#!/bin/sh

# man2ps, (c) 2004,2005 Toni Corvera, published under a BSD license
#
#  Saves a man page as either a PostScript (PS) or as a PDF file.
#
#  This file can be used directly as a script or as a function including it
#  from some file parsed on login, such as .bashrc

# Current version
VER=0.9.2
# Command name for information messages
CMD=man2ps

# --- Simple localization support ---
	# Language codes
_EN=0
_ES=1
_CA=2
	# Translated strings
_STR_USAGE=( "Usage: ${CMD} [-p|--pdf] [-h|--help] command"
             "Uso: ${CMD} [-p|--pdf] [-h|--help] comando"
             "Ús: ${CMD} [-p|--pdf] [-h|--help] comanda" )
_STR_HELP=( "${CMD} v${VER}, (c) 2004,2005 Toni Corvera
  saves a man page as a PostScript or PDF file"
 "${CMD} v${VER}, (c) 2004,2005 Toni Corvera
  guarda una página de manual como archivo PostScript o PDF"
 "${CMD} v${VER}, (c) 2004,2005 Toni Corvera
  guarda una pŕgina de manual com un arxiu PostScript o PDF" )
_STR_NOPDF=( "ps2pdf wasn't found, can't export to PDF"
             "No se ha encontrado ps2pdf, no se puede exportar a PDF"
             "No s'ha trobat ps2pdf, no es pot exportar a PDF" )
_STR_PDFVER=( "Using ps2pdf version:"
              "Usando ps2pdf en su variante:"
              "Fent servir ps2pdf en sa versió:" )

	# Language detection
case "$LANG" in
	es*) _L=$_ES ;;
	ca*) _L=$_CA ;;
	*) _L=$_EN ;;
esac

# The function with the core of the functionality, will take
#  a command and two possible options:
#     -p / --pdf to export as PDF (by default will export as PS)
#     -h / --help to print a short help message
man2ps() {
	PDF=0
	
	# Rudimentary command line parsing
	while [ "$1" ];
	do
		case "$1" in
		-h|--help)
			echo "${_STR_HELP[${_L}]}"
			echo "${_STR_USAGE[${_L}]}"
			return 0
		;;
		--pdf|-p) PDF=1 ;;
		*) break ;;
		esac
		shift
	done

	if [ -z "$1" ];
	then
		echo "${_STR_USAGE[${_L}]}" >&2
		return 1
	fi
	
	if [ $PDF -eq 0 ];
	then
		man -t "$1" > "${1}.ps"
	else
		for prog in ps2pdf14 ps2pdf13 ps2pdf12 ps2pdf
		do
			ps2pdf=`which $prog` && break
		done

		if [ -z "$ps2pdf" ];
		then
			echo "${_STR_NOPDF[${_L}]}" >&2
			return 2
		fi

		echo "${_STR_PDFVER[${_L}]} `basename \"${ps2pdf}\"`" >&2
		man -t "$1" | ${ps2pdf} - > "${1}.pdf"
	fi
}

# Alias function in cases where the file is sourced. When the file
#  is used as a script a symbolic link should be created to have the same
#  effect
if [ "$PS1" ];
then
	man2pdf() {
		man2ps --pdf $*
	}
else
# If used as a script call the function
	if [ "`basename \"$0\"`" == "man2pdf" ];
	then
		man2ps --pdf $*
	else
		man2ps $*
	fi
fi