%%
%% ---------------------------------------------------------------
%% erj.bbx --- A bibliography style of Economic Research Journal in china
%% modified from gb7714-2015ay at the request of ddswhu
%% Maintained by huzhenzhen
%% E-mail: hzzmail@163.com
%% Released under the LaTeX Project Public License v1.3c or later
%% history
%% 2019/03/28 v1.0
%% 2022/02/22 v1.0a
%% ---------------------------------------------------------------
%%
%%用法：类似于标准的样式在biblatex加载时设置样式
%%文献表正常处理，标注命令主要用cite和textcite
\ProvidesFile{chinese-erj.bbx}[2022/02/22 v1.0a a biblatex bibliography style for ERJ]


%==================================================
%加载gb样式
%==================================================
\RequireBibliographyStyle{gb7714-2015ay}
\RequirePackage{mfirstuc}%单词首字母大写的问题
\MFUnocap{in}%
\MFUnocap{the}%
\MFUnocap{of}%
\MFUnocap{on}%
\MFUnocap{and}%
\MFUnocap{for}%

%
%   增加一个控制标点是英文还是中文的选项
%   20220222,v1.0a,hzz
\DeclareBibliographyOption{gbpunctcn}[true]{%biblatex低版本
  \ifstrequal{#1}{false}{\execerjpuncten}{}}


%==================================================
%考虑多音字增加multipinyin排序，是其可以根据key域添加拼音来排序
%==================================================
\DeclareSortingTemplate{multipinyin}{
      \sort{
        \field{presort}
      }
      \sort{
    	\field{lansortorder}%language
      }
      \sort{
        \field{sortkey}
      }
      \sort{%[direction=descending]
        \field{sortname}
        \field{author}
        \field{editor}
        \field{translator}
      }
      \sort{
        \field{sortyear}
        \field{year}
      }
      \sort{
        \field{sorttitle}
        \field{title}
      }
      \sort{
        \field{volume}
        \literal{0}
      }
    }

%==================================================
%选项设置
%==================================================
    \ExecuteBibliographyOptions{
    maxbibnames=99,
    gbtype=false,
    gbpub=false,
    gbnamefmt=reverseorder,
    sorting=multipinyin,
    doi=false,
    url=false,
    }

%==================================================
%定义一些标点为中文全角标点
%==================================================
\def\gbpunctdot{。}%
\def\gbpunctmark{、}%
\def\gbpunctcomma{，}%
\def\gbpunctcommalanen{，}%
\def\gbpunctcolon{：}%
\def\gbpunctcolonlanen{：}%
\def\gbpunctsemicolon{；}%
\def\gbpunctttl{《}%
\def\gbpunctttr{》}


\def\execerjpuncten{%
\def\gbpunctdot{\adddot}%
\def\gbpunctmark{\addcomma\addspace}%
\def\gbpunctcomma{\addcomma\addspace}%
\def\gbpunctcommalanen{\addcomma\addspace}%
\def\gbpunctcolon{\addcolon\addspace}%
\def\gbpunctcolonlanen{\addcolon\addspace}%
\def\gbpunctsemicolon{\addsemicolon\addspace}%
\def\gbpunctttl{《}%
\def\gbpunctttr{》}%
}

%==================================================
%为标注和文献表中标点格式，重设and本地化字符串
%==================================================
\DefineBibliographyStrings{english}{
    and         = { and},%and后面的空格在finalnamedelim已经加过了，所以这里去掉20191009
    andcn       = {\gbpunctmark\unspace},%\gbpunctmark
    andincitecn = {和},%将标注中的分开，便于与文献表中的区分
    andincite   = {\&},
    %andotherscn={等},
    %mathesiscn={[硕士学位论文]},
    %phdthesiscn={[博士学位论文]},
}


