- java.lang.Object
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- net.sourceforge.argparse4j.internal.SubparsersImpl
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- All Implemented Interfaces:
Subparsers
public final class SubparsersImpl extends java.lang.Object implements Subparsers
The application code must not use this class directly.
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Field Summary
Fields Modifier and Type Field Description private java.lang.String
description_
private java.lang.String
dest_
private java.lang.String
help_
private ArgumentParserImpl
mainParser_
private java.lang.String
metavar_
private java.util.Map<java.lang.String,SubparserImpl>
parsers_
The key is subparser command or alias name and value is subparser object.private java.lang.String
title_
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Constructor Summary
Constructors Constructor Description SubparsersImpl(ArgumentParserImpl mainParser)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description (package private) void
addAlias(SubparserImpl subparser, java.lang.String... alias)
Adds Subparser alias names for given Subparser.SubparserImpl
addParser(java.lang.String command)
Adds and returnsSubparser
object with given sub-command name.SubparserImpl
addParser(java.lang.String command, boolean addHelp)
Adds and returnsSubparser
object with given sub-command name and addHelp.SubparserImpl
addParser(java.lang.String command, boolean addHelp, java.lang.String prefixChars)
Adds and returnsSubparser
object with given sub-command name, addHelp and prefixChars.SubparsersImpl
description(java.lang.String description)
Sets the text to display to briefly describe sub-commands in the help message.SubparsersImpl
dest(java.lang.String dest)
Sets the name of attribute which the selected command name is stored.(package private) java.lang.String
formatShortSyntax()
(package private) java.util.Collection<java.lang.String>
getCommands()
Returns collection of the sub-command name under this object.java.lang.String
getDescription()
java.lang.String
getTitle()
(package private) boolean
hasNotSuppressedSubCommand()
Return true if SubparserImpl has at least one sub-command whose help output is not suppressed.(package private) boolean
hasSubCommand()
SubparsersImpl
help(java.lang.String help)
Sets the text to display in the help message for sub-commands.private java.lang.String
localize(java.lang.String messageKey)
SubparsersImpl
metavar(java.lang.String metavar)
Sets the text used to represent sub-commands in help messages.(package private) void
parseArg(ParseState state, java.util.Map<java.lang.String,java.lang.Object> opts)
(package private) void
printSubparserHelp(java.io.PrintWriter writer, int format_width)
Writes the help message for this and descendants.private SubparserImpl
resolveNextSubparser(java.lang.String command)
Get next SubparserImpl from given command and state.SubparsersImpl
title(java.lang.String title)
Sets the text to display as a title of sub-commands in the help message.
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Field Detail
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mainParser_
private final ArgumentParserImpl mainParser_
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parsers_
private final java.util.Map<java.lang.String,SubparserImpl> parsers_
The key is subparser command or alias name and value is subparser object. The real command and alias names share the same subparser object. To identify the aliases, check key equals toSubparserImpl.getCommand()
. If they are equal, it is not alias.
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help_
private java.lang.String help_
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title_
private java.lang.String title_
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description_
private java.lang.String description_
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dest_
private java.lang.String dest_
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metavar_
private java.lang.String metavar_
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Constructor Detail
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SubparsersImpl
SubparsersImpl(ArgumentParserImpl mainParser)
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Method Detail
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addParser
public SubparserImpl addParser(java.lang.String command)
Description copied from interface:Subparsers
Adds and returns
Subparser
object with given sub-command name. The given command must be unique for each Subparsers instance.The prefixChars is inherited from main ArgumentParser.
- Specified by:
addParser
in interfaceSubparsers
- Parameters:
command
- Sub-command name- Returns:
Subparser
object.
