Copy _clang-format from qt5.git

Add some QtWebEngine specific changes at the bottom.

Change-Id: I5bbcbff2cec43f6bb5878a22d79f96bc0c301d7f
Reviewed-by: Michal Klocek <michal.klocek@qt.io>

1 files changed, 105 insertions, 0 deletions

diff --git a/.clang-format b/.clang-format
new file mode 100644
index 000000000..3399f428c
--- /dev/null
+++ b/.clang-format
@@ -0,0 +1,105 @@
+# Copyright (C) 2016 Olivier Goffart <ogoffart@woboq.com>
+#
+# You may use this file under the terms of the 3-clause BSD license.
+# See the file LICENSE from this package for details.
+
+# This is the clang-format configuration style to be used by Qt,
+# based on the rules from https://wiki.qt.io/Qt_Coding_Style and
+# https://wiki.qt.io/Coding_Conventions
+
+---
+# Webkit style was loosely based on the Qt style
+BasedOnStyle: WebKit
+
+Standard: Cpp11
+
+# Column width is limited to 100 in accordance with Qt Coding Style.
+# https://wiki.qt.io/Qt_Coding_Style
+# Note that this may be changed at some point in the future.
+ColumnLimit: 100
+# How much weight do extra characters after the line length limit have.
+# PenaltyExcessCharacter: 4
+
+# Disable reflow of qdoc comments: indentation rules are different.
+# Translation comments are also excluded.
+CommentPragmas: "^!|^:"
+
+# We want a space between the type and the star for pointer types.
+PointerBindsToType: false
+
+# We use template< without space.
+SpaceAfterTemplateKeyword: false
+
+# We want to break before the operators, but not before a '='.
+BreakBeforeBinaryOperators: NonAssignment
+
+# Braces are usually attached, but not after functions or class declarations.
+BreakBeforeBraces: Custom
+BraceWrapping:
+    AfterClass: true
+    AfterControlStatement: false
+    AfterEnum: false
+    AfterFunction: true
+    AfterNamespace: false
+    AfterObjCDeclaration: false
+    AfterStruct: true
+    AfterUnion: false
+    BeforeCatch: false
+    BeforeElse: false
+    IndentBraces: false
+
+# When constructor initializers do not fit on one line, put them each on a new line.
+ConstructorInitializerAllOnOneLineOrOnePerLine: true
+# Indent initializers by 4 spaces
+ConstructorInitializerIndentWidth: 4
+
+# Indent width for line continuations.
+ContinuationIndentWidth: 8
+
+# No indentation for namespaces.
+NamespaceIndentation: None
+
+# Allow indentation for preprocessing directives (if/ifdef/endif). https://reviews.llvm.org/rL312125
+IndentPPDirectives: AfterHash
+
+# Horizontally align arguments after an open bracket.
+# The coding style does not specify the following, but this is what gives
+# results closest to the existing code.
+AlignAfterOpenBracket: true
+AlwaysBreakTemplateDeclarations: true
+
+# Ideally we should also allow less short function in a single line, but
+# clang-format does not handle that.
+AllowShortFunctionsOnASingleLine: Inline
+
+# The coding style specifies some include order categories, but also tells to
+# separate categories with an empty line. It does not specify the order within
+# the categories. Since the SortInclude feature of clang-format does not
+# re-order includes separated by empty lines, the feature is not used.
+SortIncludes: false
+
+# macros for which the opening brace stays attached.
+ForEachMacros:   [ foreach, Q_FOREACH, BOOST_FOREACH, forever, Q_FOREVER, QBENCHMARK, QBENCHMARK_ONCE ]
+
+# Break constructor initializers before the colon and after the commas.
+BreakConstructorInitializers: BeforeColon
+
+################################################################################
+# QtWebEngine specific changes to Qt style
+
+# We are using BeforeComma consistently so don't change it
+BreakConstructorInitializers: BeforeComma
+
+# Chromium macros
+MacroBlockBegin: "^\
+IPC_BEGIN_MESSAGE_MAP|\
+IPC_BEGIN_MESSAGE_MAP_WITH_PARAM|\
+IPC_STRUCT_BEGIN|\
+IPC_STRUCT_BEGIN_WITH_PARENT|\
+IPC_STRUCT_TRAITS_BEGIN|\
+PPAPI_BEGIN_MESSAGE_MAP$"
+MacroBlockEnd: "^\
+IPC_END_MESSAGE_MAP|\
+IPC_STRUCT_END|\
+IPC_STRUCT_TRAITS_END|\
+PPAPI_END_MESSAGE_MAP$"