%==================================================
%设置一些标点格式为中文的标点
%==================================================
\DeclareFieldFormat{titlecase}{\iffieldequalstr{userd}{chinese}{#1}{\capitalisewords{#1}}}
\DeclareFieldFormat*{title}{\iffieldequalstr{userd}{chinese}{\gbpunctttl#1\gbpunctttr}{#1\isdot}}
\DeclareFieldFormat[article]{title}{\iffieldequalstr{userd}{chinese}{\gbpunctttl#1\gbpunctttr}{\mkbibquote{#1}\isdot}}
\DeclareFieldFormat*{journaltitle}{\iffieldequalstr{userd}{chinese}{\gbpunctttl#1\gbpunctttr}{\textit{#1}}}%
%\DeclareFieldFormat*{booktitle}{\gbpunctttl#1\gbpunctttr}
\renewcommand*{\revsdnamepunct}{\iffieldequalstr{userd}{chinese}{\gbpunctcomma}{\gbpunctcommalanen}}%%来源biblatex.def
\DeclareDelimFormat*{multinamedelim}{\iffieldequalstr{userd}{chinese}{\gbpunctmark}{\gbpunctcommalanen}}%\addcomma\addspace
\DeclareDelimFormat{finalnamedelim}{%
  %\ifnumgreater{\value{liststop}}{2}{\finalandcomma}{}%
  %\addspace%
  \edef\userfieldabcde{userd}%
  \ifcurrentname{translator}{\edef\userfieldabcde{usere}}{}%
  \ifcurrentname{editor}{\edef\userfieldabcde{userc}}{}%
  \ifcurrentname{author}{\edef\userfieldabcde{userf}}{}%
  \ifcurrentname{bookauthor}{\edef\userfieldabcde{userb}}{}%
  \ifcase\value{gbcitelocalcase}%
    \iffieldequalstr{\userfieldabcde}{chinese}{\bibstring{andincitecn}}{}%
    \iffieldequalstr{\userfieldabcde}{korean}{\bibstring{andkr}}{}%
    \iffieldequalstr{\userfieldabcde}{japanese}{\bibstring{andjp}}{}%
    \iffieldequalstr{\userfieldabcde}{english}{\space\bibstring{andincite}\space}{}%
    \iffieldequalstr{\userfieldabcde}{french}{\bibstring{and}}{}%
    \iffieldequalstr{\userfieldabcde}{russian}{\bibstring{and}}{}%
%\space%
  \or%
  \bibstring{andincitecn}\space%
  \or%
  \bibstring{andincite}\space%
  \fi}
\DeclareDelimFormat[bib,biblist]{finalnamedelim}{%
%  \ifnumgreater{\value{liststop}}{2}{\finalandcomma}{}%
%  \addspace%
  \edef\userfieldabcde{userd}%
  \ifcurrentname{translator}{\edef\userfieldabcde{usere}}{}%
  \ifcurrentname{editor}{\edef\userfieldabcde{userc}}{}%
  \ifcurrentname{author}{\edef\userfieldabcde{userf}}{}%
  \ifcurrentname{bookauthor}{\edef\userfieldabcde{userb}}{}%
  \ifcase\value{gbbiblocalcase}%
    \iffieldequalstr{\userfieldabcde}{chinese}{\bibstring{andcn}}{}%
    \iffieldequalstr{\userfieldabcde}{korean}{\bibstring{andkr}}{}%
    \iffieldequalstr{\userfieldabcde}{japanese}{\bibstring{andjp}}{}%
    \iffieldequalstr{\userfieldabcde}{english}{\bibstring{and}}{}%
    \iffieldequalstr{\userfieldabcde}{french}{\bibstring{and}}{}%
    \iffieldequalstr{\userfieldabcde}{russian}{\bibstring{and}}{}%
\space%
  \or%
  \bibstring{andcn}\space%
  \or%
  \bibstring{and}\space%
  \fi}
\DeclareDelimFormat{nameyeardelim}{\iffieldequalstr{userd}{chinese}{\gbpunctcomma}{\gbpunctcommalanen}}%\addcomma\addspace
\DeclareDelimFormat[bib,biblist]{nameyeardelim}{\iffieldequalstr{userd}{chinese}{\gbpunctcomma}{\gbpunctcommalanen}}%\addcomma\addspace
\DeclareDelimFormat{bibpagespunct}{\iffieldequalstr{userd}{chinese}{}{\unspace\gbpunctcommalanen}}%\addcomma\addspace\mbox{}
\renewcommand*{\newunitpunct}{\iffieldequalstr{userd}{chinese}{\gbpunctcomma}{\gbpunctcommalanen}}%\addcomma\space %，
\renewcommand*{\finentrypunct}{\iffieldequalstr{userd}{chinese}{\gbpunctdot}{\adddot}}


