edouard@3221: // parse_labels.ysl2
Edouard@2790: 
Edouard@2843: 
Edouard@2882: //  Parses:
Edouard@3408: //  "HMI:WidgetType|freq:param1:param2@path1,path1min,path1max@path2"
Edouard@2882: //
Edouard@2882: //  Into:
Edouard@2893: //  widget type="WidgetType" id="blah456" {
Edouard@2882: //      arg value="param1";
Edouard@2882: //      arg value="param2";
edouard@3097: //      path value=".path1" index=".path1" min="path1min" max="path1max" type="PAGE_LOCAL";
Edouard@3060: //      path value="/path1" index="348" type="HMI_INT";
Edouard@3060: //      path value="path4" index="path4" type="HMI_LOCAL";
Edouard@2882: //  }
Edouard@2882: //
edouard@3236: const "pathregex",!"'^([^\[,]+)(\[[^\]]+\])?([\d,]*)$'"!;
edouard@3236: 
Edouard@3469: template "*", mode="parselabel"
edouard@3236: {
edouard@2886:     const "label","@inkscape:label";
edouard@3097:     const "id","@id";
edouard@3259: 
Edouard@2877:     const "description", "substring-after($label,'HMI:')";
Edouard@2877: 
Edouard@2877:     const "_args", "substring-before($description,'@')";
Edouard@2877:     const "args" choose {
Edouard@2877:         when "$_args" value "$_args";
Edouard@2877:         otherwise value "$description";
Edouard@2877:     }
Edouard@2877: 
Edouard@3408:     const "_typefreq", "substring-before($args,':')";
Edouard@3408:     const "typefreq" choose {
Edouard@3408:         when "$_typefreq" value "$_typefreq";
Edouard@2877:         otherwise value "$args";
Edouard@2877:     }
Edouard@2877: 
edouard@3412:     const "freq", "substring-after($typefreq,'|')";
Edouard@3408: 
Edouard@3408:     const "_type", "substring-before($typefreq,'|')";
Edouard@3408:     const "type" choose {
Edouard@3408:         when "$_type" value "$_type";
Edouard@3408:         otherwise value "$typefreq";
Edouard@3408:     }
edouard@2886:     if "$type" widget {
edouard@3097:         attrib "id" > «$id»
Edouard@2877:         attrib "type" > «$type»
Edouard@3455:         if "$freq" {
Edouard@3469:             if "not(regexp:test($freq,'^[0-9]*(\.[0-9]+)?[smh]?'))" {
Edouard@3455:                 error > Widget id:«$id» label:«$label» has wrong syntax of frequency forcing «$freq»
Edouard@3455:             }
Edouard@3455:             attrib "freq" > «$freq»
Edouard@3455:         }
Edouard@2877:         foreach "str:split(substring-after($args, ':'), ':')" {
Edouard@2877:             arg {
Edouard@2877:                 attrib "value" > «.»
Edouard@2877:             }
Edouard@2877:         }
Edouard@2877:         const "paths", "substring-after($description,'@')";
Edouard@2877:         foreach "str:split($paths, '@')" {
Edouard@2877:             if "string-length(.) > 0" path {
edouard@3236:                 // 1 : global match
edouard@3236:                 // 2 : /path
edouard@3236:                 // 3 : [accepts]
edouard@3236:                 // 4 : min,max
edouard@3236:                 const "path_match", "regexp:match(.,$pathregex)";
edouard@3236:                 const "pathminmax", "str:split($path_match[4],',')";
edouard@3236:                 const "path", "$path_match[2]";
edouard@3236:                 const "path_accepts", "$path_match[3]";
edouard@3097:                 const "pathminmaxcount", "count($pathminmax)";
edouard@3097:                 attrib "value" > «$path»
edouard@3236:                 if "string-length($path_accepts)"
edouard@3236:                     attrib "accepts" > «$path_accepts»
edouard@3017:                 choose {
edouard@3236:                     when "$pathminmaxcount = 2" {
edouard@3236:                         attrib "min" > «$pathminmax[1]»
edouard@3236:                         attrib "max" > «$pathminmax[2]»
edouard@3097:                     }
edouard@3236:                     when "$pathminmaxcount = 1 or $pathminmaxcount > 2" {
edouard@3097:                         error > Widget id:«$id» label:«$label» has wrong syntax of path section «$pathminmax»
edouard@3097:                     }
edouard@3097:                 }
edouard@3229:                 if "$indexed_hmitree" choose {
edouard@3127:                     when "regexp:test($path,'^\.[a-zA-Z0-9_]+$')" {
edouard@3097:                         attrib "type" > PAGE_LOCAL
edouard@3097:                     }
edouard@3127:                     when "regexp:test($path,'^[a-zA-Z0-9_]+$')" {
edouard@3097:                         attrib "type" > HMI_LOCAL
edouard@3017:                     }
edouard@3017:                     otherwise {
edouard@3097:                         const "item", "$indexed_hmitree/*[@hmipath = $path]";
edouard@3097:                         const "pathtype", "local-name($item)";
edouard@3097:                         if "$pathminmaxcount = 3 and not($pathtype = 'HMI_INT' or $pathtype = 'HMI_REAL')" {
edouard@3097:                             error > Widget id:«$id» label:«$label» path section «$pathminmax» use min and max on non mumeric value
edouard@3097:                         }
edouard@3097:                         if "count($item) = 1" {
edouard@3097:                             attrib "index" > «$item/@index»
edouard@3097:                             attrib "type" > «$pathtype»
edouard@3017:                         }
edouard@3017:                     }
Edouard@2911:                 }
Edouard@2877:             }
Edouard@2877:         }
edouard@3259:         if "svg:desc" desc value "svg:desc/text()";
Edouard@2877:     }
Edouard@2877: }
Edouard@2877: 
edouard@3229: 
edouard@3229: // Templates to generate label back from parsed tree
edouard@3229: template "arg", mode="genlabel" > :«@value»
edouard@3229: 
edouard@3229: template "path", mode="genlabel" {
edouard@3229:     > @«@value»
edouard@3230:     if "string-length(@min)>0 or string-length(@max)>0"  > ,«@min»,«@max»
edouard@3229: }
edouard@3229: 
edouard@3229: template "widget", mode="genlabel" {
edouard@3229:     > HMI:«@type»
edouard@3229:     apply "arg", mode="genlabel";
edouard@3229:     apply "path", mode="genlabel";
edouard@3229: }
edouard@3229: