Bluetooth: remove legacy backend

device/bluetooth/bluetooth_service_record_chromeos.cc

-// Copyright (c) 2013 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 "device/bluetooth/bluetooth_service_record_chromeos.h"
-
-#include <bluetooth/bluetooth.h>
-
-#include <string>
-#include <vector>
-
-#include "base/logging.h"
-#include "base/string_number_conversions.h"
-#include "device/bluetooth/bluetooth_utils.h"
-#include "third_party/libxml/chromium/libxml_utils.h"
-
-namespace {
-
-static const char* kAttributeNode = "attribute";
-static const char* kBooleanNode = "boolean";
-static const char* kSequenceNode = "sequence";
-static const char* kTextNode = "text";
-static const char* kUint8Node = "uint8";
-static const char* kUuidNode = "uuid";
-
-static const char* kIdAttribute = "id";
-static const char* kValueAttribute = "value";
-static const char* kValueTrue = "true";
-
-static const char* kHidNormallyConnectableId = "0x020d";
-static const char* kHidReconnectInitiateId = "0x0205";
-static const char* kProtocolDescriptorListId = "0x0004";
-static const char* kSdpNameId = "0x0100";
-static const char* kServiceClassUuidId = "0x0001";
-
-static const char* kProtocolRfcommUuid = "0x0003";
-static const char* kProtocolHidpUuid = "0x0011";
-
-bool AdvanceToTag(XmlReader* reader, const char* node_type) {
-  do {
-    if (!reader->Read())
-      return false;
-  } while (reader->NodeName() != node_type);
-  return true;
-}
-
-bool ExtractTextValue(XmlReader* reader, std::string* value_out) {
-  if (AdvanceToTag(reader, kTextNode)) {
-    reader->NodeAttribute(kValueAttribute, value_out);
-    return true;
-  }
-  return false;
-}
-
-bool ExtractBooleanValue(XmlReader* reader, bool* value_out) {
-  if (AdvanceToTag(reader, kBooleanNode)) {
-    std::string str_value;
-    if (!reader->NodeAttribute(kValueAttribute, &str_value))
-      return false;
-    *value_out = str_value == kValueTrue;
-    return true;
-  }
-  return false;
-}
-
-}  // namespace
-
-namespace chromeos {
-
-BluetoothServiceRecordChromeOS::BluetoothServiceRecordChromeOS(
-    const std::string& address,
-    const std::string& xml_data) {
-  address_ = address;
-  supports_rfcomm_ = false;
-  supports_hid_ = false;
-
-  // For HID services the default is false when the attribute is not present.
-  hid_reconnect_initiate_ = false;
-  hid_normally_connectable_ = false;
-
-  XmlReader reader;
-  if (!reader.Load(xml_data))
-    return;
-
-  while (AdvanceToTag(&reader, kAttributeNode)) {
-    std::string id;
-    if (reader.NodeAttribute(kIdAttribute, &id)) {
-      if (id == kSdpNameId) {
-        ExtractTextValue(&reader, &name_);
-      } else if (id == kProtocolDescriptorListId) {
-        if (AdvanceToTag(&reader, kSequenceNode)) {
-          ExtractProtocolDescriptors(&reader);
-        }
-      } else if (id == kServiceClassUuidId) {
-        if (AdvanceToTag(&reader, kSequenceNode)) {
-          ExtractServiceClassUuid(&reader);
-        }
-      } else if (id == kHidNormallyConnectableId) {
-        ExtractBooleanValue(&reader, &hid_normally_connectable_);
-      } else if (id == kHidReconnectInitiateId) {
-        ExtractBooleanValue(&reader, &hid_reconnect_initiate_);
-      }
-    }
-    // We don't care about anything else here, so find the closing tag
-    AdvanceToTag(&reader, kAttributeNode);
-  }
-  if (!supports_hid_) {
-    // For non-HID services the default is true.
-    hid_normally_connectable_ = true;
-    hid_reconnect_initiate_ = true;
-  }
-}
-
-void BluetoothServiceRecordChromeOS::GetBluetoothAddress(
-    bdaddr_t* out_address) const {
-  std::string numbers_only;
-  for (int i = 0; i < 6; ++i)
-    numbers_only += address_.substr(i * 3, 2);
-
-  std::vector<uint8> address_bytes;
-  base::HexStringToBytes(numbers_only, &address_bytes);
-  for (int i = 0; i < 6; ++i)
-    out_address->b[5 - i] = address_bytes[i];
-}
-
-void BluetoothServiceRecordChromeOS::ExtractProtocolDescriptors(
-    XmlReader* reader) {
-  const int start_depth = reader->Depth();
-  // The ProtocolDescriptorList can have one or more sequence of sequence of
-  // stack, where each stack starts with an UUID and the remaining tags (if
-  // present) are protocol-specific.
-  do {
-    if (reader->NodeName() == kSequenceNode) {
-      if (AdvanceToTag(reader, kUuidNode)) {
-        std::string protocolUuid;
-        if (reader->NodeAttribute(kValueAttribute, &protocolUuid)) {
-          // Per protocol parameters parsing.
-          if (protocolUuid == kProtocolRfcommUuid) {
-            if (AdvanceToTag(reader, kUint8Node)) {
-              std::string channel_string;
-              if (reader->NodeAttribute(kValueAttribute, &channel_string)) {
-                std::vector<uint8> channel_bytes;
-                if (base::HexStringToBytes(channel_string.substr(2),
-                      &channel_bytes)) {
-                  if (channel_bytes.size() == 1) {
-                    rfcomm_channel_ = channel_bytes[0];
-                    supports_rfcomm_ = true;
-                  }
-                }
-              }
-            }
-          } else if (protocolUuid == kProtocolHidpUuid) {
-            supports_hid_ = true;
-          }
-        }
-      }
-    }
-  } while (AdvanceToTag(reader, kSequenceNode) &&
-           reader->Depth() != start_depth);
-}
-
-void BluetoothServiceRecordChromeOS::ExtractServiceClassUuid(
-    XmlReader* reader) {
-  const int start_depth = reader->Depth();
-  do {
-    if (reader->NodeName() == kSequenceNode) {
-      if (AdvanceToTag(reader, kUuidNode)) {
-        if (!reader->NodeAttribute(kValueAttribute, &uuid_))
-          uuid_.clear();
-      }
-    }
-  } while (AdvanceToTag(reader, kSequenceNode) &&
-           reader->Depth() != start_depth);
-
-  uuid_ = device::bluetooth_utils::CanonicalUuid(uuid_);
-}
-
-}  // namespace chromeos