11663000464

Committed 04 Nov 2024 11:07AM UTC coverage: 66.948%. Remained the same

Build # 11663000464

Build Type

Pull #738

github

Committed by

web-flow

Commit Message

Merge d78dfd285 into 15910e5eb

Pull Request Pull Request #738: #168: Removed BuiltIns TODO entry

Run Details

2421 of 3958 branches covered (61.17%)

Branch coverage included in aggregate %.

6311 of 9085 relevant lines covered (69.47%)

3.06 hits per line

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3.7

cli/src/main/java/com/devonfw/tools/ide/commandlet/ShellCommandlet.java

package com.devonfw.tools.ide.commandlet;

import java.io.IOException;
import java.util.Iterator;

import org.fusesource.jansi.AnsiConsole;
import org.jline.reader.Completer;
import org.jline.reader.EndOfFileException;
import org.jline.reader.LineReader;
import org.jline.reader.LineReaderBuilder;
import org.jline.reader.MaskingCallback;
import org.jline.reader.Parser;
import org.jline.reader.UserInterruptException;
import org.jline.reader.impl.DefaultParser;
import org.jline.reader.impl.completer.AggregateCompleter;
import org.jline.reader.impl.completer.StringsCompleter;
import org.jline.terminal.Terminal;
import org.jline.terminal.TerminalBuilder;
import org.jline.widget.AutosuggestionWidgets;

import com.devonfw.tools.ide.cli.CliArgument;
import com.devonfw.tools.ide.cli.CliArguments;
import com.devonfw.tools.ide.completion.IdeCompleter;
import com.devonfw.tools.ide.context.AbstractIdeContext;
import com.devonfw.tools.ide.context.IdeContext;
import com.devonfw.tools.ide.property.BooleanProperty;
import com.devonfw.tools.ide.property.KeywordProperty;
import com.devonfw.tools.ide.property.Property;

/**
 * {@link Commandlet} for internal interactive shell with build-in auto-completion and help.
 */
public final class ShellCommandlet extends Commandlet {

  private static final int AUTOCOMPLETER_MAX_RESULTS = 50;

  private static final int RC_EXIT = 987654321;

  /**
   * The constructor.
   *
   * @param context the {@link IdeContext}.
   */
  public ShellCommandlet(IdeContext context) {

    super(context);
    addKeyword(getName());
  }

  @Override
  public String getName() {

    return "shell";
  }

  @Override
  public boolean isIdeHomeRequired() {

    return false;
  }

  @Override
  public void run() {

    try {
      Parser parser = new DefaultParser();
      try (Terminal terminal = TerminalBuilder.builder().build()) {

        // initialize our own completer here and add exit as an autocompletion option
        Completer completer = new AggregateCompleter(
            new StringsCompleter("exit"), new IdeCompleter((AbstractIdeContext) this.context));

        LineReader reader = LineReaderBuilder.builder().terminal(terminal).completer(completer).parser(parser)
            .variable(LineReader.LIST_MAX, AUTOCOMPLETER_MAX_RESULTS).build();

        // Create autosuggestion widgets
        AutosuggestionWidgets autosuggestionWidgets = new AutosuggestionWidgets(reader);
        // Enable autosuggestions
        autosuggestionWidgets.enable();

        // TODO: implement TailTipWidgets, see: https://github.com/devonfw/IDEasy/issues/169

        String prompt = "ide> ";
        String rightPrompt = null;
        String line;

        AnsiConsole.systemInstall();
        while (true) {
          try {
            line = reader.readLine(prompt, rightPrompt, (MaskingCallback) null, null);
            line = line.trim();
            if (line.equals("exit")) {
              return;
            }
            reader.getHistory().add(line);
            int rc = runCommand(line);
            if (rc == RC_EXIT) {
              return;
            }
          } catch (UserInterruptException e) {
            // Ignore CTRL+C
            return;
          } catch (EndOfFileException e) {
            // CTRL+D
            return;
          } finally {
            AnsiConsole.systemUninstall();
          }
        }

      } catch (IOException e) {
        throw new RuntimeException(e);
      }
    } catch (Exception e) {
      throw new RuntimeException("Unexpected error during interactive auto-completion", e);
    }
  }

  /**
   * Converts String of arguments to array and runs the command
   *
   * @param args String of arguments
   * @return status code
   */
  private int runCommand(String args) {

    if ("exit".equals(args) || "quit".equals(args)) {
      return RC_EXIT;
    }
    String[] arguments = args.split(" ", 0);
    CliArguments cliArgs = new CliArguments(arguments);
    cliArgs.next();
    return ((AbstractIdeContext) this.context).run(cliArgs);
  }

