.clang-format

#
# Copyright (C) 2020 The Android Open Source Project
#
# 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.
#

# See https://clang.llvm.org/docs/ClangFormatStyleOptions.html for the
# various options that can be configured and for the definitions of each
# of the below options.

BasedOnStyle: Google
# Enforce grouping and sorting of #include directives into distinct blocks
# separated by a blank line, evaluated in the order listed below:
IncludeBlocks: Regroup
IncludeCategories:
  # 1. Project headers (cuttlefish/, allocd/, and external_proto/)
  - Regex:           '^[<"](cuttlefish|allocd|external_proto)/'
    Priority:        4
  # 2. Plain C external third-party library headers inside angle brackets
  - Regex:           '^<(zip|zlib|png|lz4|archive|tinyxml2|pcre2)\.h>'
    Priority:        3
  # 3. C/POSIX system headers (any other angle-bracket header ending in .h)
  - Regex:           '^<.*\.h>'
    Priority:        1
  # 4. C++ standard library headers (extensionless angle-bracket headers)
  - Regex:           '^<[a-z_]*>'
    Priority:        2
  # 5. External third-party library headers inside double quotes
  - Regex:           '.*'
    Priority:        3