%%
%% ---------------------------------------------------------------
%% erj.cbx --- A citation style of comprehensive academic journal of humanities and social sciences in china
%% modified from gb7714-2015ay
%% Maintained by huzhenzhen
%% E-mail: hzzmail@163.com
%% Released under the LaTeX Project Public License v1.3c or later
%% ---------------------------------------------------------------
%%
%%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-cajhssay.cbx}[v1.0a a biblatex citation style for ERJ]

%==================================================
%加载gb样式
%==================================================
\RequireCitationStyle{gb7714-2015ay} %


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

\def\gbpunctcommacite{，}%
\def\gbpunctmarkcite{、}%
\def\gbpunctsemicoloncite{；}%
\def\gbpunctparenlcite{（}%
\def\gbpunctparenrcite{）}
\def\gbpunctcoloncite{：}%

\def\exegbpunctencite{%
\def\gbpunctcommacite{\addcomma\addspace}%
\def\gbpunctmarkcite{\addcomma\addspace}%
\def\gbpunctsemicoloncite{\addsemicolon\addspace}%
\def\gbpunctcoloncite{\addcolon\addspace}%
\def\gbpunctparenlcite{(}%
\def\gbpunctparenrcite{)}
}

%==================================================
%选项设置
%==================================================
\ExecuteBibliographyOptions{
    maxcitenames=2,
    mincitenames=1,
    %gbcitepunctcn=true,
}

\DeclareDelimFormat[textcite]{delimandincitecn}{和}%\addcomma\space
\DeclareDelimFormat[parencite,cite]{delimandincitecn}{\gbpunctmarkcite}%\addcomma\space
\DeclareDelimFormat[textcite]{delimandincite}{和}%\addcomma\space
\DeclareDelimFormat[parencite,cite]{delimandincite}{ \& }%\addcomma\space
\DeclareDelimFormat[textcite]{delimandothersincite}{\str@andotherscn}%\addcomma\space
\DeclareDelimFormat[parencitem,cite]{delimandothersincite}{et al\adddot}%\addcomma\space

\DefineBibliographyStrings{english}{
    andincitecn = {\printdelim{delimandincitecn}},
    andincite   = {\printdelim{delimandincite}},
    %andothersincitecn={\str@andotherscn},
    %andothersincite={\printdelim{delimandothersincite}},
}

%==================================================
%引用命令设置，主要用cite和textcite
%包括标点设置
%==================================================
\renewcommand*{\multicitedelim}{\gbpunctsemicoloncite}%\addsemicolon\addspace；
\renewcommand*{\textcitedelim}{%
  \iffinalcitedelim
    {\ifnumgreater{\value{textcitetotal}}{2}
       {}{}%\iftextcitepunct{\finalandsemicolon}{\finalandcomma}
     \addspace\gbpunctmarkcite}%\addspace\bibstring{andincitecn}
    {\iftextcitepunct{\addsemicolon\space}{\addspace\gbpunctmarkcite}}%\addcomma
}

%注意在renewbibmacro*{cite}里面使用了compcitedelim,compextradelim
%但其实在cite命令里面若在sepcode里面指定了multicitedelim，则这两个间隔符有时是多余的
%在这个样式中我们直接将其定义为空了，然后再cite命令中设置了multicitedelim
\renewcommand*{\compcitedelim}{}

\DeclareDelimFormat[textcite]{nameyeardelim}{\addspace}%\addcomma\space
\DeclareDelimFormat[cite,parencite]{nameyeardelim}{\gbpunctcommacite}%
\DeclareDelimFormat[textcite]{andothersdelim}{\addspace}%
\DeclareDelimFormat[cite,parencite]{andothersdelim}{\iffieldequalstr{userf}{chinese}{}{\addspace}}%
\DeclareDelimFormat[cite,parencite,textcite]{bibpagespunct}{\gbpunctcoloncite}%



%标注压缩时，直接用date+extradate代替extradate实现2006a，2006b的效果
%\DeclareDelimFormat*{compcitedelim}{\gbpunctmarkcite}%\addcomma\addspace
%\printfield{extradate}\printlabeldateextra\printfield{labelyear}\printfield{extradate}
\newbibmacro*{cite:extradate}{%
  \iffieldundef{extradate}
    {}
    {\printtext[bibhyperref]{\addspace\printlabeldateextra}}}%


%添加前后空格
\DeclareCiteCommand{\cite}%[\mkbibparens]
  {\usebibmacro{cite:init}%
   \unspace\printtext{\gbpunctparenlcite}\usebibmacro{prenote}%
   \renewbibmacro*{postnote}{%
      \iffieldundef{postnote}%
        {}%
        {\printdelim{bibpagespunct}\thefield{postnote}}}%
   }%\addspace
  {\usebibmacro{citeindex}%
   \usebibmacro{cite}}
  {\multicitedelim}
  {\usebibmacro{postnote}%
  \gbpunctparenrcite}%\addspace


