add descriptions.,,.

* Fix wrong redirect behavior

* Set foundCommand to `true` if redirect modifier returns no result.

.ado/build.yml

@@ -0,0 +1,51 @@
+name: $(Rev:r)
+
+trigger:
+  branches:
+    include:
+    - '*'
+    exclude:
+    - master
+
+pr:
+  branches:
+    include:
+    - '*'
+
+jobs:
+- job: 'Build'
+  displayName: 'Build for testing'
+
+  pool: 'MC-Build-1ES-Azure-Pipeline-Linux'
+  container: adoptopenjdk/openjdk8:latest
+
+  workspace:
+    clean: all
+
+  steps:
+  - task: Gradle@2
+    displayName: Build and Test
+    inputs:
+      workingDirectory: ''
+      gradleWrapperFile: 'gradlew'
+      gradleOptions: '-Xmx3072m'
+      options: '-PbuildNumber=0'
+      javaHomeOption: 'JDKVersion'
+      jdkUserInputPath: '/usr/java/openjdk-8'
+      testResultsFiles: '**/TEST-*.xml'
+      tasks: 'build test publish'
+
+  # This is a workaround for ComponentGovernanceComponentDetection@0 not recognizing the generated `.pom` file(s)
+  - task: Bash@3
+    displayName: Copy pom for component governance
+    inputs:
+      targetType: 'inline'
+      script: |
+        pompath=`find build/repo -name *.pom`
+        cp "${pompath}" build/pom.xml
+
+  - task: ComponentGovernanceComponentDetection@0
+    inputs:
+      scanType: 'Register'
+      verbosity: 'Verbose'
+      alertWarningLevel: 'High'

.ado/release.yml

@@ -0,0 +1,87 @@
+name: $(Rev:r)
+
+trigger:
+  branches:
+    include:
+    - master
+
+pr: none
+
+variables:
+  rConnection: 'mc-java-sc'
+  storageAccount: 'librariesminecraftnet'
+  storageAccountContainer: 'librariesminecraftnet'
+  keyVault: 'mc-java-vault'
+
+jobs:
+- job: 'Build'
+  displayName: 'Build for release'
+
+  pool: 'MC-Build-1ES-Azure-Pipeline-Linux'
+  container: adoptopenjdk/openjdk8:latest
+
+  workspace:
+    clean: all
+
+  steps:
+  - task: Gradle@2
+    displayName: Build and Test
+    inputs:
+      workingDirectory: ''
+      gradleWrapperFile: 'gradlew'
+      gradleOptions: '-Xmx3072m'
+      options: '-PbuildNumber=$(Build.BuildNumber)'
+      javaHomeOption: 'JDKVersion'
+      jdkUserInputPath: '/usr/java/openjdk-8'
+      testResultsFiles: '**/TEST-*.xml'
+      tasks: 'build test publish report'
+
+  # This is a workaround for ComponentGovernanceComponentDetection@0 not recognizing the generated `.pom` file(s)
+  - task: Bash@3
+    displayName: Copy pom for component governance
+    inputs:
+      targetType: 'inline'
+      script: |
+        pompath=`find build/repo -name *.pom`
+        cp "${pompath}" build/pom.xml
+
+  - task: ComponentGovernanceComponentDetection@0
+    inputs:
+      scanType: 'Register'
+      verbosity: 'Verbose'
+      alertWarningLevel: 'High'
+
+  - publish: 'build/repo/'
+    artifact: repo
+
+- job: 'Publish'
+  displayName: 'Publish release'
+  dependsOn: Build
+  condition: eq(variables['Build.SourceBranch'], 'refs/heads/master')
+
+  pool: 'MC-Build-1ES-Azure-Pipeline-Linux'
+
+  workspace:
+    clean: all
+
+  steps:
+  - download: current
+    artifact: repo
+
+  - task: AzureKeyVault@1
+    displayName: 'Fetching secrets'
+    name: secrets
+    inputs:
