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Side by Side Diff: third_party/WebKit/Source/wtf/text/TextCodecUserDefined.cpp

Issue 1611343002: wtf reformat test Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: pydent Created 4 years, 11 months ago
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1 /* 1 /*
2 * Copyright (C) 2007, 2008 Apple, Inc. All rights reserved. 2 * Copyright (C) 2007, 2008 Apple, Inc. All rights reserved.
3 * 3 *
4 * Redistribution and use in source and binary forms, with or without 4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions 5 * modification, are permitted provided that the following conditions
6 * are met: 6 * are met:
7 * 1. Redistributions of source code must retain the above copyright 7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer. 8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright 9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the 10 * notice, this list of conditions and the following disclaimer in the
(...skipping 15 matching lines...) Expand all
26 #include "wtf/text/TextCodecUserDefined.h" 26 #include "wtf/text/TextCodecUserDefined.h"
27 27
28 #include "wtf/PassOwnPtr.h" 28 #include "wtf/PassOwnPtr.h"
29 #include "wtf/text/CString.h" 29 #include "wtf/text/CString.h"
30 #include "wtf/text/StringBuffer.h" 30 #include "wtf/text/StringBuffer.h"
31 #include "wtf/text/StringBuilder.h" 31 #include "wtf/text/StringBuilder.h"
32 #include "wtf/text/WTFString.h" 32 #include "wtf/text/WTFString.h"
33 33
34 namespace WTF { 34 namespace WTF {
35 35
36 void TextCodecUserDefined::registerEncodingNames(EncodingNameRegistrar registrar ) 36 void TextCodecUserDefined::registerEncodingNames(
37 { 37 EncodingNameRegistrar registrar) {
38 registrar("x-user-defined", "x-user-defined"); 38 registrar("x-user-defined", "x-user-defined");
39 } 39 }
40 40
41 static PassOwnPtr<TextCodec> newStreamingTextDecoderUserDefined(const TextEncodi ng&, const void*) 41 static PassOwnPtr<TextCodec> newStreamingTextDecoderUserDefined(
42 { 42 const TextEncoding&,
43 return adoptPtr(new TextCodecUserDefined); 43 const void*) {
44 return adoptPtr(new TextCodecUserDefined);
44 } 45 }
45 46
46 void TextCodecUserDefined::registerCodecs(TextCodecRegistrar registrar) 47 void TextCodecUserDefined::registerCodecs(TextCodecRegistrar registrar) {
47 { 48 registrar("x-user-defined", newStreamingTextDecoderUserDefined, 0);
48 registrar("x-user-defined", newStreamingTextDecoderUserDefined, 0);
49 } 49 }
50 50
51 String TextCodecUserDefined::decode(const char* bytes, size_t length, FlushBehav ior, bool, bool&) 51 String TextCodecUserDefined::decode(const char* bytes,
52 { 52 size_t length,
53 StringBuilder result; 53 FlushBehavior,
54 result.reserveCapacity(length); 54 bool,
55 bool&) {
56 StringBuilder result;
57 result.reserveCapacity(length);
55 58
56 for (size_t i = 0; i < length; ++i) { 59 for (size_t i = 0; i < length; ++i) {
57 signed char c = bytes[i]; 60 signed char c = bytes[i];
58 result.append(static_cast<UChar>(c & 0xF7FF)); 61 result.append(static_cast<UChar>(c & 0xF7FF));
59 } 62 }
60 63
61 return result.toString(); 64 return result.toString();
62 } 65 }
63 66
64 template<typename CharType> 67 template <typename CharType>
65 static CString encodeComplexUserDefined(const CharType* characters, size_t lengt h, UnencodableHandling handling) 68 static CString encodeComplexUserDefined(const CharType* characters,
66 { 69 size_t length,
67 Vector<char> result(length); 70 UnencodableHandling handling) {
68 char* bytes = result.data(); 71 Vector<char> result(length);
72 char* bytes = result.data();
69 73
70 size_t resultLength = 0; 74 size_t resultLength = 0;
71 for (size_t i = 0; i < length; ) { 75 for (size_t i = 0; i < length;) {
72 UChar32 c; 76 UChar32 c;
73 U16_NEXT(characters, i, length, c); 77 U16_NEXT(characters, i, length, c);
74 signed char signedByte = static_cast<signed char>(c); 78 signed char signedByte = static_cast<signed char>(c);
75 if ((signedByte & 0xF7FF) == c) { 79 if ((signedByte & 0xF7FF) == c) {
76 bytes[resultLength++] = signedByte; 80 bytes[resultLength++] = signedByte;
77 } else { 81 } else {
78 // No way to encode this character with x-user-defined. 82 // No way to encode this character with x-user-defined.
