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api: Rename LinearComponents.linear to Component.compose
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Closes #225
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zml2008 committed Jan 11, 2021
1 parent 9e959f0 commit 9f54bd1
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Showing 4 changed files with 67 additions and 43 deletions.
Original file line number Diff line number Diff line change
Expand Up @@ -73,6 +73,10 @@ static <T> List<T> addOne(final List<T> oldList, final T newElement) {
return newList;
}

static IllegalStateException nothingComponentLike() {
return new IllegalStateException("Cannot build component linearly - nothing component-like was given");
}

/**
* The list of children.
*/
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53 changes: 53 additions & 0 deletions api/src/main/java/net/kyori/adventure/text/Component.java
Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,7 @@
import net.kyori.adventure.text.event.HoverEvent;
import net.kyori.adventure.text.event.HoverEventSource;
import net.kyori.adventure.text.format.Style;
import net.kyori.adventure.text.format.StyleBuilderApplicable;
import net.kyori.adventure.text.format.TextColor;
import net.kyori.adventure.text.format.TextDecoration;
import net.kyori.adventure.text.serializer.ComponentSerializer;
Expand Down Expand Up @@ -157,6 +158,58 @@ public interface Component extends ComponentBuilderApplicable, ComponentLike, Ex
return builder.build();
}

/**
* Compose a series of elements (styles and contents) into a component.
*
* <p>Styles apply to all components after them until a conflicting style is discovered</p>
* <pre>
* Component message = LinearComponents.linear(NamedTextColor.RED, translatable("welcome.message"), TextDecoration.BOLD, text(" SERVER));
* </pre>
* In this example all the text is red, but only the last word is bold.
* <pre>
* Component message = LinearComponents.linear(NamedTextColor.GREEN, text("I am green. "), NamedTextColor.GRAY, text("I am gray."));
* </pre>
* In this example, the first text is green and the second is gray.
*
* @param applicables the things used to make the component
* @return a component
* @since 4.4.0
*/
static @NonNull Component compose(final @NonNull ComponentBuilderApplicable@NonNull... applicables) {
final int length = applicables.length;
if(length == 0) return Component.empty();
if(length == 1) {
final ComponentBuilderApplicable ap0 = applicables[0];
if(ap0 instanceof ComponentLike) {
return ((ComponentLike) ap0).asComponent();
}
throw AbstractComponent.nothingComponentLike();
}
final TextComponentImpl.BuilderImpl builder = new TextComponentImpl.BuilderImpl();
Style.Builder style = null;
for(int i = 0; i < length; i++) {
final ComponentBuilderApplicable applicable = applicables[i];
if(applicable instanceof StyleBuilderApplicable) {
if(style == null) {
style = Style.style();
}
style.apply((StyleBuilderApplicable) applicable);
} else if(style != null && applicable instanceof ComponentLike) {
builder.applicableApply(((ComponentLike) applicable).asComponent().style(style));
} else {
builder.applicableApply(applicable);
}
}
final int size = builder.children.size();
if(size == 0) {
throw AbstractComponent.nothingComponentLike();
} else if(size == 1) {
return builder.children.get(0);
} else {
return builder.build();
}
}

/*
* ---------------------------
* ---- BlockNBTComponent ----
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39 changes: 3 additions & 36 deletions api/src/main/java/net/kyori/adventure/text/LinearComponents.java
Original file line number Diff line number Diff line change
Expand Up @@ -24,7 +24,6 @@
package net.kyori.adventure.text;

import net.kyori.adventure.text.format.Style;
import net.kyori.adventure.text.format.StyleBuilderApplicable;
import org.checkerframework.checker.nullness.qual.NonNull;

/**
Expand All @@ -50,43 +49,11 @@ private LinearComponents() {
* @param applicables the things used to make the component
* @return a component
* @since 4.0.0
* @deprecated for removal since 4.4.0. Use {@link Component#compose(ComponentBuilderApplicable...)} instead
*/
@Deprecated
public static @NonNull Component linear(final @NonNull ComponentBuilderApplicable@NonNull... applicables) {
final int length = applicables.length;
if(length == 0) return Component.empty();
if(length == 1) {
final ComponentBuilderApplicable ap0 = applicables[0];
if(ap0 instanceof ComponentLike) {
return ((ComponentLike) ap0).asComponent();
}
throw nothingComponentLike();
}
final TextComponentImpl.BuilderImpl builder = new TextComponentImpl.BuilderImpl();
Style.Builder style = null;
for(int i = 0; i < length; i++) {
final ComponentBuilderApplicable applicable = applicables[i];
if(applicable instanceof StyleBuilderApplicable) {
if(style == null) {
style = Style.style();
}
style.apply((StyleBuilderApplicable) applicable);
} else if(style != null && applicable instanceof ComponentLike) {
builder.applicableApply(((ComponentLike) applicable).asComponent().style(style));
} else {
builder.applicableApply(applicable);
}
}
final int size = builder.children.size();
if(size == 0) {
throw nothingComponentLike();
} else if(size == 1) {
return builder.children.get(0);
} else {
return builder.build();
}
return Component.compose(applicables);
}

private static IllegalStateException nothingComponentLike() {
return new IllegalStateException("Cannot build component linearly - nothing component-like was given");
}
}
Original file line number Diff line number Diff line change
Expand Up @@ -34,28 +34,28 @@
import static org.junit.jupiter.api.Assertions.assertSame;
import static org.junit.jupiter.api.Assertions.assertThrows;

class LinearComponentsTest {
class ComponentComposeTest {
@Test
void testEmpty() {
assertSame(Component.empty(), LinearComponents.linear());
assertSame(Component.empty(), Component.compose());
}

@Test
void testNothingComponentLike() {
assertThrows(IllegalStateException.class, () -> LinearComponents.linear(TextDecoration.BOLD));
assertThrows(IllegalStateException.class, () -> LinearComponents.linear(TextDecoration.BOLD, TextColor.color(0xaa0000)));
assertThrows(IllegalStateException.class, () -> Component.compose(TextDecoration.BOLD));
assertThrows(IllegalStateException.class, () -> Component.compose(TextDecoration.BOLD, TextColor.color(0xaa0000)));
}

@Test
void testSingleComponentLike() {
final Component c0 = Component.text("kittens");
assertSame(c0, LinearComponents.linear(c0));
assertSame(c0, Component.compose(c0));
}

@Test
void testSimpleText() {
final Component c0 = Component.text("kittens", NamedTextColor.DARK_PURPLE);
assertEquals(c0, LinearComponents.linear(NamedTextColor.DARK_PURPLE, Component.text().content("kittens")));
assertEquals(c0, Component.compose(NamedTextColor.DARK_PURPLE, Component.text().content("kittens")));
}

@Test
Expand All @@ -64,7 +64,7 @@ void testAdvancedText() {
.append(Component.text("kittens", NamedTextColor.DARK_PURPLE))
.append(Component.text("cats", Style.style(NamedTextColor.DARK_AQUA, TextDecoration.BOLD, HoverEvent.showText(Component.text("are adorable!")))))
.build();
assertEquals(c0, LinearComponents.linear(
assertEquals(c0, Component.compose(
NamedTextColor.DARK_PURPLE, Component.text().content("kittens"),
NamedTextColor.DARK_AQUA, TextDecoration.BOLD, HoverEvent.showText(Component.text("are adorable!")), Component.text().content("cats")
));
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