+      azureSubscription: '$(rConnection)'
+      KeyVaultName: '$(keyVault)'
+      SecretsFilter: 'access-key-prod-librariesminecraftnet'
+      RunAsPreJob: false
+
+  - task: AzureCLI@2
+    displayName: Azure CLI
+    inputs:
+      azureSubscription: '$(rConnection)'
+      scriptType: 'bash'
+      scriptLocation: 'inlineScript'
+      inlineScript: |
+        az storage blob upload-batch -s '$(Pipeline.Workspace)/repo' -d $(storageAccountContainer) --account-name $(storageAccount) --account-key $(access-key-prod-librariesminecraftnet)

.github/workflows/pr-check.yml

@@ -0,0 +1,22 @@
+name: pr-check
+
+on: [ pull_request ]
+
+jobs:
+  build:
+    name: Build and test
+    runs-on: ubuntu-latest
+    container:
+      image: adoptopenjdk/openjdk8:latest
+
+    steps:
+      - uses: actions/checkout@v3
+      - name: Build with Gradle
+        uses: gradle/gradle-build-action@v2
+        with:
+          arguments: build test
+      - name: Publish Test Report
+        uses: mikepenz/action-junit-report@v3
+        if: always()
+        with:
+          report_paths: '**/build/test-results/test/TEST-*.xml'

.travis.yml

@@ -1,17 +0,0 @@
-sudo: false
-dist: trusty
-language: java
-
-before_cache:
-  - rm -f  $HOME/.gradle/caches/modules-2/modules-2.lock
-  - rm -fr $HOME/.gradle/caches/*/plugin-resolution/
-cache:
-  directories:
-    - $HOME/.gradle/caches/
-    - $HOME/.gradle/wrapper/
-
-jdk:
-  - oraclejdk8
-
-script:
-  - ./gradlew check --info -S --parallel

README.md

@@ -38,7 +38,7 @@ And then use this library (change `(the latest version)` to the latest version!)
 ```
 
 # Contributing
-Contributions are welcome ! :D
+Contributions are welcome! :D
 
 Most contributions will require you to agree to a Contributor License Agreement (CLA) declaring that you have the right to,
 and actually do, grant us the rights to use your contribution. For details, visit https://cla.microsoft.com.
@@ -128,8 +128,8 @@ the reason why is inside this exception map.
 ## Displaying usage info
 There are two forms of "usage strings" provided by this library, both require a target node.
 
-`getAllUsage(node, source, restricted)`  will return a list of all possible commands (executable end-points) under the target node and their human readable path. If `restricted`, it will ignore commands that `source` does not have access to. This will look like [`foo`, `foo <bar>`]
+`getAllUsage(node, source, restricted)`  will return a list of all possible commands (executable end-points) under the target node and their human readable path. If `restricted`, it will ignore commands that `source` does not have access to. This will look like [`foo`, `foo <bar>`].
 
-`getSmartUsage(node, source)` will return a map of the child nodes to their "smart usage" human readable path. This tries to squash future-nodes together and show optional & typed information, and can look like `foo (<bar>)`
+`getSmartUsage(node, source)` will return a map of the child nodes to their "smart usage" human readable path. This tries to squash future-nodes together and show optional & typed information, and can look like `foo (<bar>)`.