%添加前后空格
\DeclareCiteCommand{\parencite}%[\mkbibparens]
  {\usebibmacro{cite:init}%
   \renewbibmacro*{postnote}{%
      \iffieldundef{postnote}%
        {}%
        {\printdelim{bibpagespunct}\thefield{postnote}}}%
   }%\addspace
  {\usebibmacro{citeindex}%
   \usebibmacro{cite}}
  {\multicitedelim}
  {\usebibmacro{postnote}}%



%重定义citeyear来得到不需要作者时的引用标注标签
\DeclareCiteCommand{\citeyear}%[\mkbibparens]
  {\usebibmacro{cite:init}%
   \unspace\printtext{\gbpunctparenlcite}\usebibmacro{prenote}%
   \renewbibmacro*{postnote}{%
      \iffieldundef{postnote}%
        {}%
        {\printdelim{bibpagespunct}\thefield{postnote}}}%
   }%\addspace
  {\usebibmacro{citeindex}%
   \usebibmacro{cite:labeldate+extradate}}
  {}
  {\usebibmacro{postnote}%
  \gbpunctparenrcite}%\addspace

%原版
%\DeclareCiteCommand{\cite}[\mkbibparens]
%  {\usebibmacro{cite:init}%
%   \usebibmacro{prenote}}%)
%  {\usebibmacro{citeindex}%
%   \usebibmacro{cite}}
%  {}
%  {\usebibmacro{postnote}}

%
%添加后面空格
%\DeclareCiteCommand{\cbx@textcite}
%  {\usebibmacro{cite:init}}
%  {\usebibmacro{citeindex}%
%   \usebibmacro{textcite}}
%  {}
%  {\usebibmacro{textcite:postnote}\addspace}


%修改注释后的标点
\renewcommand{\bibfootnotewrapper}[1]{%
  #1}%\bibsentence

%避免去除前面的空白
\renewrobustcmd{\blx@mkbibfootnote}[2]{%
  \iftoggle{blx@footnote}
    {\blx@warning{Nested notes}%
     \addspace\mkbibparens{#2}}
    {%\unspace
     \ifnum\blx@notetype=\tw@
       \expandafter\@firstoftwo
     \else
       \expandafter\@secondoftwo
     \fi
       {\csuse{blx@theendnote#1}{\protecting{\blxmkbibnote{end}{#2}}}}
       {\csuse{footnote#1}{\protecting{\blxmkbibnote{foot}{#2}}}}}}

%修改脚注注释的实现
\def\execgbfootbib%
    {%
    %开启引用跟踪计数器，为使用\ifciteseen等测试命令
    \ExecuteBibliographyOptions{citetracker=true}

    %
    %重定义\footfullcite使完成css的脚注文献要求
    \DeclareCiteCommand{\footfullcite}[\mkbibfootnote]%
      {\defcounter{maxnames}{\blx@maxcitenames}%局部定义maxnames和minnames计数器
       \defcounter{minnames}{\blx@mincitenames}%使footfullcite内的作者输出与正文文献表中的一致。
       \usebibmacro{prenote}%
        \renewbibmacro*{postnote}{%
            \iffieldundef{postnote}%
            {}{\setunit{\iffieldequalstr{userd}{chinese}{\unspace\gbpunctcomma}{\addcolon\addspace}}%
            \printfield{postnote}}}%与ay样式不同，由于已修改postnote域格式，直接用printfield
       }%
      {\ifciteseen%
          {\usedriver{\DeclareNameAlias{sortname}{default}}{citeseen:\thefield{entrytype}}}%\nopunct
          {\usedriver{\DeclareNameAlias{sortname}{default}}{\thefield{entrytype}}}%
      }%
      {\multicitedelim}%
      {\usebibmacro{postnote}\usebibmacro{finentry}}%


    \DeclareCiteCommand{\fullcite}
      {\usebibmacro{prenote}%
        \renewbibmacro*{postnote}{%
            \iffieldundef{postnote}%
            {}{\setunit{\iffieldequalstr{userd}{chinese}{\unspace\gbpunctcomma}{\addcolon\addspace}}%
            \printfield{postnote}}}%与ay样式不同，由于已修改postnote域格式，直接用printfield
      }
      {\ifciteseen%
          {\usedriver{\DeclareNameAlias{sortname}{default}}{citeseen:\thefield{entrytype}}}%\nopunct
          {\usedriver{\DeclareNameAlias{sortname}{default}}{\thefield{entrytype}}}%
      }
      {\multicitedelim}
      {\usebibmacro{postnote}\usebibmacro{finentry}}%


