Add .clang-format file

Author: TimOliver

.clang-format

@@ -0,0 +1,87 @@
+---
+# iOS Objective-C Style Guide
+# Based on Apple's coding conventions and common iOS practices
+
+BasedOnStyle: LLVM
+
+# Language specific settings
+Language: ObjC
+
+# Indentation
+IndentWidth: 4
+TabWidth: 4
+UseTab: Never
+ContinuationIndentWidth: 4
+
+# Line length
+ColumnLimit: 0
+
+# Pointer and reference alignment
+PointerAlignment: Right
+ReferenceAlignment: Right
+
+# Braces
+BreakBeforeBraces: Attach
+AllowShortBlocksOnASingleLine: Empty
+AllowShortFunctionsOnASingleLine: Empty
+AllowShortIfStatementsOnASingleLine: WithoutElse
+AllowShortLoopsOnASingleLine: false
+
+# Method and function formatting
+AlignAfterOpenBracket: Align
+AllowAllParametersOfDeclarationOnNextLine: false
+BinPackParameters: false
+BinPackArguments: false
+
+# Objective-C specific
+ObjCBinPackProtocolList: Never
+ObjCBlockIndentWidth: 4
+ObjCBreakBeforeNestedBlockParam: true
+ObjCSpaceAfterProperty: true
+ObjCSpaceBeforeProtocolList: true
+
+# Spacing
+SpaceBeforeParens: ControlStatements
+SpaceBeforeAssignmentOperators: true
+SpaceAfterCStyleCast: false
+SpacesInContainerLiterals: false
+SpacesInParentheses: false
+SpacesInSquareBrackets: false
+
+# Keep things together
+KeepEmptyLinesAtTheStartOfBlocks: false
+MaxEmptyLinesToKeep: 1
+
+# Align consecutive assignments and declarations
+AlignConsecutiveAssignments: false
+AlignConsecutiveDeclarations: false
+
+# Comments
+ReflowComments: true
+SpacesBeforeTrailingComments: 2
+
+# Line breaks
+AllowShortCaseLabelsOnASingleLine: false
+AlwaysBreakAfterReturnType: None
+AlwaysBreakBeforeMultilineStrings: false
+BreakBeforeBinaryOperators: None
+BreakBeforeTernaryOperators: true
+
+# Import/Include sorting
+SortIncludes: CaseInsensitive
+IncludeBlocks: Regroup
+IncludeCategories:
+  - Regex: '^<.*\.h>'
+    Priority: 1
+  - Regex: '^<.*>'
+    Priority: 2
+  - Regex: '^"'
+    Priority: 3
+
+# Penalty weights (fine-tuning line breaks)
+PenaltyBreakBeforeFirstCallParameter: 19
+PenaltyBreakComment: 300
+PenaltyBreakFirstLessLess: 120
+PenaltyBreakString: 1000
+PenaltyExcessCharacter: 1000000
+PenaltyReturnTypeOnItsOwnLine: 200