 
 [![GitHub forks](https://img.shields.io/github/forks/Mojang/brigadier.svg?style=social&label=Fork)](https://github.com/Mojang/brigadier/fork) [![GitHub stars](https://img.shields.io/github/stars/Mojang/brigadier.svg?style=social&label=Stars)](https://github.com/Mojang/brigadier/stargazers)

build.gradle

@@ -1,6 +1,4 @@
 import groovy.io.FileType
-import com.amazonaws.auth.STSAssumeRoleSessionCredentialsProvider
-import com.amazonaws.services.s3.AmazonS3Client
 
 apply plugin: 'java-library'
 apply plugin: 'maven-publish'
@@ -15,10 +13,6 @@ buildscript {
             url "https://libraries.minecraft.net"
         }
     }
-
-    dependencies {
-        classpath 'com.amazonaws:aws-java-sdk:1.11.33'
-    }
 }
 
 repositories {
@@ -86,18 +80,12 @@ publishing {
 
 task report {
     doLast {
-        println "##teamcity[buildNumber '${project.version}']"
+        println "##vso[build.updatebuildnumber]${project.version}"
     }
 }
 
 def publishDir = file("$buildDir/repo")
 
-
-def uploadFile(s3, bucket, path, filename) {
-    println "Uploading $filename to $bucket as $path"
-    s3.putObject(bucket, path, filename)
-}
-
 clean.doLast {
     delete publishDir
 }
@@ -114,14 +102,13 @@ if (version.endsWith("SNAPSHOT")) {
     }
 
     publish.doLast {
-        def AWSRoleARN = (System.getenv("AWS_ROLE_ARN") != null && System.getenv("AWS_ROLE_ARN") != "" ? System.getenv("AWS_ROLE_ARN") : null)
-        if (AWSRoleARN == null) throw new GradleException("AWS Role has not been configured, use the `AWS_ROLE_ARN` environment variable")
-        def auth = new STSAssumeRoleSessionCredentialsProvider.Builder(AWSRoleARN, "JavaBrigadierPublish").build()
-        def s3 = new AmazonS3Client(auth)
         publishDir.eachFileRecurse {
-            if (!it.name.contains(".xml") && !it.name.contains(".md5") && it.isFile()) {
+            if (!it.isFile()) {
-                def relPath = publishDir.toPath().relativize(it.toPath()).toFile().toString().replaceAll('\\\\', '/')
+                return
-                uploadFile(s3, "minecraft-libraries", relPath, it)
+            }
+            // Remove junk files
+            if (it.name.contains(".xml") || it.name.contains(".md5")) {
+                it.delete()
             }
         }
     }

gradle.properties

@@ -1 +1 @@
-majorMinor: 1.0
+majorMinor: 1.1

src/main/java/com/mojang/brigadier/CommandDispatcher.java

@@ -20,6 +20,7 @@ import java.util.Collections;
 import java.util.LinkedHashMap;
 import java.util.LinkedHashSet;
 import java.util.List;
+import java.util.Locale;
 import java.util.Map;
 import java.util.Set;
 import java.util.concurrent.CompletableFuture;
@@ -230,7 +231,6 @@ public class CommandDispatcher<S> {
                 if (child != null) {
                     forked |= context.isForked();
                     if (child.hasNodes()) {
-                        foundCommand = true;
                         final RedirectModifier<S> modifier = context.getRedirectModifier();
                         if (modifier == null) {
                             if (next == null) {
@@ -247,6 +247,8 @@ public class CommandDispatcher<S> {
                                     for (final S source : results) {
                                         next.add(child.copyFor(source));
                                     }
+                                } else {
+                                    foundCommand = true;
                                 }
                             } catch (final CommandSyntaxException ex) {
                                 consumer.onCommandComplete(context, false, 0);
@@ -588,12 +590,13 @@ public class CommandDispatcher<S> {
 
         final String fullInput = parse.getReader().getString();
         final String truncatedInput = fullInput.substring(0, cursor);
+        final String truncatedInputLowerCase = truncatedInput.toLowerCase(Locale.ROOT);
         @SuppressWarnings("unchecked") final CompletableFuture<Suggestions>[] futures = new CompletableFuture[parent.getChildren().size()];
         int i = 0;
         for (final CommandNode<S> node : parent.getChildren()) {
             CompletableFuture<Suggestions> future = Suggestions.empty();
             try {
-                future = node.listSuggestions(context.build(truncatedInput), new SuggestionsBuilder(truncatedInput, start));
+                future = node.listSuggestions(context.build(truncatedInput), new SuggestionsBuilder(truncatedInput, truncatedInputLowerCase, start));
             } catch (final CommandSyntaxException ignored) {
             }
             futures[i++] = future;

src/main/java/com/mojang/brigadier/StringReader.java

@@ -7,7 +7,8 @@ import com.mojang.brigadier.exceptions.CommandSyntaxException;
 
 public class StringReader implements ImmutableStringReader {
     private static final char SYNTAX_ESCAPE = '\\';
-    private static final char SYNTAX_QUOTE = '"';
+    private static final char SYNTAX_DOUBLE_QUOTE = '"';
+    private static final char SYNTAX_SINGLE_QUOTE = '\'';
 
     private final String string;
     private int cursor;
@@ -87,6 +88,10 @@ public class StringReader implements ImmutableStringReader {
         return c >= '0' && c <= '9' || c == '.' || c == '-';
     }
 
+    public static boolean isQuotedStringStart(char c) {
+        return c == SYNTAX_DOUBLE_QUOTE || c == SYNTAX_SINGLE_QUOTE;
+    }
+
     public void skipWhitespace() {
         while (canRead() && Character.isWhitespace(peek())) {
             skip();
@@ -180,16 +185,22 @@ public class StringReader implements ImmutableStringReader {
     public String readQuotedString() throws CommandSyntaxException {
         if (!canRead()) {
             return "";
-        } else if (peek() != SYNTAX_QUOTE) {
+        }
+        final char next = peek();
+        if (!isQuotedStringStart(next)) {
             throw CommandSyntaxException.BUILT_IN_EXCEPTIONS.readerExpectedStartOfQuote().createWithContext(this);
         }
         skip();
+        return readStringUntil(next);
+    }
+
+    public String readStringUntil(char terminator) throws CommandSyntaxException {
         final StringBuilder result = new StringBuilder();
         boolean escaped = false;
         while (canRead()) {
             final char c = read();
             if (escaped) {
-                if (c == SYNTAX_QUOTE || c == SYNTAX_ESCAPE) {
+                if (c == terminator || c == SYNTAX_ESCAPE) {
                     result.append(c);
                     escaped = false;
                 } else {
@@ -198,7 +209,7 @@ public class StringReader implements ImmutableStringReader {
                 }
             } else if (c == SYNTAX_ESCAPE) {
                 escaped = true;
-            } else if (c == SYNTAX_QUOTE) {
+            } else if (c == terminator) {
                 return result.toString();
             } else {
                 result.append(c);
@@ -209,11 +220,15 @@ public class StringReader implements ImmutableStringReader {
     }
 
     public String readString() throws CommandSyntaxException {
-        if (canRead() && peek() == SYNTAX_QUOTE) {
+        if (!canRead()) {
-            return readQuotedString();
+            return "";
-        } else {
-            return readUnquotedString();
         }
+        final char next = peek();
+        if (isQuotedStringStart(next)) {
+            skip();
+            return readStringUntil(next);
+        }
+        return readUnquotedString();
     }
 
     public boolean readBoolean() throws CommandSyntaxException {

src/main/java/com/mojang/brigadier/arguments/BoolArgumentType.java

@@ -34,10 +34,10 @@ public class BoolArgumentType implements ArgumentType<Boolean> {
 
     @Override
     public <S> CompletableFuture<Suggestions> listSuggestions(final CommandContext<S> context, final SuggestionsBuilder builder) {
-        if ("true".startsWith(builder.getRemaining().toLowerCase())) {
+        if ("true".startsWith(builder.getRemainingLowerCase())) {
             builder.suggest("true");
         }
-        if ("false".startsWith(builder.getRemaining().toLowerCase())) {
+        if ("false".startsWith(builder.getRemainingLowerCase())) {
             builder.suggest("false");
         }
         return builder.buildFuture();

src/main/java/com/mojang/brigadier/builder/ArgumentBuilder.java

@@ -4,6 +4,7 @@
 package com.mojang.brigadier.builder;
 
