CSharp 代码规范¶

# editorconfig.org

# top-most EditorConfig file
root = true

# Default settings:
# A newline ending every file
# Use 4 spaces as indentation
[*]
charset = utf-8
insert_final_newline = true
indent_style = space
indent_size = 4
trim_trailing_whitespace = true

# Generated code
[*{.g.cs,.link.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 = true
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:suggestion

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

# Types: use keywords instead of BCL types, and permit var only when the type is clear
csharp_style_var_for_built_in_types = false:suggestion
csharp_style_var_when_type_is_apparent = false:none
csharp_style_var_elsewhere = false:suggestion
dotnet_style_predefined_type_for_locals_parameters_members = true:suggestion
dotnet_style_predefined_type_for_member_access = true:suggestion

# name all constant fields using PascalCase
dotnet_naming_rule.constant_fields_should_be_pascal_case.severity = suggestion
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 = suggestion
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, protected, internal, protected_internal, private_protected
dotnet_naming_style.static_prefix_style.required_prefix = s_
dotnet_naming_style.static_prefix_style.capitalization = camel_case

# non-public fields should be _camelCase
dotnet_naming_rule.camel_case_for_nonpublic_fields.severity = suggestion
dotnet_naming_rule.camel_case_for_nonpublic_fields.symbols  = nonpublic_fields
dotnet_naming_rule.camel_case_for_nonpublic_fields.style    = camel_case_underscore_style
dotnet_naming_symbols.nonpublic_fields.applicable_kinds = field
dotnet_naming_symbols.nonpublic_fields.applicable_accessibilities = private, protected, internal, protected_internal, private_protected
dotnet_naming_style.camel_case_underscore_style.required_prefix = _
dotnet_naming_style.camel_case_underscore_style.capitalization = camel_case

# Code style defaults
csharp_using_directive_placement = outside_namespace:suggestion
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:suggestion
csharp_prefer_simple_using_statement = false:none
csharp_style_prefer_switch_expression = true:suggestion
dotnet_style_readonly_field = true:suggestion

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

# 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:suggestion
csharp_style_pattern_matching_over_as_with_null_check = true:suggestion
csharp_style_inlined_variable_declaration = true:suggestion

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

# 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

# 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 = do_not_ignore
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