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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include <stddef.h> | 5 #include <stddef.h> |
| 6 | 6 |
| 7 #include <iterator> | 7 #include <iterator> |
| 8 | 8 |
| 9 #include "base/logging.h" | 9 #include "base/logging.h" |
| 10 #include "device/usb/webusb_descriptors.h" | 10 #include "device/usb/webusb_descriptors.h" |
| 11 | 11 |
| 12 namespace device { | 12 namespace device { |
| 13 | 13 |
| 14 namespace { | 14 namespace { |
| 15 | 15 |
| 16 // These constants are defined by the Universal Serial Device 3.0 Specification | 16 // These constants are defined by the Universal Serial Device 3.0 Specification |
| 17 // Revision 1.0. | 17 // Revision 1.0. |
| 18 const uint8_t kBosDescriptorType = 0x0F; | 18 const uint8_t kBosDescriptorType = 0x0F; |
| 19 const uint8_t kDeviceCapabilityDescriptorType = 0x10; | 19 const uint8_t kDeviceCapabilityDescriptorType = 0x10; |
| 20 | 20 |
| 21 const uint8_t kPlatformDevCapabilityType = 0x05; | 21 const uint8_t kPlatformDevCapabilityType = 0x05; |
| 22 | 22 |
| 23 // These constants are defined by the WebUSB specification: | 23 // These constants are defined by the WebUSB specification: |
| 24 // http://reillyeon.github.io/webusb/ | 24 // http://wicg.github.io/webusb/ |
| 25 const uint8_t kWebUsbCapabilityUUID[16] = { | 25 const uint8_t kWebUsbCapabilityUUID[16] = { |
| 26 // Little-endian encoding of {3408b638-09a9-47a0-8bfd-a0768815b665}. | 26 // Little-endian encoding of {3408b638-09a9-47a0-8bfd-a0768815b665}. |
| 27 0x38, 0xB6, 0x08, 0x34, 0xA9, 0x09, 0xA0, 0x47, | 27 0x38, 0xB6, 0x08, 0x34, 0xA9, 0x09, 0xA0, 0x47, |
| 28 0x8B, 0xFD, 0xA0, 0x76, 0x88, 0x15, 0xB6, 0x65}; | 28 0x8B, 0xFD, 0xA0, 0x76, 0x88, 0x15, 0xB6, 0x65}; |
| 29 | 29 |
| 30 const uint8_t kDescriptorSetDescriptorType = 0x00; | 30 const uint8_t kDescriptorSetDescriptorType = 0x00; |
| 31 const uint8_t kConfigurationSubsetDescriptorType = 0x01; | 31 const uint8_t kConfigurationSubsetDescriptorType = 0x01; |
| 32 const uint8_t kFunctionSubsetDescriptorType = 0x02; | 32 const uint8_t kFunctionSubsetDescriptorType = 0x02; |
| 33 const uint8_t kUrlDescriptorType = 0x03; | 33 const uint8_t kUrlDescriptorType = 0x03; |
| 34 | 34 |
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| 295 } | 295 } |
| 296 uint8_t length = bytes[0]; | 296 uint8_t length = bytes[0]; |
| 297 if (length != bytes.size() || bytes[1] != kUrlDescriptorType) { | 297 if (length != bytes.size() || bytes[1] != kUrlDescriptorType) { |
| 298 return false; | 298 return false; |
| 299 } | 299 } |
| 300 std::vector<uint8_t>::const_iterator it = bytes.begin(); | 300 std::vector<uint8_t>::const_iterator it = bytes.begin(); |
| 301 return ParseUrl(output, &it, bytes.end()); | 301 return ParseUrl(output, &it, bytes.end()); |
| 302 } | 302 } |
| 303 | 303 |
| 304 } // namespace device | 304 } // namespace device |
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