Add _clang-format file
+ tweak to CMakeLists.txt
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 533abb0..b5ae42c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -503,6 +503,7 @@
add_custom_command(OUTPUT poppler/${input}.c
COMMAND gperf poppler/${input}.gperf > ${CMAKE_CURRENT_BINARY_DIR}/poppler/${input}.c
COMMAND gperf poppler/${input}.gperf > ${CMAKE_CURRENT_SOURCE_DIR}/poppler/${input}.pregenerated.c
+ COMMAND clang-format -i ${CMAKE_CURRENT_SOURCE_DIR}/poppler/${input}.pregenerated.c || true
DEPENDS poppler/${input}.gperf
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
diff --git a/_clang-format b/_clang-format
new file mode 100644
index 0000000..023c81c
--- /dev/null
+++ b/_clang-format
@@ -0,0 +1,77 @@
+# 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.
+
+---
+BasedOnStyle: WebKit
+
+Standard: Cpp11
+
+ColumnLimit: 240
+# 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: true
+ 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
