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groovy
groovy-2.4.21-jansi.patch
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File groovy-2.4.21-jansi.patch of Package groovy
--- groovy-2.4.21/src/main/org/codehaus/groovy/tools/shell/IO.java 2022-05-13 01:20:10.870359670 +0200 +++ groovy-2.4.21/src/main/org/codehaus/groovy/tools/shell/IO.java 2022-05-13 01:21:28.170851904 +0200 @@ -18,8 +18,8 @@ */ package org.codehaus.groovy.tools.shell; +import org.codehaus.groovy.runtime.InvokerHelper; import org.codehaus.groovy.tools.shell.util.Preferences; -import org.fusesource.jansi.AnsiRenderWriter; import java.io.Closeable; import java.io.IOException; @@ -36,6 +36,8 @@ */ public class IO implements Closeable { + private static final String ANSI_RENDER_WRITER = "org.fusesource.jansi.AnsiRenderWriter"; + /** Raw input stream. */ public final InputStream inputStream; @@ -55,6 +57,11 @@ public final PrintWriter err; /** + * Whether ansi support is available + */ + public final boolean ansiSupported; + + /** * Construct a new IO container. */ public IO(final InputStream inputStream, final OutputStream outputStream, final OutputStream errorStream) { @@ -67,8 +74,36 @@ this.errorStream = errorStream; this.in = new InputStreamReader(inputStream); - this.out = new AnsiRenderWriter(outputStream, true); - this.err = new AnsiRenderWriter(errorStream, true); + boolean ansiSupported = false; + try { + Class.forName(ANSI_RENDER_WRITER, false, IO.class.getClassLoader()); + ansiSupported = true; + } catch (ClassNotFoundException ignore) { + } + this.ansiSupported = ansiSupported; + PrintWriter out = null; + PrintWriter err = null; + if (ansiSupported) { + out = tryConstructRenderWriter(outputStream); + err = tryConstructRenderWriter(errorStream); + } + if (out == null) { + out = new PrintWriter(outputStream, true); + } + if (err == null) { + err = new PrintWriter(errorStream, true); + } + this.out = out; + this.err = err; + } + + protected PrintWriter tryConstructRenderWriter(OutputStream stream) { + // load via reflection to avoid hard-coded dependency on jansi jar + try { + return (PrintWriter) InvokerHelper.invokeConstructorOf(ANSI_RENDER_WRITER, new Object[]{stream, true}); + } catch (ClassNotFoundException ignore) { + return null; + } } /** --- groovy-2.4.21/src/main/org/codehaus/groovy/tools/shell/util/Logger.java 2022-05-13 01:20:10.870359670 +0200 +++ groovy-2.4.21/src/main/org/codehaus/groovy/tools/shell/util/Logger.java 2022-05-13 01:21:28.170851904 +0200 @@ -60,13 +60,12 @@ } } - Color color = GREEN; - if (WARN.equals(level) || ERROR.equals(level)) { - color = RED; + if (io.ansiSupported) { + logWithAnsi(level, msg); + } else { + logDefault(level, msg); } - io.out.println(ansi().a(INTENSITY_BOLD).fg(color).a(level).reset().a(" [").a(name).a("] ").a(msg)); - if (cause != null) { cause.printStackTrace(io.out); } @@ -74,6 +73,18 @@ io.flush(); } + private void logDefault(String level, Object msg) { + io.out.println(level + " [" + name + "] " + msg); + } + + private void logWithAnsi(String level, Object msg) { + Color color = GREEN; + if (WARN.equals(level) || ERROR.equals(level)) { + color = RED; + } + io.out.println(ansi().a(INTENSITY_BOLD).fg(color).a(level).reset().a(" [").a(name).a("] ").a(msg)); + } + // // Level helpers // --- groovy-2.4.21/subprojects/groovy-groovysh/src/main/groovy/org/codehaus/groovy/tools/shell/InteractiveShellRunner.groovy 2022-05-13 01:20:10.938360103 +0200 +++ groovy-2.4.21/subprojects/groovy-groovysh/src/main/groovy/org/codehaus/groovy/tools/shell/InteractiveShellRunner.groovy 2022-05-13 01:21:28.174851930 +0200 @@ -20,6 +20,8 @@ import jline.console.ConsoleReader import jline.console.completer.AggregateCompleter +import jline.console.completer.CandidateListCompletionHandler +import jline.console.completer.CompletionHandler import jline.console.history.FileHistory import