#!/usr/bin/env bash

function parse_yaml() {
    local yaml=$1
    local prefix=$2
    local s='[[:space:]]*'
    local w='[a-zA-Z0-9_]*'
    local fs="$(echo @|tr @ '\034')"
    sed -ne "s|^\($s\)\($w\)$s:$s\"\(.*\)\"$s\$|\1$fs\2$fs\3|p" \
        -e "s|^\($s\)\($w\)$s[:-]$s\(.*\)$s\$|\1$fs\2$fs\3|p" $yaml |
    awk -F"$fs" '{
    indent = length($1)/2;
    vname[indent] = $2;
    for (i in vname) {if (i > indent) {delete vname[i]}}
        if (length($3) > 0) {
            vn=""; for (i=0; i<indent; i++) {vn=(vn)(vname[i])("_")}
            printf("%s%s%s=(\"%s\")\n", "'"$prefix"'",vn, $2, $3);
        }
    }' | sed 's/_=/+=/g'
}

function load_yaml() {
    local yaml=$1
    local prefix=$2
    local parsedYaml=$(mktemp /tmp/bsroot-parse-yaml.XXXXX)
    parse_yaml $yaml $prefix > $parsedYaml
    source $parsedYaml
    rm $parsedYaml
}


#!/usr/bin/env bash

# Stolen from https://gist.github.com/pkuczynski/8665367 shamelessly by Yi.
function parse_yaml() {
    local yaml=$1
    local prefix=$2
    local s='[[:space:]]*'
    local w='[a-zA-Z0-9_]*'
    local fs="$(echo @|tr @ '\034')"
    sed -ne "s|^\($s\)\($w\)$s:$s\"\(.*\)\"$s\$|\1$fs\2$fs\3|p" \
        -e "s|^\($s\)\($w\)$s[:-]$s\(.*\)$s\$|\1$fs\2$fs\3|p" $yaml |
    awk -F"$fs" '{
    indent = length($1)/2;
    vname[indent] = $2;
    for (i in vname) {if (i > indent) {delete vname[i]}}
        if (length($3) > 0) {
            vn=""; for (i=0; i<indent; i++) {vn=(vn)(vname[i])("_")}
            printf("%s%s%s=(\"%s\")\n", "'"$prefix"'",vn, $2, $3);
        }
    }' | sed 's/_=/+=/g'
}

function load_yaml() {
    local yaml=$1
    local prefix=$2
    local parsedYaml=$(mktemp /tmp/bsroot-parse-yaml.XXXXX)
    parse_yaml $yaml $prefix > $parsedYaml
    source $parsedYaml
    rm $parsedYaml
}


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