add ability to check clang-format

04-static-analysis/clang-format/cmake/modules/FindClangFormat.cmake

@@ -0,0 +1,34 @@
+# Find Clang format
+# 
+# 
+if(NOT CLANG_FORMAT_BIN_NAME)
+	set(CLANG_FORMAT_BIN_NAME clang-format)
+endif()
+
+# if custom path check there first
+if(CPPCHECK_ROOT_DIR)
+    find_program(CLANG_FORMAT_BIN 
+        NAMES
+        ${CLANG_FORMAT_BIN_NAME}
+        PATHS
+        "${CLANG_FORMAT_ROOT_DIR}"
+        NO_DEFAULT_PATH)
+endif()
+
+find_program(CLANG_FORMAT_BIN NAMES ${CLANG_FORMAT_BIN_NAME})
+
+include(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(
+    CLANG_FORMAT
+    DEFAULT_MSG 
+    CLANG_FORMAT_BIN)
+
+mark_as_advanced(
+    CLANG_FORMAT_BIN)
+
+if(CLANG_FORMAT_FOUND)
+	# A CMake script to find all source files and setup clang-format targets for them
+	include(clang-format)
+else()
+    message("clang-format not found. Not setting up format targets")
+endif()

04-static-analysis/clang-format/cmake/modules/clang-format.cmake

@@ -0,0 +1,46 @@
+# A CMake script to find all source files and setup clang-format targets for them
+
+# Find all source files
+file(GLOB_RECURSE ALL_SOURCE_FILES *.cpp *.h *.cxx *.hxx *.hpp *.cc)
+
+# Don't include some common build folders
+set(CLANG_FORMAT_EXCLUDE_PATTERNS ${CLANG_FORMAT_EXCLUDE_PATTERNS} "main2.cpp" "build/" "/CMakeFiles/")
+
+# get all project files file
+foreach (SOURCE_FILE ${ALL_SOURCE_FILES}) 
+    foreach (EXCLUDE_PATTERN ${CLANG_FORMAT_EXCLUDE_PATTERNS})
+        string(FIND ${SOURCE_FILE} ${EXCLUDE_PATTERN} EXCLUDE_FOUND) 
+        if (NOT ${EXCLUDE_FOUND} EQUAL -1) 
+            list(REMOVE_ITEM ALL_SOURCE_FILES ${SOURCE_FILE})
+        endif () 
+    endforeach ()
+endforeach ()
+
+add_custom_target(format
+    COMMENT "Running clang-format to change files"
+    COMMAND ${CLANG_FORMAT_BIN}
+    -style=file
+    -i
+    ${ALL_SOURCE_FILES}
+)
+
+add_custom_target(format-check
+    COMMENT "Checking clang-format changes"
+    COMMAND ${CLANG_FORMAT_BIN}
+    -style=file
+    -output-replacements-xml
+    ${ALL_SOURCE_FILES}
+    | grep "replacement offset" 2>&1 > /dev/null
+)
+
+# This is a hack because our CMake root dir isn't the same as our git root dir
+
+# Get the path to this file
+get_filename_component(_clangcheckpath ${CMAKE_CURRENT_LIST_FILE} PATH)
+# call the script to chech changed files in git
+add_custom_target(format-check-changed
+    COMMENT "Checking changed files in git"
+    WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+    COMMAND ${_clangcheckpath}/../scripts/clang-format-check-changed ${CLANG_FORMAT_BIN}
+)
+

04-static-analysis/clang-format/cmake/scripts/clang-format-check-changed

@@ -0,0 +1,18 @@
+#!/bin/bash
+
+# Required because cmake root isn't git root in this example
+CLANG_FORMAT_BIN=$1
+GIT_ROOT=`git rev-parse --show-toplevel`
+
+pushd ${GIT_ROOT} > /dev/null
+
+git status --porcelain \
+	| egrep '*\.cpp|*\.h|*\.cxx|*\.hxx|*\.hpp|*\.cc' \
+	| awk -F " " '{print $NF}' \
+	| xargs -r ${CLANG_FORMAT_BIN} -style=file -output-replacements-xml \
+	| grep "replacement offset" 2>&1 > /dev/null
+
+RET=$?
+popd > /dev/null
+
+exit ${RET}