 import com.mojang.brigadier.Command;
+import com.mojang.brigadier.Message;
 import com.mojang.brigadier.RedirectModifier;
 import com.mojang.brigadier.SingleRedirectModifier;
 import com.mojang.brigadier.tree.CommandNode;
@@ -20,6 +21,7 @@ public abstract class ArgumentBuilder<S, T extends ArgumentBuilder<S, T>> {
     private CommandNode<S> target;
     private RedirectModifier<S> modifier = null;
     private boolean forks;
+    private Message description;
 
     protected abstract T getThis();
 
@@ -52,6 +54,15 @@ public abstract class ArgumentBuilder<S, T extends ArgumentBuilder<S, T>> {
         return command;
     }
 
+    public T describe(final Message description) {
+        this.description = description;
+        return getThis();
+    }
+
+    public Message getDescription() {
+        return description;
+    }
+
     public T requires(final Predicate<S> requirement) {
         this.requirement = requirement;
         return getThis();

src/main/java/com/mojang/brigadier/builder/LiteralArgumentBuilder.java

@@ -28,7 +28,7 @@ public class LiteralArgumentBuilder<S> extends ArgumentBuilder<S, LiteralArgumen
 
     @Override
     public LiteralCommandNode<S> build() {
-        final LiteralCommandNode<S> result = new LiteralCommandNode<>(getLiteral(), getCommand(), getRequirement(), getRedirect(), getRedirectModifier(), isFork());
+        final LiteralCommandNode<S> result = new LiteralCommandNode<>(getLiteral(), getCommand(), getRequirement(), getRedirect(), getRedirectModifier(), isFork(), getDescription());
 
         for (final CommandNode<S> argument : getArguments()) {
             result.addChild(argument);

src/main/java/com/mojang/brigadier/builder/RequiredArgumentBuilder.java

@@ -45,7 +45,7 @@ public class RequiredArgumentBuilder<S, T> extends ArgumentBuilder<S, RequiredAr
     }
 
     public ArgumentCommandNode<S, T> build() {
-        final ArgumentCommandNode<S, T> result = new ArgumentCommandNode<>(getName(), getType(), getCommand(), getRequirement(), getRedirect(), getRedirectModifier(), isFork(), getSuggestionsProvider());
+        final ArgumentCommandNode<S, T> result = new ArgumentCommandNode<>(getName(), getType(), getCommand(), getRequirement(), getRedirect(), getRedirectModifier(), isFork(), getSuggestionsProvider(), getDescription());
 
         for (final CommandNode<S> argument : getArguments()) {
             result.addChild(argument);

src/main/java/com/mojang/brigadier/suggestion/SuggestionsBuilder.java

@@ -8,18 +8,27 @@ import com.mojang.brigadier.context.StringRange;
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Locale;
 import java.util.concurrent.CompletableFuture;
 
 public class SuggestionsBuilder {
     private final String input;
+    private final String inputLowerCase;
     private final int start;
     private final String remaining;
+    private final String remainingLowerCase;
     private final List<Suggestion> result = new ArrayList<>();
 
-    public SuggestionsBuilder(final String input, final int start) {
+    public SuggestionsBuilder(final String input, final String inputLowerCase, final int start) {
         this.input = input;
+        this.inputLowerCase = inputLowerCase;
         this.start = start;
         this.remaining = input.substring(start);
+        this.remainingLowerCase = inputLowerCase.substring(start);
+    }
+
+    public SuggestionsBuilder(final String input, final int start) {
+        this(input, input.toLowerCase(Locale.ROOT), start);
     }
 
     public String getInput() {
@@ -34,6 +43,10 @@ public class SuggestionsBuilder {
         return remaining;
     }
 
+    public String getRemainingLowerCase() {
+        return remainingLowerCase;
+    }
+
     public Suggestions build() {
         return Suggestions.create(input, result);
     }
@@ -74,10 +87,10 @@ public class SuggestionsBuilder {
     }
 
     public SuggestionsBuilder createOffset(final int start) {
-        return new SuggestionsBuilder(input, start);
+        return new SuggestionsBuilder(input, inputLowerCase, start);
     }
 
     public SuggestionsBuilder restart() {
-        return new SuggestionsBuilder(input, start);
+        return createOffset(start);
