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- /*
- * Copyright (c) 2006-2010 Chris Smith, Shane Mc Cormack, Gregory Holmes
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
- package com.dmdirc.addons.scriptplugin;
-
- import com.dmdirc.commandparser.CommandArguments;
- import com.dmdirc.config.IdentityManager;
- import com.dmdirc.commandparser.CommandManager;
- import com.dmdirc.commandparser.commands.GlobalCommand;
- import com.dmdirc.ui.interfaces.InputWindow;
- import com.dmdirc.commandparser.commands.IntelligentCommand;
- import com.dmdirc.ui.input.AdditionalTabTargets;
- import com.dmdirc.ui.input.TabCompletionType;
-
- import java.util.LinkedList;
- import java.util.List;
- import java.util.Map;
- import java.io.File;
- import java.io.FileWriter;
- import java.io.IOException;
-
- import java.lang.reflect.Method;
-
- /**
- * The Script Command allows controlling of the scriptplugin.
- *
- * @author Shane 'Dataforce' McCormack
- */
- public final class ScriptCommand extends GlobalCommand implements IntelligentCommand {
- /** My Plugin */
- final ScriptPlugin myPlugin;
-
- /**
- * Creates a new instance of ScriptCommand.
- */
- public ScriptCommand(final ScriptPlugin plugin) {
- super();
- myPlugin = plugin;
- CommandManager.registerCommand(this);
- }
-
- /**
- * Executes this command.
- *
- * @param origin The frame in which this command was issued
- * @param server The server object that this command is associated with
- * @param isSilent Whether this command is silenced or not
- * @param args The user supplied arguments
- */
- @Override
- public void execute(final InputWindow origin, final boolean isSilent, final CommandArguments commandArgs) {
- final String[] args = commandArgs.getArguments();
-
- if (args.length > 0 && (args[0].equalsIgnoreCase("rehash") || args[0].equalsIgnoreCase("reload"))) {
- sendLine(origin, isSilent, FORMAT_OUTPUT, "Reloading scripts");
- myPlugin.rehash();
- } else if (args.length > 0 && args[0].equalsIgnoreCase("load")) {
- if (args.length > 1) {
- final String filename = commandArgs.getArgumentsAsString(1);
- sendLine(origin, isSilent, FORMAT_OUTPUT, "Loading: "+filename+" ["+myPlugin.loadScript(myPlugin.getScriptDir()+filename)+"]");
- } else {
- sendLine(origin, isSilent, FORMAT_ERROR, "You must specify a script to load");
- }
- } else if (args.length > 0 && args[0].equalsIgnoreCase("unload")) {
- if (args.length > 1) {
- final String filename = commandArgs.getArgumentsAsString(1);
- sendLine(origin, isSilent, FORMAT_OUTPUT, "Unloading: "+filename+" ["+myPlugin.loadScript(myPlugin.getScriptDir()+filename)+"]");
- } else {
- sendLine(origin, isSilent, FORMAT_ERROR, "You must specify a script to unload");
- }
- } else if (args.length > 0 && args[0].equalsIgnoreCase("eval")) {
- if (args.length > 1) {
- final String script = commandArgs.getArgumentsAsString(1);
- sendLine(origin, isSilent, FORMAT_OUTPUT, "Evaluating: "+script);
- try {
- ScriptEngineWrapper wrapper;
- if (IdentityManager.getGlobalConfig().hasOptionString(myPlugin.getDomain(), "eval.baseFile")) {
- final String baseFile = myPlugin.getScriptDir()+'/'+IdentityManager.getGlobalConfig().getOption(myPlugin.getDomain(), "eval.baseFile");
- if ((new File(baseFile)).exists()) {
- wrapper = new ScriptEngineWrapper(myPlugin, baseFile);
- } else {
- wrapper = new ScriptEngineWrapper(myPlugin, null);
- }
- } else {
- wrapper = new ScriptEngineWrapper(myPlugin, null);
- }
- wrapper.getScriptEngine().put("cmd_origin", origin);
- wrapper.getScriptEngine().put("cmd_isSilent", isSilent);
- wrapper.getScriptEngine().put("cmd_args", args);
- sendLine(origin, isSilent, FORMAT_OUTPUT, "Result: "+wrapper.getScriptEngine().eval(script));
- } catch (Exception e) {
- sendLine(origin, isSilent, FORMAT_OUTPUT, "Exception: "+e+" -> "+e.getMessage());
-
- if (IdentityManager.getGlobalConfig().getOptionBool(myPlugin.getDomain(), "eval.showStackTrace")) {
- try {
- final Class<?> logger = Class.forName("com.dmdirc.logger.Logger");
- if (logger != null) {
- final Method exceptionToStringArray = logger.getDeclaredMethod("exceptionToStringArray", new Class[]{Throwable.class});
- exceptionToStringArray.setAccessible(true);
-
- final String[] stacktrace = (String[])exceptionToStringArray.invoke(null, e);
- for (String line : stacktrace) {
- sendLine(origin, isSilent, FORMAT_OUTPUT, "Stack trace: "+line);
- }
- }
- } catch (Exception ex) {
- sendLine(origin, isSilent, FORMAT_OUTPUT, "Stack trace: Exception showing stack trace: "+ex+" -> "+ex.getMessage());
- }
- }
-
- }
- } else {
- sendLine(origin, isSilent, FORMAT_ERROR, "You must specify some script to eval.");
- }
- } else if (args.length > 0 && args[0].equalsIgnoreCase("savetobasefile")) {
- if (args.length > 2) {
- final String[] bits = args[1].split("/");
- final String functionName = bits[0];
- final String script = commandArgs.getArgumentsAsString(2);
