# editorconfig.org

# top-most EditorConfig file
root = true

# Default settings:
# A newline ending every file
# Use 4 spaces as indentation
[*]
insert_final_newline = true
indent_style = space
indent_size = 4
trim_trailing_whitespace = true

# Specify UTF-8 without byte-order mark
[*.{csproj,locproj,nativeproj,proj,resx,slnx,vbproj}]
charset = utf-8

# Generated code
[*{_AssemblyInfo.cs,.notsupported.cs,AsmOffsets.cs}]
generated_code = true

# C# files
[*.cs]
# New line preferences
csharp_new_line_before_open_brace = all
csharp_new_line_before_else = true
csharp_new_line_before_catch = true
csharp_new_line_before_finally = true
csharp_new_line_before_members_in_object_initializers = true
csharp_new_line_before_members_in_anonymous_types = true
csharp_new_line_between_query_expression_clauses = true

# Indentation preferences
csharp_indent_block_contents = true
csharp_indent_braces = false
csharp_indent_case_contents = true
csharp_indent_case_contents_when_block = false
csharp_indent_switch_labels = true
csharp_indent_labels = one_less_than_current

# Modifier preferences
csharp_preferred_modifier_order = public,private,protected,internal,file,static,extern,new,virtual,abstract,sealed,override,readonly,unsafe,required,volatile,async:warning

# avoid this. unless absolutely necessary
dotnet_style_qualification_for_field = false:warning
dotnet_style_qualification_for_property = false:warning
dotnet_style_qualification_for_method = false:warning
dotnet_style_qualification_for_event = false:warning

# Types: use keywords instead of BCL types, and permit var only when the type is clear
csharp_style_var_for_built_in_types = false:warning

# ▼▼▼ [MOD] 型が明らかな場合は var を使ってよい ▼▼▼
# csharp_style_var_when_type_is_apparent = false:none
csharp_style_var_when_type_is_apparent = true:warning
# ▲▲▲ [MOD] 型が明らかな場合は var を使ってよい ▲▲▲

csharp_style_var_elsewhere = false:warning
dotnet_style_predefined_type_for_locals_parameters_members = true:warning
dotnet_style_predefined_type_for_member_access = true:warning

# name all constant fields using PascalCase
dotnet_naming_rule.constant_fields_should_be_pascal_case.severity = warning
dotnet_naming_rule.constant_fields_should_be_pascal_case.symbols  = constant_fields
dotnet_naming_rule.constant_fields_should_be_pascal_case.style    = pascal_case_style
dotnet_naming_symbols.constant_fields.applicable_kinds   = field
dotnet_naming_symbols.constant_fields.required_modifiers = const
dotnet_naming_style.pascal_case_style.capitalization = pascal_case

# static fields should have s_ prefix
dotnet_naming_rule.static_fields_should_have_prefix.severity = warning
dotnet_naming_rule.static_fields_should_have_prefix.symbols  = static_fields
dotnet_naming_rule.static_fields_should_have_prefix.style    = static_prefix_style
dotnet_naming_symbols.static_fields.applicable_kinds   = field
dotnet_naming_symbols.static_fields.required_modifiers = static
dotnet_naming_symbols.static_fields.applicable_accessibilities = private, internal, private_protected
dotnet_naming_style.static_prefix_style.required_prefix = s_
dotnet_naming_style.static_prefix_style.capitalization = camel_case

# internal and private fields should be _camelCase
dotnet_naming_rule.camel_case_for_private_internal_fields.severity = warning
dotnet_naming_rule.camel_case_for_private_internal_fields.symbols  = private_internal_fields
dotnet_naming_rule.camel_case_for_private_internal_fields.style    = camel_case_underscore_style
dotnet_naming_symbols.private_internal_fields.applicable_kinds = field
dotnet_naming_symbols.private_internal_fields.applicable_accessibilities = private, internal
dotnet_naming_style.camel_case_underscore_style.required_prefix = _
dotnet_naming_style.camel_case_underscore_style.capitalization = camel_case

# ▼▼▼ [ADD] インターフェースは I + PascalCase とする ▼▼▼
dotnet_naming_rule.interfaces_should_have_i_prefix.severity = warning
dotnet_naming_rule.interfaces_should_have_i_prefix.symbols = interfaces
dotnet_naming_rule.interfaces_should_have_i_prefix.style = interface_style
dotnet_naming_symbols.interfaces.applicable_kinds = interface
dotnet_naming_style.interface_style.required_prefix = I
dotnet_naming_style.interface_style.capitalization = pascal_case
# ▲▲▲ [ADD] インターフェースは I + PascalCase とする ▲▲▲

