crashpad/util/misc/lexing.h
Mark Mentovai 6278690abe Update copyright boilerplate, 2022 edition (Crashpad)
sed -i '' -E -e 's/Copyright (.+) The Crashpad Authors\. All rights reserved\.$/Copyright \1 The Crashpad Authors/' $(git grep -El 'Copyright (.+) The Crashpad Authors\. All rights reserved\.$')

Bug: chromium:1098010
Change-Id: I8d6138469ddbe3d281a5d83f64cf918ec2491611
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3878262
Reviewed-by: Joshua Peraza <jperaza@chromium.org>
Commit-Queue: Mark Mentovai <mark@chromium.org>
2022-09-06 23:54:07 +00:00

45 lines
1.8 KiB
C++

// Copyright 2017 The Crashpad 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
//
// http://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.
#ifndef CRASHPAD_UTIL_MISC_LEXING_H_
#define CRASHPAD_UTIL_MISC_LEXING_H_
namespace crashpad {
//! \brief Match a pattern at the start of a char string.
//!
//! \param[in,out] input A pointer to the char string to match against. \a input
//! is advanced past the matched pattern if it is found.
//! \param[in] pattern The pattern to match at the start of \a input.
//! \return `true` if the pattern is matched exactly and \a input is advanced,
//! otherwise `false`.
bool AdvancePastPrefix(const char** input, const char* pattern);
//! \brief Convert a prefix of a char string to a numeric value.
//!
//! Valid values are positive or negative decimal numbers, matching the regular
//! expression "-?\d+", and within the limits of T.
//!
//! \param[in,out] input A pointer to the char string to match against. \a input
//! is advanced past the number if one is found.
//! \param[out] value The converted number, if one is found.
//! \return `true` if a number is found at the start of \a input and \a input is
//! advanced, otherwise `false`.
template <typename T>
bool AdvancePastNumber(const char** input, T* value);
} // namespace crashpad
#endif // CRASHPAD_UTIL_MISC_LEXING_H