#!/bin/sh
###############################################################################
# generates a file.menu format for Enlightenment out of a GNOME menu hierarchy#
#
# Copyright (C) 1999 Carsten Haitzler, Geoff Harrison  and various contributors
# 
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# 
# The above copyright notice and this permission notice shall be included in
# all copies of the Software, its documentation and marketing & publicity
# materials, and acknowledgment shall be given in the documentation, materials
# and software packages that this Software was used.
# 
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
# THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
# IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
###############################################################################

# if we dont have enough arguments
if [ $# -lt 3 ]; then
  echo "usage:"
  echo "    "$0" base_name output_dir output_file.menu [gnome_app_base_dir]"
  exit
fi

# setup variables
BASE="$1"
ODIR="$2"
OUT="$3"

CONVERT_CMD="`which convert`"

# NEW
find_app_base_dir() {
  ADIR="`gnome-config --prefix`/share/gnome/apps"
  if [ ! -d "$ADIR" ]; then
    ADIR="/usr/share/gnome/apps"
  else
    return
  fi
  if [ ! -d "$ADIR" ]; then
    ADIR="/usr/share/apps"
  else
    return
  fi
  if [ ! -d "$ADIR" ]; then
    ADIR="/usr/local/share/apps"
  else
    return
  fi
  if [ ! -d "$ADIR" ]; then
    ADIR="/usr/gnome/share/apps"
  else
    return
  fi
  if [ ! -d "$ADIR" ]; then
    ADIR="/usr/local/gnome/share/apps"
  else
    return
  fi
  if [ ! -d "$ADIR" ]; then
    ADIR="/opt/gnome/share/apps"
  else
    return
  fi
  if [ ! -d "$ADIR" ]; then
    ADIR="/opt/gnome/share/gnome/apps"
  else
    return
  fi
  if [ ! -d "$ADIR" ]; then
    ADIR="/usr/X11R6/share/gnome/apps"
  else
    return
  fi
  if [ ! -d "$ADIR" ]; then
    ADIR="/opt/local/share/apps"
  else
    return
  fi
}

find_icon_base_dir() {
  IDIR="`gnome-config --prefix`/share/pixmaps"
  if [ ! -f "${IDIR}/gnome-help.png" ]; then
    IDIR="/usr/share/pixmaps"
  else
    return
  fi
  if [ ! -f "${IDIR}/gnome-help.png" ]; then
    IDIR="/usr/share/gnome/pixmaps"
  else
    return
  fi
  if [ ! -f "${IDIR}/gnome-help.png" ]; then
    IDIR="/usr/local/share/pixmaps"
  else
    return
  fi
  if [ ! -f "${IDIR}/gnome-help.png" ]; then
    IDIR="/usr/gnome/share/pixmaps"
  else
    return
  fi
  if [ ! -f "${IDIR}/gnome-help.png" ]; then
    IDIR="/usr/local/gnome/share/pixmaps"
  else
    return
  fi
  if [ ! -f "${IDIR}/gnome-help.png" ]; then
    IDIR="/opt/gnome/share/pixmaps"
  else
    return
  fi
  if [ ! -f "${IDIR}/gnome-help.png" ]; then
    IDIR="/opt/gnome/share/gnome/pixmaps"
  else
    return
  fi
  if [ ! -f "${IDIR}/gnome-help.png" ]; then
    IDIR="/usr/X11R6/share/gnome/pixmaps"
  else
    return
  fi
  if [ ! -f "${IDIR}/gnome-help.png" ]; then
    IDIR="/opt/local/share/pixmaps"
  else
    return
  fi
}

if [ $# -eq 4 ]; then
  DIR="$4"
else
   find_app_base_dir
   DIR="$ADIR"
fi

# In most cases I believe the icons can be found in the directory that is
# ../../pixmaps from $ADIR.
find_icon_base_dir
GICONDIR="$IDIR"

# if the apps dir doesn't exist in the end then exit
if [ ! -d "$DIR" ]; then
  exit
fi
# if the destination dir doesnt exist - create it
if [ ! -d "$ODIR" ]; then
  mkdir "$ODIR"
fi

# function to check its a GNOME desktop file 
is_desktop() {
  VAL="`grep "\[Desktop Entry\]" $1`"
  if [ -n "$VAL" ]; then
    IS_DESKTOP_RESULT="`awk -F= 'BEGIN { n="" } END { printf("%s", n) } $1 ~ "^Name\\\['$LANG'\\\]" {n=$2;exit} $1 ~ "^Name$" {n=$2}' $1`"
    if [ -n "$IS_DESKTOP_RESULT" ]; then
      return 0
    fi
  fi
  IS_DESKTOP_RESULT=""
  return 1
}