     }
 }

src/main/java/com/mojang/brigadier/tree/ArgumentCommandNode.java

@@ -4,6 +4,7 @@
 package com.mojang.brigadier.tree;
 
 import com.mojang.brigadier.Command;
+import com.mojang.brigadier.Message;
 import com.mojang.brigadier.RedirectModifier;
 import com.mojang.brigadier.StringReader;
 import com.mojang.brigadier.arguments.ArgumentType;
@@ -29,7 +30,11 @@ public class ArgumentCommandNode<S, T> extends CommandNode<S> {
     private final SuggestionProvider<S> customSuggestions;
 
     public ArgumentCommandNode(final String name, final ArgumentType<T> type, final Command<S> command, final Predicate<S> requirement, final CommandNode<S> redirect, final RedirectModifier<S> modifier, final boolean forks, final SuggestionProvider<S> customSuggestions) {
-        super(command, requirement, redirect, modifier, forks);
+        this(name, type, command, requirement, redirect, modifier, forks, customSuggestions, null);
+    }
+
+    public ArgumentCommandNode(final String name, final ArgumentType<T> type, final Command<S> command, final Predicate<S> requirement, final CommandNode<S> redirect, final RedirectModifier<S> modifier, final boolean forks, final SuggestionProvider<S> customSuggestions, final Message description) {
+        super(command, requirement, redirect, modifier, forks, description);
         this.name = name;
         this.type = type;
         this.customSuggestions = customSuggestions;

src/main/java/com/mojang/brigadier/tree/CommandNode.java

@@ -3,10 +3,7 @@
 
 package com.mojang.brigadier.tree;
 
-import com.mojang.brigadier.AmbiguityConsumer;
+import com.mojang.brigadier.*;
-import com.mojang.brigadier.Command;
-import com.mojang.brigadier.RedirectModifier;
-import com.mojang.brigadier.StringReader;
 import com.mojang.brigadier.builder.ArgumentBuilder;
 import com.mojang.brigadier.context.CommandContext;
 import com.mojang.brigadier.context.CommandContextBuilder;
@@ -22,30 +19,39 @@ import java.util.Map;
 import java.util.Set;
 import java.util.concurrent.CompletableFuture;
 import java.util.function.Predicate;
-import java.util.stream.Collectors;
 
 public abstract class CommandNode<S> implements Comparable<CommandNode<S>> {
-    private Map<String, CommandNode<S>> children = new LinkedHashMap<>();
+    private final Map<String, CommandNode<S>> children = new LinkedHashMap<>();
-    private Map<String, LiteralCommandNode<S>> literals = new LinkedHashMap<>();
+    private final Map<String, LiteralCommandNode<S>> literals = new LinkedHashMap<>();
-    private Map<String, ArgumentCommandNode<S, ?>> arguments = new LinkedHashMap<>();
+    private final Map<String, ArgumentCommandNode<S, ?>> arguments = new LinkedHashMap<>();
     private final Predicate<S> requirement;
     private final CommandNode<S> redirect;
     private final RedirectModifier<S> modifier;
     private final boolean forks;
     private Command<S> command;
+    private Message description;
 
     protected CommandNode(final Command<S> command, final Predicate<S> requirement, final CommandNode<S> redirect, final RedirectModifier<S> modifier, final boolean forks) {
+        this(command, requirement, redirect, modifier, forks, null);
+    }
+
+    protected CommandNode(final Command<S> command, final Predicate<S> requirement, final CommandNode<S> redirect, final RedirectModifier<S> modifier, final boolean forks, final Message description) {
         this.command = command;
         this.requirement = requirement;
         this.redirect = redirect;
         this.modifier = modifier;
         this.forks = forks;
+        this.description = description;
     }
 
     public Command<S> getCommand() {
         return command;
     }
 
+    public Message getDescription() {
+        return description;
+    }
+
     public Collection<CommandNode<S>> getChildren() {
         return children.values();
     }
@@ -88,8 +94,6 @@ public abstract class CommandNode<S> implements Comparable<CommandNode<S>> {
                 arguments.put(node.getName(), (ArgumentCommandNode<S, ?>) node);
             }
         }
-
-        children = children.entrySet().stream().sorted(Map.Entry.comparingByValue()).collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue, (e1, e2) -> e1, LinkedHashMap::new));
