XSD Offline Download

schema-dl.sh

#!/bin/bash

set -e

command -V xq || (echo "no xq installed - pip install yq" && exit 1)
command -V dos2unix || (echo "no dos2unix installed" && exit 1)

xml=$1

[[ ! -z "$xml" ]] || (echo "No file passed as input" && exit 1)

completed=()

rm -f catalog.cat

function dlSchema() {
    local loc=$1

    if [[ " ${completed[@]}" =~ " ${1}" ]]; then
        echo "Already completed $1"
        return
    fi

    if [[ $loc =~ https?://.* ]]; then
        echo "Downloading $loc"
        curl -sL $loc -O -w %{filename_effective} > .filename
        loc=$(cat .filename)
        dos2unix $loc
        echo "SYSTEM \"$1\" $loc" >> catalog.cat
    else
        [[ -f "$loc" ]] || (echo "$loc not found" && exit 1)
    fi

    completed+=("$1") 

    ns=$(cat $loc | xq '. | keys[0] | split(":")[0]' -r)

    local schemas="$(cat $loc | xq '(."'$ns':schema"."'$ns':import" // []) | if type=="object" then [.] else . end | .[] | ."@schemaLocation"' -r)"
    echo $schemas
    if [[ ! -z "$schemas" ]]; then
        for schema in $(cat $loc | xq '(."'$ns':schema"."'$ns':import" // []) | if type=="object" then [.] else . end | .[] | ."@schemaLocation"' -r)
        do
            # recurse schema
            dlSchema $schema
        done
    fi
}

dlSchema $xml