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addParser
public SubparserImpl addParser(java.lang.String command, boolean addHelp)
Description copied from interface:Subparsers
Adds and returns
Subparser
object with given sub-command name and addHelp. The given command must be unique for each Subparsers instance.For
addHelp
, seeArgumentParsers.newArgumentParser(String, boolean, String)
. The prefixChars is inherited from main ArgumentParser.- Specified by:
addParser
in interfaceSubparsers
- Parameters:
command
- Sub-command nameaddHelp
- If true,-h/--help
are available. If false, they are not.- Returns:
Subparser
object
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addParser
public SubparserImpl addParser(java.lang.String command, boolean addHelp, java.lang.String prefixChars)
Description copied from interface:Subparsers
Adds and returns
Subparser
object with given sub-command name, addHelp and prefixChars. The given command must be unique for each Subparsers instance.For
addHelp
, seeArgumentParsers.newArgumentParser(String, boolean, String)
.- Specified by:
addParser
in interfaceSubparsers
- Parameters:
command
- Sub-command nameaddHelp
- If true,-h/--help
are available. If false, they are not.prefixChars
- The set of characters that prefix named arguments.- Returns:
Subparser
object
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dest
public SubparsersImpl dest(java.lang.String dest)
Description copied from interface:Subparsers
Sets the name of attribute which the selected command name is stored.- Specified by:
dest
in interfaceSubparsers
- Parameters:
dest
- The name of attribute the selected command name is stored.- Returns:
- this.
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help
public SubparsersImpl help(java.lang.String help)
Description copied from interface:Subparsers
Sets the text to display in the help message for sub-commands.- Specified by:
help
in interfaceSubparsers
- Parameters:
help
- The text to display in the help message.- Returns:
- this
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title
public SubparsersImpl title(java.lang.String title)
Description copied from interface:Subparsers
Sets the text to display as a title of sub-commands in the help message.
If either title or description(
Subparsers.description(String)
) is specified, sub-command help will be displayed in its own group.- Specified by:
title
in interfaceSubparsers
- Parameters:
title
- The text to display as a title of sub-commands- Returns:
- this
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getTitle
public java.lang.String getTitle()
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description
public SubparsersImpl description(java.lang.String description)
Description copied from interface:Subparsers
Sets the text to display to briefly describe sub-commands in the help message.
If either description or title(
Subparsers.title(String)
) is specified, sub-command help will be displayed in its own group.- Specified by:
description
in interfaceSubparsers
- Parameters:
description
- The text to display to briefly describe sub-commands- Returns:
- this
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getDescription
public java.lang.String getDescription()
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metavar
public SubparsersImpl metavar(java.lang.String metavar)
Description copied from interface:Subparsers
Sets the text used to represent sub-commands in help messages.
By default, text to represent sub-commands are concatenation of all sub-commands. This method can override this default behavior and sets arbitrary string to use. This is useful if there are many sub-commands and you don't want to show them all.
- Specified by:
metavar
in interfaceSubparsers
- Parameters:
metavar
- The text used to represent sub-commands in help messages- Returns:
- this
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hasSubCommand
boolean hasSubCommand()
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hasNotSuppressedSubCommand
boolean hasNotSuppressedSubCommand()
Return true if SubparserImpl has at least one sub-command whose help output is not suppressed.- Returns:
- true if SubparserImpl has at least one sub-command whose help output is not suppressed.
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resolveNextSubparser
private SubparserImpl resolveNextSubparser(java.lang.String command) throws ArgumentParserException
Get next SubparserImpl from given command and state. This function resolves abbreviated command input as well. If the given command is ambiguous,ArgumentParserException
will be thrown. If no matching SubparserImpl is found, this function returns null.- Returns:
- next SubparserImpl or null
- Throws:
ArgumentParserException
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parseArg
void parseArg(ParseState state, java.util.Map<java.lang.String,java.lang.Object> opts) throws ArgumentParserException
- Throws:
ArgumentParserException
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formatShortSyntax
java.lang.String formatShortSyntax()
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printSubparserHelp
void printSubparserHelp(java.io.PrintWriter writer, int format_width)
Writes the help message for this and descendants.- Parameters:
writer
- The writer to outputformat_width
- column width
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getCommands
java.util.Collection<java.lang.String> getCommands()
Returns collection of the sub-command name under this object.- Returns:
- collection of the sub-command name
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addAlias
void addAlias(SubparserImpl subparser, java.lang.String... alias)
Adds Subparser alias names for given Subparser. For each SubparsersImpl instance, alias names and commands must be unique. If duplication is found,IllegalArgumentException
is thrown.- Parameters:
subparser
- Subparser to add alias namesalias
- alias name
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localize
private java.lang.String localize(java.lang.String messageKey)
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