org.codehaus.groovy.tools.shell.completion.CustomClassSyntaxCompletor import org.codehaus.groovy.tools.shell.completion.FileNameCompleter @@ -53,8 +55,16 @@ this.prompt = prompt this.wrappedInputStream = new WrappedInputStream(shell.io.inputStream) - this.reader = new PatchedConsoleReader(wrappedInputStream, shell.io.outputStream) - this.reader.setCompletionHandler(new PatchedCandidateListCompletionHandler()) + this.reader = new ConsoleReader(wrappedInputStream, shell.io.outputStream) + + CompletionHandler currentCompletionHandler = this.reader.getCompletionHandler() + if (currentCompletionHandler instanceof CandidateListCompletionHandler) { + // have to downcast because methods not part of the interface + ((CandidateListCompletionHandler) currentCompletionHandler).setStripAnsi(true) + ((CandidateListCompletionHandler) currentCompletionHandler).setPrintSpaceAfterFullCompletion(false) + } + + // expand events ia an advanced feature of JLine that clashes with Groovy syntax (e.g. invoke "2!=3") this.reader.expandEvents = false --- groovy-2.4.21/subprojects/groovy-groovysh/src/main/groovy/org/codehaus/groovy/tools/shell/Main.groovy 2022-05-13 01:20:10.938360103 +0200 +++ groovy-2.4.21/subprojects/groovy-groovysh/src/main/groovy/org/codehaus/groovy/tools/shell/Main.groovy 2022-05-13 01:23:33.135645959 +0200 @@ -22,7 +22,6 @@ import jline.UnixTerminal import jline.UnsupportedTerminal import jline.WindowsTerminal -import org.codehaus.groovy.tools.shell.util.HelpFormatter import org.codehaus.groovy.tools.shell.util.Logger import org.codehaus.groovy.tools.shell.util.MessageSource import org.codehaus.groovy.tools.shell.util.NoExitSecurityManager @@ -66,8 +64,9 @@ * @param main must have a Groovysh member that has an IO member. */ static void main(final String[] args) { - CliBuilder cli = new CliBuilder(usage: 'groovysh [options] [...]', formatter: new HelpFormatter(), stopAtNonOption: false) MessageSource messages = new MessageSource(Main) + CliBuilder cli = new CliBuilder(usage: 'groovysh [options] [...]', stopAtNonOption: false, + header: messages['cli.option.header']) cli.with { classpath(messages['cli.option.classpath.description']) cp(longOpt: 'classpath', messages['cli.option.cp.description']) --- groovy-2.4.21/subprojects/groovy-groovysh/src/main/groovy/org/codehaus/groovy/tools/shell/PatchedCandidateListCompletionHandler.groovy 2022-05-13 01:20:10.938360103 +0200 +++ groovy-2.4.21/subprojects/groovy-groovysh/src/main/groovy/org/codehaus/groovy/tools/shell/PatchedCandidateListCompletionHandler.groovy 1970-01-01 01:00:00.000000000 +0100 @@ -1,112 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ -package org.codehaus.groovy.tools.shell - -import groovy.transform.CompileStatic -import jline.console.ConsoleReader -import jline.console.CursorBuffer -import jline.console.completer.CandidateListCompletionHandler -import org.codehaus.groovy.tools.shell.util.JAnsiHelper - -/** - * jline completion handler displays ANSIfied candidates nicely, - * but does not de-ANSIfy when adding to the prompt :-( - * - * So this class just adds this functionality. - * - * See https://github.com/jline/jline2/issues/132 - */ -@CompileStatic -class PatchedCandidateListCompletionHandler extends CandidateListCompletionHandler { - - public boolean complete(final ConsoleReader reader, final List<CharSequence> candidates, final int pos) throws - IOException - { - CursorBuffer buf = reader.getCursorBuffer(); - final List<CharSequence> deAnsifiedcandidates = candidates.collect({CharSequence candidate -> JAnsiHelper.stripAnsi(candidate) }) - - // if there is only one completion, then fill in the buffer - if (candidates.size() == 1) { - CharSequence value = deAnsifiedcandidates.get(0); - - // fail if the only candidate is the same as the current buffer - if (value.equals(buf.toString())) { - return false; - } - - setBuffer(reader, value, pos); - - return