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#2725: Various improvements to chat API

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* More versatile ComponentBuilder system
    - Allow creating a builder without an initial component
    - Duplicate the parts when component is created
    - Add getter for 'parts'
* Added cursor API for more fluid component modifying
* Don't legacy convert Titles on 1.11 or newer
* Simplify plain and legacy text converting code
    - Shares the addFormat method between all superclasses
    - Duplicate code in TranslatableComponent moved in separate method
This commit is contained in:
Mystiflow 2020-01-05 10:33:44 +11:00 committed by md_5
parent 7ed4c41d39
commit d2ceccd646
11 changed files with 355 additions and 159 deletions
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25
chat/src/main/java/net/md_5/bungee/api/chat/BaseComponent.java
View File

@ -505,4 +505,29 @@ public abstract class BaseComponent
}
}
}
void addFormat(StringBuilder builder)
{
builder.append( getColor() );
if ( isBold() )
{
builder.append( ChatColor.BOLD );
}
if ( isItalic() )
{
builder.append( ChatColor.ITALIC );
}
if ( isUnderlined() )
{
builder.append( ChatColor.UNDERLINE );
}
if ( isStrikethrough() )
{
builder.append( ChatColor.STRIKETHROUGH );
}
if ( isObfuscated() )
{
builder.append( ChatColor.MAGIC );
}
}
}