  /**
   * @param argument the current {@link CliArgument} (position) to match.
   * @param commandlet the potential {@link Commandlet} to match.
   * @return {@code true} if the given {@link Commandlet} matches to the given {@link CliArgument}(s) and those have been applied (set in the {@link Commandlet}
   *     and {@link Commandlet#validate() validated}), {@code false} otherwise (the {@link Commandlet} did not match and we have to try a different candidate).
   */
  private boolean apply(CliArgument argument, Commandlet commandlet) {

    this.context.trace("Trying to match arguments to commandlet {}", commandlet.getName());
    CliArgument currentArgument = argument;
    Iterator<Property<?>> valueIterator = commandlet.getValues().iterator();
    Property<?> currentProperty = null;
    boolean endOpts = false;
    while (!currentArgument.isEnd()) {
      if (currentArgument.isEndOptions()) {
        endOpts = true;
      } else {
        String arg = currentArgument.get();
        this.context.trace("Trying to match argument '{}'", currentArgument);
        if ((currentProperty != null) && (currentProperty.isExpectValue())) {
          currentProperty.setValueAsString(arg, this.context);
          if (!currentProperty.isMultiValued()) {
            currentProperty = null;
          }
        } else {
          Property<?> property = null;
          if (!endOpts) {
            property = commandlet.getOption(currentArgument.getKey());
          }
          if (property == null) {
            if (!valueIterator.hasNext()) {
              this.context.trace("No option or next value found");
              return false;
            }
            currentProperty = valueIterator.next();
            this.context.trace("Next value candidate is {}", currentProperty);
            if (currentProperty instanceof KeywordProperty keyword) {
              if (keyword.matches(arg)) {
                keyword.setValue(Boolean.TRUE);
                this.context.trace("Keyword matched");
              } else {
                this.context.trace("Missing keyword");
                return false;
              }
            } else {
              boolean success = currentProperty.assignValueAsString(arg, this.context, commandlet);
              if (!success && currentProperty.isRequired()) {
                return false;
              }
            }
            if ((currentProperty != null) && !currentProperty.isMultiValued()) {
              currentProperty = null;
            }
          } else {
            this.context.trace("Found option by name");
            String value = currentArgument.getValue();
            if (value != null) {
              property.setValueAsString(value, this.context);
            } else if (property instanceof BooleanProperty) {
              ((BooleanProperty) property).setValue(Boolean.TRUE);
            } else {
              currentProperty = property;
              if (property.isEndOptions()) {
                endOpts = true;
              }
              throw new UnsupportedOperationException("not implemented");
            }
          }
        }
      }
      currentArgument = currentArgument.getNext(!endOpts);
    }
    return commandlet.validate().isValid();
  }
}

