OPC-UA: only support the encryption policy selected in config.
By default open62541 client accepts all supported policies, but in makes problem
when negociating with some servers while most clients seems to only support
one policy at a time.
// hmi_tree.ysl2
// Location identifies uniquely SVGHMI instance
param "instance_name";
// HMI Tree computed from VARIABLES.CSV in svghmi.py
const "hmitree", "ns:GetHMITree()";
const "_categories" {
noindex > HMI_PLC_STATUS
noindex > HMI_CURRENT_PAGE
}
const "categories", "exsl:node-set($_categories)";
// HMI Tree Index
const "_indexed_hmitree" apply "$hmitree", mode="index";
const "indexed_hmitree", "exsl:node-set($_indexed_hmitree)";
emit "preamble:hmi-tree" {
| var hmi_hash = [«$hmitree/@hash»];
|
| var heartbeat_index = «$indexed_hmitree/*[@hmipath = '/HEARTBEAT']/@index»;
|
| var current_page_var_index = «$indexed_hmitree/*[@hmipath = concat('/CURRENT_PAGE_', $instance_name)]/@index»;
|
| var hmitree_types = [
foreach "$indexed_hmitree/*"
| "«substring(local-name(), 5)»"`if "position()!=last()" > ,`
| ];
|
| var hmitree_paths = [
foreach "$indexed_hmitree/*"
| "«@hmipath»"`if "position()!=last()" > ,`
| ];
|
| var hmitree_nodes = {
foreach "$indexed_hmitree/*[local-name() = 'HMI_NODE']"
| "«@hmipath»" : [«@index», "«@class»"]`if "position()!=last()" > ,`
| };
|
}
template "*", mode="index" {
param "index", "0";
param "parentpath", "''";
const "content" {
const "path"
choose {
when "count(ancestor::*)=0" > /
when "count(ancestor::*)=1" > /«@name»
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" > «$parentpath»
}
}
include parse_labels.ysl2
const "_parsed_widgets" {
widget type="VarInitPersistent" {
arg value="0";
path value="lang";
}
apply "$hmi_elements", mode="parselabel";
}
const "parsed_widgets","exsl:node-set($_parsed_widgets)";
def "func:widget" {
param "id";
result "$parsed_widgets/widget[@id = $id]";
}
def "func:is_descendant_path" {
param "descend";
param "ancest";
// TODO : use HMI tree to answer more accurately
result "string-length($ancest) > 0 and starts-with($descend,$ancest)";
}
def "func:same_class_paths" {
param "a";
param "b";
const "class_a", "$indexed_hmitree/*[@hmipath = $a]/@class";
const "class_b", "$indexed_hmitree/*[@hmipath = $b]/@class";
result "$class_a and $class_b and $class_a = $class_b";
}
// Debug data
template "*", mode="testtree"{
param "indent", "''";
> «$indent» «local-name()»
foreach "@*" > «local-name()»="«.»"
> \n
if "text()" > «text()»\n
apply "*", mode="testtree" {
with "indent" value "concat($indent,'>')"
};
}
emit "debug:hmi-tree" {
| Raw HMI tree
apply "$hmitree", mode="testtree";
|
| Indexed HMI tree
apply "$indexed_hmitree", mode="testtree";
|
| Parsed Widgets
copy "_parsed_widgets";
apply "$parsed_widgets", mode="testtree";
}