186
chat/src/main/java/net/md_5/bungee/api/chat/ComponentBuilder.java
View File

@ -3,6 +3,8 @@ package net.md_5.bungee.api.chat;
import com.google.common.base.Preconditions;
import java.util.ArrayList;
import java.util.List;
import lombok.Getter;
import lombok.NoArgsConstructor;
import net.md_5.bungee.api.ChatColor;
/**
@ -23,11 +25,29 @@ import net.md_5.bungee.api.ChatColor;
* part's formatting
* </p>
*/
@NoArgsConstructor
public final class ComponentBuilder
{
private BaseComponent current;
/**
* The position for the current part to modify. Modified cursors will
* automatically reset to the last part after appending new components.
* Default value at -1 to assert that the builder has no parts.
*/
@Getter
private int cursor = -1;
@Getter
private final List<BaseComponent> parts = new ArrayList<BaseComponent>();
private BaseComponent dummy;
private ComponentBuilder(BaseComponent[] parts)
{
for ( BaseComponent baseComponent : parts )
{
this.parts.add( baseComponent.duplicate() );
}
resetCursor();
}
/**
* Creates a ComponentBuilder from the other given ComponentBuilder to clone
@ -37,11 +57,7 @@ public final class ComponentBuilder
*/
public ComponentBuilder(ComponentBuilder original)
{
current = original.current.duplicate();
for ( BaseComponent baseComponent : original.parts )
{
parts.add( baseComponent.duplicate() );
}
this( original.parts.toArray( new BaseComponent[ original.parts.size() ] ) );
}
/**
@ -51,7 +67,7 @@ public final class ComponentBuilder
*/
public ComponentBuilder(String text)
{
current = new TextComponent( text );
this( new TextComponent( text ) );
}
/**
@ -61,7 +77,58 @@ public final class ComponentBuilder
*/
public ComponentBuilder(BaseComponent component)
{
current = component.duplicate();
this( new BaseComponent[]
{
component
} );
}
private BaseComponent getDummy()
{
if ( dummy == null )
{
dummy = new BaseComponent()
{
@Override
public BaseComponent duplicate()
{
return this;
}
};
}
return dummy;
}
/**
* Resets the cursor to index of the last element.
*
* @return this ComponentBuilder for chaining
*/
public ComponentBuilder resetCursor()
{
cursor = parts.size() - 1;
return this;
}
/**
* Sets the position of the current component to be modified
*
* @param pos the cursor position synonymous to an element position for a
* list
* @throws IndexOutOfBoundsException if the index is out of range
* ({@code index < 0 || index >= size()})
* @return this ComponentBuilder for chaining
*/
public ComponentBuilder setCursor(int pos) throws IndexOutOfBoundsException
{
if ( ( this.cursor != pos ) && ( pos < 0 || pos >= parts.size() ) )
{
throw new IndexOutOfBoundsException( "Cursor out of bounds (expected between 0 + " + ( parts.size() - 1 ) + ")" );
}
this.cursor = pos;
return this;
}
/**
@ -88,11 +155,18 @@ public final class ComponentBuilder
*/
public ComponentBuilder append(BaseComponent component, FormatRetention retention)
{
parts.add( current );
BaseComponent previous = current;
current = component.duplicate();
current.copyFormatting( previous, retention, false );
BaseComponent previous = ( parts.isEmpty() ) ? null : parts.get( parts.size() - 1 );
if ( previous == null )
{
previous = dummy;
dummy = null;
}
if ( previous != null )
{
component.copyFormatting( previous, retention, false );
}
parts.add( component );
resetCursor();
return this;
}
@ -122,13 +196,9 @@ public final class ComponentBuilder
{
Preconditions.checkArgument( components.length != 0, "No components to append" );
BaseComponent previous = current;
for ( BaseComponent component : components )
{
parts.add( current );
current = component.duplicate();
current.copyFormatting( previous, retention, false );
append( component, retention );
}
return this;
@ -170,13 +240,7 @@ public final class ComponentBuilder
*/
public ComponentBuilder append(String text, FormatRetention retention)
{
parts.add( current );
BaseComponent old = current;
current = new TextComponent( text );
current.copyFormatting( old, retention, false );
return this;
return append( new TextComponent( text ), retention );
}
/**
@ -210,6 +274,44 @@ public final class ComponentBuilder
return joiner.join( this, retention );
}
/**
* Remove the component part at the position of given index.
*
* @param pos the index to remove at
* @throws IndexOutOfBoundsException if the index is out of range
* ({@code index < 0 || index >= size()})
*/
public void removeComponent(int pos) throws IndexOutOfBoundsException
{
if ( parts.remove( pos ) != null )
{
resetCursor();
}
}
/**
* Gets the component part at the position of given index.
*
* @param pos the index to find
* @return the component
* @throws IndexOutOfBoundsException if the index is out of range
* ({@code index < 0 || index >= size()})
*/
public BaseComponent getComponent(int pos) throws IndexOutOfBoundsException
{
return parts.get( pos );
}
/**
* Gets the component at the position of the cursor.
*
* @return the active component or null if builder is empty
*/
public BaseComponent getCurrentComponent()
{
return ( cursor == -1 ) ? getDummy() : parts.get( cursor );
}
/**
* Sets the color of the current part.
*
@ -218,7 +320,7 @@ public final class ComponentBuilder
*/
public ComponentBuilder color(ChatColor color)
{
current.setColor( color );
getCurrentComponent().setColor( color );
return this;
}
@ -230,7 +332,7 @@ public final class ComponentBuilder
*/
public ComponentBuilder bold(boolean bold)
{
current.setBold( bold );
getCurrentComponent().setBold( bold );
return this;
}
@ -242,7 +344,7 @@ public final class ComponentBuilder
*/
public ComponentBuilder italic(boolean italic)
{
current.setItalic( italic );
getCurrentComponent().setItalic( italic );
return this;
}
@ -254,7 +356,7 @@ public final class ComponentBuilder
*/
public ComponentBuilder underlined(boolean underlined)
{
current.setUnderlined( underlined );
getCurrentComponent().setUnderlined( underlined );
return this;
}
@ -266,7 +368,7 @@ public final class ComponentBuilder
*/
public ComponentBuilder strikethrough(boolean strikethrough)
{
current.setStrikethrough( strikethrough );
getCurrentComponent().setStrikethrough( strikethrough );
return this;
}
@ -278,7 +380,7 @@ public final class ComponentBuilder
*/
public ComponentBuilder obfuscated(boolean obfuscated)
{
current.setObfuscated( obfuscated );
getCurrentComponent().setObfuscated( obfuscated );
return this;
}
@ -290,7 +392,7 @@ public final class ComponentBuilder
*/
public ComponentBuilder insertion(String insertion)
{
current.setInsertion( insertion );
getCurrentComponent().setInsertion( insertion );
return this;
}
@ -302,7 +404,7 @@ public final class ComponentBuilder
*/
public ComponentBuilder event(ClickEvent clickEvent)
{
current.setClickEvent( clickEvent );
getCurrentComponent().setClickEvent( clickEvent );
return this;
}
@ -314,7 +416,7 @@ public final class ComponentBuilder
*/
public ComponentBuilder event(HoverEvent hoverEvent)
{
current.setHoverEvent( hoverEvent );
getCurrentComponent().setHoverEvent( hoverEvent );
return this;
}
@ -336,24 +438,28 @@ public final class ComponentBuilder
*/
public ComponentBuilder retain(FormatRetention retention)
{
current.retain( retention );
getCurrentComponent().retain( retention );
return this;
}
/**
* Returns the components needed to display the message created by this
* builder.
* builder.git
*
* @return the created components
*/
public BaseComponent[] create()
{
BaseComponent[] result = parts.toArray( new BaseComponent[ parts.size() + 1 ] );
result[parts.size()] = current;
return result;
BaseComponent[] cloned = new BaseComponent[ parts.size() ];
int i = 0;
for ( BaseComponent part : parts )
{
cloned[i++] = part.duplicate();
}
return cloned;
}
public static enum FormatRetention
public enum FormatRetention
{
/**

