From 57f4d7aa916cfdb710ec406dd0c9c58ea4521c70 Mon Sep 17 00:00:00 2001
From: Brian Dupuis <brian.dupuis@genesys.com>
Date: Tue, 27 Jul 2021 16:52:47 -0400
Subject: [PATCH] Addresses issue #8

Only `matchGrammar` on non-empty strings. Also added a maven publish setup for easier publishing to maven local for testing.
---
 prism4j/build.gradle                                | 13 +++++++++++++
 .../src/main/java/io/noties/prism4j/Prism4j.java    |  4 +++-
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/prism4j/build.gradle b/prism4j/build.gradle
index 5ac2eeb..187797c 100644
--- a/prism4j/build.gradle
+++ b/prism4j/build.gradle
@@ -1,4 +1,5 @@
 apply plugin: 'java-library'
+apply plugin: 'maven-publish'
 
 version = VERSION_NAME
 
@@ -20,3 +21,15 @@ if (project.hasProperty('release')) {
     }
     apply from: 'https://raw.githubusercontent.com/noties/gradle-mvn-push/master/gradle-mvn-push-jar.gradle'
 }
+
+publishing {
+    publications {
+        maven(MavenPublication) {
+            def libraryFile = file("build/libs/prism4j-${version}.jar")
+            groupId "io.noties"
+            artifactId 'prism4j'
+            version version
+            artifact libraryFile
+        }
+    }
+}
\ No newline at end of file
diff --git a/prism4j/src/main/java/io/noties/prism4j/Prism4j.java b/prism4j/src/main/java/io/noties/prism4j/Prism4j.java
index 4196ec2..db30b09 100644
--- a/prism4j/src/main/java/io/noties/prism4j/Prism4j.java
+++ b/prism4j/src/main/java/io/noties/prism4j/Prism4j.java
@@ -182,7 +182,9 @@ public Prism4j(@NotNull GrammarLocator grammarLocator) {
     public List<Node> tokenize(@NotNull String text, @NotNull Grammar grammar) {
         final List<Node> entries = new ArrayList<>(3);
         entries.add(new TextImpl(text));
-        matchGrammar(text, entries, grammar, 0, 0, false, null);
+        if (text.length() > 0) {
+            matchGrammar(text, entries, grammar, 0, 0, false, null);
+        }
         return entries;
     }