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.\" ========================================================================
.\"
.IX Title "Biber::DataList 3pm"
.TH Biber::DataList 3pm "2023-08-27" "perl v5.36.0" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
Biber::DataList \- Biber::DataLists objects
.SS "new"
.IX Subsection "new"
.Vb 1
\&    Initialize a Biber::DataList object
.Ve
.SS "set_section"
.IX Subsection "set_section"
.Vb 1
\&    Sets the section of a data list
.Ve
.SS "get_section"
.IX Subsection "get_section"
.Vb 1
\&    Gets the section of a data list
.Ve
.SS "reset_state"
.IX Subsection "reset_state"
.Vb 2
\&    Resets all state data. Used mainly in tests which call Biber::prepare()
\&    multiple times without re\-creating datalists
.Ve
.SS "incr_seenpa"
.IX Subsection "incr_seenpa"
.Vb 3
\&    Increment the count of occurrences of a primary author base name
\&    if it has a different non\-base part. How many variants of the basename
\&    are there in the dlist?
.Ve
.SS "get_seenpa"
.IX Subsection "get_seenpa"
.Vb 2
\&    Get the count of unique (i.e. with different hash) occurrences of a primary
\&    author base name
.Ve
.SS "reset_entryfields"
.IX Subsection "reset_entryfields"
.Vb 1
\&    Resets all entryfield data in a list
.Ve
.SS "get_entryfield"
.IX Subsection "get_entryfield"
.Vb 1
\&    Retrieves per\-list datafield information for an entry
.Ve
.SS "set_entryfield"
.IX Subsection "set_entryfield"
.Vb 1
\&    Records per\-list datafield information for an entry
.Ve
.SS "add_uniquenamecount"
.IX Subsection "add_uniquenamecount"
.Vb 2
\&    Add a name to the list of name contexts which have the name in it
\&    (only called for visible names)
.Ve
.SS "add_uniquenamecount_all"
.IX Subsection "add_uniquenamecount_all"
.Vb 2
\&    Add a name to the list of name contexts which have the name in it
\&    (called for all names)
.Ve
.SS "get_uniquelistcount"
.IX Subsection "get_uniquelistcount"
.Vb 1
\&    Get the number of uniquelist entries for a (possibly partial) list
.Ve
.SS "add_uniquelistcount"
.IX Subsection "add_uniquelistcount"
.Vb 1
\&    Increment the count for a list part to the data for a name
.Ve
.SS "add_uniquelistcount_final"
.IX Subsection "add_uniquelistcount_final"
.Vb 1
\&    Increment the count for a complete list to the data for a name
.Ve
.SS "add_uniquelistcount_minyear"
.IX Subsection "add_uniquelistcount_minyear"
.Vb 2
\&    Increment the count for a list and year for a name
\&    Used to track uniquelist = minyear
.Ve
.SS "get_uniquelistcount_minyear"
.IX Subsection "get_uniquelistcount_minyear"
.Vb 2
\&    Get the count for a list and year for a name
\&    Used to track uniquelist = minyear
.Ve
.SS "get_uniquelistcount_final"
.IX Subsection "get_uniquelistcount_final"
.Vb 1
\&    Get the number of uniquelist entries for a full list
.Ve
.SS "reset_uniquelistcount"
.IX Subsection "reset_uniquelistcount"
.Vb 1
\&    Reset the count for list parts and complete lists
.Ve
.SS "reset_uniquenamecount"
.IX Subsection "reset_uniquenamecount"
.Vb 1
\&    Reset the list of names which have the name part in it
.Ve
.SS "get_basenamestring"
.IX Subsection "get_basenamestring"
.Vb 1
\&  Get a basenamestring for a particular name
.Ve
.SS "get_namestring"
.IX Subsection "get_namestring"
.Vb 1
