first commit

.clang-format

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+# Generated from CLion C/C++ Code Style settings
+BasedOnStyle: LLVM
+AccessModifierOffset: -4
+AlignAfterOpenBracket: Align
+AlignConsecutiveAssignments: false
+AlignOperands: true
+AllowAllArgumentsOnNextLine: false
+AllowAllConstructorInitializersOnNextLine: false
+AllowAllParametersOfDeclarationOnNextLine: false
+AllowShortBlocksOnASingleLine: Always
+AllowShortCaseLabelsOnASingleLine: false
+AllowShortFunctionsOnASingleLine: All
+AllowShortIfStatementsOnASingleLine: Always
+AllowShortLambdasOnASingleLine: All
+AllowShortLoopsOnASingleLine: true
+AlwaysBreakAfterReturnType: None
+AlwaysBreakTemplateDeclarations: Yes
+BreakBeforeBraces: Custom
+BraceWrapping:
+  AfterCaseLabel: false
+  AfterClass: false
+  AfterControlStatement: Never
+  AfterEnum: false
+  AfterFunction: false
+  AfterNamespace: false
+  AfterUnion: false
+  BeforeCatch: false
+  BeforeElse: false
+  IndentBraces: false
+  SplitEmptyFunction: false
+  SplitEmptyRecord: true
+BreakBeforeBinaryOperators: None
+BreakBeforeTernaryOperators: true
+BreakConstructorInitializers: BeforeComma
+BreakInheritanceList: BeforeComma
+ColumnLimit: 0
+CompactNamespaces: true
+ContinuationIndentWidth: 8
+FixNamespaceComments: true
+IndentCaseLabels: true
+IndentPPDirectives: None
+IndentWidth: 4
+KeepEmptyLinesAtTheStartOfBlocks: true
+MaxEmptyLinesToKeep: 2
+NamespaceIndentation: All
+ObjCSpaceAfterProperty: false
+ObjCSpaceBeforeProtocolList: true
+PointerAlignment: Right
+ReflowComments: false
+SpaceAfterCStyleCast: true
+SpaceAfterLogicalNot: false
+SpaceAfterTemplateKeyword: false
+SpaceBeforeAssignmentOperators: true
+SpaceBeforeCpp11BracedList: false
+SpaceBeforeCtorInitializerColon: true
+SpaceBeforeInheritanceColon: true
+SpaceBeforeParens: ControlStatements
+SpaceBeforeRangeBasedForLoopColon: true
+SpaceInEmptyParentheses: false
+SpacesBeforeTrailingComments: 1
+SpacesInAngles: false
+SpacesInCStyleCastParentheses: false
+SpacesInContainerLiterals: false
+SpacesInParentheses: false
+SpacesInSquareBrackets: false
+TabWidth: 4
+UseTab: Never

.clang-tidy

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+# Note #1: the full list of Clang-Tidy checks can be found at
+#          https://clang.llvm.org/extra/clang-tidy/checks/list.html...
+# Note #2: performance-no-automatic-move shouldn't be disabled, but we have to
+#          due to an issue with Qt (see
+#          https://bugreports.qt.io/browse/QTBUG-85415)...
+# Note #3: readability-redundant-access-specifiers shouldn't normally be
+#          disabled, but Clang-Tidy gets a bit confused with access specifiers
+#          like "public" vs. "public slots"...
+
+# Note: if you make changes here, you may need to make changes in .clang-tidy
+# files elsewhere in the tree; clang-tidy-10 doesn't allow selective
+# inheritance of parent .clang-tidy files.
+
+
+---
+Checks: >-
+  -*,
+  clang-diagnostic-*,
+  llvm-*,
+  misc-*,
+  -misc-unused-parameters,
+  -misc-non-private-member-variables-in-classes,
+  -google-readability-namespace-comments,
+  -readability-identifier-naming
+  -readability-redundant-access-specifiers
+
+# Note that the readability-identifier-naming check is disabled, there are too
+# many violations in the codebase, and they create too much noise in clang-tidy
+# results.
+# Naming settings are kept for documentation purposes and allowing to run the
+# check if the users would override this file, e.g. via a command-line arg.
+CheckOptions:
+  - key:             readability-identifier-naming.ClassCase
+    value:           CamelCase
+  - key:             readability-identifier-naming.EnumCase
+    value:           CamelCase
+  - key:             readability-identifier-naming.FunctionCase
+    value:           camelBack
+  - key:             readability-identifier-naming.MemberCase
+    value:           CamelCase
+  - key:             readability-identifier-naming.ParameterCase
+    value:           CamelCase
+  - key:             readability-identifier-naming.UnionCase
+    value:           CamelCase
+  - key:             readability-identifier-naming.VariableCase
+    value:           CamelCase

.editorconfig

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+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+indent_size = 4
+indent_style = space
+insert_final_newline = false
+trim_trailing_whitespace = false
+max_line_length = 120
+tab_width = 4
+
+[{*.yaml,*.yml,.clang-format,.clang-tidy,_clang-format}]
+indent_size = 2
+tab_width = 2
+indent_style = space
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.{adoc, asc, asciidoc}]
+indent_size = 4
+indent_style = tab
+trim_trailing_whitespace = false
+insert_final_newline = false
+ij_any_wrap_long_lines = true
+
+[*.{md, markdown, mkd}]
+indent_size = 4
+indent_style = tab
+trim_trailing_whitespace = false
+insert_final_newline = false
+
+[*.{sh, bash, zsh}]
+indent_size = 2
+indent_style = tab
+tab_width = 2
+trim_trailing_whitespace = false
+insert_final_newline = false
+
+[*.{h,hh,hpp,hxx,c,cc,cpp,cxx,inl}]
+indent_size = 4
+indent_style = space
+tab_width = 4
+
+[*.go]
+indent_size = 4
+indent_style = tab
+
+[{*.har,*.jsb2,*.jsb3,*.json,.babelrc,.eslintrc,.stylelintrc,bowerrc,jest.config}]
+indent_size = 2
+indent_style = space
+tab_width = 2
+
+[CMakeLists.txt]
+indent_style = tab
+indent_size = 4
+
+[Makefile]
+indent_style = tab
+indent_size = 4
+
+[*.{Makefile, mak}]
+indent_style = tab
+indent_size = 4

.github/CODEOWNERS

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+# These owners will be the default owners for everything in the repo.
+*       @hedzr

.github/FUNDING.yml

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+# These are supported funding model platforms
+
+# github: [hedzr]
+# open_collective: cmdr-cxx
+custom: https://paypal.me/hezr/5
+# custom: https://paypal.me/hezr/20