Index: webrtc/base/bytebuffer.cc |
diff --git a/webrtc/base/bytebuffer.cc b/webrtc/base/bytebuffer.cc |
deleted file mode 100644 |
index 859c123f025e9d4fda52bada23807c55455b8577..0000000000000000000000000000000000000000 |
--- a/webrtc/base/bytebuffer.cc |
+++ /dev/null |
@@ -1,283 +0,0 @@ |
-/* |
- * Copyright 2004 The WebRTC Project Authors. All rights reserved. |
- * |
- * Use of this source code is governed by a BSD-style license |
- * that can be found in the LICENSE file in the root of the source |
- * tree. An additional intellectual property rights grant can be found |
- * in the file PATENTS. All contributing project authors may |
- * be found in the AUTHORS file in the root of the source tree. |
- */ |
- |
-#include "webrtc/base/bytebuffer.h" |
- |
-#include <string.h> |
- |
-#include <algorithm> |
- |
-#include "webrtc/base/basictypes.h" |
-#include "webrtc/base/byteorder.h" |
- |
-namespace rtc { |
- |
-static const int DEFAULT_SIZE = 4096; |
- |
-ByteBufferWriter::ByteBufferWriter() |
- : ByteBuffer(ORDER_NETWORK) { |
- Construct(nullptr, DEFAULT_SIZE); |
-} |
- |
-ByteBufferWriter::ByteBufferWriter(ByteOrder byte_order) |
- : ByteBuffer(byte_order) { |
- Construct(nullptr, DEFAULT_SIZE); |
-} |
- |
-ByteBufferWriter::ByteBufferWriter(const char* bytes, size_t len) |
- : ByteBuffer(ORDER_NETWORK) { |
- Construct(bytes, len); |
-} |
- |
-ByteBufferWriter::ByteBufferWriter(const char* bytes, size_t len, |
- ByteOrder byte_order) |
- : ByteBuffer(byte_order) { |
- Construct(bytes, len); |
-} |
- |
-void ByteBufferWriter::Construct(const char* bytes, size_t len) { |
- size_ = len; |
- bytes_ = new char[size_]; |
- |
- if (bytes) { |
- end_ = len; |
- memcpy(bytes_, bytes, end_); |
- } else { |
- end_ = 0; |
- } |
-} |
- |
-ByteBufferWriter::~ByteBufferWriter() { |
- delete[] bytes_; |
-} |
- |
-void ByteBufferWriter::WriteUInt8(uint8_t val) { |
- WriteBytes(reinterpret_cast<const char*>(&val), 1); |
-} |
- |
-void ByteBufferWriter::WriteUInt16(uint16_t val) { |
- uint16_t v = (Order() == ORDER_NETWORK) ? HostToNetwork16(val) : val; |
- WriteBytes(reinterpret_cast<const char*>(&v), 2); |
-} |
- |
-void ByteBufferWriter::WriteUInt24(uint32_t val) { |
- uint32_t v = (Order() == ORDER_NETWORK) ? HostToNetwork32(val) : val; |
- char* start = reinterpret_cast<char*>(&v); |
- if (Order() == ORDER_NETWORK || IsHostBigEndian()) { |
- ++start; |
- } |
- WriteBytes(start, 3); |
-} |
- |
-void ByteBufferWriter::WriteUInt32(uint32_t val) { |
- uint32_t v = (Order() == ORDER_NETWORK) ? HostToNetwork32(val) : val; |
- WriteBytes(reinterpret_cast<const char*>(&v), 4); |
-} |
- |
-void ByteBufferWriter::WriteUInt64(uint64_t val) { |
- uint64_t v = (Order() == ORDER_NETWORK) ? HostToNetwork64(val) : val; |
- WriteBytes(reinterpret_cast<const char*>(&v), 8); |
-} |
- |
-// Serializes an unsigned varint in the format described by |
-// https://developers.google.com/protocol-buffers/docs/encoding#varints |
-// with the caveat that integers are 64-bit, not 128-bit. |
-void ByteBufferWriter::WriteUVarint(uint64_t val) { |
- while (val >= 0x80) { |
- // Write 7 bits at a time, then set the msb to a continuation byte (msb=1). |
- char byte = static_cast<char>(val) | 0x80; |
- WriteBytes(&byte, 1); |
- val >>= 7; |
- } |
- char last_byte = static_cast<char>(val); |
- WriteBytes(&last_byte, 1); |
-} |
- |
-void ByteBufferWriter::WriteString(const std::string& val) { |
- WriteBytes(val.c_str(), val.size()); |
-} |
- |
-void ByteBufferWriter::WriteBytes(const char* val, size_t len) { |
- memcpy(ReserveWriteBuffer(len), val, len); |
-} |
- |
-char* ByteBufferWriter::ReserveWriteBuffer(size_t len) { |
- if (Length() + len > Capacity()) |
- Resize(Length() + len); |
- |
- char* start = bytes_ + end_; |
- end_ += len; |
- return start; |
-} |
- |
-void ByteBufferWriter::Resize(size_t size) { |
- size_t len = std::min(end_, size); |
- if (size > size_) { |
