svghmi/widget_page.ysl2
author Edouard Tisserant <edouard.tisserant@gmail.com>
Wed, 24 Apr 2024 02:15:33 +0200
changeset 3937 e13543d716b6
parent 3921 9bb17341aebb
permissions -rw-r--r--
C++ runtime: add eRPC server, minimal CLI and Makefile. WIP.
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// widget_page.ysl2
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widget_desc("Page") {
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    longdesc
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    ||
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    Arguments are either:
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    - XXX reference path TODO
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    - name=value: setting variable with literal value.
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    - name=other_name: copy variable content into another
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    Exemples:
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    HMI:Page:notify=1@notify=/PLCVAR
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    HMI:Page:ack=2:notify=1@ack=.local_var@notify=/PLCVAR
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    ||
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    shortdesc > Page 
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}
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widget_defs("Page") {
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    |     assignments: {},
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    |     dispatch: function(value, oldval, varnum) {
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    const "widget", ".";
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    foreach "path" {
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        const "varid","generate-id()";
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        const "varnum","position()-1";
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        if "@assign" foreach "$widget/path[@assign]" if "$varid = generate-id()" {
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    |         if(varnum == «$varnum») this.assignments["«@assign»"] = value;
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        }
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    }
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    |     },
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    |     assign: function() {
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    const "paths","path";
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    foreach "arg[contains(@value,'=')]"{
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        const "name","substring-before(@value,'=')";
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        const "value","substring-after(@value,'=')";
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        const "index" foreach "$paths" if "@assign = $name" value "position()-1";
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        const "isVarName", "regexp:test($value,'^[a-zA-Z_][a-zA-Z0-9_]+$')";
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        choose {
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            when "$isVarName"{
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    |         const «$value» = this.assignments["«$value»"];
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    |         if(«$value» != undefined)
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    |             this.apply_hmi_value(«$index», «$value»);
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            }
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            otherwise {
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    |         this.apply_hmi_value(«$index», «$value»);
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            }
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        }
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    }
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    |     },
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}
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