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ConsoleTools: ezcConsoleOption

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Class: ezcConsoleOption

Objects of this class store data about a single option for ezcConsoleInput. [source]

This class represents a single command line option, which can be handled by the ezcConsoleInput class. This classes only purpose is the storage of the parameter data, the handling of options and arguments is done by the class ezcConsoleInput.

Properties

bool	read/write	`$arguments` Whether arguments to the program are allowed, when this parameter is submitted.
mixed	read/write	`$default` Default value if the parameter is submitted without value. If a parameter is eg. of type ezcConsoleInput::TYPE_STRING and therefore expects a value when being submitted, it may be submitted without a value and automatically get the default value specified here.
bool	read/write	`$isHelpOption` Whether a parameter is a help option. If this flag is true, and the parameter is set, all options marked as mandatory may be skipped.
string	read	`$long` Long name of the parameter without '--' (eg. 'file').
string	read/write	`$longhelp` Long help text. Usually displayed when showing parameter detailed help.
bool	read/write	`$mandatory` Whether a parameter is mandatory to be set. If this flag is true, the parameter must be submitted whenever the program is run.
bool	read/write	`$multiple` Is the submission of multiple instances of this parameters allowed?
string	read	`$short` Short name of the parameter without '-' (eg. 'f').
string	read/write	`$shorthelp` Short help text. Usually displayed when showing parameter help overview.
int	read/write	`$type` Value type of this parameter, default is ezcConsoleInput::TYPE_NONE. See ezcConsoleInput::TYPE_NONE, ezcConsoleInput::TYPE_INT and ezcConsoleInput::TYPE_STRING.

Member Variables

protected array(string=>ezcConsoleParamemterRule)	`$dependencies = array()` Dependency rules of this parameter.
protected array(string=>ezcConsoleParamemterRule)	`$exclusions = array()` Exclusion rules of this parameter.
protected array(string=>mixed)	`$properties` Container to hold the properties
public mixed	`$value = false` The value the parameter was assigned to when being submitted. Boolean false indicates the parameter was not submitted, boolean true means the parameter was submitted, but did not have a value. In any other case, this caries the submitted value.

Method Summary

public ezcConsoleOption	`__construct( [$short = ''], $long, [$type = ezcConsoleInput::TYPE_NONE], [$default = null], [$multiple = false], [$shorthelp = 'No help available.'], [$longhelp = 'Sorry, there is no help text available for this parameter.'], [$dependencies = array()], [$exclusions = array()], [$arguments = true], [$mandatory = false], [$isHelpOption = false] )` Create a new parameter struct.
public void	`addDependency( $rule )` Add a new dependency for a parameter.
public void	`addExclusion( $rule )` Add a new exclusion for an option.
public array(int=>ezcConsoleOptionRule)	`getDependencies( )` Returns the dependency rules registered with this parameter.
public array(int=>ezcConsoleOptionRule)	`getExclusions( )` Returns the exclusion rules registered with this parameter.
public bool	`hasDependency( $param )` Returns if a dependency to the given option exists.
public bool	`hasExclusion( $param )` Returns if a given exclusion rule is registered with the option.
public void	`removeAllDependencies( $param )` Remove all dependency rule referring to a parameter.
public void	`removeAllExclusions( $param )` Remove all exclusion rule referring to a option.
public void	`removeDependency( $rule )` Remove a dependency rule from a parameter.
public void	`removeExclusion( $rule )` Remove a exclusion rule from a option.
public void	`resetDependencies( )` Reset existing dependency rules.
public void	`resetExclusions( )` Reset existing exclusion rules.
public static bool	`validateOptionName( $name )` Returns if a given name if valid for use as a parameter name a parameter.

Methods

__construct

ezcConsoleOption __construct( [string $short = ''], string $long, [int $type = ezcConsoleInput::TYPE_NONE], [mixed $default = null], [bool $multiple = false], [string $shorthelp = 'No help available.'], [string $longhelp = 'Sorry, there is no help text available for this parameter.'], [ $dependencies = array()], [ $exclusions = array()], [bool $arguments = true], [bool $mandatory = false], [bool $isHelpOption = false] )

Create a new parameter struct.

Creates a new basic parameter struct with the base information "$short" (the short name of the parameter) and "$long" (the long version). You simply apply these parameters as strings (without '-' or '--'). So

1.  $param = new ezcConsoleOption( 'f', 'file' );

will result in a parameter that can be accessed using

1.  $ mytool -f

1.  $ mytool --file

The newly created parameter contains only it's 2 names and each other attribute is set to it's default value. You can simply manipulate those attributes by accessing them directly.

Parameters

Name	Type	Description
`$short`	string	Short name of the parameter without '-' (eg. 'f').
`$long`	string	Long name of the parameter without '--' (eg. 'file').
`$type`	int	Value type of the parameter. One of ezcConsoleInput::TYPE_*.
`$default`	mixed	Default value the parameter holds if not submitted.
`$multiple`	bool	If the parameter may be submitted multiple times.
`$shorthelp`	string	Short help text.
`$longhelp`	string	Long help text.
`$dependencies`	array(int=>ezcConsoleOptionRule)	Dependency rules.
`$exclusions`	array(int=>ezcConsoleOptionRule)	Exclusion rules.
`$arguments`	bool	Whether supplying arguments is allowed when this parameter is set.
`$mandatory`	bool	Whether the parameter must be always submitted.
`$isHelpOption`	bool	Indicates that the given parameter is a help option. If a help option is set, all rule checking is skipped (dependency/exclusion/ mandatory).

