c++17 replaces boost dependency (#124)

* thanks to xgdgsc, for https://github.com/KjellKod/g3sinks/pull/104/files
* commenting out or removing boost for testing with pure std::cpp17 library std::filesystem
* big cleanup, some refactoring of redundant code, improved readability
* clang-formatting, sublime formatting file added.

.clang-format

@@ -0,0 +1,212 @@
+---
+Language:        Cpp
+# BasedOnStyle:  Google
+AccessModifierOffset: -1
+AlignAfterOpenBracket: Align
+AlignArrayOfStructures: None
+AlignConsecutiveMacros: None
+AlignConsecutiveAssignments: None
+AlignConsecutiveBitFields: None
+AlignConsecutiveDeclarations: None
+AlignEscapedNewlines: Left
+AlignOperands:   Align
+AlignTrailingComments: true
+AllowAllArgumentsOnNextLine: true
+AllowAllConstructorInitializersOnNextLine: true
+AllowAllParametersOfDeclarationOnNextLine: true
+AllowShortEnumsOnASingleLine: true
+AllowShortBlocksOnASingleLine: Never
+AllowShortCaseLabelsOnASingleLine: false
+AllowShortFunctionsOnASingleLine: All
+AllowShortLambdasOnASingleLine: All
+AllowShortIfStatementsOnASingleLine: WithoutElse
+AllowShortLoopsOnASingleLine: true
+AlwaysBreakAfterDefinitionReturnType: None
+AlwaysBreakAfterReturnType: None
+AlwaysBreakBeforeMultilineStrings: true
+AlwaysBreakTemplateDeclarations: Yes
+AttributeMacros:
+  - __capability
+BinPackArguments: true
+BinPackParameters: true
+BraceWrapping:
+  AfterCaseLabel:  false
+  AfterClass:      false
+  AfterControlStatement: Never
+  AfterEnum:       false
+  AfterFunction:   false
+  AfterNamespace:  false
+  AfterObjCDeclaration: false
+  AfterStruct:     false
+  AfterUnion:      false
+  AfterExternBlock: false
+  BeforeCatch:     false
+  BeforeElse:      false
+  BeforeLambdaBody: false
+  BeforeWhile:     false
+  IndentBraces:    false
+  SplitEmptyFunction: true
+  SplitEmptyRecord: true
+  SplitEmptyNamespace: true
+BreakBeforeBinaryOperators: None
+BreakBeforeConceptDeclarations: true
+BreakBeforeBraces: Attach
+BreakBeforeInheritanceComma: false
+BreakInheritanceList: BeforeColon
+BreakBeforeTernaryOperators: true
+BreakConstructorInitializersBeforeComma: false
+BreakConstructorInitializers: BeforeColon
+BreakAfterJavaFieldAnnotations: false
+BreakStringLiterals: true
+ColumnLimit:     120
+CommentPragmas:  '^ IWYU pragma:'
+CompactNamespaces: false
+ConstructorInitializerAllOnOneLineOrOnePerLine: true
+ConstructorInitializerIndentWidth: 4
+ContinuationIndentWidth: 4
+Cpp11BracedListStyle: true
+DeriveLineEnding: true
+DerivePointerAlignment: false
+DisableFormat:   false
+EmptyLineAfterAccessModifier: Never
+EmptyLineBeforeAccessModifier: LogicalBlock
+ExperimentalAutoDetectBinPacking: false
+FixNamespaceComments: true
+ForEachMacros:
+  - foreach
+  - Q_FOREACH
+  - BOOST_FOREACH
+IfMacros:
+  - KJ_IF_MAYBE
+IncludeBlocks:   Regroup
+IncludeCategories:
+  - Regex:           '^<ext/.*\.h>'
+    Priority:        2
+    SortPriority:    0
+    CaseSensitive:   false
+  - Regex:           '^<.*\.h>'
+    Priority:        1
+    SortPriority:    0
+    CaseSensitive:   false
+  - Regex:           '^<.*'
+    Priority:        2
+    SortPriority:    0
+    CaseSensitive:   false
+  - Regex:           '.*'
+    Priority:        3
