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133 changes: 133 additions & 0 deletions
133
builtins/src/main/java/org/jline/builtins/ScriptCommands.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,133 @@ | ||
| package org.jline.builtins; | ||
|
|
||
| import java.nio.file.Path; | ||
| import java.util.*; | ||
| import java.util.function.Function; | ||
| import java.util.function.Supplier; | ||
| import java.util.stream.Collectors; | ||
|
|
||
| import org.jline.builtins.Builtins; | ||
| import org.jline.builtins.Builtins.Command; | ||
| import org.jline.builtins.Builtins.CommandMethods; | ||
| import org.jline.reader.Completer; | ||
| import org.jline.reader.ConfigurationPath; | ||
| import org.jline.reader.LineReader; | ||
| import org.jline.reader.Widget; | ||
| import org.jline.reader.impl.completer.NullCompleter; | ||
| import org.jline.script.JLineEngine; | ||
|
|
||
| public class ScriptCommands implements CommandRegistry { | ||
| public enum Command {SET | ||
| , DEL | ||
| , ENGINES}; | ||
| private final JLineEngine engine; | ||
| private Map<Command,String> commandName = new HashMap<>(); | ||
| private Map<String,Command> nameCommand = new HashMap<>(); | ||
| private Map<String,String> aliasCommand = new HashMap<>(); | ||
| private final Map<Command,CommandMethods> commandExecute = new HashMap<>(); | ||
| private Map<Command,List<String>> commandInfo = new HashMap<>(); | ||
| private Exception exception; | ||
|
|
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| public ScriptCommands(JLineEngine engine) { | ||
| this.engine = engine; | ||
| Set<Command> cmds = new HashSet<>(EnumSet.allOf(Command.class)); | ||
| for (Command c: cmds) { | ||
| commandName.put(c, c.name().toLowerCase()); | ||
| } | ||
| doNameCommand(); | ||
| commandExecute.put(Command.ENGINES, new CommandMethods(this::engines, this::defaultCompleter)); | ||
| commandExecute.put(Command.SET, new CommandMethods(this::set, this::defaultCompleter)); | ||
| } | ||
|
|
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| public Set<String> commandNames() { | ||
| return nameCommand.keySet(); | ||
| } | ||
|
|
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| public Map<String, String> commandAliases() { | ||
| return aliasCommand; | ||
| } | ||
|
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| public boolean hasCommand(String name) { | ||
| if (nameCommand.containsKey(name) || aliasCommand.containsKey(name)) { | ||
| return true; | ||
| } | ||
| return false; | ||
| } | ||
|
|
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| private void doNameCommand() { | ||
| nameCommand = commandName.entrySet() | ||
| .stream() | ||
| .collect(Collectors.toMap(Map.Entry::getValue, Map.Entry::getKey)); | ||
| } | ||
|
|
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| private Command command(String name) { | ||
| Command out = null; | ||
| if (!hasCommand(name)) { | ||
| throw new IllegalArgumentException("Command does not exists!"); | ||
| } | ||
| if (aliasCommand.containsKey(name)) { | ||
| name = aliasCommand.get(name); | ||
| } | ||
| if (nameCommand.containsKey(name)) { | ||
| out = nameCommand.get(name); | ||
| } else { | ||
| throw new IllegalArgumentException("Command does not exists!"); | ||
| } | ||
| return out; | ||
| } | ||
|
|
||
| public void rename(Command command, String newName) { | ||
| if (nameCommand.containsKey(newName)) { | ||
| throw new IllegalArgumentException("Duplicate command name!"); | ||
| } else if (!commandName.containsKey(command)) { | ||
| throw new IllegalArgumentException("Command does not exists!"); | ||
| } | ||
| commandName.put(command, newName); | ||
| doNameCommand(); | ||
| } | ||
|
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| public void alias(String alias, String command) { | ||
| if (!nameCommand.keySet().contains(command)) { | ||
| throw new IllegalArgumentException("Command does not exists!"); | ||
| } | ||
| aliasCommand.put(alias, command); | ||
| } | ||
|
|
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| public List<String> commandInfo(String command) { | ||
| return null; | ||
| } | ||
|
|
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| public Completers.SystemCompleter compileCompleters() { | ||
| return null; | ||
| } | ||
|
|
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| public Widgets.CmdDesc commandDescription(String command) { | ||
| return null; | ||
| } | ||
|
|
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| public Object execute(String statement) throws Exception { | ||
| return engine.execute(statement); | ||