Throws

Class	Description
`ezcConsoleInvalidOptionNameException`	If the option names start with a "-" sign or contain whitespaces.

addDependency

void addDependency( ezcConsoleOptionRule $rule )

Add a new dependency for a parameter.

This registeres a new dependency rule with the parameter. If you try to add an already registered rule it will simply be ignored. Else, the submitted rule will be added to the parameter as a dependency.

Parameters

Name	Type	Description
`$rule`	ezcConsoleOptionRule	The rule to add.

addExclusion

void addExclusion( ezcConsoleOptionRule $rule )

Add a new exclusion for an option.

This registeres a new exclusion rule with the option. If you try to add an already registered rule it will simply be ignored. Else, the submitted rule will be added to the option as a exclusion.

Parameters

Name	Type	Description
`$rule`	ezcConsoleOptionRule	The rule to add.

getDependencies

array(int=>ezcConsoleOptionRule) getDependencies( )

Returns the dependency rules registered with this parameter.

Returns an array of registered dependencies.

For example:

1.  array(
2.       0 => ezcConsoleOptionRule,
3.       1 => ezcConsoleOptionRule,
4.       2 => ezcConsoleOptionRule,
5.  );

getExclusions

array(int=>ezcConsoleOptionRule) getExclusions( )

Returns the exclusion rules registered with this parameter.

Returns an array of registered exclusions.

For example:

1.  array(
2.       0 => ezcConsoleOptionRule,
3.       1 => ezcConsoleOptionRule,
4.       2 => ezcConsoleOptionRule,
5.  );

hasDependency

bool hasDependency( ezcConsoleOption $param )

Returns if a dependency to the given option exists.

Returns true if a dependency rule to the given option is registered, otherwise false.

Parameters

Name	Type	Description
`$param`	ezcConsoleOption	The param to check if a dependency exists to.

hasExclusion

bool hasExclusion( ezcConsoleOption $param )

Returns if a given exclusion rule is registered with the option.

Returns true if a exclusion rule to the given option is registered, otherwise false.

Parameters

Name	Type	Description
`$param`	ezcConsoleOption	The param to check if exclusions exist for.

removeAllDependencies

void removeAllDependencies( ezcConsoleOption $param )

Remove all dependency rule referring to a parameter.

This removes all dependency rules from a parameter, that refer to as specific parameter. If no rule is registered with this parameter as reference, the method call will simply be ignored.

Parameters

Name	Type	Description
`$param`	ezcConsoleOption	The param to be check for rules.

removeAllExclusions

void removeAllExclusions( ezcConsoleOption $param )

Remove all exclusion rule referring to a option.

This removes all exclusion rules from a option, that refer to as specific option. If no rule is registered with this option as reference, the method call will simply be ignored.

Parameters

Name	Type	Description
`$param`	ezcConsoleOption	The option to remove rule for.

removeDependency

void removeDependency( ezcConsoleOptionRule $rule )

Remove a dependency rule from a parameter.

This removes a given rule from a parameter, if it exists. If the rule is not registered with the parameter, the method call will simply be ignored.

Parameters

Name	Type	Description
`$rule`	ezcConsoleOptionRule	The rule to be removed.

removeExclusion

void removeExclusion( ezcConsoleOptionRule $rule )

Remove a exclusion rule from a option.

This removes a given rule from a option, if it exists. If the rule is not registered with the option, the method call will simply be ignored.

Parameters

Name	Type	Description
`$rule`	ezcConsoleOptionRule	The rule to be removed.

resetDependencies

void resetDependencies( )

Reset existing dependency rules.

Deletes all registered dependency rules from the option definition.

resetExclusions

void resetExclusions( )

Reset existing exclusion rules.

Deletes all registered exclusion rules from the option definition.

validateOptionName

bool validateOptionName( string $name )

Returns if a given name if valid for use as a parameter name a parameter.

Checks if a given parameter name is generally valid for use. It checks a) that the name does not start with '-' or '--' and b) if it contains whitespaces. Note, that this method does not check any conflicts with already used parameter names.

Parameters

Name	Type	Description
`$name`	string	The name to check.

Last updated: Tue, 02 Dec 2008

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ConsoleTools: ezcConsoleOption

Class: ezcConsoleOption

Properties

Member Variables

Method Summary

Methods

__construct

Parameters

Throws

addDependency

Parameters

addExclusion

Parameters

getDependencies

getExclusions

hasDependency

Parameters

hasExclusion

Parameters

removeAllDependencies

Parameters

removeAllExclusions

Parameters

removeDependency

Parameters

removeExclusion

Parameters

resetDependencies

resetExclusions

validateOptionName

Parameters