generate_xml

#!/bin/bash

# Generates the mapnik xml files and includes from
# their respective templates.

# Variable declarations on the form ${VAR} are substituted with
# the value of the corresponding enviroment variable VAR.


# awk program to substitute environment variables
AWKFILTER='{while(match($0,"[$]{[^}]*}")){var=substr($0,RSTART+2,RLENGTH -3);gsub("[$]{"var"}",ENVIRON[var])}}1'

if [[ -z $TOPOSM_ENV_SET ]]; then
    echo "Error: TopOSM environment not set."
    exit 1
fi

# process includes
for SRC in `ls include/*.templ`; do
    echo "Processing $SRC..."
    DST=`dirname $SRC`/`basename $SRC .templ`
    cat "$SRC" | awk "$AWKFILTER" > "$DST"
done

# process style xml files
for SRC in `ls templates/*.templ`; do
    echo "Processing $SRC..."
    DST=`basename $SRC .templ`
    cat "$SRC" | awk "$AWKFILTER" > "$DST"
done

echo "Done."