\&  Get a namestring for a particular name
.Ve
.SS "get_namestrings"
.IX Subsection "get_namestrings"
.Vb 1
\&  Get namestrings for a particular name
.Ve
.SS "set_namedis"
.IX Subsection "set_namedis"
.Vb 1
\&  Set name disambiguation metadata
.Ve
.SS "is_unbasepart"
.IX Subsection "is_unbasepart"
.Vb 2
\&  Return boolean to say if a namepart is a base part according to
\&  template which created the information
.Ve
.SS "get_namehash"
.IX Subsection "get_namehash"
.Vb 1
\&  Get hash for a name
.Ve
.SS "set_namehash"
.IX Subsection "set_namehash"
.Vb 1
\&  Set hash for a name
.Ve
.SS "get_unmininfo"
.IX Subsection "get_unmininfo"
.Vb 1
\&  Get uniquename minimalness info for a name
.Ve
.SS "set_unmininfo"
.IX Subsection "set_unmininfo"
.Vb 1
\&  Set uniquename minimalness info for a name
.Ve
.SS "get_namedisschema"
.IX Subsection "get_namedisschema"
.Vb 1
\&  Get a name disambiguation schema for a name
.Ve
.SS "get_unsummary"
.IX Subsection "get_unsummary"
.Vb 1
\&  Get legacy uniquename summary for a name
.Ve
.SS "get_unpart"
.IX Subsection "get_unpart"
.Vb 1
\&  Get uniquename summary part for a name
.Ve
.SS "get_unparts"
.IX Subsection "get_unparts"
.Vb 1
\&  Get uniquename parts for a name
.Ve
.SS "set_unparts"
.IX Subsection "set_unparts"
.Vb 1
\&  Set uniquename parts for a name
.Ve
.SS "_get_uniquename"
.IX Subsection "_get_uniquename"
.Vb 2
\&    Get the list of name contexts which contain a name
\&    Mainly for use in tests
.Ve
.SS "get_uniquename"
.IX Subsection "get_uniquename"
.Vb 1
\&  Get uniquename for a name
.Ve
.SS "set_uniquename"
.IX Subsection "set_uniquename"
.Vb 1
\&  Set uniquename for a name
.Ve
.SS "reset_uniquename"
.IX Subsection "reset_uniquename"
.Vb 1
\&  Reset uniquename for a name
.Ve
.SS "get_uniquename_all"
.IX Subsection "get_uniquename_all"
.Vb 1
\&  Get uniquename for a name, regardless of visibility
.Ve
.SS "set_uniquename_all"
.IX Subsection "set_uniquename_all"
.Vb 1
\&  Set uniquename for a name, regardless of visibility
.Ve
.SS "count_uniquelist"
.IX Subsection "count_uniquelist"
.Vb 1
\&    Count the names in a string used to determine uniquelist.
.Ve
.SS "get_uniquelist"
.IX Subsection "get_uniquelist"
.Vb 1
\&  Gets a uniquelist setting for a namelist
.Ve
.SS "set_uniquelist"
.IX Subsection "set_uniquelist"
.Vb 1
\&  Sets a uniquelist setting for a namelist
.Ve
.SS "get_visible_cite"
.IX Subsection "get_visible_cite"
.Vb 1
\&  Gets citation name list visibility
.Ve
.SS "set_visible_cite"
.IX Subsection "set_visible_cite"
.Vb 1
\&  Gets citation name list visibility
.Ve
.SS "get_visible_bib"
.IX Subsection "get_visible_bib"
.Vb 1
\&  Gets bib name list visibility
.Ve
.SS "set_visible_bib"
.IX Subsection "set_visible_bib"
.Vb 1
\&  Gets bib name list visibility
.Ve
.SS "get_visible_sort"
.IX Subsection "get_visible_sort"
.Vb 1
\&  Gets sort name list visibility
.Ve
.SS "set_visible_sort"
.IX Subsection "set_visible_sort"
.Vb 1
\&  Gets sort name list visibility
.Ve
.SS "get_visible_alpha"
.IX Subsection "get_visible_alpha"
.Vb 1
\&  Gets alpha name list visibility
.Ve
.SS "set_visible_alpha"
.IX Subsection "set_visible_alpha"
.Vb 1
\&  Gets alpha name list visibility
.Ve
.SS "get_numofuniquenames"
.IX Subsection "get_numofuniquenames"
.Vb 1
\&    Get the number of uniquenames entries for a visible name
.Ve
.SS "get_numofuniquenames_all"