# function to get the sortorder list -if there is one
get_sortorder() {
  if [ -f "${1}/.order" ]; then
    VAL="`awk '{printf("%s ", $1);}' $1"/.order" | sed 's/,/ /g'`"
  else
    VAL=""
  fi
  GET_SORT_ORDER_RESULT="$VAL"
  for I in `/bin/ls "$1"`; do
    IS_IN="n"
    for J in $VAL; do
      if [ "$J" = "$I" ]; then
        IS_IN="y"
	continue 2
      fi
    done
    GET_SORT_ORDER_RESULT="${GET_SORT_ORDER_RESULT}${I} "
  done
  return 0
}

get_icon() {
  VAL2="`awk -F= '$1 ~ "^Icon$" {printf("%s", $2); exit;}' $1`"
  if [ -z "$VAL2" ]; then
    GET_ICON_RETURN=""
    return 1
  fi

  # If we have "convert" and the icon havsn't already been scaled down, scale
  # it down now!

  GET_ICON_RETURNDIR="${ODIR}/gnome_icons"
  if [ ! -d "$GET_ICON_RETURNDIR" ];then
    mkdir "$GET_ICON_RETURNDIR"
  fi

  # The "Icon" entery can contain an absolute path, if it does forget the
  # $GICONDIR
  VAL3="`echo $VAL2 | grep /`"
  if [ "$VAL3" != "$VAL2" ];then
    if [ -n "$VAL2" ]; then
	GICON="$GICONDIR/$VAL2"
	GET_ICON_RETURN="$GET_ICON_RETURNDIR/$VAL2"
    fi
  else
    if [ -n "$VAL3" ]; then
	GICON="$VAL3"
	GET_ICON_RETURN="$GET_ICON_RETURNDIR/`basename "$VAL3"`"
    fi
  fi
  if [ -n "$CONVERT_CMD" -a -n "$GICON" -a -f "$GICON" -a ! \
        -f "$GET_ICON_RETURN" ]; then
    "$CONVERT_CMD" "$GICON" -geometry 16x16 "$GET_ICON_RETURN"
  fi
  
  return 0
}

get_exec() {
  GET_EXEC_RETURN="`awk -F= '$1 ~ "^Exec$" {printf("%s", $2);}' $1`"
  if [ -z "$GET_EXEC_RETURN" ]; then
    GET_EXEC_RETURN=""
    return 1
  fi
  return 0
}

E_TITLE="GNOME Menu"

ORDER=""
# if a .directory file exists - read it
F=$DIR"/.directory"
if [ -f $F ]; then
  is_desktop $F
  NAME="$IS_DESKTOP_RESULT"
  if [ -n "$NAME" ]; then
    E_TITLE="$NAME"
  fi
fi
get_sortorder "$DIR"
ORDER="$GET_SORT_ORDER_RESULT"

# print the menu title
echo \"$E_TITLE\" > $OUT

# for every subdir in the dir list or order - print it
for F in $ORDER; do
  FF="${DIR}/${F}"
  if [ -d "$FF" ]; then
    FFF="${FF}/.directory"
    if [ -f "$FFF" ]; then
      is_desktop "$FFF"
      NAME="$IS_DESKTOP_RESULT"
    else
      NAME="`echo $F | sed 's/_/ /g'`"
    fi
    FFF="${ODIR}/${BASE}"
    if [ ! -d "$FFF" ]; then
      mkdir "$FFF"
    fi
    MFILE="${FFF}/${F}.menu"
    "$0" "${BASE}/${F}" "$ODIR" "$MFILE" "${DIR}/${F}"
    get_icon "${FF}/.directory"
    ICO="$GET_ICON_RETURN"
    echo "\"$NAME\" \"$ICO\" menu \"$MFILE\"" >> $OUT
  else
    if [ -r "$FF" ]; then
      is_desktop $FF
      NAME="$IS_DESKTOP_RESULT"
      if [ -n "$NAME" ]; then
	get_exec "$FF"
	EXE="$GET_EXEC_RETURN"
        get_icon "$FF"
        ICO="$GET_ICON_RETURN"
	echo "\"$NAME\" \"$ICO\" exec \"$EXE\"" >> $OUT
      fi
    fi
  fi
done