%%
%% This is file `aipxfm.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% aipxfm.dtx  (with options: `package')
%% 
%% Package aipxfm to use with LaTeX2e
%% (C) 2000 David Carlisle, Frank Mittelbach
%% All rights reserved.
%% 
%% This package is currently distributed without documentation.
%% It is a sort of temporary version on the way towards a general xfm
%% package for LaTeX.
%% 
%% $Id: aipxfm.dtx,v 1.7 2001/12/22 14:01:41 frank Exp $

\RequirePackage{keyval,calc}
\newcount\xfm@authors
\renewcommand*\title{\@dblarg\@xtitle}
\def\@xtitle[#1]#2{
  \def\@shorttitle{#1}
  \def\@title{#2}
}
\newcommand*\subtitle[1]{
  \def\@subtitle{#1}
}
\renewcommand\author[2]{
  \advance\xfm@authors\@ne
  \xfm@def{author}{#1}
  \xfm@use\let{altaddressnum}\@empty
  \xfm@use\let{thanks}\@empty
  \setkeys{xfm}{#2}}
\def\xfm@def#1#2{
  \expandafter\def\csname#1-\the\xfm@authors\endcsname{#2}}
\def\xfm@use#1#2{
  \expandafter#1\csname#2-\the\xfm@authors\endcsname}
\def\XFMthe#1{
  \csname#1-\the\xfm@authors\endcsname}
\define@key{xfm}{address}{
  \def\xfm@address{#1}
  \xfm@address@code\xfm@addresslist
  \xfm@use\edef{addressnum}{\the\count@}
  \let\@elt\relax
}
\def\xfm@address@code#1{
  \let\@elt\xfm@address@check
  \count@\@ne
  \xfm@addresslist\xfm@altaddresslist
  \ifx\@elt\xfm@address@check
    \def\@elt{\noexpand\@elt\noexpand}
    \edef#1{#1\expandafter\@elt
       \csname address-\the\count@\endcsname}
    \expandafter\let\csname address-\the\count@\endcsname\xfm@address
  \fi}
\let\xfm@addresslist\@empty
\let\xfm@altaddresslist\@empty
\def\xfm@address@check#1{
  \ifx\xfm@address#1
    \xfm@use\edef{addressnum}{\the\count@}
    \let\@elt\@gobble
  \else
    \advance\count@\@ne
  \fi
}
\define@key{xfm}{email}{
  \xfm@def{email}{#1}}
\define@key{xfm}{homepage}{
  \xfm@def{homepage}{#1}}
\define@key{xfm}{altaddress}{
  \expandafter\def\expandafter\xfm@address\expandafter{\@secondoftwo#1}
  \xfm@address@code\xfm@altaddresslist
  \toks@\expandafter\expandafter\expandafter
    \expandafter\expandafter\expandafter\expandafter
          {\XFMthe{altaddressnum}}
  \@temptokena\expandafter{\@firstoftwo#1}
 \xfm@use\edef{altaddressnum}{
    \the\toks@\noexpand\@elt{\the\count@}{\the\@temptokena}}
}

\define@key{xfm}{thanks}{
  \toks@\expandafter\expandafter\expandafter
     \expandafter\expandafter\expandafter\expandafter
      {\XFMthe{thanks}\@elt#1}
  \xfm@use\edef{thanks}{\the\toks@}
}

\def\XFMauthorsbyaddress#1{
  \let\XFMaddressmark\relax
  \edef\xfm@author@count{\the\xfm@authors}
  \def\@elt##1{
   \let\xfm@address##1
   #1
}
  \count@\z@
  \xfm@addresslist
  }
\def\XFMaddresses{
  \let\XFMaddressmark\relax
  \par
  \begingroup
   \UseParagraphLayout{XFMaddress}
   \UseBBskip\XFMaddressBBskip
   \edef\xfm@author@count{\the\xfm@authors}
   \let\@elt\xfm@address@elt
   \count@\z@
   \xfm@addresslist
   \par
  \endgroup
  }
\def\xfm@address@elt#1{
  \advance\count@\@ne
  \ifnum\xfm@authors>\@ne      % no mark for a single author
    \begingroup
      \c@xfm\count@
      \XFMaddressmarkformat{
\XFMaddressmarkfont
\XFMaddressmarkstyle{xfm}
      }
    \endgroup
  \fi
  #1\XFMaddressseparator}
\def\XFMauthorsoneaddress{
  \def\xfm@address@test\ifx{
   \expandafter\ifx\csname address-\XFMthe{addressnum}\endcsname\xfm@address}
  \xfm@address@loop}
\def\XFMauthors{
  \edef\xfm@author@count{\the\xfm@authors}
  \def\xfm@address@test\ifx{\iftrue}
  \xfm@address@loop}
\def\xfm@address@loop{
   \par
   \begingroup
   \ifnum\xfm@authors = \@ne % no marks for single author
    \let\XFMaddressmark\relax
   \fi
   \UseParagraphLayout{XFMauthors}
   \UseBBskip\XFMauthorsBBskip
   \xfm@authors\z@
   \let\xfm@last@author\z@
   \count@\z@
   \loop
   \advance\xfm@authors\@ne
   \xfm@address@test\ifx
     \ifnum\count@>\@ne\XFMauthorscommatext\fi
     \ifnum\xfm@last@author>\z@  %FMi
       \xfm@typeset@author
     \fi
     \advance\count@\@ne
     \mathchardef\xfm@last@author\xfm@authors
   \fi
   \ifnum\xfm@author@count>\xfm@authors
   \repeat
   \ifcase\count@
     \or
     \or
       \XFMauthorsandtwotext
     \else
       \XFMauthorsandtext
   \fi
   \xfm@typeset@author
   \par
   \endgroup
}
\def\xfm@typeset@author{
  \begingroup
  \xfm@authors\xfm@last@author
  \XFMauthor
  \endgroup}
\def\XFMauthor{
  \XFMthe{author}
  \XFMaddressmark
  \XFMaltaddressmark
}
\def\XFMaddressmark{
  \begingroup
    \xfm@use\c@xfm{addressnum}\relax
    \XFMauthorsaddressmarkformat{
      \XFMauthorsaddressmarkfont
      \XFMaddressmarkstyle{xfm}
    }
  \endgroup
}
\newcounter{xfm}
\def\XFMaltaddressmark{
  \begingroup
  \endgroup}
\newskip\XFMauthorsBBskip

