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1 /* | 1 /* |
2 * Copyright (C) 2004, 2006 Apple Computer, Inc. All rights reserved. | 2 * Copyright (C) 2004, 2006 Apple Computer, Inc. All rights reserved. |
3 * Copyright (C) 2006 Alexey Proskuryakov <ap@nypop.com> | 3 * Copyright (C) 2006 Alexey Proskuryakov <ap@nypop.com> |
4 * | 4 * |
5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
6 * modification, are permitted provided that the following conditions | 6 * modification, are permitted provided that the following conditions |
7 * are met: | 7 * are met: |
8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
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43 // Substitutes the replacement character "?". | 43 // Substitutes the replacement character "?". |
44 QuestionMarksForUnencodables, | 44 QuestionMarksForUnencodables, |
45 | 45 |
46 // Encodes the character as an XML entity. For example, U+06DE | 46 // Encodes the character as an XML entity. For example, U+06DE |
47 // would be "۞" (0x6DE = 1758 in octal). | 47 // would be "۞" (0x6DE = 1758 in octal). |
48 EntitiesForUnencodables, | 48 EntitiesForUnencodables, |
49 | 49 |
50 // Encodes the character as en entity as above, but escaped | 50 // Encodes the character as en entity as above, but escaped |
51 // non-alphanumeric characters. This is used in URLs. | 51 // non-alphanumeric characters. This is used in URLs. |
52 // For example, U+6DE would be "%26%231758%3B". | 52 // For example, U+6DE would be "%26%231758%3B". |
53 URLEncodedEntitiesForUnencodables | 53 URLEncodedEntitiesForUnencodables, |
| 54 |
| 55 // Encodes the character as a CSS entity. For example U+06DE |
| 56 // would be \06de. See: https://www.w3.org/TR/css-syntax-3/#escaping |
| 57 CSSEncodedEntitiesForUnencodables, |
54 }; | 58 }; |
55 | 59 |
56 typedef char UnencodableReplacementArray[32]; | 60 typedef char UnencodableReplacementArray[32]; |
57 | 61 |
58 enum FlushBehavior { | 62 enum FlushBehavior { |
59 // More bytes are coming, don't flush the codec. | 63 // More bytes are coming, don't flush the codec. |
60 DoNotFlush = 0, | 64 DoNotFlush = 0, |
61 | 65 |
62 // A fetch has hit EOF. Some codecs handle fetches differently, for compat r
easons. | 66 // A fetch has hit EOF. Some codecs handle fetches differently, for compat r
easons. |
63 FetchEOF, | 67 FetchEOF, |
64 | 68 |
65 // Do a full flush of the codec. | 69 // Do a full flush of the codec. |
66 DataEOF | 70 DataEOF |
67 }; | 71 }; |
68 | 72 |
69 static_assert(!DoNotFlush, "DoNotFlush should be falsy"); | 73 static_assert(!DoNotFlush, "DoNotFlush should be falsy"); |
70 static_assert(FetchEOF, "FetchEOF should be truthy"); | 74 static_assert(FetchEOF, "FetchEOF should be truthy"); |
71 static_assert(DataEOF, "DataEOF should be truthy"); | 75 static_assert(DataEOF, "DataEOF should be truthy"); |
72 | 76 |
73 | 77 class WTF_EXPORT TextCodec { |
74 class TextCodec { | |
75 WTF_MAKE_NONCOPYABLE(TextCodec); USING_FAST_MALLOC(TextCodec); | 78 WTF_MAKE_NONCOPYABLE(TextCodec); USING_FAST_MALLOC(TextCodec); |
76 public: | 79 public: |
77 TextCodec() { } | 80 TextCodec() { } |
78 virtual ~TextCodec(); | 81 virtual ~TextCodec(); |
79 | 82 |
80 String decode(const char* str, size_t length, FlushBehavior flush = DoNotFlu
sh) | 83 String decode(const char* str, size_t length, FlushBehavior flush = DoNotFlu
sh) |
81 { | 84 { |
82 bool ignored; | 85 bool ignored; |
83 return decode(str, length, flush, false, ignored); | 86 return decode(str, length, flush, false, ignored); |
84 } | 87 } |
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96 typedef void (*EncodingNameRegistrar)(const char* alias, const char* name); | 99 typedef void (*EncodingNameRegistrar)(const char* alias, const char* name); |
97 | 100 |
98 typedef PassOwnPtr<TextCodec> (*NewTextCodecFunction)(const TextEncoding&, const
void* additionalData); | 101 typedef PassOwnPtr<TextCodec> (*NewTextCodecFunction)(const TextEncoding&, const
void* additionalData); |
99 typedef void (*TextCodecRegistrar)(const char* name, NewTextCodecFunction, const
void* additionalData); | 102 typedef void (*TextCodecRegistrar)(const char* name, NewTextCodecFunction, const
void* additionalData); |
100 | 103 |
101 } // namespace WTF | 104 } // namespace WTF |
102 | 105 |
103 using WTF::TextCodec; | 106 using WTF::TextCodec; |
104 | 107 |
105 #endif // TextCodec_h | 108 #endif // TextCodec_h |
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