%%
%% This is file `inversepath.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% inversepath.dtx  (with options: `package')
%% 
%%   __________________________________
%%   Copyright (C) 2007  Will Robertson
%% 
%%   License information appended.
%% 
\ProvidesPackage{inversepath}
  [26/04/2007 v0.1 Inverse relative paths]
\newcommand\inversepath[1]{%
  \let\ip@origjobpath\ip@jobpath
  \let\ip@directpath\@empty
  \let\ip@inversepath\@empty
  \ip@strippath#1/\@nil/%
  \let\ip@jobpath\ip@origjobpath
  \ip@inversepath}
\newcommand\absolutepath[1]{\def\ip@jobpath{#1}}
\def\ip@literaldotdot{..}
\def\ip@strippath#1/#2/{%
  \ifx\@nil#2\relax
    \def\ip@lastelement{#1}%
  \else
    \edef\ip@directpath{\ip@directpath#1/}
    \def\@tempa{#1}%
    \ifx\@tempa\ip@literaldotdot
      \unless\ifdefined\ip@jobpath
        \PackageError{inversepath}
          {No absolute path specified}
          {You must declare the file path of the main
           file with \protect\absolutepath{} to be able to
           resolve back-relative paths}%
      \fi
      \let\ip@olddirectpath\ip@directpath
      \let\ip@oldinversepath\ip@inversepath
      \let\ip@directpath\@empty
      \let\ip@inversepath\@empty
      \expandafter\ip@strippath\ip@jobpath\@nil/
      \let\@tempa\ip@lastelement
      \let\ip@jobpath\ip@directpath
      \let\ip@directpath\ip@olddirectpath
      \let\ip@inversepath\ip@oldinversepath
      \ifx\@tempa\@empty
        \PackageError{inversepath}
          {Absolute path too shallow to resolve
            such a deep relative path}
          {You're trying to go back more directories than you have!}
      \fi
      \edef\ip@inversepath{\@tempa/\ip@inversepath}%
    \else
      \edef\ip@inversepath{../\ip@inversepath}%
    \fi
    \def\@tempa{\ip@strippath#2/}%
    \expandafter\@tempa
  \fi}
%% 
%% Copyright (C) 2006 by Will Robertson <wspr81@gmail.com>
%% 
%% Distributable under the LaTeX Project Public License,
%% version 1.3c or higher (your choice). The latest version of
%% this license is at: http://www.latex-project.org/lppl.txt
%% 
%% This work is "maintained" (as per LPPL maintenance status)
%% by Will Robertson.
%% 
%% This work consists of the file  inversepath.dtx
%%           and the derived files inversepath.sty and inversepath.pdf.
%% 
%%
%% End of file `inversepath.sty'.