1

// hmi_tree.ysl2

     2

     3

     4

// HMI Tree computed from VARIABLES.CSV in svghmi.py

     5

const "hmitree", "ns:GetHMITree()";

     6

     7

const "_categories" {

     8

    noindex > HMI_PLC_STATUS

     9

    noindex > HMI_CURRENT_PAGE

    10

}

    11

const "categories", "exsl:node-set($_categories)";

    12

    13

// HMI Tree Index

    14

const "_indexed_hmitree" apply "$hmitree", mode="index";

    15

const "indexed_hmitree", "exsl:node-set($_indexed_hmitree)";

    16

    17

emit "preamble:hmi-tree" {

    18

    | var hmi_hash = [«$hmitree/@hash»];

    19

    |

    20

    | var heartbeat_index = «$indexed_hmitree/*[@hmipath = '/HEARTBEAT']/@index»;

    21

    |

    22

    | var hmitree_types = [

    23

    24

    foreach "$indexed_hmitree/*" 

    25

    |     /* «@index» */ "«substring(local-name(), 5)»"`if "position()!=last()" > ,`

    26

    27

    | ];

    28

    |

    29

    | var hmitree_paths = [

    30

    31

    foreach "$indexed_hmitree/*" 

    32

    |     /* «@index» */ "«@hmipath»"`if "position()!=last()" > ,`

    33

    34

    | ];

    35

    |

    36

}

    37

    38

template "*", mode="index" {

    39

    param "index", "0";

    40

    param "parentpath", "''";

    41

    const "content" {

    42

        const "path"

    43

            choose {

    44

                when "count(ancestor::*)=0" > /

    45

                when "count(ancestor::*)=1" > /«@name»

    46

                otherwise > «$parentpath»/«@name»

    47

            }

    48

        choose {

    49

            when "not(local-name() = $categories/noindex)" {

    50

                xsl:copy {

    51

                    attrib "index" > «$index»

    52

                    attrib "hmipath" > «$path»

    53

                    foreach "@*" xsl:copy;

    54

                }

    55

                apply "*[1]", mode="index"{

    56

                     with "index", "$index + 1";

    57

                     with "parentpath" > «$path»

    58

                }

    59

            }

    60

            otherwise {

    61

                apply "*[1]", mode="index"{

    62

                    with "index", "$index";

    63

                    with "parentpath" > «$path»

    64

                }

    65

            }

    66

        }

    67

    }

    68

    69

    copy "$content";

    70

    apply "following-sibling::*[1]", mode="index" {

    71

        with "index", "$index + count(exsl:node-set($content)/*)";

    72

        with "parentpath" > «$parentpath»

    73

    }

    74

}

    75

    76

include parse_labels.ysl2

    77

    78

const "_parsed_widgets" {

    79

    widget type="VarInitPersistent" {

    80

        arg value="0";

    81

        path value="lang";

    82

    }

    83

    apply "$hmi_elements", mode="parselabel";

    84

}

    85

    86

const "parsed_widgets","exsl:node-set($_parsed_widgets)";

    87

    88

def "func:widget" {

    89

    param "id";

    90

    result "$parsed_widgets/widget[@id = $id]";

    91

}

    92

    93

def "func:is_descendant_path" {

    94

    param "descend";

    95

    param "ancest";

    96

    // TODO : use HMI tree to answer more accurately

    97

    result "string-length($ancest) > 0 and starts-with($descend,$ancest)";

    98

}

    99

   100

def "func:same_class_paths" {

   101

    param "a";

   102

    param "b";

   103

    const "class_a", "$indexed_hmitree/*[@hmipath = $a]/@class";

   104

    const "class_b", "$indexed_hmitree/*[@hmipath = $b]/@class";

   105

    result "$class_a and $class_b and $class_a = $class_b";

   106

}

   107

   108

// Debug data

   109

template "*", mode="testtree"{

   110

    param "indent", "''";

   111

    > «$indent» «local-name()» 

   112

    foreach "@*" > «local-name()»="«.»" 

   113

    > \n

   114

    apply "*", mode="testtree" {

   115

        with "indent" value "concat($indent,'>')"

   116

    };

   117

}

   118

   119

emit "debug:hmi-tree" {

   120

    | Raw HMI tree

   121

    apply "$hmitree", mode="testtree";

   122

    |

   123

    | Indexed HMI tree

   124

    apply "$indexed_hmitree", mode="testtree";

   125

    |

   126

    | Parsed Widgets

   127

    copy "_parsed_widgets";

   128

    apply "$parsed_widgets", mode="testtree";

   129

}