24
chat/src/main/java/net/md_5/bungee/api/chat/KeybindComponent.java
View File

@ -5,7 +5,6 @@ import lombok.Getter;
import lombok.NoArgsConstructor;
import lombok.Setter;
import lombok.ToString;
import net.md_5.bungee.api.ChatColor;
@Getter
@Setter
@ -60,29 +59,8 @@ public final class KeybindComponent extends BaseComponent
@Override
protected void toLegacyText(StringBuilder builder)
{
builder.append( getColor() );
if ( isBold() )
{
builder.append( ChatColor.BOLD );
}
if ( isItalic() )
{
builder.append( ChatColor.ITALIC );
}
if ( isUnderlined() )
{
builder.append( ChatColor.UNDERLINE );
}
if ( isStrikethrough() )
{
builder.append( ChatColor.STRIKETHROUGH );
}
if ( isObfuscated() )
{
builder.append( ChatColor.MAGIC );
}
addFormat( builder );
builder.append( getKeybind() );
super.toLegacyText( builder );
}
}

8
chat/src/main/java/net/md_5/bungee/api/chat/ScoreComponent.java
View File

@ -84,9 +84,17 @@ public final class ScoreComponent extends BaseComponent
return new ScoreComponent( this );
}
@Override
protected void toPlainText(StringBuilder builder)
{
builder.append( this.value );
super.toPlainText( builder );
}
@Override
protected void toLegacyText(StringBuilder builder)
{
addFormat( builder );
builder.append( this.value );
super.toLegacyText( builder );
}

8
chat/src/main/java/net/md_5/bungee/api/chat/SelectorComponent.java
View File

@ -50,9 +50,17 @@ public final class SelectorComponent extends BaseComponent
return new SelectorComponent( this );
}
@Override
protected void toPlainText(StringBuilder builder)
{
builder.append( this.selector );
super.toPlainText( builder );
}
@Override
protected void toLegacyText(StringBuilder builder)
{
addFormat( builder );
builder.append( this.selector );
super.toLegacyText( builder );
}

45
chat/src/main/java/net/md_5/bungee/api/chat/TextComponent.java
View File

@ -2,6 +2,7 @@ package net.md_5.bungee.api.chat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import lombok.AllArgsConstructor;
@ -172,8 +173,26 @@ public final class TextComponent extends BaseComponent
*/
public TextComponent(BaseComponent... extras)
{
setText( "" );
setExtra( new ArrayList<BaseComponent>( Arrays.asList( extras ) ) );
if ( extras.length == 0 )
{
return;
}
if ( extras.length == 1 && extras[0] instanceof TextComponent )
{
setText( ( (TextComponent) extras[0] ).getText() );
List<BaseComponent> headExtra = extras[0].getExtra();
if ( headExtra != null )
{
for ( BaseComponent extra : headExtra )
{
addExtra( extra.duplicate() );
}
}
} else
{
setText( "" );
setExtra( new ArrayList<BaseComponent>( Arrays.asList( extras ) ) );
}
}
/**
@ -197,27 +216,7 @@ public final class TextComponent extends BaseComponent
@Override
protected void toLegacyText(StringBuilder builder)
{
builder.append( getColor() );
if ( isBold() )
{
builder.append( ChatColor.BOLD );
}
if ( isItalic() )
{
builder.append( ChatColor.ITALIC );
}
if ( isUnderlined() )
{
builder.append( ChatColor.UNDERLINE );
}
if ( isStrikethrough() )
{
builder.append( ChatColor.STRIKETHROUGH );
}
if ( isObfuscated() )
{
builder.append( ChatColor.MAGIC );
}
addFormat( builder );
builder.append( text );
super.toLegacyText( builder );
}