true; - } - else if (candidates.size() > 1) { - String value = this.getUnambiguousCompletions(deAnsifiedcandidates); - setBuffer(reader, value, pos); - } - - printCandidates(reader, candidates); - - // redraw the current console buffer - reader.drawLine(); - - return true; - } - - /** - * copied from CandidateListCompletionHandler because it was private :-( - * Returns a root that matches all the {@link String} elements of the specified {@link List}, - * or null if there are no commonalities. For example, if the list contains - * <i>foobar</i>, <i>foobaz</i>, <i>foobuz</i>, the method will return <i>foob</i>. - */ - private String getUnambiguousCompletions(final List<CharSequence> candidates) { - if (candidates == null || candidates.isEmpty()) { - return null; - } - - // convert to an array for speed - String[] strings = candidates.toArray(new String[candidates.size()]); - - String first = strings[0]; - StringBuilder candidate = new StringBuilder(); - - for (int i = 0; i < first.length(); i++) { - if (startsWith(first.substring(0, i + 1), strings)) { - candidate.append(first.charAt(i)); - } - else { - break; - } - } - - return candidate.toString(); - } - - /** - * copied from CandidateListCompletionHandler because it was private :-( - * @return true is all the elements of <i>candidates</i> start with <i>starts</i> - */ - private boolean startsWith(final String starts, final String[] candidates) { - for (String candidate : candidates) { - if (!candidate.startsWith(starts)) { - return false; - } - } - - return true; - } -} --- groovy-2.4.21/subprojects/groovy-groovysh/src/main/groovy/org/codehaus/groovy/tools/shell/PatchedConsoleReader.groovy 2022-05-13 01:20:10.938360103 +0200 +++ groovy-2.4.21/subprojects/groovy-groovysh/src/main/groovy/org/codehaus/groovy/tools/shell/PatchedConsoleReader.groovy 1970-01-01 01:00:00.000000000 +0100 @@ -1,107 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ -package org.codehaus.groovy.tools.shell - -import groovy.transform.CompileStatic -import jline.console.ConsoleReader -import jline.internal.Log -import org.codehaus.groovy.tools.shell.util.JAnsiHelper - -@CompileStatic -class PatchedConsoleReader extends ConsoleReader { - - - public PatchedConsoleReader(final InputStream inStream, final OutputStream out) throws IOException { - super(inStream, out); - } - - /** - * copied from jline2.0 and modified to invoke stripAnsi() for length calculations - * Output the specified {@link Collection} in proper columns. - * See https://github.com/jline/jline2/issues/132 - */ - public void printColumns(final Collection<? extends CharSequence> items) throws IOException { - if (items == null || items.isEmpty()) { - return; - } - - int width = getTerminal().getWidth(); - int height = getTerminal().getHeight(); - - int maxWidth = 0; - for (CharSequence item : items) { - maxWidth = Math.max(maxWidth, JAnsiHelper.stripAnsi(item).length()); - } - maxWidth = maxWidth + 3; - Log.debug("Max width: ", maxWidth); - - int showLines; - if (isPaginationEnabled()) { - showLines = height - 1; // page limit - } - else { - showLines = Integer.MAX_VALUE; - } - - StringBuilder buff = new StringBuilder(); - int realLength = 0; - for (CharSequence item : items) { - if ((realLength + maxWidth) > width) { - println(buff); - buff.setLength(0); - realLength = 0; - - if (--showLines == 0) { - // Overflow - print(resources.getString("DISPLAY_MORE")); - flush(); - int c = readCharacter(); - if (c == '\r' || c == '\n') { - // one step forward - showLines = 1; - } - else if (c != 'q') { - // page forward - showLines = height - 1; - } - - back(resources.getString("DISPLAY_MORE").length()); - if (c == 'q') { - // cancel - break; - } - } - } - - // NOTE: toString() is important here due to AnsiString being retarded - buff.append(item.toString()); - int strippedItemLength = JAnsiHelper.stripAnsi(item).length() - realLength += strippedItemLength - for (int i = 0; i < (maxWidth - strippedItemLength); i++) { - buff.append(' '); - } - realLength += maxWidth - strippedItemLength; - } - - if (buff.length() > 0) { - println(buff); - } - } - -} --- groovy-2.4.21/subprojects/groovy-groovysh/src/main/groovy/org/codehaus/groovy/tools/shell/util/HelpFormatter.groovy 2022-05-13 01:20:10.938360103 +0200 +++ groovy-2.4.21/subprojects/groovy-groovysh/src/main/groovy/org/codehaus/groovy/tools/shell/util/HelpFormatter.groovy 1970-01-01 01:00:00.000000000 +0100 @@ -1,119 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ -package org.codehaus.groovy.tools.shell.util - -import jline.Terminal -import org.apache.commons.cli.Option -import org.apache.commons.cli.Options - -// -// NOTE: Some code duplicated and augmented from commons-cli (1.0) sources to -// properly render options w/arguments. -// - - -/** - * Custom CLI help formatter to render things correctly. - * - * @author <a href="mailto:jason@planet57.com">Jason Dillon</a> - */ -class HelpFormatter - extends org.apache.commons.cli.HelpFormatter -{ - HelpFormatter() { - leftPadding = 2 - descPadding = 4 - } - - // Detect the terminal width late - int getDefaultWidth() { - return Terminal.terminal.terminalWidth - 1 - } - - @Override - protected StringBuffer renderOptions(final StringBuffer sb, final int width, final Options options, final int leftPad, final int descPad) { - assert sb != null - assert options - - List<StringBuffer> prefixes = [] - String lpad = ' ' * leftPad - - List<Option> opts = options.shortOpts.values().sort {Option a, Option b -> - return (a.opt == ' ' ? a.longOpt : a.opt) <=> (b.opt == ' ' ? b.longOpt : b.opt) - } - - // Render the prefixes (-X,--xxxx muck) - opts.each {Option option -> - StringBuffer buff = new StringBuffer(8) - - if (option.opt == ' ') { - buff << "${lpad} ${longOptPrefix}${option.longOpt}" - } - else { - buff << "${lpad}${optPrefix}${option.opt}" - - if (option.hasLongOpt()) { - buff << ", ${longOptPrefix}${option.longOpt}" - } - } - - if (option.hasArg()) { - if (option.hasArgName()) { - if (option.hasOptionalArg()) { - buff << "[=${option.argName}]" - } - else { - buff << "=${option.argName}" - } - } - else { - buff << ' ' - } - } - - prefixes << buff - } - - // Figure out how long the biggest prefix is - int maxPrefix = prefixes.max {StringBuffer a, StringBuffer b -> a.size() <=> b.size() }.size() - - String dpad = ' ' * descPad - - // And then render each option's prefix with its description - opts.eachWithIndex {Option option, int i -> - def buff = new StringBuffer(prefixes[i].toString()) - - if (buff.size() < maxPrefix) { - buff << ' ' * (maxPrefix - buff.size()) - } - buff << dpad - - int nextLineTabStop = maxPrefix + descPad - String text = buff << option.description - - renderWrappedText(sb, width, nextLineTabStop, text) - - if (i < opts.size() - 1) { - sb << newLine - } - } - - return sb - } -} --- groovy-2.4.21/subprojects/groovy-groovysh/src/main/groovy/org/codehaus/groovy/tools/shell/util/JAnsiHelper.groovy 2022-05-13 01:20:10.938360103 +0200 +++ groovy-2.4.21/subprojects/groovy-groovysh/src/main/groovy/org/codehaus/groovy/tools/shell/util/JAnsiHelper.groovy 1970-01-01 01:00:00.000000000 +0100 @@ -1,42 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ -package org.codehaus.groovy.tools.shell.util - -import groovy.transform.CompileStatic -import org.fusesource.jansi.AnsiOutputStream - -@CompileStatic -class JAnsiHelper { - - /** - * copied from jline2 ConsoleReader - */ - static CharSequence stripAnsi(final CharSequence str) { - if (str == null) return '' - try { - ByteArrayOutputStream baos = new ByteArrayOutputStream() - AnsiOutputStream aos = new AnsiOutputStream(baos) - aos.write(str.toString().bytes) - aos.flush() - return baos.toString() - } catch (IOException e) { - return str - } - } -}
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