\def\XFMoneaddress{
  \par
   \UseParagraphLayout{XFMaddress}
   \UseBBskip\XFMaddressBBskip
   \begingroup
   \xfm@address
   \par
   \endgroup}
\newskip\XFMaddressBBskip
\setlength\XFMaddressBBskip{12pt}
\def\XFMemailoneaddress{
  \par
  \begingroup
   \UseParagraphLayout{XFMemailaddress}
   \UseBBskip\XFMemailaddressBBskip
   \xfm@authors\z@
   \let\xfm@last@email\@empty
   \count@\z@
   \loop
   \advance\xfm@authors\@ne
   \expandafter\ifx\csname address-\XFMthe{addressnum}\endcsname\xfm@address
     \ifnum\count@>\@ne\XFMemailcommatext\fi
     \ifx\xfm@last@email\relax\else
       \xfm@last@email
       \advance\count@\@ne
     \fi
     \xfm@use{\let\expandafter\xfm@last@email}{email}
   \fi
   \ifnum\xfm@author@count>\xfm@authors
   \repeat
   \ifcase\count@
     \or
     \or
       \XFMemailandtwotext
     \else
       \XFMemailandtext
   \fi
   \xfm@last@email
   \par
  \endgroup
}
\newlength\XFMemailaddressBBskip



\def\xfm@aftermaketitle#1{
  \ifx\maketitle\relax
    \xfm@err{\protect#1 must be used before \protect\maketitle}
  \fi}
\def\xfm@err#1{\PackageError{xfm}{#1}\@eha}
\let\DesignerError\xfm@err
\def\xfm@warn#1{\PackageWarningNoLine{xfm}{#1}}
\def\abstract{%
  \xfm@aftermaketitle{\begin{abstract}}
  \lrbox\xfm@box\minipage[b]{\XFMabstractwidth}  % <--- b for b/b skips
   \let \footnote \thanks
   \prevdepth\z@
   \UseParagraphLayout{XFMabstracttext}
   \UseBBskip\XFMabstractBBskip
   \begingroup
     \XFMabstractheadingfont
     \noindent
     \XFMabstractheadingformat{\abstractname}
   \endgroup
   \ignorespaces}
\newbox\xfm@box
\let\xfm@abstract@thanks\@empty
\def\endabstract{
  \global\let\xfm@abstract@thanks\@thanks
  \endminipage\endlrbox}
\def\keywords#1{%
  \gdef\xfm@keywords{#1}}
\keywords{}
\def\classification#1{%
  \gdef\xfm@classification{#1}}
\let\pacs\classification
\classification{}
\def\received#1{
  \gdef\xfm@received{#1}}
\def\revised#1{
  \gdef\xfm@revised{#1}}
\def\accepted#1{
  \gdef\xfm@accepted{#1}}
\def\draftdate#1{
  \gdef\xfm@draft{#1}}
\def\maketitle{
  \par
  \begingroup
    \global\let\@thanks\@empty
    \def\thefootnote{\XFMtitleblockmarkstyle{footnote}}
    \def\@makefnmark
        {\rlap{\AIPfootnotemarkerformat{\AIPfootnotemarkerfont\@thefnmark}}}
    \if@twocolumn
      \twocolumn[\@maketitle
                 \vskip\XFMtitleblockpostskip \relax
                ]
    \else
      \@maketitle
    \fi
    \@thanks
    \xfm@abstract@thanks
    \if@twocolumn
    \else
      \vskip\XFMtitleblockpostskip \relax
    \fi
  \endgroup
  \XFMtitleblockpostcode
}
\newlength\XFMabstractwidth
\renewcommand\@maketitle{
  \null
  \let \footnote \thanks
  \XFMtitleblock
}
\newskip\XFMtitleblockpostskip
\newskip\XFMabstractBBskip
\def\XFMabstract{
 \begingroup
  \vskip -\prevdepth
  \offinterlineskip
  \prevdepth\dp\xfm@box
  \moveright\XFMabstractleftindent
    \box\xfm@box % while testing, don't clear box use \copy
 \endgroup
}
\newlength\XFMabstractleftindent
\newskip\XFMtitleBBskip
\def\XFMtitle{
  \begingroup
   \UseParagraphLayout{XFMtitle}
   \UseBBskip\XFMtitleBBskip
   \XFMtitleformat{\ignorespaces\@title \par}
  \endgroup
}
\newskip\XFMsubtitleBBskip
\def\XFMsubtitle{
  \ifx\@subtitle\@empty
  \else
  \begingroup
   \UseParagraphLayout{XFMsubtitle}
   \UseBBskip\XFMsubtitleBBskip
   \XFMsubtitleformat{\ignorespaces\@subtitle \par}
  \endgroup
  \fi
}
\newcommand\XFMsubtitleformat[1] {#1}
\DeclareParagraphLayout{XFMsubtitle}
  {14pt}{16pt}
  {0pt}{\fill}{\fill}{0pt}
  {0pt}
  {\SetInternalRegister\hyphenpenalty{2000}
   \SetInternalRegister\finalhyphendemerits{20000}
   \normalfont
  }
\setlength\XFMsubtitleBBskip      {14pt}

