# A .clang-format file to adhere to the K&R style
# - CLANG-FORMAT STYLE OPTIONS: https://clang.llvm.org/docs/ClangFormatStyleOptions.html
# 
# Author: Munseong Jeong <ryan.m.jeong@hotmail.com>

BasedOnStyle: LLVM
IndentWidth: 4
UseTab: Never

# === Struct/Union/Class member indentation ===
# These options control indentation of struct members to ensure consistent
# 4-space indentation for all struct/union/class members
IndentAccessModifiers: false
AccessModifierOffset: 0
NamespaceIndentation: All

BreakBeforeBraces: Attach
BraceWrapping:
  AfterControlStatement: false
  AfterFunction: false
  AfterClass: false
  AfterStruct: false
  # AfterStruct: false keeps struct opening brace on same line (K&R style)
  # Struct members will still be indented with IndentWidth: 4
  AfterUnion: false
  AfterNamespace: false
  AfterEnum: false
  BeforeCatch: false
  BeforeElse: false
  IndentBraces: false
  # IndentBraces: false ensures braces themselves are not indented,
  # but content inside braces respects IndentWidth setting

AllowShortIfStatementsOnASingleLine: false
AllowShortLoopsOnASingleLine: false
AllowShortBlocksOnASingleLine: Always
# AllowShortFunctionsOnASingleLine: None enforces function bodies
# to always be on separate lines, following K&R convention
AllowShortFunctionsOnASingleLine: None

IndentCaseLabels: true
SpaceAfterCStyleCast: false
ColumnLimit: 150
MaxEmptyLinesToKeep: 1
Cpp11BracedListStyle: false
AlignTrailingComments: true
ReflowComments: true

SpacesBeforeTrailingComments: 2
IncludeBlocks: Regroup
IncludeCategories:
  - Regex:           '<[[:alnum:].]+>'
    Priority:        1
    # System headers (angle brackets) have highest priority
  - Regex:           '.*'
    Priority:        2
    # Project headers (quotes) have lower priority
SortIncludes: CaseSensitive
AlignEscapedNewlines: Left