+    SortPriority:    0
+    CaseSensitive:   false
+IncludeIsMainRegex: '([-_](test|unittest))?$'
+IncludeIsMainSourceRegex: ''
+IndentAccessModifiers: false
+IndentCaseLabels: true
+IndentCaseBlocks: false
+IndentGotoLabels: true
+IndentPPDirectives: None
+IndentExternBlock: AfterExternBlock
+IndentRequires:  false
+IndentWidth:     3
+IndentWrappedFunctionNames: false
+InsertTrailingCommas: None
+JavaScriptQuotes: Leave
+JavaScriptWrapImports: true
+KeepEmptyLinesAtTheStartOfBlocks: false
+LambdaBodyIndentation: Signature
+MacroBlockBegin: ''
+MacroBlockEnd:   ''
+MaxEmptyLinesToKeep: 1
+NamespaceIndentation: All
+ObjCBinPackProtocolList: Never
+ObjCBlockIndentWidth: 2
+ObjCBreakBeforeNestedBlockParam: true
+ObjCSpaceAfterProperty: false
+ObjCSpaceBeforeProtocolList: true
+PenaltyBreakAssignment: 2
+PenaltyBreakBeforeFirstCallParameter: 1
+PenaltyBreakComment: 300
+PenaltyBreakFirstLessLess: 120
+PenaltyBreakString: 1000
+PenaltyBreakTemplateDeclaration: 10
+PenaltyExcessCharacter: 1000000
+PenaltyReturnTypeOnItsOwnLine: 200
+PenaltyIndentedWhitespace: 0
+PointerAlignment: Left
+PPIndentWidth:   -1
+RawStringFormats:
+  - Language:        Cpp
+    Delimiters:
+      - cc
+      - CC
+      - cpp
+      - Cpp
+      - CPP
+      - 'c++'
+      - 'C++'
+    CanonicalDelimiter: ''
+    BasedOnStyle:    google
+  - Language:        TextProto
+    Delimiters:
+      - pb
+      - PB
+      - proto
+      - PROTO
+    EnclosingFunctions:
+      - EqualsProto
+      - EquivToProto
+      - PARSE_PARTIAL_TEXT_PROTO
+      - PARSE_TEST_PROTO
+      - PARSE_TEXT_PROTO
+      - ParseTextOrDie
+      - ParseTextProtoOrDie
+      - ParseTestProto
+      - ParsePartialTestProto
+    CanonicalDelimiter: pb
+    BasedOnStyle:    google
+ReferenceAlignment: Pointer
+ReflowComments:  true
+ShortNamespaceLines: 1
+SortIncludes:    CaseSensitive
+SortJavaStaticImport: Before
+SortUsingDeclarations: true
+SpaceAfterCStyleCast: true
+SpaceAfterLogicalNot: false
+SpaceAfterTemplateKeyword: true
+SpaceBeforeAssignmentOperators: true
+SpaceBeforeCaseColon: false
+SpaceBeforeCpp11BracedList: false
+SpaceBeforeCtorInitializerColon: true
+SpaceBeforeInheritanceColon: true
+SpaceBeforeParens: ControlStatements
+SpaceAroundPointerQualifiers: Default
+SpaceBeforeRangeBasedForLoopColon: true
+SpaceInEmptyBlock: false
+SpaceInEmptyParentheses: false
+SpacesBeforeTrailingComments: 2
+SpacesInAngles:  Never
+SpacesInConditionalStatement: false
+SpacesInContainerLiterals: true
+SpacesInCStyleCastParentheses: false
+SpacesInLineCommentPrefix:
+  Minimum:         1
+  Maximum:         -1
+SpacesInParentheses: false
+SpacesInSquareBrackets: false
+SpaceBeforeSquareBrackets: false
+BitFieldColonSpacing: Both
+Standard:        Auto
+StatementAttributeLikeMacros:
+  - Q_EMIT
+StatementMacros:
+  - Q_UNUSED
+  - QT_REQUIRE_VERSION
+TabWidth:        8
+UseCRLF:         false
+UseTab:          Never
+WhitespaceSensitiveMacros:
+  - STRINGIZE
+  - PP_STRINGIZE
+  - BOOST_PP_STRINGIZE
+  - NS_SWIFT_NAME
+  - CF_SWIFT_NAME
+...
+

.github/workflows/buildAndRunTests.yml

@@ -34,7 +34,7 @@ jobs:
       run: | 
         echo "MacOS Latest" 
         brew update --preinstall
-        brew install boost 
+
 
