style: switch to use clang-format

.git-blame-ignore-revs

@@ -0,0 +1,4 @@
+# .git-blame-ignore-revs
+# https://docs.github.com/en/repositories/working-with-files/using-files/viewing-a-file#ignore-commits-in-the-blame-view
+# Switched to clang-format and LLVM style
+9a4dc58421e8bb5042ca0b6aaef711a126c8248b

README.md

@@ -1,6 +1,7 @@
 # IBus-Chewing
 
-IBus-Chewing is an IBus front-end of Chewing, an intelligent Chinese input method for Zhuyin (BoPoMoFo) users.
+IBus-Chewing is an IBus front-end of Chewing, an intelligent Chinese input
+method for Zhuyin (BoPoMoFo) users.
 
 Following documents provide further instruction:
 
@@ -16,7 +17,9 @@ Bugs and enhancement can be filed to either:
 
 # Development
 
-We use **[K&R](https://en.wikipedia.org/wiki/Indent_style#K.26R_style), 4 spaces** coding style to make our review easier, so if you like to contribute, please set the git pre-commit hook by:
+We use LLVM coding style to make our review easier, so if you like to
+contribute, please install clang-format and set the git pre-commit hook by:
+
 ```sh
 ln -s ../../pre-commit .git/hooks/pre-commit
 ```

pre-commit

@@ -9,15 +9,15 @@
 
 
 function exit_print_error(){
-    if [[ -z $Indent ]];then
-        echo "Please install 'indent' and put it in system PATH," > /dev/stderr
+    if [[ -z $clang_format ]];then
+        echo "Please install 'clang-format' and put it in system PATH," > /dev/stderr
         echo "or specify it in 'git config hooks.indent'" > /dev/stderr
         exit 1
     fi
 }
 
 trap exit_print_error EXIT
-Indent="$(git config hooks.indent)" || Indent=$(which indent 2>/dev/null)
+clang_format="$(git config hooks.indent)" || clang_format=$(command -v clang-format 2>/dev/null)
 
 if git rev-parse --verify HEAD >/dev/null 2>&1; then
     Against=HEAD
@@ -39,16 +39,10 @@ while read File; do
     Ext=${File##*.}
     case $Ext in
         c|h)
-            echo "Indenting " $File > /dev/stderr
-            "$Indent" -kr --no-tabs\
-                --line-length 80\
-                --blank-lines-after-declarations\
-                --preprocessor-indentation 4\
-                "$File"
+            echo "clang-format " $File > /dev/stderr
+            $clang_format -i $File
             ;;
     esac
-    echo "Chopping  " $File > /dev/stderr
-    sed -r -i -e 's/[[:blank:]]+$//' $File
     git add "$File"
 done < <(git diff --cached --name-only $Against)
 

src/GSettingsBackend.c

@@ -16,16 +16,16 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
+ * USA.
  */
 
-#include <ibus.h>
-#include <glib.h>
-#include "MakerDialogUtil.h"
 #include "GSettingsBackend.h"
+#include "MakerDialogUtil.h"
+#include <glib.h>
+#include <ibus.h>
 
-gchar *mkdg_g_variant_to_string(GVariant * gVar)
-{
+gchar *mkdg_g_variant_to_string(GVariant *gVar) {
     static gchar result[MAKER_DIALOG_VALUE_LENGTH];
 
     result[0] = '\0';
@@ -65,9 +65,8 @@ gchar *mkdg_g_variant_to_string(GVariant * gVar)
 
 #define KEY_BUFFER_SIZE 300
 
-GValue *mkdg_g_settings_read_value(GSettings * settings,
-                                   GValue * value, const gchar * key)
-{
+GValue *mkdg_g_settings_read_value(GSettings *settings, GValue *value,
+                                   const gchar *key) {
     GVariant *confValue = g_settings_get_value(settings, key);
 
     mkdg_log(DEBUG, "mkdg_g_settings_read_value(-,-,%s)", key);
@@ -80,38 +79,30 @@ GValue *mkdg_g_settings_read_value(GSettings * settings,
     return value;
 }
 
-
 /*============================================
  * Interface routines
  */
-gchar *mkdg_g_settings_backend_get_key(MkdgBackend * backend,
-                                       const gchar * section,
-                                       const gchar * key, gpointer userData)
-{
-    return (gchar *) key;
+gchar *mkdg_g_settings_backend_get_key(MkdgBackend *backend,
+                                       const gchar *section, const gchar *key,
+                                       gpointer userData) {
+    return (gchar *)key;
 }
 
