gcc html madness

rebuild.sh

#!/bin/bash

set -euxo pipefail

DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
cd "$DIR"

# Treat as c source file: -x c
# Don't output line markers: -P
# Don't search system include path: -nostdinc
# Remove some predefined macros: -undef
my_cpp() {
  cpp -x c -P -nostdinc -finput-charset=utf8 -undef $@
}

# generates a header that undefines all the remaining predefined macros
my_cpp -dM - </dev/null | awk '{ print "#undef",$2; }' > /tmp/wheybags_com_undef.h

generate_page() {
  local path
  path="$(echo $1 | sed 's/^site\/tmp\/pages\///')"

  echo $path

  local parent_dir
  parent_dir="$(dirname "$path")"
  mkdir -p "site/$parent_dir"

  my_cpp -I site/tmp -include /tmp/wheybags_com_undef.h "site/tmp/pages/$path" > "site/$path"
}
export -f generate_page
export -f my_cpp

rm -rf site/* || true
mkdir -p site/tmp
cp -r pages site/tmp/pages
cp -r template site/tmp/template

find site/ -type f -exec sed -i 's/\/\//DOUBLE_SLASH_CPP_FIX/g' {} \;
find site/tmp/pages -type f -exec bash -c 'generate_page "$0"' {} \;
rm -rf site/tmp
find site/ -type f -exec sed -i 's/DOUBLE_SLASH_CPP_FIX/\/\//g' {} \;

cp -r assets site/assets
cp favicon.ico site/favicon.ico