# ▼▼▼ [ADD] メソッド・型・プロパティ・イベントは PascalCase とする ▼▼▼
dotnet_naming_rule.methods_should_be_pascal_case.severity = warning
dotnet_naming_rule.methods_should_be_pascal_case.symbols = methods
dotnet_naming_rule.methods_should_be_pascal_case.style = pascal_case_style
dotnet_naming_symbols.methods.applicable_kinds = method
dotnet_naming_rule.types_should_be_pascal_case.severity = warning
dotnet_naming_rule.types_should_be_pascal_case.symbols = types
dotnet_naming_rule.types_should_be_pascal_case.style = pascal_case_style
dotnet_naming_symbols.types.applicable_kinds = class, struct, enum, delegate
dotnet_naming_rule.properties_should_be_pascal_case.severity = warning
dotnet_naming_rule.properties_should_be_pascal_case.symbols = properties
dotnet_naming_rule.properties_should_be_pascal_case.style = pascal_case_style
dotnet_naming_symbols.properties.applicable_kinds = property
dotnet_naming_rule.events_should_be_pascal_case.severity = warning
dotnet_naming_rule.events_should_be_pascal_case.symbols = events
dotnet_naming_rule.events_should_be_pascal_case.style = pascal_case_style
dotnet_naming_symbols.events.applicable_kinds = event
# ▲▲▲ [ADD] メソッド・型・プロパティ・イベントは PascalCase とする ▲▲▲

# ▼▼▼ [ADD] パラメータ・ローカル変数は camelCase とする ▼▼▼
dotnet_naming_rule.parameters_should_be_camel_case.severity = warning
dotnet_naming_rule.parameters_should_be_camel_case.symbols = parameters
dotnet_naming_rule.parameters_should_be_camel_case.style = camel_case_style
dotnet_naming_symbols.parameters.applicable_kinds = parameter
dotnet_naming_rule.locals_should_be_camel_case.severity = warning
dotnet_naming_rule.locals_should_be_camel_case.symbols = locals
dotnet_naming_rule.locals_should_be_camel_case.style = camel_case_style
dotnet_naming_symbols.locals.applicable_kinds = local
dotnet_naming_style.camel_case_style.capitalization = camel_case
# ▲▲▲ [ADD] パラメータ・ローカル変数は camelCase とする ▲▲▲

# Code style defaults
csharp_using_directive_placement = outside_namespace:warning

# ▼▼▼ [ADD] namespace はファイルスコープ形式とする ▼▼▼
csharp_style_namespace_declarations = file_scoped:warning
# ▲▲▲ [ADD] namespace はファイルスコープ形式とする ▲▲▲

dotnet_sort_system_directives_first = true
csharp_prefer_braces = true:silent
csharp_preserve_single_line_blocks = true:none
csharp_preserve_single_line_statements = false:none
csharp_prefer_static_local_function = true:warning
csharp_prefer_simple_using_statement = false:none
csharp_style_prefer_switch_expression = true:warning
dotnet_style_readonly_field = true:warning

# Expression-level preferences
dotnet_style_object_initializer = true:warning
dotnet_style_collection_initializer = true:warning
dotnet_style_prefer_collection_expression = when_types_exactly_match
dotnet_style_explicit_tuple_names = true:warning
dotnet_style_coalesce_expression = true:warning
dotnet_style_null_propagation = true
dotnet_style_prefer_is_null_check_over_reference_equality_method = true:warning
dotnet_style_prefer_inferred_tuple_names = true:warning
dotnet_style_prefer_inferred_anonymous_type_member_names = true:warning
dotnet_style_prefer_auto_properties = true:warning
dotnet_style_prefer_conditional_expression_over_assignment = true:silent
dotnet_style_prefer_conditional_expression_over_return = true:silent
csharp_prefer_simple_default_expression = true:warning

# Expression-bodied members
csharp_style_expression_bodied_methods = true:silent
csharp_style_expression_bodied_constructors = true:silent
csharp_style_expression_bodied_operators = true:silent
csharp_style_expression_bodied_properties = true:silent
csharp_style_expression_bodied_indexers = true:silent
csharp_style_expression_bodied_accessors = true:silent
csharp_style_expression_bodied_lambdas = true:silent
csharp_style_expression_bodied_local_functions = true:silent

