autodoc/build/usr/local/lib/autodoc/handle_inotify

#!/bin/bash

# process an inotify event
do_handle() { # $FLAGS $OBJECT
  # extract params
  local flags="$1"
  shift 1
  local dir="$(dirname "$*")"
  local object="$(basename "$*")"

  if [[ "${flags}" =~ "ISDIR" ]]; then
    # object refers to directory
    local dir="${dir}/${object}"
    local object="."
  fi

  # start using toolchain
  logline_append "'${object}': '${flags}' in '${dir}'."
  do_compile "${dir}" "${object}"
  logline_flush
}

# compile an OBJECT using build instructions found in DIRectory
do_compile() { # $DIR $OBJECT $DONE
  # extract params
  local dir="$1"
  local object="$2"
  local done="${3:-0}"

  # build systems
  for build_system in ${g_build_systems[@]}; do
    do_build_system "${dir}" "${object}" "${build_system}" \
    && local done="1"
  done

  # never leave $g_watchroot
  if [ "${dir}" != "${g_watchroot}" ]; then
    # search parent dir for more build instructions
    do_compile "$(dirname "${dir}")" "${object}" "${done}"

  elif [ "${done}" == "0" ]; then
    # hit $g_watchroot
    logline_append "Not a source file."
  fi
}

# use given BUILD_SYSTEM to process an OBJECT from a DIRectory
do_build_system() { # $DIR $OBJECT $BUILD_SYSTEM
  # extract params
  local dir="$1"
  local object="$2"
  local build_system="$3"

  # not done yet
  local result=1

  # get glob pattern for plugin
  for glob in ${g_build_systems_glob[${build_system}]}; do
    # match glob in directory
    for file in "${dir}"/${glob}; do
      # check file readability
      if [ -r "${file}" ]; then
        # actually call into build system
        logline_append "Found '${file}':"
        do_${build_system} "${dir}" "${object}" "$(basename "${file}")" \
        && local result=0
      fi
    done
  done

  return ${result}
}