- // Reallocate a larger buffer. |
- size_ = std::max(size, 3 * size_ / 2); |
- char* new_bytes = new char[size_]; |
- memcpy(new_bytes, bytes_, len); |
- delete [] bytes_; |
- bytes_ = new_bytes; |
- } |
- end_ = len; |
-} |
- |
-void ByteBufferWriter::Clear() { |
- memset(bytes_, 0, size_); |
- end_ = 0; |
-} |
- |
- |
-ByteBufferReader::ByteBufferReader(const char* bytes, size_t len) |
- : ByteBuffer(ORDER_NETWORK) { |
- Construct(bytes, len); |
-} |
- |
-ByteBufferReader::ByteBufferReader(const char* bytes, size_t len, |
- ByteOrder byte_order) |
- : ByteBuffer(byte_order) { |
- Construct(bytes, len); |
-} |
- |
-ByteBufferReader::ByteBufferReader(const char* bytes) |
- : ByteBuffer(ORDER_NETWORK) { |
- Construct(bytes, strlen(bytes)); |
-} |
- |
-ByteBufferReader::ByteBufferReader(const Buffer& buf) |
- : ByteBuffer(ORDER_NETWORK) { |
- Construct(buf.data<char>(), buf.size()); |
-} |
- |
-ByteBufferReader::ByteBufferReader(const ByteBufferWriter& buf) |
- : ByteBuffer(buf.Order()) { |
- Construct(buf.Data(), buf.Length()); |
-} |
- |
-void ByteBufferReader::Construct(const char* bytes, size_t len) { |
- bytes_ = bytes; |
- size_ = len; |
- start_ = 0; |
- end_ = len; |
-} |
- |
-bool ByteBufferReader::ReadUInt8(uint8_t* val) { |
- if (!val) return false; |
- |
- return ReadBytes(reinterpret_cast<char*>(val), 1); |
-} |
- |
-bool ByteBufferReader::ReadUInt16(uint16_t* val) { |
- if (!val) return false; |
- |
- uint16_t v; |
- if (!ReadBytes(reinterpret_cast<char*>(&v), 2)) { |
- return false; |
- } else { |
- *val = (Order() == ORDER_NETWORK) ? NetworkToHost16(v) : v; |
- return true; |
- } |
-} |
- |
-bool ByteBufferReader::ReadUInt24(uint32_t* val) { |
- if (!val) return false; |
- |
- uint32_t v = 0; |
- char* read_into = reinterpret_cast<char*>(&v); |
- if (Order() == ORDER_NETWORK || IsHostBigEndian()) { |
- ++read_into; |
- } |
- |
- if (!ReadBytes(read_into, 3)) { |
- return false; |
- } else { |
- *val = (Order() == ORDER_NETWORK) ? NetworkToHost32(v) : v; |
- return true; |
- } |
-} |
- |
-bool ByteBufferReader::ReadUInt32(uint32_t* val) { |
- if (!val) return false; |
- |
- uint32_t v; |
- if (!ReadBytes(reinterpret_cast<char*>(&v), 4)) { |
- return false; |
- } else { |
- *val = (Order() == ORDER_NETWORK) ? NetworkToHost32(v) : v; |
- return true; |
- } |
-} |
- |
-bool ByteBufferReader::ReadUInt64(uint64_t* val) { |
- if (!val) return false; |
- |
- uint64_t v; |
- if (!ReadBytes(reinterpret_cast<char*>(&v), 8)) { |
- return false; |
- } else { |
- *val = (Order() == ORDER_NETWORK) ? NetworkToHost64(v) : v; |
- return true; |
- } |
-} |
- |
-bool ByteBufferReader::ReadUVarint(uint64_t* val) { |
- if (!val) { |
- return false; |
- } |
- // Integers are deserialized 7 bits at a time, with each byte having a |
- // continuation byte (msb=1) if there are more bytes to be read. |
- uint64_t v = 0; |
- for (int i = 0; i < 64; i += 7) { |
- char byte; |
- if (!ReadBytes(&byte, 1)) { |
- return false; |
- } |
- // Read the first 7 bits of the byte, then offset by bits read so far. |
- v |= (static_cast<uint64_t>(byte) & 0x7F) << i; |
- // True if the msb is not a continuation byte. |
- if (static_cast<uint64_t>(byte) < 0x80) { |
- *val = v; |
- return true; |
- } |
- } |
- return false; |
-} |
- |
-bool ByteBufferReader::ReadString(std::string* val, size_t len) { |
- if (!val) return false; |
- |
- if (len > Length()) { |
- return false; |
- } else { |
- val->append(bytes_ + start_, len); |
- start_ += len; |
- return true; |
- } |
-} |
- |
-bool ByteBufferReader::ReadBytes(char* val, size_t len) { |
- if (len > Length()) { |
- return false; |
- } else { |
- memcpy(val, bytes_ + start_, len); |
- start_ += len; |
- return true; |
- } |
-} |
- |
-bool ByteBufferReader::Consume(size_t size) { |
- if (size > Length()) |
- return false; |
- start_ += size; |
- return true; |
-} |
- |
-} // namespace rtc |