1	package com.devonfw.tools.ide.commandlet;
2
3	import java.io.IOException;
4	import java.util.Iterator;
5
6	import org.fusesource.jansi.AnsiConsole;
7	import org.jline.reader.Completer;
8	import org.jline.reader.EndOfFileException;
9	import org.jline.reader.LineReader;
10	import org.jline.reader.LineReaderBuilder;
11	import org.jline.reader.MaskingCallback;
12	import org.jline.reader.Parser;
13	import org.jline.reader.UserInterruptException;
14	import org.jline.reader.impl.DefaultParser;
15	import org.jline.reader.impl.completer.AggregateCompleter;
16	import org.jline.reader.impl.completer.StringsCompleter;
17	import org.jline.terminal.Terminal;
18	import org.jline.terminal.TerminalBuilder;
19	import org.jline.widget.AutosuggestionWidgets;
20
21	import com.devonfw.tools.ide.cli.CliArgument;
22	import com.devonfw.tools.ide.cli.CliArguments;
23	import com.devonfw.tools.ide.completion.IdeCompleter;
24	import com.devonfw.tools.ide.context.AbstractIdeContext;
25	import com.devonfw.tools.ide.context.IdeContext;
26	import com.devonfw.tools.ide.property.BooleanProperty;
27	import com.devonfw.tools.ide.property.KeywordProperty;
28	import com.devonfw.tools.ide.property.Property;
29
30	/**
31	* {@link Commandlet} for internal interactive shell with build-in auto-completion and help.
32	*/
33	public final class ShellCommandlet extends Commandlet {
34
35	private static final int AUTOCOMPLETER_MAX_RESULTS = 50;
36
37	private static final int RC_EXIT = 987654321;
38
39	/**
40	* The constructor.
41	*
42	* @param context the {@link IdeContext}.
43	*/
44	public ShellCommandlet(IdeContext context) {
45
46	super(context);	3✔
47	addKeyword(getName());	4✔
48	}	1✔
49
50	@Override
51	public String getName() {
52
53	return "shell";	2✔
54	}
55
56	@Override
57	public boolean isIdeHomeRequired() {
58
59	return false;	2✔
60	}
61
62	@Override
63	public void run() {
64
65	try {
66	Parser parser = new DefaultParser();	×
67	try (Terminal terminal = TerminalBuilder.builder().build()) {	×
68
69	// initialize our own completer here and add exit as an autocompletion option
70	Completer completer = new AggregateCompleter(	×
71	new StringsCompleter("exit"), new IdeCompleter((AbstractIdeContext) this.context));
72
73	LineReader reader = LineReaderBuilder.builder().terminal(terminal).completer(completer).parser(parser)	×
74	.variable(LineReader.LIST_MAX, AUTOCOMPLETER_MAX_RESULTS).build();	×
75
76	// Create autosuggestion widgets
77	AutosuggestionWidgets autosuggestionWidgets = new AutosuggestionWidgets(reader);	×
78	// Enable autosuggestions
79	autosuggestionWidgets.enable();	×
80
81	// TODO: implement TailTipWidgets, see: https://github.com/devonfw/IDEasy/issues/169
82
83	String prompt = "ide> ";	×
84	String rightPrompt = null;	×
85	String line;
86
87	AnsiConsole.systemInstall();	×
88	while (true) {
89	try {
90	line = reader.readLine(prompt, rightPrompt, (MaskingCallback) null, null);	×
91	line = line.trim();	×
92	if (line.equals("exit")) {	×
93	return;	×
94	}
95	reader.getHistory().add(line);	×
96	int rc = runCommand(line);	×
97	if (rc == RC_EXIT) {	×
98	return;	×
99	}
100	} catch (UserInterruptException e) {	×
101	// Ignore CTRL+C
102	return;	×
103	} catch (EndOfFileException e) {	×
104	// CTRL+D
105	return;	×
106	} finally {
107	AnsiConsole.systemUninstall();	×
108	}	×
109	}
110
111	} catch (IOException e) {	×
112	throw new RuntimeException(e);	×
113	}
114	} catch (Exception e) {	×
115	throw new RuntimeException("Unexpected error during interactive auto-completion", e);	×
116	}
117	}
118
119	/**
120	* Converts String of arguments to array and runs the command
121	*
122	* @param args String of arguments
123	* @return status code
124	*/
125	private int runCommand(String args) {
126
127	if ("exit".equals(args) \|\| "quit".equals(args)) {	×
128	return RC_EXIT;	×
129	}
130	String[] arguments = args.split(" ", 0);	×
131	CliArguments cliArgs = new CliArguments(arguments);	×
132	cliArgs.next();	×
133	return ((AbstractIdeContext) this.context).run(cliArgs);	×
134	}
135
136	/**
137	* @param argument the current {@link CliArgument} (position) to match.
138	* @param commandlet the potential {@link Commandlet} to match.
139	* @return {@code true} if the given {@link Commandlet} matches to the given {@link CliArgument}(s) and those have been applied (set in the {@link Commandlet}
140	* and {@link Commandlet#validate() validated}), {@code false} otherwise (the {@link Commandlet} did not match and we have to try a different candidate).
141	*/
142	private boolean apply(CliArgument argument, Commandlet commandlet) {
143
144	this.context.trace("Trying to match arguments to commandlet {}", commandlet.getName());	×
145	CliArgument currentArgument = argument;	×
146	Iterator<Property<?>> valueIterator = commandlet.getValues().iterator();	×
147	Property<?> currentProperty = null;	×
148	boolean endOpts = false;	×
149	while (!currentArgument.isEnd()) {	×
150	if (currentArgument.isEndOptions()) {	×
151	endOpts = true;	×
152	} else {
153	String arg = currentArgument.get();	×
154	this.context.trace("Trying to match argument '{}'", currentArgument);	×
155	if ((currentProperty != null) && (currentProperty.isExpectValue())) {	×
156	currentProperty.setValueAsString(arg, this.context);	×
157	if (!currentProperty.isMultiValued()) {	×
158	currentProperty = null;	×
159	}
160	} else {
161	Property<?> property = null;	×
162	if (!endOpts) {	×
163	property = commandlet.getOption(currentArgument.getKey());	×
164	}
165	if (property == null) {	×
166	if (!valueIterator.hasNext()) {	×
167	this.context.trace("No option or next value found");	×
168	return false;	×
169	}
170	currentProperty = valueIterator.next();	×
171	this.context.trace("Next value candidate is {}", currentProperty);	×
172	if (currentProperty instanceof KeywordProperty keyword) {	×
173	if (keyword.matches(arg)) {	×
174	keyword.setValue(Boolean.TRUE);	×
175	this.context.trace("Keyword matched");	×
176	} else {
177	this.context.trace("Missing keyword");	×
178	return false;	×
179	}
180	} else {
181	boolean success = currentProperty.assignValueAsString(arg, this.context, commandlet);	×
182	if (!success && currentProperty.isRequired()) {	×
183	return false;	×
184	}
185	}
186	if ((currentProperty != null) && !currentProperty.isMultiValued()) {	×
187	currentProperty = null;	×
188	}
189	} else {
190	this.context.trace("Found option by name");	×
191	String value = currentArgument.getValue();	×
192	if (value != null) {	×
193	property.setValueAsString(value, this.context);	×
194	} else if (property instanceof BooleanProperty) {	×
195	((BooleanProperty) property).setValue(Boolean.TRUE);	×
196	} else {
197	currentProperty = property;	×
198	if (property.isEndOptions()) {	×
199	endOpts = true;	×
200	}
201	throw new UnsupportedOperationException("not implemented");	×
202	}
203	}
204	}
205	}
206	currentArgument = currentArgument.getNext(!endOpts);	×
207	}
208	return commandlet.validate().isValid();	×
209	}
210	}

devonfw / IDEasy / 11663000464

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