Search Syntax Highlighting

Signed-off-by: shedaniel <daniel@shedaniel.me>

1 files changed, 46 insertions, 0 deletions

diff --git a/runtime/src/main/java/me/shedaniel/rei/impl/OverlaySearchFieldSyntaxHighlighter.java b/runtime/src/main/java/me/shedaniel/rei/impl/OverlaySearchFieldSyntaxHighlighter.java
new file mode 100644
index 000000000..c63895f2c
--- /dev/null
+++ b/runtime/src/main/java/me/shedaniel/rei/impl/OverlaySearchFieldSyntaxHighlighter.java
@@ -0,0 +1,46 @@
+package me.shedaniel.rei.impl;
+
+import me.shedaniel.rei.gui.OverlaySearchField;
+import me.shedaniel.rei.impl.search.ArgumentsRegistry;
+import org.jetbrains.annotations.ApiStatus;
+
+import java.util.List;
+import java.util.function.Consumer;
+
+@ApiStatus.Internal
+public class OverlaySearchFieldSyntaxHighlighter implements Consumer<String> {
+    private final OverlaySearchField field;
+    public byte[] highlighted;
+    
+    public OverlaySearchFieldSyntaxHighlighter(OverlaySearchField field) {
+        this.field = field;
+        this.accept(field.getText());
+    }
+    
+    @Override
+    public void accept(String text) {
+        this.highlighted = new byte[text.length()];
+        SearchArgument.ProcessedSink sink = new SearchArgument.ProcessedSink() {
+            @Override
+            public void addQuote(int index) {
+                highlighted[index] = -2;
+            }
+    
+            @Override
+            public void addSplitter(int index) {
+                highlighted[index] = -1;
+            }
+        };
+        List<SearchArgument.SearchArguments> arguments = SearchArgument.processSearchTerm(text, sink);
+        for (SearchArgument.SearchArguments argument : arguments) {
+            if (!argument.isAlways()) {
+                for (SearchArgument<?, ?> searchArgument : argument.getArguments()) {
+                    int argIndex = ArgumentsRegistry.ARGUMENT_LIST.indexOf(searchArgument.getArgument()) + 1;
+                    for (int i = searchArgument.start(); i < searchArgument.end(); i++) {
+                        highlighted[i] = (byte) argIndex;
+                    }
+                }
+            }
+        }
+    }
+}