// hmi_tree.ysl2


// HMI Tree computed from VARIABLES.CSV in svghmi.py
const "hmitree", "ns:GetHMITree()";


// HMI Tree Index
const "_indexed_hmitree" apply "$hmitree", mode="index";
const "indexed_hmitree", "exsl:node-set($_indexed_hmitree)";

template "*", mode="index" {
    param "index", "0";
    param "parentpath", "''";
    const "content" {
        const "path"
            choose {
                when "local-name() = 'HMI_ROOT'" > «$parentpath»
                otherwise > «$parentpath»/«@name»
            }
        choose {
            when "not(local-name() = $categories/noindex)" {
                xsl:copy {
                    attrib "index" > «$index»
                    attrib "hmipath" > «$path»
                    foreach "@*" xsl:copy;
                }
                apply "*[1]", mode="index"{
                     with "index", "$index + 1";
                     with "parentpath" > «$path»
                }
            }
            otherwise {
                apply "*[1]", mode="index"{
                    with "index", "$index";
                    with "parentpath" > «$path»
                }
            }
        }
    }

    copy "$content";
    apply "following-sibling::*[1]", mode="index" {
        with "index", "$index + count(exsl:node-set($content)/*)";
        with "parentpath" > «$parentpath»
    }
}

// Debug data
template "*", mode="testtree"{
    param "indent", "''";
    > «$indent» «local-name()» 
    foreach "@*" > «local-name()»="«.»" 
    > \n
    apply "*", mode="testtree" {
        with "indent" value "concat($indent,'>')"
    };
}
function "debug_hmitree" {
    | Raw HMI tree
    apply "$hmitree", mode="testtree";
    |
    | Indexed HMI tree
    apply "$indexed_hmitree", mode="testtree";
}
!debug_output_calls.append("debug_hmitree")