      \DeclareCiteCommand{\fullinnercite}
      {\usebibmacro{prenote}%
        \renewbibmacro*{postnote}{%
            \iffieldundef{postnote}%
            {}{\setunit{\iffieldequalstr{userd}{chinese}{\unspace\gbpunctcomma}{\addcolon\addspace}}%
            \printfield{postnote}}}%与ay样式不同，由于已修改postnote域格式，直接用printfield
      }
      {\ifciteseen%
          {\usedriver{\DeclareNameAlias{sortname}{default}}{citeseen:\thefield{entrytype}}}%\nopunct
          {\usedriver{\DeclareNameAlias{sortname}{default}}{\thefield{entrytype}}}%
      }
      {\multicitedelim}
      {\usebibmacro{postnote}\usebibmacro{finentry}}%
    }


%为先秦文献夹注做处理
\DeclareFieldFormat*{citejz}{%
\iffieldequalstr{userd}{chinese}{\gbpunctprl\gbpunctttl#1\gbpunctttr\gbpunctprr}%
{\mkbibemph{#1}}}
\DeclareCiteCommand{\citejz}
  {\boolfalse{citetracker}%
   \boolfalse{pagetracker}%
   \usebibmacro{prenote}}
  {\ifciteindex
     {\indexfield{indextitle}}
     {}%
   \printfield[citejz]{labeltitle}}
  {\multicitedelim}
  {\usebibmacro{postnote}}


\DeclareFieldFormat{citetitle}{%
\iffieldequalstr{userd}{chinese}{\gbpunctttl#1\gbpunctttr}%
{\mkbibemph{#1}}%
}

\DeclareFieldFormat
  [article,inbook,incollection,inproceedings,patent,thesis,unpublished]
  {citetitle}{%
  \iffieldequalstr{userd}{chinese}{\gbpunctttl#1\gbpunctttr}%
  {\mkbibquote{#1\isdot}}%
  }


%为文献输出出版信息
\DeclareCiteCommand{\citepub}
  {\boolfalse{citetracker}%
   \boolfalse{pagetracker}%
   \usebibmacro{prenote}}
  {\ifciteindex
     {\indexfield{indextitle}}
     {}%
    \ifentrytype{online}{\usebibmacro{institution+location+date}}{\usebibmacro{publisher+location+date}}%
   }
  {\multicitedelim}
  {\usebibmacro{postnote}}


\newbibmacro*{textcite}{%
  \iffieldequals{namehash}{\cbx@lasthash}
    {\iffieldundef{shorthand}
       {\ifthenelse{\iffieldequals{labelyear}{\cbx@lastyear}\AND
                    \(\value{multicitecount}=0\OR\iffieldundef{postnote}\)}
          {\setunit{\addcomma}%
           \usebibmacro{cite:extradate}}
          {\setunit{\compcitedelim}%
           \usebibmacro{cite:labeldate+extradate}%
           \savefield{labelyear}{\cbx@lastyear}}}
       {\setunit{\compcitedelim}%
        \usebibmacro{cite:shorthand}%
        \global\undef\cbx@lastyear}}
    {\ifnameundef{labelname}
       {\iffieldundef{shorthand}
          {\usebibmacro{cite:label}%
           \setunit{%
             \global\booltrue{cbx:parens}%
             \printdelim{nonameyeardelim}\unspace\gbpunctparenlcite}%\bibopenparen
           \ifnumequal{\value{citecount}}{1}
             {\usebibmacro{prenote}}
             {}%
           \usebibmacro{cite:labeldate+extradate}}
          {\usebibmacro{cite:shorthand}}}
       {\printnames{labelname}%
        \setunit{%
          \global\booltrue{cbx:parens}%
          \printdelim{nameyeardelim}\unspace\gbpunctparenlcite}%\bibopenparen
        \ifnumequal{\value{citecount}}{1}
          {\usebibmacro{prenote}}
          {}%
        \iffieldundef{shorthand}
          {\iffieldundef{labelyear}
             {\usebibmacro{cite:label}}
             {\usebibmacro{cite:labeldate+extradate}}%
           \savefield{labelyear}{\cbx@lastyear}}
          {\usebibmacro{cite:shorthand}%
           \global\undef\cbx@lastyear}}%
     \stepcounter{textcitecount}%
     \savefield{namehash}{\cbx@lasthash}}%
  \setunit{%
    \ifbool{cbx:parens}
      {\gbpunctparenrcite\global\boolfalse{cbx:parens}}%\bibcloseparen
      {}%
    \textcitedelim}}

\newbibmacro*{textcite:postnote}{%
  \usebibmacro{postnote}%
  \ifthenelse{\value{multicitecount}=\value{multicitetotal}}
    {\setunit{}%
     \printtext{%
       \ifbool{cbx:parens}
         {\gbpunctparenrcite\global\boolfalse{cbx:parens}}%\bibcloseparen
         {}}}
    {\setunit{%
       \ifbool{cbx:parens}
         {\gbpunctparenrcite\global\boolfalse{cbx:parens}}%\bibcloseparen
         {}%
       \textcitedelim}}}

\let\citet=\parencite
\let\citep=\cite
\DeclareMultiCiteCommand{\cites}{\cite}{\multicitedelim}
\DeclareMultiCiteCommand{\parencites}{\parencite}{\multicitedelim}
\let\citets=\parencites