root/tags/lgt2211/xml/lgt2pdf.sh

#!/bin/bash

## =================================================================
## Logtalk - Object oriented extension to Prolog
## Release 2.21.1
##
## Copyright (c) 1998-2004 Paulo Moura.  All Rights Reserved.
## =================================================================

a4_xsl="$LOGTALKHOME/xml/lgtpdfa4.xsl"
us_xsl="$LOGTALKHOME/xml/lgtpdfus.xsl"

format=a4
# format=us

processor=fop
# processor=xep

directory="."

usage_help()
{
    echo 
    echo "This script converts all Logtalk XML documenting files in the"
    echo "current directory to PDF files"
    echo
    echo "Usage:"
    echo "  $0 -f format -d directory -p processor"
    echo "  $0 -h"
    echo
    echo "Optional arguments:"
    echo "  -f paper format (either a4 or us; default is $format)"
    echo "  -d output directory for the PDF files (default is $directory)"
    echo "  -p XSL-FO processor (either fop or xep; default is $processor)"
    echo "  -h help"
    echo
    exit 1
}

if ! [ $LOGTALKHOME ]
then
    echo "Error! The environment variable LOGTALKHOME must be defined first!"
    exit 1
else

    while getopts "f:d:p:h" Option
    do
        case $Option in
            f) f_arg="$OPTARG";;
            d) d_arg="$OPTARG";;
            p) p_arg="$OPTARG";;
            h) usage_help;;
            *) usage_help;;
        esac
    done

    if [[ "$f_arg" != "" && "$f_arg" != "a4" && "$f_arg" != "us" ]]
    then
        echo "Error! Unsupported output format: $f_arg"
        usage_help
        exit 1
    elif [ "$f_arg" != "" ]
    then
        format=$f_arg
    fi

    if [[ "$d_arg" != "" && ! -d "$d_arg" ]]
    then
        echo "Error! directory does not exists: $d_arg"
        usage_help
        exit 1
    elif [ "$d_arg" != "" ]
    then
        directory=$d_arg
    fi

    if [[ "$p_arg" != "" && "$p_arg" != "fop" && "$p_arg" != "xep" ]]
    then
        echo "Error! Unsupported XSL-FO processor: $p_arg"
        usage_help
        exit 1
    elif [ "$p_arg" != "" ]
    then
        processor=$p_arg
    fi

    if [ "$format" = "a4" ]
    then
        xsl=$a4_xsl
    else
        xsl=$us_xsl
    fi

    cp $LOGTALKHOME/xml/logtalk.dtd .
    cp $LOGTALKHOME/xml/logtalk.xsd .

    echo
    echo "converting XML files to PDF..."

    for file in *.xml; do
        echo "  converting $file"
        name="`expr "$file" : '\(.*\)\.[^./]*$' \| "$file"`"
        eval $processor -q -xml $file -xsl $xsl -pdf $directory/$name.pdf
    done

    echo "conversion done"
    echo

    rm logtalk.dtd
    rm logtalk.xsd

    exit 0

fi