1 /*
2  * Copyright (c) 2021 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  * http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef USB_DESCRIPTOR_PARSER_H
17 #define USB_DESCRIPTOR_PARSER_H
18 #include "usb_device.h"
19 #include "usb_interface.h"
20 namespace OHOS {
21 namespace USB {
22 class UsbDescriptorParser {
23 public:
24     UsbDescriptorParser();
25     ~UsbDescriptorParser();
26 
27     static int32_t ParseDeviceDescriptor(const uint8_t *buffer, uint32_t length, UsbDevice &dev);
28     static int32_t ParseConfigDescriptors(std::vector<uint8_t> &descriptor, uint32_t offset,
29         std::vector<USBConfig> &configs);
30     static int32_t ParseConfigDescriptor(const uint8_t *buffer, uint32_t length, uint32_t &cursor, USBConfig &config);
31     static int32_t ParseInterfaceDescriptor(const uint8_t *buffer, uint32_t length, uint32_t &cursor,
32         UsbInterface &interface);
33     static int32_t ParseEndpointDescriptor(const uint8_t *buffer, uint32_t length, uint32_t &cursor, USBEndpoint &ep);
34 };
35 } // namespace USB
36 } // namespace OHOS
37 #endif
38