-GValue *mkdg_g_settings_backend_read_value(MkdgBackend * backend,
-                                           GValue * value,
-                                           const gchar * section,
-                                           const gchar * key, gpointer userData)
-{
-    GSettings *config = (GSettings *) backend->config;
+GValue *mkdg_g_settings_backend_read_value(MkdgBackend *backend, GValue *value,
+                                           const gchar *section,
+                                           const gchar *key,
+                                           gpointer userData) {
+    GSettings *config = (GSettings *)backend->config;
 
     return mkdg_g_settings_read_value(config, value, key);
 }
 
-
-gboolean mkdg_g_settings_backend_write_value(MkdgBackend *
-                                             backend,
-                                             GValue *
-                                             value,
-                                             const gchar *
-                                             section,
-                                             const gchar *
-                                             key, gpointer userData)
-{
-    GSettings *config = (GSettings *) backend->config;
+gboolean mkdg_g_settings_backend_write_value(MkdgBackend *backend,
+                                             GValue *value,
+                                             const gchar *section,
+                                             const gchar *key,
+                                             gpointer userData) {
+    GSettings *config = (GSettings *)backend->config;
     GVariant *confValue = g_variant_ref_sink(mkdg_g_value_to_g_variant(value));
 
     mkdg_log(DEBUG, "mkdg_g_settings_write_value(-,%s,%s) %s",
@@ -122,22 +113,20 @@ gboolean mkdg_g_settings_backend_write_value(MkdgBackend *
     g_settings_sync();
     if (!result) {
         mkdg_log(ERROR,
-                 "mkdg_g_settings_backend_write_value(-,%s,%s,%s,-): Fail g_settings_set_value",
+                 "mkdg_g_settings_backend_write_value(-,%s,%s,%s,-): Fail "
+                 "g_settings_set_value",
                  mkdg_g_value_to_string(value), section, key);
     }
     g_variant_unref(confValue);
     return result;
 }
 
-MkdgBackend *mkdg_g_settings_backend_new(const gchar *
-                                         schemaId,
-                                         const gchar *
-                                         basePath, gpointer auxData)
-{
+MkdgBackend *mkdg_g_settings_backend_new(const gchar *schemaId,
+                                         const gchar *basePath,
+                                         gpointer auxData) {
     GSettings *client = g_settings_new(schemaId);
-    MkdgBackend *result =
-        mkdg_backend_new(GSETTINGS_BACKEND_ID, (gpointer) client, basePath,
-                         auxData);
+    MkdgBackend *result = mkdg_backend_new(GSETTINGS_BACKEND_ID,
+                                           (gpointer)client, basePath, auxData);
 
     result->getKeyFunc = mkdg_g_settings_backend_get_key;
     result->readFunc = mkdg_g_settings_backend_read_value;

src/GSettingsBackend.h

@@ -16,7 +16,8 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
+ * USA.
  */
 
 /**
@@ -30,17 +31,16 @@
  */
 
 #ifndef _MKDG_GSETTINGS_BACKEND_H_
-#    define _MKDG_GSETTINGS_BACKEND_H_
-#    include <stdio.h>
-#    include <glib.h>
-#    include <gio/gio.h>
-#    include "MakerDialogPropertySpec.h"
-#    include "MakerDialogBackend.h"
-#    define GSETTINGS_BACKEND_ID "gsettings"
-
-GValue *mkdg_g_settings_read_value(GSettings * settings,
-                                   GValue * value, const gchar * key);
+#define _MKDG_GSETTINGS_BACKEND_H_
+#include "MakerDialogBackend.h"
+#include "MakerDialogPropertySpec.h"
+#include <gio/gio.h>
+#include <glib.h>
+#include <stdio.h>
+#define GSETTINGS_BACKEND_ID "gsettings"
 
+GValue *mkdg_g_settings_read_value(GSettings *settings, GValue *value,
+                                   const gchar *key);
 
 /**
  * mkdg_g_settings_backend_new:
@@ -52,8 +52,8 @@ GValue *mkdg_g_settings_read_value(GSettings * settings,
  *
  */
 
-MkdgBackend *mkdg_g_settings_backend_new(const gchar * schemaId,
-                                         const gchar * basePath,
+MkdgBackend *mkdg_g_settings_backend_new(const gchar *schemaId,
+                                         const gchar *basePath,
                                          gpointer auxData);
 
-#endif                          /* _MKDG_GSETTINGS_BACKEND_H_ */
+#endif /* _MKDG_GSETTINGS_BACKEND_H_ */