91
chat/src/main/java/net/md_5/bungee/api/chat/TranslatableComponent.java
View File

@ -9,7 +9,6 @@ import lombok.Getter;
import lombok.NoArgsConstructor;
import lombok.Setter;
import lombok.ToString;
import net.md_5.bungee.api.ChatColor;
import net.md_5.bungee.chat.TranslationRegistry;
@Getter
@ -139,43 +138,18 @@ public final class TranslatableComponent extends BaseComponent
@Override
protected void toPlainText(StringBuilder builder)
{
String trans = TranslationRegistry.INSTANCE.translate( translate );
Matcher matcher = format.matcher( trans );
int position = 0;
int i = 0;
while ( matcher.find( position ) )
{
int pos = matcher.start();
if ( pos != position )
{
builder.append( trans.substring( position, pos ) );
}
position = matcher.end();
String formatCode = matcher.group( 2 );
switch ( formatCode.charAt( 0 ) )
{
case 's':
case 'd':
String withIndex = matcher.group( 1 );
with.get( withIndex != null ? Integer.parseInt( withIndex ) - 1 : i++ ).toPlainText( builder );
break;
case '%':
builder.append( '%' );
break;
}
}
if ( trans.length() != position )
{
builder.append( trans.substring( position, trans.length() ) );
}
convert( builder, false );
super.toPlainText( builder );
}
@Override
protected void toLegacyText(StringBuilder builder)
{
convert( builder, true );
super.toLegacyText( builder );
}
private void convert(StringBuilder builder, boolean applyFormat)
{
String trans = TranslationRegistry.INSTANCE.translate( translate );
@ -187,7 +161,10 @@ public final class TranslatableComponent extends BaseComponent
int pos = matcher.start();
if ( pos != position )
{
addFormat( builder );
if ( applyFormat )
{
addFormat( builder );
}
builder.append( trans.substring( position, pos ) );
}
position = matcher.end();
@ -198,44 +175,32 @@ public final class TranslatableComponent extends BaseComponent
case 's':
case 'd':
String withIndex = matcher.group( 1 );
with.get( withIndex != null ? Integer.parseInt( withIndex ) - 1 : i++ ).toLegacyText( builder );
BaseComponent withComponent = with.get( withIndex != null ? Integer.parseInt( withIndex ) - 1 : i++ );
if ( applyFormat )
{
withComponent.toLegacyText( builder );
} else
{
withComponent.toPlainText( builder );
}
break;
case '%':
addFormat( builder );
if ( applyFormat )
{
addFormat( builder );
}
builder.append( '%' );
break;
}
}
if ( trans.length() != position )
{
addFormat( builder );
if ( applyFormat )
{
addFormat( builder );
}
builder.append( trans.substring( position, trans.length() ) );
}
super.toLegacyText( builder );
}
private void addFormat(StringBuilder builder)
{
builder.append( getColor() );
if ( isBold() )
{
builder.append( ChatColor.BOLD );
}
if ( isItalic() )
{
builder.append( ChatColor.ITALIC );
}
if ( isUnderlined() )
{
builder.append( ChatColor.UNDERLINE );
}
if ( isStrikethrough() )
{
builder.append( ChatColor.STRIKETHROUGH );
}
if ( isObfuscated() )
{
builder.append( ChatColor.MAGIC );
}
}
}

2
chat/src/main/java/net/md_5/bungee/chat/TranslatableComponentSerializer.java
View File