     }
 
     public void findAmbiguities(final AmbiguityConsumer<S> consumer) {

src/main/java/com/mojang/brigadier/tree/LiteralCommandNode.java

@@ -4,6 +4,7 @@
 package com.mojang.brigadier.tree;
 
 import com.mojang.brigadier.Command;
+import com.mojang.brigadier.Message;
 import com.mojang.brigadier.RedirectModifier;
 import com.mojang.brigadier.StringReader;
 import com.mojang.brigadier.builder.LiteralArgumentBuilder;
@@ -16,15 +17,22 @@ import com.mojang.brigadier.suggestion.SuggestionsBuilder;
 
 import java.util.Collection;
 import java.util.Collections;
+import java.util.Locale;
 import java.util.concurrent.CompletableFuture;
 import java.util.function.Predicate;
 
 public class LiteralCommandNode<S> extends CommandNode<S> {
     private final String literal;
+    private final String literalLowerCase;
 
     public LiteralCommandNode(final String literal, final Command<S> command, final Predicate<S> requirement, final CommandNode<S> redirect, final RedirectModifier<S> modifier, final boolean forks) {
-        super(command, requirement, redirect, modifier, forks);
+        this(literal, command, requirement, redirect, modifier, forks, null);
+    }
+
+    public LiteralCommandNode(final String literal, final Command<S> command, final Predicate<S> requirement, final CommandNode<S> redirect, final RedirectModifier<S> modifier, final boolean forks, final Message description) {
+        super(command, requirement, redirect, modifier, forks, description);
         this.literal = literal;
+        this.literalLowerCase = literal.toLowerCase(Locale.ROOT);
     }
 
     public String getLiteral() {
@@ -66,7 +74,7 @@ public class LiteralCommandNode<S> extends CommandNode<S> {
 
     @Override
     public CompletableFuture<Suggestions> listSuggestions(final CommandContext<S> context, final SuggestionsBuilder builder) {
-        if (literal.toLowerCase().startsWith(builder.getRemaining().toLowerCase())) {
+        if (literalLowerCase.startsWith(builder.getRemainingLowerCase())) {
             return builder.suggest(literal).buildFuture();
         } else {
             return Suggestions.empty();

src/main/java/com/mojang/brigadier/tree/RootCommandNode.java

@@ -17,7 +17,7 @@ import java.util.concurrent.CompletableFuture;
 
 public class RootCommandNode<S> extends CommandNode<S> {
     public RootCommandNode() {
-        super(null, c -> true, null, s -> Collections.singleton(s.getSource()), false);
+        super(null, c -> true, null, s -> Collections.singleton(s.getSource()), false, null);
     }
 
     @Override

src/test/java/com/mojang/brigadier/CommandDispatcherTest.java

@@ -4,6 +4,7 @@
 package com.mojang.brigadier;
 
 import com.google.common.collect.Lists;
+import com.mojang.brigadier.arguments.IntegerArgumentType;
 import com.mojang.brigadier.context.CommandContext;
 import com.mojang.brigadier.context.CommandContextBuilder;
 import com.mojang.brigadier.exceptions.CommandSyntaxException;
@@ -14,6 +15,9 @@ import org.junit.runner.RunWith;
 import org.mockito.Mock;
 import org.mockito.runners.MockitoJUnitRunner;
 
+import java.util.Collections;
+import java.util.concurrent.atomic.AtomicBoolean;
+
 import static com.mojang.brigadier.arguments.IntegerArgumentType.integer;
 import static com.mojang.brigadier.builder.LiteralArgumentBuilder.literal;
 import static com.mojang.brigadier.builder.RequiredArgumentBuilder.argument;
@@ -326,6 +330,37 @@ public class CommandDispatcherTest {
         verify(command).run(argThat(hasProperty("source", is(source2))));
     }
 
+    @Test
+    public void testIncompleteRedirectShouldThrow() {
+        final LiteralCommandNode<Object> foo = subject.register(literal("foo")
+            .then(literal("bar")
+                .then(argument("value", integer()).executes(context -> IntegerArgumentType.getInteger(context, "value"))))
+            .then(literal("awa").executes(context -> 2)));
+        final LiteralCommandNode<Object> baz = subject.register(literal("baz").redirect(foo));
+        try {
+            int result = subject.execute("baz bar", source);
+            fail("Should have thrown an exception");
