Move base to DEPS

base/pickle.cc

Index: base/pickle.cc
diff --git a/base/pickle.cc b/base/pickle.cc
deleted file mode 100644
index cf4a865d35c337421b0acea57a05211fa076b06f..0000000000000000000000000000000000000000
--- a/base/pickle.cc
+++ /dev/null
@@ -1,380 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "base/pickle.h"
-
-#include <stdlib.h>
-
-#include <algorithm>  // for max()
-
-namespace base {
-
-// static
-const int Pickle::kPayloadUnit = 64;
-
-static const size_t kCapacityReadOnly = static_cast<size_t>(-1);
-
-PickleIterator::PickleIterator(const Pickle& pickle)
-    : payload_(pickle.payload()),
-      read_index_(0),
-      end_index_(pickle.payload_size()) {
-}
-
-template <typename Type>
-inline bool PickleIterator::ReadBuiltinType(Type* result) {
-  const char* read_from = GetReadPointerAndAdvance<Type>();
-  if (!read_from)
-    return false;
-  if (sizeof(Type) > sizeof(uint32))
-    memcpy(result, read_from, sizeof(*result));
-  else
-    *result = *reinterpret_cast<const Type*>(read_from);
-  return true;
-}
-
-inline void PickleIterator::Advance(size_t size) {
-  size_t aligned_size = AlignInt(size, sizeof(uint32_t));
-  if (end_index_ - read_index_ < aligned_size) {
-    read_index_ = end_index_;
-  } else {
-    read_index_ += aligned_size;
-  }
-}
-
-template<typename Type>
-inline const char* PickleIterator::GetReadPointerAndAdvance() {
-  if (sizeof(Type) > end_index_ - read_index_) {
-    read_index_ = end_index_;
-    return NULL;
-  }
-  const char* current_read_ptr = payload_ + read_index_;
-  Advance(sizeof(Type));
-  return current_read_ptr;
-}
-
-const char* PickleIterator::GetReadPointerAndAdvance(int num_bytes) {
-  if (num_bytes < 0 ||
-      end_index_ - read_index_ < static_cast<size_t>(num_bytes)) {
-    read_index_ = end_index_;
-    return NULL;
-  }
-  const char* current_read_ptr = payload_ + read_index_;
-  Advance(num_bytes);
-  return current_read_ptr;
-}
-
-inline const char* PickleIterator::GetReadPointerAndAdvance(
-    int num_elements,
-    size_t size_element) {
-  // Check for int32 overflow.
-  int64 num_bytes = static_cast<int64>(num_elements) * size_element;
-  int num_bytes32 = static_cast<int>(num_bytes);
-  if (num_bytes != static_cast<int64>(num_bytes32))
-    return NULL;
-  return GetReadPointerAndAdvance(num_bytes32);
-}
-
-bool PickleIterator::ReadBool(bool* result) {
-  return ReadBuiltinType(result);
-}
-
-bool PickleIterator::ReadInt(int* result) {
-  return ReadBuiltinType(result);
-}
-
-bool PickleIterator::ReadLong(long* result) {
-  return ReadBuiltinType(result);
-}
-
-bool PickleIterator::ReadUInt16(uint16* result) {
-  return ReadBuiltinType(result);
-}
-
-bool PickleIterator::ReadUInt32(uint32* result) {
-  return ReadBuiltinType(result);
-}
-
-bool PickleIterator::ReadInt64(int64* result) {
-  return ReadBuiltinType(result);
-}
-
-bool PickleIterator::ReadUInt64(uint64* result) {
-  return ReadBuiltinType(result);
-}
-
-bool PickleIterator::ReadSizeT(size_t* result) {
-  // Always read size_t as a 64-bit value to ensure compatibility between 32-bit
-  // and 64-bit processes.
-  uint64 result_uint64 = 0;
-  bool success = ReadBuiltinType(&result_uint64);
-  *result = static_cast<size_t>(result_uint64);
-  // Fail if the cast above truncates the value.
-  return success && (*result == result_uint64);
-}
-
-bool PickleIterator::ReadFloat(float* result) {
-  // crbug.com/315213
-  // The source data may not be properly aligned, and unaligned float reads
-  // cause SIGBUS on some ARM platforms, so force using memcpy to copy the data
-  // into the result.