@ -24,7 +24,7 @@ public class TranslatableComponentSerializer extends BaseComponentSerializer imp
component.setTranslate( object.get( "translate" ).getAsString() );
if ( object.has( "with" ) )
{
component.setWith( Arrays.asList( (BaseComponent[]) context.deserialize( object.get( "with" ), BaseComponent[].class ) ) );
component.setWith( Arrays.asList( context.<BaseComponent>deserialize( object.get( "with" ), BaseComponent[].class ) ) );
}
return component;
}

108
chat/src/test/java/net/md_5/bungee/api/chat/ComponentsTest.java
View File

@ -11,16 +11,112 @@ import org.junit.Test;
public class ComponentsTest
{
@Test
public void testEmptyComponentBuilder()
{
ComponentBuilder builder = new ComponentBuilder();
BaseComponent[] parts = builder.create();
Assert.assertEquals( parts.length, 0 );
for ( int i = 0; i < 3; i++ )
{
builder.append( "part:" + i );
parts = builder.create();
Assert.assertEquals( parts.length, i + 1 );
}
}
@Test
public void testDummyRetaining()
{
ComponentBuilder builder = new ComponentBuilder();
Assert.assertNotNull( builder.getCurrentComponent() );
builder.color( ChatColor.GREEN );
builder.append( "test ", ComponentBuilder.FormatRetention.ALL );
Assert.assertEquals( builder.getCurrentComponent().getColor(), ChatColor.GREEN );
}
@Test(expected = IndexOutOfBoundsException.class)
public void testComponentGettingExceptions()
{
ComponentBuilder builder = new ComponentBuilder();
builder.getComponent( -1 );
builder.getComponent( 0 );
builder.getComponent( 1 );
BaseComponent component = new TextComponent( "Hello" );
builder.append( component );
Assert.assertEquals( builder.getComponent( 0 ), component );
builder.getComponent( 1 );
}
@Test
public void testComponentParting()
{
ComponentBuilder builder = new ComponentBuilder();
TextComponent apple = new TextComponent( "apple" );
builder.append( apple );
Assert.assertEquals( builder.getCurrentComponent(), apple );
Assert.assertEquals( builder.getComponent( 0 ), apple );
TextComponent mango = new TextComponent( "mango" );
TextComponent orange = new TextComponent( "orange" );
builder.append( mango );
builder.append( orange );
builder.removeComponent( 1 ); // Removing mango
Assert.assertEquals( builder.getComponent( 0 ), apple );
Assert.assertEquals( builder.getComponent( 1 ), orange );
}
@Test
public void testToLegacyFromLegacy()
{
String text = "§a§lHello §f§kworld§7!";
Assert.assertEquals( text, TextComponent.toLegacyText( TextComponent.fromLegacyText( text ) ) );
}
@Test(expected = IndexOutOfBoundsException.class)
public void testComponentBuilderCursorInvalidPos()
{
ComponentBuilder builder = new ComponentBuilder();
builder.append( new TextComponent( "Apple, " ) );
builder.append( new TextComponent( "Orange, " ) );
builder.setCursor( -1 );
builder.setCursor( 2 );
}
@Test
public void testComponentBuilderCursor()
{
TextComponent t1, t2, t3;
ComponentBuilder builder = new ComponentBuilder();
Assert.assertEquals( builder.getCursor(), -1 );
builder.append( t1 = new TextComponent( "Apple, " ) );
Assert.assertEquals( builder.getCursor(), 0 );
builder.append( t2 = new TextComponent( "Orange, " ) );
builder.append( t3 = new TextComponent( "Mango, " ) );
Assert.assertEquals( builder.getCursor(), 2 );
builder.setCursor( 0 );
Assert.assertEquals( builder.getCurrentComponent(), t1 );
// Test that appending new components updates the position to the new list size
// after having previously set it to 0 (first component)
builder.append( new TextComponent( "and Grapefruit" ) );
Assert.assertEquals( builder.getCursor(), 3 );
builder.setCursor( 0 );
builder.resetCursor();
Assert.assertEquals( builder.getCursor(), 3 );
}
@Test
public void testLegacyComponentBuilderAppend()
{
String text = "§a§lHello §r§kworld§7!";
BaseComponent[] components = TextComponent.fromLegacyText( text );
BaseComponent[] builderComponents = new ComponentBuilder( "" ).append( components ).create();
BaseComponent[] builderComponents = new ComponentBuilder().append( components ).create();
List<BaseComponent> list = new ArrayList<BaseComponent>( Arrays.asList( builderComponents ) );
// Remove the first element (empty text component). This needs to be done because toLegacyText always
// appends &f regardless if the color is non null or not and would otherwise mess with our unit test.
list.remove( 0 );
Assert.assertEquals(
TextComponent.toLegacyText( components ),
TextComponent.toLegacyText( list.toArray( new BaseComponent[ list.size() ] ) )
@ -28,7 +124,7 @@ public class ComponentsTest
}
@Test
public void testComponentFormatRetention()
public void testFormatRetentionCopyFormatting()
{
TextComponent first = new TextComponent( "Hello" );
first.setBold( true );
@ -47,7 +143,7 @@ public class ComponentsTest
@Test
public void testBuilderClone()
{
ComponentBuilder builder = new ComponentBuilder( "Hel" ).color( ChatColor.RED ).append( "lo" ).color( ChatColor.DARK_RED );
ComponentBuilder builder = new ComponentBuilder( "Hello " ).color( ChatColor.RED ).append( "world" ).color( ChatColor.DARK_RED );
ComponentBuilder cloned = new ComponentBuilder( builder );
Assert.assertEquals( TextComponent.toLegacyText( builder.create() ), TextComponent.toLegacyText( cloned.create() ) );

