% $Id: authoryear-comp.cbx,v 0.8e 2009/07/04 15:02:31 lehman beta $

\ProvidesFile{authoryear-comp.cbx}
[\abx@cbxid $Id: authoryear-comp.cbx,v 0.8e 2009/07/04 15:02:31 lehman beta $]

\ExecuteBibliographyOptions{labelyear,uniquename,sortcites,autocite=inline}
\newbool{cbx:parens}

\newbibmacro*{cite:init}{%
  \global\boolfalse{cbx:parens}%
  \global\let\cbx@tempa=\empty
  \global\undef\cbx@lasthash
  \global\undef\cbx@lastyear}

\newbibmacro*{cite}{%
  \iffieldundef{shorthand}
    {\ifthenelse{\ifnameundef{labelname}\OR\iffieldundef{year}}
       {\cbx@tempa
        \usebibmacro{cite:label}%
	\setunit{\addspace}%
	\usebibmacro{cite:year+labelyear}%
        \usebibmacro{cite:init}}
       {\iffieldequals{namehash}{\cbx@lasthash}
          {\iffieldequals{year}{\cbx@lastyear}
             {\setunit{\addcomma}%
              \usebibmacro{cite:labelyear}}
             {\setunit{\compcitedelim}%
              \usebibmacro{cite:year+labelyear}%
              \savefield{year}{\cbx@lastyear}}}
          {\cbx@tempa
           \printnames{labelname}%
  	   \setunit{\nameyeardelim}%
           \usebibmacro{cite:year+labelyear}%
           \savefield{namehash}{\cbx@lasthash}%
           \savefield{year}{\cbx@lastyear}}}}
    {\cbx@tempa
     \usebibmacro{cite:shorthand}%
     \usebibmacro{cite:init}}%
  \global\let\cbx@tempa=\multicitedelim}

\newbibmacro*{citeyear}{%
  \iffieldundef{shorthand}
    {\iffieldundef{year}
       {\cbx@tempa
        \usebibmacro{cite:label}%
        \usebibmacro{cite:init}}
       {\iffieldequals{namehash}{\cbx@lasthash}
          {\iffieldequals{year}{\cbx@lastyear}
             {\setunit{\addcomma}%
              \usebibmacro{cite:labelyear}}
             {\setunit{\compcitedelim}%
              \usebibmacro{cite:year+labelyear}%
              \savefield{year}{\cbx@lastyear}}}
          {\cbx@tempa
           \usebibmacro{cite:year+labelyear}%
           \savefield{namehash}{\cbx@lasthash}%
           \savefield{year}{\cbx@lastyear}}}}
    {\cbx@tempa
     \usebibmacro{cite:shorthand}%
     \usebibmacro{cite:init}}%
  \global\let\cbx@tempa=\multicitedelim}

\newbibmacro*{textcite}{%
  \iffieldequals{namehash}{\cbx@lasthash}
    {\iffieldundef{shorthand}
       {\iffieldequals{year}{\cbx@lastyear}
          {\setunit{\addcomma}%
           \usebibmacro{cite:labelyear}}
          {\setunit{\compcitedelim}%
           \usebibmacro{cite:year+labelyear}%
           \savefield{year}{\cbx@lastyear}}}
       {\setunit{\compcitedelim}%
        \usebibmacro{cite:shorthand}%
        \global\undef\cbx@lastyear}}
    {\cbx@tempa
     \ifnameundef{labelname}
       {\iffieldundef{shorthand}
          {\usebibmacro{cite:label}%
	   \setunit{%
	     \global\booltrue{cbx:parens}%
	     \addspace\bibleftparen}%
	   \usebibmacro{cite:year+labelyear}}
          {\usebibmacro{cite:shorthand}}}
       {\printnames{labelname}%
	\setunit{%
	  \global\booltrue{cbx:parens}%
	  \addspace\bibleftparen}%
        \iffieldundef{shorthand}
          {\iffieldundef{year}
             {\usebibmacro{cite:label}}
             {\usebibmacro{cite:year+labelyear}}%
           \savefield{year}{\cbx@lastyear}}
          {\usebibmacro{cite:shorthand}%
           \global\undef\cbx@lastyear}%
        \savefield{namehash}{\cbx@lasthash}}}%
  \gdef\cbx@tempa{%
    \ifbool{cbx:parens}
      {\bibrightparen\global\boolfalse{cbx:parens}}
      {}%
    \multicitedelim}}

\newbibmacro*{cite:shorthand}{%
  \printtext[bibhyperref]{\printfield{shorthand}}}

\newbibmacro*{cite:label}{%
  \iffieldundef{label}
    {\printtext[bibhyperref]{\printfield[citetitle]{labeltitle}}}
    {\printtext[bibhyperref]{\printfield{label}}}}

\newbibmacro*{cite:year}{%
  \printtext[bibhyperref]{\printfield{year}}}

\newbibmacro*{cite:labelyear}{%
  \printtext[bibhyperref]{\printfield{labelyear}}}

\newbibmacro*{cite:year+labelyear}{%
  \iffieldundef{year}
    {}
    {\printtext[bibhyperref]{%
       \printfield{year}%
       \printfield{labelyear}}}}

\DeclareCiteCommand{\cite}
  {\usebibmacro{cite:init}%
   \usebibmacro{prenote}}
  {\usebibmacro{citeindex}%
   \usebibmacro{cite}}
  {}
  {\usebibmacro{postnote}}

\DeclareCiteCommand*{\cite}
  {\usebibmacro{cite:init}%
   \usebibmacro{prenote}}
  {\usebibmacro{citeindex}%
   \usebibmacro{citeyear}}
  {}
  {\usebibmacro{postnote}}

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

\DeclareCiteCommand*{\parencite}[\mkbibparens]
  {\usebibmacro{cite:init}%
   \usebibmacro{prenote}}
  {\usebibmacro{citeindex}%
   \usebibmacro{citeyear}}
  {}
  {\usebibmacro{postnote}}

\DeclareCiteCommand{\footcite}[\mkbibfootnote]
  {\usebibmacro{cite:init}%
   \usebibmacro{prenote}}
  {\usebibmacro{citeindex}%
   \usebibmacro{cite}}
  {}
  {\usebibmacro{postnote}}

\DeclareCiteCommand{\textcite}
  {\usebibmacro{cite:init}%
   \usebibmacro{prenote}}
  {\usebibmacro{citeindex}%
   \usebibmacro{textcite}}
  {}
  {\iffieldundef{postnote}
     {\ifbool{cbx:parens}
        {\bibrightparen}
	{}}
     {\ifbool{cbx:parens}
        {\postnotedelim}
	{\addspace\bibleftparen}%
      \printfield{postnote}\bibrightparen}}

\endinput