# Pattern matching
csharp_style_pattern_matching_over_is_with_cast_check = true:warning
csharp_style_pattern_matching_over_as_with_null_check = true:warning
csharp_style_inlined_variable_declaration = true:warning

# Null checking preferences
csharp_style_throw_expression = true:warning
csharp_style_conditional_delegate_call = true:warning

# Other features
csharp_style_prefer_index_operator = false:none
csharp_style_prefer_range_operator = false:none
csharp_style_pattern_local_over_anonymous_function = false:none

# ▼▼▼ [ADD] ファイルヘッダーの要求は不要 ▼▼▼
dotnet_diagnostic.IDE0073.severity = none
# ▲▲▲ [ADD] ファイルヘッダーの要求は不要 ▲▲▲

# ▼▼▼ [ADD] 不要な using は警告表示 ▼▼▼
dotnet_diagnostic.IDE0005.severity = warning
# ▲▲▲ [ADD] 不要な using は警告表示 ▲▲▲

# ▼▼▼ [ADD] public な変数や関数には XML コメントが必要 ▼▼▼
# .csproj に <GenerateDocumentationFile>true</GenerateDocumentationFile> を追加すると ON になる
dotnet_diagnostic.CS1591.severity = warning
# ▲▲▲ [ADD] public な変数や関数には XML コメントが必要 ▲▲▲

# IDE0071: Simplify interpolation - keep as silent hint since ReadOnlySpan<char>.ToString() is required for netstandard targets
dotnet_diagnostic.IDE0071.severity = silent

# IDE0031: Use null propagation - keep as silent hint to avoid build errors with TreatWarningsAsErrors
dotnet_diagnostic.IDE0031.severity = silent

# Space preferences
csharp_space_after_cast = false
csharp_space_after_colon_in_inheritance_clause = true
csharp_space_after_comma = true
csharp_space_after_dot = false
csharp_space_after_keywords_in_control_flow_statements = true
csharp_space_after_semicolon_in_for_statement = true
csharp_space_around_binary_operators = before_and_after
csharp_space_around_declaration_statements = false
csharp_space_before_colon_in_inheritance_clause = true
csharp_space_before_comma = false
csharp_space_before_dot = false
csharp_space_before_open_square_brackets = false
csharp_space_before_semicolon_in_for_statement = false
csharp_space_between_empty_square_brackets = false
csharp_space_between_method_call_empty_parameter_list_parentheses = false
csharp_space_between_method_call_name_and_opening_parenthesis = false
csharp_space_between_method_call_parameter_list_parentheses = false
csharp_space_between_method_declaration_empty_parameter_list_parentheses = false
csharp_space_between_method_declaration_name_and_open_parenthesis = false
csharp_space_between_method_declaration_parameter_list_parentheses = false
csharp_space_between_parentheses = false
csharp_space_between_square_brackets = false

# ▼▼▼ [DEL] ファイルヘッダーは不要 ▼▼▼
# # License header
# file_header_template = Licensed to the .NET Foundation under one or more agreements.\nThe .NET Foundation licenses this file to you under the MIT license.
# ▲▲▲ [DEL] ファイルヘッダーは不要 ▲▲▲

# xUnit1051: recommends TestContext.Current.CancellationToken (v3 pattern) which
# is not yet adopted; suppress until a full v3 migration is performed.
dotnet_diagnostic.xUnit1051.severity = none

[src/libraries/System.Net.Http/src/System/Net/Http/{SocketsHttpHandler/Http3RequestStream.cs,BrowserHttpHandler/BrowserHttpHandler.cs}]
# disable CA2025, the analyzer throws a NullReferenceException when processing this file: https://github.com/dotnet/roslyn-analyzers/issues/7652
dotnet_diagnostic.CA2025.severity = none

# C++ Files
[*.{cpp,h,in}]
curly_bracket_next_line = true
indent_brace_style = Allman

# Xml project files
[*.{csproj,vbproj,vcxproj,vcxproj.filters,proj,nativeproj,locproj}]
indent_size = 2

# Xml build files
[*.builds]
indent_size = 2

# Xml files
[*.{resx,ruleset,slnx,stylecop,xml}]
indent_size = 2

# Xml resource files
[*.resx]
# match Visual Studio behavior
insert_final_newline = false
trim_trailing_whitespace = false

# Xml config files
[*.{props,targets,config,nuspec}]
indent_size = 2

# Data serialization
[*.{json,yaml,yml}]
indent_size = 2

# Shell scripts
[*.sh]
end_of_line = lf
[*.{cmd,bat}]
end_of_line = crlf