スマホで絵文字を入力して作成した発言もemojioneフォントで表示されるようにした

app/src/main/java/jp/juggler/subwaytooter/util/Emojione.java

@@ -4,6 +4,7 @@ import android.text.SpannableStringBuilder;
 import android.text.Spanned;
 
 import java.util.HashMap;
+import java.util.HashSet;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -15,7 +16,7 @@ public abstract class Emojione
 	private static final Pattern SHORTNAME_PATTERN = Pattern.compile(":([-+\\w]+):");
 	
 	public static final HashMap<String,String> map_name2unicode = EmojiMap._shortNameToUnicode;
-	public static final HashMap<String,String> map_unicode2name = EmojiMap._unicodeToShortName;
+	public static final HashSet<String> set_unicode = EmojiMap._unicode_set;
 
 	static class DecodeEnv{
 		SpannableStringBuilder sb = new SpannableStringBuilder();
@@ -45,46 +46,36 @@ public abstract class Emojione
 			int end = s.length();
 			while( i < end ){
 				int remain = end - i;
-				if( remain >= 4 ){
-					String check = s.substring( i, i + 4 );
-					if( map_unicode2name.containsKey( check ) ){
-						addEmoji( check );
-						i += 4;
-						continue;
-					}
+				String emoji = null;
+				for(int j = EmojiMap.max_length; j>0;--j ){
+					if( j > remain ) continue;
+					String check = s.substring( i, i + j );
+					if( ! set_unicode.contains( check ) ) continue;
+					emoji = check;
+					break;
 				}
-				if( remain >= 3 ){
-					String check = s.substring( i, i + 3 );
-					if( map_unicode2name.containsKey( check ) ){
-						addEmoji( check );
-						i += 3;
-						continue;
-					}
-				}
-				if( remain >= 2 ){
-					String check = s.substring( i, i + 2 );
-					if( map_unicode2name.containsKey( check ) ){
-						addEmoji( check );
-						i += 2;
-						continue;
-					}
-				}
-				if( remain >= 1 ){
-					String check = s.substring( i, i + 1 );
-					if( map_unicode2name.containsKey( check ) ){
-						addEmoji( check );
-						i += 1;
-						continue;
-					}
+				if( emoji != null ){
+					addEmoji( emoji );
+					i += emoji.length();
+					continue;
 				}
 				closeSpan();
-				sb.append( s.charAt( i ) );
-				++ i;
+				int length = Character.charCount(  s.codePointAt( i ) );
+				if( length == 1){
+					sb.append( s.charAt( i ) );
+					++ i;
+				}else{
+					sb.append( s.substring( i,i+length ));
+					i+= length;
+				}
 			}
 		}
 	}
 	
 	public static CharSequence decodeEmoji( String s ){
+
+		
+
 		DecodeEnv decode_env = new DecodeEnv();
 		Matcher matcher = SHORTNAME_PATTERN.matcher(s);
 		int last_end = 0;
@@ -103,13 +94,13 @@ public abstract class Emojione
 				decode_env.addEmoji( unicode );
 			}
 		}
-		// close span
-		decode_env.closeSpan();
 		// copy remain
 		int end = s.length();
 		if( end > last_end ){
 			decode_env.addUnicodeString(s.substring( last_end, end ));
 		}
+		// close span
+		decode_env.closeSpan();
 		return decode_env.sb;
 	}
 }

app/src/main/java/jp/juggler/subwaytooter/util/HTMLDecoder.java

@@ -11,6 +11,7 @@ import java.util.HashMap;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
+import jp.juggler.subwaytooter.BuildConfig;
 import jp.juggler.subwaytooter.api.entity.TootMention;
 
 public class HTMLDecoder {
@@ -207,6 +208,10 @@ public class HTMLDecoder {
 		}
 	}
 	
+	private static boolean isWhitespace( char c ){
+		return Character.isWhitespace( c ) || c == 0x0a || c == 0x0d;
+	}
+	
 	public static SpannableStringBuilder decodeHTML( LinkClickContext account, String src ){
 		try{
 			TokenParser tracker = new TokenParser( src );
@@ -217,7 +222,7 @@ public class HTMLDecoder {
 			
 			rootNode.encodeSpan( account, sb );
 			int end = sb.length();
-			while( end > 0 && Character.isWhitespace( sb.charAt( end - 1 ) ) ) -- end;
+			while( end > 0 && isWhitespace( sb.charAt( end - 1 ) ) ) -- end;
 			if( end < sb.length() ){
 				sb.delete( end, sb.length() );
 			}

app/src/main/java/jp/juggler/subwaytooter/util/Utils.java

@@ -179,6 +179,16 @@ public class Utils {
 		return a == null ? b == null : a.equals( b );
 	}
 	
+	public static CharSequence dumpCodePoints(String str){
+		StringBuilder sb = new StringBuilder();
+		for(int i=0,ie=str.length(),cp;i<ie;i+=Character.charCount(cp)){
+			cp = str.codePointAt( i );
+			sb.append( String.format( "0x%x,", cp ) );
+		}
+		return sb;
+	}
+	
+	
 	static final char[] hex = new char[]{ '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
 	
 	public static void addHex( StringBuilder sb, byte b ){