2
module/cmd-server/src/main/java/net/md_5/bungee/module/cmd/server/CommandServer.java
View File

@ -40,7 +40,7 @@ public class CommandServer extends Command implements TabExecutor
sender.sendMessage( ProxyServer.getInstance().getTranslation( "current_server", ( (ProxiedPlayer) sender ).getServer().getInfo().getName() ) );
}
ComponentBuilder serverList = new ComponentBuilder( "" ).appendLegacy( ProxyServer.getInstance().getTranslation( "server_list" ) );
ComponentBuilder serverList = new ComponentBuilder().appendLegacy( ProxyServer.getInstance().getTranslation( "server_list" ) );
boolean first = true;
for ( ServerInfo server : servers.values() )
{

15
proxy/src/main/java/net/md_5/bungee/UserConnection.java
View File

@ -51,6 +51,7 @@ import net.md_5.bungee.protocol.MinecraftDecoder;
import net.md_5.bungee.protocol.MinecraftEncoder;
import net.md_5.bungee.protocol.PacketWrapper;
import net.md_5.bungee.protocol.Protocol;
import net.md_5.bungee.protocol.ProtocolConstants;
import net.md_5.bungee.protocol.packet.Chat;
import net.md_5.bungee.protocol.packet.ClientSettings;
import net.md_5.bungee.protocol.packet.Kick;
@ -453,10 +454,20 @@ public final class UserConnection implements ProxiedPlayer
// transform score components
message = ChatComponentTransformer.getInstance().transform( this, message );
// Action bar doesn't display the new JSON formattings, legacy works - send it using this for now
if ( position == ChatMessageType.ACTION_BAR )
{
sendMessage( position, ComponentSerializer.toString( new TextComponent( BaseComponent.toLegacyText( message ) ) ) );
// Versions older than 1.11 cannot send the Action bar with the new JSON formattings
// Fix by converting to a legacy message, see https://bugs.mojang.com/browse/MC-119145
if ( ProxyServer.getInstance().getProtocolVersion() <= ProtocolConstants.MINECRAFT_1_10 )
{
sendMessage( position, ComponentSerializer.toString( new TextComponent( BaseComponent.toLegacyText( message ) ) ) );
} else
{
net.md_5.bungee.protocol.packet.Title title = new net.md_5.bungee.protocol.packet.Title();
title.setAction( net.md_5.bungee.protocol.packet.Title.Action.ACTIONBAR );
title.setText( ComponentSerializer.toString( message ) );
unsafe.sendPacket( title );
}
} else
{
sendMessage( position, ComponentSerializer.toString( message ) );