutputErrorBehavior(PRInt32 aBehavior,
58 : nsIUnicharEncoder * aEncoder, PRUnichar aChar);
59 :
60 : protected:
61 : PRUnichar mBOM;
62 : NS_IMETHOD CopyData(char* aDest, const PRUnichar* aSrc, PRInt32 aLen );
63 : };
64 :
65 : class nsUnicodeToUTF16LE: public nsUnicodeToUTF16BE
66 72 : {
67 : public:
68 22 : nsUnicodeToUTF16LE() { mBOM = 0;}
69 :
70 : protected:
71 : NS_IMETHOD CopyData(char* aDest, const PRUnichar* aSrc, PRInt32 aLen );
72 : };
73 :
74 : // XXX In theory, we have to check the endianness at run-time because some
75 : // modern RISC processors can be run at both LE and BE.
76 : #ifdef IS_LITTLE_ENDIAN
77 : class nsUnicodeToUTF16: public nsUnicodeToUTF16LE
78 : #elif defined(IS_BIG_ENDIAN)
79 : class nsUnicodeToUTF16: public nsUnicodeToUTF16BE
80 : #else
81 : #error "Unknown endianness"
82 : #endif
83 32 : {
84 : public:
85 8 : nsUnicodeToUTF16() { mBOM = 0xFEFF;}
86 : };
87 :
88 : #endif /* nsUnicodeToUCS2BE_h___ */
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