.IX Subsection "get_numofuniquenames_all"
.Vb 1
\&    Get the number of uniquenames entries for a name
.Ve
.SS "get_unul_done"
.IX Subsection "get_unul_done"
.Vb 1
\&    Return a boolean saying whether uniquenename+uniquelist processing is finished
.Ve
.SS "set_unul_changed"
.IX Subsection "set_unul_changed"
.Vb 1
\&    Set a boolean saying whether uniquename+uniquelist has changed
.Ve
.SS "reset_seen_extra"
.IX Subsection "reset_seen_extra"
.Vb 1
\&    Reset the counters for extra*
.Ve
.SS "incr_seen_extradate"
.IX Subsection "incr_seen_extradate"
.Vb 1
\&    Increment and return the counter for extradate
.Ve
.SS "incr_seen_extraname"
.IX Subsection "incr_seen_extraname"
.Vb 1
\&    Increment and return the counter for extraname
.Ve
.SS "incr_seen_labelname"
.IX Subsection "incr_seen_labelname"
.Vb 1
\&    Increment and return a counter used to track extraname
.Ve
.SS "incr_seen_extratitle"
.IX Subsection "incr_seen_extratitle"
.Vb 1
\&    Increment and return the counter for extratitle
.Ve
.SS "incr_seen_extratitleyear"
.IX Subsection "incr_seen_extratitleyear"
.Vb 1
\&    Increment and return the counter for extratitleyear
.Ve
.SS "incr_seen_extraalpha"
.IX Subsection "incr_seen_extraalpha"
.Vb 1
\&    Increment and return the counter for extraalpha
.Ve
.SS "get_seen_nametitledateparts"
.IX Subsection "get_seen_nametitledateparts"
.Vb 4
\&    Get the count of an labelname/dateparts combination for tracking
\&    extradate. It uses labelyear plus name as we need to disambiguate
\&    entries with different labelyear (like differentiating 1984\-\-1986 from
\&    just 1984)
.Ve
.SS "incr_seen_nametitledateparts"
.IX Subsection "incr_seen_nametitledateparts"
.Vb 1
\&    Increment the count of an labelname/labeltitle+dateparts combination for extradate
\&
\&    We pass in the name/title and date strings separately as we have to
\&    be careful and only increment this counter beyond 1 if there is
\&    a name/title component. Otherwise, extradate gets defined for all
\&    entries with no name/title but the same year etc.
.Ve
.SS "get_seen_labelname"
.IX Subsection "get_seen_labelname"
.Vb 1
\&    Get the count of a labelname hash for tracking extraname
.Ve
.SS "get_seen_nametitle"
.IX Subsection "get_seen_nametitle"
.Vb 2
\&    Get the count of an labelname/labeltitle combination for tracking
\&    extratitle.
.Ve
.SS "incr_seen_nametitle"
.IX Subsection "incr_seen_nametitle"
.Vb 1
\&    Increment the count of an labelname/labeltitle combination for extratitle
\&
\&    We pass in the name and year strings separately as we have to
\&    be careful and only increment this counter beyond 1 if there is
\&    a title component. Otherwise, extratitle gets defined for all
\&    entries with no title.
.Ve
.SS "get_seen_titleyear"
.IX Subsection "get_seen_titleyear"
.Vb 2
\&    Get the count of an labeltitle/labelyear combination for tracking
\&    extratitleyear
.Ve
.SS "incr_seen_titleyear"
.IX Subsection "incr_seen_titleyear"
.Vb 1
\&    Increment the count of an labeltitle/labelyear combination for extratitleyear
\&
\&    We pass in the title and year strings separately as we have to
\&    be careful and only increment this counter beyond 1 if there is
\&    a title component. Otherwise, extratitleyear gets defined for all
\&    entries with no title.
