# types/Mapper.php

## \Mapper
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Package: phing\types

Filename Mapper maps source file name(s) to target file name(s).

Built-in mappers can be accessed by specifying they "type" attribute:

Custom mappers can be specified by providing a dot-path to a include_path-relative class:

Parent(s)
  \DataType < \ProjectComponent
Author
  Hans Lellelid

### Properties

`boolean $checked= 'true'`
inherited

Are we sure we don't hold circular references?

Inherited from: \DataType::$$checked

Subclasses are responsible for setting this value to false if we'd need to investigate this condition (usually because a child element has been added that is a subclass of DataType).

Default value `true` Details

Type
  boolean
Inherited_from
  \DataType::$$checked

`$classname= ''`
Details

Type
  n/a

`$classpath= ''`
Details

Type
  n/a

`$classpathId= ''`
Details

Type
  n/a

`$description= 'null'`
inherited

The descriptin the user has set.

Inherited from: \DataType::$$description
Default value `null` Details

Type
  n/a
Inherited_from
  \DataType::$$description

`$from= ''`
Details

Type
  n/a

`$ref= 'null'`
inherited

Value to the refid attribute. Type of Reference

Inherited from: \DataType::$$ref
Default value `null` Details

Type
  n/a
Inherited_from
  \DataType::$$ref

`$to= ''`
Details

Type
  n/a

`$type= ''`
Details

Type
  n/a

### Methods

`__construct( $project ) : void`

Parameters

Name | Type | Description
--- | --- | ---
$project |  |

`circularReference( ) : void`
inherited

Creates an exception that indicates the user has generated a loop of data types referencing each other.

Inherited from: \DataType::circularReference()
`createClasspath( ) : void`

Create the classpath to be used when searching for component being defined

`dieOnCircularReference( $stk, $p ) : void`
inherited

Check to see whether any DataType we hold references to is included in the Stack (which holds all DataType instances that directly or indirectly reference this instance, including this instance itself).

Inherited from: \DataType::dieOnCircularReference()

If one is included, throw a BuildException created by circularReference

This implementation is appropriate only for a DataType that cannot hold other DataTypes as children.

The general contract of this method is that it shouldn't do anything if checked is true and set it to true on exit.

Parameters

Name | Type | Description
--- | --- | ---
$stk |  |
$p |  |

`getCheckedRef( $requiredClass, $dataTypeName ) : void`
inherited

Performs the check for circular references and returns the referenced object.

Inherited from: \DataType::getCheckedRef()
Parameters

Name | Type | Description
--- | --- | ---
$requiredClass |  |
$dataTypeName |  |

`getDescription( ) : void`
inherited

Return the description for the current data type.

Inherited from: \DataType::getDescription()
`getImplementation( ) : void`

Factory, returns inmplementation of file name mapper as new instance

`getProject( ) : void`
inherited

Inherited from: ProjectComponent::getProject()\DataType::getProject()
`getRef( ) : void`

Performs the check for circular references and returns the referenced Mapper.

`isReference( ) : void`
inherited

Has the refid attribute of this element been set?

Inherited from: \DataType::isReference()
`log( ) : void`
inherited

Inherited from: ProjectComponent::log()\DataType::log()
`noChildrenAllowed( ) : void`
inherited

Creates an exception that indicates that this XML element must not have child elements if the refid attribute is set.

Inherited from: \DataType::noChildrenAllowed()
`parsingComplete( ) : void`
inherited

Template method being called when the data type has been parsed completely.

Inherited from: \DataType::parsingComplete()
`setClassname( $classname ) : void`

Set the class name of the FileNameMapper to use.

Parameters

Name | Type | Description
--- | --- | ---
$classname |  |

`setClasspath( \Path $classpath ) : void`

Set the classpath to be used when searching for component being defined

Parameters

Name | Type | Description
--- | --- | ---
$classpath | \Path | An Path object containing the classpath.

`setClasspathRef( $r ) : void`

Reference to a classpath to use when loading the files.

Parameters

Name | Type | Description
--- | --- | ---
$r |  |

`setDescription( $desc ) : void`
inherited

Sets a description of the current data type. It will be useful in commenting what we are doing.

Inherited from: \DataType::setDescription()
Parameters

Name | Type | Description
--- | --- | ---
$desc |  |

`setFrom( $from ) : void`

Set the argument to FileNameMapper.setFrom

Parameters

Name | Type | Description
--- | --- | ---
$from |  |

`setProject( ) : void`
inherited

Inherited from: ProjectComponent::setProject()\DataType::setProject()
`setRefid( \Reference $r ) : void`

Make this Mapper instance a reference to another Mapper.

You must not set any other attribute if you make it a reference.

Parameters

Name | Type | Description
--- | --- | ---
$r | \Reference |

`setTo( $to ) : void`

Set the argument to FileNameMapper.setTo

Parameters

Name | Type | Description
--- | --- | ---
$to |  |

`setType( $type ) : void`

Set the type of FileNameMapper to use.

Parameters

Name | Type | Description
--- | --- | ---
$type |  |

`tooManyAttributes( ) : void`
inherited

Creates an exception that indicates that refid has to be the only attribute if it is set.

Inherited from: \DataType::tooManyAttributes()
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