#!/bin/zsh
url="$(egrep -o '(^|&)(i=).+(&|$)' <<<"${QUERY_STRING}" |sed -r 's:^&?i=::;s:&.*::;s:\+: :g;s:%:\\x:g')"
url="$(echo -e "${url}" |sed 's:\t: :g;s:\r::g;s:\\:\\\\:g' |head -n1)"
rev="$(egrep -o '(^|&)(r=)[0-9]+(&|$)' <<<"${QUERY_STRING}" |tr -d 'r=&')"

baseuri=$(egrep '^repo=.*$' project.meta |cut -d= -f2-)
lastrev=$(svn info "$baseuri" |egrep '^Revision:' |cut -d\  -f2)
[ -z "$rev" ] && rev="$lastrev"

cat <<SVNEND
  <div id="LEFT">
    <h1>Path:</h1>
    <a href='?p=Subversion&amp;i=/&amp;r=$rev'>[root]</a> 
SVNEND
tmp=$url
until [ -z "$tmp" -o "$tmp" = // ]; do
  echo "<a href='?p=Subversion&amp;i=$tmp&amp;r=$rev'>/$(basename "$tmp")</a> "
  tmp=$(dirname "$tmp")/
done |tac
echo '<hr><h1>Revisions:</h1>'
for i in {1.."$lastrev"}; do
  echo "<a href='?p=Subversion&amp;i=$url&amp;r=$i'>$i</a>"
done

cat <<SVNEND
  </div>

  <div id="RIGHT">
    <h1>Changelog:</h1><hr>
    $(svn log $(egrep -q '^(.*/|)$' <<<"$url" && echo '') "${baseuri}/${url}" |\
sed -rn '2,${s:^-+$:</div>:g;
s:^r([0-9]+) \| ([a-zA-Z0-9]+) \| ([0-9: -]+) .+$:<div class="changelog"><h2>Revision \1 by \2<br>at \3</h2>:g;p}')
  </div>

  <div id="MAIN">
  <div class='wikitext'><h1>$(basename "$url"), Revision "$rev":</h1>
SVNEND
if (egrep -q '^(.*/|)$' <<<"$url"); then
  svn ls -r "$rev" "${baseuri}/${url}" |sed -r "s:^.*$:<a href='?p=Subversion\&amp;i=$url/&\&amp;r=$rev'>&</a><br>:g"
  echo '</div>'
else
  lang=$(source-highlight --lang-list |cut -d\  -f1 |grep -x "$(sed 's:.*\.::g' <<<"$url")" || echo sh)
  grep -q '\.' <<<"$url" || lang=txt
  svn cat -r "$rev" "${baseuri}/${url}" |source-highlight -s "$lang" #|sed 's:<:\&lt;:g;s:>:\&gt;:g;'
fi
cat <<SVNEND
  </div></div>
SVNEND