git.plutz.net Git - clickslide/blob - autoslide.sh

   1 #!/bin/sh
   2
   3 prev='' next='' idoff=0
   4
   5 "${0%/*}"/cgilite/html-sh.sed | {
   6   line="$(line)"
   7   while :; do
   8     tag="${tag}${line%%>*}"
   9
  10     if [ "$line" = "${line%%>*}" ]; then
  11       # $line did not contain ">" and thus was added to $tag entirely
  12       if ! line="$(line)"; then
  13         printf %s\\n "$tag"
  14         break
  15       fi
  16       tag="${tag}
  17   "
  18     else
  19       # $line is shortened by segment added to $tag
  20       line="${line#*>}"
  21       tag="${tag}>"
  22     fi
  23
  24     case $tag in
  25       *\<slide\ *id=\"?*\"*\>*)
  26         prev="$next"
  27         next="${tag#*<slide }" next="${next#*id=\"}" next="${next%\"*}"
  28         next="autoslide${idoff}"
  29         idoff="$((idoff + 1))"
  30         printf '%s<a class="nextslide" href="#%s">next</a><div class="slide" count="%i" id="%s" %s' \
  31           "${tag%<slide *}" "$next" "$idoff" "$next" "${tag#*<slide }"
  32         tag=''
  33         ;;
  34       *\<slide\ *\>*|*\<slide\>*)
  35         prev="$next"
  36         next="autoslide${idoff}"
  37         idoff="$((idoff + 1))"
  38         printf '%s<a class="nextslide" href="#%s">next</a><div class="slide" count="%i" id="%s" %s' \
  39           "${tag%<slide*}" "$next" "$idoff" "$next" "${tag#*<slide}"
  40         tag=''
  41         ;;
  42       *\</slide\>*)
  43         printf '%s</div><a class="prevslide" href="#%s">previous</a>%s' \
  44           "${tag%</slide>*}" "$prev" "${tag#*</slide>}"
  45         tag=''
  46         ;;
  47       *\<*class=\"uncover\"*\>*)
  48         printf '%s<span></span>' "$tag"
  49         tag=''
  50         ;;
  51       *\<body*\>*)
  52         printf '%s<a href="#" class="toplevel">overview</a>' "$tag"
  53         tag=''
  54         ;;
  55       *\</body*\>*)
  56         printf '<span class="count">%i</span>%s' "$idoff" "$tag"
  57         tag=''
  58         ;;
  59       *\<*\>*)
  60         printf %s "$tag"
  61         tag=''
  62         ;;
  63       *) :
  64         ;;
  65     esac
  66   done
  67 }