Abseil Common Libraries (C++) (grcp 依赖)
https://abseil.io/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
58 lines
2.2 KiB
58 lines
2.2 KiB
// |
|
// Copyright 2019 The Abseil Authors. |
|
// |
|
// Licensed under the Apache License, Version 2.0 (the "License"); |
|
// you may not use this file except in compliance with the License. |
|
// You may obtain a copy of the License at |
|
// |
|
// https://www.apache.org/licenses/LICENSE-2.0 |
|
// |
|
// Unless required by applicable law or agreed to in writing, software |
|
// distributed under the License is distributed on an "AS IS" BASIS, |
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
|
// See the License for the specific language governing permissions and |
|
// limitations under the License. |
|
// |
|
// ----------------------------------------------------------------------------- |
|
// File: parse.h |
|
// ----------------------------------------------------------------------------- |
|
// |
|
// This file defines the main parsing function for Abseil flags: |
|
// `absl::ParseCommandLine()`. |
|
|
|
#ifndef ABSL_FLAGS_PARSE_H_ |
|
#define ABSL_FLAGS_PARSE_H_ |
|
|
|
#include <string> |
|
#include <vector> |
|
|
|
#include "absl/flags/internal/parse.h" |
|
|
|
namespace absl { |
|
|
|
// ParseCommandLine() |
|
// |
|
// Parses the set of command-line arguments passed in the `argc` (argument |
|
// count) and `argv[]` (argument vector) parameters from `main()`, assigning |
|
// values to any defined Abseil flags. (Any arguments passed after the |
|
// flag-terminating delimiter (`--`) are treated as positional arguments and |
|
// ignored.) |
|
// |
|
// Any command-line flags (and arguments to those flags) are parsed into Abseil |
|
// Flag values, if those flags are defined. Any undefined flags will either |
|
// return an error, or be ignored if that flag is designated using `undefok` to |
|
// indicate "undefined is OK." |
|
// |
|
// Any command-line positional arguments not part of any command-line flag (or |
|
// arguments to a flag) are returned in a vector, with the program invocation |
|
// name at position 0 of that vector. (Note that this includes positional |
|
// arguments after the flag-terminating delimiter `--`.) |
|
// |
|
// After all flags and flag arguments are parsed, this function looks for any |
|
// built-in usage flags (e.g. `--help`), and if any were specified, it reports |
|
// help messages and then exits the program. |
|
std::vector<char*> ParseCommandLine(int argc, char* argv[]); |
|
|
|
} // namespace absl |
|
|
|
#endif // ABSL_FLAGS_PARSE_H_
|
|
|