2 * Copyright (C) 2011 Apple Inc. All rights reserved.
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27 #include "EncoderAdapter.h"
29 #include "DataReference.h"
30 #include "WebCoreArgumentCoders.h"
31 #include <wtf/text/WTFString.h>
35 EncoderAdapter::EncoderAdapter()
36 : m_encoder(CoreIPC::ArgumentEncoder::create(0))
40 CoreIPC::DataReference EncoderAdapter::dataReference() const
42 return CoreIPC::DataReference(m_encoder->buffer(), m_encoder->bufferSize());
45 void EncoderAdapter::encodeBytes(const uint8_t* bytes, size_t size)
47 m_encoder->encodeVariableLengthByteArray(CoreIPC::DataReference(bytes, size));
50 void EncoderAdapter::encodeBool(bool value)
52 m_encoder->encodeBool(value);
55 void EncoderAdapter::encodeUInt16(uint16_t value)
57 m_encoder->encodeUInt16(value);
60 void EncoderAdapter::encodeUInt32(uint32_t value)
62 m_encoder->encodeUInt32(value);
65 void EncoderAdapter::encodeUInt64(uint64_t value)
67 m_encoder->encodeUInt64(value);
70 void EncoderAdapter::encodeInt32(int32_t value)
72 m_encoder->encodeInt32(value);
75 void EncoderAdapter::encodeInt64(int64_t value)
77 m_encoder->encodeInt64(value);
80 void EncoderAdapter::encodeFloat(float value)
82 m_encoder->encodeFloat(value);
85 void EncoderAdapter::encodeDouble(double value)
87 m_encoder->encodeDouble(value);
90 void EncoderAdapter::encodeString(const 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.
98 // Special case the null string.
100 m_encoder->encodeUInt32(std::numeric_limits<uint32_t>::max());
104 uint32_t length = value.length();
105 m_encoder->encode(length);
107 uint64_t lengthInBytes = length * sizeof(UChar);
108 m_encoder->encode(lengthInBytes);
109 m_encoder->encodeFixedLengthData(reinterpret_cast<const uint8_t*>(value.characters()), length * sizeof(UChar), __alignof(UChar));