 
     - name: Linux Bootstrap 
@@ -46,7 +46,7 @@ jobs:
         sudo apt-get update
         sudo apt-get install ninja-build cmake gcc-9 g++-9
         sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-9 90 --slave /usr/bin/g++ g++ /usr/bin/g++-9 --slave /usr/bin/gcov gcov /usr/bin/gcov-9
-        sudo apt-get install -y unzip zlib1g-dev libboost-all-dev libc6-dev
+        sudo apt-get install -y unzip zlib1g-dev libc6-dev
         echo gcc version after
         gcc --version        
         cmake --version

.sublime_formatting

@@ -0,0 +1,28 @@
+{
+	"ignored_packages":
+	[
+		"Vintage",
+	],
+   "AStyleFormatter":
+   {
+      "options_default":
+      {
+         "indent": "spaces",
+         "indent-modifiers": false,
+         "indent-namespaces": true,
+         "indent-preproc-block": true,
+         "indent-spaces": 3,
+         //"style": "googles"
+      }
+   },
+   //"color_scheme": "Packages/Color Scheme - Default/Twilight.tmTheme",
+   "font_size": 11,
+   "highlight_modified_tabs": true,
+   "ignored_packages":
+   [
+      "Vintage"
+   ],
+   "tab_size": 3,
+   "translate_tabs_to_spaces": true,
+   "word_wrap": true
+}

.vscode/configurationCache.log

@@ -0,0 +1 @@
+{"buildTargets":[".PHONY",".SILENT",".SUFFIXES","Continuous","Continuous/fast","ContinuousBuild","ContinuousBuild/fast","ContinuousConfigure","ContinuousConfigure/fast","ContinuousCoverage","ContinuousCoverage/fast","ContinuousMemCheck","ContinuousMemCheck/fast","ContinuousStart","ContinuousStart/fast","ContinuousSubmit","ContinuousSubmit/fast","ContinuousTest","ContinuousTest/fast","ContinuousUpdate","ContinuousUpdate/fast","Experimental","Experimental/fast","ExperimentalBuild","ExperimentalBuild/fast","ExperimentalConfigure","ExperimentalConfigure/fast","ExperimentalCoverage","ExperimentalCoverage/fast","ExperimentalMemCheck","ExperimentalMemCheck/fast","ExperimentalStart","ExperimentalStart/fast","ExperimentalSubmit","ExperimentalSubmit/fast","ExperimentalTest","ExperimentalTest/fast","ExperimentalUpdate","ExperimentalUpdate/fast","Nightly","Nightly/fast","NightlyBuild","NightlyBuild/fast","NightlyConfigure","NightlyConfigure/fast","NightlyCoverage","NightlyCoverage/fast","NightlyMemCheck","NightlyMemCheck/fast","NightlyMemoryCheck","NightlyMemoryCheck/fast","NightlyStart","NightlyStart/fast","NightlySubmit","NightlySubmit/fast","NightlyTest","NightlyTest/fast","NightlyUpdate","NightlyUpdate/fast","all","clean","clean-cmake","clean-cmake/fast","clean/fast","cmake_check_build_system","cmake_force","default_target","depend","edit_cache","edit_cache/fast","example_coloredcout","example_coloredcout/fast","example_filedescriptor","example_filedescriptor/fast","example_logrotate_and_filter","example_logrotate_and_filter/fast","example_syslog","example_syslog/fast","g3logrotate","g3logrotate/fast","g3syslog","g3syslog/fast","gmock","gmock/fast","gmock_main","gmock_main/fast","gtest","gtest/fast","gtest_main","gtest_main/fast","help","install","install/fast","install/local","install/local/fast","install/strip","install/strip/fast","list_install_components","list_install_components/fast","package","package/fast","package_source","package_source/fast","preinstall","preinstall/fast","rebuild_cache","rebuild_cache/fast","test","test/fast","test_logrotate","test_logrotate/fast"],"launchTargets":[],"customConfigurationProvider":{"workspaceBrowse":{"browsePath":[],"compilerArgs":[]},"fileIndex":[]}}

