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package org.apache.commons.cli2.option; |
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import java.util.ArrayList; |
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import java.util.Collections; |
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import java.util.Comparator; |
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import java.util.List; |
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import java.util.ListIterator; |
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import java.util.Set; |
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import org.apache.commons.cli2.Argument; |
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import org.apache.commons.cli2.DisplaySetting; |
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import org.apache.commons.cli2.Group; |
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import org.apache.commons.cli2.Option; |
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import org.apache.commons.cli2.OptionException; |
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import org.apache.commons.cli2.Parent; |
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import org.apache.commons.cli2.WriteableCommandLine; |
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public abstract class ParentImpl |
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extends OptionImpl implements Parent { |
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private static final char NUL = '\0'; |
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private final Group children; |
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private final Argument argument; |
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private final String description; |
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protected ParentImpl(final Argument argument, |
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final Group children, |
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final String description, |
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final int id, |
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final boolean required) { |
50 | 1295 | super(id, required); |
51 | 1295 | this.children = children; |
52 | 1295 | this.argument = argument; |
53 | 1295 | this.description = description; |
54 | 1295 | } |
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public void process(final WriteableCommandLine commandLine, |
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final ListIterator arguments) |
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throws OptionException { |
65 | 141 | if (argument != null) { |
66 | 52 | handleInitialSeparator(arguments, argument.getInitialSeparator()); |
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} |
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69 | 141 | processParent(commandLine, arguments); |
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71 | 140 | if (argument != null) { |
72 | 52 | argument.processValues(commandLine, arguments, this); |
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} |
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75 | 140 | if ((children != null) && children.canProcess(commandLine, arguments)) { |
76 | 5 | children.process(commandLine, arguments); |
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} |
78 | 140 | } |
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public boolean canProcess(final WriteableCommandLine commandLine, |
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final String arg) { |
87 | 200 | final Set triggers = getTriggers(); |
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89 | 200 | if (argument != null) { |
90 | 49 | final char separator = argument.getInitialSeparator(); |
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93 | 49 | if (separator != NUL) { |
94 | 15 | final int initialIndex = arg.indexOf(separator); |
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97 | 15 | if (initialIndex > 0) { |
98 | 9 | return triggers.contains(arg.substring(0, initialIndex)); |
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} |
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} |
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} |
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103 | 191 | return triggers.contains(arg); |
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} |
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public Set getPrefixes() { |
112 | 1767 | return (children == null) ? Collections.EMPTY_SET : children.getPrefixes(); |
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} |
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public void validate(WriteableCommandLine commandLine) |
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throws OptionException { |
122 | 110 | if (commandLine.hasOption(this)) { |
123 | 107 | if (argument != null) { |
124 | 47 | argument.validate(commandLine, this); |
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} |
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127 | 106 | if (children != null) { |
128 | 5 | children.validate(commandLine); |
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} |
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} |
131 | 108 | } |
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public void appendUsage(final StringBuffer buffer, |
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final Set helpSettings, |
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final Comparator comp) { |
142 | 223 | final boolean displayArgument = |
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(this.argument != null) && |
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helpSettings.contains(DisplaySetting.DISPLAY_PARENT_ARGUMENT); |
145 | 223 | final boolean displayChildren = |
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(this.children != null) && |
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helpSettings.contains(DisplaySetting.DISPLAY_PARENT_CHILDREN); |
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149 | 223 | if (displayArgument) { |
150 | 27 | buffer.append(' '); |
151 | 27 | argument.appendUsage(buffer, helpSettings, comp); |
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} |
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154 | 223 | if (displayChildren) { |
155 | 2 | buffer.append(' '); |
156 | 2 | children.appendUsage(buffer, helpSettings, comp); |
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} |
158 | 223 | } |
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public String getDescription() { |
164 | 3417 | return description; |
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} |
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public List helpLines(final int depth, |
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final Set helpSettings, |
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final Comparator comp) { |
176 | 107 | final List helpLines = new ArrayList(); |
177 | 107 | helpLines.add(new HelpLineImpl(this, depth)); |
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179 | 107 | if (helpSettings.contains(DisplaySetting.DISPLAY_PARENT_ARGUMENT) && (argument != null)) { |
180 | 2 | helpLines.addAll(argument.helpLines(depth + 1, helpSettings, comp)); |
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} |
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183 | 107 | if (helpSettings.contains(DisplaySetting.DISPLAY_PARENT_CHILDREN) && (children != null)) { |
184 | 2 | helpLines.addAll(children.helpLines(depth + 1, helpSettings, comp)); |
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} |
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187 | 107 | return helpLines; |
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} |
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public Argument getArgument() { |
194 | 21 | return argument; |
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} |
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public Group getChildren() { |
201 | 1 | return children; |
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} |
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private void handleInitialSeparator(final ListIterator arguments, |
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final char separator) { |
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212 | 52 | final String newArgument = (String) arguments.next(); |
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215 | 52 | final int initialIndex = newArgument.indexOf(separator); |
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217 | 52 | if (initialIndex > 0) { |
218 | 4 | arguments.remove(); |
219 | 4 | arguments.add(newArgument.substring(0, initialIndex)); |
220 | 4 | String value = newArgument.substring(initialIndex + 1); |
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223 | 4 | if (value.startsWith("-")) { |
224 | 1 | value = '"' + value + '"'; |
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} |
226 | 4 | arguments.add(value); |
227 | 4 | arguments.previous(); |
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} |
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230 | 52 | arguments.previous(); |
231 | 52 | } |
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public Option findOption(final String trigger) { |
237 | 430 | final Option found = super.findOption(trigger); |
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239 | 430 | if ((found == null) && (children != null)) { |
240 | 3 | return children.findOption(trigger); |
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} else { |
242 | 427 | return found; |
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} |
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} |
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public void defaults(final WriteableCommandLine commandLine) { |
247 | 265 | super.defaults(commandLine); |
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249 | 265 | if (argument != null) { |
250 | 82 | argument.defaultValues(commandLine, this); |
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} |
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253 | 265 | if (children != null) { |
254 | 5 | children.defaults(commandLine); |
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} |
256 | 265 | } |
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} |