\def\XFMcopyright{
 \par
 \begingroup
   \UseParagraphLayout{XFMcopyrighttext}
   \UseBBskip\XFMcopyrightBBskip
   \noindent
   \XFMcopyrightformat\xfm@copyrightyear\xfm@copyrightholder
   \par
 \endgroup}
\newskip\XFMcopyrightBBskip
\def\copyrightholder#1{\def\xfm@copyrightholder{#1}}
\def\copyrightyear#1{\def\xfm@copyrightyear{#1}}
\copyrightyear{\the\year}
%%%%%%%%%%%%%%%%%%%%
\def\XFMkeywords{
 \ifx\xfm@keywords\@empty
 \else
   \par
   \begingroup
     \UseParagraphLayout{XFMkeywordstext}
     \UseBBskip\XFMkeywordsBBskip
     \begingroup
       \XFMkeywordsheadingfont
       \noindent
       \XFMkeywordsheadingformat{\keywordsname}
     \endgroup
     \xfm@keywords
     \par
   \endgroup
 \fi}
\newskip\XFMkeywordsBBskip
%%%%%%%%%%%%%%%%%%%%
\def\XFMclassification{
 \ifx\xfm@classification\@empty
 \else
   \par
   \begingroup
     \UseParagraphLayout{XFMclassificationtext}
     \UseBBskip\XFMclassificationBBskip
     \begingroup
       \XFMclassificationheadingfont
       \noindent
       \XFMclassificationheadingformat{\classificationname}
     \endgroup
     \xfm@classification
     \par
   \endgroup
 \fi}
\newskip\XFMclassificationBBskip
%%%%%%%%%%%%%%%%%%%%
\def\XFMdates#1{
 \par
 \begingroup
 \UseParagraphLayout{XFMdates}
 \UseBBskip\XFMdatesBBskip
 \let\xfm@tempb\relax
 \@for\xfm@temp:=#1\do{
  \expandafter\ifx\csname xfm@\xfm@temp\endcsname\relax
  \else
   \xfm@tempb
   \let\xfm@tempb\XFMdatesep
   \expandafter\XFMdateheading\expandafter{\xfm@temp}
   \csname xfm@\xfm@temp\endcsname
  \fi}
 \par
 \endgroup}
\newskip\XFMdatesBBskip
\def\XFMdateheading#1{
  \noindent\textbf{Date~\MakeUppercase #1:~}}
\def\XFMdatesep{\hspace{1em}}
\DeclareParagraphLayout{XFMdates}
  {9pt}{10pt}
  {0pt}{\bodytextparindent}{\bodytextparindent}{0pt plus  1fil}
  {0pt}
  {\normalfont}
%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%
\def\XFMdates#1{
 \par
 \begingroup
 \UseParagraphLayout{XFMdatestext}
 \UseBBskip\XFMdatesBBskip
 \let\xfm@tempb\relax
 \@for\xfm@temp:=#1\do{
  \expandafter\ifx\csname xfm@\xfm@temp\endcsname\relax
  \else
   \xfm@tempb
   \let\xfm@tempb\XFMdatesep
   \expandafter\XFMdateheading\expandafter{\xfm@temp}
   \csname xfm@\xfm@temp\endcsname
  \fi}
 \par
 \endgroup}
\MakeSpaceNormal

\endinput
%%
%% End of file `aipxfm.sty'.