| } | ||
|
|
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| public Object execute(String command, String[] args) throws Exception { | ||
| exception = null; | ||
| Object out = commandExecute.get(command(command)).executeFunction().apply(new Builtins.CommandInput(args)); | ||
| if (exception != null) { | ||
| throw exception; | ||
| } | ||
| return out; | ||
| } | ||
|
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| public Object engines(Builtins.CommandInput input) { | ||
| return JLineEngine.listEngines(); | ||
| } | ||
|
|
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| public Object set(Builtins.CommandInput input) { | ||
| return engine.get(); | ||
| } | ||
|
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| private List<Completer> defaultCompleter(String command) { | ||
| return Arrays.asList(NullCompleter.INSTANCE); | ||
| } | ||
|
|
||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| <?xml version="1.0"?> | ||
| <project | ||
| xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" | ||
| xmlns="http://maven.apache.org/POM/4.0.0" | ||
| xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> | ||
| <modelVersion>4.0.0</modelVersion> | ||
| <parent> | ||
| <groupId>org.jline</groupId> | ||
| <artifactId>jline-parent</artifactId> | ||
| <version>3.13.3-SNAPSHOT</version> | ||
| </parent> | ||
| <groupId>org.jline</groupId> | ||
| <artifactId>jline-script</artifactId> | ||
| <version>3.13.3-SNAPSHOT</version> | ||
| <name>jline-script</name> | ||
| <url>http://maven.apache.org</url> | ||
| <properties> | ||
| <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> | ||
| <groovy.version>2.5.8</groovy.version> | ||
| </properties> | ||
| <dependencies> | ||
| <dependency> | ||
| <groupId>org.codehaus.groovy</groupId> | ||
| <artifactId>groovy-all</artifactId> | ||
| <version>${groovy.version}</version> | ||
| <type>pom</type> | ||
| </dependency> | ||
| <dependency> | ||
| <groupId>junit</groupId> | ||
| <artifactId>junit</artifactId> | ||
| <version>3.8.1</version> | ||
| <scope>test</scope> | ||
| </dependency> | ||
| </dependencies> | ||
| <build> | ||
| <pluginManagement> | ||
| <plugins> | ||
| <plugin> | ||
| <groupId>org.apache.maven.plugins</groupId> | ||
| <artifactId>maven-compiler-plugin</artifactId> | ||
| <version>3.7.0</version> | ||
| <configuration> | ||
| <showWarnings>true</showWarnings> | ||
| <compilerArgs> | ||
| <arg>-Xlint:all,-options</arg> | ||
| <!-- | ||
| <arg>-Werror</arg> | ||
| --> | ||
| <arg>-profile</arg> | ||
| <arg>compact1</arg> | ||
| </compilerArgs> | ||
| <fork>true</fork> | ||
| </configuration> | ||
| </plugin> | ||
| </plugins> | ||
| </pluginManagement> | ||
| </build> | ||
| </project> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,40 @@ | ||
| package org.jline.script; | ||
|
|
||
| import java.io.File; | ||
| import java.util.*; | ||
|
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| import javax.script.ScriptEngineFactory; | ||
| import javax.script.ScriptEngineManager; | ||
|
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| public interface JLineEngine { | ||
|
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| public String getEngineName(); | ||
|
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| public void put(String name, Object value); | ||
|
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| public Object get(String name); | ||
|
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| public Map<String,Object> get(); | ||
|
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| public void del(String... vars); | ||
|
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| public Object execute(String statement) throws Exception; | ||
|
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| public Object execute(File script) throws Exception; | ||
|
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| public static List<Map<String, Object>> listEngines() { | ||
| List<Map<String, Object>> out = new ArrayList<>(); | ||
| ScriptEngineManager f = new ScriptEngineManager(); | ||
| List<ScriptEngineFactory> engines = f.getEngineFactories(); | ||
| for (ScriptEngineFactory engine : engines) { | ||
| Map<String,Object> e = new HashMap<>(); | ||
| e.put("name", engine.getEngineName()); | ||
| e.put("version", engine.getEngineVersion()); | ||
| e.put("language", engine.getLanguageName()); | ||
| e.put("extensions", engine.getExtensions()); | ||
| e.put("nick-names", engine.getNames()); | ||
| out.add(e); | ||
| } | ||
| return out; | ||
| } | ||
| } |
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