.Ve
.SS "reset_workuniqueness"
.IX Subsection "reset_workuniqueness"
.Vb 1
\&  Reset various work uniqueness counters
.Ve
.SS "get_seenname"
.IX Subsection "get_seenname"
.Vb 1
\&    Get the count of occurrences of a labelname or labeltitle
.Ve
.SS "incr_seenname"
.IX Subsection "incr_seenname"
.Vb 1
\&    Increment the count of occurrences of a labelname or labeltitle
.Ve
.SS "get_seentitle"
.IX Subsection "get_seentitle"
.Vb 1
\&    Get the count of occurrences of a labeltitle
.Ve
.SS "incr_seentitle"
.IX Subsection "incr_seentitle"
.Vb 1
\&    Increment the count of occurrences of a labeltitle
.Ve
.SS "get_seenbaretitle"
.IX Subsection "get_seenbaretitle"
.Vb 2
\&    Get the count of occurrences of a labeltitle when there is
\&    no labelname
.Ve
.SS "incr_seenbaretitle"
.IX Subsection "incr_seenbaretitle"
.Vb 2
\&    Increment the count of occurrences of a labeltitle
\&    when there is no labelname
.Ve
.SS "get_seenwork"
.IX Subsection "get_seenwork"
.Vb 1
\&    Get the count of occurrences of a labelname and labeltitle
.Ve
.SS "incr_seenwork"
.IX Subsection "incr_seenwork"
.Vb 1
\&    Increment the count of occurrences of a labelname and labeltitle
.Ve
.SS "incr_la_disambiguation"
.IX Subsection "incr_la_disambiguation"
.Vb 1
\&    Increment a counter to say we have seen this labelalpha
.Ve
.SS "get_la_disambiguation"
.IX Subsection "get_la_disambiguation"
.Vb 2
\&    Get the disambiguation counter for this labelalpha.
\&    Return a 0 for undefs to avoid spurious errors.
.Ve
.SS "set_sortingtemplatename"
.IX Subsection "set_sortingtemplatename"
.Vb 1
\&    Sets the sortingtemplate name of a data list
.Ve
.SS "get_attrs"
.IX Subsection "get_attrs"
.Vb 1
\&    Gets the attributes of a data list
.Ve
.SS "get_sortingtemplatename"
.IX Subsection "get_sortingtemplatename"
.Vb 1
\&    Gets the sortingtemplatename of a data list
.Ve
.SS "set_sortingnamekeytemplatename"
.IX Subsection "set_sortingnamekeytemplatename"
.Vb 1
\&    Sets the sortingnamekeytemplate name of a data list
.Ve
.SS "get_sortingnamekeytemplatename"
.IX Subsection "get_sortingnamekeytemplatename"
.Vb 1
\&    Gets the sortingnamekeytemplatename of a data list
.Ve
.SS "set_uniquenametemplatename"
.IX Subsection "set_uniquenametemplatename"
.Vb 1
\&    Sets the uniquenametemplate name of a data list
.Ve
.SS "get_uniquenametemplatename"
.IX Subsection "get_uniquenametemplatename"
.Vb 1
\&    Gets the uniquenametemplate name of a data list
.Ve
.SS "set_labelalphanametemplatename"
.IX Subsection "set_labelalphanametemplatename"
.Vb 1
\&    Sets the labelalphanametemplate name of a data list
.Ve
.SS "get_labelalphanametemplatename"
.IX Subsection "get_labelalphanametemplatename"
.Vb 1
\&    Gets the labelalphanametemplate name of a data list
.Ve
.SS "set_sortinit_collator"
.IX Subsection "set_sortinit_collator"
.Vb 1
\&    Sets the sortinit collator for this list
.Ve
.SS "get_sortinit_collator"
.IX Subsection "get_sortinit_collator"
.Vb 1
\&    Gets the sortinit collator for this list
.Ve
.SS "get_labelprefix"
.IX Subsection "get_labelprefix"
