---
name: "Biber::Structure"
section: "3pm"
platform: "linux"
package: "biber"
version: "0.9.9+release-1"
release: "Debian 7 (Wheezy)"
platforms: ["linux"]
url: "https://new.carta.tech/Biber::Structure"
---

# Biber::Structure(3pm)

Biber::Structure objects

## NAME

Biber::Structure - Biber::Structure objects

### new

```
    Initialize a Biber::Structure object
```

### is\_entrytype

```
    Returns boolean to say if an entrytype is a legal entrytype
```

### is\_field\_for\_entrytype

```
    Returns boolean to say if a field is legal for an entrytype
```

### get\_field\_type

```
    Retrieve fields of a certain biblatex type from structure
    Return in sorted order so that bbl order doesn't change when changing
    .bcf. This really messes up tests otherwise.
```

### is\_field\_type

```
    Returns boolean depending on whether a field is a certain biblatex type
```

### check\_mandatory\_constraints

```
    Checks constraints of type "mandatory" on entry and
    returns an arry of warnings, if any
```

### check\_conditional\_constraints

```
    Checks constraints of type "conditional" on entry and
    returns an arry of warnings, if any
```

### check\_data\_constraints

```
    Checks constraints of type "data" on entry and
    returns an arry of warnings, if any
```

### check\_date\_components

```
     Perform content validation checks on date components by trying to
     instantiate a Date::Simple object.
```

### dump

```
    Dump Biber::Structure object
```

## AUTHORS

Francois Charette, `"<firmicus at ankabut.net>"` Philip Kime `"<philip at kime.org.uk>"`

## BUGS

Please report any bugs or feature requests on our sourceforge tracker at \<https://sourceforge.net/tracker2/?func=browse&group\_id=228270\>.

## COPYRIGHT & LICENSE

Copyright 2009-2012 Francois Charette and Philip Kime, all rights reserved.

This module is free software.  You can redistribute it and/or modify it under the terms of the Artistic License 2.0.

This program is distributed in the hope that it will be useful, but without any warranty; without even the implied warranty of merchantability or fitness for a particular purpose.