- sendLine(origin, isSilent, FORMAT_OUTPUT, "Saving as '"+functionName+"': "+script);
- if (IdentityManager.getGlobalConfig().hasOptionString(myPlugin.getDomain(), "eval.baseFile")) {
- try {
- final String baseFile = myPlugin.getScriptDir()+'/'+IdentityManager.getGlobalConfig().getOption(myPlugin.getDomain(), "eval.baseFile");
- final FileWriter writer = new FileWriter(baseFile, true);
- writer.write("function ");
- writer.write(functionName);
- writer.write("(");
- for (int i = 1; i < bits.length; i++) {
- writer.write(bits[i]);
- writer.write(" ");
- }
- writer.write(") {\n");
- writer.write(script);
- writer.write("\n}\n");
- writer.flush();
- writer.close();
- } catch (IOException ioe) {
- sendLine(origin, isSilent, FORMAT_ERROR, "IOException: "+ioe.getMessage());
- }
- } else {
- sendLine(origin, isSilent, FORMAT_ERROR, "No baseFile specified, please /set "+myPlugin.getDomain()+" eval.baseFile filename (stored in scripts dir of profile)");
- }
- } else if (args.length > 1) {
- sendLine(origin, isSilent, FORMAT_ERROR, "You must specify some script to save.");
- } else {
- sendLine(origin, isSilent, FORMAT_ERROR, "You must specify a function name and some script to save.");
- }
- } else if (args.length > 0 && args[0].equalsIgnoreCase("help")) {
- sendLine(origin, isSilent, FORMAT_OUTPUT, "This command allows you to interact with the script plugin");
- sendLine(origin, isSilent, FORMAT_OUTPUT, "-------------------");
- sendLine(origin, isSilent, FORMAT_OUTPUT, "reload/rehash - Reload all loaded scripts");
- sendLine(origin, isSilent, FORMAT_OUTPUT, "load <script> - load scripts/<script> (file name relative to scripts dir)");
- sendLine(origin, isSilent, FORMAT_OUTPUT, "unload <script> - unload <script> (full file name)");
- sendLine(origin, isSilent, FORMAT_OUTPUT, "eval <script> - evaluate the code <script> and return the result");
- sendLine(origin, isSilent, FORMAT_OUTPUT, "savetobasefile <name> <script> - save the code <script> to the eval basefile ("+myPlugin.getDomain()+".eval.basefile)");
- sendLine(origin, isSilent, FORMAT_OUTPUT, " as the function <name> (name/foo/bar will save it as 'name' with foo and");
- sendLine(origin, isSilent, FORMAT_OUTPUT, " bar as arguments.");
- sendLine(origin, isSilent, FORMAT_OUTPUT, "-------------------");
- } else {
- sendLine(origin, isSilent, FORMAT_ERROR, "Unknown subcommand.");
- }
- }
-
- /**
- * Returns a list of suggestions for the specified argument, given the list
- * of previous arguments.
- * @param arg The argument that is being completed
- * @param previousArgs The contents of the previous arguments, if any
- * @return A list of suggestions for the argument
- */
- @Override
- public AdditionalTabTargets getSuggestions(final int arg, final List<String> previousArgs) {
- final AdditionalTabTargets res = new AdditionalTabTargets();
-
- res.excludeAll();
- if (arg == 0) {
- res.add("help");
- res.add("rehash");
- res.add("reload");
- res.add("load");
- res.add("unload");
- res.add("eval");
- res.add("savetobasefile");
- } else if (arg == 1) {
- final Map<String,ScriptEngineWrapper> scripts = myPlugin.getScripts();
- if (previousArgs.get(0).equalsIgnoreCase("load")) {
- for (String filename : getPossibleScripts()) {
- res.add(filename);
- }
- } else if (previousArgs.get(0).equalsIgnoreCase("unload")) {
- for (String filename : scripts.keySet()) {
- res.add(filename);
- }
- }
- }
-
- return res;
- }
-
- /**
- * Retrieves a list of all installed scripts.
- * Any file under the main plugin directory (~/.DMDirc/scripts or similar)
- * that matches *.js is deemed to be a valid script.
- *
- * @return A list of all installed scripts
- */
- private List<String> getPossibleScripts() {
- final List<String> res = new LinkedList<String>();
-
- final LinkedList<File> dirs = new LinkedList<File>();
- dirs.add(new File(myPlugin.getScriptDir()));
-
- while (!dirs.isEmpty()) {
- final File dir = dirs.pop();
- if (dir.isDirectory()) {
- for (File file : dir.listFiles()) {
- dirs.add(file);
- }
- } else if (dir.isFile() && dir.getName().endsWith(".js")) {
- final String target = dir.getPath();
- res.add(target.substring(myPlugin.getScriptDir().length(), target.length()));
- }
- }
- return res;
- }
-
- /**
- * Returns this command's name.
- *
- * @return The name of this command
- */
- @Override
- public String getName() { return "script"; }
-
- /**
- * Returns whether or not this command should be shown in help messages.
- *
- * @return True iff the command should be shown, false otherwise
- */
- @Override
- public boolean showInHelp() { return true; }
-
- /**
- * Returns a string representing the help message for this command.
- *
- * @return the help message for this command
- */
- @Override
- public String getHelp() { return "script - Allows controlling the script plugin"; }
- }
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