.vscode/dryrun.log

@@ -0,0 +1,21 @@
+make -f /Users/kjell/ws/test/g3sinks/build/Makefile --dry-run --keep-going --print-directory
+make: Entering directory `/Users/kjell/ws/test/g3sinks'
+/usr/local/Cellar/cmake/3.21.4/bin/cmake -S/Users/kjell/ws/test/g3sinks -B/Users/kjell/ws/test/g3sinks/build --check-build-system CMakeFiles/Makefile.cmake 0
+/usr/local/Cellar/cmake/3.21.4/bin/cmake -E cmake_progress_start /Users/kjell/ws/test/g3sinks/build/CMakeFiles /Users/kjell/ws/test/g3sinks/build//CMakeFiles/progress.marks
+/Applications/Xcode.app/Contents/Developer/usr/bin/make -s -f CMakeFiles/Makefile2 all
+
+make[1]: Entering directory `/Users/kjell/ws/test/g3sinks'
+
+make[1]: CMakeFiles/Makefile2: No such file or directory
+
+make[1]: *** No rule to make target `CMakeFiles/Makefile2'.
+make[1]: Failed to remake makefile `CMakeFiles/Makefile2'.
+
+make[1]: *** No rule to make target `all'.
+
+make[1]: Leaving directory `/Users/kjell/ws/test/g3sinks'
+
+make: *** [all] Error 2
+
+make: Leaving directory `/Users/kjell/ws/test/g3sinks'
+

.vscode/launch.json

@@ -0,0 +1,20 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "(lldb) Launch",
+            "type": "cppdbg",
+            "request": "launch",
+            "program": "${workspaceFolder}/build/test/test_logrotate",
+            "args": ["--gtest_filter=*getDateFromFileName"],
+            "stopAtEntry": false,
+            "cwd": "${fileDirname}",
+            "environment": [],
+            "externalConsole": false,
+            "MIMode": "lldb"
+        }
+    ]
+}

.vscode/settings.json

@@ -0,0 +1,75 @@
+{
+    "files.associations": {
+        "regex": "cpp",
+        "string": "cpp",
+        "__bit_reference": "cpp",
+        "__bits": "cpp",
+        "__config": "cpp",
+        "__debug": "cpp",
+        "__errc": "cpp",
+        "__functional_base": "cpp",
+        "__locale": "cpp",
+        "__mutex_base": "cpp",
+        "__node_handle": "cpp",
+        "__nullptr": "cpp",
+        "__split_buffer": "cpp",
+        "__string": "cpp",
+        "__threading_support": "cpp",
+        "__tree": "cpp",
+        "__tuple": "cpp",
+        "algorithm": "cpp",
+        "any": "cpp",
+        "array": "cpp",
+        "atomic": "cpp",
+        "bit": "cpp",
+        "bitset": "cpp",
+        "cctype": "cpp",
+        "chrono": "cpp",
+        "clocale": "cpp",
+        "condition_variable": "cpp",
+        "cstdarg": "cpp",
+        "cstddef": "cpp",
+        "cstdint": "cpp",
+        "cstdio": "cpp",
+        "cstdlib": "cpp",
+        "cstring": "cpp",
+        "ctime": "cpp",
+        "cwchar": "cpp",
+        "cwctype": "cpp",
+        "deque": "cpp",
+        "exception": "cpp",
+        "fstream": "cpp",
+        "functional": "cpp",
+        "future": "cpp",
+        "initializer_list": "cpp",
+        "iomanip": "cpp",
+        "ios": "cpp",
+        "iosfwd": "cpp",
+        "iostream": "cpp",
+        "istream": "cpp",
+        "iterator": "cpp",
+        "limits": "cpp",
+        "locale": "cpp",
+        "map": "cpp",
+        "memory": "cpp",
+        "mutex": "cpp",
+        "new": "cpp",
+        "optional": "cpp",
+        "ostream": "cpp",
+        "ratio": "cpp",
+        "set": "cpp",
+        "sstream": "cpp",
+        "stack": "cpp",
+        "stdexcept": "cpp",
+        "streambuf": "cpp",
+        "string_view": "cpp",
+        "system_error": "cpp",
+        "thread": "cpp",
+        "tuple": "cpp",
+        "type_traits": "cpp",
+        "typeinfo": "cpp",
+        "utility": "cpp",
+        "variant": "cpp",
+        "vector": "cpp"
+    }
+}