.Vb 1
\&    Gets the labelprefix setting of a data list
.Ve
.SS "set_labelprefix"
.IX Subsection "set_labelprefix"
.Vb 1
\&    Sets the labelprefix setting of a data list
.Ve
.SS "set_name"
.IX Subsection "set_name"
.Vb 1
\&    Sets the name of a data list
.Ve
.SS "get_name"
.IX Subsection "get_name"
.Vb 1
\&    Gets the name of a data list
.Ve
.SS "set_type"
.IX Subsection "set_type"
.Vb 1
\&    Sets the type of a data list
.Ve
.SS "get_type"
.IX Subsection "get_type"
.Vb 1
\&    Gets the type of a section list
.Ve
.SS "set_keys"
.IX Subsection "set_keys"
.Vb 1
\&    Sets the keys for the list
.Ve
.SS "get_keys"
.IX Subsection "get_keys"
.Vb 1
\&    Gets the keys for the list
.Ve
.SS "count_keys"
.IX Subsection "count_keys"
.Vb 1
\&    Count the keys for the list
.Ve
.SS "get_namelistdata"
.IX Subsection "get_namelistdata"
.Vb 1
\&  Gets  name list data
.Ve
.SS "set_namelistdata"
.IX Subsection "set_namelistdata"
.Vb 1
\&  Saves name list data
.Ve
.SS "get_labelalphadata"
.IX Subsection "get_labelalphadata"
.Vb 1
\&  Gets  labelalpha field data
.Ve
.SS "set_labelalphadata"
.IX Subsection "set_labelalphadata"
.Vb 1
\&  Saves labelalpha data
.Ve
.SS "get_labelalphadata_for_key"
.IX Subsection "get_labelalphadata_for_key"
.Vb 1
\&  Gets  labelalpha field data for a key
.Ve
.SS "set_labelalphadata_for_key"
.IX Subsection "set_labelalphadata_for_key"
.Vb 1
\&  Saves labelalpha field data for a key
.Ve
.SS "set_extradatedata_for_key"
.IX Subsection "set_extradatedata_for_key"
.Vb 1
\&  Saves extradate field data for a key
.Ve
.SS "set_extranamedata_for_key"
.IX Subsection "set_extranamedata_for_key"
.Vb 1
\&  Saves extraname field data for a key
.Ve
.SS "get_extranamedata_for_key"
.IX Subsection "get_extranamedata_for_key"
.Vb 1
\&    Gets the extraname field data for a key
.Ve
.SS "set_extradatedata"
.IX Subsection "set_extradatedata"
.Vb 1
\&    Saves extradate field data for all keys
.Ve
.SS "get_extradatedata_for_key"
.IX Subsection "get_extradatedata_for_key"
.Vb 1
\&    Gets the extradate field data for a key
.Ve
.SS "set_extratitledata_for_key"
.IX Subsection "set_extratitledata_for_key"
.Vb 1
\&  Saves extratitle field data for a key
.Ve
.SS "set_extratitledata"
.IX Subsection "set_extratitledata"
.Vb 1
\&    Saves extratitle field data for all keys
.Ve
.SS "get_extratitledata"
.IX Subsection "get_extratitledata"
.Vb 1
\&    Gets the extratitle field data for a key
.Ve
.SS "set_extratitleyeardata_for_key"
.IX Subsection "set_extratitleyeardata_for_key"
.Vb 1
\&  Saves extratitleyear field data for a key
.Ve
.SS "set_extratitleyeardata"
.IX Subsection "set_extratitleyeardata"
.Vb 1
\&    Saves extratitleyear field data for all keys
.Ve
.SS "get_extratitleyeardata"
.IX Subsection "get_extratitleyeardata"
.Vb 1
\&    Gets the extratitleyear field data for a key
.Ve
.SS "set_extraalphadata_for_key"
.IX Subsection "set_extraalphadata_for_key"
.Vb 1
\&    Saves extraalpha field data for a key
.Ve
.SS "set_extraalphadata"
.IX Subsection "set_extraalphadata"
.Vb 1
\&    Saves extraalpha field data for all keys