79 UnencodableReplacementArray replacement; 83 UnencodableReplacementArray replacement;
80 int replacementLength = TextCodec::getUnencodableReplacement(c, hand ling, replacement); 84 int replacementLength =
81 result.grow(resultLength + replacementLength + length - i); 85 TextCodec::getUnencodableReplacement(c, handling, replacement);
82 bytes = result.data(); 86 result.grow(resultLength + replacementLength + length - i);
83 memcpy(bytes + resultLength, replacement, replacementLength); 87 bytes = result.data();
84 resultLength += replacementLength; 88 memcpy(bytes + resultLength, replacement, replacementLength);
85 } 89 resultLength += replacementLength;
86 } 90 }
91 }
87 92
88 return CString(bytes, resultLength); 93 return CString(bytes, resultLength);
89 } 94 }
90 95
91 template<typename CharType> 96 template <typename CharType>
92 CString TextCodecUserDefined::encodeCommon(const CharType* characters, size_t le ngth, UnencodableHandling handling) 97 CString TextCodecUserDefined::encodeCommon(const CharType* characters,
93 { 98 size_t length,
94 char* bytes; 99 UnencodableHandling handling) {
95 CString result = CString::newUninitialized(length, bytes); 100 char* bytes;
101 CString result = CString::newUninitialized(length, bytes);
96 102
97 // Convert the string a fast way and simultaneously do an efficient check to see if it's all ASCII. 103 // Convert the string a fast way and simultaneously do an efficient check to s ee if it's all ASCII.
98 UChar ored = 0; 104 UChar ored = 0;
99 for (size_t i = 0; i < length; ++i) { 105 for (size_t i = 0; i < length; ++i) {
100 UChar c = characters[i]; 106 UChar c = characters[i];
101 bytes[i] = static_cast<char>(c); 107 bytes[i] = static_cast<char>(c);
102 ored |= c; 108 ored |= c;
103 } 109 }
104 110
105 if (!(ored & 0xFF80)) 111 if (!(ored & 0xFF80))
106 return result; 112 return result;
107 113
108 // If it wasn't all ASCII, call the function that handles more-complex cases . 114 // If it wasn't all ASCII, call the function that handles more-complex cases.
109 return encodeComplexUserDefined(characters, length, handling); 115 return encodeComplexUserDefined(characters, length, handling);
110 } 116 }
111 117
112 CString TextCodecUserDefined::encode(const UChar* characters, size_t length, Une ncodableHandling handling) 118 CString TextCodecUserDefined::encode(const UChar* characters,
113 { 119 size_t length,
114 return encodeCommon(characters, length, handling); 120 UnencodableHandling handling) {
121 return encodeCommon(characters, length, handling);
115 } 122 }
116 123
117 CString TextCodecUserDefined::encode(const LChar* characters, size_t length, Une ncodableHandling handling) 124 CString TextCodecUserDefined::encode(const LChar* characters,
118 { 125 size_t length,
119 return encodeCommon(characters, length, handling); 126 UnencodableHandling handling) {
127 return encodeCommon(characters, length, handling);
120 } 128 }
121 129
122 } // namespace WTF 130 } // namespace WTF
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