#!/bin/bash
# Regenerate html files.

set -e

process() {
  vim -c "set number" -c TOhtml -c write -c qall $1

  sed -i 's,<title>\~/mu/,<title>Mu - ,' $1.html
  sed -i 's,\.html</title>,</title>,' $1.html
  sed -i 's/^\* { \(.*\) }/* { font-size: 12pt; \1 }/g' $1.html
  sed -i 's/^body { \(.*\) }/body { font-size: 12pt; \1 }/g' $1.html
  # turn most code grey
  sed -i 's/#eeeeee/#aaaaaa/g' $1.html
  # ..so that we can use white for cross-links (underlining only on hover)
  sed -i '/^body {/ a  a:hover { text-decoration: underline; }' $1.html
  sed -i '/^body {/ a  a { color:#eeeeee; text-decoration: none; }' $1.html
  # line numbers are darker still
  sed -i 's/^\.LineNr .*/.LineNr { color: #444444; }/' $1.html  # line numbers
  # tweak contrast for remaining colors
  sed -i 's/^\.Constant .*/.Constant { color: #00a0a0; }/' $1.html
  sed -i 's/^\.muControl .*/.muControl { color: #c0a020; }/' $1.html
  # real links in comments continue to be the usual blue
  sed -i 's/^\.Comment .*/.Comment { color: #9090ff; }\n.Comment a { color:#0000ee; text-decoration:underline; }/' $1.html
  sed -i 's/^\.Delimiter .*/.Delimiter { color: #800080; }/' $1.html  # not meant to be read; can be lower-contrast
  sed -i 's/^\.PreProc .*/.PreProc { color: #800080; }/' $1.html  # not meant to be read; can be lower-contrast
  sed -i 's/^\.Identifier .*/.Identifier { color: #c0a020; }/' $1.html  # same as muControl
  sed -i 's/^\.Special .*/.Special { color: #c00000; }/' $1.html  # same as traceAbsent..

  # switch unicode characters around in the rendered html
  #   the ones we have in the source files render double-wide in html
  #   the ones we want in the html cause iTerm2 to slow down in alt-tabbing for some reason
  # the following commands give us the best of both worlds
  sed -i -e 's/┈/╌/g' -e 's/┊/╎/g' $1.html

  mv -i $1.html html/`dirname $1`
}

if [ $# -gt 0 ]
then
  for f in $*
  do
    process $f
  done
  exit 0
fi

rm html/*.html html/edit/*.html

for f in *.cc *.mu edit/*.mu
do
  process $f
done

if which ctags >&/dev/null
then
  ( cd linkify; build; )
  ctags -x *.cc  |grep -v "^operator \| member \| variable "  > cpp.tags
  linkify/linkify cpp.tags html/*.cc.html
  rm cpp.tags
  ctags -x [0-9]*.mu  > mu.tags
  linkify/linkify mu.tags html/[0-9]*.mu.html
  for f in [a-zA-Z]*.mu
  do
    ctags -x [0-9]*.mu $f  > mu.tags
    linkify/linkify mu.tags html/$f.html
  done
  rm mu.tags
  ( cd edit
    ctags -x ../[0-9]*.mu *.mu  > mu.tags
    ../linkify/linkify mu.tags ../html/edit/*.mu.html
    rm mu.tags
  )
  ( cd linkify; clean; )
  for f in html/*.html html/edit/*.html
  do
    mv $f.out $f
  done
fi