-  const char* read_from = GetReadPointerAndAdvance<float>();
-  if (!read_from)
-    return false;
-  memcpy(result, read_from, sizeof(*result));
-  return true;
-}
-
-bool PickleIterator::ReadDouble(double* result) {
-  // crbug.com/315213
-  // The source data may not be properly aligned, and unaligned double reads
-  // cause SIGBUS on some ARM platforms, so force using memcpy to copy the data
-  // into the result.
-  const char* read_from = GetReadPointerAndAdvance<double>();
-  if (!read_from)
-    return false;
-  memcpy(result, read_from, sizeof(*result));
-  return true;
-}
-
-bool PickleIterator::ReadString(std::string* result) {
-  int len;
-  if (!ReadInt(&len))
-    return false;
-  const char* read_from = GetReadPointerAndAdvance(len);
-  if (!read_from)
-    return false;
-
-  result->assign(read_from, len);
-  return true;
-}
-
-bool PickleIterator::ReadStringPiece(StringPiece* result) {
-  int len;
-  if (!ReadInt(&len))
-    return false;
-  const char* read_from = GetReadPointerAndAdvance(len);
-  if (!read_from)
-    return false;
-
-  *result = StringPiece(read_from, len);
-  return true;
-}
-
-bool PickleIterator::ReadString16(string16* result) {
-  int len;
-  if (!ReadInt(&len))
-    return false;
-  const char* read_from = GetReadPointerAndAdvance(len, sizeof(char16));
-  if (!read_from)
-    return false;
-
-  result->assign(reinterpret_cast<const char16*>(read_from), len);
-  return true;
-}
-
-bool PickleIterator::ReadStringPiece16(StringPiece16* result) {
-  int len;
-  if (!ReadInt(&len))
-    return false;
-  const char* read_from = GetReadPointerAndAdvance(len, sizeof(char16));
-  if (!read_from)
-    return false;
-
-  *result = StringPiece16(reinterpret_cast<const char16*>(read_from), len);
-  return true;
-}
-
-bool PickleIterator::ReadData(const char** data, int* length) {
-  *length = 0;
-  *data = 0;
-
-  if (!ReadInt(length))
-    return false;
-
-  return ReadBytes(data, *length);
-}
-
-bool PickleIterator::ReadBytes(const char** data, int length) {
-  const char* read_from = GetReadPointerAndAdvance(length);
-  if (!read_from)
-    return false;
-  *data = read_from;
-  return true;
-}
-
-// Payload is uint32 aligned.
-
-Pickle::Pickle()
-    : header_(NULL),
-      header_size_(sizeof(Header)),
-      capacity_after_header_(0),
-      write_offset_(0) {
-  Resize(kPayloadUnit);
-  header_->payload_size = 0;
-}
-
-Pickle::Pickle(int header_size)
-    : header_(NULL),
-      header_size_(AlignInt(header_size, sizeof(uint32))),
-      capacity_after_header_(0),
-      write_offset_(0) {
-  DCHECK_GE(static_cast<size_t>(header_size), sizeof(Header));
-  DCHECK_LE(header_size, kPayloadUnit);
-  Resize(kPayloadUnit);
-  header_->payload_size = 0;
-}
-
-Pickle::Pickle(const char* data, int data_len)
-    : header_(reinterpret_cast<Header*>(const_cast<char*>(data))),
-      header_size_(0),
-      capacity_after_header_(kCapacityReadOnly),
-      write_offset_(0) {
-  if (data_len >= static_cast<int>(sizeof(Header)))
-    header_size_ = data_len - header_->payload_size;
-
-  if (header_size_ > static_cast<unsigned int>(data_len))
-    header_size_ = 0;
-
-  if (header_size_ != AlignInt(header_size_, sizeof(uint32)))
-    header_size_ = 0;
-
-  // If there is anything wrong with the data, we're not going to use it.
