beamer-ime.bbx

% Author: Nelson Lago
% This file is derived from files in the BibLaTeX distribution
% and, therefore, is distributed under the LPPL

\ProvidesFile{beamer-ime.bbx}
[2022/11/17 v1.0 authoryear bibliographies adapted to IME/USP beamer styles]

\RequirePackage{etoolbox}
\RequirePackage{xpatch}
\RequirePackage{ragged2e}

\RequireBibliographyStyle{authoryear-comp}
\ExecuteBibliographyOptions{maxbibnames=2,maxcitenames=2}
\AtEndPreamble{\ExecuteBibliographyOptions{backref=false}}
\AtBeginBibliography{\evenRaggedRight}

% standard.bbx utiliza "in:" para artigos em periódicos; os
% estilos mais comuns não usam isso, então vamos removê-lo.
\xpatchbibdriver{article}{\usebibmacro{in:}}{}{}{}

% Add "http://" for URLs that do not include http/https/ftp prefix
\ExplSyntaxOn
\DeclareFieldFormat{url}{%
  \regex_match:nnTF{^(ftp|https?|FTP|HTTPS?|Ftp|Https?)://}{#1}
    {\mkbibacro{URL}\addcolon\space\url{#1}}
    {\mkbibacro{URL}\addcolon\space\href{http\c_colon_str//#1}{#1}}%
}
\ExplSyntaxOff