added Michaels clang-format scripts

Author: maxscheurer

.clang-format

@@ -0,0 +1,79 @@
+---
+Language:        Cpp
+AccessModifierOffset: -1
+AlignAfterOpenBracket: Align
+AlignConsecutiveAssignments: true
+AlignConsecutiveDeclarations: false
+AlignEscapedNewlinesLeft: true
+AlignOperands:   true
+AlignTrailingComments: true
+AllowAllParametersOfDeclarationOnNextLine: true
+AllowShortBlocksOnASingleLine: false
+AllowShortCaseLabelsOnASingleLine: false
+AllowShortFunctionsOnASingleLine: All
+AllowShortIfStatementsOnASingleLine: true
+AllowShortLoopsOnASingleLine: true
+AlwaysBreakAfterReturnType: None
+AlwaysBreakBeforeMultilineStrings: true
+AlwaysBreakTemplateDeclarations: true
+BinPackArguments: true
+BinPackParameters: true
+BraceWrapping:   
+  AfterClass:      false
+  AfterControlStatement: false
+  AfterEnum:       false
+  AfterFunction:   false
+  AfterNamespace:  false
+  AfterObjCDeclaration: false
+  AfterStruct:     false
+  AfterUnion:      false
+  BeforeCatch:     false
+  BeforeElse:      false
+  IndentBraces:    false
+BreakBeforeBinaryOperators: None
+BreakBeforeBraces: Attach
+BreakBeforeTernaryOperators: true
+BreakConstructorInitializersBeforeComma: false
+ColumnLimit:     90
+CommentPragmas:  '^ IWYU pragma:'
+ConstructorInitializerAllOnOneLineOrOnePerLine: true
+ConstructorInitializerIndentWidth: 6
+ContinuationIndentWidth: 6
+Cpp11BracedListStyle: true
+DerivePointerAlignment: false
+DisableFormat:   false
+ExperimentalAutoDetectBinPacking: false
+ForEachMacros:   [ foreach, Q_FOREACH, BOOST_FOREACH ]
+IndentCaseLabels: true
+IndentWidth:     2
+IndentWrappedFunctionNames: false
+KeepEmptyLinesAtTheStartOfBlocks: true
+MaxEmptyLinesToKeep: 1
+NamespaceIndentation: None
+ObjCBlockIndentWidth: 2
+ObjCSpaceAfterProperty: false
+ObjCSpaceBeforeProtocolList: false
+PenaltyBreakBeforeFirstCallParameter: 1
+PenaltyBreakComment: 300
+PenaltyBreakFirstLessLess: 120
+PenaltyBreakString: 1000
+PenaltyExcessCharacter: 1000000
+PenaltyReturnTypeOnItsOwnLine: 200
+PointerAlignment: Left
+ReflowComments:  true
+SortIncludes:    true
+SpaceAfterCStyleCast: false
+SpaceBeforeAssignmentOperators: true
+SpaceBeforeParens: ControlStatements
+SpaceInEmptyParentheses: false
+SpacesBeforeTrailingComments: 2
+SpacesInAngles:  false
+SpacesInContainerLiterals: true
+SpacesInCStyleCastParentheses: false
+SpacesInParentheses: false
+SpacesInSquareBrackets: false
+Standard:        Cpp11
+TabWidth:        8
+UseTab:          Never
+...
+

.clang-format.ignore

@@ -0,0 +1 @@
+external/**

scripts/common.py

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+#!/usr/bin/env python3
+## vi: tabstop=4 shiftwidth=4 softtabstop=4 expandtab
+## ---------------------------------------------------------------------
+##
+## Copyright 2019 Michael F. Herbst
+##
+## Licensed under the Apache License, Version 2.0 (the "License");
+## you may not use this file except in compliance with the License.
+## You may obtain a copy of the License at
+##
+##     http://www.apache.org/licenses/LICENSE-2.0
+##
+## Unless required by applicable law or agreed to in writing, software
+## distributed under the License is distributed on an "AS IS" BASIS,
+## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+## See the License for the specific language governing permissions and
+## limitations under the License.
+##
+## ---------------------------------------------------------------------
+import os
+import subprocess
+
+
+def list_committed_files():
+    """List all files which are commited in the repo located
+    in directory"""
+    command = "git ls-tree --full-tree --name-only -r HEAD".split(" ")
+    output = subprocess.check_output(command, universal_newlines=True)
+    return [line for line in output.split("\n") if line != ""]
+
+
+def get_repo_root_path():
+    return subprocess.check_output("git rev-parse --show-toplevel".split(" "),
+                                   universal_newlines=True).strip()
+
+
+def read_ignore_globs(ignore_file):
+    """
+    Read a file, given relative to the root of the repo
+    and return the list of globs of files to be ignored.
+
+    If the file does not exist, returns an empty list.
+    """
+    if not os.path.isabs(ignore_file):
+        ignore_file = os.path.join(get_repo_root_path(), ignore_file)
+
+    if not os.path.isfile(ignore_file):
+        return []
+    with open(ignore_file) as ignf:
+        return [line.strip() for line in ignf if not line.startswith("#")]

scripts/run-clang-format.py

@@ -0,0 +1,62 @@
+#!/usr/bin/env python3
+## vi: tabstop=4 shiftwidth=4 softtabstop=4 expandtab
+## ---------------------------------------------------------------------
+##
+## Copyright 2019 Michael F. Herbst
+##
+## Licensed under the Apache License, Version 2.0 (the "License");
+## you may not use this file except in compliance with the License.
+## You may obtain a copy of the License at
+##
+##     http://www.apache.org/licenses/LICENSE-2.0
+##
+## Unless required by applicable law or agreed to in writing, software
+## distributed under the License is distributed on an "AS IS" BASIS,
+## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+## See the License for the specific language governing permissions and
+## limitations under the License.
+##
+## ---------------------------------------------------------------------
+import os
+import glob
+import common
+import argparse
+import subprocess
+
+
+def read_ignored_files():
+    ignore_file = os.path.join(common.get_repo_root_path(), ".clang-format.ignore")
+    if not os.path.isfile(ignore_file):
+        return []
+    with open(ignore_file) as ignf:
+        return [line.strip() for line in ignf if not line.startswith("#")]
+
+
+def main():
+    parser = argparse.ArgumentParser(
+        description="Run clang-format on all currently committed c++ files"
+    )
+    parser.add_argument("-clang-format", metavar="PATH", default="clang-format",
+                        help="Name or path of clang-format executable to use.")
+    args = parser.parse_args()
+
+    cpp_extensions = [".cpp", ".hpp", ".cxx", ".hxx", ".hh", ".cc", ".h", ".c"]
+    root = common.get_repo_root_path()
+    cpp_files = [
+        os.path.join(root, file) for file in common.list_committed_files()
+        if os.path.splitext(file)[1] in cpp_extensions
+    ]
+    ignore_globs = common.read_ignore_globs(".clang-format.ignore")
+    cpp_files = [
+        os.path.join(root, name) for name in common.list_committed_files()
+        if os.path.splitext(name)[1] in cpp_extensions and
+        not any(glob.fnmatch.fnmatch(name, ignore) for ignore in ignore_globs)
+    ]
+
+    commandline = [args.clang_format, "-style=file", "-i"]
+    for cfile in cpp_files:
+        subprocess.check_call(commandline + [cfile])
+
+
+if __name__ == "__main__":
+    main()