-  if (!header_size_)
-    header_ = NULL;
-}
-
-Pickle::Pickle(const Pickle& other)
-    : header_(NULL),
-      header_size_(other.header_size_),
-      capacity_after_header_(0),
-      write_offset_(other.write_offset_) {
-  size_t payload_size = header_size_ + other.header_->payload_size;
-  Resize(payload_size);
-  memcpy(header_, other.header_, payload_size);
-}
-
-Pickle::~Pickle() {
-  if (capacity_after_header_ != kCapacityReadOnly)
-    free(header_);
-}
-
-Pickle& Pickle::operator=(const Pickle& other) {
-  if (this == &other) {
-    NOTREACHED();
-    return *this;
-  }
-  if (capacity_after_header_ == kCapacityReadOnly) {
-    header_ = NULL;
-    capacity_after_header_ = 0;
-  }
-  if (header_size_ != other.header_size_) {
-    free(header_);
-    header_ = NULL;
-    header_size_ = other.header_size_;
-  }
-  Resize(other.header_->payload_size);
-  memcpy(header_, other.header_,
-         other.header_size_ + other.header_->payload_size);
-  write_offset_ = other.write_offset_;
-  return *this;
-}
-
-bool Pickle::WriteString(const StringPiece& value) {
-  if (!WriteInt(static_cast<int>(value.size())))
-    return false;
-
-  return WriteBytes(value.data(), static_cast<int>(value.size()));
-}
-
-bool Pickle::WriteString16(const StringPiece16& value) {
-  if (!WriteInt(static_cast<int>(value.size())))
-    return false;
-
-  return WriteBytes(value.data(),
-                    static_cast<int>(value.size()) * sizeof(char16));
-}
-
-bool Pickle::WriteData(const char* data, int length) {
-  return length >= 0 && WriteInt(length) && WriteBytes(data, length);
-}
-
-bool Pickle::WriteBytes(const void* data, int length) {
-  WriteBytesCommon(data, length);
-  return true;
-}
-
-void Pickle::Reserve(size_t length) {
-  size_t data_len = AlignInt(length, sizeof(uint32));
-  DCHECK_GE(data_len, length);
-#ifdef ARCH_CPU_64_BITS
-  DCHECK_LE(data_len, kuint32max);
-#endif
-  DCHECK_LE(write_offset_, kuint32max - data_len);
-  size_t new_size = write_offset_ + data_len;
-  if (new_size > capacity_after_header_)
-    Resize(capacity_after_header_ * 2 + new_size);
-}
-
-void Pickle::Resize(size_t new_capacity) {
-  CHECK_NE(capacity_after_header_, kCapacityReadOnly);
-  capacity_after_header_ = AlignInt(new_capacity, kPayloadUnit);
-  void* p = realloc(header_, GetTotalAllocatedSize());
-  CHECK(p);
-  header_ = reinterpret_cast<Header*>(p);
-}
-
-size_t Pickle::GetTotalAllocatedSize() const {
-  if (capacity_after_header_ == kCapacityReadOnly)
-    return 0;
-  return header_size_ + capacity_after_header_;
-}
-
-// static
-const char* Pickle::FindNext(size_t header_size,
-                             const char* start,
-                             const char* end) {
-  DCHECK_EQ(header_size, AlignInt(header_size, sizeof(uint32)));
-  DCHECK_LE(header_size, static_cast<size_t>(kPayloadUnit));
-
-  size_t length = static_cast<size_t>(end - start);
-  if (length < sizeof(Header))
-    return NULL;
-
-  const Header* hdr = reinterpret_cast<const Header*>(start);
-  if (length < header_size || length - header_size < hdr->payload_size)
-    return NULL;
-  return start + header_size + hdr->payload_size;
-}
-
-template <size_t length> void Pickle::WriteBytesStatic(const void* data) {
-  WriteBytesCommon(data, length);
-}
-
-template void Pickle::WriteBytesStatic<2>(const void* data);
-template void Pickle::WriteBytesStatic<4>(const void* data);
-template void Pickle::WriteBytesStatic<8>(const void* data);
-
-inline void Pickle::WriteBytesCommon(const void* data, size_t length) {
-  DCHECK_NE(kCapacityReadOnly, capacity_after_header_)
-      << "oops: pickle is readonly";
-  MSAN_CHECK_MEM_IS_INITIALIZED(data, length);
-  size_t data_len = AlignInt(length, sizeof(uint32));
-  DCHECK_GE(data_len, length);
-#ifdef ARCH_CPU_64_BITS
-  DCHECK_LE(data_len, kuint32max);
-#endif
-  DCHECK_LE(write_offset_, kuint32max - data_len);
-  size_t new_size = write_offset_ + data_len;
-  if (new_size > capacity_after_header_) {
-    Resize(std::max(capacity_after_header_ * 2, new_size));
-  }
-
-  char* write = mutable_payload() + write_offset_;
-  memcpy(write, data, length);
-  memset(write + length, 0, data_len - length);
-  header_->payload_size = static_cast<uint32>(new_size);
-  write_offset_ = new_size;
-}
-
-}  // namespace base