+        } catch (CommandSyntaxException e) {
+            assertThat(e.getType(), is(CommandSyntaxException.BUILT_IN_EXCEPTIONS.dispatcherUnknownCommand()));
+        }
+    }
+
+    @Test
+    public void testRedirectModifierEmptyResult() {
+        final LiteralCommandNode<Object> foo = subject.register(literal("foo")
+            .then(literal("bar")
+                .then(argument("value", integer()).executes(context -> IntegerArgumentType.getInteger(context, "value"))))
+            .then(literal("awa").executes(context -> 2)));
+        final RedirectModifier<Object> emptyModifier = context -> Collections.emptyList();
+        final LiteralCommandNode<Object> baz = subject.register(literal("baz").fork(foo, emptyModifier));
+        try {
+            int result = subject.execute("baz bar 100", source);
+            assertThat(result, is(0)); // No commands executed, so result is 0
+        } catch (CommandSyntaxException e) {
+            fail("Should not throw an exception");
+        }
+    }
+
     @Test
     public void testExecuteOrphanedSubcommand() throws Exception {
         subject.register(literal("foo").then(

src/test/java/com/mojang/brigadier/StringReaderTest.java

@@ -156,6 +156,30 @@ public class StringReaderTest {
         assertThat(reader.getRemaining(), equalTo(""));
     }
 
+    @Test
+    public void readSingleQuotedString() throws Exception {
+        final StringReader reader = new StringReader("'hello world'");
+        assertThat(reader.readQuotedString(), equalTo("hello world"));
+        assertThat(reader.getRead(), equalTo("'hello world'"));
+        assertThat(reader.getRemaining(), equalTo(""));
+    }
+
+    @Test
+    public void readMixedQuotedString_doubleInsideSingle() throws Exception {
+        final StringReader reader = new StringReader("'hello \"world\"'");
+        assertThat(reader.readQuotedString(), equalTo("hello \"world\""));
+        assertThat(reader.getRead(), equalTo("'hello \"world\"'"));
+        assertThat(reader.getRemaining(), equalTo(""));
+    }
+
+    @Test
+    public void readMixedQuotedString_singleInsideDouble() throws Exception {
+        final StringReader reader = new StringReader("\"hello 'world'\"");
+        assertThat(reader.readQuotedString(), equalTo("hello 'world'"));
+        assertThat(reader.getRead(), equalTo("\"hello 'world'\""));
+        assertThat(reader.getRemaining(), equalTo(""));
+    }
+
     @Test
     public void readQuotedString_empty() throws Exception {
         final StringReader reader = new StringReader("");
@@ -242,6 +266,40 @@ public class StringReaderTest {
         }
     }
 
+    @Test
+    public void readQuotedString_invalidQuoteEscape() throws Exception {
+        try {
+            new StringReader("'hello\\\"\'world").readQuotedString();
+        } catch (final CommandSyntaxException ex) {
+            assertThat(ex.getType(), is(CommandSyntaxException.BUILT_IN_EXCEPTIONS.readerInvalidEscape()));
+            assertThat(ex.getCursor(), is(7));
+        }
+    }
+
+    @Test
+    public void readString_noQuotes() throws Exception {
+        final StringReader reader = new StringReader("hello world");
+        assertThat(reader.readString(), equalTo("hello"));
+        assertThat(reader.getRead(), equalTo("hello"));
+        assertThat(reader.getRemaining(), equalTo(" world"));
+    }
+
+    @Test
+    public void readString_singleQuotes() throws Exception {
+        final StringReader reader = new StringReader("'hello world'");
+        assertThat(reader.readString(), equalTo("hello world"));
+        assertThat(reader.getRead(), equalTo("'hello world'"));
+        assertThat(reader.getRemaining(), equalTo(""));
+    }
+
+    @Test
+    public void readString_doubleQuotes() throws Exception {
+        final StringReader reader = new StringReader("\"hello world\"");
+        assertThat(reader.readString(), equalTo("hello world"));
+        assertThat(reader.getRead(), equalTo("\"hello world\""));
+        assertThat(reader.getRemaining(), equalTo(""));
+    }
+
     @Test
     public void readInt() throws Exception {
         final StringReader reader = new StringReader("1234567890");