%==================================================
%调整部分域的输出格式
%==================================================
%
%   修改number和volume的格式
%
\newcounter{numberwithoutzero}
\DeclareFieldFormat[article,periodical]{number}%
    {\iffieldequalstr{userd}{chinese}{%
        \iffieldint{number}{\setcounter{numberwithoutzero}{#1}\printtext{\bibstring{serialcn}\addthinspace\arabic{numberwithoutzero}\addthinspace 期}}%
        {\printtext{\bibstring{serialcn}\addthinspace#1\addthinspace 期}}%
    }%
        {\printtext{(}#1\printtext{)}}}%\kern\z@
\DeclareFieldFormat[article,periodical]{volume}%
    {\iffieldequalstr{userd}{chinese}{}%
    {#1}}% volume of a book

%
%   调整期刊名的格式
%
%   原理方法:因为作者年制年份提到前面，因此涉及到期刊名与后面的卷期的关系。
%   v1.0k,20180425,增加了字体控制命令，hzz
\renewbibmacro*{journal+issuetitle}{\bibpubfont%源来自standard.bbx
  \usebibmacro{journal}%
  %\setunit*{\addspace}%
  %\setunit*{\addcomma\addspace}%修改为增加一个逗号
  \iffieldundef{series}%
    {}%
    {\newunit%
     \printfield{series}%
     \setunit{\addspace}}%
  %\usebibmacro{volume+number+eid}%
  %\setunit{\addspace}%
  \usebibmacro{issue+date}%
  %\setunit{\addcolon\space}%
  %\iffieldundef{volume}{}{\setunit{\addcomma\space}}%
  %换成逗号和空格
  \usebibmacro{issue}%
  \usebibmacro{volume+number+eid}%把卷期放到年份后面
  %\newunit
  }

%   调整期刊卷和期的格式
%
\renewbibmacro*{volume+number+eid}{%源来自standard.bbx
\iffieldequalstr{userd}{chinese}{%\printfield{volume}%
  \iffieldundef{number}{}{\printfield{number}}%区别于顺序编码制
    }
  {\newunit\printfield{volume}%
  %\setunit*{\adddot\space}%
  \printfield{number}%
  \setunit{\addcomma\space}%
  \printfield{eid}}}

%
%   重设title的输出
%
%   20180425，v1.0k，为标题增加字体控制命令，Hu Zhenzhen
%   原理方法:将文献类型标识符输出出去，原输出来自biblatex.def文件
%   利用toggle做标识符是否输出的判断
\renewbibmacro*{title}{%
  \ifboolexpr{%
    test{\iffieldundef{title}}%
    and
    test{\iffieldundef{subtitle}}%
  }%
    {}%
    {\setunit{\iffieldequalstr{userd}{chinese}{\gbpunctcolon}{\gbpunctcolonlanen}}\printtext[title]{\bibtitlefont%增加字体控制命令%增加了标点：
       \printfield[titlecase]{title}%
       \ifboolexpr{test {\iffieldundef{subtitle}}}%这里增加了对子标题的判断，解决不判断多一个点的问题
       {}{\setunit{\subtitlepunct}%
       \printfield[titlecase]{subtitle}}%
       \iffieldundef{titleaddon}{}%判断一下titleaddon，否则直接加可能多一个空格
        {\setunit{\subtitlepunct}\printfield{titleaddon}}%
        \iftoggle{bbx:gbtype}{%
         \iffieldundef{entrysubtype}{\printfield[gbtypeflag]{usera}}%在标题后直接给出文献标识字母，判断一下，是否是报纸和标准
        {\iffieldequalstr{entrysubtype}{standard}{\printfield[gbtypeflags]{usera}}%判断是否为标准
                                         {\iffieldequalstr{entrysubtype}{news}{\printfield[gbtypeflagn]{usera}}% 判断是否为报纸
                                                                      {\printfield[gbtypeflag]{usera}}}% 其它
        }}{}%
     %\iffieldundef{booktitle}{\newunit}{}%当title是析出时，不要标点
     %\newunit
     }%
}}

\DeclareFieldFormat{pages}{\iffieldequalstr{userd}{chinese}{}{#1}}%页码引用格式的修改%去掉前面引导页码的pp.等字符

\setlength{\bibitemindent}{1.5\ccwd} % bibitemindent表示一条文献中第一行相对后面各行的缩进
\setlength{\bibhang}{0pt} % 作者年制中 bibhang 表示的各行起始位置到页
                          % 边的距离,顺序编码制中
                          % bibhang+labelnumberwidth 表示各行起始位置
                          % 到页边的距离