.Ve
.SS "get_extraalphadata"
.IX Subsection "get_extraalphadata"
.Vb 1
\&    Gets the extraalpha field data for a key
.Ve
.SS "get_sortdataschema"
.IX Subsection "get_sortdataschema"
.Vb 1
\&    Gets the sortdata schema for a sortlist
.Ve
.SS "set_sortdataschema"
.IX Subsection "set_sortdataschema"
.Vb 1
\&    Saves the sortdata schema for a sortlist
.Ve
.SS "set_sortdata"
.IX Subsection "set_sortdata"
.Vb 1
\&    Saves sorting data in a list for a key
.Ve
.SS "get_sortdata_for_key"
.IX Subsection "get_sortdata_for_key"
.Vb 1
\&    Gets the sorting data in a list for a key
.Ve
.SS "set_sortinitdata_for_key"
.IX Subsection "set_sortinitdata_for_key"
.Vb 1
\& Saves sortinit data for a specific key
.Ve
.SS "set_sortinitdata"
.IX Subsection "set_sortinitdata"
.Vb 1
\& Saves sortinit data for all keys
.Ve
.SS "get_sortinit_for_key"
.IX Subsection "get_sortinit_for_key"
.Vb 1
\&    Gets the sortinit in a list for a key
.Ve
.SS "set_sortingtemplate"
.IX Subsection "set_sortingtemplate"
.Vb 1
\&    Sets the sortingtemplate of a list
.Ve
.SS "get_sortingtemplate"
.IX Subsection "get_sortingtemplate"
.Vb 1
\&    Gets the sortingtemplate of a list
.Ve
.SS "add_filter"
.IX Subsection "add_filter"
.Vb 1
\&    Adds a filter to a list object
.Ve
.SS "get_filters"
.IX Subsection "get_filters"
.Vb 1
\&    Gets all filters for a list object
.Ve
.SS "instantiate_entry"
.IX Subsection "instantiate_entry"
.Vb 6
\&  Do any dynamic information replacement for information
\&  which varies in an entry between lists. This is information which
\&  needs to be output to the .bbl for an entry but which is a property
\&  of the reference context and not the entry per se so it cannot be stored
\&  statically in the entry and must be retrieved from the specific datalist
\&  when outputting the entry.
.Ve
.SS "namelist_differs_index"
.IX Subsection "namelist_differs_index"
.Vb 1
\&    Returns the index where the name list begins to differ from any other list
\&
\&    Assuming these lists
\&
\&    [a, b]
\&    [a, b, d, e, f, g, h, i, j]
\&    [a, b, d, e, f]
\&    [a, b, e, z, z, y]
\&
\&    namelist_differs_index([a, b, c, d, e]) \-> 2
\&    namelist_differs_index([a]) \-> 1
.Ve
.SS "namelist_differs_nth"
.IX Subsection "namelist_differs_nth"
.Vb 2
\&    Returns true if some other name list differs at passed nth place
\&    and is at least as long
\&
\&    namelist_differs_nth([a, b, c, d, e], 3) = 1
\&
\&    if there is another name list like any of these:
\&
\&    [a, b, d, e, f]
\&    [a, b, e, z, z, y]
.Ve
.SH "AUTHORS"
.IX Header "AUTHORS"
Philip Kime \f(CW\*(C`<philip at kime.org.uk>\*(C'\fR
.SH "BUGS"
.IX Header "BUGS"
Please report any bugs or feature requests on our Github tracker at
<https://github.com/plk/biber/issues>.
.SH "COPYRIGHT & LICENSE"
.IX Header "COPYRIGHT & LICENSE"
Copyright 2012\-2023 Philip Kime, all rights reserved.
.PP
This module is free software.  You can redistribute it and/or
modify it under the terms of the Artistic License 2.0.
.PP
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.