2 * Copyright (C) 2011 Apple Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
27 #include "DecoderAdapter.h"
29 #include "DataReference.h"
30 #include "WebCoreArgumentCoders.h"
31 #include <wtf/text/WTFString.h>
35 DecoderAdapter::DecoderAdapter(const uint8_t* buffer, size_t bufferSize)
36 : m_decoder(buffer, bufferSize)
40 bool DecoderAdapter::decodeBytes(Vector<uint8_t>& bytes)
42 CoreIPC::DataReference dataReference;
43 if (!m_decoder.decodeVariableLengthByteArray(dataReference))
46 bytes = dataReference.vector();
50 bool DecoderAdapter::decodeBool(bool& value)
52 return m_decoder.decodeBool(value);
55 bool DecoderAdapter::decodeUInt16(uint16_t& value)
57 return m_decoder.decodeUInt16(value);
60 bool DecoderAdapter::decodeUInt32(uint32_t& value)
62 return m_decoder.decodeUInt32(value);
65 bool DecoderAdapter::decodeUInt64(uint64_t& value)
67 return m_decoder.decodeUInt64(value);
70 bool DecoderAdapter::decodeInt32(int32_t& value)
72 return m_decoder.decodeInt32(value);
75 bool DecoderAdapter::decodeInt64(int64_t& value)
77 return m_decoder.decodeInt64(value);
80 bool DecoderAdapter::decodeFloat(float& value)
82 return m_decoder.decodeFloat(value);
85 bool DecoderAdapter::decodeDouble(double& value)
87 return m_decoder.decodeDouble(value);
90 bool DecoderAdapter::decodeString(String& value)
92 // This mimics the CoreIPC binary encoding of Strings prior to r88886.
93 // Whenever the CoreIPC binary encoding changes, we'll have to "undo" the changes here.
94 // FIXME: We shouldn't use the CoreIPC binary encoding format for history,
95 // and we should come up with a migration strategy so we can actually bump the version number
96 // without breaking encoding/decoding of the history tree.
99 if (!m_decoder.decode(length))
102 if (length == std::numeric_limits<uint32_t>::max()) {
103 // This is the null string.
108 uint64_t lengthInBytes;
109 if (!m_decoder.decode(lengthInBytes))
112 if (lengthInBytes % sizeof(UChar) || lengthInBytes / sizeof(UChar) != length) {
113 m_decoder.markInvalid();
117 if (!m_decoder.bufferIsLargeEnoughToContain<UChar>(length)) {
118 m_decoder.markInvalid();
123 String string = String::createUninitialized(length, buffer);
124 if (!m_decoder.decodeFixedLengthData(reinterpret_cast<uint8_t*>(buffer), length * sizeof(UChar), __alignof(UChar)))