usage_config.cc | Explore in Territory

//
//  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.

#include "absl/flags/usage_config.h"

#include <functional>
#include <iostream>
#include <string>

#include "absl/base/attributes.h"
#include "absl/base/config.h"
#include "absl/base/const_init.h"
#include "absl/base/thread_annotations.h"
#include "absl/flags/internal/path_util.h"
#include "absl/flags/internal/program_name.h"
#include "absl/strings/match.h"
#include "absl/strings/string_view.h"
#include "absl/strings/strip.h"
#include "absl/synchronization/mutex.h"

extern "C" {

// Additional report of fatal usage error message before we std::exit. Error is
// fatal if is_fatal argument to ReportUsageError is true.
ABSL_ATTRIBUTE_WEAK void ABSL_INTERNAL_C_SYMBOL(
    AbslInternalReportFatalUsageError)(absl::string_view) { … }

}  // extern "C"

namespace absl {
ABSL_NAMESPACE_BEGIN
namespace flags_internal {

namespace {

// --------------------------------------------------------------------
// Returns true if flags defined in the filename should be reported with
// -helpshort flag.

bool ContainsHelpshortFlags(absl::string_view filename) { … }

// --------------------------------------------------------------------
// Returns true if flags defined in the filename should be reported with
// -helppackage flag.

bool ContainsHelppackageFlags(absl::string_view filename) { … }

// --------------------------------------------------------------------
// Generates program version information into supplied output.

std::string VersionString() { … }

// --------------------------------------------------------------------
// Normalizes the filename specific to the build system/filesystem used.

std::string NormalizeFilename(absl::string_view filename) { … }

// --------------------------------------------------------------------

ABSL_CONST_INIT absl::Mutex custom_usage_config_guard(absl::kConstInit);
ABSL_CONST_INIT FlagsUsageConfig* custom_usage_config
    ABSL_GUARDED_BY(custom_usage_config_guard) = …;

}  // namespace

FlagsUsageConfig GetUsageConfig() { … }

void ReportUsageError(absl::string_view msg, bool is_fatal) { … }

}  // namespace flags_internal

void SetFlagsUsageConfig(FlagsUsageConfig usage_config) { … }

ABSL_NAMESPACE_END
}  // namespace absl
chromium/third_party/abseil-cpp/absl/flags/usage_config.cc
