Add .clang-format

Author: haoli

.clang-format

@@ -0,0 +1,39 @@
+---
+# display changed items only
+Language: Cpp
+BasedOnStyle: Google
+AccessModifierOffset: -4
+AllowShortEnumsOnASingleLine: true
+AllowShortBlocksOnASingleLine: Empty
+AllowShortCaseLabelsOnASingleLine: false
+AllowShortFunctionsOnASingleLine: Inline
+AllowShortLambdasOnASingleLine: All
+AllowShortIfStatementsOnASingleLine: Never
+AllowShortLoopsOnASingleLine: false
+AlwaysBreakBeforeMultilineStrings: false
+AlwaysBreakTemplateDeclarations: Yes
+BreakBeforeBraces: Custom
+BraceWrapping:
+  AfterCaseLabel:  true
+  AfterClass:      true
+  AfterControlStatement: Always
+  AfterEnum:       true
+  AfterFunction:   true
+  AfterNamespace:  false
+  AfterObjCDeclaration: false
+  AfterStruct:     true
+  AfterUnion:      true
+  AfterExternBlock: true
+  BeforeCatch:     false
+  BeforeElse:      false
+  BeforeLambdaBody: false
+  BeforeWhile:     false
+  IndentBraces:    false
+  SplitEmptyFunction: false
+  SplitEmptyRecord: false
+  SplitEmptyNamespace: false
+BreakBeforeTernaryOperators: false
+ColumnLimit: 129
+CompactNamespaces: true
+IndentWidth: 4
+...

CMakeLists.txt

@@ -47,6 +47,9 @@ if(CPPBASE_BUILD_TESTING)
   add_subdirectory(tests)
 endif()
 
+include(ClangFormat)
+clang_format_recurse("common" "logging" "network" "tests")
+
 install(FILES
     ${CMAKE_CURRENT_SOURCE_DIR}/common/Global.h
     ${CMAKE_CURRENT_SOURCE_DIR}/common/Semaphore.h

cmake/ClangFormat.cmake

@@ -0,0 +1,37 @@
+# project/
+# --third3ty/
+# --src/
+# --test/
+# --doc/
+# --.clang_format
+#
+# clang_format_recurse("src" "test")
+
+option(USE_CLANG_FORMAT "Apply clang-format to files in-place." OFF)
+
+function(clang_format_recurse DIRS...)
+    if(USE_CLANG_FORMAT)
+        # Try to locate "clang-format"
+        find_program(CLANG_FORMAT clang-format PATHS ENV PATH)
+        if(CLANG_FORMAT)
+            message(STATUS "clang-format found at: ${CLANG_FORMAT}")
+            execute_process(COMMAND ${CLANG_FORMAT} --version)
+        else()
+            message(FATAL_ERROR "clang-format not found, style not available")
+        endif()
+
+        # Process individual file
+        foreach(DIR ${ARGV})
+            file(GLOB_RECURSE FILES
+                "${DIR}/*.cpp"
+                "${DIR}/*.h"
+                "${DIR}/*.hpp"
+            )
+            foreach(FILE ${FILES})
+                if(NOT "${FILE}" STREQUAL "")
+                    execute_process(COMMAND ${CLANG_FORMAT} -style=file -i ${FILE})
+                endif()
+            endforeach(FILE)
+        endforeach(DIR)
+    endif()
+endfunction(clang_format_recurse)