/+junk/build-libffmpeg-for-chromium

#/usr/bin/env bash

FALSE=0

TRUE=1

_IGNORE_PANDOC_CROSSREF=${FALSE}

_FOUND_PANDOC=${FALSE}

_FOUND_PANDOC_CROSSREF=${FALSE}

_FOUND_XDG=${FALSE}

_PDF_NAME=libffmpeg_from_source

_MD_NAME=document

___help___ () {

  echo ""

  echo "    Build script for the document."

  echo ""

  echo "--ignore-pandoc-crossref      Does not check if pandoc-crossref is"

  echo "                              installed. May create errors in PDF file."

}

___parse_args___ () {

  while [[ $# -gt 0 ]]

  do

    case "${1}" in

      --ignore-pandoc-crossref)

      _IGNORE_PANDOC_CROSSREF=${TRUE}

      ;;

      -h|--help)

      ___help___

      shift

      ;;

      *)

      ___help___

      exit

      shift

      ;;

      --)

      shift

      break

      ;;

    esac

  done

}

___test_pandoc___ () {

  which pandoc > /dev/null

  if [[ $? -eq 0 ]]

  then

    _FOUND_PANDOC=${TRUE}

  fi

}

___test_pandoc_crossref___ () {

  which pandoc-crossref > /dev/null

  if [[ $? -eq 0 ]]

  then

    _FOUND_PANDOC_CROSSREF=${TRUE}

  fi

}

___test_xdg___ () {

  which xdg-run > /dev/null

  if [[ $? -eq 0 ]]

  then

    _FOUND_XDG=${TRUE}

  fi

}

___main___ () {

  ___parse_args___ "${@}"

  ___test_pandoc___

  if [[ ${_IGNORE_PANDOC_CROSSREF} -ne ${TRUE} ]]

  then

    ___test_pandoc_crossref___

  fi

  if [[ ${_FOUND_PANDOC} -ne ${TRUE} ]]

  then

    echo

    echo -e "\e[31m     pandoc not found!\e[0m"

    echo ""

    echo "  Please install pandoc to build the PDF."

    echo ""

    exit 127

  fi

  if [[ ${_FOUND_PANDOC_CROSSREF} -ne ${TRUE} ]]

  then

    echo ""

    echo -e "\e[31m    pandoc-crossref not found!\e[0m"

    echo ""

    echo "  To build properly you will need pandoc-crossref,"

    echo "this may not not be installed by default. Please refer to"

    echo "https://github.com/lierdakil/pandoc-crossref"

    echo "for information on how to build and (add to \$PATH)."

    echo ""

    echo "  If you want to build anyway, provide the"

    echo "--ignore-pandoc-crossref flag to the script."

    echo "This will produce errors."

    exit 127

  fi

  pandoc -s -F pandoc-crossref\

         --from markdown --to latex\

         --reference-links\

         ${_MD_NAME}.md\

         -o ${_PDF_NAME}_pre.tex

  cat ${_PDF_NAME}_pre.tex | ./tex_table_verts.py > ${_PDF_NAME}_post.tex

  # We need to run this twice to make sure that LaTeX knows the size of things.

  xelatex ${_PDF_NAME}_post.tex

  xelatex ${_PDF_NAME}_post.tex

  mv ${_PDF_NAME}_post.pdf ${_PDF_NAME}.pdf

  rm *.tex *.toc *.aux *.log

  ___test_xdg___

  if [[ ${_FOUND_PANDOC} -eq ${TRUE} ]]

  then

    xdg-open ${_PDF_NAME}.pdf

  fi

}

___main___