partial fix issues/100

Tests/TestConversionEngine.mm

@@ -141,12 +141,15 @@ - (void)testGetPinyinCandidates {
     XCTAssertTrue(candidates.count == 4);
     NSArray *words3 = [candidates subarrayWithRange:NSMakeRange(0, 3)];
     XCTAssertTrue([[words3 componentsJoinedByString:@";"] isEqualToString:@"xihongshi;西红柿;tomato"]);
-    
+
     NSArray *candidates2 = [self.engine getCandidates:@"xhs"];
     XCTAssertTrue(candidates2.count == 26);
     NSArray *words = [candidates2 subarrayWithRange:NSMakeRange(0, 26)];
     XCTAssertTrue([[words componentsJoinedByString:@";"]
-                   isEqualToString:@"xhs;新华社;Xinhua News Agency;西红柿;tomato;CL:隻|只;循环赛;round-robin tournament;新化市;Xinhua city in Hunan;新会市;Xinhui city in Guangdong;消火栓;fire hydrant;猩红色;scarlet (color);兴化市;Xinghua county level city in Taizhou 泰州;蟹黄水;crab roe;crab spawn;(used for crab meat in general);血红素;hemoglobin;须后水;aftershave"]);
+        isEqualToString:
+            @"xhs;新华社;Xinhua News Agency;西红柿;tomato;CL:隻|只;循环赛;round-robin tournament;新化市;Xinhua city in Hunan;新会市;Xinhui "
+            @"city in Guangdong;消火栓;fire hydrant;猩红色;scarlet (color);兴化市;Xinghua county level city in Taizhou 泰州;蟹黄水;crab "
+            @"roe;crab spawn;(used for crab meat in general);血红素;hemoglobin;须后水;aftershave"]);
 }
 
 @end

src/AnnotationWinController.m

@@ -25,7 +25,7 @@ - (void)awakeFromNib {
 
     // Make sure panel can float over full screen apps
     self.panel.collectionBehavior = NSWindowCollectionBehaviorCanJoinAllSpaces;
-    
+
     [self.panel setStyleMask:NSWindowStyleMaskBorderless];
 
     [self performSelector:@selector(hideWindow) withObject:nil afterDelay:0.01];

src/ConversionEngine.mm

@@ -139,7 +139,7 @@ - (NSArray *)sortByDamerauLevenshteinDistance:(NSArray *)original inputText:(NSS
     for (NSString *word in original) {
         NSUInteger distance = [text mdc_levenshteinDistanceTo:word];
         if (distance <= 3) { // Max edit distance: 3
-            [mutableArray addObject:@{ @"w" : word, @"d" : @(distance) }];
+            [mutableArray addObject:@{@"w" : word, @"d" : @(distance)}];
         }
     }
     NSSortDescriptor *descriptor = [[NSSortDescriptor alloc] initWithKey:@"d" ascending:YES];

src/InputController.mm

@@ -191,8 +191,12 @@ - (void)commitComposition:(id)sender {
         text = [self originalBuffer];
     }
     BOOL commitWordWithSpace = [preference boolForKey:@"commitWordWithSpace"];
+
     if (commitWordWithSpace && text.length > 0) {
-        text = [NSString stringWithFormat:@"%@ ", text];
+        char firstChar = [text characterAtIndex:0];
+        if (![[NSCharacterSet decimalDigitCharacterSet] characterIsMember:firstChar]) {
+            text = [NSString stringWithFormat:@"%@ ", text];
+        }
     }
 
     [sender insertText:text replacementRange:NSMakeRange(NSNotFound, NSNotFound)];

src/main.mm

@@ -56,11 +56,10 @@ void deactivateInputSource() {
 
 void initPreference() {
     preference = [NSUserDefaults standardUserDefaults];
-    NSDictionary *defaultPrefs = @{ @"commitWordWithSpace" : @YES, @"showTranslation" : @YES };
+    NSDictionary *defaultPrefs = @{@"commitWordWithSpace" : @YES, @"showTranslation" : @YES};
     [preference registerDefaults:defaultPrefs];
 }
 
-
 int main(int argc, char *argv[]) {
     if (argc > 1 && !strcmp("--install", argv[1])) {
         registerInputSource();
@@ -84,7 +83,7 @@ int main(int argc, char *argv[]) {
     [[NSBundle mainBundle] loadNibNamed:@"AnnotationWindow" owner:[NSApplication sharedApplication] topLevelObjects:nil];
 
     [[NSBundle mainBundle] loadNibNamed:@"PreferencesMenu" owner:[NSApplication sharedApplication] topLevelObjects:nil];
-    
+
     initPreference();
 
     [[WebServer sharedServer] start];