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%%
%% This is file `inversepath.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% inversepath.dtx (with options: `package')
%%
%% _______________________________________
%% Copyright (C) 2007-2008 Will Robertson
%%
%% License information appended.
%%
%%
\ProvidesPackage{inversepath}
[2008/07/31 v0.2 Inverse relative paths]
\newcommand\inversepath{%
\@ifstar{\inversepath@star}{\inversepath@nostar}}
\newcommand\inversepath@star[1]{%
\let\ip@origjobpath\ip@jobpath
\let\ip@directpath\@empty
\let\ip@inversepath\@empty
\ip@strippath#1/\@nil/%
\let\ip@jobpath\ip@origjobpath}
\newcommand\inversepath@nostar[1]{%
\inversepath@star{#1}%
\let\ip@jobpath\ip@origjobpath}
\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) 2007-2008 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'.
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